Highly dispersed polyaniline/graphene oxide composites for corrosion protection of polyvinyl chloride/epoxy powder coatings on steel
Han, YuYing1; Liu, ZiLiang1; Wang, Shuang1; Wang, Wenxue1; Wang, ChuanXing1,2; Gao, ChuanHui1
2021-04-26
发表期刊JOURNAL OF MATERIALS SCIENCE
ISSN0022-2461
页码20
通讯作者Gao, ChuanHui(gaochuanhui@qust.edu.cn)
摘要In this study, a novel functionalized graphene oxide(GO) sheet of polyaniline(PANI) was prepared by in situ polymerization of aniline. Fourier transform infrared spectroscopy (FTIR), X-ray diffractometer (XRD) and scanning electron microscope (SEM) indicated the successful polymerization of aniline on GO tablets, and PANI was uniformly inserted into the GO lamellas that benefited the dispersion of PAGO. The anticorrosion properties of PAGO-PVC/EP coatings with different contents were analyzed and compared with PAGO-0 and the GO coatings. Electrochemical analysis showed that an appropriate amount of PAGO (0.5wt%) could significantly improve the long-term corrosion resistance of the coating. Its excellent corrosion resistance was attributed to two parts: (1) PAGO had good dispersion and could improve the barrier property of the coating to block H2O, O-2 and electrolytes from penetrating to the steel substrate; (2) PANI with complete electrical activity could timely transfer the electrons lost from the base to the coating surface, and form a passivation film composed of Fe3O4 and Fe2O3 by induction. The barrier property of GO and the self-healing ability of PANI made PAGO-based PVC/EP coatings excellent in corrosion resistance.
DOI10.1007/s10853-021-05925-y
收录类别SCI
语种英语
资助项目National Natural Science Foundation of China[U1706225] ; Qingdao Post Doctoral Fund[Y4KY14110N] ; Open Fund of Shandong Key Laboratory of Corrosion Science[KLCS201911]
WOS研究方向Materials Science
WOS类目Materials Science, Multidisciplinary
WOS记录号WOS:000644304600001
出版者SPRINGER
引用统计
被引频次:6[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.qdio.ac.cn/handle/337002/170833
专题海洋环境腐蚀与生物污损重点实验室
通讯作者Gao, ChuanHui
作者单位1.Qingdao Univ Sci & Technol, Coll Chem Engn, Qingdao 266024, Peoples R China
2.Chinese Acad Sci, Inst Oceanol, Shandong Key Lab Corros Sci, Qingdao 266071, Peoples R China
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Han, YuYing,Liu, ZiLiang,Wang, Shuang,et al. Highly dispersed polyaniline/graphene oxide composites for corrosion protection of polyvinyl chloride/epoxy powder coatings on steel[J]. JOURNAL OF MATERIALS SCIENCE,2021:20.
APA Han, YuYing,Liu, ZiLiang,Wang, Shuang,Wang, Wenxue,Wang, ChuanXing,&Gao, ChuanHui.(2021).Highly dispersed polyaniline/graphene oxide composites for corrosion protection of polyvinyl chloride/epoxy powder coatings on steel.JOURNAL OF MATERIALS SCIENCE,20.
MLA Han, YuYing,et al."Highly dispersed polyaniline/graphene oxide composites for corrosion protection of polyvinyl chloride/epoxy powder coatings on steel".JOURNAL OF MATERIALS SCIENCE (2021):20.
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