Patent ID: 8715453

Claim:
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 R 1 R 2 R 3 R 4 N + HCO 3 − I wherein each of R1, R2, R3, and R4 are independently alkyl, phenyl, alkylbenzene, or alkoxy.