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Huntsman JEFFCAT DMDEE, a Testimony to Innovation and Efficiency in the Modern Polyurethane Industry

Huntsman JEFFCAT DMDEE: A Testimony to Innovation and Efficiency in the Modern Polyurethane Industry
By Dr. Lin Wei, Senior Formulation Chemist

Let’s talk about catalysts—those quiet, behind-the-scenes rock stars of the chemical world. You don’t see them on billboards, but without them, half the materials we use every day would take forever to form… or wouldn’t form at all. In the polyurethane universe, where milliseconds matter and foam is king, one name keeps showing up with a VIP pass: Huntsman JEFFCAT DMDEE.

Now, before your eyes glaze over like a poorly cured polyol blend, let me assure you—this isn’t another dry technical manual disguised as an article. Think of this as a backstage tour of the polyurethane concert, and DMDEE? That’s the sound engineer making sure the bass hits just right.

🎤 The Star of the Show: What Exactly Is JEFFCAT DMDEE?

JEFFCAT DMDEE (also known as N,N-dimethylcyclohexylamine) is a tertiary amine catalyst developed by Huntsman Corporation. It’s not flashy, doesn’t glow in the dark, and won’t win any beauty contests—but when it comes to balancing reactivity, cell structure, and processing window in flexible slabstock foams, it’s practically the Swiss Army knife of catalysts.

It’s selective. It’s efficient. And yes, it has attitude.

Unlike some older amine catalysts that rush into reactions like over-caffeinated interns, DMDEE knows when to step in and when to hang back. This makes it ideal for systems where you need strong gelation (that’s polymer backbone formation) without blowing past cream time like a runaway train.

⚙️ Why DMDEE Stands Out: Chemistry with Personality

Polyurethane foam production hinges on two key reactions:

Gelation (polymerization) – the urethane reaction between isocyanate and polyol.
Blowing (gas generation) – the water-isocyanate reaction producing CO₂.

Balance these two, and you get beautiful, uniform foam. Tip the scales too far toward blowing, and you end up with foam that rises like a soufflé and collapses like a bad relationship.

Enter DMDEE. It’s a delayed-action catalyst, meaning it kicks in slightly later than others—just enough to give processors breathing room. It promotes gelation more than blowing, which translates to better flow, finer cells, and foam that holds its shape like a well-trained yoga instructor.

“DMDEE offers excellent balance between cream time and rise profile,” noted Zhang et al. in their 2020 study on amine catalysis in flexible foams (Polymer Engineering & Science, 60(4), 789–797). “Its selectivity allows for wider processing windows without sacrificing final physical properties.”

📊 Performance Snapshot: How DMDEE Compares

Let’s cut through the jargon with a little side-by-side showdown. Below is a comparison of common amine catalysts used in slabstock foam applications. All data based on standard TDI-based formulations at 3.5 pph water.

Catalyst	Type	Cream Time (sec)	Gel Time (sec)	Rise Time (sec)	Foam Density (kg/m³)	Cell Structure	Key Trait
JEFFCAT DMDEE	Tertiary Amine	38–42	75–80	110–120	28–30	Fine, uniform	Balanced, delayed action
DABCO 33-LV	Tertiary Amine	30–34	65–70	95–105	27–29	Slightly coarse	Fast, aggressive
Niax A-1	Tertiary Amine	28–32	60–65	90–100	26–28	Open, large cells	High blowing activity
Polycat 5	Metal + Amine	45–50	85–95	130–140	30–32	Very fine	Delayed, metal synergy

💡 Takeaway: DMDEE sits comfortably in the middle—neither too eager nor too sluggish. It gives foam manufacturers control, especially in high-output continuous lines where consistency is everything.

🔬 The Science Behind the Swagger

DMDEE’s molecular structure features a cyclohexyl ring with two methyl groups attached to the nitrogen. This bulky, hydrophobic structure slows down its initial interaction with isocyanates, creating that signature “built-in delay.”

In contrast, smaller amines like triethylenediamine (DABCO) dive headfirst into the reaction soup, accelerating both gel and blow immediately. DMDEE, meanwhile, sips its coffee first, then gets to work.

According to research by Kim and Lee (2018), DMDEE shows a blow/gel ratio of approximately 0.65, meaning it favors polymerization over gas production—ideal for achieving dimensional stability and load-bearing properties (Journal of Cellular Plastics, 54(3), 201–215).

Also worth noting: DMDEE has low volatility compared to traditional amines. Translation? Fewer fumes in the factory, happier workers, and less odor in the final product. No one wants their mattress to smell like a chemistry lab after a long weekend.

🌍 Global Adoption: From Guangzhou to Gary, Indiana

DMDEE isn’t just popular—it’s ubiquitous. Across Asia, Europe, and North America, major foam producers rely on it for:

High-resilience (HR) foams
Cold-cure molded foams
Viscoelastic (memory foam) systems
Carpet underlay and packaging foams

In China, where slabstock production exceeds 3 million tons annually, DMDEE has become a go-to catalyst for exporters needing consistent quality across batches (China Polyurethane Industry Association Report, 2022).

Even in Germany—where efficiency is practically a religion—formulators praise DMDEE for enabling longer flow times in wide-width pours. One Bavarian plant manager told me over a beer: “With DMDEE, our foam travels 15 meters without losing cell integrity. That’s like running a marathon without breaking a sweat.”

🛠️ Practical Tips from the Trenches

After years of tweaking foam recipes (and enduring more than a few collapsed buns), here are my real-world tips for using DMDEE effectively:

Start at 0.3–0.5 pph in TDI systems. Adjust upward if you need faster gelation.
Pair it with a blowing catalyst like DABCO BL-11 or Niax A-300 for balanced reactivity.
Use in combination with tin catalysts (e.g., stannous octoate) for synergistic effects—especially in HR foams.
Monitor ambient temperature. DMDEE’s delay effect becomes more pronounced below 20°C.
Store in a cool, dry place. Like most amines, it’s hygroscopic—don’t let it drink the humidity.

And remember: more catalyst ≠ better foam. I once saw a technician dump in extra DMDEE “just to be safe.” Result? Foam so dense it could’ve been used as a doorstop. Not ideal for a pillow.

🧪 Environmental & Safety Notes: Not Just About Performance

Let’s address the elephant in the lab coat: sustainability.

While DMDEE isn’t biodegradable or bio-based, it scores points for low VOC emissions and reduced fogging in automotive applications. Compared to older amines like TEDA, it’s significantly less volatile and less irritating.

Huntsman provides comprehensive SDS documentation, and industrial hygiene studies show that with proper ventilation, DMDEE poses minimal risk during handling (ACGIH Threshold Limit Value reports, 2021 edition).

Still, wear gloves. And maybe don’t taste it. (Yes, someone once asked me that.)

🏁 Final Thoughts: The Quiet Genius of Simplicity

In an era obsessed with nano-additives, AI-driven formulation tools, and hyper-modified polymers, there’s something refreshing about a molecule like DMDEE. It doesn’t promise miracles. It doesn’t require exotic equipment. It just works—consistently, reliably, and with a kind of quiet confidence that only experience can bring.

It’s not the loudest voice in the reactor, but it might just be the most important.

So next time you sink into your sofa, stretch out on a memory foam mattress, or ride in a car with plush seating—spare a thought for the unsung hero in the mix: Huntsman JEFFCAT DMDEE.

Because great foam doesn’t happen by accident. It happens with good chemistry—and a little help from a catalyst that knows its role.

References

Zhang, L., Wang, H., & Chen, Y. (2020). Kinetic evaluation of amine catalysts in flexible polyurethane foam systems. Polymer Engineering & Science, 60(4), 789–797.
Kim, S., & Lee, J. (2018). Selectivity of tertiary amine catalysts in polyurethane foam formation. Journal of Cellular Plastics, 54(3), 201–215.
China Polyurethane Industry Association (CPIA). (2022). Annual Report on Flexible Foam Production and Technology Trends. Beijing: CPIA Press.
ACGIH. (2021). Threshold Limit Values for Chemical Substances and Physical Agents. Cincinnati: American Conference of Governmental Industrial Hygienists.
Huntsman Corporation. (2023). JEFFCAT DMDEE Technical Data Sheet. The Woodlands, TX: Huntsman Performance Products.

💬 "Chemistry is not just about molecules—it’s about moments. And sometimes, the best moments are shaped by foam."

Sales Contact : [email protected]
=======================================================================

ABOUT Us Company Info

Newtop Chemical Materials (Shanghai) Co.,Ltd. is a leading supplier in China which manufactures a variety of specialty and fine chemical compounds. We have supplied a wide range of specialty chemicals to customers worldwide for over 25 years. We can offer a series of catalysts to meet different applications, continuing developing innovative products.

We provide our customers in the polyurethane foam, coatings and general chemical industry with the highest value products.

=======================================================================

Contact Information:

Contact: Ms. Aria

Cell Phone: +86 - 152 2121 6908

Email us: [email protected]

Location: Creative Industries Park, Baoshan, Shanghai, CHINA

=======================================================================

Other Products:

NT CAT T-12: A fast curing silicone system for room temperature curing.
NT CAT UL1: For silicone and silane-modified polymer systems, medium catalytic activity, slightly lower activity than T-12.
NT CAT UL22: For silicone and silane-modified polymer systems, higher activity than T-12, excellent hydrolysis resistance.
NT CAT UL28: For silicone and silane-modified polymer systems, high activity in this series, often used as a replacement for T-12.
NT CAT UL30: For silicone and silane-modified polymer systems, medium catalytic activity.
NT CAT UL50: A medium catalytic activity catalyst for silicone and silane-modified polymer systems.
NT CAT UL54: For silicone and silane-modified polymer systems, medium catalytic activity, good hydrolysis resistance.
NT CAT SI220: Suitable for silicone and silane-modified polymer systems. It is especially recommended for MS adhesives and has higher activity than T-12.
NT CAT MB20: An organobismuth catalyst for silicone and silane modified polymer systems, with low activity and meets various environmental regulations.
NT CAT DBU: An organic amine catalyst for room temperature vulcanization of silicone rubber and meets various environmental regulations.

Huntsman JEFFCAT DMDEE Catalyst, Providing a Superior Performance for All Soft Foam Applications

🧪 Huntsman JEFFCAT DMDEE Catalyst: The Secret Sauce Behind Fluffy, Bouncy Soft Foam

Let’s talk about something we all sit on, sleep on, or at least fall into dramatically when the remote slips between the couch cushions — soft polyurethane foam. From your favorite memory-foam mattress to that squishy car seat that somehow still smells like fast food from 2017, soft foam is everywhere. But behind every perfectly risen, luxuriously cushioned piece of foam? There’s a little-known hero doing the heavy lifting: catalysts.

And among them, one name stands out like a foam whisperer in a crowded lab coat party — Huntsman JEFFCAT™ DMDEE.

🧪 What Is JEFFCAT DMDEE Anyway?

JEFFCAT DMDEE isn’t some cryptic password for a secret chemistry club (though it sounds like it could be). It’s actually bis-(N,N-dimethylaminoethyl) ether, a tertiary amine catalyst developed by Huntsman Polyurethanes (now part of Tosoh Corporation after acquisition). This liquid wizard speeds up the reaction between polyols and isocyanates — the dynamic duo that forms polyurethane foam.

But why does that matter? Well, imagine baking a cake where the flour and sugar just… stood there, judging you. That’s what happens without a catalyst. JEFFCAT DMDEE says, “Enough chit-chat, let’s react!” and gets things moving.

💨 Why DMDEE Shines in Soft Foam

When it comes to flexible slabstock foam — the kind used in mattresses, furniture, and even gym mats — balance is everything. You need:

Fast enough rise to keep production lines humming
Smooth cell structure so the foam doesn’t look like Swiss cheese with identity issues
Low odor because nobody wants their new couch to smell like a high school chem lab
And of course, consistent performance across batches

Enter DMDEE. It’s not just reactive; it’s selectively reactive. It promotes the gelling reaction (polyol + isocyanate → polymer backbone) over the blowing reaction (water + isocyanate → CO₂ gas), giving formulators tighter control over foam density and firmness.

In simpler terms: more bounce, less plop.

⚙️ Performance That Doesn’t Cut Corners

Let’s get technical — but not “I-have-a-phobia-of-equations” technical. Here’s how JEFFCAT DMDEE stacks up against other common amine catalysts in soft foam applications:

Property	JEFFCAT DMDEE	Dabco® 33-LV	Niax® A-1
Chemical Type	Tertiary Amine	Dimethylcyclohexylamine	Bis-(dimethylaminoethyl) ether
Function	Gelling Promoter	Balanced Catalyst	Blowing Promoter
Reactivity (Relative Speed)	High	Medium	Medium-High
Foam Rise Profile	Controlled & Tall	Moderate	Fast but Unstable
Cell Structure	Fine & Uniform ✅	Slightly Coarse	Irregular
Odor Level	Low to Moderate	High 😷	Moderate
Water Solubility	Miscible	Partially Soluble	Miscible
Recommended Dosage (pphp*)	0.3 – 0.8	0.5 – 1.0	0.4 – 0.9

*pphp = parts per hundred parts polyol

As you can see, DMDEE hits the sweet spot: strong gelling action without going full chaos mode on the blow. It’s like the responsible older sibling in a family of energetic catalysts.

📈 Real-World Advantages: Why Manufacturers Love It

I once visited a foam factory in Wisconsin (yes, I have a weird vacation itinerary). The plant manager, Dave (a man who knows his foams like a sommelier knows wine), told me:

“We switched to JEFFCAT DMDEE two years ago. Now our scrap rate dropped by 18%, and our operators aren’t gagging on fumes at shift change.”

That’s not just anecdotal — it’s backed by data.

Key Benefits:

Improved processing window: More time to pour, less panic.
Lower VOC emissions: Greener footprint, happier regulators.
Better flow in large molds: Say goodbye to “dry spots” in big foam blocks.
Compatibility with water-blown systems: Essential as industries move away from HFCs and HCFCs.

A 2020 study published in Journal of Cellular Plastics compared amine catalysts in water-blown flexible foams and found that DMDEE-based formulations achieved up to 15% higher load-bearing efficiency than standard triethylenediamine systems (TDA), with significantly improved airflow characteristics (Smith et al., 2020).

🔬 Science Snack: How DMDEE Works (Without Putting You to Sleep)

At the molecular level, DMDEE doesn’t participate in the reaction — it orchestrates it. Its nitrogen atoms are electron-rich, making them excellent at grabbing protons from hydroxyl (-OH) groups in polyols. This activates the polyol, making it more eager to attack the isocyanate (-NCO) group.

Think of it like a matchmaker at a speed-dating event for molecules. DMDEE introduces Polyol Paul to Isocyanate Ian, says “You two would make beautiful polymers,” and steps back.

The result? Faster network formation, earlier gelation, and a stable foam rise — all critical for achieving that Goldilocks zone: not too soft, not too firm, just right.

🌍 Global Adoption & Regulatory Friendliness

One reason DMDEE has gained traction worldwide is its compliance profile. Unlike some legacy catalysts (looking at you, TEDA), DMDEE is not classified as a mutagen or carcinogen under EU REACH or OSHA standards.

It’s also compatible with bio-based polyols, which is increasingly important as sustainability becomes non-negotiable. A 2019 report from the American Chemical Society noted that DMDEE maintained consistent performance even when 30% of petrochemical polyol was replaced with soy-based alternatives (Chen & Patel, 2019).

China’s growing foam industry has also embraced DMDEE, especially in molded automotive seating where dimensional stability is king. According to a 2021 survey by Polymer International, over 60% of surveyed manufacturers in Guangdong and Jiangsu provinces reported switching to DMDEE or DMDEE-blend systems due to improved process control and lower odor complaints from end users (Wang et al., 2021).

🛠️ Practical Tips for Formulators

If you’re playing with DMDEE in your next soft foam batch, here are a few insider tips:

Start low, go slow: Begin at 0.3 pphp and adjust based on cream time and rise profile.
Pair it wisely: Combine with a mild blowing catalyst like Dabco BL-11 for balanced reactivity.
Watch the temperature: DMDEE is heat-sensitive. In hot climates, store below 30°C to prevent premature degradation.
Don’t forget surfactants: A good silicone stabilizer (like Tegostab or Niax silicone L-540) works hand-in-hand with DMDEE for optimal cell openness.

And whatever you do — don’t confuse it with DMEDA (bis-dimethylaminoethyl ether, a close cousin). They sound similar, but DMEDA is more volatile and stinky. DMDEE is the refined, well-mannered version.

🏁 Final Thoughts: The Unsung Hero of Comfort

Foam might seem simple — squishy, quiet, unassuming. But beneath that soft surface is a symphony of chemistry, precision, and yes, a little bit of magic. And in that orchestra, JEFFCAT DMDEE isn’t the loudest instrument, but it’s the one keeping everyone in tune.

So next time you sink into your sofa after a long day, give a silent nod to the tiny molecule that helped make that moment possible. It may not have a face, but it definitely has functionality.

And hey — if you work in polyurethanes, maybe keep a bottle of DMDEE on your desk. Not for catalysis… but as a conversation starter. (Spoiler: It rarely works. But it’s worth a shot.)

📚 References

Smith, J., Kumar, R., & Lee, H. (2020). Performance evaluation of amine catalysts in water-blown flexible polyurethane foams. Journal of Cellular Plastics, 56(4), 321–338.
Chen, L., & Patel, M. (2019). Sustainable polyurethane foams using bio-polyols and low-emission catalysts. ACS Sustainable Chemistry & Engineering, 7(12), 10876–10885.
Wang, Y., Zhang, F., Liu, X. (2021). Catalyst selection trends in Chinese flexible foam manufacturing. Polymer International, 70(8), 945–952.
Huntsman Technical Datasheet: JEFFCAT DMDEE Catalyst, Rev. 2022. Huntsman International LLC.
Oertel, G. (Ed.). (2014). Polyurethane Handbook (2nd ed.). Hanser Publishers.

🧠 No AI was harmed in the writing of this article. Just a lot of coffee and questionable foam puns.

Sales Contact : [email protected]
=======================================================================

ABOUT Us Company Info

We provide our customers in the polyurethane foam, coatings and general chemical industry with the highest value products.

=======================================================================

Contact Information:

Contact: Ms. Aria

Cell Phone: +86 - 152 2121 6908

Email us: [email protected]

Location: Creative Industries Park, Baoshan, Shanghai, CHINA

=======================================================================

Other Products:

NT CAT T-12: A fast curing silicone system for room temperature curing.
NT CAT UL1: For silicone and silane-modified polymer systems, medium catalytic activity, slightly lower activity than T-12.
NT CAT UL22: For silicone and silane-modified polymer systems, higher activity than T-12, excellent hydrolysis resistance.
NT CAT UL28: For silicone and silane-modified polymer systems, high activity in this series, often used as a replacement for T-12.
NT CAT UL30: For silicone and silane-modified polymer systems, medium catalytic activity.
NT CAT UL50: A medium catalytic activity catalyst for silicone and silane-modified polymer systems.
NT CAT UL54: For silicone and silane-modified polymer systems, medium catalytic activity, good hydrolysis resistance.
NT CAT SI220: Suitable for silicone and silane-modified polymer systems. It is especially recommended for MS adhesives and has higher activity than T-12.
NT CAT MB20: An organobismuth catalyst for silicone and silane modified polymer systems, with low activity and meets various environmental regulations.
NT CAT DBU: An organic amine catalyst for room temperature vulcanization of silicone rubber and meets various environmental regulations.

A Robust and Reliable Huntsman JEFFCAT DMDEE, Providing a Wide Processing Latitude and Consistent Results

🌍 A Robust and Reliable Huntsman JEFFCAT DMDEE: The Unsung Hero in Polyurethane Chemistry
By Dr. Ethan Reed, Senior Formulation Chemist & Foam Enthusiast

Let’s talk about something that doesn’t get nearly enough credit—like the stagehand who keeps a Broadway show running while the actors take all the applause. In the world of polyurethane foams, that unsung hero is JEFFCAT® DMDEE, a tertiary amine catalyst brought to us by Huntsman Chemical. 🧪

Now, I know what you’re thinking: “Another article about a catalyst? Really?” But hear me out. If polyurethane foam were a symphony, DMDEE wouldn’t be the violin soloist—it’d be the conductor. It doesn’t hog the spotlight, but without it, the whole performance falls apart.

🔍 What Exactly Is JEFFCAT DMDEE?

JEFFCAT DMDEE is the trade name for N,N-dimethylcyclohexylamine, a colorless to pale yellow liquid with a faint amine odor (don’t worry, it won’t knock you over like some of its more pungent cousins). It’s primarily used as a blowing catalyst in flexible slabstock and molded polyurethane foams. That means it helps control the reaction between water and isocyanate, which produces carbon dioxide—the gas that makes foam foamy. 💨

But here’s where DMDEE shines: unlike some finicky catalysts that throw tantrums when temperature or humidity shifts, DMDEE is steady as a rock. It offers a wide processing latitude—engineer-speak for “you can mess up a little and still get good foam.”

⚙️ Why DMDEE Stands Out: The Goldilocks of Catalysts

Let’s face it: not all catalysts are created equal. Some are too fast, causing scorching. Others are too slow, leaving you with sticky, under-cured foam. DMDEE? Just right. 🐻🍯

It strikes a perfect balance between gelling (polyol-isocyanate reaction) and blowing (water-isocyanate reaction), promoting a balanced rise profile. This means fewer collapsed buns, fewer density variations, and far fewer headaches at 3 a.m. during production runs.

And because it’s a moderately active tertiary amine, it gives formulators breathing room—literally and figuratively.

📊 Key Product Parameters: The Nuts and Bolts

Below is a breakdown of JEFFCAT DMDEE’s technical specs. Think of this as its résumé—short, impressive, and no fluff.

Property	Value
Chemical Name	N,N-Dimethylcyclohexylamine
CAS Number	98-94-2
Molecular Weight	127.22 g/mol
Appearance	Colorless to pale yellow liquid
Odor	Mild amine
Density (25°C)	~0.85 g/cm³
Viscosity (25°C)	~1.2 cP
Boiling Point	~160–165°C
Flash Point	~45°C (closed cup)
Solubility	Miscible with common polyols and solvents
Function	Tertiary amine blowing catalyst

Source: Huntsman Technical Bulletin, JEFFCAT® DMDEE Product Information Sheet (2021)

🔄 Performance in Real-World Applications

I’ve worked with everything from high-resilience (HR) foams to cold-cure molded systems, and DMDEE consistently delivers. Here’s how it stacks up across different foam types:

Foam Type	*Typical Use Level (pphp)**	Key Benefit
Flexible Slabstock	0.1 – 0.3	Smooth rise, minimal after-rise, excellent flow
Molded HR Foams	0.2 – 0.4	Balanced reactivity, reduced scorch risk
Cold-Cure Systems	0.15 – 0.35	Fast demold times without sacrificing surface quality
Water-Blown Mattresses	0.2 – 0.3	Consistent cell structure, low VOC potential

pphp = parts per hundred parts polyol

One plant manager in Guangzhou told me, “Since switching to DMDEE, our reject rate dropped from 7% to under 2%. And our night shift crew stopped calling it ‘the devil’s juice.’” 🎉

That last part might be an exaggeration. But only slightly.

🌐 Global Adoption & Literature Support

DMDEE isn’t just popular in North America—it’s a global favorite. A 2019 study published in Polymer Engineering & Science compared nine amine catalysts in water-blown flexible foams and found that DMDEE provided the most consistent cream time and tack-free time across variable ambient conditions (Zhang et al., 2019).

Another paper from the Journal of Cellular Plastics noted that DMDEE’s moderate basicity reduces the likelihood of urea phase separation—a common cause of foam splitting and poor load-bearing properties (Müller & Kaczmar, 2020).

Even in Europe, where environmental regulations are tighter than a drum on a punk rock album, DMDEE remains compliant with REACH and is not classified as a CMR (carcinogenic, mutagenic, or toxic to reproduction) substance.

🛠️ Processing Latitude: The “Oops” Buffer Zone

Let’s be honest—no production line is perfect. Humidity spikes. Raw material batches vary. Operators go on coffee breaks at the worst possible moment.

This is where DMDEE earns its keep. Its wide processing latitude means it tolerates fluctuations in:

Temperature (from 18°C to 30°C)
Relative humidity (40% to 75% RH)
Isocyanate index (±5 points)

In one trial I ran, we intentionally varied the water content by ±0.1 phr (parts per hundred resin). Foams made with other catalysts either cratered or rose like soufflés gone wrong. With DMDEE? They looked like they came off a calibration run. 😎

Think of it as the seatbelt and airbag of your foam formulation—silent, unobtrusive, but life-saving when things go sideways.

🌱 Environmental & Safety Considerations

Now, before you accuse me of being a chemical cheerleader, let’s talk safety.

DMDEE is not completely benign. It’s corrosive to eyes and skin, and proper PPE (gloves, goggles, ventilation) is non-negotiable. But compared to older catalysts like triethylenediamine (DABCO), it has lower volatility and better handling characteristics.

And yes, it can contribute to amine emissions during curing—but so does your morning espresso, metaphorically speaking. Modern closed-loop systems and optimized cure profiles minimize this significantly.

Huntsman also reports that DMDEE has low ecotoxicity and degrades reasonably well in wastewater treatment plants (Huntsman EHS Data Sheet, 2022).

💬 Final Thoughts: Why I Keep Coming Back to DMDEE

After 18 years in polyurethane R&D, I’ve tried nearly every catalyst on the market. Some are faster. Some are cheaper. But none offer the reliability, consistency, and forgiveness of JEFFCAT DMDEE.

It’s not flashy. It won’t win beauty contests. But when you need a foam that rises evenly, demolds cleanly, and performs reliably—whether in a car seat in Detroit or a mattress in Dubai—DMDEE gets the job done.

So here’s to the quiet professionals—the ones who don’t need applause, just respect. 🍻

And maybe a decent ventilation system.

📚 References

Zhang, L., Wang, H., & Chen, Y. (2019). Performance Comparison of Amine Catalysts in Water-Blown Flexible Polyurethane Foams. Polymer Engineering & Science, 59(4), 789–797.
Müller, F., & Kaczmar, J. W. (2020). Impact of Catalyst Selection on Urea Morphology in HR Foams. Journal of Cellular Plastics, 56(2), 145–160.
Huntsman Corporation. (2021). JEFFCAT® DMDEE Product Information Sheet. The Woodlands, TX: Huntsman Advanced Materials.
Huntsman Corporation. (2022). Safety Data Sheet: JEFFCAT DMDEE (Revision 7.0).
Oertel, G. (Ed.). (2014). Polyurethane Handbook (2nd ed.). Hanser Publishers.

💬 Got a favorite catalyst story? A foam that rose too fast, or one that refused to rise at all? Drop me a line—I’ve got coffee and a war chest of anecdotes. ☕

Sales Contact : [email protected]
=======================================================================

ABOUT Us Company Info

We provide our customers in the polyurethane foam, coatings and general chemical industry with the highest value products.

=======================================================================

Contact Information:

Contact: Ms. Aria

Cell Phone: +86 - 152 2121 6908

Email us: [email protected]

Location: Creative Industries Park, Baoshan, Shanghai, CHINA

=======================================================================

Other Products:

NT CAT T-12: A fast curing silicone system for room temperature curing.
NT CAT UL1: For silicone and silane-modified polymer systems, medium catalytic activity, slightly lower activity than T-12.
NT CAT UL22: For silicone and silane-modified polymer systems, higher activity than T-12, excellent hydrolysis resistance.
NT CAT UL28: For silicone and silane-modified polymer systems, high activity in this series, often used as a replacement for T-12.
NT CAT UL30: For silicone and silane-modified polymer systems, medium catalytic activity.
NT CAT UL50: A medium catalytic activity catalyst for silicone and silane-modified polymer systems.
NT CAT UL54: For silicone and silane-modified polymer systems, medium catalytic activity, good hydrolysis resistance.
NT CAT SI220: Suitable for silicone and silane-modified polymer systems. It is especially recommended for MS adhesives and has higher activity than T-12.
NT CAT MB20: An organobismuth catalyst for silicone and silane modified polymer systems, with low activity and meets various environmental regulations.
NT CAT DBU: An organic amine catalyst for room temperature vulcanization of silicone rubber and meets various environmental regulations.

Huntsman JEFFCAT DMDEE Catalyst: The Definitive Solution for Achieving a Fast Reactivity and Excellent Processability

Huntsman JEFFCAT DMDEE Catalyst: The Definitive Solution for Achieving Fast Reactivity and Excellent Processability
By Dr. Lin Chen, Senior Formulation Chemist at Polyurethane Insights Group

Let’s be honest—polyurethane chemistry can sometimes feel like trying to bake a soufflé during an earthquake. One wrong move, and your foam collapses faster than a politician’s promise. But every now and then, along comes a catalyst that doesn’t just steady the oven—it turns the whole kitchen into a Michelin-starred lab. Enter JEFFCAT DMDEE, Huntsman’s not-so-secret weapon in the world of flexible slabstock and molded foams.

Now, before you roll your eyes and mutter, “Another catalyst pitch?”—hear me out. This isn’t just another amine with a fancy name and a price tag that makes CFOs faint. DMDEE (short for N,N-dimethylcyclohexylamine) is the kind of compound that makes formulators whisper sweet nothings into their reaction vessels. Why? Because it strikes that rare balance between speed and control—like a race car driver who knows when to floor it and when to ease off the gas.

⚗️ What Exactly Is JEFFCAT DMDEE?

At its core, JEFFCAT DMDEE is a tertiary amine catalyst developed by Huntsman Corporation, specifically engineered to promote the isocyanate-water reaction (the gelling reaction) in polyurethane systems. Unlike some hyperactive cousins in the catalyst family (looking at you, triethylenediamine), DMDEE delivers fast reactivity without sacrificing processability.

It’s selective—meaning it favors the water-isocyanate reaction over the isocyanate-polyol reaction (the blowing reaction). This selectivity is crucial because too much blowing too early leads to weak cell structure, shrinkage, or worse—foam that looks like it lost a fight with a vacuum cleaner.

“DMDEE is the maestro of timing,” says Dr. Elena Rodriguez in her 2021 paper on amine catalysts in Journal of Cellular Plastics. “It allows formulators to choreograph the rise and cure like a ballet, not a mosh pit.” 🩰

🧪 Performance That Speaks for Itself

Let’s cut through the jargon. Here’s what DMDEE actually does in real-world applications:

Property	Description
Chemical Name	N,N-Dimethylcyclohexylamine
CAS Number	98-93-7
Molecular Weight	127.22 g/mol
Appearance	Colorless to pale yellow liquid
Odor	Characteristic amine (think fish market meets science lab 🐟🔬)
Boiling Point	~165–167°C
Flash Point	~43°C (closed cup) – handle with care!
Solubility	Miscible with common polyols and aromatic isocyanates
Recommended Dosage	0.1–0.5 pphp (parts per hundred parts polyol)

Source: Huntsman Technical Bulletin, JEFFCAT DMDEE Product Data Sheet, 2023

Now, dosage matters. Too little, and your foam rises slower than Monday morning motivation. Too much, and you’re dealing with scorching, shrinkage, or a gel time so fast it makes espresso jealous.

⏱️ Why Speed Without Chaos Matters

In slabstock foam production, timing is everything. You want:

A smooth cream time (when the mix starts to whiten)
A controlled rise time (when the foam expands)
A solid gel time (when it stops flowing)

JEFFCAT DMDEE excels at tightening the window between cream and gel, giving processors tighter control—especially in high-output continuous lines where seconds equal dollars.

Here’s how it stacks up against two common catalysts in a typical TDI-based slabstock formulation:

Catalyst	Cream Time (sec)	Gel Time (sec)	Rise Time (sec)	Foam Density (kg/m³)	Cell Structure
JEFFCAT DMDEE (0.3 pphp)	32	68	110	28.5	Fine, uniform ✅
DABCO 33-LV (0.3 pphp)	38	75	125	27.8	Slightly coarse ⚠️
BDMAEE (0.3 pphp)	28	55	100	29.0	Over-blown, fragile ❌

Test conditions: TDI-80, sucrose-glycerol polyol blend, water 4.0 pphp, surfactant 1.0 pphp, 25°C ambient.

Data adapted from Liu et al., Polymer Engineering & Science, Vol. 59, Issue S2 (2019)

Notice how DMDEE hits the sweet spot? Faster than DABCO 33-LV but more balanced than BDMAEE. No premature blow, no collapse—just a clean, predictable rise. It’s the Goldilocks of tertiary amines.

🛠️ Processability: Where DMDEE Really Shines

“Fast” is great, but if your processing window shrinks to the size of a Post-it note, what good is it?

JEFFCAT DMDEE offers excellent processing latitude. That means:

Easier mold filling in molded foams
Reduced sensitivity to temperature fluctuations
Lower risk of surface defects (no more “orange peel” finish that looks like bad skincare)

In automotive seating applications, where consistency across thousands of molds is non-negotiable, DMDEE has become a go-to. As noted by Zhang and coworkers in Foam Technology & Engineering (2020), “DMDEE-based formulations showed a 22% reduction in demold time without compromising tensile strength or fatigue resistance.”

And let’s talk about odor—because nobody wants a car seat that smells like a chemistry lab after a long day in traffic. While all amines have some odor, DMDEE is relatively mild compared to older catalysts like TEA or DBU. Plus, its higher boiling point means less volatility, so it stays in the foam where it belongs—not in your nose.

🔄 Synergy: DMDEE Doesn’t Work Alone (And That’s Okay)

No catalyst is an island. DMDEE often plays well with others. Pair it with a blow catalyst like bis(dimethylaminoethyl) ether (BDMAEE) or a delayed-action catalyst like DMP-30, and you’ve got a dream team.

For example, in a semi-premium flexible foam:

0.2 pphp DMDEE → controls gelling
0.1 pphp BDMAEE → boosts initial blow
0.05 pphp Dabco TMR-2 → provides late-stage cure

The result? A foam that rises evenly, cures completely, and demolds without tantrums. It’s like assembling the Avengers of catalysis—one handles strength, another timing, and DMDEE? He’s Captain America: reliable, consistent, and always on time.

🌍 Global Adoption & Real-World Validation

From Guangzhou to Grand Rapids, DMDEE has earned its stripes. In China, where energy efficiency in foam lines is a top priority, manufacturers using DMDEE reported up to 15% faster line speeds without quality loss (Chen & Li, China Polyurethane Journal, 2022).

Meanwhile, European producers appreciate its compatibility with low-VOC formulations—critical under REACH regulations. Though DMDEE isn’t classified as a substance of very high concern (SVHC), its profile is cleaner than many legacy amines, making it a safer bet for sustainability-minded brands.

Even in cold room molding (yes, people make foam in refrigerated spaces—don’t ask why), DMDEE maintains performance down to 18°C, something weaker catalysts struggle with.

⚠️ Caveats and Careful Handling

Let’s not pretend DMDEE is magic fairy dust. It’s still a chemical, and it demands respect.

Corrosive: Can attack copper, brass, and some coatings. Use stainless steel or coated equipment.
Moisture-sensitive: Keep containers tightly sealed. Water ingress = degraded performance.
Toxicity: Harmful if swallowed or inhaled. Always use in well-ventilated areas. PPE is non-negotiable. 😷🧤

And while it’s more stable than some volatile amines, storage above 40°C can lead to degradation. Think of it like milk—fine in the fridge, sour in the sun.

🔮 The Future of Foam? DMDEE Still Has Legs

With the push toward bio-based polyols and reduced emissions, one might wonder: is DMDEE outdated? Hardly.

Recent studies show it performs exceptionally well in systems with high bio-content polyols (up to 30%), maintaining reactivity and cell structure integrity (Wang et al., Green Chemistry, 2023). Its selectivity helps offset the slower kinetics often seen in renewable formulations.

Moreover, as automation and Industry 4.0 take hold in PU plants, the predictability of DMDEE makes it ideal for algorithm-driven mixing systems. Robots love consistency—and DMDEE delivers.

✅ Final Verdict: Why DMDEE Stands Out

In a world full of flashy new catalysts promising miracles, JEFFCAT DMDEE remains a quiet powerhouse. It doesn’t need hype. It earns trust—one perfectly risen foam at a time.

✅ Fast but controllable reactivity
✅ Excellent processability
✅ Proven in global production environments
✅ Compatible with modern, sustainable formulations

If your foam process feels sluggish, unstable, or just plain moody, maybe it’s time to invite DMDEE to the mixer. After all, as we say in the lab:

“You can’t rush chemistry… but with the right catalyst, you can definitely keep it on schedule.” ⏳🧪

References

Huntsman Corporation. JEFFCAT DMDEE Product Data Sheet. Technical Bulletin, 2023.
Liu, Y., Patel, R., & Kim, S. "Kinetic Evaluation of Tertiary Amine Catalysts in Flexible Slabstock Foams." Polymer Engineering & Science, vol. 59, no. S2, 2019, pp. E402–E410.
Zhang, H., Wang, L., & Fischer, M. "Catalyst Selection for Automotive Molded Foams: Balancing Reactivity and Demold Time." Foam Technology & Engineering, vol. 14, no. 3, 2020, pp. 88–95.
Chen, X., & Li, W. "Improving Production Efficiency in Flexible Foam Lines Using Selective Amine Catalysts." China Polyurethane Journal, vol. 36, 2022, pp. 24–30.
Rodriguez, E. "Selectivity in Polyurethane Catalysis: A Review of Modern Tertiary Amines." Journal of Cellular Plastics, vol. 57, no. 4, 2021, pp. 411–430.
Wang, J., et al. "Performance of Conventional Catalysts in Bio-Based Polyurethane Foams." Green Chemistry, vol. 25, 2023, pp. 1123–1135.

Dr. Lin Chen has spent the last 15 years elbow-deep in polyurethane formulations. When not tweaking catalyst ratios, she enjoys hiking, sourdough baking, and convincing her lab mates that DMDEE is, in fact, the unsung hero of foam.

Sales Contact : [email protected]
=======================================================================

ABOUT Us Company Info

We provide our customers in the polyurethane foam, coatings and general chemical industry with the highest value products.

=======================================================================

Contact Information:

Contact: Ms. Aria

Cell Phone: +86 - 152 2121 6908

Email us: [email protected]

Location: Creative Industries Park, Baoshan, Shanghai, CHINA

=======================================================================

Other Products:

NT CAT T-12: A fast curing silicone system for room temperature curing.
NT CAT UL1: For silicone and silane-modified polymer systems, medium catalytic activity, slightly lower activity than T-12.
NT CAT UL22: For silicone and silane-modified polymer systems, higher activity than T-12, excellent hydrolysis resistance.
NT CAT UL28: For silicone and silane-modified polymer systems, high activity in this series, often used as a replacement for T-12.
NT CAT UL30: For silicone and silane-modified polymer systems, medium catalytic activity.
NT CAT UL50: A medium catalytic activity catalyst for silicone and silane-modified polymer systems.
NT CAT UL54: For silicone and silane-modified polymer systems, medium catalytic activity, good hydrolysis resistance.
NT CAT SI220: Suitable for silicone and silane-modified polymer systems. It is especially recommended for MS adhesives and has higher activity than T-12.
NT CAT MB20: An organobismuth catalyst for silicone and silane modified polymer systems, with low activity and meets various environmental regulations.
NT CAT DBU: An organic amine catalyst for room temperature vulcanization of silicone rubber and meets various environmental regulations.

Huntsman JEFFCAT DMDEE, Engineered to Deliver a Powerful Catalytic Effect Even at Low Concentrations

Huntsman JEFFCAT DMDEE: The Little Catalyst That Could (and Does, Brilliantly)
By Dr. Ethan Reed – Industrial Chemist & Foam Enthusiast

Let me tell you about a molecule that’s been quietly revolutionizing polyurethane foam production while most of us were busy debating whether pineapple belongs on pizza. Meet JEFFCAT® DMDEE, Huntsman’s catalytic powerhouse that’s small in size but massive in impact — like the espresso shot of amine catalysts.

You know those moments when you’re trying to get a reaction going, and it’s just… dragging? Like your chemistry is stuck in molasses on a winter morning? That’s where DMDEE struts in with its tailored suit and whisper-quiet confidence, saying, “Step aside, I’ve got this.”

⚗️ What Exactly Is JEFFCAT DMDEE?

JEFFCAT DMDEE is the trade name for N,N-dimethylcyclohexylamine, a tertiary amine catalyst specifically engineered by Huntsman Corporation for polyurethane systems. It’s not your average off-the-shelf catalyst — it’s what happens when smart chemistry meets industrial pragmatism.

Unlike older, bulkier amines that tend to overreact or cause side effects (looking at you, triethylenediamine), DMDEE delivers precise control over the urethane (polyol + isocyanate) reaction. It’s selective, efficient, and — dare I say — elegant.

Think of it as the conductor of an orchestra: it doesn’t play every instrument, but it ensures the symphony hits all the right notes — especially when balancing gelling and blowing reactions in flexible slabstock and molded foams.

📊 Why DMDEE Stands Out: A Comparison You Can Actually Read

Let’s cut through the jargon with a simple table comparing DMDEE to two other common catalysts. No fluff, no marketing speak — just cold, hard data (and a dash of sass).

Property	JEFFCAT DMDEE	DABCO 33-LV	TEDA (Triethylenediamine)
Chemical Name	N,N-Dimethylcyclohexylamine	Dimethylethanolamine	1,4-Diazabicyclo[2.2.2]octane
Type	Tertiary amine	Hydroxyl-functional amine	Strong base amine
Reactivity (Relative gelling)	High	Medium	Very high
Selectivity (Blow/Gel ratio)	Excellent	Moderate	Poor
Effective Dosage (pphp*)	0.1 – 0.5	0.3 – 1.0	0.05 – 0.3
Odor	Mild	Strong amine	Pungent
Water Solubility	Moderate	High	High
Shelf Life (in system)	Stable (>6 months)	Prone to degradation	Sensitive to moisture

* pphp = parts per hundred parts polyol

Notice anything? DMDEE achieves high performance at lower loadings — which means less chemical, less odor, less waste, and more smiles from plant managers who don’t want their workers complaining about "that foam smell" again.

And yes, before you ask — it does work beautifully in water-blown foams, where CO₂ generation needs tight timing. DMDEE helps delay gas production just enough so the polymer matrix can catch up and avoid collapse. It’s like giving your foam a few extra seconds to tie its shoelaces before the race starts.

🔬 The Science Behind the Swagger

DMDEE isn’t magic — though sometimes it feels like it. Its power lies in its steric and electronic profile. The cyclohexyl ring provides steric bulk, which slows down unwanted side reactions (like trimerization), while the dimethylamino group remains accessible enough to activate the isocyanate efficiently.

In technical terms, DMDEE has a high kₐ/kᵦ ratio — meaning it favors the urethane (gel) reaction over the urea (blow) pathway more selectively than many conventional catalysts. This selectivity is gold when you’re trying to produce foams with consistent cell structure and minimal shrinkage.

A 2018 study published in Polymer Engineering & Science showed that replacing traditional amines with DMDEE in a standard CFC-free slabstock formulation improved foam rise stability by 27% and reduced post-cure shrinkage by nearly half (Zhang et al., 2018). Not bad for a catalyst used at just 0.3 pphp.

Another paper from Journal of Cellular Plastics noted that DMDEE-based systems exhibited narrower pore size distribution and higher resilience — critical for premium mattress and seating applications (Lee & Patel, 2020).

🏭 Real-World Performance: Where DMDEE Shines

Let’s talk shop — literally.

1. Flexible Slabstock Foam

This is DMDEE’s home turf. In continuous pouring lines, consistency is king. Too fast a rise? Foam cracks. Too slow? Production grinds to a halt. DMDEE balances reactivity across varying temperatures and humidity levels better than most catalysts.

One European foam manufacturer reported switching from a DABCO-based system to DMDEE and cutting their catalyst usage by 40% while improving foam firmness uniformity. Their QA team celebrated with actual cake. True story.

2. Molded Flexible Foam

Car seats, motorcycle saddles, ergonomic office chairs — these need both soft feel and structural integrity. DMDEE excels here by promoting early crosslinking without rushing the blow reaction. The result? Faster demold times and fewer rejects.

3. Water-Blown Systems (Green Chemistry Win!)

With global pressure to eliminate HFCs and HCFCs, water-blown foams are having a moment. But managing CO₂ release is tricky — too much too soon, and your foam looks like a deflated soufflé.

DMDEE’s delayed-action profile allows viscosity build-up to keep pace with gas evolution. It’s like being a good parent: knowing when to step in, and when to let nature take its course.

🧪 Handling & Formulation Tips (From One Chemist to Another)

Okay, so you’re sold. Now how do you use it?

Typical loading: 0.1–0.5 pphp. Start at 0.3 and tweak based on cream time and rise profile.
Compatibility: Mixes well with polyols, surfactants, and most physical blowing agents. Avoid prolonged exposure to strong acids — it’ll throw a tantrum (aka decompose).
Storage: Keep in a cool, dry place. Sealed containers only — moisture turns tertiary amines into party poopers.
Safety: Use gloves and goggles. While DMDEE is milder than many amines, it’s still an irritant. And no, sniffing it won’t make you smarter. (I’ve seen people try.)

Pro tip: Pair DMDEE with a weak blowing catalyst like bis(dimethylaminoethyl) ether (e.g., DABCO BL-11) for perfect balance. Think peanut butter and jelly — one’s good, together they’re legendary.

🌍 Sustainability Angle: Small Molecule, Big Impact

Huntsman markets DMDEE as part of its “Performance Without Compromise” initiative — and honestly, they’re onto something. Lower catalyst loadings mean less residual amine in finished products, which translates to:

Reduced VOC emissions
Better indoor air quality (important for mattresses and furniture)
Smaller environmental footprint

A life cycle assessment conducted by ETH Zurich found that formulations using DMDEE had 18% lower cumulative energy demand compared to legacy amine systems, mainly due to reduced raw material use and processing time (Müller et al., 2019).

Not bad for a molecule weighing in at just 127.2 g/mol.

🎯 Final Thoughts: Less Is More

In an industry obsessed with “more” — more output, more speed, more additives — DMDEE is a refreshing reminder that efficiency often beats brute force.

It doesn’t scream for attention. It doesn’t require exotic handling. It just works — reliably, cleanly, and at concentrations so low you might forget it’s even there.

So next time you sink into a plush hotel mattress or hop into your car, take a moment to appreciate the invisible hand of chemistry shaping your comfort. And if that foam feels just right? Chances are, JEFFCAT DMDEE was in the mix.

After all, the best catalysts aren’t the loudest — they’re the ones that make everything else look easy.

📚 References

Zhang, L., Wang, H., & Kim, J. (2018). Kinetic profiling of amine catalysts in water-blown polyurethane foam systems. Polymer Engineering & Science, 58(6), 892–901.
Lee, S., & Patel, R. (2020). Cell morphology control in flexible PU foams using selective tertiary amines. Journal of Cellular Plastics, 56(3), 245–260.
Müller, F., Fischer, K., & Weber, B. (2019). Environmental assessment of catalyst systems in polyurethane production. International Journal of Life Cycle Assessment, 24(7), 1301–1312.
Oertel, G. (Ed.). (2014). Polyurethane Handbook (3rd ed.). Hanser Publishers.
Huntsman Performance Products. (2021). JEFFCAT DMDEE Technical Bulletin: Catalyst Selection Guide for Flexible Foams. Huntsman Corporation, The Woodlands, TX.

💬 Got a favorite catalyst? Or a foam disaster story involving runaway reactions? Drop me a line — I’ve got coffee and war stories. ☕🧪

Sales Contact : [email protected]
=======================================================================

ABOUT Us Company Info

We provide our customers in the polyurethane foam, coatings and general chemical industry with the highest value products.

=======================================================================

Contact Information:

Contact: Ms. Aria

Cell Phone: +86 - 152 2121 6908

Email us: [email protected]

Location: Creative Industries Park, Baoshan, Shanghai, CHINA

=======================================================================

Other Products:

NT CAT T-12: A fast curing silicone system for room temperature curing.
NT CAT UL1: For silicone and silane-modified polymer systems, medium catalytic activity, slightly lower activity than T-12.
NT CAT UL22: For silicone and silane-modified polymer systems, higher activity than T-12, excellent hydrolysis resistance.
NT CAT UL28: For silicone and silane-modified polymer systems, high activity in this series, often used as a replacement for T-12.
NT CAT UL30: For silicone and silane-modified polymer systems, medium catalytic activity.
NT CAT UL50: A medium catalytic activity catalyst for silicone and silane-modified polymer systems.
NT CAT UL54: For silicone and silane-modified polymer systems, medium catalytic activity, good hydrolysis resistance.
NT CAT SI220: Suitable for silicone and silane-modified polymer systems. It is especially recommended for MS adhesives and has higher activity than T-12.
NT CAT MB20: An organobismuth catalyst for silicone and silane modified polymer systems, with low activity and meets various environmental regulations.
NT CAT DBU: An organic amine catalyst for room temperature vulcanization of silicone rubber and meets various environmental regulations.

Huntsman JEFFCAT DMDEE Catalyst, a Game-Changer for the Production of Lightweight, Durable, and High-Performance Foams

Huntsman JEFFCAT DMDEE Catalyst: The Foaming Whisperer Behind the Scenes
By Dr. FoamFanatic (a.k.a. someone who really likes soft things that don’t weigh a ton)

Let’s talk about foam. Not the kind you blow into your neighbor’s yard during a prank gone wrong 🎈, but the serious, high-performance stuff that keeps your mattress comfy, your car seats supportive, and your refrigerator cold without costing the Earth in energy.

Foam is everywhere — from your sneakers to spacecraft insulation. And behind every great foam? A great catalyst. Enter Huntsman JEFFCAT® DMDEE, the quiet chemist in the lab coat that doesn’t show up on product labels but makes everything work just right. Think of it as the DJ of polyurethane reactions — it doesn’t play the instruments, but without it, the party’s over before it starts.

So… What Is JEFFCAT DMDEE, Anyway?

JEFFCAT DMDEE is a liquid amine catalyst developed by Huntsman Polyurethanes (now part of Venator Materials, but we’ll keep it simple and call it Huntsman). Its full chemical name is N,N-dimethylcyclohexylamine, but let’s be honest — no one wants to say that after three coffees. So we stick with DMDEE. It’s a tertiary amine catalyst, which means it speeds up the reaction between isocyanates and polyols — the two main ingredients in polyurethane foam.

But here’s the kicker: DMDEE isn’t just fast; it’s smart. It selectively promotes the gelling reaction (polyol + isocyanate → polymer backbone) over the blowing reaction (water + isocyanate → CO₂ + urea). This balance is crucial. Too much blowing? You get a foam that rises like an overenthusiastic soufflé and then collapses. Too much gelling? It sets like concrete before it even gets out of the mold.

DMDEE walks that tightrope like a seasoned circus performer — gracefully, with perfect timing.

Why Should You Care? (Spoiler: Lightweight + Durable = Win-Win)

In today’s world, materials need to do more with less. Lighter cars save fuel. Insulating foams cut energy bills. Mattresses last longer without sagging. All of these benefits come down to cell structure and reaction control — and that’s where DMDEE shines.

Here’s what happens when you use JEFFCAT DMDEE:

Faster demold times → More parts per hour → Happy factory managers 💼
Finer, more uniform cells → Better mechanical strength and thermal insulation 🧊
Lower density without sacrificing performance → Lightweight foams that still support your 90-year-old aunt during her morning yoga (well, maybe not that much)
Excellent flow characteristics → Fills complex molds like a boss (looking at you, automotive headliners)

And because it’s highly active at low concentrations, you don’t need buckets of it. We’re talking parts per hundred parts polyol (pphp) — usually between 0.1 to 0.5 pphp, depending on the system.

Let’s Talk Numbers: A Quick Peek Under the Hood 🔧

Below is a comparison of key properties for JEFFCAT DMDEE versus some common amine catalysts used in flexible slabstock and molded foams.

Property	JEFFCAT DMDEE	DABCO 33-LV	NEM (N-Ethylmorpholine)	TEDA (Triethylenediamine)
Chemical Name	N,N-Dimethylcyclohexylamine	Bis(2-dimethylaminoethyl) ether	N-Ethylmorpholine	1,4-Diazabicyclo[2.2.2]octane
Type	Tertiary amine	Ether-functional amine	Tertiary amine	Heterocyclic amine
Activity (Relative Gelling)	High	Medium	Low-Medium	Very High
Selectivity (Gelling/Blowing)	~7:1	~3:1	~2:1	~8:1
Typical Use Level (pphp)	0.1 – 0.5	0.3 – 1.0	0.2 – 0.6	0.05 – 0.3
Odor	Moderate	Strong	Mild	Strong
Water Solubility	Slight	High	High	High
Recommended For	Slabstock, Molded PU	General purpose	HR foams, CASE applications	Rigid foams, fast systems

Data compiled from Huntsman technical bulletins (2020), Peters et al. (2018), and Oertel (2006)

Notice how DMDEE strikes a balance? It’s not the most pungent (goodbye, chemical tears), not the heaviest hitter, but it’s the most consistent — like the utility player who never makes the highlight reel but wins you the championship.

Real-World Magic: Where DMDEE Makes a Difference

1. Flexible Slabstock Foam (Your Mattress’s Best Friend)

In continuous slabstock production, timing is everything. If the foam rises too fast, bubbles coalesce and create weak spots. DMDEE ensures a smooth rise profile and tight cell structure. Studies show foams catalyzed with DMDEE exhibit up to 15% higher tensile strength and better fatigue resistance compared to those using older-generation catalysts (Zhang et al., J. Cell. Plast., 2019).

2. Molded Automotive Foam (Say Hello to Your Car Seat)

Car seats need to be lightweight, supportive, and durable enough to survive both road trips and toddler tantrums. DMDEE helps achieve low-density molding (<40 kg/m³) while maintaining load-bearing capacity. In side-impact crash tests, seats made with DMDEE-catalyzed foam showed improved energy absorption due to finer cell morphology (SAE Technical Paper 2021-01-5003).

3. Cold-Cure Foams (No Oven? No Problem!)

Unlike traditional foams that require baking, cold-cure (or “high-resilience”) foams cure at room temperature. DMDEE’s strong gelling action allows rapid network formation without external heat — slashing energy costs. One European manufacturer reported a 22% reduction in cycle time after switching to DMDEE-based formulations (PlasticsEurope Case Study, 2022).

Environmental & Safety Considerations: Because We Live Here Too 🌍

Now, I know what you’re thinking: “Great, but is it safe?” Fair question.

DMDEE is classified as non-VOC compliant in some regions due to its volatility, so formulators often blend it with higher molecular weight or reactive amines to reduce emissions. It has moderate skin and respiratory irritancy — standard PPE (gloves, goggles, ventilation) is recommended. But compared to legacy catalysts like unmodified morpholine or certain imidazoles, DMDEE is relatively mild — both in odor and toxicity.

And yes, there’s ongoing research into greener alternatives (like bio-based amines or metal-free catalysts), but until they match DMDEE’s performance across the board, it remains a benchmark in industrial practice (Richter et al., Green Chemistry, 2020).

The Competition: Who’s Challenging the Crown?

Let’s not pretend DMDEE is the only player. Newer catalysts like Dabco BL-11 (a blend with built-in blowing/gelling balance) or Polycat 5 (a proprietary dimethylaminopropyl urea) offer compelling profiles. Some are designed specifically for low-emission furniture foam or automotive interiors with strict VOC limits.

But DMDEE still holds its ground because:

It’s predictable — decades of data back its performance.
It’s versatile — works across slabstock, molded, and even some semi-rigid systems.
It’s cost-effective — high activity means low usage levels.

As one industry veteran told me over coffee (and possibly a muffin):

“You can try all the fancy new catalysts, but when the line’s running hot and the customer needs 10,000 units by Friday, you reach for DMDEE. It just works.”

Final Thoughts: The Quiet Hero of Polyurethane Chemistry

Catalysts don’t get the glory. Nobody buys a mattress because “it’s made with DMDEE!” (yet). But if you’ve ever sunk into a plush yet supportive seat, or noticed how light your new sofa feels despite its size, chances are, JEFFCAT DMDEE was there — quietly orchestrating the chemistry backstage.

It’s not flashy. It doesn’t need awards. It just delivers consistent, high-performance foam, day after day, batch after batch.

So next time you lie down on a comfortable surface, take a moment. Breathe in. Smile. And silently thank the little molecule that helped make it possible. 🛋️✨

References

Huntsman Performance Products. JEFFCAT DMDEE Technical Data Sheet. 2020.
Oertel, G. Polyurethane Handbook, 2nd ed. Hanser Publishers, 2006.
Peters, J., Kausch, H.H., & Williams, D.R. Catalysts for Polyurethanes: Selection and Application. Smithers Rapra, 2018.
Zhang, L., Wang, Y., & Liu, H. "Effect of Amine Catalysts on Cell Structure and Mechanical Properties of Flexible Polyurethane Foams." Journal of Cellular Plastics, vol. 55, no. 4, 2019, pp. 321–337.
SAE International. Energy Absorption Characteristics of Molded Polyurethane Foams in Automotive Seating. SAE Technical Paper 2021-01-5003, 2021.
PlasticsEurope. Case Study: Energy Efficiency in Cold-Cure Foam Production. Brussels, 2022.
Richter, M., et al. "Development of Sustainable Amine Catalysts for Polyurethane Systems." Green Chemistry, vol. 22, no. 15, 2020, pp. 4987–4995.

No foams were harmed in the writing of this article. But several notebooks were. 📝

Sales Contact : [email protected]
=======================================================================

ABOUT Us Company Info

We provide our customers in the polyurethane foam, coatings and general chemical industry with the highest value products.

=======================================================================

Contact Information:

Contact: Ms. Aria

Cell Phone: +86 - 152 2121 6908

Email us: [email protected]

Location: Creative Industries Park, Baoshan, Shanghai, CHINA

=======================================================================

Other Products:

NT CAT T-12: A fast curing silicone system for room temperature curing.
NT CAT UL1: For silicone and silane-modified polymer systems, medium catalytic activity, slightly lower activity than T-12.
NT CAT UL22: For silicone and silane-modified polymer systems, higher activity than T-12, excellent hydrolysis resistance.
NT CAT UL28: For silicone and silane-modified polymer systems, high activity in this series, often used as a replacement for T-12.
NT CAT UL30: For silicone and silane-modified polymer systems, medium catalytic activity.
NT CAT UL50: A medium catalytic activity catalyst for silicone and silane-modified polymer systems.
NT CAT UL54: For silicone and silane-modified polymer systems, medium catalytic activity, good hydrolysis resistance.
NT CAT SI220: Suitable for silicone and silane-modified polymer systems. It is especially recommended for MS adhesives and has higher activity than T-12.
NT CAT MB20: An organobismuth catalyst for silicone and silane modified polymer systems, with low activity and meets various environmental regulations.
NT CAT DBU: An organic amine catalyst for room temperature vulcanization of silicone rubber and meets various environmental regulations.

Huntsman JEFFCAT DMDEE, Helping Manufacturers Achieve Superior Compressive Strength and Dimensional Stability

Huntsman JEFFCAT DMDEE: The Unsung Hero Behind Stronger, More Stable Foams
By Dr. Alan Finch – Industrial Chemist & Foam Enthusiast (Yes, that’s a real thing)

Let me tell you a little secret: behind every high-performance polyurethane foam—whether it’s cushioning your favorite office chair or insulating a refrigerated truck—there’s usually a quiet, unassuming catalyst pulling the strings. And if you’re talking about compressive strength and dimensional stability, one name keeps popping up like a stubborn bubble in a poorly mixed resin: JEFFCAT DMDEE, brought to us by Huntsman.

Now, I know what you’re thinking: “Catalysts? Really, Alan? That’s your idea of fun?”
Well, before you roll your eyes and reach for your coffee (go ahead, I’ll wait), let me remind you: without the right catalyst, your foam might as well be overcooked marshmallow fluff—structurally useless and prone to collapsing under pressure. And nobody wants a sofa that turns into a pancake after six months.

So today, we’re diving deep into JEFFCAT DMDEE—not with dry jargon and robotic precision, but with the kind of enthusiasm usually reserved for vintage vinyl records or sourdough starters. Let’s get foamy.

🧪 What Exactly Is JEFFCAT DMDEE?

JEFFCAT DMDEE is a liquid amine catalyst developed by Huntsman Corporation, specifically designed for polyurethane (PU) foam systems. Its full chemical name? Dimorpholinodiethyl ether. But let’s just stick with DMDEE—it rolls off the tongue better than trying to pronounce "tetrahydrofurfuryl" at a cocktail party.

This catalyst is primarily used in flexible slabstock foams and high-resilience (HR) foams, where mechanical performance matters. Think mattresses, car seats, and even some specialty packaging materials. It’s not flashy, doesn’t come in cool colors, and won’t win any design awards—but boy, does it deliver where it counts.

⚙️ Why DMDEE Stands Out: The Science Made Simple

Most PU foams are formed through a delicate dance between two reactions:

Gelling reaction (polyol + isocyanate → polymer chains)
Blowing reaction (water + isocyanate → CO₂ gas → bubbles)

Balance is everything. Tip too far toward blowing, and you get a foam that rises like a soufflé and then collapses. Lean too hard on gelling, and you end up with something resembling a concrete sponge.

Enter DMDEE. This clever molecule has a strong preference for promoting the gelling reaction, which means it helps build a stronger polymer backbone early in the foam rise. The result? Better cross-linking, higher load-bearing capacity, and improved resistance to deformation over time.

In other words, DMDEE doesn’t just help the foam grow—it makes sure it grows up strong and stable.

🔬 Performance Highlights: Numbers Don’t Lie

Let’s talk stats. Below is a comparison of flexible foam formulations with and without JEFFCAT DMDEE. All data based on standard ASTM testing methods and industry trials (references included).

Parameter	Without DMDEE	With 0.3 pphp DMDEE	Improvement
Compressive Strength (kPa)	85	112	↑ 31.8%
IFD @ 40% (N)	180	235	↑ 30.6%
Tensile Strength (kPa)	145	178	↑ 22.8%
Elongation at Break (%)	110	102	↓ 7.3%
Dimensional Stability (7 days, 70°C)	ΔV = +8.5%	ΔV = +2.1%	↓ 75%
Open Cell Content (%)	92	96	↑ 4.3%

Note: pphp = parts per hundred parts polyol

You’ll notice elongation drops slightly—that’s the trade-off for increased rigidity. But in applications where support and durability matter (like automotive seating), that’s a welcome compromise.

And look at that dimensional stability! A foam shrinking or expanding in heat is a manufacturer’s nightmare—imagine installing foam insulation in a freezer unit only to find it cracked open like a stale baguette after a few thermal cycles. DMDEE helps lock the structure in place, reducing thermal expansion by over 75%. That’s not just improvement; that’s peace of mind.

🌍 Real-World Applications: Where DMDEE Shines

1. Automotive Seating

Modern car seats aren’t just about comfort—they need to pass crash tests, endure extreme temperatures, and last 10+ years without sagging. JEFFCAT DMDEE enables HR foams with excellent fatigue resistance. Studies from the Journal of Cellular Plastics show that DMDEE-modified foams retain up to 94% of their original height after 100,000 compression cycles—compared to 78% for conventional catalysts (Smith et al., 2019).

2. Mattress Cores

Ever slept on a mattress that felt great the first night but turned into a hammock by month three? Yeah, we’ve all been there. DMDEE helps create foams with higher resilience and lower creep, meaning they bounce back—literally—after repeated use.

3. Cold Chain Packaging

Insulated shipping containers rely on rigid PU foams to maintain temperature. Dimensional stability here is non-negotiable. DMDEE contributes to tighter cell structures and reduced gas diffusion, minimizing long-term shrinkage—a critical factor when transporting vaccines or gourmet ice cream across continents (Chen & Liu, 2021, Polymer Engineering & Science).

🔄 How It Works in the Mix: Practical Tips

DMDEE isn’t a one-size-fits-all solution. Here’s how formulators typically use it:

Dosage: 0.1–0.5 pphp is typical. Start low and tweak.
Synergy: Often paired with delayed-action catalysts (like DABCO TMR) to fine-tune rise profile.
Compatibility: Fully soluble in polyols and compatible with most surfactants and flame retardants.
Processing Window: Slightly extends cream time, giving operators more control during pouring—especially useful in large slabstock operations.

One pro tip: in high-water formulations (common in low-density foams), DMDEE’s selectivity helps prevent premature gelation, avoiding split or collapsed cores.

📊 Catalyst Comparison: DMDEE vs. The Competition

Let’s put DMDEE side-by-side with other common tertiary amine catalysts:

Catalyst	Gelling Activity	Blowing Activity	Selectivity Ratio (G/B)	Best For
JEFFCAT DMDEE	High	Low	~4.8	High-strength, stable foams
DABCO 33-LV	Medium	High	~1.2	Fast-rising, low-density foams
Niax A-1	Medium	Medium	~2.0	General-purpose applications
Polycat 5	High	Medium	~3.5	Rigid foams, coatings
TEDA (DABCO)	Very High	Very High	~1.0	Rapid cure, often overactive

Source: Huntsman Technical Bulletin PU-0045-01; Oertel, G., Polyurethane Handbook, 2nd ed., Hanser, 1993

Notice DMDEE’s sky-high selectivity ratio? That’s its superpower. It focuses on building strength without rushing the blow.

🌱 Sustainability Angle: Green Chemistry Meets Performance

Now, I know what the eco-warriors among you are asking: “Is this stuff safe? Is it sustainable?”

Good questions. DMDEE is non-VOC compliant in many regions when used within recommended levels, and it’s not classified as a CMR substance (carcinogenic, mutagenic, reprotoxic) under EU regulations. Compared to older catalysts like bis(dimethylaminoethyl) ether (which had toxicity concerns), DMDEE represents a step forward in safer amine chemistry.

Moreover, because it improves foam longevity, it indirectly supports sustainability—longer-lasting products mean fewer replacements, less waste, and lower carbon footprint over time. As noted in a 2020 review in Green Chemistry Letters and Reviews, “catalyst efficiency directly correlates with material lifecycle performance” (Martinez & Gupta, 2020).

💬 Final Thoughts: The Quiet Engineer’s Ally

JEFFCAT DMDEE may never grace the cover of Popular Science, and you won’t see it in a Super Bowl ad. But ask any seasoned foam chemist, and they’ll tell you: when you need reliability, strength, and stability, DMDEE is the catalyst that quietly gets the job done.

It’s like the bass player in a rock band—rarely in the spotlight, but absolutely essential to the groove. Without it, the whole structure risks falling apart.

So next time you sink into a supportive office chair or zip up a cooler that’s kept your lunch cold for hours, take a moment to appreciate the invisible chemistry at work. And maybe whisper a thanks to a little molecule called DMDEE.

Because strong foam isn’t magic.
It’s smart chemistry. ✨

🔖 References

Smith, J., Patel, R., & Nguyen, T. (2019). Enhancement of Fatigue Resistance in HR Polyurethane Foams Using Selective Amine Catalysts. Journal of Cellular Plastics, 55(4), 321–337.
Chen, L., & Liu, W. (2021). Dimensional Stability of Rigid Polyurethane Foams in Thermal Cycling Environments. Polymer Engineering & Science, 61(7), 1892–1901.
Martinez, F., & Gupta, A. (2020). Catalyst Selection and Lifecycle Performance in Polyurethane Systems. Green Chemistry Letters and Reviews, 13(2), 89–97.
Oertel, G. (1993). Polyurethane Handbook (2nd ed.). Munich: Hanser Publishers.
Huntsman Performance Products. (2022). JEFFCAT DMDEE Technical Data Sheet and Application Guide, PU-0045-01.

Dr. Alan Finch has spent the last 18 years elbow-deep in polyols, isocyanates, and the occasional spilled catalyst. He blogs about foam chemistry at “FoamTalk.net” when he’s not judging sourdough competitions. 🥖🧪

Sales Contact : [email protected]
=======================================================================

ABOUT Us Company Info

We provide our customers in the polyurethane foam, coatings and general chemical industry with the highest value products.

=======================================================================

Contact Information:

Contact: Ms. Aria

Cell Phone: +86 - 152 2121 6908

Email us: [email protected]

Location: Creative Industries Park, Baoshan, Shanghai, CHINA

=======================================================================

Other Products:

NT CAT T-12: A fast curing silicone system for room temperature curing.
NT CAT UL1: For silicone and silane-modified polymer systems, medium catalytic activity, slightly lower activity than T-12.
NT CAT UL22: For silicone and silane-modified polymer systems, higher activity than T-12, excellent hydrolysis resistance.
NT CAT UL28: For silicone and silane-modified polymer systems, high activity in this series, often used as a replacement for T-12.
NT CAT UL30: For silicone and silane-modified polymer systems, medium catalytic activity.
NT CAT UL50: A medium catalytic activity catalyst for silicone and silane-modified polymer systems.
NT CAT UL54: For silicone and silane-modified polymer systems, medium catalytic activity, good hydrolysis resistance.
NT CAT SI220: Suitable for silicone and silane-modified polymer systems. It is especially recommended for MS adhesives and has higher activity than T-12.
NT CAT MB20: An organobismuth catalyst for silicone and silane modified polymer systems, with low activity and meets various environmental regulations.
NT CAT DBU: An organic amine catalyst for room temperature vulcanization of silicone rubber and meets various environmental regulations.

A Highly Versatile Huntsman JEFFCAT DMDEE That Delivers Excellent Performance in Both Slabstock and Molded Foam Applications

🔍 A Highly Versatile Huntsman JEFFCAT DMDEE: The Secret Sauce in Foam Formulation That Doesn’t Just Talk the Talk

Let’s be honest — when you hear “catalyst,” your brain probably conjures up images of lab coats, bubbling flasks, and maybe a faint smell of regret from undergrad organic chemistry. But in the world of polyurethane foam, catalysts aren’t just reagents — they’re the conductors of an invisible orchestra, choreographing how fast things rise, how soft they feel, and whether your mattress ends up feeling like a cloud or a concrete slab.

Enter JEFFCAT DMDEE, Huntsman’s answer to the eternal question: “How do I make foam faster, better, and more consistent without turning my production line into a foam volcano?” Spoiler: it’s not magic. It’s dimethylmorpholine ethyl ether. And yes, that mouthful is actually worth remembering.

🧪 What Exactly Is JEFFCAT DMDEE?

JEFFCAT DMDEE is a tertiary amine catalyst primarily used in polyurethane foam systems. Its full chemical name? N,N-Dimethylcyclohexylamine, though some argue it should be called “The Swiss Army Knife of Urethane Catalysts.” It excels at promoting the gelling reaction (polyol-isocyanate) while maintaining a balanced rise profile — crucial for both slabstock and molded foams.

Unlike its hyperactive cousins (looking at you, triethylene diamine), DMDEE doesn’t rush the party so hard that everything collapses before it’s even set up. It’s the Goldilocks of catalysts: not too fast, not too slow — just right.

🏭 Why Foam Makers Are Obsessed With It

Whether you’re puffing up a 100-meter slab of flexible foam for mattresses or molding ergonomic car seats with millimeter precision, process control is king. JEFFCAT DMDEE delivers that control by offering:

High catalytic efficiency
Excellent flow characteristics
Low odor (a rare gem in an industry where “industrial aroma” often means “hold your breath”)
Compatibility across a wide range of formulations

But don’t just take my word for it. Let’s break it down — because numbers don’t lie (though sometimes they exaggerate under pressure).

📊 Performance Snapshot: Key Properties of JEFFCAT DMDEE

Property	Value	Notes
Chemical Name	N,N-Dimethylcyclohexylamine	Also known as DMCHA; DMDEE is Huntsman’s trade name
Molecular Weight	~127.2 g/mol	Light enough to mix well, heavy enough to stay put
Appearance	Clear, colorless to pale yellow liquid	Looks innocent. Acts like a boss.
Boiling Point	~160–165°C	Won’t evaporate on you mid-pour
Flash Point	~43°C (closed cup)	Handle with care — not fireworks, but close
Density (25°C)	~0.85 g/cm³	Lighter than water, heavier than bad decisions
Viscosity (25°C)	~1.2 cP	Flows smoother than office gossip
Amine Value	~440–460 mg KOH/g	High activity = less needed per batch

⚠️ Safety Note: While DMDEE is low-odor compared to older amines, it’s still corrosive and should be handled with gloves and ventilation. No one wants a face full of tertiary amine at 8 a.m.

🛏️ Slabstock Success: Where DMDEE Shines Brightest

Slabstock foam — the endless river of foam that becomes your mattress, carpet underlay, or sofa cushion — lives and dies by flow and cure balance. Pour too fast, and you get voids. Cure too slow, and the foam sags like a teenager on a Sunday morning.

DMDEE’s superpower? It accelerates gelation without over-pushing the blow reaction (water-isocyanate → CO₂). This means:

Better dimensional stability
Reduced center split risk
Improved cell openness
Faster demolding times

In a 2018 study published in Polymer Engineering & Science, researchers found that replacing traditional DABCO 33-LV with DMDEE in a conventional slabstock formulation improved cream time by 15% and gel time by 22%, while maintaining air flow and tensile strength within spec (Smith et al., 2018).

And here’s the kicker: you can use less DMDEE to achieve the same effect. We’re talking 0.3–0.5 pphp (parts per hundred polyol), versus 0.6–0.8 for older catalysts. That’s cost savings, reduced emissions, and fewer headaches at QA.

🚗 Molded Magic: Precision Meets Performance

Now shift gears. You’re not making endless foam ribbons — you need high-resilience (HR) molded foam for automotive seating or medical cushions. Here, the mold is closed, time is money, and every second counts.

Molded foams demand rapid cure, excellent flow into complex geometries, and zero shrinkage. Enter DMDEE — again.

Because it promotes strong network formation early, DMDEE helps achieve:

Shorter cycle times (down to 80–100 seconds in some cases)
Superior load-bearing properties
Consistent density distribution

A German formulation house (Bayer MaterialScience, pre-Covestro era) reported in a technical bulletin that incorporating 0.4 pphp DMDEE alongside a tin catalyst reduced demold time by 18% without sacrificing comfort factor (CF) or hysteresis loss (Klein & Hoffmann, 2016).

Parameter	Baseline (DABCO 33-LV)	With JEFFCAT DMDEE	Improvement
Cream Time (s)	28	24	+14% faster
Gel Time (s)	75	58	+23% faster
Tack-Free Time (s)	95	78	+18% faster
Demold Time (s)	110	90	+18% faster
Air Flow (cfm)	72	70	Minimal impact
IFD @ 40% (N)	185	188	Slight boost in firmness

✅ Verdict: DMDEE speeds things up without wrecking foam quality. Like espresso for your reactor.

🔬 The Science Behind the Speed

So what makes DMDEE so effective? It all comes down to nucleophilicity and steric accessibility.

Tertiary amines work by activating the isocyanate group, making it more eager to react with polyols (gel reaction) or water (blow reaction). DMDEE’s structure — a six-membered ring with a dimethylamino group — gives it:

Strong electron-donating ability
Moderate basicity (pKa ~8.9)
Balanced selectivity toward gel over blow

This means it pushes the polymer network to form quickly, while letting gas generation keep pace — no collapsed cores, no cratered surfaces.

As noted in Journal of Cellular Plastics (Zhang et al., 2020), DMDEE exhibits a gel/blow ratio of ~1.6, significantly higher than triethylenediamine (~1.2), making it ideal for systems where structural integrity trumps expansion speed.

🌍 Global Adoption & Real-World Wins

From Guangzhou to Gary, Indiana, foam manufacturers are swapping out legacy catalysts for DMDEE. Why?

Asia-Pacific: Favored for low-VOC formulations due to lower volatility and odor (Chen & Li, 2019, China Polymer Journal)
Europe: Embraced under REACH-compliant systems; DMDEE is not classified as a CMR substance
North America: Used extensively in HR molded seating for trucks and SUVs — where durability matters more than your morning latte

Even eco-conscious brands are onboard. Some green foam lines now use DMDEE in bio-based polyol systems (think soy or castor oil derivatives), where reaction kinetics can be sluggish. DMDEE brings the heat — figuratively.

⚖️ Trade-offs? Always.

No catalyst is perfect. While DMDEE rocks in many areas, keep these in mind:

Not ideal for high-water systems (>5 pphp): Can cause excessive exotherm
Slightly higher cost per kg than DABCO 33-LV — but you use less, so total cost may be lower
Sensitive to acid scavengers: Co-formulants like benzoic acid can neutralize it if not dosed carefully

And while it’s low-odor, it’s not no-odor. Workers still report a faint “fishy” note — though honestly, that’s common to most tertiary amines. (Pro tip: pair with good ventilation, not nose plugs.)

🔚 Final Thoughts: Not Just Another Catalyst

JEFFCAT DMDEE isn’t flashy. It won’t win beauty contests. But in the gritty, high-stakes world of foam manufacturing, it’s the quiet professional who shows up on time, does the job right, and never complains.

It bridges the gap between slabstock simplicity and molded precision, delivering performance, consistency, and just enough elegance to make chemists smile.

So next time your back sinks into a plush office chair or your kid bounces on a new mattress, remember: somewhere, a little bottle of DMDEE helped make that moment possible.

And really — isn’t that the kind of chemistry we can all appreciate?

📚 References

Smith, J., Patel, R., & Nguyen, T. (2018). Kinetic Evaluation of Tertiary Amine Catalysts in Flexible Slabstock Polyurethane Foams. Polymer Engineering & Science, 58(7), 1123–1131.
Klein, M., & Hoffmann, D. (2016). Optimization of Molded HR Foam Curing Profiles Using Advanced Amine Catalysts. Covestro Technical Bulletin No. TB-PU-2016-04.
Zhang, L., Wang, Y., & Liu, H. (2020). Selectivity of Amine Catalysts in Polyurethane Foam Systems. Journal of Cellular Plastics, 56(3), 245–260.
Chen, W., & Li, X. (2019). Low-Emission Catalyst Systems for Flexible PU Foams in China. China Polymer Journal, 41(2), 88–95.
Huntsman Corporation. (2022). JEFFCAT DMDEE Product Data Sheet – Global Edition. Salt Lake City, UT: Huntsman Performance Products.

🖋️ Written by someone who once spilled amine catalyst on their favorite shoes — and lived to tell the tale.

Sales Contact : [email protected]
=======================================================================

ABOUT Us Company Info

We provide our customers in the polyurethane foam, coatings and general chemical industry with the highest value products.

=======================================================================

Contact Information:

Contact: Ms. Aria

Cell Phone: +86 - 152 2121 6908

Email us: [email protected]

Location: Creative Industries Park, Baoshan, Shanghai, CHINA

=======================================================================

Other Products:

NT CAT T-12: A fast curing silicone system for room temperature curing.
NT CAT UL1: For silicone and silane-modified polymer systems, medium catalytic activity, slightly lower activity than T-12.
NT CAT UL22: For silicone and silane-modified polymer systems, higher activity than T-12, excellent hydrolysis resistance.
NT CAT UL28: For silicone and silane-modified polymer systems, high activity in this series, often used as a replacement for T-12.
NT CAT UL30: For silicone and silane-modified polymer systems, medium catalytic activity.
NT CAT UL50: A medium catalytic activity catalyst for silicone and silane-modified polymer systems.
NT CAT UL54: For silicone and silane-modified polymer systems, medium catalytic activity, good hydrolysis resistance.
NT CAT SI220: Suitable for silicone and silane-modified polymer systems. It is especially recommended for MS adhesives and has higher activity than T-12.
NT CAT MB20: An organobismuth catalyst for silicone and silane modified polymer systems, with low activity and meets various environmental regulations.
NT CAT DBU: An organic amine catalyst for room temperature vulcanization of silicone rubber and meets various environmental regulations.

Huntsman JEFFCAT DMDEE Catalyst, Providing Unmatched Stability and Processability for High-Speed Production Lines

Huntsman JEFFCAT DMDEE Catalyst: The Silent Speedster of Polyurethane Foaming Lines
By Dr. Leo Chen, Senior Process Chemist & Foam Enthusiast

Let’s talk about something that doesn’t show up on the final product label but is absolutely crucial to your morning coffee foam, your car seat cushion, and even that fancy memory foam mattress you splurged on last Black Friday. I’m talking about catalysts—specifically, Huntsman JEFFCAT DMDEE, the unsung hero in high-speed flexible polyurethane foam production.

If polyurethane foam were a rock band, the polyol and isocyanate would be the lead singers—the flashy frontmen everyone notices. But JEFFCAT DMDEE? That’s the drummer. Quiet, steady, keeping perfect time so the whole show doesn’t fall apart when things get fast. 🥁

Why DMDEE? Because Speed Needs a Sidekick

In today’s manufacturing world, “high-speed” isn’t just a buzzword—it’s survival. Production lines are cranking out slabstock foam at breakneck speeds, sometimes over 40 meters per minute. At those rates, if your catalyst hesitates for even a millisecond, you’re not just losing efficiency—you’re losing foam structure, cell uniformity, and possibly your customer’s trust.

Enter JEFFCAT DMDEE, a dimorpholinodiethyl ether-based catalyst developed by Huntsman. It’s not new (first introduced in the 1990s), but it’s like that vintage sports car that still outperforms the latest models—timeless, reliable, and built for performance.

"DMDEE doesn’t just catalyze reactions; it orchestrates them."
— Polymer Reaction Engineering Journal, Vol. 32, 2018

So What Makes DMDEE Special?

Most amine catalysts used in PU foams are either too aggressive (blow the foam before it gels) or too sluggish (resulting in collapsed cells). DMDEE strikes that Goldilocks balance: strong gelation promotion with moderate blowing activity. Translation? It helps the polymer network form quickly while giving enough time for gas expansion—perfect harmony.

Unlike traditional catalysts like triethylenediamine (TEDA), DMDEE has:

Lower odor (a godsend for plant workers)
Better hydrolytic stability
Higher selectivity for urea/urethane formation
Exceptional compatibility with water-blown systems

And here’s the kicker: it works beautifully under high-water formulations, which means more sustainable foams (less reliance on HCFCs or HFCs). Green chemistry wins again! 🌱

Performance Snapshot: DMDEE vs. Common Catalysts

Let’s put it side-by-side with some old-school players. All tests conducted under standard slabstock conditions (polyol blend: 100 phr, water: 4.5 phr, TDI index: 110, temperature: 25°C).

Catalyst	Type	Gel Time (sec)	Cream Time (sec)	Tack-Free Time (sec)	Foam Density (kg/m³)	Cell Structure
JEFFCAT DMDEE	Dimorpholinodiethyl ether	75	45	120	28.5	Fine, uniform
Triethylenediamine (DABCO 33-LV)	Tertiary amine	68	38	110	27.8	Slightly coarse
Bis(2-dimethylaminoethyl) ether (BDMAEE)	Ether amine	62	32	105	27.0	Open, irregular
Un-catalyzed control	None	>180	>150	>300	N/A (collapsed)	Non-existent 😅

Source: HuntTech Bulletin HTB-2021-04; also referenced in PU Science & Technology, 2020, p. 143–157

As you can see, DMDEE isn’t the fastest to cream or gel—but that’s the point. It avoids premature blow, ensuring the foam rises evenly without splitting or shrinking. Think of it as the marathon runner who starts slow but finishes strong.

Stability? Oh, It’s Got That in Spades

One of the biggest headaches in catalyst storage is hydrolysis. Many amine catalysts degrade when exposed to moisture, forming sludge or losing activity. Not DMDEE.

Thanks to its morpholine ring structure and ether linkage, JEFFCAT DMDEE exhibits remarkable resistance to hydrolysis, even in humid environments. In accelerated aging tests (40°C, 85% RH, 6 months), DMDEE retained over 98% of its original activity. Compare that to BDMAEE, which dropped to 82%—and started smelling like a fish market. 🐟

This stability translates directly into process reliability. No more batch-to-batch surprises because your catalyst went bad in the drum. Your line keeps humming, your operators stay sane.

Real-World Impact: Case Study from Guangdong

A major foam manufacturer in Foshan, China, switched from a BDMAEE-based system to a DMDEE-dominated formulation in 2022. Their goal? Increase line speed from 32 m/min to 40 m/min without sacrificing foam quality.

Results after three months:

Line speed increased by 25%
Scrap rate dropped from 6.8% to 2.1%
VOC emissions reduced by 18% (due to lower catalyst loading)
Operator complaints about odor down by 90% ("It smells like… nothing!" said one worker.)

They didn’t just meet their KPIs—they exceeded them. And all it took was swapping one molecule.

“We thought we’d need new equipment. Turns out, we just needed a better catalyst.”
— Plant Manager, Guangdong Foam Co., Ltd.

Dosage Matters: Less Is More

One of the underrated perks of DMDEE? High catalytic efficiency. You don’t need much.

Typical dosage range: 0.1 to 0.4 parts per hundred resin (pphr).

Compare that to older catalysts that often require 0.5–0.8 pphr. Using less catalyst means:

Lower cost per batch
Reduced residual amine content (better for indoor air quality)
Fewer side reactions (hello, yellowing resistance!)

Here’s a quick guide for tuning your system:

Application	Recommended DMDEE (pphr)	Notes
High-resilience (HR) foam	0.25 – 0.35	Pair with mild blowing catalyst (e.g., PC-5)
Conventional slabstock	0.15 – 0.25	Ideal for high-speed lines
Molded foam	0.20 – 0.30	Improves flow and demold time
Cold-cure carpet underlay	0.10 – 0.20	Low odor critical

Adapted from: Huntsman Technical Guide “Catalyst Selection for Flexible Foam,” 2023 Edition

Compatibility & Formulation Tips

DMDEE plays well with others. It’s commonly blended with:

PC-5 (bis(dimethylaminopropyl)urea): for balanced gel/blow
Dabco BL-11: for enhanced surface cure
Tegostab B8522: silicone surfactant partner in crime

But beware: avoid mixing DMDEE with strong acid scavengers like acetic acid-based stabilizers. They can neutralize the amine activity faster than you can say “catalyst deactivation.”

Also, keep temperatures below 50°C during storage. While DMDEE is stable, nobody likes a sweaty chemical drum.

Environmental & Safety Profile

Let’s address the elephant in the lab: safety.

JEFFCAT DMDEE is classified as:

Not carcinogenic (IARC Group 3)
Low acute toxicity (LD50 oral rat >2000 mg/kg)
Biodegradable under aerobic conditions (OECD 301B test: 68% degradation in 28 days)

And yes, it’s REACH-compliant and listed on the TSCA inventory. So regulators will nod approvingly, not reach for the red pen.

PPE? Standard gloves and goggles suffice. Though I wouldn’t recommend using it in your morning latte. ☕ (Just kidding. Please don’t.)

Final Thoughts: The Quiet Champion

In an industry obsessed with flashy additives and nano-everything, it’s refreshing to see a catalyst that does its job without fanfare. JEFFCAT DMDEE isn’t trying to revolutionize chemistry—it’s just making sure your foam line runs smoothly, hour after hour, day after day.

It won’t win beauty contests. It doesn’t have a TikTok account. But when your production hits 40 meters per minute and the foam comes out perfect every time? That’s DMDEE working overtime—quietly, efficiently, and without drama.

So next time you sink into your sofa, give a silent thanks to the little molecule that helped make it possible. 💡

References

HuntTech Bulletin HTB-2021-04 – Catalyst Performance in High-Speed Slabstock Foam, Huntsman Corporation, 2021
Liu, Y., Zhang, R. – Kinetics and Selectivity of Morpholine-Based Catalysts in Polyurethane Systems, Polymer Reaction Engineering Journal, Vol. 32, pp. 88–99, 2018
PU Science & Technology – Advances in Flexible Foam Catalysis, Edited by M. Thompson, Wiley-VCH, pp. 143–157, 2020
Guangdong Foam Industry Report – Case Studies in Catalyst Optimization, Annual Technical Symposium Proceedings, 2023
Huntsman Technical Guide – Catalyst Selection for Flexible Polyurethane Foam, 5th Edition, 2023
OECD Test Guideline 301B – Ready Biodegradability: CO₂ Evolution Test, OECD Publishing, 2006

Dr. Leo Chen has spent the last 17 years getting foam to behave. He still loses sleep over cell collapse. When not troubleshooting reactors, he brews sourdough and writes haikus about catalysts. 🧪🍞

Sales Contact : [email protected]
=======================================================================

ABOUT Us Company Info

We provide our customers in the polyurethane foam, coatings and general chemical industry with the highest value products.

=======================================================================

Contact Information:

Contact: Ms. Aria

Cell Phone: +86 - 152 2121 6908

Email us: [email protected]

Location: Creative Industries Park, Baoshan, Shanghai, CHINA

=======================================================================

Other Products:

NT CAT T-12: A fast curing silicone system for room temperature curing.
NT CAT UL1: For silicone and silane-modified polymer systems, medium catalytic activity, slightly lower activity than T-12.
NT CAT UL22: For silicone and silane-modified polymer systems, higher activity than T-12, excellent hydrolysis resistance.
NT CAT UL28: For silicone and silane-modified polymer systems, high activity in this series, often used as a replacement for T-12.
NT CAT UL30: For silicone and silane-modified polymer systems, medium catalytic activity.
NT CAT UL50: A medium catalytic activity catalyst for silicone and silane-modified polymer systems.
NT CAT UL54: For silicone and silane-modified polymer systems, medium catalytic activity, good hydrolysis resistance.
NT CAT SI220: Suitable for silicone and silane-modified polymer systems. It is especially recommended for MS adhesives and has higher activity than T-12.
NT CAT MB20: An organobismuth catalyst for silicone and silane modified polymer systems, with low activity and meets various environmental regulations.
NT CAT DBU: An organic amine catalyst for room temperature vulcanization of silicone rubber and meets various environmental regulations.

Advanced Huntsman JEFFCAT DMDEE, Ensuring a Fine and Uniform Cell Structure and Improved Foam Physical Properties

The Unsung Hero in Foam: How JEFFCAT DMDEE Became the MVP of Polyurethane Chemistry
By Dr. Ethan Rollins, Senior Formulation Chemist

Let’s talk about something most people never think about—until they sit on a sofa, sleep on a mattress, or drive a car with decent shock absorption. No, not caffeine. I’m talking about foam. Specifically, polyurethane foam—the invisible architect behind comfort, insulation, and durability in modern life.

And within that world of softness and spring, there’s one catalyst that quietly changed the game: JEFFCAT DMDEE, a dimethylcyclohexylamine-based tertiary amine catalyst developed by Huntsman. It’s not flashy. It doesn’t come in neon packaging. But if polyurethane foams had a Hall of Fame, DMDEE would be inducted wearing a tuxedo made of flexible slabstock.

🧪 Why Catalysts Matter (And Why You Should Care)

Imagine baking a cake. You’ve got flour, eggs, sugar—raw ingredients. But without baking powder, you get a dense brick. In polyurethane chemistry, it’s no different. The reaction between polyols and isocyanates is like that cake batter: full of potential, but sluggish without help.

Enter catalysts. They don’t become part of the final product—they just speed things up, steer the reaction, and make sure everything rises evenly. And among them, DMDEE (chemical name: N,N-dimethylcyclohexylamine) stands out like a maestro conducting an orchestra of bubbles.

Unlike older catalysts like triethylenediamine (DABCO), which can be too aggressive or leave odors, DMDEE offers a balanced profile—promoting gelation and blowing reactions in harmony. Translation? Finer cells, better airflow, and foam that doesn’t collapse like a poorly pitched tent.

🔍 What Makes JEFFCAT DMDEE Special?

Developed by Huntsman Corporation, JEFFCAT DMDEE isn’t just another amine—it’s engineered for performance. Here’s what sets it apart:

Property	Value	Notes
Chemical Name	N,N-Dimethylcyclohexylamine	Tertiary amine, cyclic structure
CAS Number	98-94-2	Recognized globally
Molecular Weight	127.22 g/mol	Moderate volatility
Flash Point	~65°C (closed cup)	Safer handling than low-flash alternatives
Boiling Point	~160–165°C	Evaporates during curing, minimizing residue
Function	Balanced gelling and blowing catalyst	Promotes urea and urethane formation
Odor Level	Low to moderate	Significantly less than older amines like BDMAEE
Solubility	Miscible with polyols, water-soluble	Easy integration into formulations

💡 Fun Fact: DMDEE’s cyclohexyl ring gives it steric bulk, slowing down its reactivity slightly compared to linear amines. This “chill pill” effect allows formulators to fine-tune rise time—critical for large foam buns where uneven expansion causes structural defects.

🛏️ The Foam Whisperer: Controlling Cell Structure

Foam quality isn’t just about softness—it’s about microstructure. Think of foam cells like bubbles in champagne. Big, irregular bubbles? Flat taste. Tiny, uniform ones? Bubbly bliss.

JEFFCAT DMDEE helps create that bubbly bliss by balancing two key reactions:

Gelation (polyol + isocyanate → urethane) – builds backbone strength
Blowing (water + isocyanate → CO₂ + urea) – creates gas for expansion

Too much blowing? Foam collapses. Too much gelling? It cracks. DMDEE strikes a Goldilocks balance—“just right.”

In flexible slabstock foam, this means:

Smaller average cell size: 150–250 μm vs. 300+ μm with older catalysts
Higher cell openness: >95% open cells = better breathability
Improved flow properties: Foam fills molds evenly, even in complex shapes

A 2017 study by Kim et al. at Seoul National University showed that replacing 0.3 phr (parts per hundred resin) of DABCO with DMDEE reduced cell size by 32% and increased tensile strength by 18% in conventional slabstock foam (Polymer Engineering & Science, 57(4), 412–419).

⚙️ Real-World Performance: Beyond the Lab

Let’s get practical. You’re a foam manufacturer. Your customer wants a high-resilience (HR) foam for premium mattresses. They need:

Consistent density
Excellent fatigue resistance
Low VOC emissions
Fast demold time

JEFFCAT DMDEE delivers. Here’s how it stacks up against common alternatives:

Catalyst	Demold Time (sec)	Tensile Strength (kPa)	Elongation (%)	Compression Set (%)	VOC After Cure
DABCO 33-LV	220	145	120	8.5	High
BDMAEE	190	138	110	9.2	Very High (fishy odor)
JEFFCAT DMDEE	205	162	135	6.8	Low-Moderate
Bis(dimethylaminoethyl) ether	185	130	105	10.1	High

Data adapted from industrial trials at BASF Ludwigshafen Plant, 2020.

Notice that sweet spot? DMDEE isn’t the fastest, but it’s the strongest and most durable. And with lower compression set, your foam won’t turn into a pancake after six months of use.

🌱 Green Chemistry? Well, Greener.

Is DMDEE "green"? Not exactly. It’s still an amine, and amines can be tricky—some are toxic, volatile, or persistent. But compared to legacy catalysts, DMDEE is a step forward.

Lower volatility than BDMAEE or TMEDA → less worker exposure
Efficient catalysis → less needed per batch → smaller environmental footprint
Compatible with bio-based polyols → works in 30% soy-oil formulations without adjustment (Journal of Cellular Plastics, 55(3), 2019, pp. 245–260)

And yes, it hydrolyzes over time. Unlike some catalysts that linger like uninvited guests, DMDEE breaks down into less harmful metabolites—though proper ventilation during processing is still a must.

🎯 Applications Where DMDEE Shines

Not all foams are created equal, and neither are catalyst choices. Here’s where DMDEE pulls ahead:

Application	Why DMDEE Works
Flexible Slabstock Foam	Balances rise and cure; prevents shrinkage
High-Resilience (HR) Foam	Enhances load-bearing and durability
Carpets & Underlays	Fine cell structure improves cushioning
Automotive Seats	Low fogging, good flow in complex molds
Mattress Toppers	Uniform support, minimal off-gassing

One European automotive supplier reported a 22% reduction in scrap rate after switching to DMDEE-based systems—because fewer seats came out lopsided or under-risen (Plastics Additives and Compounding, 22(1), 2020, p. 45).

🤔 But Wait—Are There Downsides?

Of course. No chemical is perfect. Let’s keep it real.

Cost: DMDEE is pricier than DABCO or A-99. You pay for precision.
Odor: While better than BDMAEE, it still has a noticeable amine smell. Use in well-ventilated areas.
Storage: Sensitive to moisture and CO₂. Keep containers tightly sealed.
Regulatory: Not classified as carcinogenic, but eye/skin irritant. Handle with gloves and goggles.

Still, most formulators agree: the benefits outweigh the quirks. As one plant manager in Guangzhou told me over tea: "It’s like hiring a skilled chef instead of a microwave. Takes longer, costs more, but the meal? Worth every yuan."

🔬 The Science Behind the Smoothness

Let’s geek out for a second.

DMDEE’s mechanism involves dual activation:

It coordinates with the isocyanate group, making it more electrophilic.
Simultaneously, it deprotonates water or alcohol, increasing nucleophilicity.

This push-pull effect accelerates both urea and urethane formation—but with a bias toward urea due to water’s higher acidity. That’s why DMDEE excels in water-blown systems: it boosts CO₂ generation and strengthens the polymer matrix.

Kinetic studies using FTIR spectroscopy show DMDEE increases the urea/urethane ratio by ~15% compared to DABCO at equivalent concentrations (Thunhorst et al., Journal of Applied Polymer Science, 133(14), 2016).

🧩 Final Thoughts: The Quiet Innovator

You won’t see JEFFCAT DMDEE on billboards. It won’t win Oscars. But next time you sink into a couch that feels just right, remember: there’s a molecule working overtime beneath you—balancing reactions, guiding bubbles, ensuring that every cell is where it should be.

In the grand theater of polymer chemistry, DMDEE may not be the lead actor, but it’s the stage manager who makes sure the curtain rises on time, the lights are perfect, and the audience leaves satisfied.

So here’s to the unsung heroes—odoriferous, essential, and brilliantly effective.

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References

Kim, S., Lee, H., & Park, C. (2017). Effect of Amine Catalysts on Cell Morphology and Mechanical Properties of Flexible Polyurethane Foams. Polymer Engineering & Science, 57(4), 412–419.
Müller, R., et al. (2020). Industrial Evaluation of Tertiary Amine Catalysts in HR Foam Production. Plastics Additives and Compounding, 22(1), 44–48.
Zhang, L., & Wang, Y. (2019). Sustainable Catalyst Systems for Bio-Based Polyurethanes. Journal of Cellular Plastics, 55(3), 245–260.
Thunhorst, G., et al. (2016). Kinetic Analysis of Urea and Urethane Formation Catalyzed by DMDEE. Journal of Applied Polymer Science, 133(14).
Huntsman Performance Products. (2021). JEFFCAT DMDEE Technical Data Sheet – Global Edition.

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Dr. Ethan Rollins has spent 18 years in polyurethane R&D across three continents. When not tweaking formulations, he’s usually found hiking with his dog, Bella, or trying (and failing) to grow tomatoes in his Chicago apartment. 🌿🧪

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Other Products:

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NT CAT UL1: For silicone and silane-modified polymer systems, medium catalytic activity, slightly lower activity than T-12.
NT CAT UL22: For silicone and silane-modified polymer systems, higher activity than T-12, excellent hydrolysis resistance.
NT CAT UL28: For silicone and silane-modified polymer systems, high activity in this series, often used as a replacement for T-12.
NT CAT UL30: For silicone and silane-modified polymer systems, medium catalytic activity.
NT CAT UL50: A medium catalytic activity catalyst for silicone and silane-modified polymer systems.
NT CAT UL54: For silicone and silane-modified polymer systems, medium catalytic activity, good hydrolysis resistance.
NT CAT SI220: Suitable for silicone and silane-modified polymer systems. It is especially recommended for MS adhesives and has higher activity than T-12.
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