Enhanced anticorrosion properties of epoxy coatings from Al and Zn based pigments

被引：0
|
作者：
Kai Wan
Changcheng Li
Cuijuan Xing
Haizhou Zhao
Liangmin Yu
机构：
[1] Ocean University of China,Key Laboratory of Marine Chemistry Theory and Technology, Ministry of Education, College of Chemistry and Chemical Engineering
[2] Xingtai University,College of Chemical Engineering and Biotechnology
来源：
Chemical Research in Chinese Universities | 2015年 / 31卷
关键词：
Organic coating; Al pigment; Zn pigment; Anticorrosion performance; Salt spray test;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Anticorrosion epoxy coatings from Al and Zn based pigments were synthesized by adjusting their volume ratios, aiming at their increasing anticorrosion performances. The anticorrosion properties were examined via electrochemical impedance spectroscopy, Tafel polarization curve analysis and salt spray test. The coating morphologies before and after the salt spray tests were studied via scanning electron microscopy(SEM). The elemental and chemical compositions of the corroded surfaces of the coatings were analyzed by means of X-ray photoelectron spectroscopy(XPS). The results indicate that the coating composed of Al/Zn at 10:1(volume ratio) displays the maximum anticorrosion performances, which are superior to those of pristine Al or Zn based pigment.
引用
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页码：573 / 580
页数：7
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