摘要 |
A rinse solution for the treatment of conversion-coated metal substrates for improving the adhesion and corrosion resistance of siccative coatings, comprising an aqueous solution of zirconium ion and an organosilane selected from the group consisting of 3-glycidoxypropyloxytrimethoxysilane, methyltrimethoxysilane, gamma -methacryloxytrimethoxysilane, phenyltrimethoxysilane, and mixtures thereof, with the zirconium ion concentration selected to provide a pH about 2.0 to 9.0. A method for treating such materials by applying the rinse solution to the substrate.
|