abstract |
【Task】 Providing a halogen-free flame-retardant resin composition with improved curability, water absorption, heat resistance during moisture absorption and insulation reliability in a cyanate ester resin composition for printed wiring board materials A resin composition comprising, as essential components, a cyanate ester resin obtained by condensation polymerization of a naphthol aralkyl resin and cyanic acid, a non-halogen epoxy resin, and an inorganic filler. [Selection] None |