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Title: Preparation and dielectric properties of composites based on PVDF and PVDF-grafted graphene obtained from electrospinning-hot pressing method
Authors: Yang, Y
Chen, JJ
Li, Y 
Shi, DL 
Lin, B
Zhang, SJ
Tang, YW
He, FA
Lam, K 
Keywords: PVDF-grafted graphene
Electrospinning-hot pressing method
Dielectric properties
Issue Date: 2018
Publisher: Taylor & Francis
Source: Journal of macromolecular science, Part A : pure and applied chemistry, 2018, v. 55, no. 2, p. 148-153 How to cite?
Journal: Journal of macromolecular science, Part A : pure and applied chemistry 
Abstract: In this work, graphene was modified by the grafting of poly(vinylidene fluoride) (PVDF) using Friedel-Crafts reaction to form PVDF-grafted graphene (PGG) filler, which was confirmed by transmission electron microscope, Fourier transform infrared, Raman spectroscopy, wide angle X-ray diffraction, and thermo-gravimetric analysis. The solution containing as-prepared PVDF-grafted graphene and PVDF was electrospun to form fibrous membranes, which was subjected to hot pressing in the laminating mode to prepare solid PGG/PVDF composite films. The structures of electrospun fibrous membrane and solid PGG/PVDF composite film were investigated by scanning electron microscope. Furthermore, it could be found that the dielectric constants of PGG/PVDF composites exhibiting relatively low dielectric loss factors were significantly higher than that of pure PVDF.
EISSN: 1060-1325
DOI: 10.1080/10601325.2017.1400392
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