Facile Preparation of Polyaniline Nanoparticles and Their Dispersion for Waterborne Anticorrosion Coatings

被引：1

作者：

Gu, Lin ^{[1
]}

Zhao, Xia ^{[1
]}

Tong, Xin ^{[1
]}

Ma, Jun ^{[1
]}

Chen, Bin ^{[2
]}

Liu, Shuan ^{[1
]}

Zhao, Haichao ^{[1
]}

Yu, Haibin ^{[1
]}

Chen, Jianmin ^{[1
]}

机构：

[1] Chinese Acad Sci, Key Lab Marine Mat & Related Technol, Key Lab Marine Mat & Protect Technol Zhejiang Pro, Ningbo Inst Mat Technol & Engn, Ningbo 315201, Zhejiang, Peoples R China

[2] Shenyang Univ Chem Technol, Sch Mat Sci & Engn, 11 St Econ & Technol Dev Zone, Shenyang 110142, Peoples R China

来源：

INTERNATIONAL JOURNAL OF ELECTROCHEMICAL SCIENCE | 2016年 / 11卷 / 02期

基金：

中国国家自然科学基金;

关键词：

polyaniline nanoparticles; waterborne coatings; corrosion; EIS; Tafel curves; CORROSION PROTECTION; GALVANIZED STEEL; BEHAVIOR; PREVENTION;

D O I：

暂无

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

Waterborne conductive polyaniline/polyvinylpyrrolidone (PANI/PVP) nanoparticles were prepared using as PVP stabilizer and phosphoric acid as dopant via dispersion polymerization. The resulting PANI/PVP nanoparticles were characterized by TEM, FTIR, UV-vis spectra, cyclic voltammetry and XPS, which showed regular spherical morphology with uniform diameters in the range of 60-80 nm and good electroactivity. The addition of PANI/PVP nanoparticles significantly improved the anticorrosion properties of waterborne epoxy coating, based on polarization curves and EIS measurements performed in 3.5% NaCl solution. Especially, the epoxy coating containing 1.0 wt% PANI/PVP exhibited best corrosion protective effect. The remarkably enhanced anticorrosion performance could be attributed to the redox catalytic properties of PANI/PVP nanoparticles and the inhibitory effect of doping anions.

引用

页码：1621 / 1631

页数：11

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