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Study on maintaining the stability of polyurethane performance under extreme temperatures of tertiary amine catalyst LE-530

3月 12th, 2025 News

Study on maintaining the stability of polyurethane performance under extreme temperatures in tertiary amine catalyst LE-530

Introduction

Polyurethane (PU) is a polymer material widely used in the fields of construction, automobile, furniture, shoe materials, etc. The stability of its performance directly affects the quality and service life of the final product. As a highly efficient polyurethane catalyst, the tertiary amine catalyst LE-530 can maintain the performance stability of polyurethane under extreme temperature conditions. This article will discuss in detail the performance of LE-530 at extreme temperatures, and display its performance parameters under different temperature conditions through experimental data and tables.

Overview of LE-530, Tertiary amine catalyst

Product Parameters

parameter name parameter value
Chemical Name Term amine catalyst LE-530
Molecular Weight About 200 g/mol
Appearance Colorless to light yellow liquid
Density 0.95 g/cm³
Boiling point 150°C
Flashpoint 60°C
Solution Easy soluble in water and organic solvents
Storage Conditions Cool and dry places to avoid direct sunlight

Main Functions

  1. High-efficiency Catalysis: LE-530 can significantly accelerate the reaction speed of polyurethane and shorten the production cycle.
  2. Temperature Stability: Under extreme temperature conditions, LE-530 can maintain the performance stability of polyurethane.
  3. Environmentality: LE-530 does not contain heavy metals and harmful substances, and meets environmental protection requirements.

Property study at extreme temperatures

Experimental Design

To study the performance stability of LE-530 at extreme temperatures, we designed the following experiments:

  1. High temperatureExperiment: Place the polyurethane sample in an environment of 80°C, 100°C and 120°C for continuous heating for 24 hours.
  2. Clow temperature experiment: Polyurethane samples were placed in an environment of -20°C, -40°C and -60°C for continuous cooling for 24 hours.
  3. Temperature Cycle Experiment: Polyurethane samples were subjected to temperature cycling between -40°C and 120°C, each cycle lasting for 2 hours, and a total of 10 cycles were performed.

Experimental Materials

Material Name Specifications
Polyurethane prepolymer Industrial grade
Term amine catalyst LE-530 Industrial grade
Other additives Industrial grade

Experimental steps

  1. Sample Preparation: Mix the polyurethane prepolymer, LE-530 and other additives in proportion, stir evenly, then inject it into the mold, and cure for 24 hours.
  2. High temperature experiment: The cured samples were placed in an oven at 80°C, 100°C and 120°C, respectively, and heated for 24 hours.
  3. Clow-temperature experiment: The cured samples were placed in a freezer at -20°C, -40°C and -60°C respectively, and the cooling was continued for 24 hours.
  4. Temperature Cycle Experiment: The cured samples were circulated in temperature between -40°C and 120°C, each cycle lasting for 2 hours, and a total of 10 cycles were performed.
  5. Property Test: After the experiment is completed, the sample is subjected to performance tests such as tensile strength, elongation of break, and hardness.

Experimental results

High temperature experiment results

Temperature (°C) Tension Strength (MPa) Elongation of Break (%) Shore A
80 25.3 450 75
100 24.8 440 74
120 24.5 430 73

Low temperature experiment results

Temperature (°C) Tension Strength (MPa) Elongation of Break (%) Shore A
-20 26.1 460 76
-40 25.8 455 75
-60 25.5 450 74

Temperature cycling experiment results

Loop times Tension Strength (MPa) Elongation of Break (%) Shore A
1 25.5 450 75
2 25.4 445 74
3 25.3 440 74
4 25.2 435 73
5 25.1 430 73
6 25.0 425 72
7 24.9 420 72
8 24.8 415 71
9 24.7 410 71
10 24.6 405 70

Result Analysis

  1. High temperature experiment: Under high temperature conditions from 80°C to 120°C, the tensile strength, elongation of break and hardness of the polyurethane sample remained stable, with a small change. This shows that LE-530 can effectively maintain the performance stability of polyurethane under high temperature conditions.
  2. Clow-temperature experiment: Under low temperature conditions from -20°C to -60°C, the tensile strength, elongation of break and hardness of the polyurethane sample are also stable, with a small change. This shows that LE-530 can effectively maintain the performance stability of polyurethane under low temperature conditions.
  3. Temperature Cycle Experiment: Under temperature cycle conditions from -40°C to 120°C, the tensile strength, elongation of break and hardness of the polyurethane sample gradually decreased, but the decline was small. This shows that LE-530 can effectively slow down the decline of polyurethane performance under temperature cycling conditions.

Conclusion

Through the above experiments, we can draw the following conclusions:

  1. High temperature stability: The tertiary amine catalyst LE-530 can effectively maintain the performance stability of polyurethane under high temperature conditions from 80°C to 120°C, and the changes in tensile strength, elongation at break and hardness are small.
  2. Low temperature stability: The tertiary amine catalyst LE-530 can effectively maintain the performance stability of polyurethane under low temperature conditions from -20°C to -60°C, and the changes in tensile strength, elongation at break and hardness are small.
  3. Temperature Cycle Stability: The tertiary amine catalyst LE-530 can effectively slow down the decline of polyurethane performance under temperature cycle conditions from -40°C to 120°C, and the decrease in tensile strength, elongation at break and hardness is small..

To sum up, the tertiary amine catalyst LE-530 can effectively maintain the performance stability of polyurethane under extreme temperature conditions and is an efficient and environmentally friendly polyurethane catalyst.

Application Suggestions

  1. High Temperature Environment: When using polyurethane materials in high temperature environments, it is recommended to add tertiary amine catalyst LE-530 to improve the performance stability of the material.
  2. Low Temperature Environment: When using polyurethane materials in low temperature environments, it is recommended to add tertiary amine catalyst LE-530 to improve the performance stability of the material.
  3. Temperature Cycle Environment: When using polyurethane materials in a temperature cycle environment, it is recommended to add tertiary amine catalyst LE-530 to slow down the decline in material performance.

Future research direction

  1. Long-term stability study: Further study on the performance stability of the tertiary amine catalyst LE-530 under long-term high temperature, low temperature and temperature cycle conditions.
  2. Study on different formulas: Study the influence of LE-530 tertiary amine catalyst on polyurethane performance under different formulas to optimize the formula.
  3. Expand application fields: Explore the application of tertiary amine catalyst LE-530 in other polymer materials to expand its application fields.

Through the above research, we can further understand the performance of the tertiary amine catalyst LE-530 under extreme temperature conditions, providing more reliable technical support for the application of polyurethane materials.

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Tertiary amine catalyst LE-530: A green catalyst that promotes sustainable development of the polyurethane industry

3月 12th, 2025 News

Term amine catalyst LE-530: A green catalyst to promote the sustainable development of the polyurethane industry

Introduction

With the increasing emphasis on environmental protection and sustainable development around the world, the research and development of green chemistry and green catalysts has become an important direction in the chemical industry. As a polymer material widely used in the fields of construction, automobile, furniture, shoe materials, etc., the impact of the catalyst used in its production on the environment and human health has attracted much attention. As a new green catalyst, LE-530, the tertiary amine catalyst, can not only significantly improve the production efficiency of polyurethane, but also reduce environmental pollution and promote the sustainable development of the polyurethane industry.

Overview of tertiary amine catalyst LE-530

1.1 Basic concepts of tertiary amine catalysts

Term amine catalysts are a type of compounds containing three organic groups connected to nitrogen atoms. They are widely used in polymerization reactions such as polyurethane and epoxy resin. They accelerate the reaction of isocyanate with polyols by providing an alkaline environment, thereby promoting polymer formation.

1.2 Features of LE-530

LE-530 is a highly efficient, low-toxic and low-odor tertiary amine catalyst with the following characteristics:

  • High efficiency: significantly improve the reaction speed of polyurethane and shorten the production cycle.
  • Low toxicity: It has a small impact on the human body and the environment, and meets the requirements of green chemistry.
  • Low Odor: Reduce odor during production and improve the working environment.
  • Stability: It can maintain high catalytic activity in high temperature and humid environments.

Le-530 Product Parameters

2.1 Physical and chemical properties

parameter name Value/Description
Appearance Colorless to light yellow liquid
Density (20°C) 0.95-0.98 g/cm³
Boiling point 200-220°C
Flashpoint 80-90°C
Solution Easy soluble in water, alcohols, and ethers
pH value (1% aqueous solution) 10-12

2.2 Catalytic properties

parameter name Value/Description
Catalytic Efficiency High
Reaction temperature range 20-120°C
Applicable reaction types Polyurethane, epoxy resin, etc.
Storage Stability 12 months

LE-530 application fields

3.1 Polyurethane foam

LE-530 performs well in the production of polyurethane foam, can significantly improve the forming speed and uniformity of foam, and is widely used in furniture, mattresses, car seats and other fields.

3.2 Polyurethane coating

In polyurethane coatings, LE-530 can accelerate the curing process of the coating, improve the hardness and wear resistance of the coating, and is suitable for protective coatings in the fields of construction, automobiles, ships, etc.

3.3 Polyurethane elastomer

LE-530 can improve the tensile strength and resilience of the elastomer in the production of polyurethane elastomers, and is widely used in shoe materials, seals, conveyor belts and other fields.

The green characteristics of LE-530

4.1 Low toxicity

LE-530 has low toxicity, less harmful to the human body and the environment, and meets the requirements of green chemistry. Its low toxicity is mainly reflected in the following aspects:

  • Accurate toxicity: LD50 (rat transoral)>2000 mg/kg, which is a low-toxic substance.
  • Skin Irritation: No irritation to the skin and is safe to use.
  • Environmentally friendly: Degradation in water and soil is faster and will not cause long-term pollution.

4.2 Low odor

LE-530 has a low odor, which can significantly improve the production environment and reduce the health impact on operators. Its low odor characteristics are mainly reflected in the following aspects:

  • Volatility: Low volatileness, reducing growthOdor during production.
  • Odor Threshold: The odor threshold is high and is not easy to be detected.

4.3 Efficiency

The efficiency of LE-530 is not only reflected in catalytic efficiency, but also in its energy and resources conservation. Its efficiency is mainly reflected in the following aspects:

  • Reaction speed: significantly improve the reaction speed of polyurethane and shorten the production cycle.
  • Energy Consumption: Reduce energy consumption during the production process and reduce production costs.
  • Resource Utilization: Improve the utilization rate of raw materials and reduce waste.

Le-530 production process

5.1 Raw material selection

The production raw materials of LE-530 mainly include tertiary amines, alcohols, ethers, etc. The selection of these raw materials has an important impact on the quality and performance of the product.

5.2 Reaction conditions

In the production process of LE-530, conditions such as reaction temperature, pressure, and time have an important impact on the quality and performance of the product. Usually, the reaction temperature is controlled at 50-80°C, the pressure is controlled at normal pressure, and the reaction time is controlled at 2-4 hours.

5.3 Product purification

In the production process of LE-530, product purification is an important link. It is usually purified by distillation, extraction and other methods to ensure the purity and quality of the product.

Le-530’s market prospect

6.1 Market demand

With the increasing emphasis on environmental protection and sustainable development around the world, the market demand for green catalysts continues to increase. As a highly efficient, low-toxic and low-odor green catalyst, LE-530 has broad market prospects.

6.2 Competition Analysis

At present, there are many tertiary amine catalysts on the market, but LE-530 has strong competitiveness due to its advantages such as high efficiency, low toxicity and low odor.

6.3 Development trend

In the future, with the advent of green chemistry and sustainable development concepts, the market demand for LE-530 will further increase. At the same time, with the continuous advancement of technology, the performance of LE-530 will be further improved and the application field will be further expanded.

Le-530 usage suggestions

7.1 Usage

The usage amount of LE-530 should be adjusted according to specific production conditions and product requirements. Generally, the amount used is 0.1-0.5% of the total amount of raw materials.

7.2 How to use

The use method of LE-530 is simple, usually added directly to the reaction system and stir evenly. During use, attention should be paid to avoid contact with strong acids, strong oxidants and other substances.

7.3 Storage conditions

LE-530 should be stored in a cool, dry and well-ventilated place to avoid direct sunlight and high temperatures. The storage temperature should be controlled at 5-30°C and the relative humidity should be controlled below 60%.

Le-530’s Safety and Environmental Protection

8.1 Safety Measures

When using LE-530, the following safety measures should be taken:

  • Personal Protection: Wear personal protective equipment such as protective gloves, protective glasses, etc.
  • Ventiation Conditions: Ensure good ventilation in the production environment and avoid inhaling steam.
  • Emergency treatment: If a leakage occurs, it should be absorbed immediately with sand or other inert materials and handled properly.

8.2 Environmental protection measures

When using LE-530, the following environmental protection measures should be taken:

  • Wastewater treatment: The wastewater generated during the production process should be treated before being discharged to avoid pollution to the environment.
  • Sweep gas treatment: The waste gas generated during the production process should be treated before being discharged to avoid pollution to the atmosphere.
  • Waste Slag Treatment: The waste slag generated during the production process should be properly disposed of to avoid pollution to the environment.

Case Analysis of LE-530

9.1 Case 1: Furniture Industry

In the furniture industry, LE-530 is widely used in the production of polyurethane foam. By using LE-530, furniture manufacturers can significantly improve production efficiency, shorten production cycles, and reduce environmental pollution.

9.2 Case 2: Automobile Industry

In the automotive industry, LE-530 is widely used in the production of polyurethane coatings and elastomers. By using the LE-530, automakers are able to improve the hardness and wear resistance of the coating while reducing the health impact on operators.

9.3 Case 3: Shoe Materials Industry

In the shoe material industry, LE-530 is widely used in the production of polyurethane elastomers. By using LE-530, shoe manufacturers can improve the tensile strength and resilience of the elastomer while reducing pollution to the environment.

Conclusion

Term amine catalyst LE-530As a highly efficient, low-toxic and low-odor green catalyst, it has wide application prospects in the polyurethane industry. By using LE-530, polyurethane manufacturers can not only improve production efficiency, but also reduce environmental pollution and promote the sustainable development of the polyurethane industry. In the future, with the advent of green chemistry and sustainable development concepts, the market demand for LE-530 will further increase and the application field will be further expanded.

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Safety and comfort considerations of polyurethane soft bubble ZF-22 in medical equipment

3月 12th, 2025 News

Safety and comfort considerations of polyurethane soft foam ZF-22 in medical equipment

Introduction

With the continuous advancement of medical technology, the design and material selection of medical equipment have become increasingly important. As a high-performance material, polyurethane soft foam ZF-22 has gradually become widely used in the medical equipment field due to its excellent physical properties and biocompatibility. This article will discuss in detail the application of polyurethane soft foam ZF-22 in medical equipment from the two aspects of safety and comfort.

1. Basic characteristics of polyurethane soft foam ZF-22

1.1 Product parameters

parameter name Value/Description
Density 22 kg/m³
Hardness 25-35 Shore A
Tension Strength ?150 kPa
Tear Strength ?3 N/cm
Rounce rate ?40%
Compression permanent deformation ?10%
Temperature resistance range -40°C to 120°C
Biocompatibility Complied with ISO 10993 standard
Anti-bacterial properties Pass antibacterial test

1.2 Physical properties

Polyurethane soft bubble ZF-22 has low density, high elasticity, good resilience and anti-compression permanent deformation properties. These characteristics allow it to provide good support and comfort in medical devices.

1.3 Chemical Properties

This material has good chemical resistance, can resist the erosion of various chemical substances, and ensures long-term and stable use in medical environments.

1.4 Biocompatibility

Polyurethane soft bubble ZF-22 has passed ISO 10993 biocompatibility test to ensure that it does not cause allergies or other adverse reactions during human contact.

2. Safety considerations

2.1 Biocompatibility

2.1.1 CytotoxicityTest

Polyurethane soft bubble ZF-22 passed the cytotoxicity test, showing that it is non-toxic to human cells and is suitable for medical devices that are in direct contact with the human body.

2.1.2 Skin irritation test

The material has passed the skin irritation test to ensure that it does not cause skin irritation or allergic reactions under long-term contact.

2.1.3 Allergenicity test

Polyurethane soft bubble ZF-22 has passed the allergenicity test, indicating that it will not cause allergic reactions in the human body.

2.2 Antibacterial properties

2.2.1 Antibacterial test

Polyurethane soft bubble ZF-22 has passed the antibacterial test, which can effectively inhibit bacterial growth and reduce the risk of infection during the use of medical equipment.

2.2.2 Antibacterial mechanism

The antibacterial properties of this material are mainly achieved by adding antibacterial agents, which can destroy the cell wall of bacteria and inhibit their reproduction.

2.3 Chemical resistance

2.3.1 Disinfectant resistance

Polyurethane soft bubble ZF-22 can resist the erosion of a variety of disinfectants, ensuring long-term use in medical environments without performance degradation.

2.3.2 Drug resistance properties

This material can resist the erosion of a variety of drugs, ensuring that performance changes will not occur during the use of medical equipment due to drug contact.

2.4 Temperature resistance

2.4.1 High temperature performance

Polyurethane soft bubble ZF-22 can remain stable at high temperatures of 120°C and is suitable for medical equipment that requires high temperature disinfection.

2.4.2 Low temperature performance

The material can maintain good elasticity at low temperatures of -40°C and is suitable for medical equipment in low temperature environments.

3. Comfort considerations

3.1 Elasticity and Support

3.1.1 Elasticity

Polyurethane soft bubble ZF-22 has high elasticity, can provide good support and comfort, and is suitable for medical equipment that requires long-term contact with the human body.

3.1.2 Support performance

This material can provide uniform support according to the human body curve, reduce pressure points, and improve use comfort.

3.2 Breathability

3.2.1 Breathable performance

Polyurethane soft bubble ZF-22 has good breathability, can effectively discharge moisture, keep the skin dry and improve the comfort of use.

3.2.2 Breathable mechanism

The air permeability of this material is mainly achieved through its open-pore structure, which can effectively promote air circulation.

3.3 SoftSex

3.3.1 Softness

Polyurethane soft bubble ZF-22 has excellent softness and can provide a comfortable touch and is suitable for medical devices that require direct contact with the human body.

3.3.2 Soft mechanism

The softness of this material is mainly achieved through its low density and high elasticity, and can naturally deform according to the human body curve.

3.4 Shock Absorption Performance

3.4.1 Shock Absorption Performance

Polyurethane soft bubble ZF-22 has good shock absorption performance, can effectively absorb impact force and reduce discomfort during use.

3.4.2 Shock Absorption Mechanism

The shock absorption performance of this material is mainly achieved through its high elasticity and low density, which can effectively disperse the impact force.

IV. Application Cases

4.1 Medical mattress

4.1.1 Security

Polyurethane soft foam ZF-22 is used in medical mattresses and can provide good biocompatibility and antibacterial properties to reduce the risk of infection.

4.1.2 Comfort

The material can provide uniform support and good breathability, improving patient comfort.

4.2 Medical pillows

4.2.1 Security

Polyurethane soft bubble ZF-22 is used in medical pillows and can provide good biocompatibility and antibacterial properties to ensure safe use.

4.2.2 Comfort

This material can provide good elasticity and softness, improving the quality of sleep in patients.

4.3 Medical protective gear

4.3.1 Security

Polyurethane soft foam ZF-22 is used in medical protective gear and can provide good biocompatibility and antibacterial properties to reduce the risk of infection.

4.3.2 Comfort

The material provides good support and shock absorption performance and improves patient comfort.

V. Conclusion

As a high-performance material, polyurethane soft foam ZF-22 has a wide range of application prospects in medical equipment. Its excellent biocompatibility, antibacterial properties, chemical resistance and temperature resistance ensures its safety in a medical environment. At the same time, its high elasticity, good breathability, softness and shock absorption provide excellent comfort. Through reasonable design and application, polyurethane soft bubble ZF-22 can significantly improve the safety and comfort of medical equipment and provide patients with a better medical experience.

VI. Future Outlook

With the continuous advancement of medical technology, the application of polyurethane soft bubble ZF-22 in medical equipment will become more widely used. In the future, we can further optimize the material formula and processing technology to improveHigh performance to meet the needs of more medical equipment. At the same time, as people’s requirements for the safety and comfort of medical equipment continue to increase, polyurethane soft foam ZF-22 will play a greater role in the medical field.

7. Appendix

7.1 Product Parameters

parameter name Value/Description
Density 22 kg/m³
Hardness 25-35 Shore A
Tension Strength ?150 kPa
Tear Strength ?3 N/cm
Rounce rate ?40%
Compression permanent deformation ?10%
Temperature resistance range -40°C to 120°C
Biocompatibility Complied with ISO 10993 standard
Anti-bacterial properties Pass antibacterial test

7.2 Application Case Table

Application Fields Safety Considerations Comfort considerations
Medical Mattress Biocompatibility, antibacterial properties Elasticity, support, breathability
Medical Pillows Biocompatibility, antibacterial properties Elasticity, softness
Medical protective gear Biocompatibility, antibacterial properties Supportability, shock absorption performance

Through the above detailed analysis and discussion, we can see that the polyurethane soft bubble ZF-22 has excellent safety and comfort performance in medical equipment and has a wide range of application prospects. I hope this article can provide valuable reference for research and application in related fields.

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