Self-healing effect of graphene@PANI loaded with benzotriazole for carbon steel

被引：90
作者：
Hao, Yongsheng [1 ]
Zhao, Yifan [1 ]
Li, Bo [2 ]
Song, Lixin [1 ]
Guo, Zhuo [1 ]
机构：
[1] Shenyang Univ Chem Technol, Sch Mat Sci & Engn, Shenyang Econ Technol Dev Area, 11 St, Shenyang 110142, Liaoning, Peoples R China
[2] Chinese Acad Sci, Inst Met Res, 72 Wenhua Rd, Shenyang 110016, Liaoning, Peoples R China
来源：
CORROSION SCIENCE | 2020年 / 163卷
基金：
中国国家自然科学基金;
关键词：
Carbon steel; EIS; XPS; Paint coating; Passivity; CORROSION PROTECTION; MILD-STEEL; DOPED POLYANILINE; INHIBITOR; IRON; NANOCONTAINERS; COATINGS; BEHAVIOR; SURFACE; FILMS;
D O I：
10.1016/j.corsci.2019.108246
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
In the present work, polyaniline decorated graphene (graphene@PANI) as an inhibitor container loaded with benzotriazole (graphene@PANI@BTA) was prepared and benzotriazole loading concentration in graphene@PANI can reach to 16.2 wt.%. The release experiment illustrates that benzotriazole can be released in a short time and provide an effective protection for carbon steel. Electrochemical measurements results show that epoxy coating containing 0.5 wt. % graphene@PANI@BTA has the best protection and a noticeable self-healing function. The corrosion inhibition mechanism of graphene@PANI@BTA is attributed to the synergistic interaction of graphene, polyaniline, and benzotriazole.
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页数：14
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