Patent ID: 6991833
Filing Date: 2006-01-31
Classification: C09D

Abstract:
1. A method of forming a multilayer paint coating on a substrate, the method comprising: applying a photocurable primer composition to said substrate to form an uncured primer coating; curing said uncured primer coating with sufficient ultraviolet (UV) light to form a cured primer coating; applying a photocurable basecoat paint composition to the cured primer coating to form an uncured basecoat coating; curing said uncured basecoat coating with sufficient light to form a cured basecoat coating; applying a photocurable topcoat paint composition to the cured basecoat coating to form an uncured topcoat coating, the topcoat paint composition comprising: at least one aliphatic urethane acrylated oligomer present in an amount of about 20% to 30% by weight of the topcoat paint composition; an acrylated epoxy oligomer present in an amount of about 8% to 16% by weight of the topcoat paint composition; an isobornyl acrylate monomer present in an amount of about 40% to 60% by weight of the topcoat paint composition; a UV absorber; a light stabilizer; and a photoinitiator present in an amount of about 2% to 8% by weight of the topcoat paint composition; and curing said uncured topcoat coating with sufficient light to form a cured topcoat coating.