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N,N,N’,N”,N”-Penmethyldipropylene triamine: a multifunctional catalyst suitable for a variety of polyurethane formulations

3月 12th, 2025 News

N,N,N’,N”,N”-Penmethyldipropylene triamine: a multifunctional catalyst suitable for a variety of polyurethane formulations

Catalog

  1. Introduction
  2. Product Overview
  3. Chemical structure and properties
  4. Product Parameters
  5. Application Fields
  6. How to use and precautions
  7. Safety and Environmental Protection
  8. Conclusion

1. Introduction

Polyurethane (PU) is a polymer material widely used in the fields of construction, automobile, furniture, shoe materials, packaging, etc. Its excellent physical properties and chemical stability make it one of the indispensable materials in modern industry. However, the choice of catalyst is crucial in the production process of polyurethane, which not only affects the reaction rate, but also directly affects the performance of the final product. N,N,N’,N”,N”-pentamethyldipropylene triamine (hereinafter referred to as “pentamethyldipropylene triamine”) is a multifunctional catalyst. Due to its high efficiency, stability, environmental protection and other characteristics, it has gradually become one of the preferred catalysts in polyurethane production.

This article will introduce in detail the chemical structure, product parameters, application fields, usage methods, safety and environmental protection of pentamethyldipropylene triamine, aiming to provide readers with a comprehensive and in-depth understanding.

2. Product Overview

Penmethyldipropylene triamine is an organic amine compound with multiple methyl substituents and contains three nitrogen atoms in its molecular structure. This structure gives it excellent catalytic properties, especially in polyurethane reaction, which can effectively promote the reaction between isocyanate and polyol, shorten the reaction time and improve production efficiency.

2.1 Product Name

  • Chinese name: N,N,N’,N”,N”-pentamethyldipropylene triamine
  • English name: N,N,N’,N”,N”-Pentamethyldipropylenenetriamine

2.2 Molecular formula and molecular weight

  • Molecular formula: C11H25N3
  • Molecular weight: 199.34 g/mol

2.3 CAS number

  • CAS number: 3855-32-1

3. Chemical structure and properties

The chemical structure of pentamethyldipropylene triamine is as follows:

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

Structurally, pentamethyldipropylene triamine contains three nitrogen atoms, and each nitrogen atom is connected with a methyl group. This structure makes it highly alkaline and good solubility, and can be miscible with a variety of organic solvents.

3.1 Physical Properties

  • Appearance: Colorless to light yellow liquid
  • Density: 0.89 g/cm³ (20°C)
  • Boiling point: 220-230°C
  • Flash point: 98°C
  • Solution: easy to soluble in organic solvents such as water, alcohols, ethers

3.2 Chemical Properties

  • Basicity: Pentamethyldipropylene triamine has strong alkalinity and can react with acid to form salts.
  • Catalytic properties: In polyurethane reaction, pentamethyldipropylene triamine can effectively promote the reaction between isocyanate and polyol, shorten the gel time, and improve the reaction efficiency.

4. Product parameters

To understand the properties of pentamethyldipropylene triamine more intuitively, the following table lists its main product parameters:

parameter name Value/Description
Appearance Colorless to light yellow liquid
Density (20°C) 0.89 g/cm³
Boiling point 220-230°C
Flashpoint 98°C
Solution Easy soluble in organic solvents such as water, alcohols, ethers
Molecular Weight 199.34 g/mol
CAS number 3855-32-1
Storage Conditions Cool, dry and ventilated places to avoid direct sunlight
Shelf life 12 months

5. Application areas

Penmethyldipropylene triamine is a multifunctional catalyst and is widely used in a variety of polyurethane formulations. byHere are its main application areas:

5.1 Rigid polyurethane foam

Rough polyurethane foam is widely used in building insulation, refrigeration equipment, pipeline insulation and other fields. Pentamethyldipropylene triamine can effectively promote the reaction between isocyanate and polyol, shorten the foaming time, and improve the closed cell rate and mechanical strength of the foam.

5.2 Soft polyurethane foam

Soft polyurethane foam is mainly used in furniture, mattresses, car seats and other fields. Pentamethyldipropylene triamine can adjust the softness and elasticity of the foam, improve the open-cell structure of the foam, and improve comfort and durability.

5.3 Polyurethane coating

Polyurethane coatings have excellent wear resistance, weather resistance and decorative properties, and are widely used in construction, automobile, furniture and other fields. Pentamethyldipropylene triamine can promote the curing reaction of the coating, shorten the drying time, and improve the adhesion and gloss of the coating.

5.4 Polyurethane Adhesive

Polyurethane adhesives have excellent bonding strength and weather resistance, and are widely used in bonding of wood, metal, plastic and other materials. Pentamethyldipropylene triamine can promote the curing reaction of adhesives, improve bonding strength and water resistance.

5.5 Polyurethane elastomer

Polyurethane elastomers have excellent wear resistance, elasticity and oil resistance, and are widely used in seals, tires, conveyor belts and other fields. Pentamethyldipropylene triamine can promote the cross-linking reaction of elastomers, improve its mechanical properties and aging resistance.

6. Methods and precautions

6.1 How to use

Penmethyldipropylene triamine is usually used in liquid form and can be added directly to polyurethane formulations. The specific usage method is as follows:

  1. Addition amount: According to different polyurethane formulations, the amount of pentamethyldipropylene triamine is generally 0.1%-1.0% (by weight of polyol).
  2. Mixing method: Mix pentamethyldipropylene triamine with polyol to ensure uniform dispersion.
  3. Reaction conditions: Reaction is carried out at room temperature or heating conditions, and the specific temperature and time are adjusted according to the formula requirements.

6.2 Notes

  1. Storage conditions: Pentamethyldipropylene triamine should be stored in a cool, dry and ventilated place to avoid direct sunlight and high temperatures.
  2. Safe Operation: Wear protective gloves, glasses and masks during operation to avoid direct contact with the skin and eyes.
  3. Waste Disposal: Abandoned Five ABasic dipropylene triamine should be treated in accordance with local environmental protection regulations to avoid pollution of the environment.

7. Safety and Environmental Protection

7.1 Security Information

Penmethyldipropylene triamine is an organic amine compound and has certain irritation and corrosiveness. The following is its security information:

  • Skin contact: It may cause skin irritation. You should immediately rinse with a lot of clean water and seek medical treatment if necessary.
  • Eye contact: It may cause eye irritation. You should immediately rinse with a lot of clean water and seek medical treatment if necessary.
  • Inhalation: It may cause respiratory irritation and should be moved to a fresh place in the air quickly and seek medical treatment if necessary.
  • Ingestion: It may cause gastrointestinal irritation. You should rinse your mouth immediately and seek medical treatment if necessary.

7.2 Environmental Protection Information

Pentamethyldipropylene triamine should comply with circulation protection regulations during production and use to reduce environmental pollution. The following is its environmental protection information:

  • Wastewater treatment: Wastewater containing pentamethyldipropylene triamine should be discharged after neutralization to avoid contaminating water bodies.
  • Waste Gas Treatment: The waste gas generated during the production process should be discharged after absorption and treatment to avoid polluting the atmosphere.
  • Solid Waste Treatment: Disposable pentamethyldipropylene triamine should be treated in accordance with hazardous waste to avoid contamination of soil.

8. Conclusion

N,N,N’,N”,N”-pentamethyldipropylene triamine, as a multifunctional catalyst, has wide application prospects in polyurethane production. Its excellent catalytic properties, stable chemical properties and good environmental protection properties make it an ideal choice for polyurethane formulations. Through reasonable use and strict safety and environmental protection measures, pentamethyldipropylene triamine can not only improve the performance of polyurethane products, but also reduce environmental pollution and contribute to sustainable development.

I hope this article can provide readers with a comprehensive and in-depth understanding, helping them select the right catalyst in polyurethane production, and improve production efficiency and product quality.

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Performance of polyurethane foaming catalyst LED-103 in rapid curing system and its impact on final product quality

3月 12th, 2025 News

The performance of polyurethane foaming catalyst LED-103 in rapid curing system and its impact on final product quality

Catalog

  1. Introduction
  2. Overview of the polyurethane foaming catalyst LED-103
  3. The performance of LED-103 in rapid curing systems
  4. The impact of LED-103 on final product quality
  5. Comparison of product parameters and performance
  6. Practical application case analysis
  7. Conclusion

1. Introduction

Polyurethane materials are widely used in construction, automobile, furniture, packaging and other fields due to their excellent physical properties and chemical stability. During the production process of polyurethane foaming materials, the selection of catalysts has a crucial impact on the performance and quality of the product. As a highly efficient polyurethane foaming catalyst, LED-103 performs well in rapid curing systems and can significantly improve production efficiency and product quality. This article will discuss in detail the performance of LED-103 in rapid curing systems and its impact on final product quality.

2. Overview of polyurethane foaming catalyst LED-103

2.1 Basic Features

LED-103 is an organic tin catalyst with high efficiency, stability and environmental protection. Its main component is dibutyltin dilaurate (DBTDL), which is widely used in the preparation process of polyurethane foaming materials.

2.2 Main functions

  • Accelerating reaction: LED-103 can significantly accelerate the reaction between isocyanate and polyol and shorten the curing time.
  • Adjusting foaming: By adjusting the amount of catalyst, the foaming speed and cell structure can be controlled.
  • Improving stability: LED-103 can maintain stable catalytic performance in high temperature and humid environments.

2.3 Product parameters

parameter name parameter value
Appearance Colorless to light yellow liquid
Density (20°C) 1.05 g/cm³
Viscosity (25°C) 50-100 mPa·s
Flashpoint >100°C
Solution Solved in most organic solvents

3. Performance of LED-103 in rapid curing systems

3.1 Definition of rapid curing system

Rapid curing system refers to completing the curing process of polyurethane materials in a short time, and is usually used in occasions where high efficiency production is required. The key to a rapid curing system is to select the right catalyst to ensure a balance between reaction speed and product quality.

3.2 Catalytic mechanism of LED-103

LED-103 forms a polyurethane segment by promoting the reaction of isocyanate and polyol. Its catalytic mechanism mainly includes:

  • Activate isocyanate: LED-103 can effectively activate isocyanate groups, making it easier to react with polyols.
  • Accelerating chain growth: By accelerating chain growth reaction, LED-103 can significantly shorten the curing time.

3.3 Actual performance

In practical applications, LED-103 shows the following advantages in rapid curing systems:

  • Shorten the curing time: After using LED-103, the curing time can be shortened by 30%-50%.
  • Improving Production Efficiency: Due to the shortening of curing time, production efficiency has been significantly improved.
  • Improve the cell structure: LED-103 can form a uniform and fine cell structure to improve the physical performance of the product.

3.4 Performance comparison

Catalytic Type Currecting time (min) Cell structure Production Efficiency
LED-103 5-10 Even and fine High
Traditional catalyst 10-20 Ununiform in

4. Impact of LED-103 on final product quality

4.1 PhysicalCan

  • Density: The polyurethane foam material prepared with LED-103 is uniform in density and meets the design requirements.
  • Hardness: LED-103 can improve the hardness of the material and enhance its compressive resistance.
  • Elasticity: By adjusting the amount of LED-103, the elasticity of the material can be controlled to meet different application needs.

4.2 Chemical Properties

  • Chemical resistance: The polyurethane materials prepared by LED-103 have good chemical resistance and can resist the corrosion of various chemical substances.
  • Weather Resistance: In outdoor environments, the materials prepared by LED-103 show excellent weather resistance and are not prone to aging.

4.3 Environmental performance

  • Low VOC Emissions: LED-103 meets environmental protection requirements and has low VOC emissions during use.
  • Recyclability: The polyurethane materials prepared by LED-103 can be recycled to reduce environmental pollution.

4.4 Quality comparison

Performance metrics LED-103 preparation materials Traditional catalyst preparation materials
Density uniformity High in
Hardness High in
Elasticity Adjustable Fixed
Chemical resistance Excellent Good
Weather resistance Excellent Good
Environmental Performance Excellent General

5. Comparison of product parameters and performance

5.1 Product parameters

ParametersName LED-103 Traditional catalyst
Appearance Colorless to light yellow liquid Light yellow liquid
Density (20°C) 1.05 g/cm³ 1.10 g/cm³
Viscosity (25°C) 50-100 mPa·s 80-120 mPa·s
Flashpoint >100°C >90°C
Solution Solved in most organic solvents Solved in some organic solvents

5.2 Performance comparison

Performance metrics LED-103 Traditional catalyst
Current time 5-10 min 10-20 min
Cell structure Even and fine Ununiform
Production Efficiency High in
Density uniformity High in
Hardness High in
Elasticity Adjustable Fixed
Chemical resistance Excellent Good
Weather resistance Excellent Good
Environmental Performance Excellent General

6. Practical application case analysis

6.1 Building insulation materials

In the production of building insulation materials, the use of LED-103 can significantly shorten the curing time and improve production efficiency. At the same time, the insulation material prepared by LED-103 has a uniform cell structure, which improves the insulation performance.

6.2 Automobile interior materials

In the production of automotive interior materials, LED-103 can improve the hardness and elasticity of the material and enhance its compressive resistance. In addition, the materials prepared by LED-103 have good chemical resistance and weather resistance, which are suitable for the use environment of automotive interiors.

6.3 Furniture filling materials

In the production of furniture filling materials, LED-103 can adjust the elasticity of the material to meet the needs of different furniture. At the same time, the materials prepared by LED-103 have excellent environmental protection performance and meet the environmental protection requirements of modern furniture.

6.4 Packaging Materials

In the production of packaging materials, LED-103 can improve the density uniformity and hardness of the material and enhance its compressive resistance. In addition, the materials prepared by LED-103 have good chemical resistance and are suitable for the use environment of packaging materials.

7. Conclusion

Polyurethane foaming catalyst LED-103 performs well in rapid curing systems, which can significantly shorten the curing time and improve production efficiency. At the same time, LED-103 has a positive impact on the quality of the final product and can improve the physical, chemical and environmental performance of the material. Through practical application case analysis, it can be seen that LED-103 has broad application prospects in the fields of building insulation materials, automotive interior materials, furniture filling materials and packaging materials. In the future, with the increasing demand for polyurethane materials, LED-103 will play an important role in more fields.

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Polyurethane foaming catalyst LED-103: An ideal water-based polyurethane catalyst option to facilitate green production

3月 12th, 2025 News

Polyurethane foaming catalyst LED-103: an ideal water-based polyurethane catalyst option to facilitate green production

Introduction

With the increasing emphasis on environmental protection and sustainable development around the world, green chemistry and green production have become an important development direction of the chemical industry. Polyurethane materials have been widely used in the fields of construction, automobile, furniture, shoe materials, etc. due to their excellent performance. However, the catalysts used in traditional polyurethane production often contain harmful substances, which have certain negative impacts on the environment. Therefore, developing an environmentally friendly and efficient water-based polyurethane catalyst has become an important topic in the industry.

Polyurethane foaming catalyst LED-103, as a new type of aqueous polyurethane catalyst, not only has excellent catalytic properties, but also meets the requirements of green production. This article will introduce the product characteristics, application areas, technical parameters and their advantages in green production in detail, helping readers to fully understand this ideal water-based polyurethane catalyst option.

1. Overview of the polyurethane foaming catalyst LED-103

1.1 Product Introduction

Polyurethane foaming catalyst LED-103 is a highly efficient catalyst designed specifically for aqueous polyurethane systems. It can quickly induce polyurethane reaction at lower temperatures, significantly improving production efficiency. At the same time, LED-103 does not contain heavy metals and other harmful substances, meets environmental protection requirements, and is suitable for various green production scenarios.

1.2 Product Features

  • High-efficiency Catalysis: LED-103 can quickly induce polyurethane reaction at lower temperatures, significantly shortening reaction time and improving production efficiency.
  • Environmental Safety: It does not contain heavy metals and other harmful substances, meets environmental protection requirements, and is suitable for green production.
  • Good stability: It shows good stability during storage and use, and is not easy to decompose or fail.
  • Wide scope of application: Suitable for various aqueous polyurethane systems, including soft bubbles, hard bubbles, semi-hard bubbles, etc.

2. Technical parameters of LED-103

To understand the performance of LED-103 more intuitively, the following table lists its main technical parameters:

parameter name parameter value
Appearance Colorless to light yellow transparent liquid
Density (g/cm³) 1.05-1.10
Viscosity (mPa·s) 50-100
Flash point (°C) >100
Solution Easy soluble in water and common organic solvents
Storage temperature (°C) 5-35
Shelf life (month) 12

III. Application fields of LED-103

3.1 Construction Industry

In the construction industry, polyurethane materials are widely used in insulation materials, waterproof coatings, sealants, etc. As an aqueous polyurethane catalyst, LED-103 can quickly trigger reactions at low temperatures and improve production efficiency. At the same time, its environmentally friendly characteristics meet the green construction requirements of the construction industry.

3.2 Automotive Industry

Polyurethane materials are often used in automotive interiors, seats, instrument panels and other components. The efficient catalytic performance of LED-103 can shorten production cycles and improve product quality, while its environmentally friendly characteristics comply with environmental standards in the automotive industry.

3.3 Furniture Industry

Polyurethane foam materials are often used in sofas, mattresses and other products in the furniture industry. LED-103 can quickly trigger reactions at lower temperatures and improve production efficiency. At the same time, its environmentally friendly characteristics meet the environmental protection requirements of the furniture industry.

3.4 Shoe Materials Industry

Polyurethane materials are often used in the shoe material industry for soles, insoles and other components. The efficient catalytic performance of LED-103 can shorten the production cycle and improve product quality, while its environmentally friendly characteristics meet the environmental standards of the shoe material industry.

IV. Advantages of LED-103 in green production

4.1 Environmental performance

LED-103 does not contain heavy metals and other harmful substances, meets environmental protection requirements, and is suitable for various green production scenarios. It will not produce harmful gases during its use and will not be harmful to the operators and the environment.

4.2 High-efficiency catalysis

LED-103 can quickly induce polyurethane reaction at lower temperatures, significantly shortening reaction time and improving production efficiency. Its efficient catalytic performance can reduce energy consumption and reduce carbon emissions during production.

4.3 Good stability

LED-103 shows good stability during storage and use, and is not easy to decompose or fail. Its stability can ensure the continuity of the production process and the stability of product quality.

4.4 Wide scope of application

LED-103 is suitable for various aqueous polyurethane systems, including soft bubbles, hard bubbles, semi-hard bubbles, etc. Its wide applicability can meet the production needs of different industries.

V. How to use LED-103

5.1 Addition amount

The amount of LED-103 added is usually 0.1% to 0.5% of the total weight of the polyurethane system. The specific amount of addition can be adjusted according to actual production needs.

5.2 How to use

  1. Premix: Premix LED-103 with other components in the polyurethane system to ensure uniform dispersion.
  2. Reaction: Inject the premixed material into the mold or spray it onto the substrate for reaction.
  3. Currect: Curing under appropriate temperature and humidity conditions to ensure product performance.

5.3 Notes

  • Storage: LED-103 should be stored in a cool, dry and well-ventilated place to avoid direct sunlight and high temperatures.
  • Usage: Wear appropriate protective equipment when using it to avoid direct contact with the skin and eyes.
  • Abandoned: The abandoned LED-103 should be treated in accordance with local environmental regulations to avoid pollution to the environment.

VI. Market prospects of LED-103

With the increasing emphasis on environmental protection and sustainable development around the world, green chemistry and green production have become an important development direction of the chemical industry. LED-103, as an environmentally friendly and efficient water-based polyurethane catalyst, has broad market prospects.

6.1 Market demand

With the rapid development of construction, automobile, furniture, shoe materials and other industries, the demand for polyurethane materials is increasing. At the same time, the increasingly strict environmental protection regulations have promoted the research and development and application of environmentally friendly polyurethane catalysts. As an environmentally friendly and efficient water-based polyurethane catalyst, LED-103 can meet market demand and has broad market prospects.

6.2 Technical Advantages

LED-103 has technical advantages such as efficient catalysis, environmental protection and safety, good stability and wide application scope, and can meet the production needs of different industries. Its technological advantages can improve production efficiency, reduce production costs, and enhance market competitiveness.

6.3 Policy Support

The attention of governments to environmental protection and sustainable development has promoted environmentally friendly chemicalsProduct research and development and application. As an environmentally friendly and efficient water-based polyurethane catalyst, LED-103 is in line with policy orientation, can obtain policy support, and has broad market prospects.

7. Conclusion

Polyurethane foaming catalyst LED-103 is an ideal water-based polyurethane catalyst option. It has the advantages of high efficiency catalysis, environmental protection and safety, good stability and wide application range, and can meet the production needs of different industries. Its application in green production can not only improve production efficiency and reduce production costs, but also reduce environmental pollution and meet the requirements of sustainable development. With the increasing attention of global environmental protection and sustainable development, LED-103 has broad market prospects and will become an important development direction for the polyurethane industry.

Through the introduction of this article, I believe that readers have a comprehensive understanding of the polyurethane foaming catalyst LED-103. I hope this article can provide readers with valuable reference when choosing water-based polyurethane catalysts, help green production and promote sustainable development.

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