ADHESIVE FOR COPPER FOIL FOR COPPER-CLAD LAMINATE

摘要

PURPOSE:To provide the subject adhesive using a prepreg impregnated with a phenolic resin, having excellent soldering heat-resistance and peel strength and composed of a composition containing a cresol novolak epoxy resin, etc., a phenoxy resin and dicyandiamide as a hardener. CONSTITUTION:The objective adhesive is composed of a composition produced by compounding a cresol novolak or alicyclic epoxy resin with a phenoxy resin, a dicyandiamide as a hardener and preferably further imidazole as a cure accelerator and a combination of imidazole and a urea-base accelerator as a urea- base accelerator.