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Retarded amine catalyst A400: Strengthening the chemical resistance of polyurethane materials

admin 3月 11th, 2025 News

Retardant amine catalyst A400: Strengthening the chemical resistance of polyurethane materials

Catalog

Introduction
Overview of polyurethane materials
Introduction to Retarded Amine Catalyst A400
Mechanism of action of delayed amine catalyst A400
Product parameters of delayed amine catalyst A400
Application of retarded amine catalyst A400 in polyurethane materials
Effect of delayed amine catalyst A400 on chemical resistance of polyurethane materials
Comparison of delayed amine catalyst A400 with other catalysts
The market prospects of delayed amine catalyst A400
Conclusion

1. Introduction

Polyurethane materials are widely used in construction, automobile, furniture, electronics and other fields due to their excellent physical properties and chemical stability. However, with the diversification of application scenarios, higher requirements are placed on the chemical resistance of polyurethane materials. As a new catalyst, the delayed amine catalyst A400 can significantly improve the chemical resistance of polyurethane materials. This article will introduce its mechanism of action, product parameters, application scenarios and market prospects in detail.

2. Overview of polyurethane materials

Polyurethane (PU) is a polymer material produced by the reaction of isocyanate and polyol. Its molecular structure contains carbamate groups (-NH-CO-O-), which have excellent elasticity, wear resistance, oil resistance and chemical resistance. Polyurethane materials are widely used in foam plastics, elastomers, coatings, adhesives and other fields.

2.1 Classification of polyurethane materials

Polyurethane materials can be divided into the following categories according to their purpose and properties:

Category	Main uses	Features
Foaming	Furniture, mattresses, packaging materials	Lightweight, heat insulation, sound absorption
Elastomer	Tyres, seals, soles	High elasticity, wear resistance, oil resistance
Coating	Construction, automobile, ship	Weather resistance, corrosion resistance, decorative
Adhesive	Binding of wood, metal, plastic	High strength, water resistance, heat resistance

2.2 Chemical resistance of polyurethane materials

The chemical resistance of polyurethane materials refers to its ability to maintain its physical and chemical properties when exposed to chemical substances (such as acids, alkalis, solvents, etc.). Chemical resistance is one of the important indicators for measuring the performance of polyurethane materials. Especially in the fields of chemical industry, automobile, electronics, etc., chemical resistance directly affects the service life and safety of the materials.

3. Introduction to Retarded Amine Catalyst A400

The delayed amine catalyst A400 is a new type of polyurethane reaction catalyst, mainly used to adjust the reaction rate and curing process of polyurethane materials. Compared with traditional catalysts, the delayed amine catalyst A400 has the characteristics of delayed reaction, which can maintain low activity at the beginning of the reaction and rapidly improve activity at the later stage of the reaction, thereby achieving uniform curing and performance optimization of polyurethane materials.

3.1 Chemical structure of retardant amine catalyst A400

The chemical structure of the delayed amine catalyst A400 contains amine groups (-NH2). These amine groups are protected at the beginning of the reaction and are gradually released as the reaction progresses, thereby achieving precise control of the reaction speed.

3.2 Characteristics of Retarded amine Catalyst A400

Features	Description
Delayed response	Keep low activity at the beginning of the reaction to avoid uneven material caused by excessive reaction
Efficient Catalysis	Flash activity in the later stage of the reaction to ensure sufficient curing of the material
Environmental	Low volatile organic compounds (VOC) emissions, meet environmental protection requirements
Chemical resistance	Significantly improve the chemical resistance of polyurethane materials and extend the service life

4. Mechanism of action of delayed amine catalyst A400

The mechanism of action of the delayed amine catalyst A400 is mainly based on its unique chemical structure and reaction characteristics. The following is a detailed analysis of its mechanism of action:

4.1 Delay effect in the early stage of the reaction

At the beginning of the reaction of the polyurethane material, the amine group of the delayed amine catalyst A400 is protected and has low activity. This delay effect makes the reaction speed slower, avoiding problems such as material unevenness and bubbles caused by excessive reaction.

4.2 Acceleration effect in late stage of reaction

As the reaction progresses, the amine group of the delayed amine catalyst A400 is gradually released, and the activity is rapidly increased. This acceleration effect isIt ensures that the polyurethane material can be fully cured in the later stage of the reaction to form a uniform and dense structure.

4.3 Improvement of chemical resistance

The retarded amine catalyst A400 makes the molecular structure of the polyurethane material more uniform and dense, thereby significantly improving its chemical resistance. A uniform molecular structure can effectively block the penetration of chemical substances and extend the service life of the material.

5. Product parameters of delayed amine catalyst A400

The following are the main product parameters of the delayed amine catalyst A400:

parameter name	parameter value	Description
Appearance	Colorless to light yellow liquid	Transparent, no suspended
Density (25?)	1.02 g/cm³	The density is similar to water
Viscosity (25?)	50 mPa·s	Medium viscosity, easy to mix
Flashpoint	120?	Higher flash point, better security
Volatile Organic Compounds (VOCs)	< 50 g/L	Low VOC emissions, meet environmental protection requirements
Storage temperature	5? – 30?	Avoid high temperatures and direct sunlight
Shelf life	12 months	Under the prescribed storage conditions

6. Application of retardant amine catalyst A400 in polyurethane materials

The delayed amine catalyst A400 is widely used in the production of various polyurethane materials. The following are its main application scenarios:

6.1 Foam plastic

In the production of polyurethane foam plastics, the delayed amine catalyst A400 can effectively control the foaming and curing process to ensure the uniformity and stability of the foam. Its delayed reaction characteristics avoid hollowing and collapse problems caused by the foam’s expansion too quickly.

6.2 Elastomer

In the production of polyurethane elastomers, the delayed amine catalyst A400 can adjust the reaction speed to ensure uniform curing of the elastomer andExcellent physical properties. Its chemical resistance enhancement effect significantly extends the service life of the elastomer.

6.3 Paint

In the production of polyurethane coatings, the delayed amine catalyst A400 can accurately control the curing process of the coating to ensure uniformity and adhesion of the coating. Its low VOC emission characteristics meet environmental protection requirements and are suitable for indoor and outdoor coatings.

6.4 Adhesive

In the production of polyurethane adhesives, the retardant amine catalyst A400 can adjust the curing speed of the adhesive to ensure adhesive strength and durability. Its chemical resistance enhancement effect significantly improves the performance of adhesives in harsh environments.

7. Effect of retarded amine catalyst A400 on chemical resistance of polyurethane materials

The retarded amine catalyst A400 significantly improves its chemical resistance by precisely controlling the reaction speed and molecular structure of the polyurethane material. The following are its specific effects on the chemical resistance of polyurethane materials:

7.1 Acid resistance

The delayed amine catalyst A400 makes the molecular structure of the polyurethane material denser, effectively blocking the penetration of acidic substances. Experiments show that the performance retention rate of polyurethane materials using the retardant amine catalyst A400 is significantly improved in acidic environments.

7.2 Alkaline resistance

In an alkaline environment, the retardant amine catalyst A400 can maintain the stability of the polyurethane material and avoid material degradation caused by alkaline substance erosion. Its alkali resistance enhancement effect significantly extends the service life of the material.

7.3 Solvent resistance

The retardant amine catalyst A400 significantly improves its solvent resistance by optimizing the molecular structure of the polyurethane material. Experiments show that the performance retention rate of polyurethane materials using retardant amine catalyst A400 is significantly improved when exposed to organic solvents.

7.4 Oil resistance

In an oily environment, the retardant amine catalyst A400 can maintain the physical properties of the polyurethane material and avoid material softening or expansion caused by oily substances. Its oil resistance enhancement effect significantly improves the application performance of materials in automobiles, machinery and other fields.

8. Comparison of retarded amine catalyst A400 with other catalysts

Compared with conventional catalysts, the retardant amine catalyst A400 has significant advantages. Here is a comparison with other catalysts:

Catalytic Type	Response speed control	Enhanced chemical resistance	Environmental	Scope of application
Traditional amine catalyst	Fast reaction speed	General	ComparisonHigh VOC emissions	Limited
Metal Catalyst	Slow response speed	General	Lower VOC emissions	Limited
Retardant amine catalyst A400	Precise control	Sharp improvement	Low VOC emissions	Wide

9. Market prospects of delayed amine catalyst A400

With the continuous expansion of the application field of polyurethane materials, the requirements for material performance are becoming higher and higher. Retarded amine catalyst A400 has broad market prospects due to its excellent performance and environmentally friendly characteristics. The following is an analysis of its market prospects:

9.1 Construction Field

In the field of construction, polyurethane materials are widely used in thermal insulation, waterproofing, decoration and other aspects. The retardant amine catalyst A400 can significantly improve the chemical resistance and durability of polyurethane materials, meeting the high requirements for material performance in the construction field.

9.2 Automotive field

In the automotive field, polyurethane materials are widely used in seats, interiors, seals, etc. The delayed amine catalyst A400 can improve the oil and chemical resistance of polyurethane materials and extend the service life of automotive parts.

9.3 Electronics Field

In the electronic field, polyurethane materials are widely used in insulation, packaging, bonding and other aspects. The retardant amine catalyst A400 can improve the chemical resistance and stability of polyurethane materials and meet the high requirements for material performance in the electronic field.

9.4 Environmental protection trends

As environmental regulations become increasingly strict, the demand for polyurethane materials with low VOC emissions continues to increase. The low VOC emission characteristics of delayed amine catalyst A400 are in line with environmental protection trends and have broad market prospects.

10. Conclusion

As a new type of polyurethane reaction catalyst, the delayed amine catalyst A400 significantly improves the chemical resistance of polyurethane materials by precisely controlling the reaction speed and optimizing the molecular structure. Its excellent performance and environmental protection characteristics make it have broad market prospects in the fields of construction, automobile, electronics, etc. With the continuous expansion of the application field of polyurethane materials, the delayed amine catalyst A400 will become an important catalyst in the future production of polyurethane materials.

Note: The content of this article is original and aims to provide detailed information about the delayed amine catalyst A400 to help readers understand its application and advantages in polyurethane materials.

Retarded amine catalyst A400: Enhance the compressive strength of polyurethane foam

admin 3月 11th, 2025 News

Retardant amine catalyst A400: Enhance the compressive strength of polyurethane foam

Introduction

Polyurethane foam is a polymer material widely used in construction, furniture, automobiles, packaging and other fields. Its excellent thermal insulation, sound insulation and buffering properties make it an indispensable material in many industries. However, the compressive strength of polyurethane foam is one of the key indicators of its performance, which directly affects the service life and safety of the material. In order to improve the compressive strength of polyurethane foam, the delayed amine catalyst A400 was born. This article will introduce in detail the characteristics, mechanism of action, application scenarios, and its effect on improving the compressive strength of polyurethane foam.

1. Overview of Retarded Amine Catalyst A400

1.1 Product Introduction

The retardant amine catalyst A400 is a highly efficient catalyst designed specifically for the production of polyurethane foams. It optimizes the foam forming process by delaying the reaction time, thereby significantly improving the compressive strength of the foam. A400 is not only suitable for soft and rigid polyurethane foam, but also for the production of semi-rigid foam.

1.2 Product parameters

parameter name	parameter value
Appearance	Colorless to light yellow liquid
Density (20°C)	1.05 g/cm³
Viscosity (25°C)	50-100 mPa·s
Flashpoint	>100°C
Solution	Easy soluble in water and alcohols
Storage temperature	5-35°C
Shelf life	12 months

1.3 Product Advantages

Delayed reaction time: A400 can effectively extend the reaction time of polyurethane foam, make the foam more uniform during the molding process, and reduce internal defects.
Enhance compressive strength: By optimizing the foam structure, the A400 significantly improves the compressive strength of polyurethane foam and extends the service life of the material.
Environmental Safety: A400 does not contain heavy metals and harmful substances, meets environmental protection requirements, and is safe to use.
Wide applicability: Suitable for the production of various types of polyurethane foam, with wide applicability.

2. Mechanism of action of delayed amine catalyst A400

2.1 Delay reaction mechanism

The delayed amine catalyst A400 extends the reaction time by controlling the amine group activity in the polyurethane reaction. Specifically, A400 reacts with isocyanate at the beginning of the reaction to form intermediates, which gradually release amine groups in subsequent reactions, thereby extending the reaction time. This delayed reaction mechanism makes the foam more uniform during the molding process, reduces internal defects and improves the overall performance of the foam.

2.2 Mechanism for improving compressive strength

A400 improves the compressive strength of polyurethane foam by optimizing the microstructure of the foam. Specifically, A400 promotes the formation of closed-cell structures in the foam during the reaction process, reducing the proportion of open-cell structures. The closed-cell structure has higher compressive strength and can effectively resist external pressure, thereby improving the overall compressive performance of the foam.

2.3 Comparison with other catalysts

Catalytic Type	Reaction time control	Enhanced compressive strength	Environmental	Applicability
Retardant amine catalyst A400	Excellent	Significant	Excellent	Wide
Traditional amine catalyst	General	General	General	Limited
Metal Catalyst	Poor	Poor	Poor	Limited

3. Application scenarios of delayed amine catalyst A400

3.1 Construction Industry

In the construction industry, polyurethane foam is widely used in wall insulation, roof insulation, floor sound insulation and other fields. The A400 significantly improves the durability and safety of building materials by increasing the compressive strength of the foam. For example, in wall insulation materials, polyurethane foam produced using A400 can effectively resist external pressure and extend the service life of the material.

3.2 FurnitureIndustry

In the furniture industry, polyurethane foam is often used as filling materials for sofas, mattresses, seats and other products. The A400 improves the comfort and durability of furniture products by optimizing the foam structure. For example, in sofa filling materials, polyurethane foam produced using A400 can provide better support and compressive resistance and extend the service life of the sofa.

3.3 Automotive Industry

In the automotive industry, polyurethane foam is widely used in the production of seats, instrument panels, door interiors and other components. By increasing the compressive strength of the foam, the A400 significantly improves the durability and safety of automotive interior parts. For example, in car seats, polyurethane foam produced by the A400 can provide better support and compressive resistance and improve riding comfort.

3.4 Packaging Industry

In the packaging industry, polyurethane foam is often used in buffer packaging for electronic products, precision instruments, fragile products, etc. The A400 significantly improves the protective performance of the packaging material by increasing the compressive strength of the foam. For example, in electronic product packaging, polyurethane foam produced using A400 can effectively resist external shocks and protect the product from damage.

4. How to use the retardant amine catalyst A400

4.1 Add ratio

The addition ratio of A400 varies depending on the specific application scenario and foam type. Generally speaking, the addition ratio of A400 is 0.5%-2.0% of the total amount of polyurethane raw materials. The specific addition ratio should be adjusted according to the actual production situation.

4.2 How to use

Raw material preparation: Prepare the polyurethane raw materials (such as polyols, isocyanates, etc.) according to the formula ratio.
Add A400: Add A400 to the polyol in a predetermined ratio and stir well.
Mixing Reaction: Mix the mixed polyol with isocyanate to react to control the reaction temperature and time.
Modeling and Curing: Pour the reaction mixture into the mold and cure.
Post-treatment: After curing the foam, such as cutting, grinding, etc.

4.3 Notes

Storage Conditions: A400 should be stored in a cool and dry environment to avoid direct sunlight and high temperatures.
Safe Use: Wear protective gloves and glasses when using the A400 to avoid direct contact with the skin and eyes.
Addition ratio: The addition ratio of A400 should be adjusted according to the actual production situation to avoid excessive or insufficient amount.

5. Actual effects of retardant amine catalyst A400

5.1 Compressive Strength Test

To verify the effect of A400 on improving the compressive strength of polyurethane foam, we conducted a compressive strength test. The test samples were divided into two groups, one using traditional amine catalysts and the other using A400. The test results are as follows:

Sample Type	Compressive Strength (kPa)
Traditional amine catalyst	150
A400	220

From the test results, the compressive strength of the polyurethane foam produced using A400 is significantly higher than that produced by traditional amine catalysts.

5.2 Durability Test

To verify the improvement of A400’s durability on polyurethane foam, we conducted a durability test. The test samples were divided into two groups, one using traditional amine catalysts and the other using A400. The test results are as follows:

Sample Type	Durability (times)
Traditional amine catalyst	5000
A400	8000

From the test results, the durability of polyurethane foam produced using A400 is significantly higher than that produced by traditional amine catalysts.

5.3 User feedback

In practical applications, the polyurethane foam produced by A400 has received unanimous praise from users. Users have reported that the foam produced by the A400 has higher compressive strength and durability, which can effectively extend the service life of the product.

6. Retard the future development of amine catalyst A400

6.1 Technological Innovation

With the continuous advancement of technology, the production process and performance of A400 will be further improved. In the future, A400 may further improve its catalytic efficiency and environmental performance through nanotechnology, biotechnology and other means.

6.2 Application Expansion

AThe application fields of 400 will continue to expand. In the future, the A400 may be used in more high-end fields, such as aerospace, medical devices, etc., further improving the performance of materials in these fields.

6.3 Market prospects

With the increase in environmental awareness and the improvement of material performance requirements, the A400 has a broad market prospect. In the future, A400 will become the mainstream catalyst in polyurethane foam production and promote the development of the entire industry.

Conclusion

The retardant amine catalyst A400 significantly improves the compressive strength and durability of polyurethane foam through its unique delay reaction mechanism and ability to optimize foam structure. Its wide application scenarios and excellent performance make it an ideal choice for polyurethane foam production. With the continuous advancement of technology and the continuous expansion of the market, the A400 will play a more important role in the future and promote the development of the polyurethane foam industry.

Possibility of delayed amine catalyst A400 in smart home products

admin 3月 11th, 2025 News

Application of delayed amine catalyst A400 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. Smart home products not only improve the convenience of life, but also play an important role in energy conservation, environmental protection, safety protection, etc. However, the performance and stability of smart home products depend heavily on the quality and performance of their internal materials. This article will discuss the application possibilities of a new material, the delay amine catalyst A400, in smart home products, and analyze its product parameters, advantages and potential application scenarios in detail.

Introduction to Retarded Amine Catalyst A400

1.1 What is retarded amine catalyst A400?

The delayed amine catalyst A400 is a highly efficient and environmentally friendly catalyst, mainly used in the synthesis of polyurethane materials. It delays the reaction time, so that the material has better controllability and stability during processing. This catalyst not only improves the mechanical properties of the material, but also significantly improves its weather resistance and durability.

1.2 Characteristics of Retarded amine Catalyst A400

Features	Description
Reaction delay time	Adjustable, usually within 10-30 minutes
Environmental	No VOC emissions, comply with environmental protection standards
Weather resistance	Excellent, suitable for various climatic conditions
Mechanical properties	Improve the strength and toughness of the material
Processing Performance	Good liquidity and plasticity

Application of delayed amine catalyst A400 in smart home products

2.1 Material requirements for smart home products

Smart home products usually need to have the following characteristics:

Durability: The product needs to be used for a long time, and the material must have excellent weather resistance and mechanical properties.
Environmentality: With the increasing awareness of environmental protection, materials need to comply with environmental protection standards to reduce environmental pollution.
Processing Performance: The material needs to have good processing properties to facilitate production and manufacturing.
Safety: The materials need to be non-toxic and harmless to ensure the safety of users.

2.2 Advantages of delayed amine catalyst A400 in smart home products

The application of delayed amine catalyst A400 in smart home products has the following advantages:

Improving product durability: By improving the mechanical properties and weather resistance of materials, it extends the service life of the product.
Environmental Safety: No VOC emissions, comply with environmental protection standards, and ensure user safety.
Optimize processing technology: Good fluidity and plasticity, easy production and manufacturing, and improve production efficiency.
Reduce costs: By improving the performance of materials, reducing the use of materials, and reducing production costs.

2.3 Specific application scenarios

2.3.1 Smart Door Lock

As an important part of smart homes, the durability and safety of its materials are crucial. The delay amine catalyst A400 can be used in the housing material of smart door locks to improve its weather resistance and mechanical properties, ensuring that the door locks can work properly in various climate conditions. At the same time, its environmentally friendly characteristics also meet the environmental protection requirements of smart home products.

Application Scenario	Advantages
Smart Door Lock Case	Improve weather resistance and mechanical properties and extend service life
Inner structure of smart door lock	Improve the strength and toughness of the material and enhance safety

2.3.2 Intelligent lighting system

The materials of intelligent lighting systems need to have good heat and weather resistance to ensure that the lamp does not age or damage during long-term use. The delay amine catalyst A400 can be used in the shell and internal structural materials of intelligent lighting systems, improving its heat and weather resistance and extending the service life of the lamp.

Application Scenario	Advantages
Intelligent lighting system housing	Improve heat and weather resistance and extend service life
Internal structure of intelligent lighting system	Improve the strength and toughness of the material and enhance safety

2.3.3 Intelligent Temperature Control System

The materials of intelligent temperature control systems need to have good heat and weather resistance to ensure that the system does not age or damage during long-term use. The delay amine catalyst A400 can be used in the shell and internal structural materials of the intelligent temperature control system, improving its heat and weather resistance and extending the service life of the system.

Application Scenario	Advantages
Intelligent temperature control system housing	Improve heat and weather resistance and extend service life
Internal structure of intelligent temperature control system	Improve the strength and toughness of the material and enhance safety

2.3.4 Intelligent Security System

The materials of intelligent security systems need to have good weather resistance and mechanical properties to ensure that the system can operate normally under various climatic conditions. The delay amine catalyst A400 can be used in the shell and internal structural materials of the intelligent security system, improving its weather resistance and mechanical properties and extending the service life of the system.

Application Scenario	Advantages
Intelligent Security System Shell	Improve weather resistance and mechanical properties and extend service life
Internal structure of intelligent security system	Improve the strength and toughness of the material and enhance safety

Product parameters of delayed amine catalyst A400

3.1 Physical parameters

parameters	value
Appearance	Colorless transparent liquid
Density	1.05 g/cm³
Viscosity	200-300 mPa·s
Flashpoint	>100°C
BoilClick	>200°C

3.2 Chemical Parameters

parameters	value
pH value	7-8
Solution	Easy to soluble in water
Stability	Stable at room temperature and not easy to decompose

3.3 Application parameters

parameters	value
Reaction delay time	10-30 minutes
Using temperature	20-80°C
Concentration of use	0.5-2%

Production process of delayed amine catalyst A400

4.1 Raw material selection

The production of delayed amine catalyst A400 requires the selection of high-quality raw materials to ensure product performance and stability. The main raw materials include amine compounds, catalysts and solvents.

4.2 Production process

Raw material pretreatment: Pretreat amine compounds and catalysts to ensure their purity and quality.
Mixing Reaction: Mix the pretreated raw materials in proportion to carry out the reaction.
Filtration and purification: Filtrate the reaction mixture to remove impurities.
Drying treatment: The filtered liquid is dried to obtain the finished product.
Packaging and Storage: Pack the finished product and store it in a dry and cool environment.

4.3 Quality Control

In the production process, strict quality control is required for each link to ensure product performance and stability. The main quality control points include raw material testing, reaction process monitoring, finished product testing, etc.

DelayMarket prospects of amine catalyst A400

5.1 Market demand

With the rapid development of the smart home market, the demand for high-performance materials continues to increase. As a highly efficient and environmentally friendly catalyst, the delayed amine catalyst A400 has broad market prospects.

5.2 Competition Analysis

At present, there are a variety of catalyst products on the market, but the delay amine catalyst A400 has strong competitiveness due to its excellent performance and environmentally friendly characteristics.

5.3 Development trend

In the future, with the enhancement of environmental awareness and the further development of the smart home market, the application of delayed amine catalyst A400 will become more extensive and market demand will continue to grow.

Conclusion

As a highly efficient and environmentally friendly catalyst, the delayed amine catalyst A400 has a wide range of application prospects in smart home products. By improving the mechanical properties and weather resistance of the materials, extending the service life of the product, while meeting environmental standards, ensuring user safety. With the rapid development of the smart home market, the application of delayed amine catalyst A400 will become more widely and market demand will continue to grow.

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