Textile Science and Engineering (한국섬유공학회지)

The Korean Fiber Society (한국섬유공학회)
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Fine Structure and Physical Properties of Graphene/Poly(vinylidene fluoride-co-hexafluoropropylene) Composite Films Prepared under Various Drawing Conditions

연신 조건에 따른 그래핀/PVDF-HFP 복합 필름의 미세구조 및 물성 분석

  • Kim, Hyelim (Research Institute of Convergence Design, Dong-A University) ;
  • Lee, Sunhee (Department of Fashion Design, Dong-A University)
  • 김혜림 (동아대학교 융합디자인연구소) ;
  • 이선희 (동아대학교 패션디자인학과)
  • Received : 2017.02.09
  • Accepted : 2017.04.16
  • Published : 2017.04.30
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Abstract

Graphene/poly(vinylidene fluoride-co-hexafluoropropylene)(PVDF-HFP) composite films were prepared by the solution casting method. The resultant 2 wt% graphene/ PVDF-HFP composite films were uniaxially drawn at $50^{\circ}C$, $75^{\circ}C$, and $100^{\circ}C$. Investigation of the surface morphology of these films confirmed that the orientation of the polymer matrix. The XRD results showed ${\alpha}$-phase crystals. With increasing drawing temperature, the (002) reflections of graphene decreased and the (100) and (020) planes of the ${\alpha}$-phase of PVDF-HFP increased. DSC thermograms indicated no change in the melting temperature but a slight increase in crystallinity with increasing drawing temperatures. The surface resistivity of the graphene/PVDF-HFP composite films in the case of $75^{\circ}C$ drawing temperature were slightly lower than those in the case of the other two temperatures.

Keywords

Acknowledgement

Supported by : 한국연구재단

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