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Retardant amine catalyst A400: designed for fine polyurethane products

3月 9th, 2025 News

Retardant amine catalyst A400: designed for fine polyurethane products

Introduction

Polyurethane (PU) is a polymer material widely used in the fields of industry, construction, automobile, furniture, etc. Its excellent physical properties and chemical stability make it an important part of modern materials science. However, in the production process of polyurethane products, the selection of catalysts has a crucial impact on the performance and quality of the product. As a catalyst designed for fine polyurethane products, the delay amine catalyst A400 has unique delay reaction characteristics and can provide better control and stability in the production process. This article will introduce in detail the characteristics, applications, product parameters of the delayed amine catalyst A400 and its advantages in the production of polyurethane products.

1. Overview of Retarded Amine Catalyst A400

1.1 What is retarded amine catalyst A400?

Retardant amine catalyst A400 is an organic amine catalyst specially designed for polyurethane products. Its unique chemical structure makes it delay reaction effect in polyurethane reaction, which can maintain low activity at the beginning of the reaction, and rapidly accelerate the reaction later in the reaction, thereby achieving better reaction control and product performance.

1.2 Main features of retardant amine catalyst A400

  • Delayed reaction characteristics: A400 is less active at the beginning of the reaction, can effectively extend the reaction time and provide a longer operation window.
  • High-efficiency Catalysis: In the late stage of the reaction, A400 can quickly accelerate the reaction, ensure complete reaction and improve production efficiency.
  • Good stability: A400 has high stability during storage and use, and is not easy to decompose or fail.
  • Environmentality: A400 does not contain heavy metals and other harmful substances and meets environmental protection requirements.

2. Application fields of delayed amine catalyst A400

2.1 Polyurethane foam

Polyurethane foam is one of the main application areas of A400. The delayed reaction characteristics of the A400 enable it to provide better cell structure and uniformity in foam production, thereby improving the physical properties and appearance quality of the foam.

2.1.1 Soft foam

In soft foam production, A400 can effectively control the reaction speed, avoid premature curing of the foam, and ensure that the foam has good elasticity and comfort.

2.1.2 Hard foam

In rigid foam production, the delayed reaction characteristics of A400 ensure that the foam is in the molding processIt has good fluidity in the process, thereby improving the density and strength of the foam.

2.2 Polyurethane elastomer

Polyurethane elastomer is a material with excellent mechanical properties and wear resistance, and is widely used in automobiles, construction, shoe materials and other fields. The A400 can provide better reaction control in the production of polyurethane elastomers, ensuring that the elastomers have good physical and processing properties.

2.3 Polyurethane coating

Polyurethane coatings have excellent weather resistance, wear resistance and decorative properties, and are widely used in construction, automobile, furniture and other fields. The A400 provides better reaction control in the production of polyurethane coatings, ensuring that the coating has good adhesion and durability.

2.4 Polyurethane Adhesive

Polyurethane adhesives have excellent adhesive properties and durability, and are widely used in construction, automobiles, electronics and other fields. The A400 can provide better reaction control in the production of polyurethane adhesives, ensuring that the adhesive has good bonding strength and durability.

III. Product parameters of delayed amine catalyst A400

3.1 Physical Properties

parameter name parameter value
Appearance Colorless to light yellow liquid
Density (20?) 0.95-1.05 g/cm³
Viscosity (25?) 50-100 mPa·s
Flashpoint >100?
Solution Easy soluble in water and organic solvents

3.2 Chemical Properties

parameter name parameter value
Molecular Weight 200-300 g/mol
Active ingredient content ?98%
pH value (1% aqueous solution) 10-12
Storage Stability 12 months (25?)

3.3 Recommendations for use

parameter name parameter value
Additional amount 0.1-1.0%
Using temperature 20-80?
Applicable System Polyurethane foam, elastomers, coatings, adhesives

IV. Advantages of delayed amine catalyst A400

4.1 Extend the operation window

The delayed reaction characteristics of A400 can effectively extend the operating window of polyurethane reaction and provide longer operating time, thereby achieving better control and adjustment during the production process.

4.2 Improve product quality

A400 ensures that the polyurethane reaction is completed quickly in the later stage, thereby improving the physical performance and appearance quality of the product. In foam production, A400 can provide better cell structure and uniformity; in elastomer production, A400 can ensure that the elastomer has good mechanical properties and processing properties.

4.3 Improve production efficiency

The efficient catalytic properties of A400 can shorten the time of polyurethane reaction and improve production efficiency. At the same time, the A400 has good stability and is not easy to decompose or fail, which can reduce failure and downtime during production.

4.4 Environmental protection

A400 does not contain heavy metals and other harmful substances and meets environmental protection requirements. During production and use, the A400 will not cause pollution to the environment, which is in line with the environmental protection trend of modern industrial production.

V. How to use the delayed amine catalyst A400

5.1 Adding quantity control

The amount of addition of A400 should be adjusted according to the specific polyurethane system and production requirements. Generally speaking, the amount of A400 added is 0.1-1.0%. In actual production, it is recommended to determine the optimal amount of addition through small trials.

5.2 Use temperature control

The temperature range of A400 is 20-80°C. In actual production, the use temperature should be adjusted according to the specific polyurethane system and production requirements to ensure the optimal catalytic effect of A400.

5.3 Mix well

When using A400, it should be ensured to be mixed evenly with other components of the polyurethane system to avoid local reactions that may affect product quality.

VI. Storage and transportation of delayed amine catalyst A400

6.1 Storage conditions

A400 should be stored in a cool, dry and well-ventilated place to avoid direct sunlight and high temperatures. The storage temperature should be controlled below 25? to avoid contact with highly corrosive substances such as acids and alkalis.

6.2 Transportation Requirements

A400 should avoid severe vibration and collision during transportation to prevent packaging from being damaged. The transportation temperature should be controlled below 25? to avoid high temperatures and direct sunlight.

VII. Market prospects of delayed amine catalyst A400

With the widespread application of polyurethane products in various fields, the demand for high-performance catalysts is also increasing. Retarded amine catalyst A400 has broad market prospects in the production of polyurethane products due to its unique delay reaction characteristics and efficient catalytic properties. In the future, with the continuous improvement of environmental protection requirements, the environmental protection of A400 will also become an important advantage of its market competitiveness.

8. Conclusion

As a catalyst specially designed for fine polyurethane products, the delayed amine catalyst A400 has unique delayed reaction characteristics and efficient catalytic properties, and can provide better control and stability in the production of polyurethane products. By rationally using A400, the quality and production efficiency of polyurethane products can be effectively improved while meeting environmental protection requirements. With the continuous development of the polyurethane product market, the application prospects of A400 will be broader.

The above is a detailed introduction to the delayed amine catalyst A400, covering its characteristics, applications, product parameters, usage methods, storage and transportation, and market prospects. It is hoped that through the introduction of this article, readers can better understand and use delayed amine catalyst A400, thereby improving the production efficiency and product quality of polyurethane products.

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Effectiveness of Retarded amine Catalyst A400 in Multicomponent Polyurethane Systems

3月 9th, 2025 News

Performance of delayed amine catalyst A400 in multicomponent polyurethane systems

Introduction

Multicomponent polyurethane systems are widely used in modern industry, covering a variety of fields from building materials to automotive interiors. In these systems, the choice of catalyst has a crucial impact on the performance of the product, processing technology, and final application effect. As a highly efficient and environmentally friendly catalyst, the delayed amine catalyst A400 has been widely used in multi-component polyurethane systems in recent years. This article will discuss in detail the performance characteristics, application advantages and performance performance of the delayed amine catalyst A400 in different multicomponent polyurethane systems.

1. Basic characteristics of retardant amine catalyst A400

1.1 Chemical structure

Retardant amine catalyst A400 is an organic amine compound whose chemical structure contains multiple amine groups, which play a key catalytic role in the polyurethane reaction. The molecular structure design of A400 has high catalytic activity and good delay effect, which can maintain low activity at the beginning of the reaction and rapidly improve the catalytic efficiency later in the reaction.

1.2 Physical Properties

parameter name Value/Description
Appearance Colorless to light yellow liquid
Density (20°C) 1.02 g/cm³
Viscosity (25°C) 50 mPa·s
Boiling point 250°C
Flashpoint 120°C
Solution Easy soluble in water and organic solvents

1.3 Environmental performance

The delayed amine catalyst A400 does not contain heavy metals and harmful substances, and meets environmental protection requirements. Its low volatility and low toxicity make it safer and more reliable in industrial production.

2. Catalytic mechanism of delayed amine catalyst A400

2.1 Catalytic reaction process

In multicomponent polyurethane systems, the delay amine catalyst A400 mainly functions through the following steps:

  1. Initial phase: A400 maintains low catalytic activity at the beginning of the reaction to avoid excessive reaction causing system stickinessThe degree has risen sharply.
  2. Medium-term stage: As the reaction progresses, the catalytic activity of A400 gradually increases, promoting the reaction between isocyanate and polyol.
  3. Later stage: A400 achieves high catalytic activity in the late stage of the reaction, ensuring complete reaction and improving the cross-linking density and mechanical properties of the product.

2.2 Delay effect

The delay effect of A400 is mainly achieved by the amine groups in its molecular structure. These amine groups are partially shielded at the beginning of the reaction and gradually release as the reaction proceeds, thereby achieving a delay in catalytic activity.

3. Application of Retarded amine Catalyst A400 in Multicomponent Polyurethane Systems

3.1 Rigid polyurethane foam

Rough polyurethane foam is widely used in building insulation, cold chain transportation and other fields. The application advantages of A400 in rigid foam are mainly reflected in the following aspects:

  • Good Flowability: The delay effect of the A400 makes the foam have good fluidity in the early stage of foaming, making it easier to fill complex molds.
  • Uniform cell structure: The catalytic action of A400 makes the cell structure of the foam more uniform and improves the insulation performance.
  • Excellent mechanical properties: The high catalytic activity of A400 ensures the high crosslink density of the foam and improves the mechanical strength and durability of the foam.
Performance metrics Rough foam using A400 Rough foam without A400
Density (kg/m³) 35-45 40-50
Thermal conductivity (W/m·K) 0.020-0.025 0.025-0.030
Compressive Strength (kPa) 200-250 150-200

3.2 Soft polyurethane foam

Soft polyurethane foam is widely used in furniture, car seats and other fields. The application advantages of A400 in soft foam are mainly reflected in the following aspects:

  • Good poreability: The delay effect of A400 enables the foam to form a good pore structure during the foaming process, improving the breathability and comfort of the foam.
  • Excellent resilience: The high catalytic activity of A400 ensures the high crosslink density of the foam and improves the resilience and durability of the foam.
  • Low Odor: The low volatility and low toxicity of the A400 make the foam smell smaller and more environmentally friendly during use.
Performance metrics Soft foam using A400 Soft foam without A400
Density (kg/m³) 25-35 30-40
Rounce rate (%) 60-70 50-60
Breathability (L/s) 0.5-0.7 0.4-0.6

3.3 Polyurethane coating

Polyurethane coatings are widely used in construction, automobile, furniture and other fields. The application advantages of A400 in polyurethane coatings are mainly reflected in the following aspects:

  • Good leveling: The delay effect of the A400 makes the coating have good leveling during construction, making it easier to form a smooth coating.
  • Excellent adhesion: The high catalytic activity of A400 ensures the high crosslink density of the coating and improves the adhesion and durability of the coating.
  • Low VOC Emissions: The low volatility and low toxicity of A400 make the coating less VOC emissions and more environmentally friendly during use.
Performance metrics Polyurethane coating using A400 Polyurethane coating without A400
Drying time (h) 2-4 3-5
Adhesion (MPa) 5-7 4-6
VOC emissions (g/L) 50-70 70-90

3.4 Polyurethane Adhesive

Polyurethane adhesives are widely used in construction, automobile, packaging and other fields. The application advantages of A400 in polyurethane adhesives are mainly reflected in the following aspects:

  • Good initial adhesion: The delay effect of the A400 makes the adhesive have good initial adhesion in the early stage of construction, which is easy to position and fix.
  • Excellent final strength: The high catalytic activity of A400 ensures high crosslinking density of the adhesive and improves the final strength and durability of the adhesive.
  • Low Odor: The low volatility and low toxicity of A400 make the adhesive less odor and more environmentally friendly during use.
Performance metrics Use A400’s polyurethane adhesive Polyurethane adhesive not used with A400
First sticking time (min) 5-10 10-15
Finally Strength (MPa) 8-10 6-8
VOC emissions (g/L) 30-50 50-70

4. Processing technology of retardant amine catalyst A400

4.1 Formula Design

In multicomponent polyurethane systems, the amount of A400 added is usually 0.1%-0.5% (based on the weight of the polyol). The specific amount of addition needs to be adjusted according to actual application requirements.

4.2 Mixing process

A400 needs to be evenly dispersed in the polyol during mixing to ensure uniformity of the catalytic effect. The mixing temperature is usually controlled at 20-40°C to avoid high temperatures causing catalyst deactivation.

4.3 Reaction conditions

The reaction temperature of A400 is usually controlled at 20-80°C, and the specific temperature needs to be adjusted according to actual application requirements. The reaction time is usually 5-30 minutes, and the specific time needs to be adjusted according to actual application requirements.

5. Market prospects of delayed amine catalyst A400

With the continuous improvement of environmental protection requirements, the delay amine catalyst A400, as an efficient and environmentally friendly catalyst, has broad application prospects in multi-component polyurethane systems. In the future, with the continuous advancement of technology, the performance of the A400 will be further improved and the application field will be further expanded.

Conclusion

The delayed amine catalyst A400 shows excellent catalytic performance in a multicomponent polyurethane system, with good delay effect, high catalytic activity and environmental protection properties. Its application advantages in the fields of rigid foams, soft foams, coatings and adhesives are significant, and can effectively improve product performance and processing technology. With the increasing demand for environmentally friendly and efficient catalysts in the market, the A400’s application prospects will be broader.

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Retarded amine catalyst A400: Achieve higher quality polyurethane foam surface

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:

  1. Ingredients: Mix A400 evenly with other raw materials according to the formula requirements.
  2. Stir: Stir the mixed raw materials thoroughly to ensure that the A400 is evenly dispersed.
  3. Foaming: Pour the stirred raw materials into the mold and perform the foaming reaction.
  4. 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.

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