Patent ID: 7638198
Filing Date: 2009-12-29
Classification: C08G,C09D,Y10T

Abstract:
1. A multilayer coating film obtained by forming a base coating film layer, a silver-plating layer and a clear coating film layer in succession on plastic substrate, wherein said clear coating film layer comprises a clear coating composition being a two-package polyurethane coating composition comprising a main material containing acrylic polyol and a curing agent containing a polyisocyanate compound, the equivalence ratio of an NCO group in said polyisocyanate compound to an OH group in said acrylic polyol (NCO/OH) ranges from 0.8/1 to 1.2/1 and the clear coating composition contains a rust preventive agent in the proportions of 1.0 to 13.0 parts on a basis of solids weight with respect to 100 parts by weight of the total of the acrylic polyol and the rust preventive agent; wherein said rust preventive agent is a fatty acid amide compound.