The role of N,N-dimethylcyclohexylamine in automotive interior materials
Introduction
The choice of automotive interior materials is crucial to the overall performance, comfort and safety of the car. N,N-dimethylcyclohexylamine (N,N-Dimethylcyclohexylamine, referred to as DMCHA) plays an indispensable role in automotive interior materials as an important chemical substance. This article will introduce in detail the chemical properties of DMCHA, its application in automotive interior materials, product parameters and its impact on automotive performance.
1. Chemical properties of N,N-dimethylcyclohexylamine
1.1 Chemical structure
N,N-dimethylcyclohexylamine is an organic compound with a chemical formula of C8H17N. It consists of a cyclohexane ring and two methyl groups attached to the nitrogen atom of the cyclohexane ring.
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, slightly soluble in water |
1.3 Chemical Properties
DMCHA is a basic compound with good stability and reactivity. It can react with a variety of organic and inorganic compounds to produce various derivatives.
2. Application of N,N-dimethylcyclohexylamine in automotive interior materials
2.1 Polyurethane foam
DMCHA is used as a catalyst in the production of polyurethane foam. Polyurethane foam is widely used in interior parts such as car seats, headrests, and armrests.
2.1.1 Catalysis
DMCHA can accelerate the reaction between isocyanate and polyol and promote the formation of polyurethane foam. Its catalytic efficiency is high and can significantly shorten the reaction time.
2.1.2 Foam properties
Polyurethane foam using DMCHA as catalyst has the following advantages:
- High elasticity: The foam has good resilience and provides a comfortable riding experience.
- Low density: Low foam density, reduces the weight of the car and improves fuel efficiency.
- Aging Resistance: Foam has good aging resistance and extends service life.
2.2 Adhesive
DMCHA is also widely used in adhesives for automotive interior materials. It can improve the adhesive strength and durability of the adhesive.
2.2.1 Adhesion Strength
DMCHA, as an additive to the adhesive, can significantly improve the bonding strength and ensure that the interior material will not fall off during long-term use.
2.2.2 Durability
DMCHA can enhance the heat and humidity resistance of the adhesive, so that it can maintain good bonding performance under high temperature and high humidity environments.
2.3 Paint
DMCHA is used as a curing agent in automotive interior coatings. It can accelerate the curing process of the coating and improve the hardness and wear resistance of the coating.
2.3.1 Curing speed
DMCHA can significantly shorten the curing time of the coating and improve production efficiency.
2.3.2 Coating properties
Coatings using DMCHA as curing agent have the following advantages:
- High hardness: The coating is hard and resistant to scratches.
- Abrasion Resistance: The coating has good wear resistance and extends its service life.
- Gloss: The coating has a high gloss and improves the aesthetics of the interior.
3. Product parameters
3.1 DMCHA product specifications
| parameters | value |
|---|---|
| Purity | ≥99% |
| Appearance | Colorless transparent liquid |
| Moisture | ≤0.1% |
| Acne | ≤0.1 mg KOH/g |
| Storage temperature | 0-30°C |
3.2Polyurethane foam product parameters
| parameters | value |
|---|---|
| Density | 30-50 kg/m³ |
| Rounce rate | ≥60% |
| Tension Strength | ≥100 kPa |
| Tear Strength | ≥2 N/cm |
| Compression permanent deformation | ≤10% |
3.3 Adhesive product parameters
| parameters | value |
|---|---|
| Bonding Strength | ≥5 MPa |
| Heat resistance | ≥150°C |
| Wett resistance | ≥95% RH |
| Currecting time | ≤24 hours |
| Storage period | ≥6 months |
3.4 Coating product parameters
| parameters | value |
|---|---|
| Currecting time | ≤2 hours |
| Hardness | ≥2H |
| Abrasion resistance | ≤0.1 g/1000 cycles |
| Gloss | ≥90% |
| Storage period | ≥12 months |
4. Effect of DMCHA on automotive performance
4.1 Comfort
Polyurethane foam using DMCHA as catalyst has good elasticity and reboundSex, able to provide a comfortable ride. In addition, low-density foam reduces the weight of the car and improves fuel efficiency.
4.2 Security
DMCHA application in adhesives and coatings improves the bonding strength and durability of interior materials, ensuring that interior materials will not fall off in extreme situations such as collisions, and improves the safety of the car.
4.3 Environmental protection
DMCHA, as a highly efficient catalyst, can reduce energy consumption and waste emissions during production, and meet environmental protection requirements.
4.4 Economy
The efficient catalytic effect of DMCHA shortens production time, improves production efficiency, and reduces production costs. In addition, its excellent performance extends the service life of the interior materials, reduces the frequency of repairs and replacements, and further reduces the cost of use.
5. Future development trends
5.1 Green Chemistry
With the increase in environmental awareness, the production and application of DMCHA will pay more attention to green chemistry in the future. Reduce environmental impact by improving production processes and using renewable raw materials.
5.2 High-performance materials
In the future, DMCHA will be more used in the development of high-performance materials, such as high elasticity, high wear resistance polyurethane foams and adhesives, to meet the automotive industry’s demand for high-performance interior materials.
5.3 Intelligent application
With the development of intelligent technology, the application of DMCHA in intelligent interior materials will also be expanded. For example, developing polyurethane foams and adhesives with self-healing functions to improve the intelligence level of interior materials.
Conclusion
N,N-dimethylcyclohexylamine plays an important role in automotive interior materials. Its excellent chemical properties and wide application fields make it an indispensable part of automotive interior materials. By rationally selecting and using DMCHA, the performance of car interior materials can be significantly improved and the comfort, safety and economy of the car can be improved. In the future, with the development of green chemistry and high-performance materials, DMCHA’s application prospects in automotive interior materials will be broader.
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