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
Corresponding AuthorLi, Weihua(
AbstractIn 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.
KeywordPolydopamine Polyaniline Graphene oxide Alkyd varnish Electrochemical measurements Corrosion resistance
Indexed BySCI
Funding ProjectNational 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 Research AreaEngineering ; Environmental Sciences & Ecology
WOS SubjectEngineering, Environmental ; Environmental Sciences
WOS IDWOS:000474676800017
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Cited Times:11[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Corresponding AuthorLi, Weihua
Affiliation1.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
First Author AffilicationInstitute of Oceanology, Chinese Academy of Sciences
Recommended Citation
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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