Chemical modification of hydrotalcite coating for enhanced corrosion resistance

被引：60
作者：
Wang, Lida [1 ]
Zong, Qiufeng [1 ]
Sun, Wen [1 ]
Yang, Zhengqing [1 ]
Liu, Guichang [1 ]
机构：
[1] Dalian Univ Technol, Dept Mat Sci & Chem Engn, Dalian 116024, Peoples R China
来源：
CORROSION SCIENCE | 2015年 / 93卷
基金：
中国国家自然科学基金;
关键词：
Aluminum; SEM; EIS; Passive films; LAYERED DOUBLE HYDROXIDE; ACTIVE ANTICORROSIVE COATINGS; SOL-GEL COATINGS; INHIBITOR; 8-HYDROXYQUINOLINE; EMBEDDED NANOCONTAINERS; AQUEOUS-SOLUTION; PHYTIC ACID; PROTECTION; MAGNESIUM; ALUMINUM;
D O I：
10.1016/j.corsci.2015.01.033
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
This work provided a facile strategy to enhance the corrosion resistance of hydrotalcite coating by the chemical modification of the coating with 8-hydroxyquinolate anions. It shows that the chemical modification treatment induces the phase conversion of hydrotalcite coating by the intercalation of corrosion inhibitor into the coating. The hydrotalcite coating with unique layer micro/nanostructure not only serves as an effective template for the chemical modification of the coating, but also acts as a reservoir for the enhanced corrosion protection performance by releasing the accommodated corrosion inhibitor, when it suffers from local corrosion attack in aggressive environments. (C) 2015 Elsevier Ltd. All rights reserved.
引用
收藏
页码：256 / 266
页数：11
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