HARDENER COMPOSITION FOR EPOXY RESINS

摘要

A HARDENER COMPOSITION USEFUL FOR CURING EPOXY RESINS INCLUDING A BLEND OF (A) A CARBOXYLIC ANHYDRIDE WHICH IS A COPOLYMER OF AN ETHYLENICALLY UNSATURATED ANHYDRIDE AND A VINYL COMPOUND; (B) A COPOLYMER OF AN ETHYLENICALLY UNSATURATED ANHYDRIDE AND AN ELASTOMER; AND OPTIONALLY (C) A STABILIZING AGENT SUCH AS A BLOCK COPOLYMER TO PREVENT PHASE SEPARATION OF COMPONENTS (A) AND (B). THE HARDENER COMPOSITION IS PARTICULARLY USEFUL IN ELECTRICAL LAMINATES APPLICATIONS.