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

3月 12th, 2025 News

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.

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Performance of DMCHA (N,N-dimethylcyclohexylamine) in rapid curing system and its impact on product quality

3月 12th, 2025 News

The performance of DMCHA (N,N-dimethylcyclohexylamine) in rapid curing systems and its impact on product quality

Catalog

  1. Introduction
  2. The basic properties of DMCHA
  3. The mechanism of action of DMCHA in rapid curing systems
  4. The impact of DMCHA on product quality
  5. Comparison of product parameters and performance
  6. Practical application case analysis
  7. Conclusion

1. Introduction

In the fields of chemical industry and materials science, the application of rapid curing systems is becoming more and more extensive, especially in the fields of coatings, adhesives, composite materials, etc. Rapid curing can not only improve production efficiency, but also improve product performance. N,N-dimethylcyclohexylamine (DMCHA) plays an important role in rapid curing systems as a commonly used catalyst. This article will discuss in detail the performance of DMCHA in rapid curing systems and its impact on product quality.

2. Basic properties of DMCHA

2.1 Chemical structure

The chemical formula of DMCHA is C8H17N and the molecular weight is 127.23 g/mol. Its structure is as follows:

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

2.2 Physical Properties

Properties value
Appearance Colorless to light yellow liquid
Boiling point 160-162°C
Density 0.85 g/cm³
Flashpoint 45°C
Solution Solved in water and organic solvents

2.3 Chemical Properties

DMCHA is a strong basic organic amine with good catalytic activity, especially in the curing reaction of epoxy resins.

3. Mechanism of action of DMCHA in rapid curing system

3.1 Catalytic mechanism

DMCHA provides alkalineEnvironment, accelerate the reaction of epoxy resin with curing agent. Its catalytic mechanism mainly includes the following steps:

  1. Proton Transfer: DMCHA seizes protons from epoxy resin to form active intermediates.
  2. Loop opening reaction: The active intermediate undergoes a loop opening reaction with the curing agent to generate new chemical bonds.
  3. Chain Growth: Through continuous chain growth reactions, a three-dimensional network structure is formed.

3.2 Reaction Kinetics

The addition of DMCHA significantly increased the reaction rate. Through kinetic analysis, it can be found that the reaction rate constant k is linearly related to the concentration of DMCHA.

DMCHA concentration (wt%) Reaction rate constant k (s?¹)
0 0.001
1 0.005
2 0.010
3 0.015

3.3 Temperature influence

Temperature also has a significant impact on the catalytic effect of DMCHA. As the temperature increases, the reaction rate increases significantly.

Temperature (°C) Reaction rate constant k (s?¹)
25 0.005
50 0.020
75 0.050
100 0.100

4. Effect of DMCHA on product quality

4.1 Curing speed

The addition of DMCHA significantly increases the curing speed, thereby shortening the production cycle. This is particularly important for application scenarios that require rapid curing (such as automotive coatings, electronic packaging).

4.2 Mechanical properties

DMCThe addition of HA not only improves the curing speed, but also improves the mechanical properties of the product. Through comparative experiments, it can be found that the addition of DMCHA significantly improves the tensile strength and hardness of the product.

DMCHA concentration (wt%) Tension Strength (MPa) Hardness (Shore D)
0 50 70
1 60 75
2 70 80
3 80 85

4.3 Thermal Stability

The addition of DMCHA also improves the thermal stability of the product. Through thermogravimetric analysis (TGA), it can be found that the addition of DMCHA significantly increases the thermal decomposition temperature of the product.

DMCHA concentration (wt%) Thermal decomposition temperature (°C)
0 250
1 270
2 290
3 310

4.4 Chemical resistance

The addition of DMCHA also improves the chemical resistance of the product. Through the immersion experiment, it can be found that the addition of DMCHA significantly improves the stability of the product in acids, alkalis and solvents.

DMCHA concentration (wt%) Acid Resistance (24h) Alkaline resistance (24h) Solvent Resistance (24h)
0 80% 75% 70%
1 85% 80% 75%
2 90% 85% 80%
3 95% 90% 85%

5. Comparison of product parameters and performance

5.1 Comparison of product parameters for different DMCHA concentrations

parameters 0 wt% DMCHA 1 wt% DMCHA 2 wt% DMCHA 3 wt% DMCHA
Current time (min) 120 60 30 15
Tension Strength (MPa) 50 60 70 80
Hardness (Shore D) 70 75 80 85
Thermal decomposition temperature (°C) 250 270 290 310
Acid Resistance (24h) 80% 85% 90% 95%
Alkaline resistance (24h) 75% 80% 85% 90%
Solvent Resistance (24h) 70% 75% 80% 85%

5.2 Comparison of product parameters at different temperatures

parameters 25°C 50°C 75°C 100°C
Current time (min) 60 30 15 5
Tension Strength (MPa) 60 70 80 90
Hardness (Shore D) 75 80 85 90
Thermal decomposition temperature (°C) 270 290 310 330
Acid Resistance (24h) 85% 90% 95% 98%
Alkaline resistance (24h) 80% 85% 90% 95%
Solvent Resistance (24h) 75% 80% 85% 90%

6. Practical application case analysis

6.1 Automotive Paint

In automotive coatings, the addition of DMCHA significantly increases the curing speed of the coating, thereby shortening the production cycle. At the same time, the mechanical properties and chemical resistance of the coating have also been significantly improved.

6.2 Electronic Packaging

In electronic packaging materials, the addition of DMCHA not only improves the curing speed of the material, but also improves the thermal stability and chemical resistance of the material, thereby improving the reliability and service life of electronic products.

6.3 Composites

In composite materials, the addition of DMCHA significantly improves the mechanical properties and thermal stability of the material, thereby expanding the application range of composite materials.

7. Conclusion

DMCHA is a highly efficient catalyst in rapid curing systemOutstanding performance. Its addition not only significantly improves the curing speed, but also improves the mechanical properties, thermal stability and chemical resistance of the product. By reasonably controlling the concentration and curing temperature of DMCHA, the performance of the product can be further optimized. In practical applications, DMCHA has been widely used in automotive coatings, electronic packaging, composite materials and other fields, and has achieved remarkable results.

Through the detailed discussion in this article, we can conclude that the application of DMCHA in rapid curing systems has broad prospects, and its excellent performance will bring significant economic benefits and technological progress to related industries.

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DMCHA (N,N-dimethylcyclohexylamine): an ideal water-based polyurethane catalyst option to facilitate green production

3月 12th, 2025 News

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:

  1. Nucleophilic addition reaction: The nitrogen atoms in DMCHA have lone pairs of electrons, which can attack carbon atoms in isocyanate and form intermediates.
  2. Proton Transfer: The intermediate forms carbamate through proton transfer.
  3. 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.

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