聚苯胺对环氧涂层防腐蚀性能的影响
Effect of Polyaniline on Anticorrosive Performance of Epoxy Coatings
摘 要
制备了本征态聚苯胺在涂层中质量分数分别为0％、1.5％、3％、5％、7％、10％的聚苯胺/环氧防腐蚀涂层,通过Tafel极化曲线和电化学阻抗谱测试对比了其在3.5％ NaCl溶液中的腐蚀性能,结果表明,聚苯胺含量对涂层的防腐蚀性能有较大影响:涂层中聚苯胺含量较小时,随着其在涂层中含量的增加,涂层的腐蚀电位相应提高,而随着聚苯胺含量的进一步增加,涂层的防腐蚀效果开始下降.涂层中聚苯胺质量分数含量为5％时,涂层具有最佳的防腐蚀性能.
环氧涂料
Tafel
电化学阻抗谱
polyaniline
anticorrosive
epoxy coating
tafel
EIS
Abstract
Polyaniline /epoxy anticorrosive coatings with mass froctions of emeraldine base form of polyaniline in coatings being 0％,1.5％,3％,5％,7％,10％ were prepared ,and theirs anticorrosive performance in 3.5％ NaCl solution was studied by polarization curves and EIS.Results indicate that the mass fraction influenced the anticorrosive performance of the coating.When the mass fraction of polyaniline in coating was less,the anticorrosive performance of coating increased with the increase of mass fraction,and then the anticorrosive performance of coating declined with the more increase of mass fraction.The anticorrosive performance of coating was the best when the mass fraction of polyaniline in coating was 5％.
中图分类号 TG174.46
所属栏目 应用技术
基金项目 重庆市教委科技项目(KJ070601):重庆市九龙坡科委科技项目(20080117)
收稿日期 2008/4/17
修改稿日期 2008/5/20
网络出版日期
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引用该论文: GAO Huan-fang,ZHANG Sheng-tao,LIU Tong,LIU Jian-ping,LIU Cao. Effect of Polyaniline on Anticorrosive Performance of Epoxy Coatings[J]. Corrosion & Protection, 2009, 30(4): 267～269
被引情况:
【1】张磊,李保松,张文, "海洋环境蒙脱土改性聚苯胺环氧涂层的防腐蚀性能",腐蚀与防护 37, 215-219(2016)
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参考文献
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【2】G Tansug,T Tuken,A T Ozylmaz.Mild steel protection with epoxy top coated polypyrrole and polyaniline in 3.5% NaCl[J].Current Applied Physics,2007,7(4):440-445.
【3】Y Chen,X H Wang,J Li,et al.Long-term anticorrosion behaviour of polyaniline on mild steel[J].Corrosion Science,2007,49(7):3052-3063.
【4】S Syed Azim,S Sathiyanarayanan,G Venkatachar,et al.Anticorrosive properties of PANI-ATMP polymer containing organic coating[J].Progress in Organic Coatings,2006,56(2/3):154-158.
【5】B N Grgu,M M Gvozdenovic,V B Miskovic-Stankovic.Corrosion behavior and thermal stability of electrodeposited PANI/epoxy coating system on mild steel in sodium chloride solution[J].Progress in Organic Coatings,2006,56(2/3):214-219.
【6】A B Samui,A S Patankar,J Rangarajan,et al.Study of polyaniline containing paint for corrosion prevention[J].Progress in Organic Coatings,2003,47(1):1-7.
【7】A Tale,O Forsen,S Ylasaari,et al.Corrosion protective polyaniline epoxy blend coatings on mild steel[J].Synthetic Metals,1999,102(1-3):1394-1395.
【8】曹楚南,张鉴清.电化学阻抗谱导论[M].北京:科学出版社,2002:158-160.
【9】S Sathiyanarayanan,S Muthukrishnan,G Venkatachari.Corrosion protection of steel by polyaniline(PANI) pigmented paint coating[J].Progress in Organic Coatings,2005,53(4):297-302.
【10】S Sathiyanarayanan,S Syed Azim,G Venkatachari.Preparation of polyaniline-Fe2O3 composite and its anticorrosion performance[J].Synthetic Metals,2007,157(18-20):751-757.
【11】Wesshng B.Passivation of metals by coating with polyaniline:corrosion potential shift and morphological changes[J].Advanced Materials,1994,6(3):226-228.
【12】S Sathiyanarayanan,S Muthkrishnan,G Venkatachari.Corrosion protection of steel by polyaniline blended coating[J].Electrochimica Acta,2006,51(28):6313-6319.
【13】S Sathiyanarayanan,S Muthukrishnan,G Venkatachari.Performance of polyaniline pigmented vinyl acrylic coating on steel in aqueous solutions[J].Progress in Organic Coatings,2006,55(1):5-10.
【14】P J Kinlen,D C Silverman,C R Jeffreys.Corrosion protection using polyaniline coating formulations[J].Synthetic Metals,1997,101(1-3):1327-1332.
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