一种新型聚苯胺涂层的防腐蚀性能
Anticorrosion Property of a New Polyaniline Coating
摘 要
在酸性环境下用化学氧化法合成了聚苯胺；制备了不同含量的本征态和掺杂态聚苯胺涂覆的碳钢试样,利用塔菲尔曲线比较了它们在质量分数为3.5%的NaCl和1 mol/L HCl溶液中的腐蚀行为.结果表明:当间甲酚固化剂作为溶剂、磷酸作为催化剂时,本征态聚苯胺涂层具有良好的防腐蚀性能；不同状态聚苯胺的防腐蚀性能与腐蚀介质有关,与聚苯胺的含量有关.
涂覆
防腐蚀涂料
polyaniline
coating process
anticorrosion coating
Abstract
Polyaniline was synthesized through chemical-oxidation in acid environment .Steel samples of eigenstate polyaniline or doped polyaniline with various contents were prepared and their corrosion behaviors in 3.5% NaCl and 1 mol/L HCl solutions were compared using tafel plots.Results showed that the anticorrosion property of eigenstate polyaniline coating was better than that of doped one and anticorrosion property of polyaniline in various states was related with both medium and polyaniline content.
中图分类号 TG174.46 TQ 63
所属栏目 应用技术
基金项目
收稿日期 2008/1/14
修改稿日期 2008/3/20
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引用该论文: WANG Jian-xiong,GUO Qing-ping,GUO You-jun. Anticorrosion Property of a New Polyaniline Coating[J]. Corrosion & Protection, 2009, 30(2): 119～121
被引情况:
【1】蒋金武,李国希,高桂红,曾华波,梅喜艳, "掺杂态和本征态聚苯胺对不锈钢的保护作用",腐蚀与防护 31, 936-938(2010)
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参考文献
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【2】Geoffrey M Spinks,Anton J Dominis,Gordon G Wallace.Electroactive conducting polymers for corrosion control Part 2.Ferrous metals[J].Journal of Solid State Electrochemistry,2002,6:85-100.
【3】Cook A,Gabriel A,Siew D,et al.Corrosion protection of low carbon steel with polyaniline:passivation or inhibition[J].Current Applied Physics,2004,4:133-136.
【4】DeBerry D W.Modification of the electrochemical and corrosion behavior of stainless steel with electroactive coating[J].Journal of the Electrochemical Society,1985,132(5):1022-1026.
【5】McAndrew T P.Corrosion prevention with electrically conductive polymers[J].Trends in Polymers ,1997,5(1):7-12.
【6】赵福龙,朴健淑,曹靖斌.导电聚合物聚苯胺涂层的研究进展[J].油气田地面工程,2002,21(4):130.
【7】Wang X H,Li J,Zhang J Y,et al.Polyaniline as marine antifouling and corrosion-prevention agent [J].Synthetic Metals,1999,102:1377-1380.
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