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Investigation of the wettability, anticorrosion, and accelerated weathering behaviors of siloxane-modified acrylic resin and functionalized graphene nanocomposite coatings on LY12 aluminum alloy
Uzoma, Paul C.1,2,3; Wang, Qiumeng1; Zhang, Wanyu1,2; Gao, Ning Jie1,2; Liu, Fuchun1,2,4,5; Han, En-Hou1,2,4,5
Corresponding AuthorLiu, Fuchun(fcliu@imr.ac.cn)
2021-01-27
Source PublicationJOURNAL OF COATINGS TECHNOLOGY AND RESEARCH
ISSN1547-0091
Pages18
AbstractTo expand the applications of graphene which has so far been limited by the expensive nature of single-layer graphene, the effects of varying percentages of low-cost functionalized multilayer graphene nanosheets in siloxane-modified organic coatings were studied. The hydrophobic organic siloxane-acrylic resin was prepared by solution polymerization of acrylic monomers, and the graphene nanosheets were functionalized using fluorosilane. The coatings were sprayed on the LY12 aluminum substrate, and the wettability, anticorrosion, conductive, and accelerated weathering behaviors were comprehensively examined. It is shown that the increasing addition of functionalized graphene nanosheets increases the water contact angle and the surface conductivity. At 5% graphene loading, coating-substrate adhesion remains almost unchanged, while the electrochemical impedance parameters revealed good anticorrosion performance up to 10% loading. The surface measurements and Fourier transform infrared spectroscopy (FTIR) results confirmed the photostabilization ability of graphene loading in acrylic coatings during the accelerated weathering test. Also, the mechanical properties of the coatings were not damaged during the exposure, and pitting corrosion sites were observed only on the 20% graphene-filled coatings after 1000 h of exposure. These integrated analyses of mechanical properties and environmental accelerated tests are beneficial to engineering applications of graphene coatings.
KeywordNanocomposites Graphene Aluminum Organic coatings Superhydrophobic Anticorrosion
Funding OrganizationSpecial Scientific Research on Civil Aircraft ; Guangzhou Industry-University Research Collaborative Innovation Alliance Special Subject ; Shenyang Science and Technology Plan Project
DOI10.1007/s11998-020-00443-z
Indexed BySCI
Language英语
Funding ProjectSpecial Scientific Research on Civil Aircraft[MJ-2016-F-07] ; Guangzhou Industry-University Research Collaborative Innovation Alliance Special Subject[201604046014] ; Shenyang Science and Technology Plan Project[Y17-1-039]
WOS Research AreaChemistry ; Materials Science
WOS SubjectChemistry, Applied ; Materials Science, Coatings & Films
WOS IDWOS:000612267900001
PublisherSPRINGER
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/159066
Collection中国科学院金属研究所
Corresponding AuthorLiu, Fuchun
Affiliation1.Chinese Acad Sci, Inst Met Res, Key Lab Nucl Mat & Safety Assessment, Shenyang 110016, Peoples R China
2.Univ Sci & Technol China, Sch Mat Sci & Engn, Hefei 230026, Peoples R China
3.Fed Univ Technol, Dept Polymer & Text Engn, Shenyang, Peoples R China
4.Shenyang Zhongke Engn Technol Ctr Corros Control, Shenyang 110016, Peoples R China
5.Inst Corros Sci & Technol, Guangzhou 510530, Peoples R China
Recommended Citation
GB/T 7714
Uzoma, Paul C.,Wang, Qiumeng,Zhang, Wanyu,et al. Investigation of the wettability, anticorrosion, and accelerated weathering behaviors of siloxane-modified acrylic resin and functionalized graphene nanocomposite coatings on LY12 aluminum alloy[J]. JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH,2021:18.
APA Uzoma, Paul C.,Wang, Qiumeng,Zhang, Wanyu,Gao, Ning Jie,Liu, Fuchun,&Han, En-Hou.(2021).Investigation of the wettability, anticorrosion, and accelerated weathering behaviors of siloxane-modified acrylic resin and functionalized graphene nanocomposite coatings on LY12 aluminum alloy.JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH,18.
MLA Uzoma, Paul C.,et al."Investigation of the wettability, anticorrosion, and accelerated weathering behaviors of siloxane-modified acrylic resin and functionalized graphene nanocomposite coatings on LY12 aluminum alloy".JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH (2021):18.
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