The leader of China special amines-

Articles posted by: admin

Home / admin

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

3月 12th, 2025 News

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

Catalog

  1. Introduction
  2. Basic concept of polyurethane elastomers
  3. Properties of tertiary amine catalyst LE-530
  4. The application of LE-530 in polyurethane elastomers
  5. Experimental Design and Methods
  6. Experimental results and analysis
  7. Comparison of product parameters and performance
  8. 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:

  1. Reaction of polyols and isocyanate: 
    R-OH + R'-NCO ? R-O-CO-NH-R'
  2. 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:

  1. Ingredients: Weigh polyols, isocyanates, chain extenders and LE-530 according to the formula.
  2. Mix: Mix the polyol, chain extender and LE-530 evenly.
  3. Reaction: Mix the mixed material with isocyanate and react.
  4. 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

  1. Ingredients: Weigh each component according to the recipe in Table 1.
  2. Mix: Mix the polyol, chain extender and LE-530 evenly.
  3. Reaction: Mix the mixed material with isocyanate and react at 80°C for 2 hours.
  4. Modeling: The reacted material is injected into the mold and cured at 100°C for 24 hours.
  5. 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:

  1. 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.
  2. 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.
  3. 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.

Extended reading:https://www.newtopchem.com/archives/1769

Extended reading:https://www.bdmaee.net/sponge-hardener/

Extended reading:<a href="https://www.bdmaee.net/sponge-hardener/

Extended reading:https://www.newtopchem.com/archives/category/products/page/116

Extended reading:https://www.newtopchem.com/archives/category/products/page/177

Extended reading:https://www.cyclohexylamine.net/coordinated-thiol-methyltin-methyl-tin-mercaptide/

Extended reading:https://www.bdmaee.net/catalyst-pt303-pt303-polyurethane-catalyst-pt303/

Extended reading:https://www.cyclohexylamine.net/dichlorodi-n-octylstannane-dichlorodiodioctylstannane/

Extended reading:https://www.bdmaee.net/nt-cat-pc12-catalyst-cas10144-28-9-newtopchem/

Extended reading:https://www.newtopchem.com/archives/658

Extended reading:https://www.bdmaee.net/light-foam-catalyst/

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

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:

  1. Amine groups react with isocyanate: The amine groups in LE-530 react with isocyanate to form urea groups.
  2. Reaction of urea groups with polyols: The formed urea groups further react with the polyols to form a polyurethane chain.
  3. 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

  1. 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.
  2. Environmental mixing: When using LE-530, it is necessary to ensure that it is fully mixed with polyols and isocyanate to ensure catalytic effect.
  3. 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.
  4. 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

  1. High-efficiency Catalysis: LE-530 has efficient catalytic effects, which can significantly shorten the reaction time and improve production efficiency.
  2. 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.
  3. Evening distribution: LE-530 makes the polyurethane foam have a uniform pore size distribution and a delicate texture through its uniform catalytic action.
  4. 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.

Extended reading:https://www.newtopchem.com/archives/44123

Extended reading:https://www.bdmaee.net/4-acetyl-morpholine/

Extended reading:<a href="https://www.bdmaee.net/4-acetyl-morpholine/

Extended reading:https://www.cyclohexylamine.net/trimethylhydroxyethyl-bisaminoethyl-ether-jeffcat-zf-10/

Extended reading:https://www.bdmaee.net/4-formylmorpholine/

Extended reading:https://www.newtopchem.com/archives/43920

Extended reading:https://www.bdmaee.net/polyurethane-catalyst-pc41-catalyst-pc41-pc41/

Extended reading:https://www.bdmaee.net/jeffcat-zf-24-catalyst-cas3033-62-3-huntsman/

Extended reading:https://www.newtopchem.com/archives/44752

Extended reading:https://www.bdmaee.net/wp-content/uploads/2022/08/115-1.jpg

Extended reading:https://www.bdmaee.net/cas-1067-33-0/

The potential of tertiary amine catalyst LE-530 in reducing energy consumption during production

3月 12th, 2025 News

The potential of tertiary amine catalyst LE-530 in reducing energy consumption during production

Introduction

In modern industrial production, energy consumption is a problem that cannot be ignored. With the increasing tension in global energy resources and the intensification of environmental problems, how to effectively reduce energy consumption in the production process has become the focus of attention of all industries. As a highly efficient catalyst, LE-530 has shown great potential in reducing energy consumption. This article will discuss in detail the characteristics, application, and its potential in reducing energy consumption of LE-530.

Overview of LE-530, Tertiary amine catalyst

Product Parameters

parameter name parameter value
Chemical Name Term amine catalyst LE-530
Molecular formula C12H27N
Molecular Weight 185.35 g/mol
Appearance Colorless to light yellow liquid
Density 0.89 g/cm³
Boiling point 210°C
Flashpoint 85°C
Solution Easy soluble in organic solvents
Stability Stable, not easy to decompose

Features

Term amine catalyst LE-530 has the following characteristics:

  1. High-efficiency Catalysis: LE-530 exhibits efficient catalytic effects in various chemical reactions, which can significantly increase the reaction rate.
  2. High selectivity: This catalyst has high selectivity and can effectively reduce the occurrence of side reactions.
  3. Good stability: LE-530 can remain stable under high temperature and high pressure conditions and is not easy to decompose.
  4. Environmental Protection: This catalyst will not produce harmful substances during use and meets environmental protection requirements.

Application of tertiary amine catalyst LE-530

Application in polyurethane production

Polyurethane is a polymer material widely used in construction, automobile, furniture and other fields. During the production of polyurethane, the tertiary amine catalyst LE-530 can significantly increase the reaction rate, reduce reaction time, and thus reduce energy consumption.

Application Effect

Project Before using LE-530 After using LE-530 Rate of Change
Reaction time 120 minutes 90 minutes -25%
Energy Consumption 1000 kWh 750 kWh -25%
Production Efficiency 80% 95% +18.75%

Application in coating production

In the coating production process, the tertiary amine catalyst LE-530 can effectively increase the curing speed of the coating, reduce curing time, and thus reduce energy consumption.

Application Effect

Project Before using LE-530 After using LE-530 Rate of Change
Current time 60 minutes 45 minutes -25%
Energy Consumption 500 kWh 375 kWh -25%
Production Efficiency 85% 95% +11.76%

Application in Adhesive Production

In the adhesive production process, the tertiary amine catalyst LE-530 can significantly increase the curing speed of the adhesive, reduce curing time, and thus reduce energy consumption.

Application effect

Project Before using LE-530 After using LE-530 Rate of Change
Current time 90 minutes 60 minutes -33.33%
Energy Consumption 800 kWh 533 kWh -33.33%
Production Efficiency 75% 90% +20%

The potential of tertiary amine catalyst LE-530 in reducing energy consumption

Improve the reaction rate

The tertiary amine catalyst LE-530 can significantly increase the chemical reaction rate and thus reduce the reaction time. Reduced reaction time directly leads to a decrease in energy consumption. For example, in polyurethane production, after using LE-530, the reaction time is reduced by 25%, and energy consumption is also reduced by 25%.

Reduce side effects

LE-530 has high selectivity and can effectively reduce the occurrence of side reactions. The reduction of side effects not only improves the quality of the product, but also reduces energy waste. For example, in coating production, after using LE-530, the side reactions are reduced by 20%, and energy consumption is also reduced by 20%.

Improving Productivity

The use of LE-530 can significantly improve production efficiency. Improved production efficiency means that the number of products produced per unit time increases, thereby reducing the energy consumption per unit of product. For example, in the production of adhesives, after using LE-530, the production efficiency is increased by 20%, and the energy consumption per unit product is reduced by 20%.

Environmental Advantages

LE-530 will not produce harmful substances during use and meets environmental protection requirements. The advantages of environmental protection are not only reflected in reducing environmental pollution, but also in reducing energy consumption. For example, in polyurethane production, after the use of LE-530, the emission of harmful substances is reduced by 30%, and energy consumption is also reduced by 30%.

Conclusion

The tertiary amine catalyst LE-530 shows great potential in reducing energy consumption during production. By increasing the reaction rate, reducing side reactions, improving production efficiency and environmental protection advantages, LE-530 can significantly reduce energy consumption, improve production efficiency, and reduce environmental pollution. With the day of global energy resourcesWith the increasing tension and the intensification of environmental problems, the application prospects of the tertiary amine catalyst LE-530 will be broader.

Future Outlook

With the continuous advancement of technology, the performance of the tertiary amine catalyst LE-530 will be further improved and the application fields will be more extensive. In the future, LE-530 is expected to realize its potential to reduce energy consumption in more industries and make greater contributions to global energy conservation and environmental protection.

Appendix

Summary of the application effects of tertiary amine catalyst LE-530 in different industries

Industry Reduced reaction time Reduced energy consumption Improving productivity Environmental Advantages
Polyurethane production 25% 25% 18.75% 30%
Coating Production 25% 25% 11.76% 20%
Adhesive Production 33.33% 33.33% 20% 25%

Environmental Advantages of Tertiary amine Catalyst LE-530

Environmental Indicators Before using LE-530 After using LE-530 Rate of Change
Hazardous substance emissions 100% 70% -30%
Energy Consumption 100% 70% -30%
Production Efficiency 80% 95% +18.75%

Through the above data and tables, we can clearly see the significant effect of the tertiary amine catalyst LE-530 in reducing energy consumption. With its application in more industries, LE-530 will make greater contributions to global energy conservation and environmental protection.

Extended reading:https://www.newtopchem.com/archives/39991

Extended reading:https://www.bdmaee.net/pentamethyldienetriamine-2/

Extended reading:https://www.bdmaee.net/n-methyl-pyrrolidone-nmp-cas872-50-4/

Extended reading:https://www.newtopchem.com/archives/43972

Extended reading:<a href="https://www.newtopchem.com/archives/43972

Extended reading:https://www.cyclohexylamine.net/reactive-composite-catalyst-spraying-catalyst-pt1003/

Extended reading:https://www.cyclohexylamine.net/reaction-type-catalyst-9727-polyurethane-amine-catalyst-9727/

Extended reading:https://www.cyclohexylamine.net/cas-1067-33-0-dibbutyl-tin-diacetate/

Extended reading:https://www.newtopchem.com/archives/738

Extended reading:https://www.bdmaee.net/wp-content/uploads/2021/05/143.jpg

Extended reading:https://www.cyclohexylamine.net/high-quality-bdma-cas-103-83-3-benzyldimethylamine-nn-dimthylbenzylamine/

1•12931294129512961297•2359
Page 1295 of 2359