Self-healing polymer coatings with cellulose nanofibers served as pathways for the release of a corrosion inhibitor

被引：54
|
作者：
Yabuki, Akihiro [1 ]
Kawashima, Akihiro [1 ]
Fathona, Indra W. [1 ]
机构：
[1] Hiroshima Univ, Grad Sch Engn, Higashihiroshima 7398527, Japan
来源：
CORROSION SCIENCE | 2014年 / 85卷
关键词：
Steel; EIS; Scratching electrode; SEM; Polymer coatings; SOL-GEL COATINGS; CONVERSION COATINGS; ALUMINUM-ALLOYS; CERIUM NITRATE; ELECTROGALVANIZED STEEL; ANTICORROSION COATINGS; SILANE FILMS; MILD-STEEL; PROTECTION; PERFORMANCE;
D O I：
10.1016/j.corsci.2014.04.010
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Polymer coatings containing cellulose nanofibers were applied to carbon steel for corrosion inhibition. The specimens were scratched with a knife-edge, and then polarization resistance was monitored in a sodium chloride solution. The polarization resistance of the scratched specimen containing nanofibers and corrosion inhibitor was higher than that of a polymer coating that contained only a corrosion inhibitor. The optimal mixing ratio of corrosion inhibitor for cellulose nanofibers was 4. Empty holes were confirmed on a cross-section of the polymer coating after the corrosion test, which showed that the nanofibers served as pathways for the release of the corrosion inhibitor. (C) 2014 Elsevier Ltd. All rights reserved.
引用
收藏
页码：141 / 146
页数：6
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