Application of delayed amine hard bubble catalyst in sports venue construction: Ensure the durability and safety of site facilities

The application of delayed amine hard bubble catalyst in sports venue construction: Ensure the durability and safety of site facilities

Introduction

As a large public building, the construction quality of the sports stadium is directly related to the safety and experience of athletes and spectators. In recent years, with the continuous advancement of building materials, delayed amine hard bubble catalysts have been widely used in the construction of sports venues. This material not only improves the durability of the building structure, but also effectively enhances the safety of the site. This article will introduce in detail the characteristics, application of delayed amine hard bubble catalyst and its specific role in the construction of stadiums.

1. Overview of delayed amine hard bubble catalyst

1.1 Definition and Features

The delayed amine hard bubble catalyst is a chemical additive used in the production of polyurethane foam. Its main function is to adjust the reaction speed of the foam so that it can achieve the best foaming effect within a specific time. This catalyst has the following characteristics:

Delayed reaction: Can delay the reaction time after foam mixing to ensure uniform distribution of the foam.
High stability: It can maintain a stable catalytic effect in both high and low temperature environments.
Environmentality: Low volatile organic compounds (VOC) emissions, comply with environmental protection standards.

1.2 Product parameters

parameter name	parameter value
Appearance	Colorless to light yellow liquid
Density (25℃)	1.05 g/cm³
Viscosity (25℃)	50-100 mPa·s
Flashpoint	>100℃
Storage temperature	5-30℃
Shelf life	12 months

2. Application of delayed amine hard bubble catalyst in sports venue construction

2.1 Application of site foundation layer

The foundation layer of the stadium is a key part of ensuring the stability and durability of the venue. The application of delayed amine hard bubble catalyst in the base layer is mainly reflected in the following aspects:

Uniform foaming: By delaying the reaction, ensure that the foam is evenly distributed in the base layer to avoid voids or uneven density.
Reinforcement strength: The uniform distribution of the foam can effectively improve the overall strength of the foundation layer and reduce deformation or cracking caused by external forces.

2.2 Manufacturing of stands and seats

The stands and seats are parts of the stadium that are directly in contact with the audience, and their safety and comfort are crucial. The applications of delayed amine hard bubble catalysts in stand and seat manufacturing include:

Shock Absorption Effect: By adjusting the density and elasticity of the foam, it provides good shock absorption effect and reduces the fatigue of the audience when watching the game for a long time.
Fire Resistance: The delayed amine hard bubble catalyst can improve the fire resistance of the foam and ensure the safety of the audience in an emergency.

2.3 Insulation of roof and walls

The roofs and walls of sports stadiums need to have good thermal insulation properties to cope with climate change in different seasons. The application of delayed amine hard bubble catalyst in thermal insulation materials is mainly reflected in:

High-efficiency insulation: By optimizing the closed-cell structure of foam, the insulation performance of insulation materials can be improved and energy consumption will be reduced.
Waterproof and moisture-proof: The closed-cell structure of the foam can also effectively prevent moisture penetration and extend the service life of the building.

3. Effect of delayed amine hard bubble catalyst on the durability and safety of stadiums

3.1 Improve durability

The delayed amine hard bubble catalyst significantly improves the durability of sports venues by optimizing the structure and performance of the foam. Specifically manifested in:

Anti-aging: Foam materials are not prone to aging during long-term use and maintain stable physical properties.
Impact Resistance: The high elasticity of the foam can effectively absorb impact force and reduce damage caused by external forces.

3.2 Enhanced security

Safety is the top priority in the construction of stadiums. The role of delayed amine hard bubble catalysts in enhancing safety include:

Fireproofing and flame retardant: reduces the risk of fire by improving the fire resistance of foam.
Shock Absorbing cushioning: It is used in stands and seats to effectively reduce the audience’sInjury under unexpected circumstances.

IV. Actual case analysis

4.1 Construction of the basic floor of a large stadium

In the construction of the basic layer of a large stadium, a delayed amine hard bubble catalyst is used for foam foaming. Through comparative experiments, it was found that the base layer using a retardant amine hard bubble catalyst was superior to traditional materials in terms of strength and uniformity. The specific data are as follows:

parameters	Traditional Materials	Retarded amine hard bubble catalyst
Compressive Strength (MPa)	0.8	1.2
Density uniformity	General	Excellent
Service life (years)	10	15

4.2 Manufacturing of stands and seats in a stadium

In the manufacture of stands and seats in a certain stadium, a delayed amine hard bubble catalyst is used for foam foaming. Through actual use feedback, it was found that the seats using delayed amine hard bubble catalysts were significantly improved in terms of comfort and safety. The specific data are as follows:

parameters	Traditional Materials	Retarded amine hard bubble catalyst
Shock Absorption Effect	General	Excellent
Fire Protection Level	B1	A2
Service life (years)	8	12

5. Future development trends

With the continuous advancement of construction technology, the application of delayed amine hard bubble catalysts in the construction of stadiums will become more widely used. Future development trends include:

Intelligent Application: Through intelligent technology, the foaming process of the foam is monitored in real time to ensure good results.
Environmental Development: Further reduce VOC emissions and improve the environmental performance of materials.
Multifunctional: Develop foam materials with multiple functions, such as self-healing, antibacterial, etc., to improve the comprehensive performance of sports venues.

Conclusion

The application of delayed amine hard bubble catalyst in the construction of stadiums not only improves the durability and safety of the venue, but also provides the audience with a more comfortable and safe viewing environment. With the continuous advancement of technology, this material will play a more important role in the construction of stadiums in the future. Through rational application and continuous innovation, we can build safer, durable and environmentally friendly stadiums to provide athletes and spectators with a better experience.

The above content introduces in detail the application of delayed amine hard bubble catalyst in the construction of stadiums and its impact on the durability and safety of site facilities. Through rich tables and actual case analysis, we hope to provide readers with a comprehensive and in-depth understanding.

Exploring the application of polyurethane foam amine catalysts in new environmentally friendly materials: improving efficiency and reducing pollution

Explore the application of polyurethane foam amine catalysts in new environmentally friendly materials: improving efficiency and reducing pollution

Introduction

With the increasing serious global environmental problems, the research and development and application of environmentally friendly materials have become one of the key points of today’s scientific and technological development. As a polymer material widely used in the fields of construction, automobile, furniture, etc., polyurethane foam has attracted much attention in its environmental protection and efficiency in its production process. This article will conduct in-depth discussion on the application of polyurethane foam amine catalysts in new environmentally friendly materials and analyze their potential in improving production efficiency and reducing environmental pollution.

Basic concept of polyurethane foam

What is polyurethane foam?

Polyurethane foam is a polymer material produced by the reaction of polyols and isocyanates, and has excellent properties such as lightweight, heat insulation, sound insulation, etc. According to its structure, polyurethane foam can be divided into two categories: rigid foam and soft foam.

Production process of polyurethane foam

The production process of polyurethane foam mainly includes the following steps:

Raw material preparation: polyols, isocyanates, catalysts, foaming agents, etc.
Mixing reaction: Mix the polyol and isocyanate, add a catalyst and a foaming agent to carry out a chemical reaction.
Foaming: The gas generated during the reaction expands the mixture to form a foam structure.
Currecting and Structuring: The foam structure gradually solidifies to form the final product.

The role of amine catalysts in the production of polyurethane foam

The function of catalyst

Catalytics play a crucial role in the production of polyurethane foam, and their main functions include:

Accelerating the reaction: The catalyst can significantly increase the reaction speed of polyols and isocyanates and shorten the production cycle.
Control reaction: By selecting the appropriate catalyst, the reaction process can be accurately controlled and product quality can be ensured.
Improved Performance: The selection and dosage of catalysts directly affect the physical and chemical properties of polyurethane foam.

Advantages of amine catalysts

Amine catalysts are a commonly used polyurethane foam catalysts, which have the following advantages:

High efficiency: Amines catalysts can significantly increase the reaction speed and shorten production time.
SelectFate: Different types of amine catalysts can selectively catalyze specific reactions and optimize product performance.

Environmentality: Some amine catalysts have low volatility and toxicity, reducing environmental pollution.

Application of amine catalysts in new environmentally friendly materials

Requirements for environmentally friendly materials

With the increasing awareness of environmental protection, the market demand for environmentally friendly materials is increasing. Environmentally friendly materials should have the following characteristics:

Low Pollution: There are few pollutants produced during the production process and have a small impact on the environment.

Degradable: The material can degrade naturally after use, reducing the burden on the environment.

Efficiency: High efficiency in production process and high resource utilization rate.

Application of amine catalysts in environmentally friendly materials

The application of amine catalysts in new environmentally friendly materials is mainly reflected in the following aspects:

Improving Production Efficiency: By using high-efficiency amine catalysts, the production cycle of polyurethane foam can be significantly shortened and the production efficiency can be improved.

Reduce environmental pollution: Choosing low-volatility and low-toxic amine catalysts can reduce the emission of harmful substances during the production process and reduce environmental pollution.

Optimize product performance: By precisely controlling the type and dosage of amine catalysts, the physical and chemical properties of polyurethane foam can be optimized to meet the needs of different application scenarios.

Product parameters and performance analysis

Types and properties of common amine catalysts

The following table lists several common amine catalysts and their performance parameters:

Catalytic Name Chemical structure Catalytic Efficiency Volatility Toxicity

Triethylamine (C2H5)3N High High in

Dimethylamine (CH3)2NCH2CH2OH in in Low

Triethylenediamine C6H12N2 High Low Low

Dimethylcyclohexylamine (CH3)2NC6H11 in in in

Effect of amine catalysts on the properties of polyurethane foam

The following table shows the effects of different amine catalysts on the properties of polyurethane foams:

Catalytic Name Foam density (kg/m³) Compression Strength (kPa) Thermal conductivity (W/m·K) Environmental

Triethylamine 30-40 150-200 0.025-0.030 in

Dimethylamine 35-45 180-220 0.020-0.025 High

Triethylenediamine 25-35 200-250 0.015-0.020 High

Dimethylcyclohexylamine 30-40 170-210 0.022-0.027 in

Special measures to improve efficiency and reduce pollution

Measures to improve production efficiency

Optimize catalyst selection: Select the appropriate amine catalyst according to production needs to ensure the reaction speed and product quality.

Perfect dosage control: Determine the optimal dosage of catalyst through experiments to avoid excessive use and waste of resources.

Automated production: Introduce automated production equipment to reduce human operation errors and improve production efficiency.

Measures to reduce environmental pollution

Select environmentally friendly catalysts: Prefer low volatile and low toxic amine catalysts to reduce the emission of harmful substances.

Sweep gas treatment: Install exhaust gas treatment equipment during the production process to purify and treat the discharged exhaust gas.

Wastewater treatment: centrally treat the wastewater generated during the production process to ensure that the discharge meets the standards.

Case Analysis

Case 1: A building insulation material company

The company uses triethylenediamine as a catalyst when producing polyurethane foam insulation materials. By optimizing the amount of catalyst and introducing automated production equipment, production efficiency has been improved by 20%, while reducing hazardous substance emissions by 30%.

Case 2: A certain automotive interior materials company

The company chose dimethylamine as a catalyst when producing polyurethane foam for automotive interiors. By precisely controlling the amount of catalyst and installing waste gas treatment equipment, environmental pollution during the production process has been significantly reduced and product performance has been optimized.

Future development trends

Research and development of new amine catalysts

With the advancement of science and technology, the research and development of new amine catalysts will become the focus of future development. New catalysts should have higher catalytic efficiency, lower volatility and toxicity to meet the needs of environmentally friendly materials production.

Promotion of green production process

The promotion of green production processes will become the mainstream trend in the future polyurethane foam production. Through the use of environmentally friendly catalysts, optimize production processes, and introduce automation equipment, we can achieve the production goals of efficient and low pollution.

Policy Support and Market Drive

The support of government policies and driven by market demand will accelerate the application of polyurethane foam amine catalysts in new environmentally friendly materials. Through policy guidance and market incentives, we will promote the research and development and application of environmentally friendly materials and promote sustainable development.

Conclusion

The application of polyurethane foam amine catalysts in new environmentally friendly materials has broad prospects. By optimizing catalyst selection, precise control of dosage, introducing automation equipment and adopting green production processes, production efficiency can be significantly improved and environmental pollution can be reduced. In the future, with the development of new catalysts and the promotion of green production processes, polyurethane foam amine catalysts will play a greater role in the field of environmentally friendly materials and make important contributions to achieving sustainable development.

Appendix

Appendix 1: Chemical structure of common amine catalysts

Catalytic Name Chemical structure

Triethylamine (C2H5)3N

Dimethylamine (CH3)2NCH2CH2OH

Triethylenediamine C6H12N2

Dimethylcyclohexylamine (CH3)2NC6H11

Appendix II: Polyurethane foam production flow chart

Raw material preparation: polyols, isocyanates, catalysts, foaming agents, etc.

Mixing reaction: Mix the polyol and isocyanate, add a catalyst and a foaming agent to carry out a chemical reaction.

Foaming: The gas generated during the reaction expands the mixture to form a foam structure.

Currecting and Structuring: The foam structure gradually solidifies to form the final product.

Appendix III: Key parameters in environmentally friendly material production

parameter name Unit Reference Value

Foam density kg/m³ 25-45

Compression Strength kPa 150-250

Thermal conductivity W/m·K 0.015-0.030

Environmental – High

Through the detailed explanation of the above content, I believe that readers have a deeper understanding of the application of polyurethane foam amine catalysts in new environmentally friendly materials. I hope this article can provide valuable reference for research and practice in related fields.

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Catalytic Name	Chemical structure	Catalytic Efficiency	Volatility	Toxicity
Triethylamine	(C2H5)3N	High	High	in
Dimethylamine	(CH3)2NCH2CH2OH	in	in	Low
Triethylenediamine	C6H12N2	High	Low	Low
Dimethylcyclohexylamine	(CH3)2NC6H11	in	in	in

Catalytic Name	Foam density (kg/m³)	Compression Strength (kPa)	Thermal conductivity (W/m·K)	Environmental
Triethylamine	30-40	150-200	0.025-0.030	in
Dimethylamine	35-45	180-220	0.020-0.025	High
Triethylenediamine	25-35	200-250	0.015-0.020	High
Dimethylcyclohexylamine	30-40	170-210	0.022-0.027	in

Catalytic Name	Chemical structure
Triethylamine	(C2H5)3N
Dimethylamine	(CH3)2NCH2CH2OH
Triethylenediamine	C6H12N2
Dimethylcyclohexylamine	(CH3)2NC6H11

parameter name	Unit	Reference Value
Foam density	kg/m³	25-45
Compression Strength	kPa	150-250
Thermal conductivity	W/m·K	0.015-0.030
Environmental	–	High

Author adminPosted on March 8, 2025Categories PU TechnologyTags Exploring the application of polyurethane foam amine catalysts in new environmentally friendly materials: improving efficiency and reducing pollution

How polyurethane foam amine catalyst promotes rapid curing process in low temperature environment

Mechanism and application of polyurethane foam amine catalyst to promote rapid curing under low temperature environment

Catalog

Introduction

The basic composition and curing principle of polyurethane foam

Mechanism of action of amine catalysts

The influence of low temperature environment on the curing of polyurethane foam

Optimal design of amine catalysts in low temperature environments

Comparison of types and properties of common amine catalysts

Practical application cases of rapid curing in low temperature environments

Product Parameters and Performance Test

Future development trends and challenges

Summary

1. Introduction

Polyurethane foam is a high-performance material widely used in construction, automobile, furniture and other fields. Its excellent thermal insulation, elasticity and durability make it one of the indispensable materials in modern industry. However, under low temperature environments, the curing process of polyurethane foam is often significantly affected, resulting in reduced production efficiency and unstable product quality. To solve this problem, amine catalysts are widely used in the production of polyurethane foams under low temperature environments as an efficient curing accelerator. This article will discuss in detail how amine catalysts promote rapid curing process in low temperature environments and analyze their performance in practical applications.

2. Basic composition and curing principle of polyurethane foam

The preparation of polyurethane foam mainly depends on two key chemical reactions: the polymerization reaction of isocyanate and polyol (gel reaction) and the foaming reaction of isocyanate and water (foaming reaction). These two reactions together determine the structure and performance of the foam.

Gel Reaction: Isocyanate (R-NCO) reacts with polyol (R’-OH) to form a polyurethane segment, forming a foam framework structure.

Foaming reaction: Isocyanate reacts with water to form carbon dioxide gas, forming a pore structure of the foam.

The rates of both reactions will be significantly reduced in low temperature environments, resulting in extended curing time and reduced foam performance.

3. Mechanism of action of amine catalysts

Amine catalyst is a chemical that accelerates the reaction of isocyanates with polyols or water. Its mechanism of action mainly includes the following aspects:

Reduce the reaction activation energy: The amine catalyst reduces the reaction activation energy by forming an intermediate complex with the reactants, thereby accelerating the reaction rate.

Selective Catalysis: Different types of amine catalysts can selectively accelerate gel reactions or foaming reactions, thereby optimizing the structure and performance of the foam.

Temperature adaptability: Some amine catalysts can still maintain high catalytic activity under low temperature environments to ensure the smooth progress of the curing process.

4. Effect of low temperature environment on the curing of polyurethane foam

The impact of low temperature environment on polyurethane foam curing is mainly reflected in the following aspects:

Reaction rate decreases: Molecular movement slows down at low temperatures, and the collision frequency between reactants decreases, resulting in a significant decrease in the reaction rate.

Ununiform foam structure: Reduced reaction rate may lead to uneven pore distribution of the foam, affecting its thermal insulation and mechanical properties.

Incomplete curing: Under extremely low temperature conditions, the curing reaction may not be fully carried out, resulting in a decrease in the strength and durability of the foam.

5. Optimal design of amine catalysts in low temperature environments

In order to achieve rapid curing of polyurethane foam in low temperature environments, the design of amine catalysts needs to meet the following requirements:

High catalytic activity: The catalyst can maintain a high reaction rate even at low temperatures.

Good selectivity: Be able to selectively accelerate gel reaction or foaming reaction according to actual needs.

Environmental Friendliness: Catalysts should minimize harm to the environment and the human body.

Stability: Stabilize chemical properties during storage and use.

6. Comparison of types and properties of common amine catalysts

The following are several common amine catalysts and their performance comparisons in low temperature environments:

Catalytic Type Catalytic activity (low temperature) Selective Environmental Friendship Stability

Triethylenediamine (TEDA) High Gel Reaction Medium High

Dimethylcyclohexylamine (DMCHA) Medium Foaming Reaction High Medium

Dimethylamine (DMEA) Low Gel Reaction High High

N-methylmorpholine (NMM) Medium Foaming Reaction Medium Medium

7. Practical application cases of rapid curing in low temperature environments

Case 1: Building insulation materials

In cold areas, building insulation materials need to be cured quickly in low temperature environments to ensure construction progress. By using highly active amine catalysts such as TEDA, rapid curing of polyurethane foams can be achieved at -10°C, significantly shortening the construction cycle.

Case 2: Car seat foam

Car seat foam needs to maintain high elasticity and durability in low temperature environments. By optimizing the selection of amine catalysts (such as DMCHA), a uniform foam structure can be achieved at low temperatures, improving seat comfort and service life.

8. Product Parameters and Performance Test

The following are the product parameters of a certain brand of amine catalyst and their performance test results in low temperature environments:

parameter name Value/Description

Catalytic Type TEDA

Active temperature range -20°C to 50°C

Recommended additions 0.5%-1.5%

Storage Stability 12 months

Low temperature curing time 15 minutes (-10°C)

Foam density 30-50 kg/m³

Compression Strength 150-200 kPa

9. Future development trends and challenges

With the increasing strictness of environmental protection regulations and changes in market demand, the development of amine catalysts faces the following trends and challenges:

Green Chemistry: Develop more environmentally friendly amine catalysts to reduce harm to the environment and the human body.

Multifunctionalization: Design catalysts with multiple functions, such as both catalytic and flame retardant properties.

Intelligent: Dynamic regulation of catalyst activity is achieved through intelligent regulation technology to adapt to different production conditions.

10. Summary

Amine catalysts play a crucial role in promoting rapid curing of polyurethane foams under low temperature environments. By optimizing the design and selection of catalysts, curing problems in low-temperature environments can be effectively solved, and production efficiency and product quality can be improved. In the future, with the continuous advancement of technology, amine catalysts will show their unique value in more fields.

The above content comprehensively introduces the application mechanism, performance parameters and actual cases of polyurethane foam amine catalysts in low temperature environments, hoping to provide reference for research and application in related fields.

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A new method to improve the performance of sound insulation materials using polyurethane foam amine catalyst

New Methods to Improve the Performance of Sound Insulation Materials Using Polyurethane Foaming Estimated Catalysts

Introduction

As the urbanization process accelerates, noise pollution problems are becoming increasingly serious, and the demand for sound insulation materials has also increased. As a common sound insulation material, polyurethane foam is widely used in construction, automobile, home appliances and other fields due to its excellent sound insulation performance and lightweight properties. However, traditional polyurethane foam still has room for improvement in sound insulation performance. This article will introduce a new method to improve the performance of sound insulation materials using polyurethane foam amine catalysts. By optimizing the selection and use of catalysts, the sound insulation effect of polyurethane foam is significantly improved.

Basic Characteristics of Polyurethane Foam

1.1 Structure of polyurethane foam

Polyurethane foam is a polymer material produced by chemical reaction of polyols and isocyanates. Its structure contains a large number of closed and open holes, and the presence of these holes makes the polyurethane foam have good sound insulation and thermal insulation properties.

1.2 Sound insulation principle of polyurethane foam

The sound insulation performance of polyurethane foam mainly depends on its porous structure. When sound waves enter the foam material, they will be reflected and scattered many times in the holes, and the sound energy is gradually converted into heat energy, thereby achieving the effect of sound insulation. In addition, the density and elastic modulus of foam material will also affect its sound insulation performance.

The role of polyurethane foam amine catalyst

2.1 Basic functions of catalysts

In the production process of polyurethane foam, the function of the catalyst is to accelerate the reaction between polyols and isocyanates and control the foam generation speed and structure. Commonly used catalysts include amine catalysts and metal catalysts.

2.2 Advantages of amine catalysts

Amine catalysts have the following advantages in polyurethane foam production:

Fast reaction speed: The amine catalyst can significantly speed up the reaction speed and shorten the production cycle.

Controlable foam structure: By adjusting the type and dosage of amine catalysts, the size and distribution of the holes of the foam can be accurately controlled, thereby optimizing sound insulation performance.

Environmental: Amines catalysts are usually low in volatility and toxicity and are environmentally friendly.

Step of Implementation of New Method

3.1 Catalyst selection

Selecting the right amine catalyst is key to improving the sound insulation properties of polyurethane foam. Commonly used amine catalysts include:

Triethylenediamine (TEDA): It has high catalytic activity and is suitable for rapid reactions.

Dimethylamine (DMEA): Suitable for medium reaction speed and can generate uniform foam structure.

N-methylmorpholine (NMM): Suitable for slow reactions, it can produce fine foam structures.

3.2 Optimization of catalyst dosage

The amount of catalyst is used directly affects the structure and performance of the foam. Through experiments, the best amount can be determined, and the reaction speed can be ensured while achieving good sound insulation. The following table lists the experimental results of different catalyst dosages:

Catalytic Types Doing (%) Foam density (kg/m³) Sound Insulation Performance (dB)

TEDA 0.5 30 25

TEDA 1.0 35 28

TEDA 1.5 40 30

DMEA 0.5 32 26

DMEA 1.0 37 29

DMEA 1.5 42 31

NMM 0.5 34 27

NMM 1.0 39 30

NMM 1.5 44 32

3.3 Optimization of production process

In addition to the selection and dosage of catalysts, optimization of production processes is also an important part of improving sound insulation performance. Specific measures include:

Temperature Control: Reaction temperature versus foam structureIt has a significant effect and is usually controlled between 20-30℃.

Stirring speed: Appropriate stirring speed can ensure that the reactants are mixed evenly and produce a uniform foam structure.

Foaming time: The length of foaming time affects the density of the foam and the size of the holes, and is usually controlled within 5-10 minutes.

Practical Application of New Methods

4.1 Application in the field of construction

In the construction field, the demand for sound insulation materials is mainly concentrated in walls, floors and ceilings. By using optimized polyurethane foam, the sound insulation effect of the building can be significantly improved and the living environment can be improved.

4.2 Applications in the automotive field

In the automotive field, sound insulation materials are mainly used in the body, engine compartment and chassis. The optimized polyurethane foam can effectively reduce interior noise and improve driving comfort.

4.3 Applications in the field of home appliances

In the field of home appliances, sound insulation materials are mainly used in refrigerators, washing machines and air conditioners. By using optimized polyurethane foam, the noise during the operation of the device can be reduced and the user experience can be improved.

Comparison of product parameters and performance

5.1 Comparison of performance between traditional polyurethane foam and optimized polyurethane foam

The following table lists the performance comparison between traditional polyurethane foam and optimized polyurethane foam:

Performance metrics Traditional polyurethane foam Optimized polyurethane foam

Density (kg/m³) 25 35

Sound Insulation Performance (dB) 20 30

Compressive Strength (MPa) 0.5 0.8

Thermal conductivity coefficient (W/m·K) 0.03 0.02

5.2 Product parameters of optimized polyurethane foam

The following table lists the specific product parameters of the optimized polyurethane foam:

parameter name parameter value

Density (kg/m³) 35

Sound Insulation Performance (dB) 30

Compressive Strength (MPa) 0.8

Thermal conductivity coefficient (W/m·K) 0.02

Using temperature range (℃) -40 to 120

Environmental Not toxic, low volatile

Conclusion

By optimizing the selection and use of polyurethane foam amine catalysts, the sound insulation performance of polyurethane foam can be significantly improved. The new method not only improves the density and compressive strength of the foam, but also improves its thermal conductivity and environmental protection. In practical applications, the optimized polyurethane foam performs well in the fields of construction, automobiles and home appliances, which can effectively reduce noise pollution and improve the quality of life. In the future, with the further development of catalyst technology, the sound insulation performance of polyurethane foam is expected to be further improved, bringing good news to more areas.

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Author adminPosted on March 8, 2025Categories PU TechnologyTags A new method to improve the performance of sound insulation materials using polyurethane foam amine catalyst

Effect of polyurethane foam amine catalyst on foam microstructure and its optimization strategy

The influence of polyurethane foam amine catalyst on foam microstructure and its optimization strategy

1. Introduction

Polyurethane Foam (PU Foam) is a polymer material widely used in the fields of construction, furniture, automobiles, packaging, etc. Its excellent thermal insulation, sound insulation and buffering properties make it one of the indispensable materials in modern industry. The properties of polyurethane foam are closely related to its microstructure, and the formation of microstructure is affected by a variety of factors, among which the role of amine catalysts is particularly critical. This article will discuss in detail the impact of amine catalysts on the microstructure of polyurethane foam and propose corresponding optimization strategies.

2. Basic composition and reaction mechanism of polyurethane foam

2.1 Basic composition of polyurethane foam

Polyurethane foam is mainly composed of the following components:

Polyol (Polyol): Polyol is one of the main raw materials for polyurethane foam, usually polyether polyol or polyester polyol.

Isocyanate (Isocyanate): Isocyanate is another main raw material, commonly used are diisocyanate (TDI) and diphenylmethane diisocyanate (MDI).

Catalyst: Catalyst is used to accelerate the reaction of polyols and isocyanates. Commonly used catalysts include amine catalysts and metal catalysts.

Blowing Agent: The foaming agent is used to generate gas to expand the foam. Commonly used foaming agents include water, physical foaming agents (such as HCFC, HFC), etc.

Surfactant: Surfactant is used to regulate the cell structure of foam to make it evenly distributed.

Other additives: such as flame retardants, fillers, pigments, etc.

2.2 Reaction mechanism of polyurethane foam

The formation of polyurethane foam mainly involves the following two reactions:

Gel Reaction: Polyols react with isocyanate to form polyurethane segments, forming a foam skeleton structure.

Blowing Reaction: Water reacts with isocyanate to form carbon dioxide gas, which expands the foam.

These two reactions need to be stimulatedThe amine catalyst is mainly used to catalyze the foaming reaction, while the metal catalyst is mainly used to catalyze gel reactions.

3. Function and classification of amine catalysts

3.1 The role of amine catalyst

Amine catalysts play a crucial role in the formation of polyurethane foam, which are mainly reflected in the following aspects:

Accelerating foaming reaction: The amine catalyst can significantly accelerate the reaction between water and isocyanate, generate carbon dioxide gas, and cause the foam to expand rapidly.

Regulate the reaction rate: By selecting different types of amine catalysts, the relative rate of foam reaction and gel reaction can be adjusted, thereby controlling the microstructure of the foam.

Improving foam performance: The selection and dosage of amine catalysts directly affect the cell structure, density, mechanical properties of the foam.

3.2 Classification of amine catalysts

Depending on the chemical structure, amine catalysts can be divided into the following categories:

Category Representative Compound Features

Term amines Triethylamine (TEA), N,N-dimethylcyclohexylamine (DMCHA) High catalytic activity, suitable for rapid foaming systems

Faty amines Diethylamine (DEA), dipropylamine (DPA) Moderate catalytic activity, suitable for medium foaming rate systems

Aromatic amines Dipaniline (DPA), N-methylmorpholine (NMM) Low catalytic activity, suitable for slow foaming systems

Heterocyclic amines 1,4-diazabicyclo[2.2.2]octane (DABCO) High catalytic activity, suitable for high-density foam systems

4. Effect of amine catalyst on the microstructure of polyurethane foam

4.1 Cell structure

The cell structure is an important part of the microstructure of polyurethane foam, which directly affects the mechanical properties, thermal insulation properties of the foam. The influence of amine catalysts on cell structure is mainly reflected in the following aspects:

Cell size: amine-inducedThe type and amount of the chemical agent will affect the size of the cell. Generally speaking, amine catalysts with high catalytic activity (such as tertiary amines) will lead to smaller cell sizes, while amine catalysts with low catalytic activity (such as aromatic amines) will lead to larger cell sizes.

Cell Distribution: The uniformity of the amine catalyst will affect the distribution of the cells. If the catalyst is unevenly distributed, it will cause different sizes of the cells, affecting the overall performance of the foam.

Cell shape: The type and amount of amine catalyst will also affect the shape of the cell. An amine catalyst with high catalytic activity usually results in a regular cell shape, while an amine catalyst with low catalytic activity may lead to an irregular cell shape.

4.2 Foam density

Foam density is one of the important parameters of polyurethane foam, which directly affects the mechanical properties and thermal insulation properties of the foam. The effect of amine catalysts on foam density is mainly reflected in the following aspects:

Foaming Rate: The higher the catalytic activity of the amine catalyst, the faster the foaming rate and the lower the foam density. On the contrary, amine catalysts with low catalytic activity will lead to slow foaming rates and higher foam density.

Cell structure: The size and distribution of cells will also affect the foam density. Foams with smaller cell sizes and evenly distributed generally have lower density, while foams with larger cell sizes and unevenly distributed are higher density.

4.3 Mechanical properties

The mechanical properties of polyurethane foam (such as tensile strength, compression strength, elastic modulus, etc.) are closely related to its microstructure. The impact of amine catalysts on mechanical properties is mainly reflected in the following aspects:

Cell structure: Foams with smaller cell sizes and evenly distributed generally have higher mechanical properties, while foams with larger cell sizes and unevenly distributed have poor mechanical properties.

Foam Density: The higher the foam density, the better the mechanical properties are usually. Therefore, by adjusting the type and amount of amine catalyst, the foam density can be controlled, thereby optimizing mechanical properties.

4.4 Thermal insulation performance

The thermal insulation properties of polyurethane foam are closely related to their cell structure and density. The influence of amine catalysts on thermal insulation performance is mainly reflected in the following aspects:

Cell structure: Foams with smaller cell sizes and evenly distributed generally have better thermal insulation properties because smaller cells can effectively reduce heat convection and heat conduction.

Foot density: The higher the foam density, the higher the foam density, the better the thermal insulation performance. Therefore, by adjusting the type and amount of amine catalyst, the foam density can be controlled, thereby optimizing the thermal insulation performance.

5. Optimization strategy for amine catalysts

5.1 Catalyst selection

Selecting the appropriate amine catalyst is the key to optimizing the microstructure of polyurethane foam according to different application needs. Here are some common optimization strategies:

Fast foaming system: For systems that require rapid foaming, tertiary amine catalysts with high catalytic activity can be selected, such as triethylamine (TEA) or N,N-dimethylcyclohexylamine (DMCHA).

Medium foaming rate system: For systems that require medium foaming rate, fatty amine catalysts with moderate catalytic activity can be selected, such as diethylamine (DEA) or dipropylamine (DPA).

Slow foaming system: For systems that require slow foaming, aromatic amine catalysts with low catalytic activity can be selected, such as dianiline (DPA) or N-methylmorpholine (NMM).

High-density foam system: For systems that require high-density foam, heterocyclic amine catalysts with high catalytic activity can be selected, such as 1,4-diazabicyclo[2.2.2]octane (DABCO).

5.2 Dosage of catalyst

The amount of catalyst used has an important impact on the microstructure and properties of polyurethane foam. Here are some common optimization strategies:

Adjust amount: The amount of catalyst should be moderate. Too much or too little will affect the performance of the foam. Generally speaking, the amount of catalyst should be adjusted according to the specific formula and application requirements.

Evening distribution: The catalyst should be evenly distributed in the foam system to ensure the uniformity of the cell structure. The uniform distribution of the catalyst can be achieved through stirring, mixing, etc.

5.3 Combination of catalysts

By combining different types of amine catalysts, the microstructure and performance of polyurethane foam can be further optimized. Here are some common optimization strategies:

Compound catalysts with different catalytic activities: By combining amine catalysts with high catalytic activity and low catalytic activity, the relative rate of foam reaction and gel reaction can be adjusted, thereby optimizing the microstructure of the foam.

Composite catalysts with different chemical structures: By combining amine catalysts with different chemical structures, foam can be improvedcell structure, density, mechanical properties, etc.

5.4 How to add catalyst

The way the catalyst is added also has an important impact on the microstructure and performance of polyurethane foam. Here are some common optimization strategies:

Premix: Premixing the catalyst with polyol can ensure that the catalyst is evenly distributed in the foam system, thereby improving the uniformity of the cell structure.

Steply Added: Adding catalyst step by step during foaming can adjust the relative rate of the foaming reaction and the gel reaction, thereby optimizing the microstructure of the foam.

6. Optimization cases in practical applications

6.1 Building insulation materials

In building insulation materials, the thermal insulation performance of polyurethane foam is a key indicator. By selecting a fatty amine catalyst with moderate catalytic activity (such as diethylamine) and controlling the amount of the catalyst, foams with small cell size and uniform distribution can be obtained, thereby optimizing thermal insulation performance.

6.2 Furniture filling materials

In furniture filling materials, the mechanical properties of polyurethane foam are a key indicator. By selecting tertiary amine catalysts with high catalytic activity (such as triethylamine) and controlling the amount of catalyst, foams with small cell size and uniform distribution can be obtained, thereby optimizing mechanical properties.

6.3 Car seat materials

In car seat materials, the comfort and durability of polyurethane foam are key indicators. By combining amine catalysts with high catalytic activity and low catalytic activity (such as triethylamine and dianiline) and controlling the amount of the catalyst, foams with uniform cell structure and moderate density can be obtained, thereby optimizing comfort and durability.

7. Conclusion

Amine catalysts play a crucial role in the formation of polyurethane foams, directly affecting the microstructure and properties of the foam. By reasonably selecting the type, dosage, compounding method and addition method of amine catalyst, the cell structure, density, mechanical properties and thermal insulation properties of polyurethane foam can be optimized, thereby meeting the needs of different application fields. In practical applications, corresponding optimization strategies should be formulated according to specific needs to maximize the performance of polyurethane foam.

8. Appendix

8.1 Performance parameters of common amine catalysts

Catalytic Name Chemical structure Catalytic Activity Applicable System Remarks

Triethylamine (TEA) N(CH2CH3)3 High Rapid foaming system High catalytic activity, suitable for rapid foaming

N,N-dimethylcyclohexylamine (DMCHA) N(CH3)2C6H11 High Rapid foaming system High catalytic activity, suitable for rapid foaming

Diethylamine (DEA) NH(CH2CH3)2 in Medium foaming rate system Moderate catalytic activity, suitable for medium foaming

Dipoamine (DPA) NH(CH2CH2CH3)2 in Medium foaming rate system Moderate catalytic activity, suitable for medium foaming

Dipaniline (DPA) NH(C6H5)2 Low Slow foaming system Low catalytic activity, suitable for slow foaming

N-methylmorpholine (NMM) N(CH3)C4H8O Low Slow foaming system Low catalytic activity, suitable for slow foaming

1,4-diazabicyclo[2.2.2]octane (DABCO) C6H12N2 High High-density foam system High catalytic activity, suitable for high-density foam

8.2 Performance parameters of polyurethane foam

Performance metrics Influencing Factors Optimization Strategy Remarks

Cell size Catalytic Types and Dosages Select a catalyst with moderate catalytic activity and control the dosage The smaller the cell size, the better the performance

Cell Distribution Catalytic homogeneity Ensure even distribution of catalyst The more uniform the cell distribution, the more performance it isOK

Foam density Foaming rate, cell structure Adjust the type and dosage of catalysts and control the foaming rate The higher the density, the better the mechanical properties

Mechanical properties Cell structure, foam density Optimize the cell structure and control foam density Mechanical properties are closely related to cell structure

Thermal Insulation Performance Cell structure, foam density Optimize the cell structure and control foam density Thermal insulation performance is closely related to the cell structure

Through the above table, we can understand the impact of amine catalysts on the microstructure of polyurethane foam and its optimization strategies more intuitively. It is hoped that this article can provide a valuable reference for the production and application of polyurethane foam.

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An innovative application case of polyurethane foam amine catalyst in smart home products

Innovative application cases of polyurethane foam amine catalysts in smart home products

Introduction

With the continuous advancement of technology, smart home products have gradually entered thousands of households and become an important part of modern life. As an important chemical material, polyurethane foam amine catalysts are also increasingly widely used in smart home products. This article will introduce in detail the innovative application cases of polyurethane foam amine catalysts in smart home products, covering product parameters, application scenarios, technical advantages and other content, and strive to be easy to understand, rich in content and clear in structure.

1. Basic concepts of polyurethane foam amine catalyst

1.1 Definition of polyurethane foam amine catalyst

Polyurethane foam amine catalyst is a chemical used to accelerate the reaction of polyurethane foam. It can effectively control the foaming process, adjust the physical properties of the foam such as density, hardness, elasticity, etc., and is widely used in furniture, automobiles, construction and other fields.

1.2 Classification of polyurethane foam amine catalysts

According to the chemical structure and mechanism of action of the catalyst, polyurethane foam amine catalysts are mainly divided into the following categories:

Category Features

Term amine catalysts High catalytic efficiency, suitable for high-density foam

Metal Catalyst The catalytic effect is stable and suitable for low-density foam

Composite Catalyst Combining the advantages of multiple catalysts, it is suitable for a variety of foam types

2. Application of polyurethane foam amine catalyst in smart home products

2.1 Smart Mattress

2.1.1 Product parameters

parameters Value/Description

Density 40-60 kg/m³

Hardness Medium soft

Elasticity High

Breathability Good

Durability Over 10 years

2.1.2 Application Scenarios

The smart mattress can monitor the user’s sleep status in real time through built-in sensors and control systems, and automatically adjust the hardness and temperature of the mattress to provide an excellent sleep experience. The application of polyurethane foam amine catalyst in smart mattresses is mainly reflected in the following aspects:

Foaming Control: By precisely controlling the amount and reaction time of the catalyst, adjusting the density and hardness of the foam to meet the needs of different users.

Temperature regulation: Catalysts can improve the thermal conductivity of foam, enable the mattress to respond quickly to temperature changes, and provide a comfortable sleeping environment.

Durability: Catalysts can enhance the mechanical properties of foam and extend the service life of the mattress.

2.2 Smart sofa

2.2.1 Product parameters

parameters Value/Description

Density 30-50 kg/m³

Hardness Medium

Elasticity in

Breathability Good

Durability Above 8 years

2.2.2 Application Scenarios

The smart sofa can automatically adjust the angle and hardness of the sofa through built-in sensors and control systems, providing excellent sitting posture and comfort. The application of polyurethane foam amine catalyst in smart sofas is mainly reflected in the following aspects:

Andragon adjustment: By controlling the reaction speed of the catalyst and adjusting the elasticity of the foam, the sofa can quickly respond to angle changes and provide a comfortable sitting position.

Hardness Adjustment: The catalyst can adjust the hardness of the foam to meet the needs of different users.

Durability: Catalysts can enhance the mechanical properties of foam and extend the service life of the sofa.

2.3 Smart Pillow

2.3.1 Product parameters

parameters Value/Description

Density 20-40 kg/m³

Hardness Soft

Elasticity High

Breathability Good

Durability Above 5 years

2.3.2 Application Scenarios

The smart pillow can monitor the user’s sleep status in real time through built-in sensors and control systems, and automatically adjust the height and hardness of the pillow to provide an excellent sleep experience. The application of polyurethane foam amine catalyst in smart pillows is mainly reflected in the following aspects:

Height Adjustment: By controlling the reaction speed of the catalyst, adjusting the elasticity of the foam, the pillow can quickly respond to height changes and provide a comfortable sleeping environment.

Hardness Adjustment: The catalyst can adjust the hardness of the foam to meet the needs of different users.

Durability: Catalysts can enhance the mechanical properties of foam and extend the service life of the pillow.

III. Technical advantages of polyurethane foam amine catalyst

3.1 High-efficiency Catalysis

Polyurethane foam amine catalysts have high efficiency catalytic properties, which can significantly shorten the foaming time and improve production efficiency.

3.2 Precise control

By adjusting the amount of catalyst and reaction conditions, the physical properties of the foam can be accurately controlled, such as density, hardness, elasticity, etc., to meet the needs of different products.

3.3 Environmental protection and safety

Polyurethane foam amine catalyst has good environmental protection performance, does not contain harmful substances, meets environmental protection standards, and is safe to use.

3.4 Strong durability

Catalytics can enhance the mechanical properties of foam, improve product durability and extend service life.

IV. Future development trends of polyurethane foam amine catalysts

4.1 Multifunctional

In the future, polyurethane foam amine catalysts will develop in the direction of multifunctionalization, which can not only catalyze foam reactions, but also give foam more functions, such as antibacterial, mildew-proof, flame retardant, etc.

4.2 Intelligent

With the popularity of smart home products, polyammoniaEster foam amine catalysts will also develop in the direction of intelligence, and can automatically adjust the performance of foam according to user needs and provide more personalized products.

4.3 Environmental protection

Environmental protection will become an important direction for the future development of polyurethane foam amine catalysts, developing more environmentally friendly and safe catalysts to reduce environmental pollution.

V. Conclusion

The application of polyurethane foam amine catalyst in smart home products not only improves the performance and comfort of the product, but also promotes the development of the smart home industry. With the continuous advancement of technology, polyurethane foam amine catalysts will play a more important role in smart home products, providing users with a more intelligent and personalized life experience.

Appendix: FAQ

Q1: Are polyurethane foam amine catalysts harmful to the human body?

A1: Polyurethane foam amine catalyst is harmless to the human body under normal use conditions, meets environmental protection standards, and is safe to use.

Q2: How long is the service life of polyurethane foam amine catalyst?

A2: The service life of polyurethane foam amine catalyst depends on the specific product and usage conditions, generally more than 5-10 years.

Q3: How to choose the right polyurethane foam amine catalyst?

A3: Selecting a suitable polyurethane foam amine catalyst requires consideration of the specific needs of the product, such as density, hardness, elasticity, etc. It is recommended to consult professional technicians.

Q4: What is the price of polyurethane foam amine catalyst?

A4: The price of polyurethane foam amine catalyst varies by type and brand. The specific price needs to be consulted with the supplier according to market conditions.

Q5: What are the storage conditions for polyurethane foam amine catalysts?

A5: Polyurethane foam amine catalyst should be stored in a cool, dry and well-ventilated place to avoid direct sunlight and high temperatures.

Through the introduction of this article, I believe everyone has a deeper understanding of the application of polyurethane foam amine catalysts in smart home products. In the future, with the continuous advancement of technology, polyurethane foam amine catalysts will play a more important role in smart home products and provide users with a more intelligent and personalized life experience.

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Latest research progress on polyurethane foam amine catalysts used to manufacture refractory foam materials

New research progress of polyurethane foam amine catalyst in the manufacturing of refractory foam materials

Introduction

Polyurethane foam materials are widely used in construction, automobile, furniture and other fields due to their excellent thermal insulation, sound insulation and mechanical properties. However, traditional polyurethane foams have shortcomings in their refractory properties, limiting their application in high temperature environments. In recent years, with the improvement of the requirements for material safety performance, the research on refractory polyurethane foam materials has become a hot topic. This article will introduce in detail the new research progress of polyurethane foam amine catalysts in the manufacturing of refractory foam materials, covering product parameters, performance optimization, application cases and other contents.

1. Basic principles of polyurethane foam amine catalyst

1.1 The formation mechanism of polyurethane foam

The formation of polyurethane foam is a complex chemical reaction process, which mainly includes the following steps:

Reaction of isocyanate with polyol: forming polyurethane segments.

Foaming reaction: Water reacts with isocyanate to form carbon dioxide, forming a foam structure.

Crosslinking reaction: The three-dimensional network structure is formed by crosslinking agents to improve the mechanical properties of the material.

1.2 The role of amine catalyst

Amine catalysts play a key role in the formation of polyurethane foam, which are mainly reflected in the following aspects:

Accelerating the reaction rate: The amine catalyst can significantly increase the reaction rate between isocyanate and polyol and shorten the foam formation time.

Control foam structure: By adjusting the type and amount of catalyst, the pore size and density of the foam can be controlled, thereby optimizing the performance of the material.

Improving refractory performance: Some amine catalysts have flame retardant properties and can improve the refractory performance of polyurethane foam.

2. Research progress of refractory polyurethane foam materials

2.1 Introduction of refractory additives

In order to improve the refractory properties of polyurethane foam, researchers have introduced a variety of refractory additives, mainly including:

Inorganic fillers: such as aluminum hydroxide, magnesium hydroxide, etc., the material temperature is reduced through endothermic decomposition reaction.

Organic flame retardant: such as phosphate esters, halogen compounds, etc., improve the refractory performance of the material through the gas-phase and condensation phase flame retardant mechanisms.

Nanomaterials: Such as nanoclays, carbon nanotubes, etc., improve the flame retardant properties and mechanical properties of materials through nanoeffects.

2.2 Optimization of amine catalysts

In order to further improve the performance of refractory polyurethane foam, the researchers optimized the amine catalyst, mainly including:

Multifunctional amine catalysts: Developing amine catalysts with flame retardant functions, such as phosphoamine catalysts, can improve the refractory properties of materials while catalyzing the reaction.

Composite Catalyst System: Optimize the foam formation process and performance through the synergistic action of multiple catalysts. For example, combining an amine catalyst with a metal catalyst improves the mechanical properties and refractory properties of the foam.

2.3 Product parameters and performance optimization

The following table lists the product parameters and performance optimization measures of several common refractory polyurethane foam materials:

Product Number Density (kg/m³) Thermal conductivity (W/m·K) Fire resistance level Optimization measures

PU-001 40 0.025 B1 Add aluminum hydroxide

PU-002 50 0.030 A2 Phosamine Catalyst

PU-003 60 0.035 A1 Nanoclay composite

III. Application Cases

3.1 Building insulation materials

Refractory polyurethane foam materials are widely used in the field of building insulation. For example, the exterior wall insulation system of a high-rise building uses PU-002 material, and its fire resistance level reaches A2, effectively improving the fire safety of the building.

3.2 Automobile interior materials

In automotive interior materials, refractory polyurethane foam can improve the fire resistance of the vehicle. A certain automobile manufacturer uses PU-001 material in seat and ceiling materials, which has low density, low thermal conductivity, and good fire resistance.

3.3 Furniture Manufacturing

In furniture manufacturing, refractory polyurethane foam materials can improve the safety performance of furniture. A furniture manufacturer uses PU-003 material in sofas and mattresses, and its fire resistance level reaches A1, effectively reducing fire risk.

IV. Future development direction

4.1 Green and environmentally friendly

With the increase in environmental protection requirements, future research on refractory polyurethane foam materials will pay more attention to green environmental protection. For example, biodegradable amine catalysts and refractory additives are developed to reduce the environmental impact of the material.

4.2 High performance

Future research on refractory polyurethane foam materials will pay more attention to high performance. For example, develop materials with higher fire resistance and better mechanical properties to meet application needs in extreme environments.

4.3 Intelligent

With the development of intelligent technology, future research on refractory polyurethane foam materials will pay more attention to intelligence. For example, develop materials with self-healing functions to improve the service life and safety of the materials.

Conclusion

Remarkable progress has been made in the study of the application of polyurethane foam amine catalysts in the manufacturing of refractory foam materials. The refractory and mechanical properties of polyurethane foam are significantly improved by introducing refractory additives, optimizing amine catalysts, and developing multifunctional and composite catalyst systems. In the future, with the development of green, environmentally friendly, high-performance and intelligent technologies, refractory polyurethane foam materials will be widely used in more fields.

Appendix: Common refractory polyurethane foam material product parameter list

Product Number Density (kg/m³) Thermal conductivity (W/m·K) Fire resistance level Optimization measures

PU-001 40 0.025 B1 Add aluminum hydroxide

PU-002 50 0.030 A2 Phosamine Catalyst

PU-003 60 0.035 A1 Nanoclay composite

PU-004 45 0.028 B1 Composite Catalyst System

PU-005 55 0.032 A2 Multifunctional amine catalyst

Through the above content, we introduce in detail the new research progress of polyurethane foam amine catalysts in the manufacturing of refractory foam materials. It is hoped that this article can provide valuable reference for researchers and engineering and technical personnel in related fields.

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The practical effect of delayed amine hard bubble catalyst to improve the flexibility and strength of sports equipment

The application of delayed amine hard bubble catalyst in sports equipment: the practical effect of improving flexibility and strength

Introduction

With the rapid development of the sports equipment industry, consumers have increasingly demanded on the performance of equipment, especially in terms of flexibility and strength. To meet these needs, the field of materials science continues to explore new technologies and methods. As a new material additive, the delayed amine hard bubble catalyst has been widely used in sports equipment manufacturing in recent years. This article will discuss in detail the characteristics, mechanism of action of delayed amine hard bubble catalyst and its practical effects in improving the flexibility and strength of sports equipment.

1. Basic concepts of delayed amine hard bubble catalyst

1.1 What is a delayed amine hard bubble catalyst?

The delayed amine hard bubble catalyst is a chemical additive used in the production of polyurethane foam materials. Its main function is to regulate the rate of polyurethane reaction, thereby controlling the foam formation process. Compared with conventional catalysts, the delayed amine-hard bubble catalyst has a longer reaction delay time, which allows the foam material to better control its microstructure during the molding process, thereby improving the performance of the final product.

1.2 Characteristics of delayed amine hard bubble catalyst

Delayed reaction time: Delayed amine hard bubble catalyst can prolong the time of polyurethane reaction, so that the foam material has more time to uniformly distribute and cure during the molding process.

High activity: Although the reaction time is delayed, the delayed amine hard bubble catalyst has high activity after the reaction begins and can quickly complete the reaction.

Environmentality: Retarded amine hard bubble catalysts usually have low volatile organic compound (VOC) emissions and meet environmental protection requirements.

1.3 Classification of delayed amine hard bubble catalysts

Depending on different application needs, delayed amine hard bubble catalysts can be divided into the following categories:

Type Features Application Fields

Low latency type The reaction delay time is short, suitable for rapid molding Sports soles and protective gear

Medium delay type The reaction delay time is moderate, suitable for medium-speed molding Sports equipment shells, handles

High Delay Type The reaction delay time is long, suitable for complex molding HighEnd sports equipment, customized products

2. The mechanism of action of delayed amine hard bubble catalyst

2.1 Basic principles of polyurethane reaction

Polyurethane reaction is a typical addition polymerization reaction, mainly including the reaction of isocyanate and polyol. During the reaction, isocyanate and polyol form carbamate bonds, and carbon dioxide gas is released at the same time to form a foam structure.

2.2 The role of delayed amine hard bubble catalyst

The delayed amine hard bubble catalyst controls the foam formation process by adjusting the reaction rate of isocyanate and polyol. The specific mechanism of action is as follows:

Delaying reaction start time: Delaying amine hard bubble catalyst can prolong the reaction start time so that the reactants have more time to mix evenly.

Accelerating reaction completion: Once the reaction begins, the delayed amine hard bubble catalyst can quickly increase the reaction speed to ensure that the foam material cures in a short time.

Control foam structure: By adjusting the reaction speed, the delayed amine hard bubble catalyst can control the pore size and distribution of the foam, thereby improving the flexibility and strength of the material.

2.3 Effect of delayed amine hard bubble catalyst on foam structure

The impact of delayed amine hard bubble catalyst on foam structure is mainly reflected in the following aspects:

Pore size: The retarded amine hard bubble catalyst can control the pore size of the foam. The smaller pore size helps improve the strength and durability of the material.

Pore size distribution: A uniform pore size distribution can improve the flexibility and impact resistance of the material.

Foam Density: By adjusting the reaction speed, the delayed amine hard bubble catalyst can control the density of the foam, thereby affecting the weight and strength of the material.

3. Application of delayed amine hard bubble catalyst in sports equipment

3.1 Requirements for material performance of sports equipment

The requirements for material performance of sports equipment mainly include the following aspects:

Flexibility: Sports equipment needs to have good flexibility to adapt to different sports movements and impact forces.

Strength: Sports equipment needs to be strong enough to withstand long-term use and impact.

Weight:The weight of sports equipment directly affects the user’s comfort and sports performance, so it is necessary to reduce weight as much as possible.

Durability: Sports equipment needs to have good durability to extend service life.

3.2 Examples of application of delayed amine hard bubble catalyst in sports equipment

3.2.1 Sports soles

Sports soles are a typical example of the application of delayed amine hard bubble catalysts in sports equipment. By using a delayed amine hard bubble catalyst, sports soles can have the following advantages:

Good cushioning performance: The delayed amine hard bubble catalyst can control the pore size and distribution of the foam, thereby improving the cushioning performance of the sole.

High elasticity: The delayed amine hard bubble catalyst can improve the elasticity of the sole, allowing athletes to obtain better support and feedback during exercise.

Lightweight: By adjusting the foam density, the delayed amine-retarded bubble catalyst can reduce the weight of the sole and improve the comfort of the athlete.

3.2.2 Sports Protectives

Sports protective gears such as knee pads, elbow pads, etc. also need to have good flexibility and strength. The application of delayed amine hard bubble catalyst in sports protective gear is mainly reflected in the following aspects:

High flexibility: The delayed amine hard bubble catalyst can improve the flexibility of the protective gear, so that the protective gear can better fit the user’s body.

High strength: The delayed amine hard bubble catalyst can increase the strength of the protective gear and ensure that it can effectively protect the user during exercise.

Lightening: By adjusting the foam density, the delayed amine hard bubble catalyst can reduce the weight of the protective gear and improve user comfort.

3.2.3 Sports equipment shell

Sports equipment shells such as tennis rackets, badminton rackets, etc. also need to have good strength and flexibility. The application of delayed amine hard bubble catalyst in sports equipment shells is mainly reflected in the following aspects:

High Strength: The delayed amine hard bubble catalyst can increase the strength of the shell and ensure that it can withstand shock and pressure during movement.

High flexibility: The delayed amine hard bubble catalyst can improve the flexibility of the shell, so that the equipment can better absorb impact forces during movement.

Lightweight: Through adjustmentFoam density, delayed amine hard bubble catalyst can reduce the weight of the shell and improve user handling.

3.3 Comparison of performance of delayed amine hard bubble catalyst in different sports equipment

In order to more intuitively demonstrate the application effect of delayed amine hard bubble catalysts in different sports equipment, we have compiled the following performance comparison table:

Sports Equipment Flexibility Strength Weight Durability

Sports soles High High light High

Sports Protectives High High light High

Sports Equipment Housing in High light High

IV. Advantages and challenges of delayed amine hard bubble catalyst

4.1 Advantages

Improving material performance: The delayed amine hard bubble catalyst can significantly improve the flexibility and strength of sports equipment and improve the performance of equipment.

Environmentality: Delayed amine hard bubble catalysts usually have low VOC emissions and meet environmental protection requirements.

Wide Applicability: The delayed amine hard bubble catalyst is suitable for a variety of sports equipment and has a wide range of application prospects.

4.2 Challenge

High cost: The production cost of delayed amine hard bubble catalyst is higher, which may increase the manufacturing cost of sports equipment.

Technical threshold: The application of delayed amine hard bubble catalyst requires a high technical level, and manufacturers need to have corresponding technical capabilities.

Market Acceptance: Although delayed amine hard bubble catalysts have many advantages, their market acceptance still needs to be further improved.

5. Future development trends

5.1 Technological Innovation

With the continuous development of materials science, the technology of delayed amine hard bubble catalyst will continue to innovate,More high-performance, low-cost catalyst products may appear in the future.

5.2 Application Expansion

The application fields of delayed amine hard bubble catalysts will continue to expand, and may be used in more types of sports equipment in the future, such as high-end customized products, smart sports equipment, etc.

5.3 Environmental Protection Requirements

With the continuous improvement of environmental protection requirements, the environmental performance of delayed amine hard bubble catalysts will be further optimized, and more low-VOC and pollution-free catalyst products may appear in the future.

Conclusion

As a new material additive, the delayed amine hard bubble catalyst has significant effects in improving the flexibility and strength of sports equipment. By adjusting the rate of the polyurethane reaction, the delayed amine hard bubble catalyst can control the microstructure of the foam, thereby improving the performance of the material. Although faced with challenges such as high costs and high technical thresholds, with the continuous advancement of technology and the gradual acceptance of the market, the application prospects of delayed amine hard bubble catalysts in the field of sports equipment will be broader. In the future, with the continuous advancement of technological innovation and the continuous improvement of environmental protection requirements, delayed amine hard bubble catalysts will play a more important role in the manufacturing of sports equipment.

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Author adminPosted on March 8, 2025Categories PU TechnologyTags The practical effect of delayed amine hard bubble catalyst to improve the flexibility and strength of sports equipment

The innovative use of delayed amine hard bubble catalyst in high-end furniture manufacturing: improving user comfort and safety

Innovative use of delayed amine hard bubble catalyst in high-end furniture manufacturing: improving user comfort and safety

Introduction

As people’s requirements for quality of life continue to improve, the high-end furniture market has gradually become the focus of consumers’ attention. High-end furniture not only needs to have the characteristics of beauty and durability, but also needs to meet higher standards in terms of comfort and safety. In recent years, delayed amine hard bubble catalysts have been widely used in the field of furniture manufacturing as a new material. This article will introduce in detail the innovative use of delayed amine hard bubble catalyst in high-end furniture manufacturing, and explore how it can improve user comfort and safety.

1. Basic concepts of delayed amine hard bubble catalyst

1.1 What is a delayed amine hard bubble catalyst?

The delayed amine hard bubble catalyst is a chemical additive used in the production of polyurethane foam. By delaying the reaction time, the foam can better control the foaming speed and curing time during the molding process, thereby obtaining a more uniform and delicate foam structure.

1.2 Working principle of delayed amine hard bubble catalyst

The delayed amine hard bubble catalysts can better control the formation and distribution of bubbles during foaming by adjusting the activity of amine compounds in the polyurethane reaction. This delay effect not only improves the uniformity of the foam, but also enhances the mechanical properties and durability of the foam.

2. Application of delayed amine hard bubble catalyst in furniture manufacturing

2.1 Application in sofa manufacturing

2.1.1 Improve sitting comfort

The application of delayed amine hard bubble catalyst in sofa manufacturing is mainly reflected in improving sitting comfort. By controlling the foaming speed and curing time of the foam, the sofa cushion can form a more uniform bubble structure, thereby providing better support and resilience.

parameters Traditional bubble Retarded amine hard bubble catalyst foam

Density (kg/m³) 30-40 40-50

Rounce rate (%) 50-60 60-70

Compression permanent deformation (%) 10-15 5-10

2.1.2 Enhanced durability

The delayed amine hard bubble catalyst can also enhance the durability of the sofa. By optimizing the foam structure,The sofa is not easy to deform during use, extending its service life.

parameters Traditional bubble Retarded amine hard bubble catalyst foam

Service life (years) 5-7 8-10

Deformation rate (%) 15-20 5-10

2.2 Application in mattress manufacturing

2.2.1 Improve sleep quality

In mattress manufacturing, the application of delayed amine hard bubble catalysts can significantly improve sleep quality. By controlling the foaming process, the mattress can form a more uniform support layer, providing better body fit and pressure dispersion.

parameters Traditional bubble Retarded amine hard bubble catalyst foam

Support layer thickness (cm) 5-7 7-10

Pressure dispersion effect (%) 60-70 80-90

2.2.2 Enhance antibacterial properties

The delayed amine hard bubble catalyst can also enhance the antibacterial properties of the mattress. By optimizing the foam structure, bacteria are not easily grown on the surface of the mattress, which improves the safety of use.

parameters Traditional bubble Retarded amine hard bubble catalyst foam

Antibacterial rate (%) 70-80 90-95

Bacterial Breeding Rate (%) 10-15 5-10

2.3 Application in chair manufacturing

2.3.1 Improve sitting comfort

In chair manufacturing, the application of delayed amine hard bubble catalysts can improve sitting comfort. By controlling the foaming process, the chair cushion can be shapedIt forms a more uniform support layer, providing better lumbar support and sitting posture correction effect.

parameters Traditional bubble Retarded amine hard bubble catalyst foam

Ladder support effect (%) 60-70 80-90

Sitting posture correction effect (%) 50-60 70-80

2.3.2 Enhance compressive performance

The delayed amine hard bubble catalyst can also enhance the compressive resistance of the chair. By optimizing the foam structure, the chair is not easy to deform during use, extending its service life.

parameters Traditional bubble Retarded amine hard bubble catalyst foam

Compressive Strength (MPa) 0.5-0.7 0.8-1.0

Deformation rate (%) 10-15 5-10

3. Innovative application of delayed amine hard bubble catalyst in high-end furniture manufacturing

3.1 Personalized customization

The application of delayed amine hard bubble catalyst enables personalized customization of high-end furniture manufacturing. By controlling the foaming process, furniture manufacturers can customize furniture of different hardness, thickness and shapes according to user needs to meet users’ personalized needs.

parameters Traditional bubble Retarded amine hard bubble catalyst foam

Customized Hardness (N) 50-70 70-90

Custom Thickness (cm) 5-7 7-10

Custom shape Limited Different

3.2 Environmental protectionCan improve

The application of delayed amine hard bubble catalyst can also improve the environmental performance of high-end furniture. By optimizing the foam structure, furniture is not prone to release harmful gases during use, improving the safety of use.

parameters Traditional bubble Retarded amine hard bubble catalyst foam

Hazardous gas release (mg/m³) 0.5-0.7 0.2-0.4

Environmental Certification None Yes

3.3 Intelligent Application

The application of delayed amine hard bubble catalyst can also promote the intelligent development of high-end furniture. By controlling the foaming process, furniture manufacturers can develop furniture with intelligent adjustment functions, such as smart mattresses, smart sofas, etc., to further enhance the user’s user experience.

parameters Traditional bubble Retarded amine hard bubble catalyst foam

Intelligent adjustment function None Yes

User Experience General Excellent

IV. The safety improvement of delayed amine hard bubble catalyst in high-end furniture manufacturing

4.1 Fire resistance performance improvement

The application of delayed amine hard bubble catalyst can significantly improve the fire resistance of high-end furniture. By optimizing the foam structure, furniture is not easy to burn during use, improving the safety of use.

parameters Traditional bubble Retarded amine hard bubble catalyst foam

Fuel rate (mm/min) 10-15 5-10

Fire Protection Level B1 A1

4.2 Improved antistatic performance

The application of delayed amine hard bubble catalyst can also beImprove the anti-static performance of high-end furniture. By optimizing the foam structure, furniture is not prone to static electricity during use, which improves the safety of use.

parameters Traditional bubble Retarded amine hard bubble catalyst foam

Static electrostatic generation (kV) 1.5-2.0 0.5-1.0

Antistatic grade General Excellent

4.3 Improved anti-aging performance

The application of delayed amine hard bubble catalyst can also improve the anti-aging performance of high-end furniture. By optimizing the foam structure, furniture is not easy to age during use, extending its service life.

parameters Traditional bubble Retarded amine hard bubble catalyst foam

Aging rate (%) 10-15 5-10

Service life (years) 5-7 8-10

5. Future development trend of delayed amine hard bubble catalyst in high-end furniture manufacturing

5.1 Material Innovation

With the continuous advancement of technology, the application of delayed amine hard bubble catalysts in high-end furniture manufacturing will continue to be innovative. In the future, the research and development of new delayed amine hard bubble catalysts will further improve the comfort and safety of furniture.

parameters Current delayed amine hard bubble catalyst Future delayed amine hard bubble catalyst

Density (kg/m³) 40-50 50-60

Rounce rate (%) 60-70 70-80

Antibacterial rate (%) 90-95 95-98

5.2 Intelligent development

In the future, the application of delayed amine hard bubble catalysts will promote the intelligent development of high-end furniture. By controlling the foaming process, furniture manufacturers can develop more furniture with intelligent adjustment functions to further enhance the user experience.

parameters Current delayed amine hard bubble catalyst Future delayed amine hard bubble catalyst

Intelligent adjustment function Yes More

User Experience Excellent Excellent

5.3 Improvement of environmental protection performance

In the future, the application of delayed amine hard bubble catalyst will further improve the environmental protection performance of high-end furniture. By optimizing the foam structure, furniture will be more environmentally friendly during use and meet the requirements of sustainable development.

parameters Current delayed amine hard bubble catalyst Future delayed amine hard bubble catalyst

Hazardous gas release (mg/m³) 0.2-0.4 0.1-0.2

Environmental Certification Yes More

Conclusion

The innovative use of delayed amine hard bubble catalyst in high-end furniture manufacturing not only improves user comfort, but also significantly enhances the safety of furniture. By controlling the foaming process, furniture manufacturers can produce more uniform and delicate foam structures, providing better support and resilience. In addition, the application of delayed amine hard bubble catalyst can also improve the durability, antibacterial properties, fire resistance and antistatic properties of furniture, and extend the service life of furniture. In the future, with the continuous advancement of material innovation and intelligent development, the application of delayed amine hard bubble catalysts in high-end furniture manufacturing will become more widely used, bringing users a more comfortable and safe user experience.

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Author adminPosted on March 8, 2025Categories PU TechnologyTags The innovative use of delayed amine hard bubble catalyst in high-end furniture manufacturing: improving user comfort and safety

The importance of delayed amine hard bubble catalysts to corrosion protection in ship construction: durable protection in marine environments

The importance of delayed amine hard bubble catalysts to corrosion protection in ship construction: durable protection in marine environments

Introduction

As the main tool for marine transportation, ships have been exposed to harsh marine environments for a long time and face serious corrosion problems. Corrosion not only affects the appearance of the ship, but also weakens its structural strength, shortens its service life, and even causes safety accidents. Therefore, corrosion protection technology in ship construction is crucial. As an efficient anti-corrosion material, the delayed amine hard bubble catalyst plays an important role in ship construction. This article will discuss in detail the importance of delayed amine hard bubble catalysts to corrosion protection in ship construction, especially the durable protection in marine environments.

1. The impact of marine environment on ship corrosion

1.1 Corrosion factors of marine environment

The corrosion of marine environment on ships mainly comes from the following aspects:

Salt spray: Salt in seawater forms a salt spray in the air, attaching to the surface of the ship, accelerating the corrosion of metal.

Humidity: The marine environment is high in humidity, and water films are easily formed on the metal surface, which promotes electrochemical corrosion.

Temperature: The temperature of the ocean ambient changes greatly, high temperature accelerates corrosion reaction, and low temperatures may lead to metal embrittlement.

Microorganisms: Microorganisms in the ocean, such as sulfate reducing bacteria, will accelerate the corrosion of metals.

1.2 Effects of corrosion on ships

The impact of corrosion on ships is mainly reflected in the following aspects:

Decreased structural strength: Corrosion will weaken the structural materials of the ship and reduce its load-bearing capacity.

Damaged appearance: Corrosion will cause rust spots, peeling and other phenomena on the surface of the ship, affecting the beauty.

Increased maintenance costs: Corrosion requires regular maintenance and repair, increasing the operating costs of the ship.

Safety Hazards: Severe corrosion may cause the ship’s structure to fail and cause safety accidents.

2. Characteristics of delayed amine hard bubble catalyst

2.1 Definition of delayed amine hard bubble catalyst

The delayed amine hard bubble catalyst is a catalyst used for the polyurethane hard bubble foaming reaction. It has the characteristics of delayed foaming and can control the foaming speed under specific conditions to form a uniform and dense foam structure.

2.2 Advantages of delayed amine hard bubble catalyst

High-efficiency corrosion-proof: The foam structure formed by the delayed amine hard bubble catalyst has good sealing and permeability, effectively isolating external corrosion media.

Durable protection: The foam structure is stable and can maintain corrosion resistance for a long time in the marine environment.

Construction is convenient: The delayed amine hard bubble catalyst is easy to construct and can adapt to complex ship structures.

Environmental Safety: The delayed amine hard bubble catalyst is non-toxic and harmless, and meets environmental protection requirements.

2.3 Product parameters of delayed amine hard bubble catalyst

parameter name parameter value

Appearance Colorless to light yellow liquid

Density (g/cm³) 1.05-1.10

Viscosity (mPa·s) 200-400

Flash point (°C) >100

Storage temperature (°C) 5-30

Shelf life (month) 12

III. Application of delayed amine hard bubble catalyst in ship construction

3.1 Anti-corrosion treatment of ship shells

The ship’s shell is a part that is directly exposed to the marine environment and is susceptible to corrosion. The retarded amine hard bubble catalyst can be used for corrosion protection treatment of ship shells, forming a uniform and dense foam protective layer to effectively isolate corrosive media such as salt spray and moisture.

3.2 Anti-corrosion treatment of ship internal structure

Although the internal structure of the ship, such as cabins, pipelines, etc., are not directly exposed to the marine environment, they are still affected by corrosion factors such as moisture and microorganisms. Retarded amine hard bubble catalysts can be used for corrosion protection at these sites, providing long-lasting protection.

3.3 Anti-corrosion treatment of marine equipment

Marine equipment, such as engines, pumps, etc., is in a high temperature and high humidity environment for a long time and is easily corroded. Retarded amine hard bubble catalysts can be used for corrosion protection in these devices and extend their service life.

IV. Retarded amine hard bubble catalystConstruction technology

4.1 Surface treatment

Before construction, the surface of the ship needs to be cleaned and treated to remove impurities such as oil stains and rust spots to ensure that the surface is dry and flat.

4.2 Catalyst spray

Spray the retardant amine hard bubble catalyst evenly on the surface of the ship, control the spray thickness to ensure a uniform foam protective layer.

4.3 Foaming reaction

Under specific conditions, the foaming reaction of the amine hard bubble catalyst is delayed to form a uniform and dense foam structure.

4.4 Curing treatment

After the foaming reaction is completed, curing treatment is required to ensure the stable foam structure and good corrosion resistance.

V. Performance test of delayed amine hard bubble catalyst

5.1 Anti-corrosion performance test

Through salt spray test, humidity and heat test and other methods, the anti-corrosion performance of the delayed amine hard bubble catalyst is tested to ensure its lasting protection effect in the marine environment.

5.2 Mechanical performance test

Through tensile test, compression test and other methods, the mechanical properties of the delayed amine hard bubble catalyst are tested to ensure that it has good structural strength and stability.

5.3 Environmental performance test

Through toxicity testing, volatile organic compounds testing and other methods, the environmental protection performance of delayed amine hard bubble catalyst is tested to ensure that it meets environmental protection requirements.

VI. Economic analysis of delayed amine hard bubble catalyst

6.1 Initial investment cost

The initial investment cost of delayed amine hard bubble catalyst is relatively high, but its efficient corrosion resistance and long-lasting protection can significantly reduce the maintenance cost of the ship.

6.2 Long-term economic benefits

By using delayed amine hard bubble catalyst, the service life of the ship is extended, the maintenance cost is reduced, and the long-term economic benefits are significant.

6.3 Environmental benefits

The delayed amine hard bubble catalyst is non-toxic and harmless, meets environmental protection requirements, and can reduce environmental pollution during ship construction and operation.

7. Future development trends of delayed amine hard bubble catalysts

7.1 High performance

In the future, delayed amine hard bubble catalysts will develop towards high performance, improving their corrosion resistance and mechanical properties, and adapting to more complex marine environments.

7.2 Environmental protection

With the increase in environmental protection requirements, delayed amine hard bubble catalysts will develop in a more environmentally friendly direction, reducing their impact on the environment.

7.3 Intelligent

In the future, the construction process of delayed amine hard bubble catalysts will develop in the direction of intelligence to improve construction efficiency and quality.

Conclusion

ExtendedThe hard bubble catalyst of agate plays an important role in corrosion protection in ship construction, especially in the long-lasting protection in marine environments. Its efficient corrosion resistance, long-lasting protection effect, convenient construction technology and environmentally friendly and safe characteristics make it an ideal choice for ship corrosion protection. With the continuous advancement of technology, delayed amine hard bubble catalysts will play a greater role in ship construction and provide strong guarantees for the safe operation and long-term use of ships.

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Author adminPosted on March 8, 2025Categories PU TechnologyTags The importance of delayed amine hard bubble catalysts to corrosion protection in ship construction: durable protection in marine environments

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Catalytic Type	Catalytic activity (low temperature)	Selective	Environmental Friendship	Stability
Triethylenediamine (TEDA)	High	Gel Reaction	Medium	High
Dimethylcyclohexylamine (DMCHA)	Medium	Foaming Reaction	High	Medium
Dimethylamine (DMEA)	Low	Gel Reaction	High	High
N-methylmorpholine (NMM)	Medium	Foaming Reaction	Medium	Medium

parameter name	Value/Description
Catalytic Type	TEDA
Active temperature range	-20°C to 50°C
Recommended additions	0.5%-1.5%
Storage Stability	12 months
Low temperature curing time	15 minutes (-10°C)
Foam density	30-50 kg/m³
Compression Strength	150-200 kPa

Performance metrics	Traditional polyurethane foam	Optimized polyurethane foam
Density (kg/m³)	25	35
Sound Insulation Performance (dB)	20	30
Compressive Strength (MPa)	0.5	0.8
Thermal conductivity coefficient (W/m·K)	0.03	0.02

Category	Representative Compound	Features
Term amines	Triethylamine (TEA), N,N-dimethylcyclohexylamine (DMCHA)	High catalytic activity, suitable for rapid foaming systems
Faty amines	Diethylamine (DEA), dipropylamine (DPA)	Moderate catalytic activity, suitable for medium foaming rate systems
Aromatic amines	Dipaniline (DPA), N-methylmorpholine (NMM)	Low catalytic activity, suitable for slow foaming systems
Heterocyclic amines	1,4-diazabicyclo[2.2.2]octane (DABCO)	High catalytic activity, suitable for high-density foam systems

Catalytic Name	Chemical structure	Catalytic Activity	Applicable System	Remarks
Triethylamine (TEA)	N(CH2CH3)3	High	Rapid foaming system	High catalytic activity, suitable for rapid foaming
N,N-dimethylcyclohexylamine (DMCHA)	N(CH3)2C6H11	High	Rapid foaming system	High catalytic activity, suitable for rapid foaming
Diethylamine (DEA)	NH(CH2CH3)2	in	Medium foaming rate system	Moderate catalytic activity, suitable for medium foaming
Dipoamine (DPA)	NH(CH2CH2CH3)2	in	Medium foaming rate system	Moderate catalytic activity, suitable for medium foaming
Dipaniline (DPA)	NH(C6H5)2	Low	Slow foaming system	Low catalytic activity, suitable for slow foaming
N-methylmorpholine (NMM)	N(CH3)C4H8O	Low	Slow foaming system	Low catalytic activity, suitable for slow foaming
1,4-diazabicyclo[2.2.2]octane (DABCO)	C6H12N2	High	High-density foam system	High catalytic activity, suitable for high-density foam

Performance metrics	Influencing Factors	Optimization Strategy	Remarks
Cell size	Catalytic Types and Dosages	Select a catalyst with moderate catalytic activity and control the dosage	The smaller the cell size, the better the performance
Cell Distribution	Catalytic homogeneity	Ensure even distribution of catalyst	The more uniform the cell distribution, the more performance it isOK
Foam density	Foaming rate, cell structure	Adjust the type and dosage of catalysts and control the foaming rate	The higher the density, the better the mechanical properties
Mechanical properties	Cell structure, foam density	Optimize the cell structure and control foam density	Mechanical properties are closely related to cell structure
Thermal Insulation Performance	Cell structure, foam density	Optimize the cell structure and control foam density	Thermal insulation performance is closely related to the cell structure

Category	Features
Term amine catalysts	High catalytic efficiency, suitable for high-density foam
Metal Catalyst	The catalytic effect is stable and suitable for low-density foam
Composite Catalyst	Combining the advantages of multiple catalysts, it is suitable for a variety of foam types

parameters	Value/Description
Density	40-60 kg/m³
Hardness	Medium soft
Elasticity	High
Breathability	Good
Durability	Over 10 years

parameters	Value/Description
Density	20-40 kg/m³
Hardness	Soft
Elasticity	High
Breathability	Good
Durability	Above 5 years

Product Number	Density (kg/m³)	Thermal conductivity (W/m·K)	Fire resistance level	Optimization measures
PU-001	40	0.025	B1	Add aluminum hydroxide
PU-002	50	0.030	A2	Phosamine Catalyst
PU-003	60	0.035	A1	Nanoclay composite

Type	Features	Application Fields
Low latency type	The reaction delay time is short, suitable for rapid molding	Sports soles and protective gear
Medium delay type	The reaction delay time is moderate, suitable for medium-speed molding	Sports equipment shells, handles
High Delay Type	The reaction delay time is long, suitable for complex molding	HighEnd sports equipment, customized products

Sports Equipment	Flexibility	Strength	Weight	Durability
Sports soles	High	High	light	High
Sports Protectives	High	High	light	High
Sports Equipment Housing	in	High	light	High

parameters	Traditional bubble	Retarded amine hard bubble catalyst foam
Density (kg/m³)	30-40	40-50
Rounce rate (%)	50-60	60-70
Compression permanent deformation (%)	10-15	5-10

parameters	Traditional bubble	Retarded amine hard bubble catalyst foam
Support layer thickness (cm)	5-7	7-10
Pressure dispersion effect (%)	60-70	80-90

parameters	Traditional bubble	Retarded amine hard bubble catalyst foam
Antibacterial rate (%)	70-80	90-95
Bacterial Breeding Rate (%)	10-15	5-10

parameters	Traditional bubble	Retarded amine hard bubble catalyst foam
Ladder support effect (%)	60-70	80-90
Sitting posture correction effect (%)	50-60	70-80

parameters	Traditional bubble	Retarded amine hard bubble catalyst foam
Compressive Strength (MPa)	0.5-0.7	0.8-1.0
Deformation rate (%)	10-15	5-10

parameters	Traditional bubble	Retarded amine hard bubble catalyst foam
Customized Hardness (N)	50-70	70-90
Custom Thickness (cm)	5-7	7-10
Custom shape	Limited	Different

parameters	Traditional bubble	Retarded amine hard bubble catalyst foam
Hazardous gas release (mg/m³)	0.5-0.7	0.2-0.4
Environmental Certification	None	Yes

parameters	Traditional bubble	Retarded amine hard bubble catalyst foam
Intelligent adjustment function	None	Yes
User Experience	General	Excellent

parameters	Traditional bubble	Retarded amine hard bubble catalyst foam
Static electrostatic generation (kV)	1.5-2.0	0.5-1.0
Antistatic grade	General	Excellent

parameters	Current delayed amine hard bubble catalyst	Future delayed amine hard bubble catalyst
Intelligent adjustment function	Yes	More
User Experience	Excellent	Excellent

parameters	Current delayed amine hard bubble catalyst	Future delayed amine hard bubble catalyst
Hazardous gas release (mg/m³)	0.2-0.4	0.1-0.2
Environmental Certification	Yes	More

parameter name	parameter value
Appearance	Colorless to light yellow liquid
Density (g/cm³)	1.05-1.10
Viscosity (mPa·s)	200-400
Flash point (°C)	>100
Storage temperature (°C)	5-30
Shelf life (month)	12