폴리머 (Polymer(Korea))

  • 제38권4호
  • /
  • Pages.484-490
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  • 2014
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  • 0379-153X(pISSN)
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  • 2234-8077(eISSN)
한국고분자학회 (The Polymer Society of Korea)
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환원된 산화그래핀/젤라틴 복합필름의 합성과 분석

Synthesis and Characterization of Reduced Graphene Oxide/Gelatin Composite Films

  • Chen, Guangxin (School of Materials Science and Engineering, Qilu University of Technology) ;
  • Qiao, Congde (School of Materials Science and Engineering, Qilu University of Technology) ;
  • Xu, Jing (Shandong Provincial Key Laboratory of Fine Chemicals, Qilu University of Technology) ;
  • Yao, Jinshui (School of Materials Science and Engineering, Qilu University of Technology)
  • 투고 : 2013.12.30
  • 심사 : 2014.03.03
  • 발행 : 2014.07.25
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초록

Reduced graphene oxide (RGO) was fabricated using gelatin as a reductant, and it could be stably dispersed in gelatin solution without aggregation. A series of RGO/gelatin composite films with various RGO contents were prepared by a solution-casting method. The structure and thermal properties of the RGO/gelatin composite films were characterized by UV-vis spectroscopy, Fourier transform infrared (FTIR) spectroscopy, X-ray diffraction (XRD), atomic force microscopy (AFM), scanning electron microscopy (SEM), differential scanning calorimeter (DSC) and thermal gravimetric analysis (TGA). The addition of RGO enhances the degree of crosslinking of gelatin films and decreases the swelling ability of the gelatin films in water, indicating that RGO/gelatin composite films have a better wet stability than gelatin films. The glass transition temperature ($T_g$) of gelatin films is also increased with the incorporation of RGO. The presence of RGO slightly increases the degradation temperature of gelatin films due to the very low content of RGO in the composite films. Since gelatin is a natural and nontoxic biomacromolecule, the RGO/gelatin composite films are expected to have potential applications in the biomedical field.

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피인용 문헌

  1. Targeted drug delivery potential of hydrogel biocomposites containing partially and thermally reduced graphene oxide and natural polymers prepared via green process vol.293, pp.2, 2015, https://doi.org/10.1007/s00396-014-3400-z