发明授权
US09034473B2 Method for passivating a metallic surface with a basic composition 有权
用碱性组合物钝化金属表面的方法

Method for passivating a metallic surface with a basic composition
摘要:
A method for passivating a metallic surface, by treating the surface with a basic aqueous composition comprising one polymer comprising acidic groups, a cationic crosslinker and a volatile basic compound, allows a durable passivation of fragile metal surfaces.
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