Patent ID: 6270884
Filing Date: 2001-08-07
Classification: C09D,Y10T

Abstract:
A stable and water-reducible, chrome-free and resin-free coating composition for application to, and heat curing on, a substrate for providing corrosion protection thereto, said composition comprising:(A) water in an amount supplying from about 20 to about 70 weight percent of said coating composition;(B) low-boiling organic liquid;(C) particulate metal;(D) water-reducible, organofunctional silane binding agent containing alkoxy groups, which silane binding agent contributes from about 3 to about 20 weight percent of said coating composition; and(E) wetting agent;and with the proviso that said coating composition has a molar ratio of water to silane alkoxy groups of greater than 4.5:1.