Epoxy Resins CAS 61788-97-4 38891-59-7 EP

Epoxy Resins

CAS 61788-97-4 38891-59-7

All the polymer compounds containing epoxy group in molecular structure are called epoxy resin. The cured epoxy resin has good physical and chemical properties. It has excellent bonding strength to the surface of metal and non-metal materials, good dielectric properties, small variable shrinkage, good dimensional stability of products, high hardness, good flexibility, and stability to alkali and most solvents. Therefore, it is widely used in various departments of national defense and national economy for pouring, impregnation, laminating materials Adhesive, coating and other applications. Epoxy resin has been studied since 1958 in China, and it has been put into industrial production at a very fast speed. Up to now, it has developed vigorously all over the country. In addition to the production of ordinary bisphenol a-epichlorohydrin epoxy resin, various types of new epoxy resin are also produced to meet the urgent needs of national defense construction and national development and economic departments. The preparation methods of epoxy resin are as follows: reaction of active hydrides with epichlorohydrin, liquid-phase oxidation of double bond by hydrogen peroxide or peracetic acid (for example, peracetic acid), air oxidation of double bond compounds.

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