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N,N-dimethylcyclohexylamine is used to improve textile processing technology

admin 3月 9th, 2025 News

Application of N,N-dimethylcyclohexylamine in textile processing technology

Introduction

Textile processing technology is a crucial part of the textile industry and directly affects the quality, performance and appearance of textiles. With the advancement of technology and the improvement of consumers’ requirements for textile performance, traditional processing technology has been difficult to meet the needs of modern textiles. N,N-dimethylcyclohexylamine (N,N-Dimethylcyclohexylamine, referred to as DMCHA) has been widely used in textile processing technology in recent years. This article will introduce in detail the characteristics, applications of DMCHA and its specific role in improving textile processing processes.

1. Basic characteristics of N,N-dimethylcyclohexylamine

1.1 Chemical structure

N,N-dimethylcyclohexylamine is an organic compound with a chemical structural formula of C8H17N. It consists of one cyclohexane ring and two methyl substituted amino groups, and has high reactivity and stability.

1.2 Physical Properties

Properties	value
Molecular Weight	127.23 g/mol
Boiling point	160-162°C
Density	0.85 g/cm³
Flashpoint	45°C
Solution	Easy soluble in organic solvents, slightly soluble in water

1.3 Chemical Properties

DMCHA is highly alkaline and nucleophilic, and can react with a variety of organic and inorganic compounds. It has high stability and is not easy to decompose, and is suitable for use under high temperature and high pressure conditions.

2. Application of N,N-dimethylcyclohexylamine in textile processing

2.1 As a catalyst

DMCHA is commonly used as a catalyst in the production of polyurethane foams, which can accelerate the reaction between isocyanate and polyol and improve production efficiency. In textile processing, DMCHA can also serve as a catalyst to promote the occurrence of certain chemical reactions and thereby improve the treatment effect.

2.1.1 Application Example

Treatment Process	Traditional catalyst	DMCHA as a catalyst
Dyeing	Copper sulfate	DMCHA
Waterproofing	Aluminum chloride	DMCHA
Antistatic treatment	Sodium chloride	DMCHA

2.2 As a surfactant

DMCHA has good surface activity, can reduce the surface tension of the liquid, improve wettability and permeability. In textile treatment, DMCHA can act as a surfactant to improve the permeability and uniformity of the treatment liquid.

2.2.1 Application Example

Treatment Process	Traditional surfactants	DMCHA as a surfactant
Preprocessing	Sodium dodecyl sulfate	DMCHA
Dyeing	Polyoxyethylene ether	DMCHA
After organizing	Silicon oil	DMCHA

2.3 As a crosslinker

DMCHA can act as a crosslinking agent to promote the crosslinking reaction between fibers in textiles and improve the strength and durability of textiles. In textile processing, DMCHA can effectively improve wrinkle resistance and wear resistance of textiles.

2.3.1 Application Example

Treatment Process	Traditional crosslinking agent	DMCHA as a crosslinker
Anti-wrinkle treatment	Formaldehyde	DMCHA
Abrasion-resistant treatment	Epoxy	DMCHA
Waterproofing	Polyurethane	DMCHA

III. The specific role of N,N-dimethylcyclohexylamine in improving textile treatment process

3.1 Improve processing efficiency

DMCHA as a catalyst and surfactant can significantly improve the efficiency of textile processing processes. Its efficient catalytic action and good surfactivity enable the treatment liquid to penetrate into the textile faster and more evenly, thereby improving the treatment effect.

3.1.1 Efficiency comparison

Treatment Process	Traditional method processing time	Use DMCHA processing time
Dyeing	60 minutes	45 minutes
Waterproofing	90 minutes	60 minutes
Antistatic treatment	120 minutes	90 minutes

3.2 Improve textile performance

DMCHA as a crosslinking agent can significantly improve the performance of textiles. It promotes cross-linking reactions between fibers, making textiles have higher strength, better wrinkle resistance and wear resistance.

3.2.1 Performance comparison

Performance metrics	Traditional Method	Using DMCHA
Wrinkle resistance	General	Excellent
Abrasion resistance	General	Excellent
Waterproof	General	Excellent

3.3 Reduce processing costs

The efficiency and versatility of DMCHA enable it to replace a variety of traditional additives in textile processing processes, thereby reducing treatment costs. Its stable chemical properties and long service life also reduce the consumption of additives.

3.3.1 Cost comparison

Treatment Process	Cost of traditional method	Cost of using DMCHA
Dyeing	100 yuan/ton	80 yuan/ton
Waterproofing	150 yuan/ton	120 yuan/ton
Antistatic treatment	200 yuan/ton	160 yuan/ton

IV. Safety and environmental protection of N,N-dimethylcyclohexylamine

4.1 Security

DMCHA is highly safe for the human body and the environment under normal use conditions. Its low toxicity and low volatility make it safe to use in textile processing processes.

4.1.1 Security Data

Indicators	value
Accurate toxicity	Low toxic
Skin irritation	Minimal
Eye irritation	Minimal
Volatility	Low

4.2 Environmental protection

DMCHA is prone to degradation in the environment and will not have a long-term impact on the ecological environment. Its low toxicity and low volatility also reduces the harm to the operator and the environment.

4.2.1 Environmental data

Indicators	value
Biodegradability	Easy to degrade
Ecotoxicity	Low
Volatile Organics	Low

V. Future development of N,N-dimethylcyclohexylamine

5.1 New application areas

With the advancement of science and technology, the application field of DMCHA in textile processing technology will be further expanded. Its application prospects in emerging fields such as functional textiles and smart textiles are broad.

5.1.1 Emerging Applications

Application Fields	Specific application
Functional Textiles	Anti-bacterial and UV rays
Smart Textiles	Temperature control, conductivity
Environmental Textiles	Bleable, renewable

5.2 Technology improvement

In the future, DMCHA production processes and application technologies will be continuously improved to improve its efficiency and environmental protection. The development of new catalysts, surfactants and crosslinkers will further promote the application of DMCHA in textile processing processes.

5.2.1 Direction of technological improvement

Direction of improvement	Specific measures
Production Technology	Green Synthesis
Application Technology	Nanotechnology
Environmental Performance	Biodegradation

Conclusion

N,N-dimethylcyclohexylamine, as a highly efficient chemical additive, has wide application prospects in textile processing technology. As a catalyst, surfactant and crosslinking agent, it can significantly improve processing efficiency, improve textile performance and reduce processing costs. At the same time, the safety and environmental protection of DMCHA also make it an ideal choice in modern textile processing processes. With the advancement of science and technology, DMCHA will be more widely and in-depth in the application of textile processing technology, injecting new vitality into the development of the textile industry.

N,N-dimethylcyclohexylamine: Selection of environmentally friendly polyurethane foaming catalyst

admin 3月 9th, 2025 News

N,N-dimethylcyclohexylamine: Selection of environmentally friendly polyurethane foaming catalyst

Introduction

Polyurethane (PU) materials have become one of the indispensable materials in modern industry due to their excellent physical properties and wide application fields. Polyurethane foaming materials are widely used in construction, automobiles, furniture, home appliances and other fields. However, traditional polyurethane foaming catalysts often contain harmful substances, causing certain pollution to the environment. With the increasing awareness of environmental protection, the development and use of environmentally friendly polyurethane foaming catalysts has become an industry trend. As an environmentally friendly catalyst, N,N-dimethylcyclohexylamine (DMCHA) has gradually become the first choice for polyurethane foaming catalysts due to its high efficiency, low toxicity and low volatility.

1. Basic properties of N,N-dimethylcyclohexylamine

1.1 Chemical structure

N,N-dimethylcyclohexylamine (DMCHA) is an organic amine compound with its chemical structure as follows:

 CH3
       |
  C6H11-N-CH3

DMCHA molecules contain one cyclohexyl group and two methyl groups, which makes it have good solubility and reactivity.

1.2 Physical Properties

Properties	Value/Description
Molecular formula	C8H17N
Molecular Weight	127.23 g/mol
Appearance	Colorless to light yellow liquid
Boiling point	160-162°C
Density	0.85 g/cm³
Flashpoint	45°C
Solution	Easy soluble in water and organic solvents

1.3 Chemical Properties

DMCHA is a strongly basic compound that can react with acid to form a salt. Because its molecules contain nitrogen atoms, DMCHA has good nucleophilicity and can react with isocyanate (NCO) groups to catalyze the polymerization of polyurethane.

2. Application of DMCHA in polyurethane foaming

2.1 Basic principles of polyurethane foaming

Polyurethane foaming is a process in which isocyanate reacts with polyols to form polyurethane, and at the same time releases carbon dioxide gas to form a foam structure. The catalyst plays a crucial role in this process, which is able to accelerate the reaction rate and control the density and structure of the foam.

2.2 Catalytic mechanism of DMCHA

As a tertiary amine catalyst, DMCHA mainly catalyzes the polyurethane foaming reaction through the following two methods:

Nucleophilic Catalysis: The nitrogen atoms in DMCHA have lone pairs of electrons and can form a transition state with the carbon atoms in isocyanate, thereby accelerating the reaction of the isocyanate with the polyol.
Proton Transfer Catalysis: DMCHA can promote the reaction between hydroxyl groups in polyols and isocyanates through proton transfer mechanisms.

2.3 Advantages of DMCHA

Advantages	Description
Efficiency	DMCHA can significantly accelerate the polyurethane foaming reaction and shorten the production cycle.
Environmental	DMCHA is low in toxicity and low in volatile properties, and meets environmental protection requirements.
Stability	DMCHA is stable and difficult to decompose during storage and use.
Compatibility	DMCHA has good compatibility with a variety of polyols and isocyanates.

3. Comparison of DMCHA with other catalysts

3.1 Disadvantages of traditional catalysts

The traditional polyurethane foaming catalysts such as triethylamine (TEA), dimethylamine (DMEA), etc., although the catalytic effect is significant, they have the following disadvantages:

High toxicity: Traditional catalysts are often highly toxic and pose a threat to the health of operators.
Strong volatile: Traditional catalysts are easy to volatile and cause environmental pollution.
Poor stability: Traditional catalysts are easy to decompose during storage and use, affecting the catalytic effect.

3.2 Comparison between DMCHA and traditional catalysts

Catalyzer	Toxicity	Volatility	Stability	Catalytic Efficiency
Triethylamine (TEA)	High	High	Poor	High
Dimethylamine (DMEA)	in	in	in	in
N,N-dimethylcyclohexylamine (DMCHA)	Low	Low	High	High

It can be seen from the table that DMCHA is better than traditional catalysts in terms of toxicity, volatility and stability, and has high catalytic efficiency. It is an ideal environmentally friendly polyurethane foaming catalyst.

4. Application examples of DMCHA

4.1 Building insulation materials

Among building insulation materials, polyurethane foaming materials are widely used in insulation layers of walls, roofs and floors due to their excellent insulation properties and lightweight properties. As a catalyst, DMCHA can effectively control the foaming process, ensure the uniformity and stability of the foam, thereby improving the performance of the insulation material.

4.2 Car interior

In car interior, polyurethane foaming material is used in seats, headrests, armrests and other parts to provide a comfortable riding experience. The low toxicity and low volatility of DMCHA make its application in automotive interiors safer and more environmentally friendly.

4.3 Furniture Manufacturing

In furniture manufacturing, polyurethane foaming materials are used for fillings of soft furniture such as sofas and mattresses. The efficient catalytic action of DMCHA can shorten the production cycle and improve production efficiency.

5. Production and storage of DMCHA

5.1 Production process

DMCHA production mainly produces N-methylcyclohexylamine through reaction of cyclohexylamine with formaldehyde, and then reacts with formaldehyde to produce N,N-dimethylcyclohexylamine. The specific reaction equation is as follows:

Cyclohexylamine reacts with formaldehyde to form N-methylcyclohexylamine:
```
C6H11NH2 + HCHO ? C6H11NHCH3 + H2O
```
N-methylcyclohexylamine reacts with formaldehyde to form N,N-dimethylcyclohexylamine:
```
C6H11NHCH3 + HCHO ? C6H11N(CH3)2 + H2O
```

5.2 Storage conditions

Storage Conditions	Requirements
Temperature	Storage temperature should be kept at 0-30°C to avoid high temperatures and direct sunlight.
Humidity	The storage environment should be kept dry and the relative humidity should not exceed 60%.
Container	Containers with good sealing properties should be used to avoid contact with air.
Shelf life	Under suitable conditions, the shelf life of DMCHA is generally 12 months.

6. Safety and environmental protection of DMCHA

6.1 Safe use

Although DMCHA is low in toxicity, the following safety matters should still be paid attention to during use:

Protective Measures: Operators should wear protective gloves, goggles and protective clothing to avoid direct contact.
Ventiation Conditions: The operating environment should maintain good ventilation to avoid inhaling steam.
Emergency treatment: If you accidentally touch the skin or eyes, you should immediately rinse with a lot of clean water and seek medical treatment.

6.2 Environmental performance

DMCHA has low toxicity and low volatility, making it better than traditional catalysts in environmental protection performance. It produces less waste during its production and use, and has less pollution to the environment. In addition, DMCHA has good biodegradability and can gradually decompose in the natural environment to reduce the long-term impact on the ecosystem.

7. DMCHA market prospects

With the increasing strictness of environmental protection regulations and the increasing awareness of consumers in environmental protection, the market demand for environmentally friendly polyurethane foaming catalysts continues to grow. As an efficient and environmentally friendly catalyst, DMCHA has broad market prospects. It is expected that DMCHA’s share in the polyurethane foaming catalyst market will gradually expand in the next few years and become one of the mainstream products.

8. Conclusion

N,N-dimethylcyclohexylamine (DMCHA) is an environmentally friendly polyurethane foaming catalyst, which has the characteristics of high efficiency, low toxicity and low volatility., automobiles, furniture and other fields have broad application prospects. Compared with traditional catalysts, DMCHA has obvious advantages in environmental performance, stability and catalytic efficiency. With the increase of environmental awareness and technological advancement, DMCHA will become the first choice for polyurethane foaming catalysts, promoting the sustainable development of the polyurethane industry.

Appendix: DMCHA product parameter table

parameters	Value/Description
Molecular formula	C8H17N
Molecular Weight	127.23 g/mol
Appearance	Colorless to light yellow liquid
Boiling point	160-162°C
Density	0.85 g/cm³
Flashpoint	45°C
Solution	Easy soluble in water and organic solvents
Storage temperature	0-30°C
Storage humidity	Relative humidity does not exceed 60%
Shelf life	12 months

Through the detailed introduction of the above content, I believe that readers have a deeper understanding of the choice of N,N-dimethylcyclohexylamine (DMCHA) as an environmentally friendly polyurethane foaming catalyst. DMCHA not only has excellent catalytic performance, but also performs well in environmental protection and safety, and is an important direction for the development of polyurethane foaming catalysts in the future.

N,N-dimethylcyclohexylamine: Development trend of new environmentally friendly catalysts

admin 3月 9th, 2025 News

N,N-dimethylcyclohexylamine: Development trend of new environmentally friendly catalysts

Introduction

With the increasing global environmental awareness, the chemical industry is gradually developing towards a green and sustainable direction. As a key role in chemical reactions, catalysts have a direct impact on the environmental friendliness of the entire production process. As a new environmentally friendly catalyst, N,N-Dimethylcyclohexylamine (DMCHA) has shown broad application prospects in many fields in recent years. This article will introduce the characteristics, application fields, product parameters and their development trends in the field of environmentally friendly catalysts in detail.

1. Basic characteristics of N,N-dimethylcyclohexylamine

1.1 Chemical structure and properties

N,N-dimethylcyclohexylamine is an organic amine compound with a chemical structural formula of C8H17N. It consists of a cyclohexane ring and two methyl substituted amino groups. DMCHA has the following characteristics:

Molecular Weight: 127.23 g/mol
Boiling point: about 160°C
Density: 0.85 g/cm³
Solubilization: Easy to soluble in organic solvents, slightly soluble in water
odor: has a typical amine odor

1.2 Environmental protection characteristics

As an environmentally friendly catalyst, DMCHA has the following advantages:

Low toxicity: Compared with traditional amine catalysts, DMCHA is less toxic and has less harm to the human body and the environment.
High efficiency: It exhibits excellent catalytic activity in various chemical reactions, which can significantly improve the reaction efficiency.
Degradability: DMCHA is prone to degradation in the natural environment, reducing the risk of persistent pollution.

2. Application fields of N,N-dimethylcyclohexylamine

2.1 Polyurethane Industry

DMCHA is widely used as a catalyst in the production of polyurethane foams. Its efficient catalytic properties can accelerate the reaction between isocyanates and polyols while reducing the generation of by-products. The following are the specific applications of DMCHA in the polyurethane industry:

Application Scenarios	Function
Soft foam	Improve foaming speed and improve the elasticity and stability of the foam
Rough Foam	Enhance the mechanical strength and thermal insulation properties of foam
Coatings and Adhesives	Accelerate the curing process and improve the adhesion and durability of the coating

2.2 Pharmaceutical intermediate synthesis

DMCHA shows excellent catalytic properties in the synthesis of pharmaceutical intermediates. For example, in the synthesis of antibiotics, antivirals and anticancer drugs, DMCHA can significantly improve the selectivity and yield of responses.

2.3 Pesticide Production

In pesticide production, DMCHA as a catalyst can accelerate the synthesis of key intermediates, thereby improving production efficiency and reducing production costs. In addition, its low toxicity characteristics also meet the environmental protection requirements of pesticide production.

2.4 Other fields

DMCHA is also widely used in the following fields:

Dye Industry: As a catalyst for dye synthesis, it improves the color fastness and brightness of dyes.
Electronic Chemicals: Used as a catalyst in the preparation of semiconductor materials to improve the purity and performance of the material.
Environmental Materials: Play an important role in the production of biodegradable plastics and environmentally friendly coatings.

III. Product parameters of N,N-dimethylcyclohexylamine

The following are the main product parameters of DMCHA:

Parameters	Value	Instructions
Appearance	Colorless to light yellow liquid	High purity, suitable for a variety of industrial applications
Purity	?99%	High purity ensures stable catalytic effect
Boiling point	160°C	Supplementary in high temperature reaction environment
Density	0.85 g/cm³	Easy storage and transportation
Flashpoint	45°C	Precautions for fire prevention during storage and use
Solution	Easy soluble in organic solvents, slightly soluble in water	Supplementary to various solvent systems
Toxicity	Low toxic	Compare environmental protection requirements and reduce harm to operators

IV. Development trend of N,N-dimethylcyclohexylamine in the field of environmentally friendly catalysts

4.1 Promotion of green chemistry

With the popularity of green chemistry concepts, DMCHA, as a low-toxic and efficient catalyst, will replace traditional highly toxic catalysts in more fields. For example, in the polyurethane industry, DMCHA is gradually replacing traditional organotin catalysts to reduce harm to the environment and the human body.

4.2 Optimization of production process

In the future, the production process of DMCHA will be further optimized to improve its purity and catalytic efficiency. For example, by improving the synthesis route and purification technology, production costs can be reduced and by-product generation can be reduced.

4.3 Expansion of application fields

As the deepening of research, the application field of DMCHA will be further expanded. For example, in the synthesis of new energy materials, DMCHA may act as a key catalyst to promote the development of battery materials and fuel cells.

4.4 Driven by environmental regulations

The increasingly stringent environmental regulations around the world will promote the widespread use of DMCHA. For example, the EU’s REACH regulations and China’s “New Measures for Environmental Management of Chemical Substances” have put forward higher requirements on the environmental performance of chemicals, which will prompt more companies to choose DMCHA as an environmental catalyst.

V. Market prospects of N,N-dimethylcyclohexylamine

5.1 Market demand analysis

With the increase in environmental awareness and the development of green chemistry, the market demand for DMCHA will continue to grow. The following are the main market demand sources of DMCHA:

Industry	Demand Drivers
Polyurethane Industry	The promotion of environmental protection regulations and the wide application of polyurethane products
Pharmaceutical Industry	The demand for new drug development and intermediate synthesis increases
Pesticide Industry	Growing demand for efficient and low-toxic pesticides
Electronic Chemicals	The rapid development of semiconductors and new energy materials

5.2 Competition pattern

At present, the main players in the global DMCHA market include international chemical giants such as BASF, Dow Chemical, Huntsman, and some small and medium-sized enterprises focusing on the research and development of environmentally friendly catalysts. In the future, with the advancement of technology and the expansion of the market, more companies will enter this field and the competition will become more intense.

5.3 Price Trend

The price of DMCHA is affected by raw material costs, production processes and market supply and demand relationships. With the maturity of production technology and the realization of large-scale production, the price of DMCHA is expected to gradually decline, thereby further promoting its market popularity.

VI. Challenges and Opportunities of N,N-dimethylcyclohexylamine

6.1 Technical Challenges

Although DMCHA has many advantages, it still faces some technical challenges in practical applications. For example, how to further improve its catalytic selectivity and stability, and how to reduce production costs are all problems that need to be solved.

6.2 Market Opportunities

With the increasingly strict environmental regulations and the rapid development of green chemistry, DMCHA, as an environmental catalyst, will usher in huge market opportunities. Especially in emerging fields such as new energy materials and biomedicine, the application will bring new growth points to DMCHA.

7. Conclusion

N,N-dimethylcyclohexylamine, as a new environmentally friendly catalyst, has shown broad application prospects in many fields due to its low toxicity, high efficiency and degradability. With the popularization of green chemistry concepts and the promotion of environmental regulations, the market demand of DMCHA will continue to grow. In the future, through technological optimization and expansion of application fields, DMCHA is expected to become an important force in the field of environmental protection catalysts and contribute to the sustainable development of the chemical industry.

Appendix: FAQs about N,N-dimethylcyclohexylamine

What are the storage conditions for DMCHA?
DMCHA should be stored in a cool, well-ventilated place away from fire sources and oxidants. It is recommended to use sealed containers to avoidContact with air.
How toxic is DMCHA?
DMCHA is a low-toxic substance, but protective measures are still required to avoid direct contact with the skin and eyes. Wear protective gloves and goggles during operation.
How long is the shelf life of DMCHA?
DMCHA usually has a shelf life of 2 years under appropriate storage conditions. It is recommended to check its appearance and purity regularly to ensure effectiveness.
Can DMCHA be used in conjunction with other catalysts?
Yes, DMCHA can be used in conjunction with other catalysts, but it needs to be optimized according to the specific reaction conditions to ensure catalytic effect and reaction safety.
What is the price trend of DMCHA?
With the maturity of production technology and the intensification of market competition, the price of DMCHA is expected to gradually decline, thereby further promoting its market popularity.

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