多壁碳纳米管改性环氧涂层的防腐蚀性能
Anticorrosion Performance of Epoxy Coatings Modified by Multiwalled Carbon Nanotubes
摘 要
研究了多壁碳纳米管(multiwalled carbon nanotubes,MWCNTS)在环氧涂层中的分散性对涂层耐蚀性能的影响。采用电化学阻抗谱对未添加任何填料的环氧涂层、添加原始MWCNTS的环氧涂层和添加改性MWCNTS的环氧涂层等三种涂层体系进行了耐蚀性评价。结果表明, 随着在电解质溶液中浸泡时间的延长, 三种涂层体系的阻抗值都降低, 对比涂层阻抗谱变化以及失效时间, 添加改性MWCNTS的环氧涂层体系耐蚀性最佳。
电化学阻抗谱(EIS)
环氧涂层体系
耐蚀性
MWCNTS
electrochemical impedance spectroscopy(EIS)
epoxy coating system
corrosion resistance
Abstract
The influence of MWCNTS (multiwalled carbon nanotubes) dispersion on corrosion resistance of epoxy coating was studied. The corrosion resistance of the epoxy coating no added filler, the epoxy coating primitive MWCNTS and the epoxy coating added with modified MWCNTS were evaluated by electrochemical impedance spectroscopy(EIS). The results showed that the resistance value of the three kinds of coating systems reduced with the immersion time increasing. Compararision impedance spectra of coatings and failure times indicated the epoxy coating with modified MWCNTS system the best corrosion resistance.
中图分类号 TG174.46
所属栏目 试验研究
基金项目
收稿日期 2012/9/11
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备注海鹏,硕士研究生,
引用该论文: HE Yi,HAI Peng,LI Fei-yang,HE Yang. Anticorrosion Performance of Epoxy Coatings Modified by Multiwalled Carbon Nanotubes[J]. Corrosion & Protection, 2013, 34(7): 590
被引情况:
【1】刘青,周桃玉, "盐酸溶液中石墨烯量子点对碳钢的缓蚀性能",腐蚀与防护 36, 152-156(2015)
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【2】Hu Z S,Dong J X,Chen G X. Preparation and tribological properties of nano particle lanthanum borate[J]. Wear,2000,243(1):43-47.
【3】Huang W J,Wang J,Wang Y F. Tribological performance of nanometer samarium borate[J]. Trans Nonferrous Met Soc China,2001(6):417-422.
【4】边蕴静. 纳米材料在涂料中的应用[J]. 化工新型材料,2001,29(7):31-32.
【5】陈群尧. 涂层及其腐蚀失效机理的研究方法和方向[J]. 中国腐蚀与防护学报,1997,17(4):307-311.
【6】Eagambaram Murugan,Vimala Gopi. Amphiphilic multiwalled carbon nanotube polymer hybrid with improved conductivity and dispersibility produced by functionalization with poly(vinylbenzyl)triethylammonium chloride[J]. J Phys Chem C,2011,115(5):897-909.
【7】曹楚南,张鉴清. 电化学阻抗谱导论[M]. 北京:科学出版社,2002.
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