3价铬钝化国内外专利技术进展  

A Review of Patents in Trivalent Chromium Passivation

作　　者：潘瑞丽[1] 伍明华[1] 

机构地区：[1]华南理工大学化工与能源学院,广东广州510640

出　　处：《化工时刊》2008年第6期55-57,72,共4页Chemical Industry Times

摘　　要：3价铬钝化以其环保,工艺简单以及良好的耐热性成为了铬酸盐钝化最有可能的替代品。综述了3价铬钝化的原理及其基本组成,详细介绍了国内外3价铬钝化专利技术的发展历程,指出了国内的3价铬钝化与国际先进水平所存在的差距。Trivalent chromium passivation technology would be to replace the Cr （ Ⅵ ） passivation technology because it is environment -friendly, simple process and well heat -resistance. The formation mechanism and the composition of passivation solution were introduced and the development of patents were summarized. It was also pointed out the disparity between domestic and overseas development.

关 键 词：镀锌 3价铬 专利 

分 类 号：TQ153[化学工程—电化学工业]