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.
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.
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.
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.
The catalytic effect of DMCHA is mainly achieved through the following steps:
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.
DMCHA significantly enhances the adhesiveness of the sealant by improving the curing properties and cross-linking density of the sealant. Specifically, DMCHA can:
DMCHA can also improve its weather resistance by adjusting the molecular structure of the sealant. Specifically, DMCHA can:
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. |
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.
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.
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.
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:
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.
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With the rapid development of the construction industry, the demand for waterproof materials is growing. Traditional waterproof materials have many shortcomings in performance, environmental protection and construction convenience. In recent years, N,N-dimethylcyclohexylamine (DMCHA) has made breakthrough progress in the field of waterproof materials as a new chemical additive. This article will introduce in detail the characteristics of DMCHA, its application in waterproof materials, product parameters and future development directions.
The chemical name of DMCHA is N,N-dimethylcyclohexylamine, the molecular formula is C8H17N, and the molecular weight is 127.23. Its structure is:
CH3
|
C6H11-N-CH3
Properties | value |
---|---|
Appearance | Colorless to light yellow liquid |
Density | 0.85 g/cm3 |
Boiling point | 160-162°C |
Flashpoint | 45°C |
Solution | Easy soluble in organic solvents, slightly soluble in water |
DMCHA has the following chemical properties:
DMCHA is mainly used as a catalyst and a crosslinker in waterproof coatings. Its mechanism of action is as follows:
parameters | value |
---|---|
Current time | 2-4 hours |
Water resistance | >96 hours |
Tension Strength | >10 MPa |
Elongation | >300% |
Weather resistance | >1000 hours |
DMCHA is mainly used as a plasticizer and stabilizer in waterproof coils. Its mechanism of action is as follows:
parameters | value |
---|---|
Thickness | 1.5-2.0 mm |
Tension Strength | >15 MPa |
Elongation | >400% |
Heat resistance | >120°C |
Dropping resistance | <-40°C |
DMCHA is mainly used as a dispersant and reinforcer in waterproof mortar. Its mechanism of action is as follows:
parameters | value |
---|---|
Compressive Strength | >30 MPa |
Fracture Strength | >6 MPa |
Water absorption | <5% |
Water resistance | >72 hours |
Weather resistance | >500 hours |
DMCHA is a low-toxic and low-volatility chemical that meets the environmental protection requirements of modern building materials. It will not produce harmful gases during its use and are friendly to construction workers and the environment.
DMCHA can significantly improve the construction performance of waterproof materials, such as shortening curing time, improving the leveling of the paint, enhancing the flexibility of the coil, etc., thereby reducing construction difficulty and cost.
DMCHA can significantly improve the performance indicators of waterproof materials, such as water resistance, weather resistance, mechanical strength, etc., so that it can maintain good waterproofing effect in harsh environments.
The future DMCHA will not only be limited to a single function in waterproof materials, but will develop towards multifunctionality. For example, DMCHA modified waterproof materials with functions such as self-healing, antibacterial, and antistatic.
With the development of smart materials, DMCHA is expected to combine with smart materials to develop intelligent waterproof materials with induction and response functions. For example, smart coatings that can automatically adjust waterproofing performance based on environmental humidity.
In the future, DMCHA will pay more attention to green and environmental protection, develop more environmentally friendly and degradable DMCHA derivatives to reduce environmental pollution.
DMCHA, as a new chemical additive, has shown great application potential in the field of waterproof materials. Its excellent catalytic, crosslinking, plasticizing, dispersing and other properties have significantly improved the performance indicators of waterproof materials. In the future, with the continuous advancement of technology, DMCHA will make more breakthroughs in multifunctionalization, intelligence, greening, etc., bringing more innovation and changes to the construction waterproofing industry.
The above content introduces the breakthrough progress and application of DMCHA in the field of waterproof materials in detail, covering its basic characteristics, application fields, product parameters and future development directions. Through the form of tables and data, the content is more intuitive and easy to understand. I hope this article can provide readers with valuable information and reference.
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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.
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.
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 |
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.
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.
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:
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 |
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 |
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 |
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.
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.
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.
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.
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.
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.
DMCHA production is mainly achieved through the methylation reaction of cyclohexylamine and formaldehyde. Specific processes include:
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 |
The following safety and environmental protection matters should be paid attention to during the production and use of DMCHA:
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.
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.
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.
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.
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In modern chemical production, odor problems have always been an important factor that plagues enterprises and the environment. Odor not only affects the working environment, but may also pose a threat to employee health and even cause environmental pollution problems. N,N-dimethylcyclohexylamine (DMCHA) is a commonly used organic compound and is widely used in polyurethane foams, coatings, adhesives and other fields. However, DMCHA will also produce a certain odor during the production process. This article will discuss in detail the effective strategies of DMCHA to reduce odor during production, helping enterprises improve their working environment while improving their production efficiency.
The chemical formula of DMCHA is C8H17N and the molecular weight is 127.23 g/mol. It is a colorless to light yellow liquid with a typical amine odor.
DMCHA is a strongly basic compound that can react with acid to form salts. It is easy to oxidize in the air and produces corresponding oxides.
The raw materials for producing DMCHA may contain a small amount of impurities, which will produce odors during the reaction.
During the synthesis of DMCHA, some by-products may be generated, such as amines, aldehydes, etc., which have a strong odor.
DMCHA may react with oxygen in the air during storage and transportation to produce oxides with odor.
By improving productionProcess reduces the generation of by-products and thus reduces odor.
Select the appropriate catalyst to improve the reaction efficiency and reduce the occurrence of side reactions.
Add deodorants are added during the production process to neutralize or adsorb odor substances.
DMCHA is stored and transported in airtight containers to reduce contact with air and prevent oxidation reactions.
Reduce side reactions by precisely controlling the reaction temperature. For example, controlling the reaction temperature at 150-160°C can effectively reduce the generation of by-products.
Appropriately extend the reaction time to ensure that the raw materials are fully reacted and reduce the residue of unreacted raw materials.
Pretreat the raw materials to remove impurities and reduce the source of odor.
Select efficient and selective catalysts, such as precious metal catalysts such as platinum and palladium, to improve the reaction efficiency.
Reasonably control the amount of catalyst to avoid excessive use and increase side reactions.
Commonly used deodorants include activated carbon, silicone, molecular sieve, etc., which can effectively adsorb odor substances.
Disper the deodorant evenly in the reaction system or add it during product storage.
Storage and transport DMCHA using airtight containers to reduce air contact.
In storage and transportation, use inert gases (such as nitrogen) to prevent oxidation reactions.
parameter name | value |
---|---|
Molecular Weight | 127.23 g/mol |
Boiling point | 165-167°C |
Density | 0.85 g/cm3 |
Flashpoint | 45°C |
Solution | Easy soluble in organic solvents |
Types of deodorants | Adsorption efficiency | Cost | Applicable scenarios |
---|---|---|---|
Activated Carbon | High | Low | Widely applicable |
Silicone | in | in | Specific Scenario |
Molecular sieve | High | High | High-end applications |
The company uses DMCHA as a catalyst during production, but due to the many side reactions, it leads to serious odor problems. By optimizing the production process, controlling the reaction temperature and reaction time, and adding activated carbon deodorant, the odor was successfully reduced by 80%.
The company caused odor problems due to contact with air during storing and transporting DMCHA. By using airtight containers and inert gas protection, the generation of odor is effectively reduced.
The odor problems generated by DMCHA during the production process can be effectively solved by strategies such as optimizing the production process, using efficient catalysts, adding deodorants and improving storage and transportation conditions. In actual applications, enterprises should choose appropriate strategies based on specific circumstances to improve production efficiency, improve working environment, and reduce environmental pollution. Through the detailed analysis and actual cases in this article, I believe that readers have a deeper understanding of the effective strategies of DMCHA in reducing odor in the production process.
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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.
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.
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 |
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.
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.
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} ]
parameters | value |
---|---|
Purification efficiency | Above 95% |
Applicable area | 20-50 square meters |
Noise Level | <30 decibels |
Power consumption | 30-50 watts |
DMCHA can be used in the coating of smart curtains, decomposing harmful substances in the air through photocatalytic action, while regulating indoor light.
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} ]
parameters | value |
---|---|
Photocatalytic efficiency | Above 90% |
Applicable light intensity | 500-1000 lux |
Adjustment range | 0-100% |
Power consumption | 5-10 watts |
DMCHA can be used in sensors of intelligent temperature control systems, detect indoor air quality through chemical reactions, and automatically adjust temperature and humidity.
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} ]
parameters | value |
---|---|
Detection Accuracy | ±0.1°C |
Response time | <1 second |
Applicable temperature range | 0-50°C |
Power consumption | 1-2 watts |
DMCHA has efficient purification capabilities, which can quickly remove harmful substances from the air and provide a healthier indoor environment.
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.
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.
DMCHA has a low production cost and a long service life, which can effectively reduce the maintenance cost of smart home products.
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.
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.
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.
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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