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Unfolding graphene nanosheets towards high barrier performance of epoxy/graphene nanocomposite coating
Wu, Tingting1; Yang, Yanjia1; Sun, Wen1; Yang, Zhengqing1; Wang, Lida1; Wang, Jing2; Liu, Guichang1
2022-02-01
Source PublicationCOMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING
ISSN1359-835X
Volume153Pages:10
Corresponding AuthorSun, Wen(sunw@dlut.edu.cn)
AbstractThe improvement of barrier properties brought by graphene is severely restricted for graphene/polymer nanocomposites due to inevitable crumpling and folding of embedded graphene. Herein, graphene was sandwiched into mesoporous silica via a soft-template method, achieving unfolded graphene/SiO2 nanosheets (rGOSs). The barrier properties of the rGOSs-reinforced coatings (rGOSc) are evaluated. Experimental results reveal that, compared with conventional graphene/epoxy coating, the water vapor and oxygen transmission rate of rGOSc decreases by 65.2% and 62.3%, respectively, and corresponding corrosion resistance increases by similar to 3-4 orders of magnitude. Numerical results further demonstrate that, comparing with conventional graphene with irregular crumpling and folding morphology, unfolded rGOSs perform better in prolonging and twisting the diffusion pathway of diffusing species in coating matrix.
KeywordGraphene Nanocomposites Corrosion Numerical analysis
DOI10.1016/j.compositesa.2021.106732
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[21978036] ; National Natural Science Foundation of China[U1808210] ; Doctoral Start-up Foundation of Liaoning Province[2019-BS-046] ; Research Fund of Open Studio for Marine Corrosion and Protection, Pilot National Laboratory for Marine Science and Technology (Qingdao)[HYFSKF-201804]
WOS Research AreaEngineering ; Materials Science
WOS SubjectEngineering, Manufacturing ; Materials Science, Composites
WOS IDWOS:000737122500001
PublisherELSEVIER SCI LTD
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.qdio.ac.cn/handle/337002/177639
Collection中国科学院海洋研究所
Corresponding AuthorSun, Wen
Affiliation1.Dalian Univ Technol, Sch Chem Engn, Dalian 116024, Liaoning, Peoples R China
2.Chinese Acad Sci, Inst Oceanol, Qingdao 266071, Shandong, Peoples R China
Recommended Citation
GB/T 7714
Wu, Tingting,Yang, Yanjia,Sun, Wen,et al. Unfolding graphene nanosheets towards high barrier performance of epoxy/graphene nanocomposite coating[J]. COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING,2022,153:10.
APA Wu, Tingting.,Yang, Yanjia.,Sun, Wen.,Yang, Zhengqing.,Wang, Lida.,...&Liu, Guichang.(2022).Unfolding graphene nanosheets towards high barrier performance of epoxy/graphene nanocomposite coating.COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING,153,10.
MLA Wu, Tingting,et al."Unfolding graphene nanosheets towards high barrier performance of epoxy/graphene nanocomposite coating".COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING 153(2022):10.
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