Nylon 65 salt is prepared from equimolar glutaric acid and hexamethylene diamine,and it can be used as a monomer to synthesize nylon 65 by polymerization.Organic solvent crystallization method and aqueous solution method are the main methods for preparing nylon 65 salt.The preparation method of nylon 65 includes interfacial polycondensation,melt polycondensation and other methods.The preparation methods of nylon 65 salt and nylon 65 were reviewed.Development trends and application prospects were analyzed and prospected.
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