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


Vol. 54,  No. 2, pp. 109-115, Apr.  2017
10.12772/TSE.2017.54.109


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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 ℃, 75 ℃, and 100 ℃. Investigation of the surface morphology of these films confirmed that the orientation of the polymer matrix. The XRD results showed α-phase crystals. With increasing drawing temperature, the (002) reflections of graphene decreased and the (100) and (020) planes of the α-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 ℃ drawing temperature were slightly lower than those in the case of the other two temperatures.

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pISSN : 1225 - 1089
eISSN : 2288 - 6419

한국연구재단 우수등재학술지 유지 (2022년)