Citation: Shu-Peng Zhang, Bin Liu, Cheng-Yin Li, Wei Chen, Zhi-Jian Yao, Dong-Ting Yao, Rong-Bing Yu, Hai-Ou Song. Enhanced dispersibility and thermal stability of β-cyclodextrin functionalized graphene[J]. Chinese Chemical Letters, ;2014, 25(2): 355-358. shu

Enhanced dispersibility and thermal stability of β-cyclodextrin functionalized graphene

1.
a School of Chemical Engineering, Nanjing University of Science and Technology, Nanjing 210094, China;
2.
b School of the Environment, Nanjing University, Nanjing 210046, China

Corresponding author: Shu-Peng Zhang, Hai-Ou Song,
Received Date: 27 August 2013
Available Online: 1 November 2013

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 be 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.
- β-Cyclodextrin,
- Functionalized graphene,
- Dispersibility,
- Thermal stability
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沈阳化工大学材料科学与工程学院沈阳 110142