Invention Application
WO2006110328A1 NO-RINSE PRETREATMENT METHODS AND COMPOSITIONS FOR METAL SURFACES 审中-公开
金属表面的无冲击预处理方法和组合物

NO-RINSE PRETREATMENT METHODS AND COMPOSITIONS FOR METAL SURFACES
Abstract:
Conversion and passivation coatings and methods for metal surfaces such as steel and aluminum are disclosed. The coating compositions comprise an aqueous sol of cerium oxide and/or silica particles and a ureido silane compound. The methods of the invention comprise contacting the requisite metal surface with the coating composition.
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