Enhanced Anticorrosion Properties of Epoxy Coatings from Al and Zn Based Pigments

被引：2

作者：

Wan Kai ^{[1
]}

Li Changcheng ^{[1
]}

Xing Cuijuan ^{[2
]}

Zhao Haizhou ^{[1
]}

Yu Liangmin ^{[1
]}

机构：

[1] Ocean Univ China, Coll Chem & Chem Engn, Minist Educ, Key Lab Marine Chem Theory & Technol, Qingdao 266100, Peoples R China

[2] Xingtai Univ, Coll Chem Engn & Biotechnol, Xingtai 054001, Peoples R China

来源：

CHEMICAL RESEARCH IN CHINESE UNIVERSITIES | 2015年 / 31卷 / 04期

基金：

国家高技术研究发展计划(863计划); 中国国家自然科学基金;

关键词：

Organic coating; Al pigment; Zn pigment; Anticorrosion performance; Salt spray test; ZINC-RICH; CORROSION PROTECTION; SURFACE-CHEMISTRY; SODIUM-CHLORIDE; ALUMINUM; STEEL; RESISTANCE; BEHAVIOR; IRON; PERFORMANCE;

D O I：

10.1007/s40242-015-5050-1

中图分类号：

O6 [化学];

学科分类号：

0703 ;

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

页码：573 / 580

页数：8

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