| 摘要 |
PROBLEM TO BE SOLVED: To provide a resin composition excellent in dielectric characteristics, thermal resistance of cured product, shock resistance and desmear property, having low viscosity when formed into a varnish, further not containing halogens and having high flame resistance.SOLUTION: A resin composition contains (A) a polyarylene ether polymer having a phenolic hydroxyl group equivalence of 500 to 1500 at a molecular terminal, (B) an epoxy resin, (C) a three dimensionally crosslinked core shell fine particle having a rubber-based core and an acrylic shell and an average particle size of 1 μm or less, (D) at least one kind each of a resin dissolution type phosphorus-based flame retardant and a resin non-dissolution and dispersion type phosphorus-based flame retardant as phosphorus-based flame retardants, and (E) imidazole and a metallic soap as cure catalysts. |
