Patent ID: 6329474
Filing Date: 2001-12-11
Classification: C08G,C08L,H01B,H01L,H05K,Y10T

Abstract:
An epoxy resin composition for a printed wiring board, comprising (a) an epoxy resin obtained by epoxidizing a condensation product of a phenol with a hydroxybenzaldehyde, (b) a condensation product of bisphenol A with formaldehyde, (c) at least one flame retardant, and (d) a curing accelerator which is an imidazole having an imino group masked with acrylonitrile, an isocyanate or melamine acrylate, wherein the composition contains 0.01 to 5 parts by weight of the curing accelerator (d) per 100 parts by weight of the epoxy resin (a).