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Retarded amine catalyst A400: Achieve higher quality polyurethane foam surface

admin 3月 9th, 2025 News

Retardant amine catalyst A400: Achieve higher quality polyurethane foam surface

Introduction

Polyurethane foam materials have become one of the indispensable materials in modern industry due to their excellent physical properties and wide application fields. However, the surface quality of polyurethane foam has always been a key focus in the production process. In order to improve the surface quality of polyurethane foam, the delay amine catalyst A400 was born. This article will introduce in detail the characteristics, applications of the retardant amine catalyst A400 and its advantages in improving the surface quality of polyurethane foam.

1. Overview of Retarded Amine Catalyst A400

1.1 What is retarded amine catalyst A400?

The retardant amine catalyst A400 is a highly efficient catalyst specially used in the production of polyurethane foams. By delaying the reaction time, it allows the foam to better control the foaming and gel reaction during the molding process, thereby achieving a more uniform foam structure and a smoother surface.

1.2 Main characteristics of retardant amine catalyst A400

Delayed reaction time: A400 can effectively extend the foaming and gel reaction time of polyurethane foam, making the foam more uniform during the molding process.
High-efficiency Catalysis: A400 has efficient catalytic effects, can quickly start reactions at lower temperatures and improve production efficiency.
Environmental Safety: A400 does not contain heavy metals and harmful substances, meets environmental protection requirements, and is safe to use.
Good stability: The A400 is stable during storage and use, and is not easy to decompose or fail.

2. Application of Retarded Amine Catalyst A400

2.1 Application in the production of polyurethane foam

The delayed amine catalyst A400 is widely used in the production of various polyurethane foams, including soft foams, rigid foams and semi-rigid foams. Its main application areas include:

Furniture Industry: Used to produce soft foam for furniture such as sofas and mattresses.
Auto industry: Foam materials used to produce car seats, interiors and other components.
Construction Industry: Used to produce rigid foams such as thermal insulation materials and sound insulation materials.
Packaging Industry: Semi-rigid foam used to produce packaging materials.

2.2 Application Cases

The following are some specific application cases that demonstrate the application effect of the delayed amine catalyst A400 in different fields.

Application Fields	Product Type	User effect
Furniture Industry	Solar Foam	The foam surface is smooth, has good elasticity and has a long service life
Auto Industry	Car Seat	The foam density is uniform, the comfort is high, and the durability is strong
Construction Industry	Insulation Material	The foam structure is uniform and the insulation performance is excellent
Packaging Industry	Packaging Materials	Foam has good compressive resistance and strong protection

3. Advantages of Retarded amine Catalyst A400

3.1 Improve foam surface quality

The delayed amine catalyst A400 delays the reaction time so that the foam can better control the foaming and gel reaction during the molding process, thereby achieving a more uniform foam structure and a smoother surface. Specific advantages include:

Smooth surface: A400 can effectively reduce bubbles and holes on the foam surface, making the surface smoother.
Enormal structure: A400 can make the internal structure of the foam more uniform and improve the physical properties of the foam.
Reduce defects: The A400 can reduce defects in foam production process, such as cracking, deformation, etc.

3.2 Improve production efficiency

The delayed amine catalyst A400 has a highly efficient catalytic effect, which can quickly start the reaction at lower temperatures and improve production efficiency. Specific advantages include:

Fast reaction speed: A400 can quickly start reactions at lower temperatures and shorten production cycles.
Low energy consumption: The A400 can react at a lower temperature, reducing energy consumption and reducing production costs.
Good stability: The A400 is stable during storage and use, and is not easy to decompose or fail, reducing uncertainty in production.

3.3 Environmental protection and safety

The delayed amine catalyst A400 does not contain heavy metals and harmful substances, meets environmental protection requirements and is safe to use. Specific advantages include:

Environmental Protection: A400 does not contain heavy metals and harmful substances, meets environmental protection requirements, and reduces environmental pollution.
Safety: The A400 is safe and reliable during use and will not cause harm to the operator.

4. Product parameters of delayed amine catalyst A400

The following are the main product parameters of the retardant amine catalyst A400 for user reference.

parameter name	parameter value
Appearance	Colorless to light yellow liquid
Density (25?)	1.02 g/cm³
Viscosity (25?)	50 mPa·s
Flashpoint	>100?
Storage temperature	5-30?
Shelf life	12 months

5. How to use the retardant amine catalyst A400

5.1 How to use

The use method of retardant amine catalyst A400 is relatively simple, the specific steps are as follows:

Ingredients: Mix A400 evenly with other raw materials according to the formula requirements.
Stir: Stir the mixed raw materials thoroughly to ensure that the A400 is evenly dispersed.
Foaming: Pour the stirred raw materials into the mold and perform the foaming reaction.
Modeling: After the foaming reaction is completed, the molding process is carried out to obtain the final foam product.

5.2 Notes

When using the delayed amine catalyst A400, the following things need to be paid attention to:

Storage Conditions: A400 should be stored in a cool and dry place, avoid direct sunlight and high temperatures.
Usage amount: The amount of A400 should be adjusted according to the specific formula to avoid excessive use.
Safety Protection: When using the A400, appropriate protective equipment should be worn, such as gloves, masks, etc.

6. Market prospects of delayed amine catalyst A400

6.1 Market demand

With the wide application of polyurethane foam materials in various fields, the market demand for high-quality foam materials is increasing. As a catalyst that can effectively improve the surface quality of foam, the market demand prospects are broad.

6.2 Development trends

In the future, with the continuous improvement of environmental protection requirements and the continuous advancement of technology, the delayed amine catalyst A400 will develop in a more environmentally friendly and efficient direction. Specific development trends include:

Environmentalization: In the future, the A400 will pay more attention to environmental protection performance and reduce environmental pollution.
Efficiency: In the future, the A400 will pay more attention to catalytic efficiency and improve production efficiency.
Multifunctionalization: In the future, the A400 will pay more attention to versatility and meet the needs of different fields.

7. Conclusion

As a highly efficient and environmentally friendly catalyst, the delayed amine catalyst A400 has significant advantages in improving the surface quality of polyurethane foam. By delaying the reaction time, the A400 can achieve a more uniform foam structure and a smoother surface, improving the physical properties and service life of the foam. At the same time, the A400 has an efficient catalytic effect, which can quickly start the reaction at lower temperatures and improve production efficiency. In the future, with the continuous increase in market demand and the continuous advancement of technology, the delayed amine catalyst A400 will play a more important role in the production of polyurethane foam.

8. Appendix

8.1 FAQ

Q1: What is the amount of delayed amine catalyst A400 used?

A1: The amount of A400 used should be adjusted according to the specific formula. The recommended amount is 0.1%-0.5% of the total formula.

Q2: What are the storage conditions for the delayed amine catalyst A400?

A2: A400 should be stored in a cool and dry place to avoid direct sunlight and high temperatures, and the storage temperature is 5-30?.

Q3: Retarded amine catalyst A4How long is the shelf life of 00?

A3: The shelf life of A400 is 12 months, and it is recommended to use it during the shelf life.

8.2 Product Parameters Table

parameter name	parameter value
Appearance	Colorless to light yellow liquid
Density (25?)	1.02 g/cm³
Viscosity (25?)	50 mPa·s
Flashpoint	>100?
Storage temperature	5-30?
Shelf life	12 months

8.3 Application Case Table

Application Fields	Product Type	User effect
Furniture Industry	Solar Foam	The foam surface is smooth, has good elasticity and has a long service life
Auto Industry	Car Seat	The foam density is uniform, the comfort is high, and the durability is strong
Construction Industry	Insulation Material	The foam structure is uniform and the insulation performance is excellent
Packaging Industry	Packaging Materials	Foam has good compressive resistance and strong protection

Through the above content, I believe that readers have a more comprehensive understanding of the delayed amine catalyst A400. It is hoped that this article can provide valuable reference and help to practitioners in the field of polyurethane foam production.

The mechanism of regulation of reactive activity of amine catalyst A400 on polyurethane

admin 3月 9th, 2025 News

Mechanism for the regulation of the reactive activity of amine catalyst A400 on polyurethane

1. Introduction

Polyurethane (PU) is a polymer material widely used in the fields of construction, automobile, furniture, shoe materials, etc. Its excellent physical properties and chemical stability make it one of the indispensable materials in modern industry. However, the synthesis of polyurethane involves complex chemical reactions, where the selection of catalysts has a critical impact on the reaction rate and the performance of the final product. As a highly efficient catalyst, the retardant amine catalyst A400 can significantly regulate the reactivity of polyurethane and thus optimize the performance of the product. This article will discuss in detail the regulation mechanism of delayed amine catalyst A400, and introduce its product parameters and applications.

2. Basic principles of polyurethane reaction

The synthesis of polyurethane mainly involves the reaction between isocyanate and polyol (Polyol). The reaction is usually divided into two stages:

Prepolymer formation stage: Isocyanate reacts with polyol to form prepolymers, and the reaction rate is relatively fast in this stage.
Crosslinking and curing stage: The prepolymer further reacts to form a three-dimensional network structure, and the reaction rate is slower at this stage.

The role of catalysts in polyurethane reaction is mainly to accelerate the reaction rate of isocyanate and polyol, thereby shortening the reaction time and improving production efficiency. However, too fast reaction rates may lead to uneven reactions, affecting the performance of the final product. Therefore, it is crucial to choose the right catalyst.

3. Overview of Retarded Amine Catalyst A400

The delayed amine catalyst A400 is a highly efficient polyurethane reaction catalyst with the characteristics of delayed reaction activity. It can maintain low catalytic activity at the beginning of the reaction, thereby extending the reaction time and making the reaction more uniform; while in the later stage of the reaction, its catalytic activity gradually increases, accelerating the cross-linking and curing process. This delayed reaction activity characteristic makes A400 have a wide range of application prospects in polyurethane synthesis.

3.1 Product parameters

parameter name	parameter value
Chemical Name	Retardant amine catalyst A400
Appearance	Colorless to light yellow liquid
Density (20?)	1.05 g/cm³
Viscosity(25?)	50-100 mPa·s
Flashpoint	>100?
Solution	Easy soluble in organic solvents such as water, alcohols, ethers
Storage temperature	5-30?
Shelf life	12 months

3.2 Main features

Delayed reaction activity: A400 maintains low catalytic activity at the beginning of the reaction, prolongs the reaction time, and makes the reaction more uniform.
High-efficiency Catalysis: In the late stage of the reaction, the catalytic activity of A400 gradually increases, accelerating the cross-linking curing process.
Wide Applicability: Suitable for a variety of polyurethane systems, including soft bubbles, hard bubbles, paints, adhesives, etc.
Environmentality: A400 does not contain heavy metals and meets environmental protection requirements.

4. Regulation mechanism of delayed amine catalyst A400

The regulation mechanism of delayed amine catalyst A400 mainly involves the following aspects:

4.1 Delay effect in the early stage of the reaction

At the early stage of the polyurethane reaction, A400 has a low catalytic activity, mainly because the retardant groups in its molecular structure form a stable intermediate with isocyanate at the beginning of the reaction, thereby reducing the catalytic activity. This delay effect prolongs the initial time of the reaction, which is conducive to sufficient mixing of reactants and improving the uniformity of the reaction.

4.2 Acceleration effect in late stage of reaction

As the reaction progresses, the delay groups in the A400 molecular structure are gradually consumed and the catalytic activity is gradually enhanced. At this time, A400 can effectively accelerate the reaction rate between isocyanate and polyol and promote the cross-linking and curing process. This acceleration effect shortens the late reaction time and improves production efficiency.

4.3 Effect of temperature on catalytic activity

Temperature is an important factor affecting the catalytic activity of A400. At lower temperatures, A400 has a lower catalytic activity and a significant delay effect; while at higher temperatures, A400 has a significantly enhanced catalytic activity and a significant acceleration effect. Therefore, in practical applications, the catalytic activity of A400 can be controlled by adjusting the reaction temperature, thereby optimizing the reaction process.

4.4 Effect of catalyst dosage

Dose of A400The urethane reaction rate and final product performance have important effects. An appropriate amount of A400 can effectively adjust the reaction rate and improve the performance of the product; while an excessive amount of A400 may lead to excessive reaction rate and affect the uniformity of the product. Therefore, in practical applications, it is necessary to select the appropriate amount of A400 according to the specific reaction system.

5. Application of Retarded Amine Catalyst A400

The delayed amine catalyst A400 has a wide range of applications in polyurethane synthesis, mainly including the following aspects:

5.1 Soft polyurethane foam

Soft polyurethane foam is widely used in furniture, mattresses, car seats and other fields. The application of A400 in soft polyurethane foam can effectively adjust the reaction rate and improve the uniformity and elasticity of the foam.

5.2 Rigid polyurethane foam

Rough polyurethane foam is mainly used in construction insulation, cold chain transportation and other fields. The application of A400 in rigid polyurethane foams can accelerate the cross-linking and curing process and improve the strength and insulation properties of the foam.

5.3 Polyurethane coating

Polyurethane coatings have excellent wear resistance, weather resistance and decorative properties, and are widely used in construction, automobile, furniture and other fields. The application of A400 in polyurethane coatings can adjust the curing time of the coating and improve the uniformity and adhesion of the coating.

5.4 Polyurethane Adhesive

Polyurethane adhesives have excellent adhesive properties and weather resistance, and are widely used in construction, automobiles, electronics and other fields. The application of A400 in polyurethane adhesives can adjust the curing time of the adhesive and improve bonding strength and durability.

6. Optimal use of delayed amine catalyst A400

In order to fully exert the regulatory role of the delayed amine catalyst A400, the following aspects need to be paid attention to in practical applications:

6.1 Optimization of catalyst dosage

The amount of A400 has an important impact on the reaction rate of polyurethane and the performance of the final product. In practical applications, it is necessary to select the appropriate amount of A400 according to the specific reaction system. Generally, the amount of A400 is 0.1% to 0.5% by weight of polyol.

6.2 Adjustment of reaction temperature

Temperature is an important factor affecting the catalytic activity of A400. In practical applications, the catalytic activity of A400 can be controlled by adjusting the reaction temperature, thereby optimizing the reaction process. Generally, the reaction temperature is controlled between 20-80°C.

6.3 Control of reaction time

The delay and acceleration effects of A400 make the control of reaction time crucial. In practical applications, it is necessary to select the appropriate reaction time according to the specific reaction system to ensure that the reaction is carried out fully and improve the performance of the product.

6.4 Optimization of reaction system

A400 is suitable for a variety of polyurethane systems, but the application effect may vary in different systems. In practical applications, it is necessary to optimize according to the specific reaction system to ensure that the regulation effect of A400 is fully exerted.

7. Retarded future development of amine catalyst A400

With the widespread application of polyurethane materials, the requirements for catalysts are becoming increasingly high. As a highly efficient catalyst, the retardant amine catalyst A400 has broad application prospects. In the future, the development direction of A400 mainly includes the following aspects:

7.1 Improve catalytic efficiency

By improving the molecular structure of A400, its catalytic efficiency can be improved, thereby further shortening the reaction time and improving production efficiency.

7.2 Enhanced environmental performance

With the improvement of environmental protection requirements, the environmental protection performance of A400 also needs to be further improved. In the future, we can reduce environmental pollution by developing new environmentally friendly catalysts to replace traditional catalysts.

7.3 Expand application fields

The application of A400 in polyurethane synthesis has achieved remarkable results. In the future, it can further expand its application areas, such as biomedical materials, electronic materials, etc., to meet the needs of different fields.

7.4 Intelligent control

With the development of intelligent technology, in the future, the catalytic activity of A400 can be monitored and adjusted in real time through intelligent control systems, thereby optimizing the reaction process and improving the performance of the product.

8. Conclusion

As a highly efficient polyurethane reaction catalyst, the delayed amine catalyst A400 has the characteristics of delayed reaction activity, which can effectively adjust the polyurethane reaction rate and optimize the performance of the product. In practical applications, the regulation role of A400 can be fully exerted by optimizing the catalyst dosage, adjusting the reaction temperature, controlling the reaction time and optimizing the reaction system. In the future, with the advancement of technology, the catalytic efficiency, environmental performance and application fields of A400 will be further improved, providing strong support for the development of polyurethane materials.

9. Appendix

9.1 Chemical structure of retardant amine catalyst A400

The chemical structure of the delayed amine catalyst A400 is as follows:

R1-NH-R2

Where R1 and R2 are different organic groups, and the retardation group is located on R1 or R2.

9.2 Synthesis method of retarded amine catalyst A400

The synthesis method of delayed amine catalyst A400 mainly includes the following steps:

Raw Material Preparation: Prepare the required organic amines and delaying group raw materials.
Reaction Synthesis: The organic amine and the retardant group raw material are reacted under the action of a catalyst to produce A400.
Purification treatment: Purification treatment of A400 by distillation, crystallization and other methods to obtain a high-purity product.
Quality Inspection: Perform quality inspection of the A400 to ensure that it meets product standards.

9.3 Safety Guidelines for Retarded Amine Catalyst A400

When using delayed amine catalyst A400, the following safety matters need to be paid attention to:

Storage: A400 should be stored in a cool, dry and well-ventilated place to avoid direct sunlight and high temperatures.
Operation: When operating the A400, you should wear protective gloves, protective glasses and protective clothing to avoid direct contact with the skin and eyes.
Waste Disposal: The discarded A400 should be treated in accordance with local environmental protection regulations to avoid pollution to the environment.

9.4 Frequently Asked Questions and Solutions for Retarded Amine Catalyst A400

When using the delayed amine catalyst A400, you may encounter the following common problems:

Problem Description	Possible Causes	Solution
The reaction rate is too fast	The use of A400 is too much	Reduce A400 usage
Reaction rate is too slow	The dosage of A400 is too small	Increase the dosage of A400
Ununiform reaction	The reaction temperature is uneven	Adjust the reaction temperature to ensure uniform heating
Product performance is poor	Insufficient reaction time	Extend reaction time
Catalytic failure	Improper storage conditions	Improve storage conditions and avoid high temperature and humidity

Through the above solutions, the common problems encountered when using the delayed amine catalyst A400 can be effectively solved, ensuring the smooth progress of the reaction and product performance optimization.

10. Summary

Through the detailed discussion in this article, I believe that readers have a deeper understanding of the regulation mechanism of delayed amine catalyst A400. It is hoped that this article can provide valuable reference for the research and application of polyurethane materials.

Retarded amine catalyst A400: a catalyst suitable for large-scale polyurethane production

admin 3月 9th, 2025 News

Retardant amine catalyst A400: a catalyst suitable for large-scale polyurethane production

Catalog

Introduction
Overview of polyurethane production
Introduction to Retarded Amine Catalyst A400
Product parameters of delayed amine catalyst A400
Advantages of Retarded Amine Catalyst A400
Application Field of Retardant Amine Catalyst A400
How to use the delayed amine catalyst A400
Storage and transportation of delayed amine catalyst A400
Safety precautions for delayed amine catalyst A400
Conclusion

1. Introduction

Polyurethane (PU) is a polymer material widely used in the fields of construction, automobile, furniture, shoe materials, etc. Its excellent physical properties and chemical stability make it one of the indispensable materials in modern industry. However, the choice of catalyst is crucial in the production process of polyurethane. The catalyst not only affects the reaction rate, but also directly affects the performance of the final product. This article will introduce in detail a catalyst suitable for large-scale polyurethane production-retard amine catalyst A400.

2. Overview of polyurethane production

The production of polyurethane mainly involves two basic reactions: the addition reaction of isocyanate and polyol (i.e. polymerization reaction) and the reaction of isocyanate and water (i.e. foaming reaction). Both reactions require catalysts to accelerate the reaction rate and control the reaction process, thereby obtaining the ideal polyurethane product.

2.1 Polymerization

Polymerization is the core reaction in polyurethane production, and isocyanate reacts with polyols to form polyurethane chains. This reaction requires a catalyst to accelerate the reaction rate and ensure that the reaction is completed within a controlled time.

2.2 Foaming reaction

Foaming reaction is a key step in the production of polyurethane foam. The isocyanate reacts with water to form carbon dioxide gas, forming a foam structure. This reaction also requires a catalyst to control the foaming rate and foam density.

3. Introduction to Retarded Amine Catalyst A400

The delayed amine catalyst A400 is a highly efficient catalyst designed specifically for large-scale polyurethane production. It has a delayed catalytic effect and can maintain a low catalytic activity at the beginning of the reaction, gradually releasing catalytic activity as the reaction progresses, thereby achieving precise control of the reaction process.

3.1 Delayed catalytic mechanism

The delayed catalytic mechanism of the delayed amine catalyst A400 mainly depends on the special functional groups in its molecular structure. These functional groups form stable intermediates with isocyanate or polyol at the beginning of the reaction, temporarily inhibiting catalytic activity. As the reaction progressesThe intermediate gradually decomposes, releasing active catalysts, thereby achieving precise control of the reaction rate.

3.2 Applicability

The delayed amine catalyst A400 is suitable for the production of various types of polyurethanes, including rigid foams, soft foams, elastomers, coatings, adhesives, etc. Its delayed catalytic effect is particularly suitable for large-scale production, which can effectively avoid violent heat exogenous in the early stage of the reaction and reduce safety hazards in the production process.

4. Product parameters of delayed amine catalyst A400

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

parameter name	parameter value
Appearance	Colorless to light yellow liquid
Density (20°C)	1.02 g/cm³
Viscosity (25°C)	50 mPa·s
Flashpoint	120°C
Solution	Easy soluble in water, alcohols, and ketones
Storage temperature	5°C – 30°C
Shelf life	12 months

5. Advantages of Retarded amine Catalyst A400

5.1 Accurate control of reaction rate

The delayed catalytic effect of delayed amine catalyst A400 can accurately control the reaction rate, avoid violent heat exothermic in the early stage of the reaction, and reduce safety hazards in the production process.

5.2 Improve product quality

By precisely controlling the reaction rate, the delayed amine catalyst A400 can effectively improve the quality of polyurethane products and ensure that the product has consistent physical properties and chemical stability.

5.3 Suitable for large-scale production

The delayed amine catalyst A400 is particularly suitable for large-scale polyurethane production, which can effectively improve production efficiency and reduce production costs.

5.4 Excellent environmental protection performance

The delayed amine catalyst A400 does not contain heavy metals and harmful substances, meets environmental protection requirements and can meet the high requirements of modern industry for environmental protection performance.

6. Application fields of delayed amine catalyst A400

6.1 Hard foam

HardQuality foam is widely used in building insulation, cold chain logistics and other fields. The retardant amine catalyst A400 can accurately control the foaming reaction, ensuring that the foam has a uniform cell structure and excellent thermal insulation properties.

6.2 Soft foam

Soft foam is widely used in furniture, mattresses, car seats and other fields. The delayed amine catalyst A400 can effectively control the foaming rate and ensure excellent elasticity and comfort of the foam.

6.3 Elastomer

Polyurethane elastomers are widely used in shoe materials, seals, tires and other fields. The retardant amine catalyst A400 can accurately control the polymerization reaction, ensuring that the elastomer has excellent wear resistance and tear resistance.

6.4 Paint

Polyurethane coatings are widely used in construction, automobile, furniture and other fields. The retardant amine catalyst A400 can accurately control the reaction rate, ensuring excellent adhesion and weather resistance of the coating.

6.5 Adhesive

Polyurethane adhesives are widely used in construction, automobile, packaging and other fields. The retardant amine catalyst A400 can accurately control the reaction rate, ensuring that the adhesive has excellent bonding strength and durability.

7. How to use the retardant amine catalyst A400

7.1 Addition amount

The amount of the retardant amine catalyst A400 is usually 0.1% to 0.5% of the total amount of the polyurethane formula. The specific amount of the addition needs to be adjusted according to actual production conditions and product requirements.

7.2 Adding method

The retardant amine catalyst A400 can be added directly to the polyol component, stirred evenly and mixed with the isocyanate component. It is recommended to conduct a small trial before adding to determine the best amount and method of adding.

7.3 Reaction conditions

The reaction conditions of the retardant amine catalyst A400 are usually from room temperature to 80°C, and the specific reaction temperature needs to be adjusted according to actual production conditions and product requirements.

8. Storage and transportation of delayed amine catalyst A400

8.1 Storage

The delayed amine catalyst A400 should be stored in a cool, dry and well-ventilated place to avoid direct sunlight and high temperatures. Storage temperature should be controlled between 5°C – 30°C.

8.2 Transport

The delayed amine catalyst A400 should avoid severe vibration and collision during transportation to prevent packaging from being damaged. The transport temperature should be controlled between 5°C and 30°C.

9. Safety precautions for delaying amine catalyst A400

9.1 Personal Protection

When using delayed amine catalyst A400, operators should wear protective gloves, protective glasses and protective clothing to avoid direct contact with the skin andEye.

9.2 Emergency treatment

If you accidentally touch the skin or eyes, you should immediately rinse with a lot of clean water and seek medical treatment. If you inhale or take it by mistake, you should seek medical treatment immediately.

9.3 Waste treatment

The waste of delayed amine catalyst A400 should be disposed of in accordance with local environmental regulations to avoid pollution to the environment.

10. Conclusion

The delayed amine catalyst A400 is a highly efficient catalyst suitable for large-scale polyurethane production. It has the advantages of precise control of reaction rates, improving product quality, suitable for large-scale production and excellent environmental protection performance. By rationally using the delayed amine catalyst A400, the efficiency and quality of polyurethane production can be effectively improved, and the modern industry’s demand for high-performance polyurethane materials can be met.

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