Ce^(3+)-聚苯胺/蒙脱土复合材料掺杂环氧涂层的制备及耐腐蚀性能  

Preparation and Corrosion Protection of Epoxy Coating Doped with Ce^(3+)-Polyaniline/Montmorillonite Composites

作　　者：张大全[1] 朱力华[1] 章振华[1] 高立新[1] 

机构地区：[1]上海电力学院环境与化学工程学院,上海200090

出　　处：《上海电力学院学报》2016年第4期355-361,共7页Journal of Shanghai University of Electric Power

基　　金：上海市基础研究重点项目(11JC1404400)

摘　　要：采用原位插层聚合法合成了聚苯胺/蒙脱土复合材料(PANI/MMT),通过阳离子交换吸附制得了Ce^(3+)-聚苯胺/蒙脱土复合材料(Ce^(3+)-PANI/MMT).随后对所制备的样品进行表征.将PANI,PANL/MMT,Ce^(3+)-PANI/MMT粉末添加到环氧树脂中(质量分数为5%),涂覆在碳钢表面,干燥.将4种涂层浸泡在3.5%NaCl溶液中,通过电化学实验来比较4种涂层的耐蚀性能.研究结果表明,Ce^(3+)-PANI/MMT复合材料掺杂的环氧涂层的耐腐蚀性能最好,且具有一定的自修复性能.Polyaniline/organophilic montmorillonite nanocomposite materials are successfully synthefized by in situ intercalafive polymerization. Ce3 ＊-PANI/MMT nanocomposite materials （Ce3＋-PANI/MMT） are prepared by cation exchange adsorption. The as-prepared samples are subsequently characterized. Epoxy coatings containing PANI, PANI/MMT and Ce3＋-PANI/MMT powders are coated on the surface of carbon steel. The corrosion performance of the coatings are e- valuated by electrochemical corrosion experiment in 3.5 % NaC1. It is showed that the epoxy coat- ing containing Ce3＊--PANUMMT composites has a better performance and a self-healing effect a- gainst steel corrosion on the coafing defects.

关 键 词：聚苯胺 蒙脱土 铈离子 耐腐蚀 自修复 

分 类 号：TG174.4[金属学及工艺—金属表面处理]