聚苯胺/环氧复合涂层的制备及其耐蚀性能
Preparation and Corrosion Resistance of Polyaniline/Epoxy Composite Coating
摘 要
采用直接混合法简便地合成了纤维状聚苯胺纳米材料(PAni), 其电导率达1.299 S·cm。电化学阻抗谱表明, 在3.5% NaCl溶液中, 聚苯胺添加量为0.4%~0.6%时, 涂覆聚苯胺/环氧复合涂层(P/E)的A3钢有很好的耐蚀作用, 浸泡2400 h后阻抗值仍大于109 Ω·cm2。
A3钢
环氧
电化学阻抗谱
polyaniline nanofiber
A3 steel
epoxy
electrochemical impedance spectroscopy(EIS)
Abstract
Polyaniline nanofibers (PAni) with high conductivity of 1.299 S·cm were synthesized by rapid mixed method. The results of electrochemical impedance spectroscopy (EIS) showed that the polyaniline/epoxy (P/E) composite coating containing 0.4% to 0.6% PAni had good corrosion protection performance on A3 steel in NaCl (3.5%) solution. Impedance of the coating was more than 109 Ω·cm2 after the electrode was immersed for 2400 h.
中图分类号 TG174.46 TQ314.2
所属栏目 试验研究
基金项目 国家科技支撑计划课题(2007BAB27B02); 中国科学院知识创新工程重要方向项目(KZCX2-YW-210)
收稿日期 2010/11/12
修改稿日期 2010/11/16
网络出版日期
作者单位点击查看
联系人作者王犇(wb1970@163.com)
备注王犇, 副教授,
引用该论文: WANG Ben,LI Cheng,HUANG Wen-jun,YANG Xiao-gang. Preparation and Corrosion Resistance of Polyaniline/Epoxy Composite Coating[J]. Corrosion & Protection, 2011, 32(8): 605
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参考文献
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【3】Schauer T, Joos A, Dulog L, et al. Protection of iron against corrosion with polyaniline primers[J]. Progress In Organic Coatings, 1998, 33(1):20-27.
【4】Bernard M C, Hugot-Le G A, Joiret S, et al. Polyaniline layer for iron protection in sulfate medium[J]. Journal of The Electrochemical Society, 1999, 146(3):995-998.
【5】Fahlman M, Jasty S, Epstein A J, et al. Corrosion protection of iron/steel by emeraldine base polyaniline:an X-ray photoelectron spectroscopy study[J]. Synthetic Metals, 1997, 85(1/3):1323-1326.
【6】Santos J R, Mattoso L H C, Motheo A J. Investigation of corrosion protection of steel by polyaniline films[J]. Electrochimica Acta, 1998, 43(3/4):309-313.
【7】Lu W K, Elsenbaumer R L, Wessling B. Corrosion protection of mild steel by coatings containing polyaniline[J]. Synthetic Metals, 1995, 71(1/3):2163-2166.
【8】张清华, 王献红, 景遐斌. 聚苯胺复合膜的制备及性质[J]. 高分子材料科学与工程, 2004, 20(1):210-213.
【9】高焕方, 张胜涛, 刘建平, 等. 聚苯胺防腐蚀涂料的研制及其性能[J]. 材料保护, 2009, 42(2):11-13.
【10】景遐斌, 王利祥, 王献红, 等. 导电聚苯胺的合成、结构、性能和应用[J]. 高分子学报, 2005(5):655-663.
【11】Wang C W, Wang Z, Li M K, et al. Well-aligned polyaniline nano-fibril array membrane and its field emission property[J]. Chemical Physics Letters, 2001, 341(5/6):431-434.
【12】Srinivasan S, Pramanik P. The effect of hydrogen bonding on self-assembled polyaniline nanostructures[J]. Synthetic Metals, 1994, 63(3):199-204.
【13】Kang E T, Neoh K G, Tan K L. Polyaniline:A polymer with many interesting intrinsic redox states[J]. Progress In Polymer Science, 1998, 23(2):277-324.
【14】Mccall R P, Ginder J M, Leng J M, et al. Spectroscopy and defect states in polyaniline[J]. Physical Review B, 1990, 41(8):5202-5213.
【15】Huang J X, Moore J A, Acquaye J H, et al. Mechanochemical route to the conducting polymer polyaniline[J]. Macromolecules, 2005, 38(2):317-321.
【16】侯保荣. 海洋腐蚀环境理论及其应用[M]. 北京:科学出版社, 1999.
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