Patent ID: 6403229
Filing Date: 2002-06-11
Classification: B32B,C08G,C08L,H05K,Y10T

Abstract:
A laminate structure comprising a metal foil and at least one cured composition layer disposed on at least one surface of the metal foil, wherein the cured composition layer comprises a reaction product of (a) at least one compound selected from the group consisting of cyanate esters and cyanate ester prepolymers, (b) a flame retardant which is substantially toluene soluble and substantially free of hydroxy residues in the cured state; and (c) a curing catalyst, wherein the curing catalyst is a combination of (I) at least one phenol-containing compound, and (II) at least one compound selected from the group consisting of a metal carboxylate salt and a metal acetylacetonate salt, where the metal of the salt is selected from the group consisting of zinc, copper, manganese, cobalt, iron, nickel, aluminum, and mixtures thereof.