Crosslinking top coat for metallic island coating systems

摘要

A metallized article comprising: a) a substrate; b) a polyurethane basecoat disposed upon said substrate; c) a layer of electrically discrete metallic islands of a corrosion prone metal disposed on the surface of said basecoat; d) a polyurethane top coat, containing an organosilane, wherein the top coat is disposed on and encapsulates the discrete metallic islands, and wherein the top coat is bound to the metallic islands.