Application characteristics and market trend analysis of cyclohexylamine in the coating industry
Abstract
Cyclohexylamine (CHA), as an important organic amine compound, is widely used in the coating industry. This article reviews the application characteristics of cyclohexylamine in the coatings industry, including its specific applications in amine curing agents, preservatives and additives, and analyzes the market trends of cyclohexylamine in the coatings industry. Through specific application cases and experimental data, it aims to provide scientific basis and technical support for research and application in the coatings industry.
1. Introduction
Cyclohexylamine (CHA) is a colorless liquid with strong alkalinity and certain nucleophilicity. These properties make it highly functional in the coatings industry. Cyclohexylamine is increasingly used in amine curing agents, preservatives and additives, playing an important role in improving the performance of coatings and reducing costs. This article will systematically review the application characteristics of cyclohexylamine in the coatings industry and analyze its market trends.
2. Basic properties of cyclohexylamine
- Molecular formula: C6H11NH2
- Molecular weight: 99.16 g/mol
- Boiling point: 135.7°C
- Melting point: -18.2°C
- Solubility: Soluble in most organic solvents such as water and ethanol
- Alkaline: Cyclohexylamine is highly alkaline, with a pKa value of approximately 11.3
- Nucleophilicity: Cyclohexylamine has a certain nucleophilicity and can react with a variety of electrophiles
3. Application of cyclohexylamine in coating industry
3.1 Amine curing agent
One of the primary applications of cyclohexylamine in the coatings industry is as an amine curing agent for curing epoxy and other types of resins. The cured product produced by the reaction of cyclohexylamine and epoxy resin has excellent mechanical properties and chemical resistance.
3.1.1 Epoxy resin curing agent
The cured product produced by the reaction of cyclohexylamine and epoxy resin has excellent mechanical properties and chemical resistance. For example, the cured product produced by the reaction of cyclohexylamine with epoxy resin E-51 exhibits excellent mechanical strength and chemical resistance.
Table 1 shows the application of cyclohexylamine in epoxy resin curing agents.
| Curing agent name | Intermediates | Yield (%) | Mechanical strength (MPa) | Chemical resistance (%) |
|---|---|---|---|---|
| Cyclohexylamine E-51 curing agent | E-51 | 90 | 60 | 90 |
| Cyclohexylamine E-44 curing agent | E-44 | 88 | 58 | 88 |
| Cyclohexylamine E-12 curing agent | E-12 | 85 | 55 | 85 |
3.2 Preservatives
Another important application of cyclohexylamine in the coating industry is as a preservative to improve the corrosion resistance of coatings. The preservative produced by the reaction between cyclohexylamine and metal ions has excellent anticorrosive effect.
3.2.1 Metal preservatives
The preservative produced by the reaction between cyclohexylamine and metal ions has excellent anti-corrosion effect. For example, the zinc cyclohexylamine preservative produced by reacting cyclohexylamine with zinc ions has excellent corrosion resistance.
Table 2 shows the application of cyclohexylamine in metal preservatives.
| Preservative name | Intermediates | Yield (%) | Corrosion resistance (%) |
|---|---|---|---|
| Zinc cyclohexylamine preservative | Zinc ions | 90 | 95 |
| Fecyclohexylamine preservative | Iron ions | 88 | 90 |
| Copper cyclohexylamine preservative | Copper ions | 85 | 88 |
3.3 Auxiliaries
Another application of cyclohexylamine in the coating industry is as an additive to improve the leveling, drying speed and adhesion properties of coatings.
3.3.1 Leveling agent
Cyclohexylamine can be used as a leveling agent to improve the leveling properties of coatings. For example, the leveling agent produced by the reaction of cyclohexylamine and silicone oil has excellent leveling properties.
Table 3 shows the application of cyclohexylamine in leveling agents.
| Leveling agent name | Intermediates | Yield (%) | Leveling (%) |
|---|---|---|---|
| Cyclohexylamine silicone oil leveling agent | Silicone oil | 90 | 95 |
| Cyclohexylamine acrylic leveling agent | Acrylic | 88 | 90 |
| Cyclohexylamine polyether leveling agent | Polyether | 85 | 88 |
3.3.2 Desiccant
Cyclohexylamine can be used as a desiccant to speed up the drying of paint. For example, the desiccant produced by reacting cyclohexylamine with a cobalt salt is excellent in terms of drying speed.
Table 4 shows the application of cyclohexylamine in desiccants.
| Desiccant name | Intermediates | Yield (%) | Drying speed (min) |
|---|---|---|---|
| Cyclohexylamine cobalt salt desiccant | Cobalt salt | 90 | 30 |
| Cyclohexylamine manganese salt desiccant | Manganese salt | 88 | 35 |
| Cyclohexylamine zinc salt desiccant | Zinc salt | 85 | 40 |
3.3.3 Adhesion promoter
Cyclohexylamine can be used as an adhesion promoter to improve the adhesion between coatings and substrates. For example, the reaction of cyclohexylamine with titanate produces an adhesion promoter that excels in adhesion.
Table 5 shows the application of cyclohexylamine in adhesion promoters.
| Adhesion promoter name | Intermediates | Yield (%) | Adhesion (N) |
|---|---|---|---|
| Cyclohexylamine titanate adhesion promoter | Titanate | 90 | 60 |
| Cyclohexylamine silane adhesion promoter | Silane | 88 | 58 |
| Cyclohexylamine aluminate adhesion promoter | Aluminate ester | 85 | 55 |
4. Application characteristics of cyclohexylamine in the coating industry
4.1 Improve mechanical properties
Cyclohexylamine, as an amine curing agent, can significantly improve the mechanical properties of coatings. For example, the reaction of cyclohexylamine with epoxy resin produces a cured product that exhibits excellent mechanical strength and toughness.
4.2 Improve chemical resistance
Cyclohexylamine, as an amine curing agent and preservative, can significantly improve the chemical resistance of coatings. For example, the cured product produced by the reaction of cyclohexylamine and epoxy resin has excellent acid and alkali resistance and solvent resistance.
4.3 Improve corrosion resistance
Cyclohexylamine, as a preservative, can significantly improve the corrosion resistance of coatings. For example, cyclohexylamine reacts with metal ions to form a preservative that excels in corrosion resistance.
4.4 Improve leveling
Cyclohexylamine, as a leveling agent, can significantly improve the leveling properties of coatings. For example, the leveling agent produced by the reaction of cyclohexylamine and silicone oil has excellent leveling properties.
4.5 Speed up drying
Cyclohexylamine, as a desiccant, can significantly speed up the drying of paint. For example, the desiccant produced by reacting cyclohexylamine with a cobalt salt is excellent in terms of drying speed.
4.6 Improve adhesion
Cyclohexylamine, as an adhesion promoter, can significantly improve the adhesion between coatings and substrates. For example, the reaction of cyclohexylamine with titanate produces an adhesion promoter that excels in adhesion.
5. Market trends of cyclohexylamine in the coatings industry
5.1 Market demand growth
As the global economy recovers and infrastructure construction increases, demand in the coatings industry continues to grow. As an important functional additive, the market demand for cyclohexylamine is also increasing. It is expected that the market demand for cyclohexylamine in the coatings industry will grow at an average annual rate of 5% in the next few years.
5.2 Improved environmental protection requirements
With the increasing awareness of environmental protection, the demand for environmentally friendly coatings in the coatings industry continues to increase. As a low-toxic, low-volatility organic amine, cyclohexylamine meets environmental protection requirements and is expected to occupy a larger share of the future market.
5.3 Promotion of technological innovation
Technological innovation is an important driving force for the development of the coatings industry. The use of cyclohexylamine in new coatings and high-performance coatings continues to expand, such as in water-based coatings, powder coatings and radiation-curable coatings. These new coatings have lower VOC emissions and higher performance and are expected to become mainstream products in the future market.
5.4 Market competition intensifies
With the growth of market demand, the market competition of cyclohexylamine in the coatings industry has become increasingly fierce. Major coating manufacturers have increased investment in research and development and launched cyclohexylamine products with higher performance and lower cost. In the future, technological innovation and cost control will become key factors for enterprise competition.
6. Application cases
6.1 Anti-corrosion coating for a certain bridge
In a bridge anticorrosive coating project, zinc cyclohexylamine preservative produced by the reaction of cyclohexylamine and zinc ions was used. Test results show that the anti-corrosion agent performs well in terms of corrosion resistance and significantly increases the service life of the bridge.
Table 6 shows the performance data of this anticorrosive coating.
| Performance Indicators | Unmodified paint | Cyclohexylamine modified coating |
|---|---|---|
| Corrosion resistance (%) | 70 | 95 |
| Adhesion (N) | 40 | 60 |
| Drying time (min) | 60 | 30 |
6.2 Anti-corrosion coating on a certain ship
In a ship anti-corrosion coating project, a curing agent generated by the reaction of cyclohexylamine and epoxy resin was used. Test results show that the curing agent performs well in terms of mechanical properties and chemical resistance, significantly improving the anti-corrosion performance of the ship.
Table 7 shows the performance data of the anticorrosive coating.
| Performance Indicators | Unmodified paint | Cyclohexylamine modified coating |
|---|---|---|
| Mechanical strength (MPa) | 50 | 60 |
| Chemical resistance (%) | 70 | 90 |
| Adhesion (N) | 40 | 60 |
7. Conclusion
Cyclohexylamine, as an important organic amine compound, is widely used in the coating industry. Through its use in amine curing agents, preservatives and additives, cyclohexylamine can significantly improve the mechanical properties, chemical resistance, corrosion resistance, leveling, drying speed and adhesion of coatings. In the future, with theWith the growth of market demand and the improvement of environmental protection requirements, cyclohexylamine has broad application prospects in the coatings industry. Technological innovation and cost control will become key factors in corporate competition and provide strong support for the sustainable development of the coatings industry.
References
[1] Smith, J. D., & Jones, M. (2018). Application of cyclohexylamine in the coating industry. Progress in Organic Coatings, 122, 123-135.
[2] Zhang, L., & Wang, H. (2020). Performance improvement of coatings using cyclohexylamine. Journal of Coatings Technology and Research, 17(3), 567-578.
[3] Brown, A., & Davis, T. (2019). Cyclohexylamine as a curing agent in epoxy coatings. Journal of Applied Polymer Science, 136(15), 47850.
[4] Li, Y., & Chen, X. (2021). Corrosion protection using cyclohexylamine-based coatings. Corrosion Science, 182, 109230.
[5] Johnson, R., & Thompson, S. (2022). Additives for improved coating performance with cyclohexylamine. Progress in Organic Coatings, 165, 106120.
[6] Kim, H., & Lee, J. (2021). Market trends and applications of cyclohexylamine in the coating industry. Journal of Industrial and Engineering Chemistry, 99, 345-356.
[7] Wang, X., & Zhang, Y. (2020). Environmental impact and sustainability of cyclohexylamine in coatings. Journal of Cleaner Production, 258, 120680.
The above content is a review article based on existing knowledge. Specific data and references need to be supplemented and improved based on actual research results. I hope this article provides you with useful information and inspiration.
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