Patent ID: 9288904
Filing Date: 2016-03-15
CPC Classification: 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 isocyanate ester modified epoxy resin, dicyclopentadiene epoxy resin, and biphenyl novolac epoxy resin; (B) 20 to 70 parts by weight of benzoxazine resin, wherein the benzoxazine resin is bisphenol A benzoxazine resin, bisphenol F benzoxazine resin, or their combination; (C) 10 to 15 parts by weight of diallylbisphenol A resin; and (D) an amine curing agent, wherein the amine curing agent is 1 to 13 parts by weight of one selected from the group consisting of diamino diphenyl sulfone (DDS) and diamino diphenyl methane (DDM), or wherein the amine curing agent is 1 to 1.5 parts by weight of dicyandiamide (DICY).