Failure behaviour of an epoxy coating with polyaniline modified graphene oxide under marine alternating hydrostatic pressure

被引：47
作者：
Meng, Fandi [1 ]
Zhang, Ting [1 ]
Liu, Li [1 ]
Cui, Yu [2 ]
Wang, Fuhui [1 ,2 ]
机构：
[1] Northeastern Univ, Shenyang Natl Lab Mat Sci, Wenhua Rd 3-11, Shenyang 110819, Liaoning, Peoples R China
[2] Chinese Acad Sci, Inst Met Res, Wencui Rd 62, Shenyang 110016, Liaoning, Peoples R China
来源：
SURFACE & COATINGS TECHNOLOGY | 2019年 / 361卷 / 188-195期
基金：
中国博士后科学基金; 中国国家自然科学基金;
关键词：
Epoxy coating; Graphene oxide; Polyaniline; Failure behaviour; Alternating hydrostatic pressure; ANTICORROSION PERFORMANCE; CURING AGENT; SYSTEM; FILLERS; RESIN;
D O I：
10.1016/j.surfcoat.2019.01.037
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Polyaniline (PANI) was used to modify the graphene oxide (GO) by in-situ polymerization. The failure behaviour of epoxy resin-based GO-PANI coating under marine alternating hydrostatic pressure (AHP) was investigated. The results indicated that PANI modification improves the dispersion of GO sheets and reduces the formation of initial surface defects, both of which significantly increase the compactness and mechanical properties of the coating. The improvement of the pigments/binder interface retards the diffusion of electrolyte and the deterioration of coating structure caused by AHP. The excellent anti-permeability of coating not only depends on the improvement of compatibility between GO and binder, but also the superior toughness provided by GO-PANI nanosheets.
引用
收藏
页码：188 / 195
页数：8
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