Conducting polyaniline/multi-wall carbon nanotubes composite paints on low carbon steel for corrosion protection: electrochemical investigations

被引：36

作者：

Deshpande, Pravin P. ^{[1
]}

Vathare, Sanket S. ^{[1
]}

Vagge, Shashikant T. ^{[1
]}

Tomsik, Elena ^{[2
]}

Stejskal, Jaroslav ^{[2
]}

机构：

[1] Coll Engn, Dept Met & Mat Sci, Pune 411005, Maharashtra, India

[2] Acad Sci Czech Republic, Inst Macromol Chem, CR-16206 Prague 6, Czech Republic

来源：

CHEMICAL PAPERS | 2013年 / 67卷 / 08期

关键词：

corrosion; polyaniline; conducting polymer; carbon nanotubes; ORGANIC COATINGS; ANTICORROSION PERFORMANCES; POLYMER; PHOSPHATE; FILMS; IRON; SALT;

D O I：

10.2478/s11696-012-0273-9

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The coaxial coating of multi-wall carbon nanotubes (MWCNT) with poly(aniline) (PANI) was synthesised and a paint was prepared containing conducting PANI-MWCNT composite. The corrosion protection performance was assessed by open circuit potential measurements, potentiodynamic polarisation, and electrochemical impedance spectroscopy. The corrosion rate of low-carbon steel coated with 1.5 mass % of PANI-MWCNT-based paint in 3.5 mass % sodium chloride solution was found to be 0.037 mm y(-1), about 5.2 times lower than that of unpainted low-carbon steel and 3.6 times lower than that of epoxy painted steel.

引用

页码：1072 / 1078

页数：7

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