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Polydopamine modified polyaniline-graphene oxide composite for enhancement of corrosion resistance
Yang, Ning1,2,3; Yang, Tao4; Wang, Wei1,2,3; Chen, Huaiyin1,2,3; Li, Weihua4
2019-09-05
发表期刊JOURNAL OF HAZARDOUS MATERIALS
ISSN0304-3894
卷号377页码:142-151
通讯作者Li, Weihua(liweihua@qdio.ac.cn)
摘要In this study, the composite of two-dimensional graphene oxide (GO) nanosheets and button-shaped polyaniline (PANT) was synthesized and further modified by polydopamine (PDA). The obtained PDA-PANI-GO composite was used to enhance the corrosion protection ability of nontoxic water-based alkyd varnish (WAV). The chemical composition, functional groups and surface morphologies of GO, PANI-GO and PDA-PANI-GO composites were characterized by XRD, FT-IR XPS and SEM. The anticorrosion performance was demonstrated by electrochemical impedance spectroscopy measurements and polarization tests. Due to the physical barrier effects and surface hydrophobicity of PANI-GO composite, the approaches of the caustic substances to the surface of the metal was inhibited, while the highly adhesive PDA molecules reinforced compatibility between fillers and WAV. As results, PDA-PANI-GO composite introduced WAV enhanced corrosion prevention performance. Under the optimal conditions, where the ratio of PDA to PANI-GO was kept at 2:1, the impedance values increased by over two orders of magnitude compared with bare steel.
关键词Polydopamine Polyaniline Graphene oxide Alkyd varnish Electrochemical measurements Corrosion resistance
DOI10.1016/j.jhazmat.2019.05.063
收录类别SCI
语种英语
资助项目National Science Fund for Distinguished Young Scholars[51525903] ; AoShan Talents Cultivation Program - Qingdao National Laboratory for Marine Science and Technology[2017ASTCP-OS09] ; applied Basic Research Programs of Qingdao[17-1-1-98-jch] ; Applied Basic Research Programs of Nantong[GY12016002] ; National Science Fund for Young Scholars[51701234] ; Key research and development project of shandong province[2017GGX20101] ; National Science Fund for Distinguished Young Scholars[51525903] ; AoShan Talents Cultivation Program - Qingdao National Laboratory for Marine Science and Technology[2017ASTCP-OS09] ; Applied Basic Research Programs of Qingdao[17-1-1-98-jch] ; Applied Basic Research Programs of Nantong[GY12016002] ; National Science Fund for Young Scholars[51701234] ; Key research and development project of shandong province[2017GGX20101]
WOS研究方向Engineering ; Environmental Sciences & Ecology
WOS类目Engineering, Environmental ; Environmental Sciences
WOS记录号WOS:000474676800017
出版者ELSEVIER SCIENCE BV
引用统计
被引频次:79[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/337002/161933
专题中国科学院海洋研究所
通讯作者Li, Weihua
作者单位1.Chinese Acad Sci, Inst Oceanol, Qingdao 266071, Shandong, Peoples R China
2.Pilot Natl Lab Marine Sci & Technol, Open Studio Marine Corros & Protect, Qingdao 266000, Shandong, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100039, Peoples R China
4.Sun Yat Sen Univ, Coll Chem Engn & Technol, Zhuhai 519082, Peoples R China
第一作者单位中国科学院海洋研究所
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GB/T 7714
Yang, Ning,Yang, Tao,Wang, Wei,et al. Polydopamine modified polyaniline-graphene oxide composite for enhancement of corrosion resistance[J]. JOURNAL OF HAZARDOUS MATERIALS,2019,377:142-151.
APA Yang, Ning,Yang, Tao,Wang, Wei,Chen, Huaiyin,&Li, Weihua.(2019).Polydopamine modified polyaniline-graphene oxide composite for enhancement of corrosion resistance.JOURNAL OF HAZARDOUS MATERIALS,377,142-151.
MLA Yang, Ning,et al."Polydopamine modified polyaniline-graphene oxide composite for enhancement of corrosion resistance".JOURNAL OF HAZARDOUS MATERIALS 377(2019):142-151.
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