Patent ID: 8715453
Filing Date: 2014-05-06
Classification: B32B,C08G,C09D,H05K

Abstract:
1. A method for preparing a multilayer article comprising contacting a film or sheet having a coating to an article having a surface such that said coating is disposed between said film or sheet and said surface, thereby forming an unconsolidated multilayer article; applying heat and pressure to said multilayer article thereby forming a consolidated multilayer article, said coating comprising an uncured epoxy composition comprising a combination of an uncured epoxy, a phenolic curing agent, and a quaternary ammonium bicarbonate, wherein said uncured epoxy is advanced to 45 to 85% cure; and, wherein said quaternary ammonium bicarbonate is represented by Structure I wherein each of R1, R2, R3, and R4 are independently alkyl, phenyl, alkylbenzene, or alkoxy.