Polyphenylene resin composition forming a fire resistant halogen-free insulating film for electrical and electronic parts and instruments comprises a polyphenylene ether resin, a phosphoric acid ester, and a dispersed substance

摘要

A polyphenylene resin composition comprising: (i) a polyphenylene ether resin, (ii) a phosphoric acid ester, and (iii) a dispersed substance with an aspect ratio of at least 2 is new. Independent claims are included: (1) for a fire resistant insulated film containing (i)-(iii) as above; and (2) a fire resistant insulated film of thickness not exceeding 0.5 mm.