The epoxy resin composition and then are obtained the seat and the prepreg condition material which, the metallic foil attaching seat and the laminate, electric insulated material charge, possesses

摘要

PROBLEM TO BE SOLVED: To obtain an epoxy resin composition affording an epoxy resin cured product having a high glass transition temperature, a low dielectric dissipation factor and high flame retardance and having excellent solubility in organic solvents as a curing agent.;SOLUTION: The epoxy resin composition consists essentially of a polyester (A) of a specific structure having an aryloxycarbonyloxy group at the molecular chain terminal and composed of an aromatic polyvalent carboxylic acid residue and an aromatic polyhydric hydroxy compound residue, an epoxy resin (B), a curing accelerator (C), a flame retardant (D) and an organic solvent (E).;COPYRIGHT: (C)2005,JPO&NCIPI