Electrochemical preparation of nano-colloidal polyaniline in polyacid matrix and its application to the corrosion protection of 430SS

被引：19
作者：
Farhadi, Khalil [1 ]
Zebhi, Hamid [1 ]
Moghadam, Peyman Najafi [1 ]
Es'haghi, Moosa [2 ]
Ashassi-Sorkhabi, Habib [3 ]
机构：
[1] Urmia Univ, Fac Sci, Dept Chem, Orumiyeh, Iran
[2] Islamic Azad Univ, East Azarbaijan Sci & Res Branch, Coll Sci, Dept Chem, Tabriz 5159117136, Iran
[3] Univ Tabriz, Fac Chem, Dept Phys Chem, Electroche,Res Lab, Tabriz, Iran
来源：
SYNTHETIC METALS | 2014年 / 195卷
关键词：
Nano-colloidal polyaniline; Electropolymerization; Poly(maleic acid-co-vinyl acetate); Ferritic 430 stainless steel; Corrosion; STAINLESS-STEEL; POLYMER; ACID; PERFORMANCE; NANOFIBERS; COMPOSITE; COATINGS; BEHAVIOR; ANILINE;
D O I：
10.1016/j.synthmet.2014.05.002
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A smooth, adherent and nano-colloidal polyaniline (NCPANI) coating was electrosynthezied in poly(maleic acid-co-vinyl acetate) (PMAVA) matrix by cyclic voltammetry in order to protect the ferritic 430 stainless steel (430SS) from corrosion. The electrodeposited coating was characterized by cyclic voltammetry, UV vis and FT-IR techniques. The morphology and the structure of the film were investigated by scanning electron microscopy (SEM). Corrosion behavior of coated steel was evaluated in 3.5% NaCl solution by potentiodynamic polarization and electrochemical impedance spectroscopy (EIS). The obtained results revealed that NCPANI coating provided a significant protection against corrosion progression. (C) 2014 Elsevier B.V. All rights reserved.
引用
收藏
页码：29 / 35
页数：7
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