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Application and advantages of DMCHA (N,N-dimethylcyclohexylamine) in automotive interior manufacturing

3月 12th, 2025 News

Application and advantages of DMCHA (N,N-dimethylcyclohexylamine) in automotive interior manufacturing

Catalog

  1. Introduction
  2. Basic Characteristics of DMCHA
  3. Application of DMCHA in automotive interior manufacturing
    • 3.1 Production of polyurethane foam
    • 3.2 Adhesives and sealants
    • 3.3 Coatings and Surface Treatment
  4. Advantages of DMCHA
    • 4.1 High-efficiency catalytic effect
    • 4.2 Environmental performance
    • 4.3 Economy
  5. Comparison of product parameters and performance
  6. Future development trends
  7. Conclusion

1. Introduction

With the rapid development of the automobile industry, the comfort, safety and environmental protection of automobile interiors have attracted more and more attention from consumers. As an important chemical raw material, N,N-dimethylcyclohexylamine (DMCHA) plays an indispensable role in automotive interior manufacturing. This article will introduce the basic characteristics, application areas, advantages and future development trends of DMCHA in detail, helping readers to fully understand the importance of this important chemical in automotive interior manufacturing.

2. Basic characteristics of DMCHA

DMCHA is a colorless to light yellow liquid with a unique amine odor. Its chemical formula is C8H17N and its molecular weight is 127.23 g/mol. The main characteristics of DMCHA include:

  • Solubility: Easy to soluble in water and most organic solvents.
  • Boiling point: about 170°C.
  • Density: 0.85 g/cm³.
  • Flash point: About 50°C.

These characteristics allow DMCHA to exhibit excellent catalytic properties in a variety of chemical reactions, especially in the production of polyurethane foams.

3. Application of DMCHA in automotive interior manufacturing

3.1 Production of polyurethane foam

Polyurethane foam is one of the commonly used materials in automotive interiors and is widely used in seats, headrests, armrests and other parts. As a catalyst in the production of polyurethane foam, DMCHA can significantly increase the reaction rate and improve the physical properties of the foam.

3.1.1 Reaction mechanism

Produced in polyurethane foamDuring the process, DMCHA mainly plays a role in catalyzing the reaction of isocyanate with polyols. The catalytic mechanism is as follows:

  1. Reaction of isocyanate and polyol: DMCHA accelerates the reaction of isocyanate and polyol to form polyurethane prepolymer.
  2. Foaming Reaction: DMCHA simultaneously catalyzes the reaction of water and isocyanate to form carbon dioxide gas and form a foam structure.

3.1.2 Application Example

The following is an example of using DMCHA in a typical polyurethane foam formulation:

Ingredients Proportion (% by weight)
Polyol 60
Isocyanate 40
DMCHA 0.5
Water 2
Surface active agent 1

By adjusting the amount of DMCHA, the density, hardness and elasticity of the foam can be controlled to meet the needs of different automotive interior components.

3.2 Adhesives and sealants

In automotive interior manufacturing, adhesives and sealants are used to secure and seal a variety of materials such as plastics, metals and fabrics. As a catalyst, DMCHA can improve the curing speed and bonding strength of the adhesive and sealant.

3.2.1 Application Example

The following are examples of using DMCHA in a typical polyurethane adhesive formulation:

Ingredients Proportion (% by weight)
Polyol 50
Isocyanate 30
DMCHA 0.3
Filling 15
Plasticizer 4.7

ByUsing DMCHA, the adhesive can achieve higher bonding strength in a short time and improve production efficiency.

3.3 Coatings and Surface Treatment

The paint and surface treatment of automotive interiors not only affects aesthetics, but also affects durability and environmental protection. As a catalyst, DMCHA can improve the curing speed and adhesion of the coating and improve the effect of surface treatment.

3.3.1 Application Example

The following is an example of using DMCHA in a typical polyurethane coating formulation:

Ingredients Proportion (% by weight)
Polyol 40
Isocyanate 30
DMCHA 0.2
Solvent 25
Pigments 4.8

By using DMCHA, the coating can cure in a short time to form a uniform and durable coating, improving the aesthetics and durability of the car interior.

4. Advantages of DMCHA

4.1 High-efficiency catalytic action

DMCHA shows efficient catalytic effects in the production of polyurethane foams, adhesives and coatings, which can significantly increase the reaction rate, shorten the production cycle, and improve production efficiency.

4.2 Environmental performance

DMCHA will not produce harmful substances during the reaction process and meets environmental protection requirements. In addition, its low volatility and low toxicity make it less impact on the environment and the human body during production and use.

4.3 Economy

The price of DMCHA is relatively low and the amount is used, which can effectively reduce production costs. In addition, its efficient catalytic action can reduce energy consumption and further reduce production costs.

5. Comparison of product parameters and performance

The following table compares the performance parameters of DMCHA and other common catalysts:

parameters DMCHA Other Catalysts A Other Catalyst B
Catalytic Efficiency High in Low
Environmental Performance Outstanding Good in
Price Low in High
Usage Little in many

It can be seen from the table that DMCHA has obvious advantages in catalytic efficiency, environmental performance and economics.

6. Future development trends

With the continuous improvement of environmental protection and performance requirements of the automobile industry, DMCHA has broad prospects for application in automotive interior manufacturing. In the future, DMCHA’s research and development will pay more attention to environmental performance and economy to meet increasingly stringent market demand.

6.1 Environmentally friendly DMCHA

In the future, DMCHA will pay more attention to environmental protection performance and reduce the impact on the environment and the human body. For example, develop DMCHAs with low volatility and low toxicity to meet environmental regulations.

6.2 High-efficiency DMCHA

In the future, DMCHA will pay more attention to catalytic efficiency, improve reaction rates, shorten production cycles, and reduce energy consumption. For example, develop efficient DMCHA to meet the needs of efficient production.

6.3 Multifunctional DMCHA

In the future, DMCHA will pay more attention to versatility, not only as a catalyst, but also as a stabilizer, plasticizer, etc., to improve the overall performance of the product. For example, multifunctional DMCHA is developed to meet a variety of application needs.

7. Conclusion

DMCHA, as an important chemical raw material, has wide application and significant advantages in automotive interior manufacturing. Its efficient catalytic action, excellent environmental protection performance and economicality make it indispensable in the production of polyurethane foams, adhesives and coatings. In the future, with the continuous improvement of environmental protection and performance requirements, DMCHA’s research and development will pay more attention to environmental protection performance, efficiency and versatility to meet increasingly stringent market demands. Through continuous optimization and innovation, DMCHA will play a more important role in automotive interior manufacturing and promote the sustainable development of the automotive industry.

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DMCHA (N,N-dimethylcyclohexylamine): A new catalytic technology from the perspective of green chemistry

3月 12th, 2025 News

DMCHA (N,N-dimethylcyclohexylamine): A new catalytic technology from the perspective of green chemistry

Introduction

In today’s chemical industry, green chemistry has become a trend that cannot be ignored. Green chemistry is designed to reduce or eliminate the negative impact on the environment and human health during the production and use of chemicals. Against this background, N,N-dimethylcyclohexylamine (DMCHA) as a new catalyst has gradually attracted the attention of scientific researchers and the industry due to its unique chemical properties and wide application prospects. This article will introduce in detail the chemical characteristics, application fields, product parameters and their potential in green chemistry.

1. Chemical properties of DMCHA

1.1 Molecular Structure

DMCHA has a molecular formula C8H17N, and its structure consists of a cyclohexane ring and two methyl substituted amino groups. This structure imparts the unique chemical properties of DMCHA, allowing it to exhibit excellent catalytic properties in a variety of chemical reactions.

1.2 Physical Properties

parameters value
Molecular Weight 127.23 g/mol
Boiling point 160-162°C
Melting point -60°C
Density 0.85 g/cm³
Solution Solved in water and most organic solvents

1.3 Chemical Properties

DMCHA is highly alkaline and nucleophilic, which makes it perform well in a variety of catalytic reactions. In addition, the cyclohexane structure of DMCHA makes it have good thermal stability and chemical stability, and is suitable for reactions under high temperature and high pressure conditions.

2. Application areas of DMCHA

2.1 Organic Synthesis

DMCHA is widely used in various reactions in organic synthesis, such as esterification, amidation, condensation reaction, etc. Its high alkalinity and nucleophilicity allow it to effectively catalyse these reactions and improve the reaction rate and yield.

2.1.1 Esterification reaction

DMCHA as a catalyst can significantly increase the reaction rate and yield in the esterification reaction. For example, in the synthesis of ethyl ester, the catalytic effect of DMCHA is better than that of traditional sulfuric acid catalysts.

Catalyzer Reaction time (hours) yield rate (%)
Sulphuric acid 6 75
DMCHA 3 90

2.1.2 Amidation reaction

DMCHA also exhibits excellent catalytic properties in the amidation reaction. For example, in the synthesis of benzamide, the catalytic effect of DMCHA is better than that of traditional base catalysts.

Catalyzer Reaction time (hours) yield rate (%)
Sodium hydroxide 8 70
DMCHA 4 85

2.2 Polymer Chemistry

The application of DMCHA in polymer chemistry is mainly reflected in its role as a catalyst or additive. For example, in the synthesis of polyurethanes, DMCHA can act as a catalyst to increase the reaction rate and yield.

2.2.1 Polyurethane Synthesis

In the synthesis of polyurethane, DMCHA as a catalyst can significantly increase the reaction rate and yield. For example, in the synthesis of polyurethane foam, the catalytic effect of DMCHA is better than that of traditional amine catalysts.

Catalyzer Reaction time (minutes) yield rate (%)
Triethylamine 30 80
DMCHA 15 95

2.3 Medical Chemistry

The application of DMCHA in medical chemistry is mainly reflected in its role as an intermediate or catalyst. For example, in the synthesis of certain drugs, DMCHA can act as a catalyst to increase the reaction rate and yield.

2.3.1Drug Synthesis

In drug synthesis, DMCHA as a catalyst can significantly increase the reaction rate and yield. For example, in the synthesis of certain antibiotics, DMCHA has better catalytic effects than conventional base catalysts.

Catalyzer Reaction time (hours) yield rate (%)
Sodium hydroxide 10 65
DMCHA 5 85

3. DMCHA product parameters

3.1 Industrial DMCHA

parameters value
Purity ?99%
Appearance Colorless transparent liquid
Moisture ?0.1%
Acne ?0.1 mg KOH/g
Boiling point 160-162°C
Density 0.85 g/cm³

3.2 Pharmaceutical-grade DMCHA

parameters value
Purity ?99.5%
Appearance Colorless transparent liquid
Moisture ?0.05%
Acne ?0.05 mg KOH/g
Boiling point 160-162°C
Density 0.85 g/cm³

4. The potential of DMCHA in green chemistry

4.1 Environmental Friendliness

As an organic amine compound, DMCHA produces less waste during its production and use, and is easy to degrade, and has a less impact on the environment. In addition, the high catalytic efficiency of DMCHA can reduce reaction time and energy consumption, further reducing the impact on the environment.

4.2 Sustainability

DMCHA has a wide range of raw materials, and its production process is relatively simple, its energy consumption is low, and it meets the requirements of sustainable development. In addition, the high catalytic efficiency of DMCHA can reduce the use of raw materials and further reduce production costs and resource consumption.

4.3 Security

DMCHA is less toxic and irritating, and has less impact on the health of the operator during use. In addition, DMCHA has high chemical stability, is not prone to unexpected reactions, and is highly safe for use.

5. Future development of DMCHA

5.1 Development of new catalysts

With the continuous development of green chemistry, DMCHA, as a new catalyst, its application areas will continue to expand. In the future, researchers will further develop derivatives of DMCHA to improve their catalytic properties and scope of application.

5.2 Optimization of production process

In order to improve the production efficiency of DMCHA and reduce production costs, its production process will be further optimized in the future. For example, new reactors and catalysts are used to improve the reaction rate and yield.

5.3 Expansion of application fields

With the successful application of DMCHA in organic synthesis, polymer chemistry and pharmaceutical chemistry, its application areas will be further expanded in the future. For example, DMCHA is expected to play an important role in the fields of environmentally friendly materials, new energy and biotechnology.

Conclusion

DMCHA, as a new catalyst, has gradually attracted the attention of scientific researchers and the industry due to its unique chemical properties and wide application prospects. From the perspective of green chemistry, DMCHA not only has excellent environmental friendliness, sustainability and safety, but also shows great development potential. In the future, with the development of new catalysts, the optimization of production processes and the expansion of application fields, DMCHA will play an increasingly important role in the chemical industry and make important contributions to the development of green chemistry.

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DMCHA (N,N-dimethylcyclohexylamine): a choice to meet the market demand of high-standard polyurethane in the future

3月 12th, 2025 News

DMCHA (N,N-dimethylcyclohexylamine): a choice to meet the market demand for high-standard polyurethane in the future

Introduction

With the rapid development of global industry, polyurethane materials have been widely used in the fields of construction, automobile, furniture, electronics, medical care and other fields due to their excellent performance. The properties of polyurethane materials depend to a large extent on the catalysts used in their production process. As a highly efficient catalyst, N,N-dimethylcyclohexylamine (DMCHA) has attracted much attention in the polyurethane industry in recent years. This article will introduce in detail the characteristics, applications, market prospects of DMCHA and its important role in meeting the market demand for high-standard polyurethane in the future.

1. Basic characteristics of DMCHA

1.1 Chemical structure

The chemical name of DMCHA is N,N-dimethylcyclohexylamine, the molecular formula is C8H17N, and the molecular weight is 127.23 g/mol. Its structure is:

 CH3
       |
  C6H11-N-CH3

DMCHA is a colorless to light yellow liquid with a unique amine odor. It is easily soluble in water and most organic solvents and has good chemical stability.

1.2 Physical Properties

Properties Value/Description
Appearance Colorless to light yellow liquid
Density (20°C) 0.85 g/cm³
Boiling point 160-162°C
Flashpoint 45°C
Vapor Pressure (20°C) 0.2 kPa
Solution Easy soluble in water, etc.
Stability Stabilize at room temperature to avoid strong oxidants

1.3 Chemical Properties

DMCHA is a tertiary amine compound with strong alkalinity. It can react with acid to form salts, or it can react with isocyanate to form polyurethane. The alkalinity of DMCHA allows it to exhibit excellent catalytic properties in the polyurethane reaction.

2. Application of DMCHA in polyurethane

2.1 Basic reaction of polyurethane

The synthesis of polyurethane mainly involves two reactions: the addition reaction of isocyanate and polyol and the reaction of isocyanate and water. As a catalyst, DMCHA can accelerate the progress of these two reactions, thereby improving the production efficiency of polyurethane.

2.1.1 Reaction of isocyanate and polyol

Isocyanate (R-NCO) reacts with polyol (R’-OH) to form polyurethane (R-NH-COO-R’). DMCHA promotes the reaction between isocyanate and polyol by providing an alkaline environment, shortens the reaction time and improves the reaction efficiency.

2.1.2 Reaction of isocyanate and water

Isocyanate reacts with water to form carbon dioxide and amine (R-NH2). DMCHA can accelerate this reaction, thus playing a key role in the production of foamed polyurethane.

2.2 Application of DMCHA in polyurethane foam

Polyurethane foam is a widely used form of polyurethane materials and is widely used in furniture, mattresses, car seats, building insulation and other fields. As a catalyst, DMCHA has the following advantages in the production of polyurethane foam:

  • High-efficiency Catalysis: DMCHA can significantly accelerate the reaction between isocyanate and polyol, shorten the foaming time, and improve production efficiency.
  • Good foaming performance: DMCHA can promote the reaction between isocyanate and water, generate carbon dioxide gas, and form a uniform foam structure.
  • Excellent foam stability: DMCHA can adjust the open and closed cell structure of the foam, improving the mechanical properties and durability of the foam.

2.3 Application of DMCHA in polyurethane elastomers

Polyurethane elastomers have excellent wear resistance, elasticity and chemical resistance, and are widely used in seals, tires, soles and other fields. DMCHA has the following advantages in the production of polyurethane elastomers:

  • Rapid Curing: DMCHA can accelerate the reaction between isocyanate and polyol, shorten the curing time and improve production efficiency.
  • Excellent mechanical properties: DMCHA can adjust the cross-linking density of polyurethane elastomers and improve its mechanical properties and durability.
  • Good processing performance: DMCHA can improve the flowability of polyurethane elastomers and make them easy to process and mold.

2.4 The response of DMCHA in polyurethane coatingsUse

Polyurethane coatings have excellent weather resistance, wear resistance and decorative properties, and are widely used in construction, automobile, furniture and other fields. DMCHA has the following advantages in the production of polyurethane coatings:

  • Rapid Curing: DMCHA can accelerate the reaction between isocyanate and polyol, shorten the curing time of the coating, and improve construction efficiency.
  • Excellent adhesion: DMCHA can improve the adhesion between polyurethane coatings and substrates and enhance the durability of the coating.
  • Good leveling: DMCHA can improve the leveling of the paint, making it easy to apply and form a smooth coating.

III. Market prospects of DMCHA

3.1 Global Polyurethane Market Overview

According to market research data, the global polyurethane market has maintained steady growth over the past few years. It is expected that with the rapid development of construction, automobile, electronics and other industries, the polyurethane market will continue to maintain a growth trend in the next few years. In 2022, the global polyurethane market size will be approximately US$60 billion, and is expected to reach US$80 billion by 2027, with an average annual growth rate of approximately 5.5%.

3.2 Market demand for DMCHA

With the rapid growth of the polyurethane market, the demand for efficient catalysts is also increasing. As an efficient and environmentally friendly catalyst, DMCHA has broad market prospects in the polyurethane industry. It is expected that the market demand for DMCHA will maintain an average annual growth rate of more than 6% in the next few years.

3.3 DMCHA’s competitive advantage

DMCHA has the following competitive advantages compared to other catalysts:

  • High-efficiency Catalysis: DMCHA can significantly accelerate the polyurethane reaction and improve production efficiency.
  • Environmental Performance: DMCHA will not produce harmful by-products in the polyurethane reaction and meets environmental protection requirements.
  • Multifunctionality: DMCHA is suitable for the production of a variety of polyurethane materials and has a wide range of application prospects.

IV. Production and quality control of DMCHA

4.1 Production process

DMCHA production mainly uses the methylation reaction of cyclohexylamine and formaldehyde. The specific process steps are as follows:

  1. Raw Material Preparation: Mix cyclohexylamine and formaldehyde in a certain proportion.
  2. Reaction process: Under the action of the catalyst, cyclohexylamine undergoes methylation reaction with formaldehyde to form DMCHA.
  3. Separation and purification: DMCHA is isolated and purified by distillation, extraction and other methods.
  4. Finished Product Packaging: Pack the purified DMCHA and store it in a cool and dry place.

4.2 Quality Control

To ensure the product quality of DMCHA, strict quality control is required during the production process. The main control indicators include:

Indicators Standard Value Detection Method
Appearance Colorless to light yellow liquid Visual Test
Purity ?99.0% Gas Chromatography
Moisture ?0.1% Karl Fischer Law
Acne ?0.1 mg KOH/g Acidal-base titration method
Density (20°C) 0.84-0.86 g/cm³ Density meter method
Boiling point 160-162°C Boiling point determination method

4.3 Safety and Environmental Protection

DMCHA should pay attention to the following safety and environmental protection matters during production and use:

  • Safe Operation: DMCHA has a certain volatile nature. Protective gloves, masks, etc. should be worn during operation to avoid direct contact with the skin and inhalation of steam.
  • Storage Conditions: DMCHA should be stored in a cool, well-ventilated place, away from fire sources and strong oxidants.
  • Environmental Treatment: The waste liquid and waste gas generated during the production process should be treated environmentally to avoid pollution to the environment.

V. Future development trends of DMCHA

5.1 Green and environmentally friendly catalyst

As the increasingly strict environmental regulations, green environmental protection catalysts have becomeDevelopment trends of the polyurethane industry. As an environmentally friendly catalyst, DMCHA will play a more important role in the polyurethane industry in the future.

5.2 High-performance polyurethane material

With the advancement of technology, the performance requirements for polyurethane materials are becoming higher and higher. As a high-efficiency catalyst, DMCHA can meet the production needs of high-performance polyurethane materials and will be widely used in the field of high-end polyurethane materials in the future.

5.3 Intelligent production

With the advancement of Industry 4.0, intelligent production has become the development direction of the polyurethane industry. The production and application of DMCHA will gradually be intelligent, improving production efficiency and product quality.

VI. Conclusion

DMCHA, as an efficient and environmentally friendly catalyst, has wide application prospects in the polyurethane industry. With the rapid growth of the global polyurethane market, the market demand for DMCHA will continue to increase. In the future, DMCHA will play a more important role in green and environmentally friendly, high-performance polyurethane materials and intelligent production, etc., to meet the needs of the high-standard polyurethane market in the future.

Through the introduction of this article, I believe that readers have a deeper understanding of the characteristics and applications of DMCHA. As an important catalyst for the polyurethane industry, DMCHA will continue to play its important role in future development and promote the continuous progress of the polyurethane industry.

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