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Dong Yan
Researcher at Beijing University of Chemical Technology
Publications - 11
Citations - 3204
Dong Yan is an academic researcher from Beijing University of Chemical Technology. The author has contributed to research in topics: Graphene & Epoxy. The author has an hindex of 10, co-authored 11 publications receiving 2709 citations.
Papers
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Journal ArticleDOI
The effect of graphene dispersion on the mechanical properties of graphene/epoxy composites
Long-Cheng Tang,Yanjun Jean Wan,Dong Yan,Yong Bing Pei,Li Zhao,Yi Bao Li,Lian Bin Wu,Jian Xiong Jiang,Guo Qiao Lai +8 more
TL;DR: In this paper, the effect of dispersion state of graphene on mechanical properties of graphene/epoxy composites was investigated, and it was found that the composites with highly dispersed RGO showed higher glass transition temperature (T g ) and strength than those with poorly-dispersed RGO.
Journal ArticleDOI
Grafting of epoxy chains onto graphene oxide for epoxy composites with improved mechanical and thermal properties
Yan Jun Wan,Long-Cheng Tang,Li Xiu Gong,Dong Yan,Yi Bao Li,Lian Bin Wu,Jian Xiong Jiang,Guo Qiao Lai +7 more
TL;DR: In this paper, the surface functionalization of DGEBA layer was found to effectively improve the compatibility and dispersion of GO sheets in epoxy matrix, and increased glass transition temperature and thermal stability was also observed in the dynamic mechanical properties and thermo-gravimetric analysis.
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Tough and highly stretchable graphene oxide/polyacrylamide nanocomposite hydrogels
TL;DR: In this paper, the tensile properties of polyacrylamide (PAM)/graphene oxide (GO) nanocomposite hydrogels were investigated in terms of type and content of cross-linkers.
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Improved dispersion and interface in the graphene/epoxy composites via a facile surfactant-assisted process
Yanjun Jean Wan,Long-Cheng Tang,Dong Yan,Li Zhao,Yi Bao Li,Lian Bin Wu,Jian Xiong Jiang,Guo Qiao Lai +7 more
TL;DR: In this article, a facile surfactant-assisted process was used to improve the dispersion and exfoliation level of highly dispersed graphene in epoxy composites, resulting in increased tensile properties compared with those without surface modification.
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Chemical reduction and removal of Cr(VI) from acidic aqueous solution by ethylenediamine-reduced graphene oxide
TL;DR: In this paper, an indirect reduction mechanism with the assistance of π electrons on the carbocyclic six-membered ring of ED-RGO was used to reduce the toxicity of Cr(VI) to less toxic Cr(III).