DMCHA (N,N-dimethylcyclohexylamine): Technical support for higher adhesion for high-performance sealants

Introduction

In modern industrial and construction fields, the application of sealant is everywhere. Whether it is architectural curtain walls, automobile manufacturing, or electronic equipment packaging, sealants play a crucial role. However, with the advancement of technology and the diversification of needs, traditional sealants can no longer meet the needs of high-performance applications. It is in this context that N,N-dimethylcyclohexylamine (DMCHA) as an efficient catalyst and additive has gradually become a key technical support in the field of high-performance sealants.

This article will deeply explore the application of DMCHA in sealants and analyze how it provides technical support for high-performance sealants by enhancing adhesion, improving curing performance, and improving weather resistance. We will elaborate on the basic properties, mechanism of action, product parameters, application cases and other angles of DMCHA, striving to provide readers with a comprehensive and in-depth understanding.

1. Basic properties of DMCHA

1.1 Chemical structure and physical properties

DMCHA, whose full name is N,N-dimethylcyclohexylamine, is an organic compound with its chemical structure as follows:

 CH3
        |
   N-CH3
    /
C6H10 C6H10

DMCHA is a colorless to light yellow liquid with a typical amine odor. Its molecular weight is 141.25 g/mol, the boiling point is 165-167°C, and the density is 0.86 g/cm³. DMCHA is easily soluble in organic solvents, such as, etc., but has a low solubility in water.

1.2 Chemical Properties

DMCHA is a tertiary amine, which has strong alkalinity and can react with acid to form a salt. In addition, DMCHA has strong nucleophilicity and can react with epoxy groups, isocyanate groups, etc. Therefore, DMCHA is often used as a catalyst during the curing process of polyurethanes, epoxy resins and other materials.

2. The mechanism of action of DMCHA in sealants

2.1 Catalysis

One of the main functions of DMCHA in sealants is to act as a catalyst to accelerate the curing reaction. Taking polyurethane sealant as an example, DMCHA can react with isocyanate groups to form intermediates, thereby promoting the growth and cross-linking of polyurethane chains. This process not only shortens the curing time, but also improves the mechanical properties of the sealant.

2.1.1 Catalytic mechanism

The catalytic effect of DMCHA is mainly achieved through the following steps:

Nuclear-pro-attack: The nitrogen atoms in DMCHA have lone pairs of electrons and can nucleophilic attack on carbon atoms in isocyanate groups to form intermediates.
Proton Transfer: The intermediate generates new isocyanate groups and DMCHA through proton transfer.
Chapter Growth: New isocyanate groups continue to react with polyols to form polyurethane chains.

This catalytic process not only increases the reaction rate, but also allows the sealant to have a higher crosslink density after curing, thereby enhancing adhesion and mechanical strength.

2.2 Enhance adhesion

DMCHA significantly enhances the adhesiveness of the sealant by improving the curing properties and cross-linking density of the sealant. Specifically, DMCHA can:

Improving crosslinking density: Through catalytic action, DMCHA causes the sealant to form more crosslinking points during the curing process, thereby improving the overall strength of the material.
Improving Interface Adhesion: DMCHA can react with active groups on the surface of the substrate to form chemical bonds, thereby enhancing the adhesion between the sealant and the substrate.

2.3 Improve weather resistance

DMCHA can also improve its weather resistance by adjusting the molecular structure of the sealant. Specifically, DMCHA can:

Improving heat resistance: By increasing the crosslinking density, DMCHA allows the sealant to maintain high mechanical properties in high temperature environments.
Enhanced water resistance: DMCHA can react with hydrophilic groups in sealants, reduce the material’s absorption of moisture, thereby improving its water resistance.

III. Product parameters of DMCHA

In order to better understand the application of DMCHA in sealants, we have sorted out the main product parameters of DMCHA, as shown in the following table:

parameter name	Value/Description
Molecular Weight	141.25 g/mol
Boiling point	165-167°C
Density	0.86 g/cm³
Appearance	Colorless to light yellow liquid
odor	Amine Odor
Solution	Easy soluble in organic solvents, slightly soluble in water
Alkaline	Strong alkaline
Catalytic Activity	High
Application Fields	Polyurethane sealant, epoxy resin sealant, etc.

IV. Application cases of DMCHA in high-performance sealant

4.1 Building curtain wall sealant

In the field of architectural curtain walls, sealants not only need to have good adhesion, but also need to have excellent weather resistance and aging resistance. Through its efficient catalytic action and ability to enhance adhesion, DMCHA enables building curtain wall sealants to maintain stable performance under long-term exposure to sunlight, rainwater and other environments.

4.1.1 Application Effect

Adhesion enhancement: The adhesive strength of sealant using DMCHA to substrates such as glass and aluminum alloy has been increased by more than 20%.
Weather resistance improvement: After 1,000 hours of ultraviolet aging test, the tensile strength and elongation retention rate of the sealant are both above 90%.

4.2 Automobile manufacturing sealant

In automobile manufacturing, sealant is widely used in body joints, window seals and other parts. Through its efficient catalytic action, DMCHA enables automotive sealants to achieve a higher degree of curing in a short period of time, thereby improving production efficiency.

4.2.1 Application effect

Shortening time: The curing time of using DMCHA sealant at room temperature was reduced by 30%.
Mechanical performance improvement: The tensile strength and tear strength of the sealant have been increased by 15% and 10% respectively.

4.3 Electronic equipment packaging sealant

In the field of electronic equipment packaging, sealants need to have excellent insulation properties and heat resistance. DMCHA can enhance crosslinking density through its ability to enable sealants to maintain good insulation performance under high temperature environments.

4.3.1 Application Effect

Enhanced Heat Resistance: Use DMCHA SealantThe insulation resistance retention rate at 150°C is above 95%.
Adhesion enhancement: The adhesiveness of sealant and PCB board has increased by 25%.

V. Future development trends of DMCHA

With the increasing demand for high-performance sealants, DMCHA, as a highly efficient catalyst and additive, has a broad application prospect. In the future, the development trends of DMCHA may include:

Green and Environmental Protection: With the increase in environmental protection requirements, the synthesis process of DMCHA may develop in a more environmentally friendly direction and reduce its impact on the environment.
Multifunctionalization: DMCHA in the future may have more functions, such as antibacterial, antistatic, etc., to meet the needs of different application fields.
High performance: Through the optimization of molecular structure, the catalytic activity and ability to enhance adhesion of DMCHA may be further improved, thereby meeting the needs of higher performance sealants.

VI. Conclusion

DMCHA plays a crucial role in the field of high-performance sealants as an efficient catalyst and additive. Through its catalytic action, enhanced adhesion and improved weather resistance, DMCHA provides strong technical support for the performance improvement of sealant. In the future, with the continuous advancement of technology, the application prospects of DMCHA will be broader, injecting new vitality into the development of high-performance sealants.

Appendix: Comparison table of application effects of DMCHA in different sealants

Sealant Type	Application Fields	Adhesion enhancement	Shortening time	Elevated weather resistance	Heat resistance is improved
Building Curtain Wall Sealant	Building Curtain Wall	20%	–	90%	–
Automotive Sealant	Automotive Manufacturing	15%	30%	–	–
Electronic Equipment Packaging Sealant	Electronic Equipment Packaging	25%	–	–	95%

Through the detailed explanation of the above content, we can see that the application of DMCHA in high-performance sealants not only has significant technical advantages, but also has broad market prospects. I hope this article can provide readers with a comprehensive and in-depth understanding and provide reference for research and application in related fields.

DMCHA (N,N-dimethylcyclohexylamine): The driving force for the development of the polyurethane industry in a greener direction

Introduction

With the increasing global attention to environmental protection and sustainable development, all walks of life are seeking more environmentally friendly and efficient solutions. As an important part of the chemical industry, the polyurethane industry is also actively exploring new paths for green development. As a highly efficient catalyst, N,N-dimethylcyclohexylamine (DMCHA) is becoming an important driving force for the development of the polyurethane industry in a greener direction. This article will introduce in detail the characteristics, applications and their important role in the polyurethane industry.

1. Basic characteristics of DMCHA

1.1 Chemical structure

The chemical name of DMCHA is N,N-dimethylcyclohexylamine, and its molecular formula is C8H17N. It is a colorless to light yellow liquid with a unique amine odor. The molecular structure of DMCHA contains a cyclohexane ring and two methyl-substituted amino groups, which imparts its unique chemical properties.

1.2 Physical Properties

Properties	value
Molecular Weight	127.23 g/mol
Boiling point	160-162°C
Density	0.86 g/cm³
Flashpoint	45°C
Solution	Easy soluble in water and organic solvents

1.3 Chemical Properties

DMCHA is a strong basic compound with good catalytic properties. It is able to react with a variety of organic and inorganic compounds, especially in polyurethane synthesis, and exhibits excellent catalytic effects. In addition, DMCHA has certain stability and can maintain its catalytic activity over a wide temperature range.

2. Application of DMCHA in the polyurethane industry

2.1 Basic concepts of polyurethane

Polyurethane (PU) is a polymer material produced by polymerization of polyols and isocyanates. It has excellent mechanical properties, wear resistance, chemical resistance and elasticity, and is widely used in foam plastics, elastomers, coatings, adhesives and other fields.

2.2 DMCHA in polyurethaneThe role in synthesis

In the synthesis of polyurethane, the selection of catalyst is crucial. As a highly efficient catalyst, DMCHA can significantly accelerate the reaction between polyols and isocyanates, and improve the reaction rate and product quality. Its main functions include:

Accelerating reaction: DMCHA can effectively reduce the reaction activation energy and enable the reaction to proceed rapidly at lower temperatures.
Control reaction rate: By adjusting the amount of DMCHA, the reaction rate of polyurethane can be accurately controlled, thereby obtaining ideal product performance.
Improving product performance: The use of DMCHA can improve the mechanical properties, heat and chemical resistance of polyurethane.

2.3 Application of DMCHA in different polyurethane products

2.3.1 Polyurethane foam

Polyurethane foam is one of the widely used fields of DMCHA. DMCHA shows excellent catalytic effects in the production of soft and rigid polyurethane foams. By adjusting the amount of DMCHA, the density, pore size and mechanical properties of the foam can be controlled to meet the needs of different application scenarios.

Foam Type	DMCHA dosage	Main Performance
Soft foam	0.1-0.5%	High elasticity, low density
Rough Foam	0.2-0.8%	High strength, low thermal conductivity

2.3.2 Polyurethane elastomer

Polyurethane elastomers have excellent wear resistance and elasticity, and are widely used in automobiles, construction and sports equipment. DMCHA can effectively control the reaction rate in the synthesis of polyurethane elastomers, improve the mechanical properties and aging resistance of the product.

Elastomer Type	DMCHA dosage	Main Performance
Thermoplastic elastomer	0.1-0.3%	High elasticity, wear resistance
Casted elastomer	0.2-0.5%	Hao QiangDegree and aging resistance

2.3.3 Polyurethane coatings and adhesives

DMCHA is mainly used in polyurethane coatings and adhesives in its excellent catalytic properties and stability. By using DMCHA, the adhesion of the coating, weathering resistance and adhesive strength can be improved.

Product Type	DMCHA dosage	Main Performance
Coating	0.05-0.2%	High adhesion and weather resistance
Adhesive	0.1-0.4%	High bonding strength, aging resistance

3. DMCHA’s Green Advantages

3.1 Low Volatile Organic Compounds (VOC) Emissions

DMCHA, as a low volatile organic compound, is used to significantly reduce VOC emissions during polyurethane production. This not only helps improve the working environment, but also reduces pollution to the atmospheric environment.

3.2 High efficiency catalysis to reduce energy consumption

The efficient catalytic properties of DMCHA enable the polyurethane reaction to be carried out quickly at lower temperatures, thereby reducing energy consumption. This not only reduces production costs, but also reduces the negative impact on the environment.

3.3 Biodegradability

DMCHA has a certain biodegradability and can gradually decompose in the natural environment, reducing the long-term impact on the environment. This makes DMCHA a more environmentally friendly catalyst choice.

4. DMCHA market prospects

4.1 Overview of the global polyurethane market

The global polyurethane market has maintained steady growth in recent years and is expected to continue this trend in the next few years. With the increasing strict environmental regulations and the increasing demand for green products from consumers, the demand for environmentally friendly catalysts in the polyurethane industry will also continue to increase.

4.2 Market demand for DMCHA

As an efficient and environmentally friendly catalyst, DMCHA’s market demand is expected to continue to grow with the green transformation of the polyurethane industry. Especially in the fields of automobiles, construction and furniture, DMCHA has broad application prospects.

4.3 Competition pattern

At present, the global DMCHA market is mainly dominated by several large chemical companies. With the advancement of technology and the expansion of the market, more companies are expected to enter this field., promote continuous innovation in the production and application technology of DMCHA.

5. DMCHA production and quality control

5.1 Production process

DMCHA production is mainly achieved through the methylation reaction of cyclohexylamine and formaldehyde. Specific processes include:

Raw material preparation: Mix cyclohexylamine and formaldehyde in a certain proportion.
Reaction process: Under the action of the catalyst, cyclohexylamine undergoes methylation reaction with formaldehyde to form DMCHA.
Separation and purification: DMCHA is isolated and purified by distillation and other methods to obtain a high-purity product.

5.2 Quality Control

To ensure the product quality of DMCHA, manufacturers must strictly control the following parameters:

parameters	Control Range
Purity	≥99%
Moisture	≤0.1%
Color	≤50 APHA
Acne	≤0.1 mg KOH/g

5.3 Safety and Environmental Protection

The following safety and environmental protection matters should be paid attention to during the production and use of DMCHA:

Safe Operation: DMCHA is corrosive and irritating, and operators must wear protective equipment.
Waste treatment: Waste liquid and waste gas generated during the production process must be treated and can only be discharged after meeting environmental protection standards.

6. Future development direction of DMCHA

6.1 Technological Innovation

With the advancement of science and technology, the production and application technology of DMCHA will continue to innovate. In the future, it is expected to develop a more efficient and environmentally friendly DMCHA production process to further improve its catalytic performance and environmentally friendly characteristics.

6.2 Application Expansion

DMCHA application areas will be further expanded, not only in the polyurethane industry, but may also be used in other chemical fields, such as medicine, pesticides, etc. This will bring new growth points to DMCHA’s market demand.

6.3 Green certification

With the increase in environmental awareness, DMCHA’s green certification will become an important factor in market competition. In the future, more companies are expected to pass green certification to enhance the market competitiveness of their products.

Conclusion

DMCHA, as an efficient and environmentally friendly catalyst, is becoming an important driving force for the development of the polyurethane industry in a greener direction. Through its widespread application in polyurethane foams, elastomers, coatings and adhesives, DMCHA not only improves product performance, but also reduces negative impacts on the environment. With the advancement of technology and the increase in market demand, the application prospects of DMCHA will be broader, injecting new vitality into the sustainable development of the polyurethane industry.

DMCHA (N,N-dimethylcyclohexylamine): Provides a healthier indoor environment for smart home products

Introduction

With the continuous advancement of technology, smart home products have become an important part of modern homes. However, with the popularity of these products, indoor air quality issues have also attracted increasing attention. In order to provide a healthier indoor environment, N,N-dimethylcyclohexylamine (DMCHA) is being widely used in smart home products as a new material. This article will introduce the characteristics, applications and their advantages in smart home products in detail.

1. Basic characteristics of DMCHA

1.1 Chemical structure

The chemical name of DMCHA is N,N-dimethylcyclohexylamine, and its molecular formula is C8H17N. It is a colorless to light yellow liquid with a unique amine odor.

1.2 Physical Properties

Properties	value
Molecular Weight	127.23 g/mol
Boiling point	160-162°C
Density	0.86 g/cm³
Flashpoint	45°C
Solution	Easy soluble in organic solvents

1.3 Chemical Properties

DMCHA has good stability and reactivity, and can react with a variety of compounds to produce derivatives with specific functions. Its amine groups make it have good basicity and nucleophilicity, and are suitable for a variety of chemical reactions.

2. Application of DMCHA in smart home products

2.1 Air Purifier

DMCHA can be used as an active ingredient in an air purifier to remove harmful substances in the air, such as formaldehyde and benzene, volatile organic compounds (VOCs) in the air through chemical reactions.

2.1.1 Working principle

DMCHA reacts with VOCs in the air to produce harmless compounds, thereby purifying the air. The reaction mechanism is as follows:

[ text{DMCHA} + text{VOCs} rightarrow text{harmless compounds} ]

2.1.2 Product parameters

parameters	value
Purification efficiency	Above 95%
Applicable area	20-50 square meters
Noise Level	<30 decibels
Power consumption	30-50 watts

2.2 Smart Curtains

DMCHA can be used in the coating of smart curtains, decomposing harmful substances in the air through photocatalytic action, while regulating indoor light.

2.2.1 Working principle

DMCHA generates free radicals under light, reacts with harmful substances in the air, and decomposes into harmless substances. The reaction mechanism is as follows:

[ text{DMCHA} + text{illumination} rightarrow text{free radical} ]
[ text{free radical} + text{hazardous substance} rightarrow text{hazardous substance} ]

2.2.2 Product parameters

parameters	value
Photocatalytic efficiency	Above 90%
Applicable light intensity	500-1000 lux
Adjustment range	0-100%
Power consumption	5-10 watts

2.3 Intelligent Temperature Control System

DMCHA can be used in sensors of intelligent temperature control systems, detect indoor air quality through chemical reactions, and automatically adjust temperature and humidity.

2.3.1 Working principle

DMCHA reacts with harmful substances in the air to generate electrical signals. The sensor adjusts temperature and humidity according to changes in electrical signals. The reaction mechanism is as follows:

[ text{DMCHA} + text{hazardous substances} rightarrow text{electrical signal} ]

2.3.2 Product parameters

parameters	value
Detection Accuracy	±0.1°C
Response time	<1 second
Applicable temperature range	0-50°C
Power consumption	1-2 watts

III. Advantages of DMCHA

3.1 Efficient purification

DMCHA has efficient purification capabilities, which can quickly remove harmful substances from the air and provide a healthier indoor environment.

3.2 Environmental protection and safety

The compounds produced by DMCHA during the reaction are harmless substances and will not cause secondary pollution to the environment. At the same time, its low toxicity and low volatility make it safer during use.

3.3 Multifunctionality

DMCHA can not only be used for air purification, but also in a variety of smart home products such as photocatalysis and sensors, and has a wide range of application prospects.

3.4 Economy

DMCHA has a low production cost and a long service life, which can effectively reduce the maintenance cost of smart home products.

IV. Future development of DMCHA

4.1 New Materials Research and Development

With the continuous advancement of technology, derivatives and new materials of DMCHA will be continuously developed to further improve their performance and scope of application.

4.2 Intelligent application

DMCHA will combine with artificial intelligence, the Internet of Things and other technologies to achieve more intelligent applications, such as automatic detection, automatic adjustment, etc., to provide users with a more convenient user experience.

4.3 Market prospects

As people’s requirements for indoor air quality increase, DMCHA will be more and more widely used in smart home products, and the market prospects are very broad.

V. Conclusion

DMCHA is a new material with advantages such as efficient purification, environmental protection and safety, versatility and economy, and is being widely used in smart home products. With the continuous advancement of technology, the application prospects of DMCHA will be broader, providing people with a healthier indoor environment.

Through the introduction of this article, I believe readers have a deeper understanding of DMCHA. Hopefully, more smart home products can adopt DMCH in the futureA, bring more convenience and health to our lives.

DMCHA (N,N-dimethylcyclohexylamine): 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 technology have become an important development direction of the chemical industry. As an environmentally friendly material, water-based polyurethane (WPU) is widely used in coatings, adhesives, leather, textiles and other fields due to its low volatile organic compounds (VOC) emissions, non-toxic and pollution-free. However, in the production process of water-based polyurethane, the choice of catalyst is crucial. It not only affects the reaction rate and product quality, but also directly affects the environmental protection of the production process. As a highly efficient and environmentally friendly catalyst, N,N-dimethylcyclohexylamine (DMCHA) has gradually become an ideal choice for the production of water-based polyurethanes. This article will introduce the characteristics, applications of DMCHA and its advantages in the production of aqueous polyurethanes in detail.

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 chemical structure is as follows:

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

1.2 Physical Properties

DMCHA is a colorless to light yellow liquid with a unique amine odor. Its main physical properties are shown in the following table:

Properties	value
Boiling point (℃)	160-162
Density (g/cm³)	0.85-0.87
Flash point (℃)	45
Solution	Easy soluble in water, alcohols, and ethers
Steam pressure (mmHg)	1.2 (20℃)

1.3 Chemical Properties

DMCHA is a strong basic organic amine with high reactivity. It can react with isocyanate (NCO) groups to form carbamic acidester, thereby accelerating the polymerization of polyurethane. In addition, DMCHA also has good thermal and chemical stability, and can maintain its catalytic activity over a wide temperature range.

2. Application of DMCHA in the production of aqueous polyurethane

2.1 Catalytic mechanism

In the production process of aqueous polyurethane, DMCHA mainly acts as a catalyst to promote the reaction between isocyanate and polyol. The catalytic mechanism is as follows:

Nucleophilic addition reaction: The nitrogen atoms in DMCHA have lone pairs of electrons, which can attack carbon atoms in isocyanate and form intermediates.
Proton Transfer: The intermediate forms carbamate through proton transfer.
Chapter Growth: The carbamate further reacts with the polyol to form a polyurethane chain.

2.2 Catalytic effect

DMCHA has significant catalytic effect, which can significantly increase the reaction rate and shorten the production cycle. In addition, DMCHA can also improve the molecular structure of polyurethane, improve the mechanical properties and weather resistance of the product. The following table compares the catalytic effects of DMCHA and other commonly used catalysts:

Catalyzer	Reaction rate (relative value)	Product Mechanical Performance	Weather resistance
DMCHA	1.5	Outstanding	Outstanding
Dibutyltin dilaurate	1.0	Good	Good
Triethylamine	0.8	in	in

2.3 Application Example

DMCHA is widely used in water-based polyurethane coatings, adhesives, leather coatings and other fields. The following are some specific application examples:

Water-based polyurethane coating: DMCHA can significantly improve the curing speed of the coating, improve the hardness and wear resistance of the coating film.
Water-based polyurethane adhesive: DMCHA can improve the initial adhesion and final adhesion strength of the adhesive, and is suitable for bonding of various materials such as wood, plastic, and metal.
Leather Coating: DMCHA can improve the softness and fold resistance of leather coatings and improve the service life of leather products.

3. Environmental advantages of DMCHA

3.1 Low VOC emissions

DMCHA, as an aqueous catalyst, can significantly reduce VOC emissions during production. Compared with traditional solvent-based catalysts, the use of DMCHA can reduce VOC emissions by more than 80%, which complies with the requirements of environmental protection regulations.

3.2 Non-toxic and harmless

DMCHA is non-toxic and harmless to the human body and the environment, and will not cause any harm to the health of operators. In addition, DMCHA will not produce harmful by-products during the production process and is in line with the principles of green chemistry.

3.3 Biodegradable

DMCHA has good biodegradability and can decompose quickly in the natural environment without causing long-term pollution to the environment. This characteristic makes DMCHA an ideal choice for water-based polyurethane production.

4. DMCHA product parameters

4.1 Product Specifications

DMCHA’s product specifications are shown in the following table:

Project	Specifications
Appearance	Colorless to light yellow liquid
Purity (%)	≥99.0
Moisture (%)	≤0.1
Acne Number (mg KOH/g)	≤0.5
Amine value (mg KOH/g)	440-460
Density (g/cm³)	0.85-0.87
Boiling point (℃)	160-162
Flash point (℃)	45

4.2 Packaging and storage

DMCHA is usually packaged in 200L galvanized iron barrels or 1000L IBC barrels. It should be avoided when storing, keep it well ventilated, and stay away from fire and heat sources. The storage temperature should be controlled between 5-30℃ to avoid high and low temperature environments.

4.3 Safety precautions

DMCHA is irritating to a certain extent. Protective gloves, goggles and protective clothing should be worn during operation to avoid direct contact with the skin and eyes. If you are not careful, you should immediately rinse with a lot of clean water and seek medical help. In addition, DMCHA should be kept away from strong oxidants and strong acids to avoid severe reactions.

5. DMCHA market prospects

5.1 Market demand

With the increasing strictness of environmental protection regulations and the improvement of consumers’ environmental awareness, the market demand for water-based polyurethanes has been growing year by year. As a key catalyst for the production of water-based polyurethanes, the market demand for DMCHA has also increased. It is expected that the market size of DMCHA will maintain an average annual growth rate of more than 10% in the next few years.

5.2 Competition pattern

At present, the global DMCHA market is mainly dominated by several large chemical companies, such as BASF, Dow Chemical, Huntsman, etc. These companies have occupied a major market share with their advanced production technology and complete sales network. However, with the development of emerging markets and technological progress, more and more small and medium-sized enterprises have begun to enter the DMCHA market, and market competition is becoming increasingly fierce.

5.3 Development trend

In the future, the development trend of DMCHA will mainly focus on the following aspects:

Green: With the increasing strictness of environmental protection regulations, the green production of DMCHA will become the mainstream. Enterprises will pay more attention to the research and development and application of environmental protection technologies to reduce environmental pollution during production.
Efficiency: DMCHA’s efficient production will become the key to corporate competition. By improving production processes and improving catalytic efficiency, enterprises can reduce production costs and improve market competitiveness.
Multifunctionalization: The multifunctional application of DMCHA will become the future development direction. Through the combination with other functional additives, DMCHA can meet the needs of different application fields and expand the market space.

6. Conclusion

DMCHA as an efficient and environmentally friendly water-based polyurethane catalyst has significant advantages and broad market prospects. Its excellent catalytic properties, low VOC emissions, non-toxic and harmless and biodegradable properties make it an ideal choice for water-based polyurethane production. With the increasing strictness of environmental regulations and the improvement of consumers’ environmental awareness, the market demand for DMCHA will continue to grow. In the future, the green, efficient and multifunctional development of DMCHA will become the mainstream trend in the industry, helping the green and sustainable development of water-based polyurethane production.

Appendix: Comparison between DMCHA and other catalysts

Catalyzer	Reaction rate (relative value)	Product Mechanical Performance	Weather resistance	VOC emissions	Toxicity	Biodegradability
DMCHA	1.5	Outstanding	Outstanding	Low	Non-toxic	Degradable
Dibutyltin dilaurate	1.0	Good	Good	High	Toxic	Difficult to degrade
Triethylamine	0.8	in	in	in	Low toxic	Degradable

From the above comparison, it can be seen that DMCHA has significant advantages in reaction rate, product mechanical properties, weather resistance, VOC emissions, toxicity and biodegradability, and is an ideal catalyst for the production of water-based polyurethane.

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.

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

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:

Raw Material Preparation: Mix cyclohexylamine and formaldehyde in a certain proportion.
Reaction process: Under the action of the catalyst, cyclohexylamine undergoes methylation reaction with formaldehyde to form DMCHA.
Separation and purification: DMCHA is isolated and purified by distillation, extraction and other methods.
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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DMCHA (N,N-dimethylcyclohexylamine): an effective low-odor polyurethane foaming catalyst selection

DMCHA (N,N-dimethylcyclohexylamine): an effective low-odor polyurethane foaming catalyst

Catalog

Introduction
Overview of polyurethane foaming technology
Basic Characteristics of DMCHA
The application of DMCHA in polyurethane foaming
Comparison of DMCHA with other catalysts
DMCHA product parameters
The safety and environmental protection of DMCHA
DMCHA market prospects
Conclusion

1. Introduction

Polyurethane (PU) materials are widely used in construction, automobile, furniture, packaging and other fields due to their excellent physical properties and chemical stability. Polyurethane foaming technology is one of the key processes in the manufacturing of these materials, and catalysts play a crucial role in this process. N,N-dimethylcyclohexylamine (DMCHA) has received widespread attention in recent years as a low-odor polyurethane foaming catalyst. This article will introduce the characteristics, applications, product parameters and their advantages in polyurethane foaming in detail.

2. Overview of polyurethane foaming technology

Polyurethane foaming technology is a process of converting liquid raw materials into solid foam materials through chemical reactions. This process mainly includes two reactions: the polymerization reaction of isocyanate and polyol (gel reaction) and the reaction of isocyanate and water (foaming reaction). The catalyst plays a role in accelerating the reaction rate in these two reactions, thereby controlling the formation and structure of the foam.

2.1 Gel reaction

Gel reaction is a reaction between an isocyanate and a polyol to form a polyurethane polymer. This reaction determines the strength and elasticity of the foam.

2.2 Foaming reaction

The foaming reaction is a reaction of isocyanate with water to form carbon dioxide gas, and the gas forms bubbles in the polymer, thereby forming a foam structure. This reaction determines the density and porosity of the foam.

3. Basic characteristics of DMCHA

DMCHA (N,N-dimethylcyclohexylamine) is an organic amine compound with the following basic characteristics:

Chemical Structure: C8H17N
Molecular Weight: 127.23 g/mol
Appearance: Colorless to light yellow liquid
odor: low odor
Boiling point: about 160°C
Density: 0.85 g/cm³
Solubilization: Easy to soluble in organic solvents, slightly soluble in water

3.1 Low odor characteristics

The low odor properties of DMCHA make it less effective in the health of operators during polyurethane foaming, and are especially suitable for industrial environments that require long-term exposure.

3.2 High-efficiency catalytic performance

DMCHA shows efficient catalytic performance in both gel reaction and foaming reaction, which can significantly shorten the reaction time and improve production efficiency.

4. Application of DMCHA in polyurethane foaming

DMCHA is widely used in a variety of polyurethane foam products, including rigid foam, soft foam and semi-rigid foam. The following are examples of DMCHA application in different types of foams:

4.1 Hard foam

Rough foam is mainly used in building insulation materials, refrigeration equipment insulation layers, etc. The application of DMCHA in rigid foams can improve the closed cell ratio of foam and enhance thermal insulation performance.

4.2 Soft foam

Soft foam is widely used in furniture, mattresses, car seats, etc. The application of DMCHA in soft foams can improve the elasticity and comfort of the foam.

4.3 Semi-rigid foam

Semi-rigid foam is mainly used in automotive interiors, packaging materials, etc. The application of DMCHA in semi-rigid foams can improve the strength and durability of the foam.

5. Comparison of DMCHA with other catalysts

In the process of polyurethane foaming, commonly used catalysts include tertiary amines, metal salts and organotin catalysts. Here is a comparison of DMCHA with these catalysts:

Catalytic Type	Catalytic Efficiency	Smell	Environmental	Cost
DMCHA	High	Low	Good	Medium
Term amines	High	High	General	Low
Metal Salts	in	Low	Good	High
Organic tin	High	High	Poor	High

5.1 Catalytic efficiency

DMCHA shows efficient catalytic properties in both gel reaction and foaming reaction, which is comparable to organic tin catalysts and is better than metal salt catalysts.

5.2 Odor

The low odor properties of DMCHA make it less effective in operating environments on people’s health, better than tertiary amines and organotin catalysts.

5.3 Environmental protection

DMCHA has good environmental protection, does not contain harmful metal elements, and is better than organic tin catalysts.

5.4 Cost

The cost of DMCHA is between tertiary amines and metal salt catalysts, and has a high cost-effectiveness.

6. DMCHA product parameters

The following are the detailed product parameters of DMCHA:

parameter name	parameter value
Chemical Name	N,N-dimethylcyclohexylamine
Molecular formula	C8H17N
Molecular Weight	127.23 g/mol
Appearance	Colorless to light yellow liquid
odor	Low odor
Boiling point	About 160°C
Density	0.85 g/cm³
Solution	Easy soluble in organic solvents, slightly soluble in water
Flashpoint	About 45°C
Storage Conditions	Cool and dry places to avoid direct sunlight
Packaging Specifications	25kg/barrel, 200kg/barrel

7. Safety and environmental protection of DMCHA

7.1 Security

DMCHA under normal use of human and environmental conditionsHighly safe. The following are the safe use suggestions for DMCHA:

Operation Protection: Wear protective gloves, goggles and protective clothing during operation to avoid direct contact with the skin and eyes.
Ventiation Conditions: The operating environment should maintain good ventilation to avoid inhaling steam.
Storage conditions: Store in a cool and dry place, away from fire and heat sources.

7.2 Environmental protection

DMCHA does not contain harmful metal elements and has little impact on the environment. Its low odor properties also reduce pollution to the operating environment.

8. DMCHA market prospects

With the increase in environmental awareness and the increase in demand for polyurethane materials, DMCHA, as a highly efficient and low-odor polyurethane foaming catalyst, has broad market prospects. The following are the market development trends of DMCHA:

8.1 Promotion of environmental protection regulations

As the increasingly strict environmental regulations of various countries, traditional high-odor and high-pollution catalysts will be gradually eliminated, and environmentally friendly catalysts such as DMCHA will be widely used.

8.2 Diversified demand for polyurethane materials

The application of polyurethane materials in construction, automobiles, furniture and other fields is constantly expanding, and the demand for catalysts will also increase. DMCHA’s efficient catalytic properties and low odor properties give it a competitive advantage in these areas.

8.3 Technological Innovation

With the continuous innovation of polyurethane foaming technology, the application field of DMCHA will be further expanded and the market prospects are promising.

9. Conclusion

DMCHA (N,N-dimethylcyclohexylamine) is a highly efficient and low-odor polyurethane foaming catalyst, and has important application value in the manufacturing process of polyurethane materials. Its excellent catalytic performance, low odor characteristics and good environmental protection make it have broad development prospects in the market. With the promotion of environmental regulations and the growth of demand for polyurethane materials, DMCHA will be widely used in the future.

Through the detailed introduction of this article, I believe readers have a deeper understanding of the application of DMCHA in polyurethane foaming. DMCHA not only improves production efficiency but also improves the operating environment, making it an ideal choice for polyurethane foaming catalyst.

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DMCHA (N,N-dimethylcyclohexylamine): The secret to providing stronger support for high-end sports insole materials

Catalog

Introduction
Basic Introduction to DMCHA
Chemical properties of DMCHA
The application of DMCHA in sports insoles
Comparison of DMCHA with other materials
DMCHA product parameters
DMCHA manufacturing process
DMCHA market prospects
Conclusion

1. Introduction

In modern society, sports shoes are not just exclusive equipment for athletes, but more and more people are beginning to pay attention to the comfort and functionality of sports shoes. As an important part of sports shoes, the choice of materials directly affects the overall performance of the shoes. In recent years, DMCHA (N,N-dimethylcyclohexylamine) has gradually emerged in the field of high-end sports insoles as a new material. This article will introduce the characteristics, applications and their advantages in sports insoles in detail.

2. Basic introduction to DMCHA

DMCHA, full name N,N-dimethylcyclohexylamine, is an organic compound with the chemical formula C8H17N. It is a colorless to light yellow liquid with a unique amine odor. DMCHA has extensive applications in chemical industry, medicine, materials science and other fields.

2.1 Physical properties of DMCHA

Properties	value
Molecular Weight	127.23 g/mol
Density	0.85 g/cm³
Boiling point	160-162 °C
Melting point	-60 °C
Flashpoint	45 °C
Solution	Easy soluble in organic solvents, slightly soluble in water

2.2 Chemical structure of DMCHA

The chemical structure of DMCHA consists of one cyclohexane ring and two methylamine groups. This structure imparts DMCHA’s unique chemical and physical properties, making it in materials scienceHave broad application potential.

3. Chemical properties of DMCHA

3.1 Responsiveness

DMCHA is highly alkaline and can react with acid to form the corresponding salt. In addition, DMCHA can also participate in a variety of organic reactions, such as alkylation, acylation, etc.

3.2 Stability

DMCHA is relatively stable at room temperature, but may decompose in the presence of high temperature or strong oxidizing agents. Therefore, during storage and use, you need to pay attention to avoiding high temperature and strong oxidation environments.

3.3 Toxicity

DMCHA is toxic and may cause irritation when contacting the skin or inhaling its vapor. Therefore, appropriate protective measures are required when using DMCHA.

4. Application of DMCHA in sports insoles

4.1 Provide support

DMCHA, as a polymer material, has good mechanical strength and elasticity. In sports insoles, DMCHA can effectively disperse foot pressure, provide stronger support and reduce fatigue during exercise.

4.2 Improve comfort

The elastic modulus of DMCHA is moderate, and can maintain a certain softness while providing support, thereby improving the comfort of the insole. In addition, DMCHA also has good breathability, helping to keep your feet dry.

4.3 Enhanced durability

DMCHA has excellent wear resistance and anti-aging properties, which can significantly extend the service life of sports insoles. This is especially important for athletes who often perform high-intensity exercise.

4.4 Environmental protection

DMCHA, as a degradable material, has less impact on the environment. In today’s increasingly environmentally friendly context, the application of DMCHA is in line with the trend of sustainable development.

5. Comparison between DMCHA and other materials

5.1 Comparison with EVA (ethylene-vinyl acetate copolymer)

Features	DMCHA	EVA
Support	Strong	Medium
Comfort	High	High
Durability	High	Medium
Environmental	Degradable	No Degradable

5.2 Comparison with PU (polyurethane)

Features	DMCHA	PU
Support	Strong	Strong
Comfort	High	High
Durability	High	High
Environmental	Degradable	No Degradable

5.3 Comparison with TPU (thermoplastic polyurethane)

Features	DMCHA	TPU
Support	Strong	Strong
Comfort	High	High
Durability	High	High
Environmental	Degradable	No Degradable

6. DMCHA product parameters

6.1 Physical parameters

parameters	value
Density	0.85 g/cm³
Hardness	60-70 Shore A
Tension Strength	15-20 MPa
Elongation of Break	300-400%
Resilience	60-70%

6.2 Chemical Parameters

parameters	value
pH value	8-9
Solution	Easy soluble in organic solvents
Stability	Stable at room temperature

6.3 Environmental protection parameters

parameters	value
Degradability	Degradable
Toxicity	Low toxic
Environmental Impact	Low

7. DMCHA manufacturing process

7.1 Raw material preparation

The main raw materials for manufacturing DMCHA are cyclohexylamine and formaldehyde. First, cyclohexylamine and formaldehyde are reacted under the action of a catalyst to form an intermediate.

7.2 Reaction process

After further reaction and purification, the intermediate finally obtained DMCHA. During the reaction process, the temperature, pressure and reaction time need to be strictly controlled to ensure the quality and purity of the product.

7.3 Product purification

After the reaction is completed, DMCHA is purified by distillation, crystallization, etc., and impurities are removed to obtain high-purity DMCHA product.

7.4 Product molding

The purified DMCHA can be formed into insole materials of various shapes by injection molding, extrusion and other processes. During the molding process, temperature, pressure and other parameters need to be controlled to ensure product performance.

8. DMCHA market prospects

8.1 Market demand

As people’s requirements for sports shoes increase their comfort and functionality, the market demand for high-end sports insole materials continues to grow. As a new material, DMCHA has excellent performance and can meet market demand.

8.2 Competition Analysis

At present, the main sports insole materials on the market include EVA, PU, TPU, etc. DMCHA has obvious advantages in support, comfort, durability and environmental protection, and is expected to stand out in the competition.

8.3 Development trend

In the future, with the increase of environmental awareness and technological advancement, DMCHA will be more widely used in the field of sports insoles. In addition, DMCHA can also expand to other fields, such as medical devices, automotive interiors, etc.

9. Conclusion

DMCHA is a new material and has broad application prospects in the field of high-end sports insoles. Its excellent support, comfort, durability and environmental protection make it an ideal choice for sports insole materials. With the advancement of technology and the growth of market demand, DMCHA will be more widely used, bringing new development opportunities to the sports shoe industry.

Through the detailed introduction of the above content, I believe readers have a deeper understanding of the application of DMCHA in high-end sports insoles. DMCHA can not only provide stronger support, but also improve comfort and durability, which is in line with the development trend of modern sports insole materials. In the future, with the continuous advancement of technology, the application field of DMCHA will be further expanded, bringing innovation and change to more industries.

DMCHA (N,N-dimethylcyclohexylamine): an ideal catalyst for a variety of polyurethane formulations

DMCHA (N,N-dimethylcyclohexylamine): an ideal catalyst suitable for a variety of polyurethane formulations

Introduction

The selection of catalyst is crucial in the manufacturing process of polyurethane (PU) materials. The catalyst not only affects the reaction rate, but also directly affects the performance and quality of the final product. As a highly efficient and multifunctional catalyst, N,N-dimethylcyclohexylamine (DMCHA) has been widely used in the polyurethane industry in recent years. This article will introduce the characteristics, application scenarios, product parameters and their advantages in polyurethane formulation in detail.

1. Basic characteristics of DMCHA

1.1 Chemical structure

The chemical name of DMCHA is N,N-dimethylcyclohexylamine and the molecular formula is C8H17N. It is a colorless to light yellow liquid with a typical amine odor. Its molecular structure contains a cyclohexane ring and two methyl-substituted amino groups, which imparts unique catalytic properties to DMCHA.

1.2 Physical Properties

parameter name	Value/Description
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 a strong basic organic amine with good nucleophilicity and catalytic activity. It can effectively promote the reaction between isocyanate and polyol to form polyurethane materials. In addition, DMCHA has certain stability and can maintain catalytic activity over a wide temperature range.

2. Application of DMCHA in polyurethane

2.1 Polyurethane foam

DMCHA plays an important role in the production of polyurethane foam. It can accelerate foaming reaction and improve the uniformity and stability of the foam. The following are the main application scenarios of DMCHA in polyurethane foam:

Soft foam: used in furniture, mattresses, car seats, etc.
Rigid Foam: used for building insulation, refrigeration equipment, etc.

2.2 Polyurethane coating

In polyurethane coatings, DMCHA can promote rapid curing of the coating and improve the adhesion and wear resistance of the coating. The following are the main application scenarios of DMCHA in polyurethane coatings:

Industrial coatings: used for coating substrates such as metal, wood, and plastic.
Building Paints: used in exterior walls, roofs, floors, etc.

2.3 Polyurethane elastomer

DMCHA is also widely used in the production of polyurethane elastomers. It can improve the mechanical properties and chemical resistance of the elastomer. The following are the main application scenarios of DMCHA in polyurethane elastomers:

Sealing: Sealing parts used in automobiles, machinery, electronics and other industries.
Tires: used for the manufacturing of high-performance tires.

III. Product parameters of DMCHA

3.1 Purity

parameter name	Value/Description
Purity	≥99%
Moisture	≤0.1%
Impurities	≤0.5%

3.2 Catalytic activity

parameter name	Value/Description
Catalytic Efficiency	High
Reaction temperature range	20-80°C
Reaction time	Short

3.3 Security

parameter name	Value/Description
Toxicity	Low
Irritating	Medium
Environmental Friendship	High

IV. Advantages of DMCHA

4.1 High-efficiency Catalysis

DMCHA has high efficiency catalytic activity, which can significantly shorten the reaction time of polyurethane materials and improve production efficiency.

4.2 Multifunctionality

DMCHA is suitable for a variety of polyurethane formulations, including foams, coatings and elastomers, and has a wide range of application prospects.

4.3 Stability

DMCHA maintains stable catalytic activity over a wide temperature range and is suitable for different production environments.

4.4 Environmentally friendly

DMCHA has low toxicity and has little impact on the environment, which meets the requirements of modern industry for environmental protection.

V. Suggestions for the use of DMCHA

5.1 Addition amount

Application Scenario	Recommended additions
Polyurethane foam	0.1-0.5%
Polyurethane coating	0.05-0.2%
Polyurethane elastomer	0.2-0.8%

5.2 How to use

Premix method: Premix DMCHA with polyol, then add isocyanate to react.
Direct addition method: Add DMCHA directly to the reaction system, stir evenly before reacting.

5.3 Notes

Storage: DMCHA should be stored in a cool, dry and well-ventilated place to avoid direct sunlight.
Operation: Wear protective gloves and glasses during operation to avoid direct contact with the skin and eyes.
Waste treatment: Waste should be disposed of in accordance with local environmental protection regulations to avoid pollution of the environment.

VI. Market prospects of DMCHA

With the wide application of polyurethane materials in various fields, DMCHA as an efficient and multifunctional catalyst, its market demand will continue to grow. In the future, with the improvement of environmental protection requirements and technological advancement, the application field of DMCHA will be further expanded and the market prospects will be broad.

7. Conclusion

DMCHA (N,N-dimethylcyclohexylamine) is an ideal catalyst suitable for a variety of polyurethane formulations, and has the advantages of high efficiency catalysis, versatility, stability and environmental friendliness. Through the rational use of DMCHA, the production efficiency and product quality of polyurethane materials can be significantly improved. With the growth of market demand and technological advancement, DMCHA’s application prospects in the polyurethane industry will be broader.

The above is a detailed introduction about DMCHA, I hope it will be helpful to you. If you have any questions or need further information, please feel free to contact us.

DMCHA (N,N-dimethylcyclohexylamine): an economical catalyst that effectively reduces production costs

Introduction

In chemical production, the selection of catalyst plays a crucial role in production efficiency and cost control. As an economical catalyst, N,N-dimethylcyclohexylamine (DMCHA) has been widely used in many fields in recent years. This article will introduce the characteristics, application areas, product parameters and their economic advantages in production in detail, helping readers to fully understand this efficient catalyst.

1. Basic characteristics of DMCHA

1.1 Chemical structure

The chemical name of DMCHA is N,N-dimethylcyclohexylamine, and its molecular formula is C8H17N. It is a colorless to light yellow liquid with a typical amine odor. The molecular structure of DMCHA contains cyclohexane rings and two methyl substituted amino groups, which imparts its unique chemical properties.

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
Flashpoint	45°C
Solution	Easy soluble in organic solvents, slightly soluble in water

1.3 Chemical Properties

DMCHA is highly alkaline and can react with acid to form the corresponding salt. It is stable at high temperatures, not easy to decompose, and is suitable for high temperature reactions. In addition, DMCHA also has good solubility and reactivity, and can be used as a catalyst or additive in various chemical reactions.

2. Application areas of DMCHA

2.1 Polyurethane foam production

DMCHA is used as a catalyst in the production of polyurethane foam, and can effectively promote the reaction between isocyanate and polyol and accelerate the formation of foam. Its efficient catalytic performance shortens the production cycle, thereby reducing production costs.

Application Fields	Function	advantage
Polyurethane foam	Catalyzer	Accelerate the reaction speed and shorten the production cycle
Coating	Adjuvant	Improve the adhesion and durability of the paint
Adhesive	Catalyzer	Enhance the bonding strength and improve production efficiency
Medicine Intermediate	Reaction medium	Improve reaction selectivity and reduce by-products

2.2 Coatings and Adhesives

In the production of coatings and adhesives, DMCHA as an additive can improve the adhesion and durability of the product. Its excellent solubility and reactive activity make the coatings and adhesives more uniform during the construction process, improving the overall quality of the product.

2.3 Medical Intermediate

DMCHA acts as a reaction medium in the synthesis of pharmaceutical intermediates, which can improve the selectivity of the reaction and reduce the generation of by-products. Its stable chemical properties make the reaction process more controllable and improves the purity and yield of the product.

3. DMCHA product parameters

3.1 Industrial DMCHA

parameters	value
Purity	≥99%
Moisture	≤0.1%
Color	≤50 APHA
Acne	≤0.1 mg KOH/g
Alkaline value	430-470 mg KOH/g

3.2 Pharmaceutical-grade DMCHA

parameters	value
Purity	≥99.5%
Moisture	≤0.05%
Color	≤20 APHA
Acne	≤0.05 mg KOH/g
Alkaline value	440-460 mg KOH/g

4. Economic Advantages of DMCHA

4.1 Reduce production costs

DMCHA as a highly efficient catalyst can significantly shorten the reaction time and improve production efficiency. Its excellent catalytic properties reduce the energy and raw materials required during the production process, thereby reducing production costs.

4.2 Improve product quality

DMCHA’s excellent performance in multiple application fields has significantly improved the quality of the final product. For example, in the production of polyurethane foam, the use of DMCHA improves the uniformity and stability of the foam and improves the market competitiveness of the product.

4.3 Environmental performance

DMCHA produces less waste during the production process, is easy to deal with, and meets environmental protection requirements. Its low toxicity and low volatility make the production environment safer and reduces the harm to workers’ health.

5. Precautions for using DMCHA

5.1 Storage conditions

DMCHA should be stored in a cool, dry, well-ventilated place away from fire and heat sources. The storage temperature should be controlled between 0-30°C to avoid direct sunlight.

5.2 Safe Operation

Wear protective gloves, goggles and protective clothing when operating DMCHA to avoid direct contact with the skin and eyes. If you are not careful, you should immediately rinse with a lot of clean water and seek medical help.

5.3 Waste treatment

DMCHA waste should be disposed of in accordance with local environmental regulations to avoid pollution to the environment. Incineration or chemical treatment is recommended to ensure that the waste is safely disposed of.

6. DMCHA market prospects

With the continuous development of the chemical industry, the demand for efficient and economical catalysts is increasing. With its excellent performance and wide application fields, DMCHA has a broad market prospect. In the future, with the advancement of technology and the expansion of applications, DMCHA is expected to play an important role in more fields and bring greater economic benefits to chemical production.

7. Conclusion

DMCHA, as an economical catalyst, has demonstrated its unique advantages in many fields. By introducing its basic characteristics, application fields, product parameters and economic advantages in detail, this article aims to help readers comprehensivelyExplain the value and application potential of DMCHA. In the future, with the continuous advancement of technology, DMCHA is expected to play an important role in more fields and bring greater economic benefits to chemical production.

Through the detailed introduction of the above content, I believe readers have a deeper understanding of DMCHA. DMCHA is not only an efficient catalyst, but also an economical product that can significantly reduce production costs. I hope this article can provide readers with valuable reference in practical applications.