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Tertiary amine catalyst LE-530: An effective low-odor polyurethane production solution

admin 3月 12th, 2025 News

Term amine catalyst LE-530: An effective low-odor polyurethane production solution

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, traditional polyurethane production is often accompanied by strong odors, which not only affects the working environment, but also poses a potential threat to the health of the operator. To solve this problem, the tertiary amine catalyst LE-530 came into being. This article will introduce the product characteristics, application advantages, technical parameters of LE-530 and its application in the production of low-odor polyurethanes in detail.

1. Overview of LE-530, tertiary amine catalyst

1.1 What is a tertiary amine catalyst?

Term amine catalysts are a class of compounds containing three organic groups connected to nitrogen atoms. They are widely used in the synthesis of polyurethanes. They promote the formation of polyurethane by accelerating the reaction of isocyanate with polyols. The choice of tertiary amine catalysts has an important impact on the physical properties, processing properties of polyurethanes and the odor of the final product.

1.2 Features of LE-530

LE-530 is a highly efficient, low-odor tertiary amine catalyst designed specifically to improve odor problems in the production of polyurethanes. Its main features include:

Low Odor: The odor released by LE-530 during the reaction process is extremely low, significantly improving the working environment.
High-efficiency Catalysis: LE-530 has excellent catalytic activity, which can significantly shorten the reaction time and improve production efficiency.
Wide Applicability: Suitable for a variety of polyurethane systems, including soft bubbles, hard bubbles, elastomers, etc.
Environmentality: LE-530 meets environmental protection requirements and reduces environmental pollution.

2. Technical parameters of LE-530

2.1 Physical and chemical properties

parameters	Value/Description
Chemical Name	Term amine compounds
Appearance	Colorless to light yellow liquid
Density (20°C)	0.95-0.98 g/cm³
Viscosity (25°C)	50-100 mPa·s
Flashpoint	>100°C
Solution	Easy soluble in water and organic solvents
pH value (1% aqueous solution)	9.0-11.0

2.2 Catalytic properties

parameters	Value/Description
Catalytic Activity	High
Reaction time	Sharply shortened
Applicable temperature range	20-80°C
Applicable pH range	7.0-11.0

2.3 Safety and Environmental Protection

parameters	Value/Description
Toxicity	Low toxic
Volatility	Low
Biodegradability	Biodegradable
Storage Stability	Good, it is recommended to store in a cool place without light

3. Application of LE-530 in polyurethane production

3.1 Soft polyurethane foam

Soft polyurethane foam is widely used in furniture, mattresses, car seats and other fields. Traditional catalysts are often accompanied by a strong amine smell in the soft bubble production process, which affects the working environment and product quality. The low odor properties of LE-530 make it ideal for soft bubble production.

3.1.1 Application Advantages

Improve the working environment: The low odor characteristics of LE-530 significantly reduce odor during production and improve the working environment of operators.
Improving product quality: The efficient catalytic action of LE-530 ensures the uniformity and stability of the foam and improves the physical properties of the product.
Shortening the production cycle: The high catalytic activity of LE-530 significantly shortens the reaction time and improves production efficiency.

3.1.2 Application Cases

After a furniture manufacturing company used LE-530, the odor problems in the production workshop were significantly improved, and the health complaint rate of operators decreased by 50%. At the same time, the product’s pass rate has been increased by 10%, and the production efficiency has been increased by 15%.

3.2 Rigid polyurethane foam

Rough polyurethane foam is widely used in building insulation, cold chain transportation and other fields. The selection of catalysts is highly required during hard bubble production, which not only ensures catalytic efficiency but also controls odor. The LE-530 is also excellent in hard bubble production.

3.2.1 Application Advantages

High-efficiency Catalysis: LE-530 shows excellent catalytic activity in hard bubble production, ensuring rapid foam formation.
Low Odor: The low odor properties of LE-530 reduce odor during production and improve the working environment.
Environmentality: LE-530 meets environmental protection requirements and reduces environmental pollution.

3.2.2 Application Cases

After a certain building insulation material manufacturer used LE-530, the odor problems in the production workshop were significantly improved, and the health complaint rate of operators decreased by 40%. At the same time, the product’s insulation performance has been improved by 8%, and the production efficiency has been improved by 12%.

3.3 Polyurethane elastomer

Polyurethane elastomers are widely used in shoe materials, seals, tires and other fields. The selection of catalysts is highly required during the elastomer production process, which not only ensures catalytic efficiency but also controls odor. The LE-530 is also excellent in the production of elastomers.

3.3.1 Application Advantages

High-efficiency Catalysis: LE-530 shows excellent catalytic activity in elastomer production, ensuring rapid elastomer molding.
Low Odor: The low odor properties of LE-530 reduce odor during production and improve the working environment.
Environmentality: LE-530 meets environmental protection requirements, reducing the environmentpollute.

3.3.2 Application Cases

After a shoe material manufacturer used LE-530, the odor problems in the production workshop were significantly improved, and the health complaint rate of operators decreased by 30%. At the same time, the wear resistance of the product has been improved by 10% and the production efficiency has been improved by 10%.

4. Comparison of LE-530 with other catalysts

4.1 Catalytic efficiency

Catalyzer	Catalytic Efficiency	Response time	Applicable temperature range
LE-530	High	Short	20-80°C
Traditional tertiary amine catalyst	in	in	20-80°C
Organotin Catalyst	High	Short	20-80°C

4.2 Odor control

Catalyzer	Odor intensity	Improvement of the work environment
LE-530	Low	Significant
Traditional tertiary amine catalyst	High	Not obvious
Organotin Catalyst	in	General

4.3 Environmental protection

Catalyzer	Toxicity	Volatility	Biodegradability
LE-530	Low	Low	Biodegradable
Traditional tertiary amine catalyst	in	in	Partial degradation
Organotin Catalyst	High	High	Difficult to degrade

5. Recommendations for use of LE-530

5.1 Addition amount

The amount of LE-530 added should be adjusted according to the specific polyurethane system and production process. Generally, it is recommended to add an amount of 0.1% to 0.5% by weight of the polyol.

5.2 How to use

Premix method: Premix LE-530 with polyol in advance, stir evenly before adding isocyanate.
Direct addition method: During the reaction process, directly add LE-530 to the reaction system and stir evenly.

5.3 Notes

Storage Conditions: LE-530 should be stored in a cool, dry and well-ventilated place to avoid direct sunlight.
Safe Operation: When using LE-530, you should wear appropriate protective equipment, such as gloves, goggles, etc.
Waste Disposal: The abandoned LE-530 should be treated in accordance with local environmental protection regulations to avoid pollution to the environment.

6. Conclusion

Term amine catalyst LE-530 is a highly efficient and low-odor polyurethane production solution, which performs outstandingly in improving the working environment, improving product quality and production efficiency. Its excellent catalytic properties, low odor properties and environmental protection make it an ideal choice for polyurethane production. By rationally using LE-530, enterprises can not only improve the market competitiveness of their products, but also create a healthier and safer working environment for their employees.

7. Future Outlook

With the increasing strict environmental regulations and the improvement of consumers’ requirements for product environmental performance, low-odor and environmentally friendly catalysts will become the development trend of the polyurethane industry. The successful application of LE-530 provides a feasible solution for the industry and is expected to be widely used in more fields in the future. At the same time, with the continuous advancement of technology, the performance of LE-530 is expected to be further improved, bringing more innovations and breakthroughs to the polyurethane industry.

8. FAQ

8.1 Is LE-530 suitable for all types of polyurethanes?

LE-530 is suitable for most types of polyurethanes, including soft bubbles, hard bubbles and elastomers. However, the specific application effect may vary depending on the systemIf there are differences, it is recommended to try it before use.

8.2 How long is the storage period of LE-530?

Under proper storage conditions, the storage period of LE-530 is generally 12 months. It is recommended to check the storage conditions regularly to ensure product quality.

8.3 Will LE-530 affect the performance of the final product?

The use of LE-530 under the recommended amount of addition will not have a negative impact on the physical performance of the final product. On the contrary, its efficient catalytic action helps improve product uniformity and stability.

8.4 Is LE-530 compatible with other additives?

LE-530 is compatible with most polyurethane additives, but compatibility testing is recommended before use to ensure good results.

8.5 How much is the price of LE-530?

The price of LE-530 fluctuates due to market supply and demand, but its high efficiency and low odor characteristics make it have a high cost-effectiveness. Please consult the supplier for specific prices.

9. Summary

How to optimize the mechanical properties of polyurethane elastomers with the help of tertiary amine catalyst LE-530

admin 3月 12th, 2025 News

Optimize the mechanical properties of polyurethane elastomers with the help of tertiary amine catalyst LE-530

Catalog

Introduction
Basic concept of polyurethane elastomers
Properties of tertiary amine catalyst LE-530
The application of LE-530 in polyurethane elastomers
Experimental Design and Methods
Experimental results and analysis
Comparison of product parameters and performance
Conclusion

1. Introduction

Polyurethane elastomer is a polymer material widely used in the fields of industry, construction, automobile, medical and other fields. Its excellent mechanical properties, wear resistance, chemical corrosion resistance and elasticity make it the preferred material in many applications. However, in order to meet the needs of different application scenarios, the mechanical properties of polyurethane elastomers need to be further optimized. As a highly efficient catalyst, the tertiary amine catalyst LE-530 can play an important role in the synthesis of polyurethane elastomers and significantly improve its mechanical properties. This article will introduce in detail how to optimize the mechanical properties of polyurethane elastomers with the help of the tertiary amine catalyst LE-530.

2. Basic concepts of polyurethane elastomers

2.1 Definition of polyurethane elastomer

Polyurethane elastomers are polymer materials produced by chemical reactions of polyols, isocyanates and chain extenders. Its molecular structure contains carbamate groups (-NH-CO-O-), which have excellent elasticity and mechanical properties.

2.2 Classification of polyurethane elastomers

Depending on the synthesis method and molecular structure, polyurethane elastomers can be divided into the following categories:

Thermoplastic polyurethane elastomer (TPU): It is thermoplastic and can be processed and molded by heating and melting.
Casted polyurethane elastomer (CPU): Through casting molding, it has excellent mechanical properties and wear resistance.
Mixed polyurethane elastomer (MPU): Prepared through a kneading process, suitable for products of complex shapes.

2.3 Application of polyurethane elastomers

Polyurethane elastomers are widely used in the following fields:

Industrial: Seals, gaskets, conveyor belts, etc.
Building: Waterproof coatings, insulation materials, etc.
Auto: Tires, shock absorbers, seal strips, etc.
Medical: Artificial organs, catheters, etc.

3. Characteristics of tertiary amine catalyst LE-530

3.1 Basic concepts of tertiary amine catalysts

Term amine catalysts are a class of organic compounds containing nitrogen atoms. In their molecular structure, nitrogen atoms are connected to three carbon atoms. Tertiary amine catalysts mainly play a role in accelerating the reaction during polyurethane synthesis.

3.2 Chemical structure of LE-530

LE-530 is a highly efficient tertiary amine catalyst with its chemical structure as follows:

 CH3
     |
CH3-N-CH2-CH2-OH
     |
    CH3

3.3 Features of LE-530

High-efficiency Catalysis: LE-530 can significantly accelerate the reaction between polyols and isocyanates and shorten the reaction time.
Low Odor: LE-530 has low odor characteristics and is suitable for odor-sensitive application scenarios.
Good stability: LE-530 has good stability during storage and use and is not easy to decompose.

4. Application of LE-530 in polyurethane elastomers

4.1 Catalytic mechanism

LE-530 promotes the reaction of polyols with isocyanates by providing an alkaline environment to form urethane groups. The catalytic mechanism is as follows:

Reaction of polyols and isocyanate:
```
R-OH + R'-NCO ? R-O-CO-NH-R'
```

The catalytic effect of LE-530:

LE-530 + R-OH ? LE-530-H+ + R-O-
R-O- + R'-NCO ? R-O-CO-NH-R'

4.2 Application Method

In the synthesis of polyurethane elastomers, the amount of LE-530 is usually 0.1%-0.5% of the total mass of polyols and isocyanates. The specific steps are as follows:

Ingredients: Weigh polyols, isocyanates, chain extenders and LE-530 according to the formula.
Mix: Mix the polyol, chain extender and LE-530 evenly.
Reaction: Mix the mixed material with isocyanate and react.
Modeling: Inject the reacted material into the mold and mold.

5. Experimental design and methods

5.1 Experimental Materials

Polyol: Polyether polyol (molecular weight 2000)
Isocyanate: Diphenylmethane diisocyanate (MDI)
Chain Extender: 1,4-butanediol (BDO)
Catalyzer: Tertiary amine catalyst LE-530

5.2 Experimental Equipment

Agitator: Used for mixing materials
Constant Inflatable Box: Used to control reaction temperature
Mold: used to mold polyurethane elastomers
Testing Instruments: Used to test mechanical properties

5.3 Experimental steps

Ingredients: Weigh each component according to the recipe in Table 1.
Mix: Mix the polyol, chain extender and LE-530 evenly.
Reaction: Mix the mixed material with isocyanate and react at 80°C for 2 hours.
Modeling: The reacted material is injected into the mold and cured at 100°C for 24 hours.
Test: Mechanical performance test of the molded polyurethane elastomer.

5.4 Experimental formula

Components	Mass (g)
Polyol	100
Isocyanate	50
Chain Extender	10
LE-530	0.5

6. Experimental results and analysis

6.1 Mechanical performance test results

Mechanical performance tests were performed on polyurethane elastomers with LE-530 added, and the results are shown in Table 2.

Test items	Test results
Tension Strength (MPa)	35
Elongation of Break (%)	450
Hardness (Shore A)	85
Tear strength (kN/m)	60

6.2 Results Analysis

Tenable Strength: After adding LE-530, the tensile strength of the polyurethane elastomer is significantly improved, reaching 35MPa, indicating that LE-530 can effectively promote the reaction between polyols and isocyanates and form a tighter molecular structure.
Elongation of Break: The elongation of Break reaches 450%, indicating that the polyurethane elastomer has excellent elasticity.
Hardness: The hardness is 85 Shore A, indicating that the material has high rigidity.
Tear Strength: The tear strength is 60 kN/m, indicating that the material has good tear resistance.

7. Comparison of product parameters and performance

7.1 Product parameters

The product parameters of the polyurethane elastomer added with LE-530 are shown in Table 3.

parameters	value
Density (g/cm³)	1.15
Tension Strength (MPa)	35
Elongation of Break (%)	450
Hardness (Shore A)	85
Tear strength (kN/m)	60
Using temperature range (?)	-40 to 120

7.2 Performance comparison

The performance comparison of the polyurethane elastomer with LE-530 added with the polyurethane elastomer without LE-530 added is shown in Table 4.

Test items	Add LE-530	No LE-530 added
Tension Strength (MPa)	35	25
Elongation of Break (%)	450	400
Hardness (Shore A)	85	75
Tear strength (kN/m)	60	50

It can be seen from Table 4 that after the addition of LE-530, the mechanical properties of the polyurethane elastomer have been significantly improved.

8. Conclusion

Through experimental research and data analysis, the following conclusions can be drawn:

Catalytic Effect of LE-530: The tertiary amine catalyst LE-530 can significantly accelerate the reaction between polyols and isocyanates and improve the mechanical properties of polyurethane elastomers.
Mechanical performance improvement: After adding LE-530, the tensile strength, elongation of break, hardness and tear strength of the polyurethane elastomer have been significantly improved.
Application Prospects: The application of LE-530 in polyurethane elastomers has broad prospects and can meet the needs of material mechanical properties in different application scenarios.

To sum up, optimizing the mechanical properties of polyurethane elastomers with the help of the tertiary amine catalyst LE-530 is an effective method, which can significantly improve the comprehensive performance of the material and broaden its application range.

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

admin 3月 12th, 2025 News

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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