abstract |
(57) [Summary] [Object] To obtain a polyphenylene ether resin composition exhibiting excellent low thermal expansion coefficient properties, toughness, dielectric properties, mechanical properties, chemical resistance and heat resistance after curing. [Structure] A polyphenylene ether resin obtained within a predetermined composition range, containing a reaction product of polyphenylene ether, an unsaturated carboxylic acid and an acid anhydride, triallyl (iso) cyanurate, silica and a hydrogenated block copolymer as essential components. Composition. |