Patent ID: 6613818
Filing Date: 2003-09-02
Classification: C03C,C08K

Abstract:
A coating composition for preparing a back coating film of a mirror, the mirror having a glass substrate, a silver mirror film that comprises silver and is formed on a back surface of the glass substrate, a metallic protective film that comprises a first metal and is formed on the silver mirror film, and the back coating film formed on the metallic protective film, the coating composition being substantially free of a lead component and comprising:a vehicle containing a synthetic resin; a first salt formed by a neutralization of an acid with a base containing a second metal having an ionization tendency that is greater than the silver and the first metal, said acid being one compound selected from the group consisting of organic acids each containing an azole ring and unsubstituted and substituted carbamic acids; and a basic compound selected from the group consisting of azoles and diamines.