Retardant amine catalyst A400: Bringing flexibility to the polyurethane industry

Introduction

Polyurethane (PU) materials play an important role in modern industry and are widely used in construction, automobile, furniture, shoe materials, packaging and other fields. Polyurethane has excellent performance and has the advantages of high elasticity, wear resistance, chemical corrosion resistance, etc. However, during the production process of polyurethane, the selection of catalysts has a crucial impact on the performance and production efficiency of the product. In recent years, the emergence of the delayed amine catalyst A400 has brought unprecedented flexibility to the polyurethane industry and greatly improved production efficiency and product quality.

This article will introduce in detail the characteristics, application scenarios, product parameters and its far-reaching impact on the polyurethane industry. Help readers understand this innovative product in a comprehensive way through rich forms and easy-to-understand language.

1. Overview of Retarded Amine Catalyst A400

1.1 What is retarded amine catalyst A400?

The delayed amine catalyst A400 is a highly efficient catalyst specially designed for the polyurethane industry. By delaying the reaction time, it makes the production process of polyurethane more controllable, thereby improving the quality and production efficiency of the product. Compared with traditional amine catalysts, A400 has a longer delay time, can maintain low activity at the beginning of the reaction, and quickly accelerate the reaction later in the reaction, ensuring that the product has good physical properties.

1.2 Main features of A400

• Delayed reaction time: A400 can maintain low activity at the beginning of the reaction, delaying the reaction time, making the operation more flexible.
• High-efficiency Catalysis: In the late stage of the reaction, the A400 can quickly accelerate the reaction, ensuring that the product has good physical properties.
• Environmental Safety: A400 does not contain heavy metals and harmful substances, and meets environmental protection requirements.
• Wide Applicability: Suitable for a variety of polyurethane systems, including soft bubbles, hard bubbles, elastomers, etc.

2. Application scenarios of delayed amine catalyst A400

2.1 Soft polyurethane foam

Soft polyurethane foam is widely used in furniture, mattresses, car seats and other fields. The delayed reaction characteristics of A400 make the foam foaming process more controllable, avoiding problems such as foam cracking and shrinkage caused by excessive reaction. At the same time, the efficient catalytic properties of the A400 ensure good elasticity and durability of the foam.

2.2 Rigid polyurethane foam

Rough polyurethane foam is mainly used in building insulation, cold chain logistics and other fields. A40The delayed reaction characteristic of 0 makes the foaming process of hard bubbles more uniform, avoiding problems such as uneven foam density and high thermal conductivity caused by excessive reaction. At the same time, the efficient catalytic performance of the A400 ensures that the hard bubble has good thermal insulation performance and mechanical strength.

2.3 Polyurethane elastomer

Polyurethane elastomers are widely used in shoe materials, seals, tires and other fields. The delayed reaction characteristics of A400 make the forming process of the elastomer more controllable, avoiding the cracking and deformation of the elastomer caused by excessive reaction. At the same time, the efficient catalytic properties of A400 ensure that the elastomer has good wear resistance and chemical corrosion resistance.

3. Product parameters of delayed amine catalyst A400

3.1 Physical Properties

parameter name	value
Appearance	Colorless to light yellow liquid
Density (25°C)	0.95-1.05 g/cm³
Viscosity (25°C)	50-100 mPa·s
Flashpoint	>100°C
Solution	Easy soluble in water, alcohols, and ethers

3.2 Chemical Properties

parameter name	value
pH value (1% aqueous solution)	10-12
Amine Value	300-400 mg KOH/g
Active hydrogen equivalent	100-120

3.3 Catalytic properties

parameter name	value
Delay time (25°C)	5-10 minutes
Reaction acceleration time	2-5 minutes
Catalytic Efficiency	High

4. Advantages of Retarded amine Catalyst A400

4.1 Improve Production Efficiency

The delayed reaction characteristics of A400 make the production process of polyurethane more controllable, avoiding production interruptions and product quality problems caused by excessive reaction. At the same time, the efficient catalytic performance of A400 ensures that the reaction can be completed in a short time and improves production efficiency.

4.2 Improve product quality

The delayed reaction characteristics of A400 make the foaming process of polyurethane more uniform, avoiding problems such as uneven foam density and high thermal conductivity caused by excessive reaction. At the same time, the efficient catalytic performance of A400 ensures that the product has good physical properties, such as elasticity, wear resistance, chemical corrosion resistance, etc.

4.3 Environmental protection and safety

A400 does not contain heavy metals and harmful substances, and meets environmental protection requirements. At the same time, the A400's low volatility and high flash point ensures its safety during production.

4.4 Wide applicability

A400 is suitable for a variety of polyurethane systems, including soft bubbles, hard bubbles, elastomers, etc. Its wide applicability makes the A400 an ideal choice for the polyurethane industry.

5. How to use the retardant amine catalyst A400

5.1 Addition amount

The amount of A400 added is usually 0.1% to 0.5% of the total weight of polyurethane. The specific amount of addition should be adjusted according to actual production conditions and product requirements.

5.2 Adding method

A400 can be added to the polyurethane system by direct addition or premix. It is recommended to add slowly under stirring conditions to ensure uniform dispersion.

5.3 Notes

• Which should be thoroughly stirred before use.
• Avoid contact with strong acids and strong oxidants.
• Storage in a cool and dry place to avoid direct sunlight.

6. Market prospects of delayed amine catalyst A400

With the rapid development of the polyurethane industry, the demand for efficient and environmentally friendly catalysts is increasing. With its excellent performance and wide applicability, the A400 has become an ideal choice for the polyurethane industry. In the future, with the continuous improvement of environmental protection requirements and the continuous expansion of polyurethane application fields, the market prospects of A400 will be broader.

7. Conclusion

The emergence of delayed amine catalyst A400 has brought unprecedented flexibility to the polyurethane industry. Its delayed reaction characteristics and efficient catalytic properties make the production process of polyurethane more controllable and the product quality is betterdifferent. At the same time, the A400's environmental protection, safety and wide applicability make it an ideal choice for the polyurethane industry. In the future, with the continuous development of the polyurethane industry, the A400 will play an important role in more fields and bring more innovations and breakthroughs to the polyurethane industry.

Appendix: FAQs about delayed amine catalyst A400

Q1: Can the delay time of A400 be adjusted?

A: Yes, the delay time of the A400 can be fine-tuned by adjusting the amount of addition and reaction conditions. The specific adjustment method should be carried out according to actual production conditions and product requirements.

Q2: Is the A400 suitable for high temperature environments?

A: A400 can still maintain good catalytic performance in high temperature environments, but it is recommended to use it in room temperature or low temperature environments to ensure the best delay reaction effect.

Q3: How long is the storage period of A400?

A: The storage period of A400 in a cool and dry place is 12 months. It is recommended to check regularly during storage to ensure product quality.

Q4: Is the A400 compatible with other catalysts?

A: The A400 can be used compatible with other catalysts, but compatibility testing is recommended before use to ensure good catalytic results.

Q5: How environmentally friendly is the A400?

A: A400 does not contain heavy metals and harmful substances, and meets environmental protection requirements. Its low volatility and high flash point ensures its safety during production.

Through the detailed introduction of this article, I believe that readers have a comprehensive understanding of the delayed amine catalyst A400. With its excellent performance and wide applicability, the A400 has become an ideal choice for the polyurethane industry. In the future, with the continuous development of the polyurethane industry, the A400 will play an important role in more fields and bring more innovations and breakthroughs to the polyurethane industry.

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