Anticorrosive Behavior of ZnFe/Poly(N-methylpyrrole-co-o-anisidine) Coated Carbon Steel Electrode

Abstract

In this study, ZnFe alloy was deposited on carbon steel electrode (KC) by chronopotentiometry technique. The poly (N-methylpyrrole-co-o-anisidine) (PNMP-co-POA) copolymer film was synthesized on ZnFe coated carbon steel electrode (KC/ZnFe) surface by using cyclic voltammetry technique in 0.30 M oxalic acid solution. PNMP-co-POA coated KC/ZnFe electrode (KC/ZnFe/PNMP-co-POA) is characterized by electrochemical impedance spectroscopy, linear sweep voltammetry and anodic polarization techniques. The Nyquist diagrams showed that the polarization resistance of the KC/ZnF /PNMP-co-POA electrode was significantly higher than that of the KC and KC/ZnFe electrodes, thus demonstrating that the synthesized PNMA-co-POA copolymer film had good anticorrosive properties.

Keywords

• Corrosion,Copolymer,Electrochemical synthesis,ZnFe

ZnFe/Poly(N-metilpirol-co-o-anisidin) Kaplı Karbon Çelik Elektrodun Antikorozif Davranışı

Abstract

Bu çalışmada ZnFe alaşımı karbon çelik elektrot (KÇ) yüzeyine kronopotansiyometri tekniği ile kaplanmıştır. Poly(N-metilpirol-co-o-anisidin) (PNMP-co-POA) kopolimer filmi ZnFe kaplı karbon çelik elektrot (KÇ/ZnFe) yüzeyine dönüşümlü voltametri tekniği kullanılarak 0.30 M okzalik asit çözeltisinde sentezlenmiştir. Yüzeyine PNMP-co-POA kaplanmış KÇ/ZnFe elektrot (KÇ/ZnFe/PNMP-co-POA) elektrokimyasal empedans spektroskopisi, doğrusal taramalı voltametri ve anodik polarizasyon teknikleriyle karakterize edilerek KÇ ve KÇ/ZnFe elektrotlarıyla karşılaştırılmıştır. Nyquist diyagramları KÇ/ZnFe/PNMP-co-POA elektrodun polarizasyon direncinin KÇ ve KÇ/ZnFe elektrotlarına göre oldukça yüksek olduğunu dolayısıyla sentezlenen PNMA-co-POA kopolimer filmin antikorozif özelliğinin iyi olduğunu göstermiştir.

Keywords

• Korozyon,kopolimer,elektrokimyasal sentez,ZnFe

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