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Enhanced dispersibility and thermal stability of β-cyclodextrin functionalized graphene 被引量:2

Enhanced dispersibility and thermal stability of β-cyclodextrin functionalized graphene
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摘要 A series of β-cyclodextrin (CDs) functionalized graphene nanohybrids have been successfully fabricated utilizing the classical covalent modification methods at different reaction temperatures. It is very interesting that although both CDs and graphene oxide (GO) could he easily decomposed, the effective combination of GO with CDs leads to significantly enhanced thermal stability of graphene derivatives (GO-CDs). Moreover, the introduction of CDs could dramatically improve the dispersibility promotion of our products in both polar/protic and nonpolar/aprotic solvents, which will contribute to the preparation of polymer nanocomposites and increase of their thermal stability. The improved thermal degradation temperatures can be obtained for polyvinyl alcohol after filling with as little as 1 wt.% of the hybrid. The obtained products could be potentially used in heat-retardant or thermal-control materials. A series of β-cyclodextrin (CDs) functionalized graphene nanohybrids have been successfully fabricated utilizing the classical covalent modification methods at different reaction temperatures. It is very interesting that although both CDs and graphene oxide (GO) could he easily decomposed, the effective combination of GO with CDs leads to significantly enhanced thermal stability of graphene derivatives (GO-CDs). Moreover, the introduction of CDs could dramatically improve the dispersibility promotion of our products in both polar/protic and nonpolar/aprotic solvents, which will contribute to the preparation of polymer nanocomposites and increase of their thermal stability. The improved thermal degradation temperatures can be obtained for polyvinyl alcohol after filling with as little as 1 wt.% of the hybrid. The obtained products could be potentially used in heat-retardant or thermal-control materials.
出处 《Chinese Chemical Letters》 SCIE CAS CSCD 2014年第2期355-358,共4页 中国化学快报(英文版)
基金 supported by China Postdoctoral Science Foundation Funded Project(No.20100481146) Jiangsu Planned Projects for Postdoctoral Research Funds(No.1002015C) Natural Science Foundation of Jiangsu Province(No.BK2011712, BK20130575) National University Student Innovation Program(No.201210288036) NJUST Opening Measuring Fund of Large Precious Apparatus(No.2012-01-15)
关键词 Β-CYCLODEXTRIN Functionalized graphene DISPERSIBILITY Thermal stability β-Cyclodextrin Functionalized graphene Dispersibility Thermal stability
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