聚苯胺复合涂层在钢材上的防腐应用及发展趋势  

Application and Development Trend of Polyaniline Composite Coatings in Steel Anti-corrosion

作　　者：卢勇[1,2] 冯辉霞[1] 孔佩佩[1] LU Yong;FENG Hu-xia;KONG Pei-pei(School of Petrochemical Engineering,Lanzhou University of Technology,Lanzhou 730050,China;Research Institute of Lanzhou Petrochemical Corporation of Petrochina,Lanzhou 730060,China)

机构地区：[1]兰州理工大学石油化工学院,兰州730050 [2]中国石油兰州石化公司研究院,兰州730060

出　　处：《材料工程》2018年第8期27-35,共9页Journal of Materials Engineering

基　　金：国家自然科学基金(21664009;51063003);国家科技部"科技人员服务企业行动项目"(2009GJG10041);甘肃省高校基本科研业务费(1105ZTC136)

摘　　要：针对炼油化工设备所处酸碱盐等化学物质腐蚀环境下导致的电化学腐蚀问题,本文提出采用导电聚合物的复合涂层方法来应对钢材防腐蚀。本文详细讨论了聚苯胺涂层的3种防腐机理,有钝化作用,屏蔽作用和缓释机理,分析总结了各类聚苯胺及其复合涂层在钢材等金属材料的防腐蚀应用,着重阐述了聚苯胺/无机复合涂层的应用,并展望了聚苯胺基涂层在防腐蚀方面的研究趋势。聚苯胺与其他材料的复合,尤其是二元及多元复合材料,以及复合后防腐机理的研究将会是以后研究和开发的趋势,而聚苯胺复合涂层制备和针对环境的防腐研究,可为其在炼厂复杂环境中的进一步应用研究提供参考。The petrochemical equipment is subjected to electrochemical corrosion under the circumstance of which there are many chemical substances such as acid,alkali and salt.For the above electrochemical corrosion problems,using conductive polymer composite coating to resist corrosion of steel was put forward in this paper.The three kinds of anti-corrosion mechanism of the polyaniline coating in details were discussed,including metal oxide passivation,shielding effect and corrosion inhibition effect.A range of polyaniline and polyaniline composite coating and the application of the anticorrosion on steel were summarized,the application of polyaniline/inorganic composite coating was emphasized and the research trend of polyaniline coating was prospected.Polyaniline composite coating,especially binary and multi-components composite coating and the corrosion mechanism of composite coating will be the trend of future research and development.The preparation of polyaniline composite coating and corrosion protection study in complex environment will provide the reference to the application of that in a complex environment.

关 键 词：钢材 聚苯胺 复合物 防腐 

分 类 号：TG179[金属学及工艺—金属表面处理]