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The role of delayed low-odor amine catalyst LED-204 in improving the softness and comfort of polyurethane elastomers

admin 3月 12th, 2025 News

The role of delayed low odor amine catalyst LED-204 in improving the softness and comfort of polyurethane elastomers

1. Introduction

Polyurethane elastomer is a high-performance material widely used in automobiles, furniture, shoe materials, medical equipment and other fields. Its excellent mechanical properties, wear resistance and chemical resistance make it the preferred material in many industries. However, as consumers’ requirements for product comfort and environmental performance continue to increase, traditional polyurethane elastomers can no longer meet market demand in some aspects. Especially in terms of softness and comfort, traditional polyurethane elastomers often have certain limitations.

To improve the softness and comfort of polyurethane elastomers, researchers have developed a variety of novel catalysts and additives. Among them, the delayed low-odor amine catalyst LED-204 has attracted much attention due to its unique performance. This article will introduce in detail the role of LED-204 in improving the softness and comfort of polyurethane elastomers, and demonstrate its performance advantages through product parameters and tables.

2. Basic characteristics of polyurethane elastomers

2.1 Structure of polyurethane elastomer

Polyurethane elastomers are polymer materials produced by chemical reactions of polyols, isocyanates and chain extenders. Its molecular chain contains a large number of carbamate groups (-NH-CO-O-), which impart excellent mechanical properties and chemical stability to the polyurethane elastomer.

2.2 Properties of polyurethane elastomers

Polyurethane elastomers have the following main properties:

High elasticity: Polyurethane elastomers have excellent elastic recovery properties and can quickly return to their original state after being affected by external forces.
Abrasion Resistance: The wear resistance of polyurethane elastomers is better than many other materials and is suitable for high wear environments.
Chemical resistance: Polyurethane elastomers have good tolerance to a variety of chemical substances and are suitable for chemical equipment and other fields.
Softness: The softness of polyurethane elastomers can be adjusted by adjusting the formula and process, but traditional formulas have certain limitations in softness.

3. Overview of the delayed low-odor amine catalyst LED-204

3.1 Basic characteristics of LED-204

LED-204 is a novel delayed low odor amine catalyst specially designed to improve the softness and comfort of polyurethane elastomers. Its main characteristics include:

Delayed Catalysis: LED-204 has a delayed catalytic effect and canThe polyurethane reaction provides longer operating time to facilitate the molding of complex-shaped products.
Low Odor: The odor produced by LED-204 during the reaction process is extremely low, meets environmental protection requirements, and is suitable for odor-sensitive application scenarios.
High-efficiency Catalysis: LED-204 can significantly improve the efficiency of polyurethane reaction, shorten the production cycle, and reduce energy consumption.

3.2 Chemical structure of LED-204

The chemical structure of LED-204 has been carefully designed to show excellent catalytic properties in the polyurethane reaction. Its molecular structure contains specific amine groups that can react with isocyanate to promote the growth and cross-linking of polyurethane chains.

4. The role of LED-204 in improving the softness of polyurethane elastomers

4.1 Definition of softness

Softness refers to the softness of the material when it is subjected to external forces. For polyurethane elastomers, softness directly affects their comfort and performance. Polyurethane elastomers with high softness can better adapt to the human body curves and provide a more comfortable touch.

4.2 Effect of LED-204 on softness

LED-204 improves the softness of polyurethane elastomers through the following mechanisms:

Compliance of Molecular Chain: LED-204 can promote the flexibility of the polyurethane molecular chain, making it more likely to deform when it is subjected to external forces, thereby improving softness.
Control crosslink density: LED-204 can accurately regulate the crosslink density of polyurethane elastomers, so that it has higher softness while maintaining mechanical strength.
Optimization of micro-phase separation: LED-204 can optimize the micro-phase separation structure in polyurethane elastomers, making its soft and hard segments more uniformly distributed, thereby improving overall softness.

4.3 Experimental data

Through comparative experiments, the polyurethane elastomer using LED-204 showed significant advantages in softness. The following is a comparison table of experimental data:

Catalytic Type	Softness (Shore A)	Operation time (minutes)	Odor level
Traditional catalyst	60	5	High
LED-204	45	10	Low

As can be seen from the table, the polyurethane elastomer using LED-204 is significantly better than traditional catalysts in terms of softness, while operating for longer and having a lower odor.

5. The role of LED-204 in improving the comfort of polyurethane elastomers

5.1 Definition of comfort

Comfort refers to the comfort feeling provided by the material to the user during use. For polyurethane elastomers, comfort is mainly reflected in touch, breathability and temperature adjustment.

5.2 Effect of LED-204 on comfort

LED-204 improves the comfort of polyurethane elastomers through the following mechanisms:

Enhanced Touch: LED-204 can make the surface of polyurethane elastomer smoother and more delicate, providing a more comfortable touch.
Improving Breathability: LED-204 can optimize the microporous structure of polyurethane elastomers to have better breathability, thereby improving the comfort of use.
Optimization of temperature regulation: LED-204 can make polyurethane elastomers have better temperature regulation performance, keeping them cool in high temperature environments and warm in low temperature environments.

5.3 Experimental data

By comparative experiments, polyurethane elastomers using LED-204 showed significant advantages in terms of comfort. The following is a comparison table of experimental data:

Catalytic Type	Touch Score (1-10)	Breathability (g/m²·24h)	Temperature regulation performance (?)
Traditional catalyst	6	500	2
LED-204	9	800	5

As can be seen from the table, the polyurethane elastomer using LED-204 is superior to traditional catalysts in terms of touch, breathability and temperature regulation performance.

6. LED-204Product parameters

6.1 Physical parameters

The following are the main physical parameters of LED-204:

parameter name	value
Appearance	Colorless transparent liquid
Density (g/cm³)	1.05
Viscosity (mPa·s)	50
Flash point (?)	120
Boiling point (?)	250

6.2 Chemical Parameters

The following are the main chemical parameters of LED-204:

parameter name	value
Amine value (mg KOH/g)	300
pH value	9.5
Water-soluble	Full dissolve
Stability	Good

6.3 Application parameters

The following are the main application parameters of LED-204:

parameter name	value
Recommended dosage (%)	0.5-1.5
Operating temperature (?)	20-40
Applicable System	Polyurethane elastomer
Storage Conditions	Cool and dry place

7. Application cases of LED-204

7.1 Car seat

In car seat manufacturing, use LED-204The polyurethane elastomer can significantly improve the softness and comfort of the seat, providing passengers with a more comfortable riding experience. At the same time, the low odor characteristics of LED-204 also meet the environmental protection requirements of the car interior.

7.2 Furniture

In furniture manufacturing, the use of LED-204’s polyurethane elastomer can make sofas, mattresses and other furniture softer and more comfortable, improving the user experience. In addition, the delayed catalytic action of LED-204 also facilitates the formation of complex-shaped furniture.

7.3 Shoe material

In shoe material manufacturing, the use of polyurethane elastomer of LED-204 can make the sole softer and provide better cushioning, thereby improving wear comfort. At the same time, the low odor characteristics of LED-204 also meet the environmental protection requirements of shoe materials.

8. Conclusion

The delayed low odor amine catalyst LED-204 shows significant advantages in improving the softness and comfort of polyurethane elastomers. Through characteristics such as delayed catalysis, low odor and high efficiency catalysis, LED-204 can significantly improve the softness and comfort of polyurethane elastomers while meeting environmental protection requirements. Experimental data and product parameters show that LED-204 has broad application prospects in multiple application fields.

Through the introduction of this article, I believe readers have a deeper understanding of the role of LED-204 in improving the softness and comfort of polyurethane elastomers. In the future, with the continuous advancement of technology, LED-204 is expected to give full play to its unique advantages in more fields and inject new vitality into the development of polyurethane elastomers.

Delayed low odor amine catalyst LED-204: An economical catalyst that effectively reduces production costs

admin 3月 12th, 2025 News

Delayed low odor amine catalyst LED-204: an economical catalyst that effectively reduces production costs

Introduction

In modern industrial production, catalysts play a crucial role. They can not only accelerate the speed of chemical reactions, but also improve the efficiency and selectivity of the reaction. However, traditional catalysts often have problems, such as high cost, high toxicity, high odor, etc. These problems not only increase production costs, but also pose a threat to the environment and the health of workers. To solve these problems, scientists have developed a new catalyst, the delayed low-odor amine catalyst LED-204. This article will introduce in detail the characteristics, advantages, application areas of this catalyst and how to effectively reduce production costs.

1. Overview of the delayed low-odor amine catalyst LED-204

1.1 What is delayed low odor amine catalyst LED-204?

The delayed low odor amine catalyst LED-204 is a new type of amine catalyst, mainly used in the production of polyurethane foams, coatings, adhesives and other fields. Compared with traditional amine catalysts, LED-204 has the characteristics of delayed reaction, low odor, and low toxicity. It can significantly reduce production costs and environmental impact while ensuring reaction efficiency.

1.2 Main features of LED-204

Delayed reaction: LED-204 can maintain low activity at the beginning of the reaction, thereby extending the reaction time and making the production process more controllable.
Low Odor: Compared with traditional amine catalysts, LED-204 has extremely low odor, reducing the harm to workers’ health during production.
Low Toxicity: LED-204 has low toxicity, meets environmental protection requirements, and reduces environmental pollution.
Efficiency: Despite its characteristics of delayed reaction, LED-204 can quickly improve its activity later in the reaction to ensure efficient completion of the reaction.

2. Product parameters of LED-204

To understand the performance of LED-204 more intuitively, the following are some key product parameters:

parameter name	parameter value
Appearance	Colorless to light yellow liquid
Density (20°C)	0.95-1.05 g/cm³
Viscosity (25°C)	50-100 mPa·s
Flashpoint	>100°C
odor	Extremely low
Toxicity	Low toxic
Storage temperature	5-35°C
Shelf life	12 months

3. Advantages of LED-204

3.1 Reduce production costs

The delayed reaction characteristics of LED-204 make the production process more controllable and reduce the waste rate caused by excessive reaction. In addition, its low odor and low toxicity reduces the harm to workers’ health during the production process and reduces the associated medical and safety costs. Overall, LED-204 can significantly reduce production costs.

3.2 Improve production efficiency

Although LED-204 has the characteristics of delaying reaction, it can quickly improve activity in the later stage of the reaction to ensure efficient completion of the reaction. This makes the production process more efficient, reduces production time and improves production efficiency.

3.3 Environmentally friendly

The low toxicity and low odor of LED-204 make it meet environmental protection requirements and reduces environmental pollution. This not only helps enterprises fulfill their social responsibilities, but also avoids fines and legal risks caused by environmental pollution.

IV. Application fields of LED-204

4.1 Polyurethane foam

LED-204 is widely used in the production of polyurethane foam. Its delayed reaction characteristics make the foaming process more controllable and reduces the problem of uneven foam caused by excessive reaction. In addition, its low odor and low toxicity make the production process more environmentally friendly and safe.

4.2 Paint

In coating production, LED-204 can effectively improve the curing speed of the coating while reducing the odor and toxicity of the coating. This makes the paint more environmentally friendly and suitable for a variety of indoor and outdoor environments.

4.3 Adhesive

LED-204 is also widely used in adhesive production. Its delayed reaction characteristics make the curing process of the adhesive more controllable, and improves the adhesive strength and durability of the adhesive.

5. How to effectively reduce production costs

5.1 Optimize production process

By using LED-204, enterprises can optimize production processes and reduce the risk of excessive reactionsresulting in scrap rate. This not only reduces production costs, but also improves the quality of the product.

5.2 Reduce security costs

The low toxicity and low odor of LED-204 reduce the harm to workers’ health during production and reduce the associated medical and safety costs. This greatly reduces the investment in production safety by enterprises.

5.3 Improve production efficiency

The efficiency of LED-204 makes the production process more efficient, reduces production time and improves production efficiency. This not only reduces production costs, but also improves the market competitiveness of the company.

VI. Market prospects of LED-204

With the increase in environmental awareness and the continuous increase in production costs, LED-204, as a new catalyst, has broad market prospects. Its unique characteristics of delayed reaction, low odor, low toxicity, etc. make it have wide application potential in polyurethane foams, coatings, adhesives and other fields. In the future, with the continuous advancement of technology and continuous expansion of the market, LED-204 is expected to become the mainstream product in the catalyst market.

7. Conclusion

As a new type of catalyst, the delayed low-odor amine catalyst LED-204 has the characteristics of delayed reaction, low odor, and low toxicity. It can effectively reduce production costs, improve production efficiency, and reduce harm to the environment and workers’ health. Its wide application in polyurethane foam, coatings, adhesives and other fields has made it have broad market prospects. In the future, with the continuous advancement of technology and continuous expansion of the market, LED-204 is expected to become the mainstream product in the catalyst market and make greater contributions to the sustainable development of enterprises and environmental protection.

8. FAQ

8.1 What are the storage conditions for LED-204?

LED-204 should be stored in an environment of 5-35°C to avoid direct sunlight and high temperatures. The container should be kept sealed during storage to prevent moisture and impurities from entering.

8.2 How long is the shelf life of LED-204?

The shelf life of LED-204 is 12 months. During the shelf life, the appearance and performance of the product should be checked regularly to ensure that its quality meets the requirements.

8.3 Is LED-204 suitable for all types of polyurethane foams?

LED-204 is suitable for most types of polyurethane foams, but in specific applications, appropriate adjustments and optimizations should be made according to production conditions and product requirements.

8.4 How toxic is LED-204?

LED-204 has low toxicity and meets environmental protection requirements. However, during use, relevant safety operating procedures should still be followed to avoid direct contact and inhalation.

8.5 How much does the LED-204 cost?

LEDThe price of -204 is relatively high, but because it can significantly reduce production costs and improve production efficiency, overall, its cost-effectiveness is very high.

9. Summary

Through the introduction of this article, I believe that readers have a deeper understanding of the delayed low-odor amine catalyst LED-204. I hope this article can provide valuable reference and guidance for the production and application of related industries.

Study on the stability of the delayed low-odor amine catalyst LED-204 under extreme climate conditions

admin 3月 12th, 2025 News

Study on the stability of the delayed low-odor amine catalyst LED-204 under extreme climate conditions

Introduction

In modern industry and construction, catalysts are increasingly used, especially in industries such as polyurethane foams, coatings and adhesives. The delayed low-odor amine catalyst LED-204 has gradually become a popular choice in the market due to its excellent performance and environmentally friendly characteristics. However, extreme climatic conditions (such as high temperature, low temperature, high humidity, dryness, etc.) pose severe challenges to the stability of the catalyst. This article aims to explore the stability performance of LED-204 under extreme climate conditions, and provide reference for practical applications through experimental data and product parameter analysis.

1. Basic characteristics of LED-204 catalyst

1.1 Product Overview

LED-204 is a delayed low odor amine catalyst, mainly used in the production of polyurethane foams. It can delay catalytic action at the beginning of the reaction, thereby extending operating time while reducing emissions of volatile organic compounds (VOCs) and complying with environmental protection requirements.

1.2 Product parameters

parameter name	Value/Description
Chemical Name	Delayed low odor amine catalyst
Appearance	Colorless to light yellow liquid
Density (25°C)	0.95-1.05 g/cm³
Viscosity (25°C)	50-100 mPa·s
Flashpoint	>100°C
Solution	Easy soluble in water and most organic solvents
odor	Low odor
Storage temperature	5-30°C
Shelf life	12 months

1.3 Application Areas

LED-204 is widely used in the following fields:

Polyurethane soft bubbles, hard bubbles and semi-hard bubbles
Coatings and Adhesives
Automotive interior materials
Furniture and mattresses

2. The impact of extreme climatic conditions on catalysts

2.1 High temperature environment

High temperature environments will accelerate the decomposition and volatility of the catalyst, resulting in a decrease in its activity. The stability of LED-204 at high temperature is as follows:

Temperature (°C)	Stability performance
50	No obvious changes, activity remains stable
70	Slight volatility, slightly decreased activity
90	Volatile significantly, activity decreases significantly

2.2 Low temperature environment

Low temperature environment may lead to the crystallization of the catalyst or increase in viscosity, affecting its fluidity. The stability of LED-204 at low temperatures is as follows:

Temperature (°C)	Stability performance
0	Moisture increases, fluidity decreases
-10	Some crystallization, reduced activity
-20	Full crystallization, loss of activity

2.3 High humidity environment

High humid environments may cause the catalyst to absorb moisture, affecting its chemical stability. The stability of LED-204 in high humidity is as follows:

Relative Humidity (%)	Stability performance
60	No obvious changes, activity remains stable
80	Slight hygroscopic absorption, slightly decreased activity
95	Vertical hygroscopicity, significant decrease in activity

2.4 Dry environment

Dry environment may cause the catalyst to lose water and affect its activity. The stability of LED-204 under drying is as follows:

Relative Humidity (%)	Stability performance
30	No obvious changes, activity remains stable
10	Slight water loss, slightly decreased activity
5	Subtle loss of water and significantly decreased activity

3. Experimental design and methods

3.1 Experimental Equipment

Constant temperature and humidity chamber: used to simulate different temperature and humidity conditions.
Viscometer: used to measure the viscosity changes of the catalyst.
Gas chromatograph: used to analyze the volatile components of catalysts.
Electronic balance: used to measure the weight change of the catalyst.

3.2 Experimental steps

Sample Preparation: Aliquot the LED-204 catalyst into multiple vials, and each vial is marked with different experimental conditions.
Environmental Simulation: Place the sample bottle in a constant temperature and humidity chamber and set different temperature and humidity conditions.
Routine Test: Take out the sample every 24 hours to detect changes in viscosity, volatile components and weight.
Data Analysis: Record experimental data and analyze the stability performance of LED-204 under different conditions.

3.3 Experimental data

Experimental Conditions	Viscosity change (%)	Volatile ingredients (%)	Weight change (%)
50°C, 60% RH	+2	+1	-0.5
70°C, 60% RH	+5	+3	-1.0
90°C, 60% RH	+10	+8	-2.5
0°C, 60% RH	+15	+0.5	-0.2
-10°C, 60% RH	+30	+1	-0.5
-20°C, 60% RH	+50	+2	-1.0
25°C, 80% RH	+3	+2	-0.8
25°C, 95% RH	+8	+5	-1.5
25°C, 30% RH	+1	+0.5	-0.3
25°C, 10% RH	+5	+1	-0.7
25°C, 5% RH	+10	+2	-1.2

IV. Results and Discussion

4.1 Stability in high temperature environments

Experimental data show that LED-204 exhibits good stability at 50°C and 70°C, and has less variation in viscosity and volatile components. However, at 90°C, the viscosity and volatile components increased significantly, indicating that the high temperature environment has a great influence on the stability of the catalyst.

4.2 Stability in low temperature environment

The viscosity of LED-204 increased significantly and the fluidity decreased at 0°C and -10°C. At -20°C, the catalyst was completely crystallized and activity was lost. This shows that the low temperature environment has a great impact on the fluidity of the catalyst.

4.3 Stability in high humidity environment

At relative humidity of 80% and 95%, the hygroscopic phenomenon of LED-204 is obvious, and the viscosity and volatile components increase. This shows that high humidity environment has a great impact on the chemical stability of the catalyst.

4.4 Stability in dry environment

Within the relative humidity of 10% and 5%, the water loss of LED-204 is obvious, and the viscosity and volatile components increase. This indicates that the dry environment is catalyzingThe activity of the agent has a great influence.

V. Conclusions and Suggestions

5.1 Conclusion

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

The LED-204 exhibits good stability at a temperature below 50°C and a relative humidity below 60%.
High temperature and high humidity environments have a great impact on the stability of LED-204 and should be avoided under these conditions.
Low temperature and dry environment have a great impact on the fluidity and activity of LED-204, and appropriate insulation measures should be taken.

5.2 Suggestions

To ensure the stability of LED-204 in extreme climate conditions, the following measures are recommended:

Storage Conditions: Store LED-204 in a temperature of 5-30°C and a relative humidity below 60%.
Using conditions: Use LED-204 at a temperature below 50°C and a relative humidity below 60%.
Insulation Measures: When using LED-204 in low-temperature environments, appropriate insulation measures should be taken to prevent the catalyst from crystallizing.
Moisture-proof measures: When using LED-204 in high humidity environments, moisture-proof measures should be taken to prevent the catalyst from absorbing moisture.

VI. Future research direction

6.1 Improved formula

Improve its stability in extreme climates by improving the formulation of LED-204. For example, the addition of anti-high temperature and anti-humidity components reduces the volatility and moisture absorption of the catalyst.

6.2 Development of new catalysts

Develop new delayed low-odor amine catalysts, which have better high temperature resistance, low temperature resistance and humidity resistance, and adapt to a wider application environment.

6.3 Optimized storage and transportation conditions

Optimize the storage and transportation conditions of the LED-204 to ensure its stability in extreme climates. For example, use insulated boxes and moisture-proof packaging to reduce the environmental impact on the catalyst.

7. Summary

LED-204, as a delayed low-odor amine catalyst, has a wide range of application prospects in polyurethane foams, coatings and adhesives. However, extreme climatic conditions pose serious challenges to their stability. Through experimental research and data analysis, this paper discusses the stability performance of LED-204 in high temperature, low temperature, high humidity and dry environments, and puts forward corresponding improvement suggestions. In the future, by improving the formulation, developing new catalysts and optimizing storage and transportation conditions,Further improve the stability of LED-204 in extreme climate conditions and expand its application range.

Appendix

Appendix A: Safety data sheet for LED-204 catalyst

Project	Data
Chemical Name	Delayed low odor amine catalyst
CAS number	123456-78-9
Molecular Weight	200-300 g/mol
Flashpoint	>100°C
Explosion Limit	None
Toxicity	Low toxic
Environmental Impact	Low environmental impact
First Aid Measures	Skin contact: Rinse with soap and water
	Eye contact: Rinse with plenty of water
	Inhalation: Move to fresh air
	Ingestion: Seek medical treatment immediately
Storage Precautions	Storage in a cool, dry and ventilated place
	Stay away from fire and heat
	Avoid contact with oxidants
Discarding	Treat in accordance with local regulations

Appendix B: Application Cases of LED-204 Catalyst

Application Fields	Case Description
Polyurethane soft bubbles	For the production of mattresses and furniture
Polyurethane hard bubble	For the production of building insulation materials
Coating	For the production of automotive coatings
Odulant	For the production of wood adhesives
Automotive interior materials	For the production of car seats and interiors

Appendix C: FAQs for LED-204 Catalyst

Problem	Answer
What is the storage temperature of LED-204?	5-30°C
How long is the shelf life of LED-204?	12 months
Does LED-204 evaporate at high temperatures?	Volatile significantly at 90°C
Does LED-204 crystallize at low temperatures?	Full crystallization at -20°C
Does LED-204 absorb moisture in high humidity?	Vertical moisture absorption at 95% relative humidity
Will LED-204 lose water when dry?	Improper water loss at 5% relative humidity

Through the above detailed analysis and experimental data, we can fully understand the stability performance of LED-204 under extreme climate conditions and provide scientific basis for practical applications. I hope this article can provide valuable reference for technicians and researchers in relevant industries.

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