Patent ID: 6361866
Filing Date: 2002-03-26
Classification: C08G,C08L,H05K,Y10S,Y10T

Abstract:
A prepreg formed of a resin composition comprising, as essential components, a phenol compound (I) having a structural unit of the formula (1), wherein R1 is hydrogen or phenol, R2 is a hydrogen or methyl and n is an integer of 0 to 10, an epoxy resin (II) prepared by epoxidizing the same phenol compound as said phenol compound, a metal hydrate (III) and a molybdenum compound (IV), and a substrate which is impregnated with said resin composition or to which said resin composition is applied, wherein the resin composition has a metal hydrate (III) content of 50 to 150 parts by weight per 100 parts by weight of the total of the epoxy resin (II) and the phenol compound (I).