Tertiary amine catalyst LE-530: The key to achieving uniform distribution and delicate texture of polyurethane foam

Date：2025-03-12 Categories：Our Projects

Term amine catalyst LE-530: The key to achieving uniform distribution and delicate texture of polyurethane foam

Introduction

Polyurethane foam materials are widely used in modern industry, from furniture, mattresses to car seats, and building insulation materials, almost everywhere. However, the quality and properties of polyurethane foams depend heavily on the catalysts used in their manufacturing process. As an efficient and environmentally friendly catalyst, LE-530 plays a crucial role in the production of polyurethane foams. This article will explore in-depth the characteristics, mechanism of action, application scenarios of LE-530 and how to achieve uniform distribution and delicate texture of polyurethane foam through it.

1. Basic characteristics of tertiary amine catalyst LE-530

1.1 Chemical structure

Term amine catalyst LE-530 is an organic amine compound that contains multiple amine groups in its chemical structure. These amine groups play a catalytic role in the polyurethane reaction, promoting the reaction between isocyanate and polyol, thereby forming a polyurethane foam.

1.2 Physical Properties

parameters	Value/Description
Appearance	Colorless to light yellow liquid
Density	0.95-1.05 g/cm³
Boiling point	200-220°C
Flashpoint	80-90°C
Solution	Easy soluble in water and organic solvents
Stability	Stabilize at room temperature and avoid high temperature

1.3 Environmental performance

LE-530 is an environmentally friendly catalyst, free of heavy metals and harmful substances, and complies with international environmental protection standards such as RoHS and REACH. Its low volatile organic compounds (VOC) content also makes it popular in industries with strict environmental protection requirements.

2. Mechanism of action of LE-530 in polyurethane foam

2.1 Catalytic reaction

The formation of polyurethane foam depends mainly on the reaction between isocyanate and polyol. LE-530 reacts with isocyanate through its amine group to form an intermediate, thereby accelerating the progress of the reaction. The specific reaction process is as follows:

Amine groups react with isocyanate: The amine groups in LE-530 react with isocyanate to form urea groups.
Reaction of urea groups with polyols: The formed urea groups further react with the polyols to form a polyurethane chain.
Chain Growth and Crosslinking: As the reaction progresses, the polyurethane chain continues to grow, and finally forms a three-dimensional network structure, namely polyurethane foam.

2.2 Even distribution of foam

The efficient catalytic action of LE-530 makes the reaction rate uniform, avoiding the foam unevenness caused by local reactions due to excessive or slow local reactions. Its low volatility also reduces bubble generation in the foam, further improving the uniformity of the foam.

2.3 Delicate texture

The catalytic action of LE-530 not only accelerates the reaction, but also controls the reaction rate to make the pore size of the foam smaller and even. This delicate pore size structure not only improves the texture of the foam, but also enhances its mechanical properties and durability.

3. Application scenarios of LE-530

3.1 Furniture and Mattress

The comfort and durability of polyurethane foam are key in furniture and mattress manufacturing. Through its efficient catalytic action, the LE-530 makes the foam have a uniform pore size distribution and a delicate texture, thereby improving the comfort and service life of the product.

3.2 Car seat

Car seats have extremely high requirements for foam materials, which not only require good comfort, but also excellent durability and compressive resistance. Through its uniform catalytic action, the LE-530 allows the foam to have higher density and better mechanical properties, thus meeting the high requirements of car seats.

3.3 Building insulation materials

In building insulation materials, the thermal insulation properties and durability of polyurethane foam are crucial. Through its efficient catalytic action, the LE-530 has uniform pore size distribution and excellent thermal insulation properties, thereby improving the use effect of building insulation materials.

4. Product parameters and usage suggestions for LE-530

4.1 Product parameters

parameters	Value/Description
Appearance	Colorless to light yellow liquid
Density	0.95-1.05 g/cm³
Boiling point	200-220°C
Flashpoint	80-90°C
Solution	Easy soluble in water and organic solvents
Stability	Stabilize at room temperature and avoid high temperature
Environmental Performance	Compare RoHS and REACH standards
VOC content	Low

4.2 Recommendations for use

Addition amount: The amount of LE-530 is usually 0.1%-0.5% of the total amount of polyurethane formula. The specific amount of addition needs to be adjusted according to actual production conditions and product requirements.
Environmental mixing: When using LE-530, it is necessary to ensure that it is fully mixed with polyols and isocyanate to ensure catalytic effect.
Temperature Control: The reaction temperature should be controlled between 20-40°C. Too high temperatures may lead to excessive reaction and affect the quality of the foam.
Storage Conditions: LE-530 should be stored in a cool and dry place to avoid direct sunlight and high temperatures.

5. Advantages and market prospects of LE-530

5.1 Advantages

High-efficiency Catalysis: LE-530 has efficient catalytic effects, which can significantly shorten the reaction time and improve production efficiency.
Environmental Performance: LE-530 does not contain heavy metals and harmful substances, complies with international environmental standards, and is suitable for industries with strict environmental protection requirements.
Evening distribution: LE-530 makes the polyurethane foam have a uniform pore size distribution and a delicate texture through its uniform catalytic action.
Widely used: LE-530 is suitable for a variety of polyurethane foam products, including furniture, mattresses, car seats and building insulation materials.

5.2 Market prospects

With the increase in environmental awareness and the continuous expansion of the application field of polyurethane foam, LE-530, as an efficient and environmentally friendly catalyst, has a broad market prospect. In the future, with the continuous advancement of technology and the continuous expansion of the market, LE-530 is expected to be obtained in more fields.It has become the preferred catalyst for polyurethane foam production.

6. Conclusion

Term amine catalyst LE-530 plays a crucial role in the production of polyurethane foam through its efficient catalytic action and environmentally friendly properties. Its uniform catalytic action not only improves the uniform distribution and delicate texture of the foam, but also enhances the mechanical properties and durability of the product. With the continuous improvement of environmental protection requirements and the continuous expansion of the application field of polyurethane foam, the market prospects of LE-530 are very broad. In the future, LE-530 is expected to be used in more fields and become the first choice catalyst for polyurethane foam production.

Through the detailed discussion of this article, I believe that readers have a deeper understanding of the tertiary amine catalyst LE-530. Whether it is its efficient catalytic action, environmental protection performance, or its widespread application in polyurethane foam production, LE-530 has shown its unique advantages and market potential. I hope this article can provide valuable reference and guidance for practitioners in related industries.

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