Patent ID: 9169346
Filing Date: 2015-10-27
Classification: B32B,C08G,C08J,C08K,C08L,H05K,Y10T

Abstract:
1. An epoxy resin varnish for making a laminate comprising: (a) an epoxy resin; (b) a curing agent; (c) a coupling agent; (d) a catalyst; (e) an inorganic filler; and (f) a solvent, wherein the amount of the inorganic filler is from about 12.5 parts to 20 parts by weight, based on 100 parts by weight of the epoxy resin, wherein the amount of the curing agent is from 15 parts to about 35 parts by weight, based on 100 parts by weight of the epoxy resin, and wherein the inorganic filler has a water content of less than about 2 wt. %; and wherein the epoxy resin varnish contains no other inorganic fillers.