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以聚乙烯醇缩丁醛和苯并三氮唑为主要成分研制的防变色处理剂,在黄铜表面形成的保护膜经X射线光电子能谱(XPS)分析,表明该膜有多层结构,苯并三氮唑在其中起交联偶合作用,保护膜厚为3～5μm。
The protective film formed on the surface of brass by X-ray photoelectron spectroscopy (XPS) analysis shows that the film has a multi-layer structure with the anti-discoloration treatment agent developed by using polyvinyl butyral and benzotriazole as main components. Benzotriazole in which cross-coupling effect, the protective film thickness of 3 ~ 5μm.