Patent ID: 9238733
Filing Date: 2016-01-19
CPC Classification: B32B,C08G,C08J,C08L,H05K,Y10T

Claim Text:
1. A halogen-free resin composition, comprising: (A) 100 parts by weight of epoxy resin, wherein the epoxy resin is at least one selected from the group consisting of phenol novolac epoxy resin, dicyclopentadiene epoxy resin and biphenyl novolac epoxy resin or their combination; (B) 20 to 50 parts by weight of benzoxazine resin, wherein the benzoxazine resin is bisphenol A benzoxazine resin, bisphenol F benzoxazine resin, or their combination; (C) 15 to 60 parts by weight of styrene-maleic anhydride copolymer, wherein a styrene to maleic anhydride ratio of the styrene-maleic anhydride copolymer is selected from 3/1, 4/1 or their combination; and (D) 15 to 90 parts by weight of dicyclopentadiene phenol novolac resin.