| abstract |
The epoxy resin composition which has as an essential component the (A) epoxy resin which has a structure represented by following General formula (1), (B) hardening | curing agent, and (C) inorganic filler, (D) cyanate resin, and / or its prepolymer.n n n n n n n n (Wherein Ar represents a condensed cyclic aromatic hydrocarbon group, r is an integer of 1 or more. X is hydrogen or an epoxy group (glycidyl ether group), R 1 is hydrogen, a methyl group, an ethyl group, a propyl group, a butyl group, a phenyl group) And 1 type selected from among benzyl groups, n is an integer of 1 or more, p and q are an integer of 1 or more, and the values of p and q may be the same or different for each repeating unit.) |