The leader of China special amines-

Articles posted by: admin

The unique advantages of delayed amine hard bubble catalysts in automotive parts manufacturing: Improved durability and safety

admin 3月 8th, 2025 News

The unique advantages of delayed amine hard bubble catalysts in automotive parts manufacturing: Improved durability and safety

Introduction

With the rapid development of the automobile industry, the manufacturing process and material selection of automobile parts have become increasingly important. As a new chemical material, the delayed amine hard bubble catalyst has shown unique advantages in the manufacturing of automotive parts. This article will discuss in detail the application of delayed amine hard bubble catalysts in automotive parts manufacturing and how they can improve product durability 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 material can better control the foaming speed and curing time during the molding process, thereby improving the uniformity and stability of the product.

1.2 Working principle of delayed amine hard bubble catalyst

The delayed amine hard bubble catalysts adjust the amine group activity in the polyurethane reaction so that the reaction maintains low activity for a specific time, thereby extending the foaming time. This delay effect allows the foam material to better fill the mold during the molding process, reducing the generation of bubbles and defects.

2. Application of delayed amine hard bubble catalyst in automotive parts manufacturing

2.1 Car seat

2.1.1 Improve the comfort of the seat

The application of delayed amine hard bubble catalyst in car seats can make the foam material more evenly distributed, thereby improving seat comfort and support. By controlling the foaming speed and curing time, the seat foam can better adapt to the human body curve and provide a better riding experience.

2.1.2 Enhance the durability of the seat

The use of delayed amine hard bubble catalyst enables the seat foam material to have higher density and strength, thereby improving the durability of the seat. After long-term use, the seat can still maintain good shape and support performance, reducing deformation and wear caused by long-term use.

2.2 Car interior

2.2.1 Improve the uniformity of interior materials

In the production of automotive interior materials, the delayed amine hard bubble catalyst can make the foam material more evenly distributed, reducing the generation of bubbles and defects. This uniformity not only improves the exterior quality of the interior material, but also enhances its durability and safety.

2.2.2 Enhance the fire resistance of interior materials

The use of delayed amine hard bubble catalyst can improve the fire resistance of interior materials. By controlling the foaming speed and curing time, the foam material can better form a dense structure, thereby improving its flame retardant performance and reducing the risk of fire.

2.3Automotive sound insulation materials

2.3.1 Improve sound insulation effect

The application of delayed amine hard bubble catalyst in automotive sound insulation materials can make the foam material more evenly distributed, thereby improving the sound insulation effect. By controlling the foaming speed and curing time, sound insulation materials can better fill the voids of the vehicle body and reduce the spread of noise.

2.3.2 Enhance the durability of sound insulation materials

The use of delayed amine hard bubble catalysts enables sound insulation materials to have higher density and strength, thereby improving their durability. After long-term use, the sound insulation material can still maintain good sound insulation effect, reducing aging and damage caused by long-term use.

3. Unique advantages of delayed amine hard bubble catalyst

3.1 Improve the durability of the product

The delayed amine hard bubble catalyst enables the foam material to have higher density and strength by controlling the foaming speed and curing time, thereby improving the durability of the product. After long-term use, the product can still maintain good performance and appearance, reducing deformation and wear caused by long-term use.

3.2 Improve product safety

The use of delayed amine hard bubble catalyst can improve the product’s fire resistance and impact resistance, thereby improving the product’s safety. By controlling the foaming speed and curing time, the foam material can better form a dense structure, thereby improving its flame retardant and impact resistance, and reducing the risk of fire and accidents.

3.3 Improve product uniformity

The delayed amine hard bubble catalyst regulates the amine group activity in the polyurethane reaction, so that the foam material is distributed more evenly, reducing the generation of bubbles and defects. This uniformity not only improves the appearance quality of the product, but also enhances its durability and safety.

IV. Product parameters of delayed amine hard bubble catalyst

4.1 Product Parameters

parameter name	parameter value	Unit	Remarks
Appearance	Colorless to light yellow liquid	–	–
Density	1.05-1.10	g/cm³	20?
Viscosity	100-200	mPa·s	20?
Flashpoint	>100	?	–
Amine Value	300-400	mg KOH/g	–
Delay time	10-30	seconds	25?
Currecting time	60-120	seconds	25?
Storage temperature	5-30	?	–
Shelf life	12	month	–

4.2 Parameter description

Appearance: The delayed amine hard bubble catalyst is usually a colorless to light yellow liquid with good fluidity.
Density: The density is between 1.05-1.10 g/cm³, indicating that it has a high concentration and activity.
Viscosity: The viscosity is between 100-200 mPa·s, indicating that it has good fluidity and mixing properties.
Flash point: The flash point is greater than 100?, indicating that it has high safety and is not flammable.
Amine value: The amine value is between 300-400 mg KOH/g, indicating that it has high reactivity.
Delay time: The delay time is between 10-30 seconds, indicating that it can effectively extend the foaming time and improve the uniformity of the product.
Current time: The curing time is between 60-120 seconds, indicating that it can cure quickly and improve production efficiency.
Storage temperature: The storage temperature is between 5-30?, indicating that it has good storage stability.
Shelf life: The shelf life is 12 months, indicating that it has a long service life.

V. Production process of delayed amine hard bubble catalyst

5.1 Raw material selection

The production of delayed amine hard bubble catalysts requires the selection of high-quality raw materials, including amine compounds, solvents and additives. The selection of raw materials directly affects the performance and quality of the product.

5.2 Reaction process

The production of delayed amine hard bubble catalysts is usually done using batch reaction processes. By controlling the reaction temperature, pressure and stirring speed, the uniformity and stability of the reaction are ensured.

5.3 Post-treatment process

After the reaction is completed, the product needs to be processed, including filtration, dehydration and drying. The choice of post-treatment process directly affects the purity and quality of the product.

VI. Market prospects of delayed amine hard bubble catalysts

6.1 Market demand

With the rapid development of the automobile industry, the demand for high-performance automotive parts is increasing. As a new type of chemical material, the delayed amine hard bubble catalyst has broad market prospects.

6.2 Technology development trends

In the future, the technological development trend of delayed amine hard bubble catalysts will mainly focus on improving product performance and quality, reducing production costs, and developing more environmentally friendly and sustainable production processes.

6.3 Market competition

As the increase in market demand, the market competition for delayed amine hard bubble catalysts will also become increasingly fierce. Enterprises need to improve product competitiveness and gain market share through technological innovation and quality management.

7. Conclusion

The delayed amine hard bubble catalyst shows unique advantages in automotive parts manufacturing and can significantly improve the durability and safety of the product. By controlling the foaming speed and curing time, delaying the amine-hard bubble catalyst makes the foam material more evenly distributed, reducing the generation of bubbles and defects, thereby improving the appearance quality and performance of the product. In the future, with the continuous advancement of technology and the increase in market demand, delayed amine hard bubble catalysts will play a more important role in the manufacturing of automotive parts.

Appendix

Appendix A: FAQs about delayed amine hard bubble catalysts

Q1: What are the storage conditions for delayed amine hard bubble catalyst?

A1: The delayed amine hard bubble catalyst should be stored in a dry and cool place to avoid direct sunlight and high temperatures. The storage temperature should be controlled between 5-30?.

Q2: What is the use of delayed amine hard bubble catalyst?

A2: Retarded amine hard bubble catalyst is usually used in conjunction with other raw materials. Before use, ensure that the temperature and humidity of all raw materials meet the requirements and mix in the specified proportions.

Q3: How long is the shelf life of the delayed amine hard bubble catalyst?

A3: Retarded amine hardnessThe shelf life of a bubble catalyst is usually 12 months. During the shelf life, the product should maintain good performance and stability.

Appendix B: Production process flow of delayed amine hard bubble catalyst

Raw material preparation: Select high-quality raw materials such as amine compounds, solvents and additives.
Reaction process: Add raw materials to the reactor in proportion to control parameters such as reaction temperature, pressure and stirring speed.
Post-treatment process: After the reaction is completed, the product is subjected to post-treatment steps such as filtration, dehydration and drying.
Quality Inspection: Perform quality inspection of products to ensure that they comply with specified standards and requirements.
Packaging and Storage: After packaging the product, store it in a dry and cool place to avoid direct sunlight and high temperatures.

Appendix C: Application Cases of Retarded Aminine Hard Bubble Catalyst

Case 1: A car seat manufacturing company

A car seat manufacturing company uses delayed amine hard bubble catalyst to produce car seat foam materials. By controlling the foaming speed and curing time, the seat foam material is distributed more evenly, improving the comfort and support of the seat. After long-term use, the seat can still maintain good shape and support performance, reducing deformation and wear caused by long-term use.

Case 2: A certain automobile interior manufacturing company

A certain automotive interior manufacturing company uses delayed amine hard bubble catalyst to produce automotive interior materials. By controlling the foaming speed and curing time, the interior materials are distributed more evenly, reducing the generation of bubbles and defects. This uniformity not only improves the exterior quality of the interior material, but also enhances its durability and safety.

Case 3: A certain automobile sound insulation material manufacturing company

A certain automotive sound insulation material manufacturing company uses delayed amine hard bubble catalyst to produce automotive sound insulation materials. By controlling the foaming speed and curing time, the sound insulation materials are distributed more evenly, improving the sound insulation effect. After long-term use, the sound insulation material can still maintain good sound insulation effect, reducing aging and damage caused by long-term use.

Conclusion

As a new chemical material, the delayed amine hard bubble catalyst has shown unique advantages in the manufacturing of automotive parts. By controlling the foaming speed and curing time, delayed amine hard bubble catalysts can significantly improve the durability and safety of products, providing strong support for the development of the automotive industry. In the future, with the continuous advancement of technology and the increase in market demand, delayed amine hard bubble catalysts will play a more important role in the manufacturing of automotive parts.

Analysis of the effect of delayed amine hard bubble catalyst in building insulation materials: a new method to enhance thermal insulation performance

admin 3月 8th, 2025 News

Analysis of the effect of delayed amine hard bubble catalyst in building insulation materials: a new method to enhance thermal insulation performance

Introduction

With the intensification of the global energy crisis and the increase in environmental awareness, building energy conservation has become an important issue in today’s society. Building insulation materials, as a key component of building energy conservation, directly affect the energy consumption and comfort of the building. In recent years, the application of delayed amine hard bubble catalysts in building insulation materials has gradually attracted attention as a new catalyst. This article will conduct a detailed analysis from the principles, product parameters, application effects of delayed amine hard bubble catalysts, and explore its potential in enhancing the thermal insulation performance of building insulation materials.

1. Principle of delayed amine hard bubble catalyst

1.1 Basic concepts of delayed amine hard bubble catalyst

The delayed amine hard bubble catalyst is a catalyst used for the foaming reaction of polyurethane foam. Its main function is to regulate the rate of foaming reaction and the structure of the foam. Compared with conventional catalysts, delayed amine hard bubble catalysts have the characteristics of delayed reactions and can provide longer operating time during foaming, thereby improving foam uniformity and stability.

1.2 The mechanism of action of delayed amine hard bubble catalyst

Retardant amine hard bubble catalyst realizes delay in the foaming process by controlling the reaction rate between isocyanate and polyol in the polyurethane reaction. Specifically, the delayed amine hard bubble catalyst has a lower activity at the beginning of the reaction. As the reaction progresses, its activity gradually increases, thereby extending the foaming time, making the foam structure more uniform and the closed cell rate higher, and ultimately improving the thermal insulation performance of the insulation material.

2. Product parameters of delayed amine hard bubble catalyst

2.1 Product Parameter Overview

The product parameters of delayed amine hard bubble catalyst mainly include active ingredients, reaction delay time, applicable temperature range, storage stability, etc. The following table lists the product parameters of several common delayed amine hard bubble catalysts:

Product Model	Active Ingredients	Reaction delay time (minutes)	Applicable temperature range (?)	Storage Stability (month)
DCA-100	Amine compounds	5-10	10-40	12
DCA-200	Amine compounds	10-15	15-45	18
DCA-300	Amine compounds	15-20	20-50	24

2.2 Effect of product parameters on application effect

Different product parameters have a significant impact on the application effect of delayed amine hard bubble catalyst. For example, catalysts with longer reaction delay times are suitable for foaming processes that require longer operating times, while catalysts with wider temperature ranges can be used under a wider range of environmental conditions. Storage stability directly affects the service life and cost of the catalyst.

3. Application of delayed amine hard bubble catalyst in building insulation materials

3.1 Types of building insulation materials

Building insulation materials mainly include polyurethane foam, polystyrene foam, rock wool, glass wool, etc. Among them, polyurethane foam has become the mainstream choice for building insulation materials due to its excellent thermal insulation properties and construction convenience.

3.2 Application of delayed amine hard bubble catalyst in polyurethane foam

The application of delayed amine hard bubble catalyst in polyurethane foam is mainly reflected in the following aspects:

Improve the foam structure: By prolonging the foaming time, the amine hard bubble catalyst makes the foam structure more uniform and has a higher cellulose ratio, thereby improving the thermal insulation performance of the insulation material.
Improving construction efficiency: The delayed amine hard bubble catalyst provides longer operating time, making the construction process more flexible and reducing foam quality problems caused by insufficient operating time.
Reduce energy consumption: Because the delayed amine hard bubble catalyst improves the thermal insulation performance of the foam, the energy consumption in the building is significantly reduced during use, meeting the requirements of energy conservation and environmental protection.

3.3 Application case analysis

The following table lists several cases of building insulation materials using delayed amine hard bubble catalysts:

Case number	Building Type	Insulation Material Type	Catalytic Model Used	Thermal insulation performance improvement (%)	Reduced energy consumption (%)
001	Residential	Polyurethane foam	DCA-100	15	10
002	Office Building	Polyurethane foam	DCA-200	20	15
003	Mall	Polyurethane foam	DCA-300	25	20

It can be seen from the table that building insulation materials using delayed amine hard bubble catalysts have significantly improved in terms of thermal insulation performance and energy consumption reduction.

IV. Advantages and challenges of delayed amine hard bubble catalyst

4.1 Advantages

Improving thermal insulation performance: The delayed amine hard bubble catalyst significantly improves the thermal insulation performance of thermal insulation materials by improving the foam structure.
Extend the operating time: Delayed amine hard bubble catalyst provides longer operating time, making the construction process more flexible.
Reduce energy consumption: Due to the improvement of thermal insulation performance, the energy consumption of buildings is significantly reduced during use.

4.2 Challenge

High cost: The cost of delayed amine hard bubble catalyst is relatively high, which may increase the overall cost of building insulation materials.
Technical threshold: The application of delayed amine hard bubble catalyst requires certain technical support and requires high technical level of construction personnel.
Environmental Impact: Although delayed amine hard bubble catalysts have significant effects in energy saving, they may have a certain impact on the environment during their production and use.

5. Future development trends

5.1 Technological Innovation

With the advancement of technology, the technology of delayed amine hard bubble catalysts will continue to innovate, and more efficient and environmentally friendly new catalysts may appear in the future, further promoting the development of building insulation materials.

5.2 Application Expansion

The application areas of delayed amine hard bubble catalysts will continue to expand, not only limited to building insulation materials, but may also be used in other fields that require thermal insulation performance, such as cold chain logistics, aerospace, etc.

5.3 Policy Support

As the global emphasis on energy conservation and environmental protection, governments may introduce more policies to support the development of building energy-saving technology. As an important part of it, delaying amine hard bubble catalysts will obtain more policy support and market opportunities.

Conclusion

As a new catalyst, the retarded amine hard bubble catalyst has significant advantages in the application of building insulation materials. By improving the foam structure, extending operating time and reducing energy consumption, delayed amine hard bubble catalysts provide new solutions for building energy saving. Although faced with challenges such as high costs and technical thresholds, with the continuous innovation of technology and policy support, the application prospects of delayed amine hard bubble catalysts in building insulation materials are broad. In the future, with the development and application of more efficient and environmentally friendly new catalysts, the thermal insulation performance of building insulation materials will be further improved, making greater contributions to the global energy conservation and environmental protection cause.

The key role of low-odor catalyst DPA in the production of high-performance polyurethane foam: improve product quality while reducing odor

admin 3月 8th, 2025 News

The key role of low-odor catalyst DPA in the production of high-performance polyurethane foam: improve product quality while reducing odor

Introduction

Polyurethane foam is a polymer material widely used in furniture, automobiles, construction and other fields. Its excellent physical properties and chemical stability make it one of the indispensable materials in modern industry. However, traditional polyurethane foam production is often accompanied by a strong odor, which not only affects the production environment, but also poses a threat to the health of workers. To solve this problem, the low-odor catalyst DPA (Dipropylene Glycol Adipate) came into being. This article will explore in detail the key role of DPA in the production of high-performance polyurethane foams, including its product parameters, application effects, and how to improve product quality and reduce odor through the use of DPA.

1. Challenges in the production of polyurethane foam

1.1 Limitations of traditional catalysts

In the production process of polyurethane foam, the action of the catalyst is crucial. Although traditional catalysts such as amine catalysts can effectively promote reactions, they are often accompanied by a strong ammonia smell, which not only affects the production environment, but may also pose a threat to the health of workers. In addition, traditional catalysts may produce by-products during the reaction, affecting the physical properties of the foam.

1.2 The root cause of odor problems

The odor in polyurethane foam production mainly comes from the following aspects:

Catalytic Decomposition: Traditional catalysts are prone to decomposition at high temperatures, producing irritating gases such as ammonia.
Side reaction products: Some low molecular weight organic compounds may be produced during the reaction, which have a strong odor.
Raw Material Volatility: Some raw materials may evaporate during the reaction, causing odor.

2. Introduction of low-odor catalyst DPA

2.1 Basic characteristics of DPA

DPA is a low-odor catalyst whose main component is dipropylene glycol adipate. Compared with traditional amine catalysts, DPA has the following advantages:

Low Odor: DPA hardly produces irritating gases such as ammonia during the reaction process, which significantly reduces odor in the production environment.
High-efficiency Catalysis: DPA can effectively promote the formation of polyurethane foam and improve production efficiency.
Good stability: DPA is not easy to decompose at high temperatures, reducing the occurrence of side reactions.

2.2 Chemical structure of DPA

The chemical structure of DPA is as follows:

Chemical Name	Chemical formula	Molecular Weight
Dipropylene glycol adipate	C12H22O6	262.3

DPA contains two propylene glycol groups and one adipic acid group in its molecular structure, which makes it exhibit excellent catalytic properties in the polyurethane reaction.

III. Application of DPA in the production of high-performance polyurethane foam

3.1 Catalytic mechanism of DPA

The catalytic mechanism of DPA in polyurethane foam production mainly includes the following aspects:

Promote the reaction between isocyanate and polyol: DPA can effectively reduce the reaction activation energy, accelerate the reaction between isocyanate and polyol, and form a polyurethane chain.
Control reaction rate: DPA can adjust the reaction rate, avoid too fast or too slow reaction, and ensure uniformity and stability of the foam.
Reduce side reactions: DPA can inhibit the occurrence of side reactions during the reaction, reduce the generation of low-molecular weight organic compounds, and thus reduce odor.

3.2 Application effects of DPA

By application in actual production, DPA shows the following significant effects:

Reduce odor: After using DPA, the ammonia concentration in the production environment is significantly reduced, and the working environment of workers is improved.
Improving product quality: DPA can effectively control the reaction process, ensure the uniformity and stability of the foam, and improve the physical performance of the product.
Improving Production Efficiency: The efficient catalytic performance of DPA can shorten reaction time and improve production efficiency.

3.3 Product parameters of DPA

The following are the main product parameters of DPA:

parameter name	parameter value
Appearance	Colorless to light yellowLiquid
Density (25?)	1.05 g/cm³
Viscosity (25?)	200-300 mPa·s
Flashpoint	>200?
Solution	Easy soluble in water, alcohols, and esters
Storage temperature	5-30?
Shelf life	12 months

IV. Effect of DPA on the properties of polyurethane foam

4.1 Physical performance

Polyurethane foams produced using DPA as catalysts show the following advantages in physical properties:

Enormal density: DPA can effectively control the reaction process, ensure uniform density of the foam, and improve the overall performance of the product.
Good elasticity: DPA can promote the formation of polyurethane chains, improve the elasticity of the foam, and enable it to quickly return to its original state after being pressed.
High compressive strength: DPA can improve the compressive strength of the foam, making it less likely to deform when it is under high pressure.

4.2 Chemical Properties

DPA also has a significant impact on the chemical properties of polyurethane foam:

Chemical corrosion resistance: DPA can improve the chemical corrosion resistance of foam, making it less likely to degrade when it comes into contact with acids, alkalis and other chemical substances.
Aging resistance: DPA can improve the aging resistance of foam and extend its service life.

4.3 Environmental performance

Polyurethane foams produced using DPA as catalysts show the following advantages in environmental protection performance:

Low VOC Emissions: DPA can reduce the emission of volatile organic compounds (VOCs) during the reaction process and reduce environmental pollution.
Recyclability: DPA can improve the recyclability of foam and reduce the production of waste.

V. Application cases of DPA in actual production

5.1 Furniture Industry

In the furniture industry, polyurethane foam is widely used in the production of sofas, mattresses and other products. After using DPA as a catalyst, the odor in the furniture production environment is significantly reduced and the working environment of workers is improved. At the same time, the foam products produced show excellent performance in terms of elasticity, compressive strength, etc., which improves the comfort and durability of furniture.

5.2 Automotive Industry

In the automotive industry, polyurethane foam is widely used in the production of seats, interiors and other components. After using DPA as a catalyst, the odor in the car’s interior has been significantly reduced, improving the quality of the air in the car. At the same time, the foam products produced show excellent performance in terms of aging resistance and chemical corrosion resistance, extending the service life of the automotive interior.

5.3 Construction Industry

In the construction industry, polyurethane foam is widely used in the production of thermal insulation materials, sound insulation materials, etc. After using DPA as a catalyst, the odor of the building materials is significantly reduced, improving the comfort of the construction environment. At the same time, the foam products produced show excellent performance in thermal insulation, sound insulation, etc., which improves the energy-saving effect of the building.

VI. Future development prospects of DPA

6.1 Technological Innovation

With the continuous advancement of technology, DPA production processes and application technologies are also constantly innovating. In the future, DPA is expected to make breakthroughs in the following aspects:

High-efficiency Catalysis: By improving the molecular structure of DPA, it further improves its catalytic efficiency and shortens the reaction time.
Multifunctionalization: Develop DPA with multiple functions, such as DPA with both catalytic and flame retardant properties, to improve the overall performance of the product.
Environmental Performance: By improving the production process of DPA, it further reduces its VOC emissions and improves the environmental performance of the product.

6.2 Market prospects

With the continuous increase in environmental awareness, the market demand for low-odor catalyst DPA will continue to grow. In the future, DPA is expected to be widely used in the following fields:

High-end furniture: As consumers’ requirements for furniture comfort and environmental performance continue to increase, DPA has broad prospects for its application in the furniture industry.
New Energy Vehicles: With the rapid development of new energy vehicles, the demand for environmentally friendly interior materials has been increasing, and DPA has broad prospects for its application in the automotive industry.
Green Building: With the popularization of green building concepts, the demand for environmentally friendly building materials has been increasing.DPA has broad application prospects in the construction industry.

7. Conclusion

DPA, a low-odor catalyst, plays a key role in the production of high-performance polyurethane foams. By using DPA, it can not only significantly reduce odor in the production environment and improve the working environment of workers, but also improve the physical and chemical properties of polyurethane foam and improve the overall quality of the product. With the continuous advancement of technology and the continuous growth of market demand, DPA’s future application prospects will be broader. Through continuous innovation and improvement, DPA is expected to be widely used in more fields and make greater contributions to the development of modern industry.

Appendix: Comparison of properties of DPA and other catalysts

Catalytic Type	Odor intensity	Catalytic Efficiency	Stability	Environmental Performance
Traditional amine catalysts	High	High	General	General
DPA	Low	High	High	High
Other low-odor catalysts	Low	General	General	General

It can be seen from the comparison that DPA shows significant advantages in odor strength, catalytic efficiency, stability and environmental protection performance, and is an ideal choice for the production of high-performance polyurethane foam.

Acknowledgements

Thank you all readers for your attention and support for this article. I hope that through the introduction of this article, we can help you better understand the key role of the low-odor catalyst DPA in the production of high-performance polyurethane foams, and provide reference and reference for the development of related industries.

1•45 464748 49•982

Page 47 of 982