LIQUID THERMOSETTING RESIN COMPOSITION, PREPREG AND METAL-CLAD LAMINATE

摘要

<P>PROBLEM TO BE SOLVED: To provide an epoxy resin composition using a cyclic phenoxyphosphazene compound excellent in varnish stability as a flame retardant, and to provide a prepreg and a copper-clad laminate. Ž<P>SOLUTION: A thermosetting resin composition is used containing, as a flame retardant, a cyclic phenoxyphosphazene compound which is substituted by a group selected from a substituent represented by formula (II), cyanic ester-substituted phenoxide and methyl-substituted phenoxide and which is liquid at ordinary temperature. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž