Patent ID: 9145488
Filing Date: 2015-09-29
Classification: B32B,C08G,C08K

Abstract:
1. A composition comprising a) an epoxy resin, b) a cross linker comprising a phenolic cross linker and wherein the composition comprises from about 50 to about 150% of the stoichiometric amount of hydroxy groups needed to cure the epoxy resin, c) from 0.1 to 2 parts per hundred parts of epoxy resin of an aluminum phosphonate, phosphinate or phosphate salt cure inhibitor selected from compounds having the formula I: wherein X and Y are independently selected from C d) a phosphorus containing flame retardant comprising from about 10 to 50 wt % of one or more compounds of formula (i) from about 30 to 60 wt % of one or more compounds of formula (ii) from about 10 to 50 wt % of one or more compounds of formula (iii) and from 0 to about 10 wt % tri-phenyl phosphine oxide based on the combined weight of compounds of formula (i), (ii), (iii) and tri-phenyl phosphine oxide, wherein each R is independently hydrogen or an alkyl group containing from 1 to 6 carbon atoms, R