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Views: 0 Author: Site Editor Publish Time: 2025-05-30 Origin: Site
4,4'-Methylene bis(2-chloroaniline) CAS: 101-14-4, is a solid substance, usually in the form of crystals or powder. It has certain solubility characteristics in some organic solvents, but is relatively insoluble in water. As an important curing agent for epoxy resin, it can react with epoxy groups to form cross-linked structures, thereby enhancing the mechanical properties, heat resistance and chemical resistance of epoxy resin-based materials. This makes it widely used in the production of coatings, adhesives and composite materials. For instance, in the coating of metal surfaces, it can enhance the adhesion and durability of the coating.
In addition, 4,4'-Methylene bis(2-chloroaniline) can also participate in some organic synthesis reactions to prepare special performance materials with specific functions, which have unique electrical and thermal properties.
Efficiently crosslinks polyurethane prepolymers to enhance material strength, hardness, and heat resistance, ideal for high-load applications.
Exhibits excellent melt fluidity and controllable reaction speed, suitable for casting processes and meeting diverse production efficiency requirements.
Imparts high mechanical strength, chemical resistance, and aging resistance to polyurethanes, making them suitable for dynamic loads, corrosive environments, and outdoor use.
Compatible with various chain extenders, additives, and polyols, enabling flexible adjustment of material performance.
Offers high cost-performance and a mature supply chain, making it suitable for large-scale industrial applications.
4,4'-Methylene bis(2-chloroaniline) (MOCA) is an aromatic amine compound. It participates in chemical reactions by virtue of its amino groups. In polyurethane synthesis, it reacts with isocyanate groups in a stoichiometric manner. Through this reaction, it forms a cross - linked polymer structure, significantly enhancing the mechanical properties such as strength, hardness, and heat resistance of the polyurethane material. This chemical combination endows the resulting material with excellent performance suitable for various industrial applications.
| Assay, % | ≥99.0 |
| Melting point ℃ | ≥102 |
| Moisture, % | ＜0.1 |
| Color | ≤3 |
| Amine, mmol/g | 7.4-7.6 |
| Appearance | White flake |
4,4'-Methylene bis(2-chloroaniline) (MOCA) is a high-performance aromatic diamine compound widely used in the polymer industry. Renowned for its exceptional reactivity and versatility, MOCA serves as a crucial curing agent and chain extender. Its unique molecular structure endows it with the ability to react with isocyanates, facilitating the formation of robust and durable polyurethane polymers.
MOCA exhibits excellent thermal stability, enabling the produced polyurethane materials to maintain mechanical strength and integrity under elevated temperatures. It significantly enhances the hardness, tensile strength, and abrasion resistance of polymers, making them suitable for demanding applications. In the manufacturing of high-performance elastomers, MOCA contributes to the creation of products with superior load-bearing capacity and resistance to deformation.
Moreover, MOCA plays a pivotal role in the production of coatings, adhesives, and sealants. Its incorporation improves the adhesion properties, chemical resistance, and overall durability of these materials. Whether in the automotive, construction, or industrial sectors, MOCA-based polymers offer reliable performance and extended service life, meeting the stringent requirements of modern engineering and manufacturing.
4,4'-Methylene bis(2-chloroaniline) is a core raw material in the field of high-performance materials. With its outstanding reactivity and stable quality, it can significantly enhance the strength and durability of polyurethane products and is widely used in multiple key fields such as aerospace, automotive manufacturing, and industrial sealing.
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