Comparison between polyaniline-phosphate and polypyrrole-phosphate composite coatings for mild steel corrosion protection

M. G. Hosseini; M. Sabouri; T. Shahrabi

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Comparison between polyaniline-phosphate and polypyrrole-phosphate composite coatings for mild steel corrosion protection

机译：聚苯胺-磷酸盐和聚吡咯-磷酸盐复合涂层对低碳钢的防腐作用比较

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Polyaniline, polypyrrole and their composites have been deposited on mild steel electrode from aqueous oxalic acid solution by using cyclic voltammetry (CV) technique. The resulting coatings were characterized by scanning electron microscopy and EDX analysis. The protective performance against corrosion of these coatings is evaluated by using electrochemical impedance spectroscopy (EIS) technique in corrosive solution (3.5% NaCl). Impedance data indicates a noticeable enhancement of protection against corrosion processes. Also, comparison of polyaniline-phosphate and polypyrrole-phosphate coatings indicates better corrosion protection with polyaniline-phosphate coatings.

机译：采用循环伏安法（CV）从草酸水溶液中将聚苯胺，聚吡咯及其复合物沉积在低碳钢电极上。通过扫描电子显微镜和EDX分析表征所得涂层。通过在腐蚀性溶液（3.5％NaCl）中使用电化学阻抗谱（EIS）技术评估这些涂层的防腐蚀性能。阻抗数据表明对腐蚀过程的防护能力明显增强。同样，聚苯胺-磷酸盐和聚吡咯-磷酸盐涂层的比较表明聚苯胺-磷酸盐涂层具有更好的防腐蚀性能。

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《Materials and Corrosion》 |2006年第5期|共4页
作者
M. G. Hosseini; M. Sabouri; T. Shahrabi;
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正文语种 eng
中图分类金属腐蚀与保护、金属表面处理;
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1. Comparison between polyaniline-phosphate and polypyrrole-phosphate composite coatings for mild steel corrosion protection [J] . M. G. Hosseini, M. Sabouri, T. Shahrabi Materials and Corrosion . 2006,第5期

机译：聚苯胺-磷酸盐和聚吡咯-磷酸盐复合涂层对低碳钢的防腐作用比较
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Comparison between polyaniline-phosphate and polypyrrole-phosphate composite coatings for mild steel corrosion protection

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