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Polymers 2019, 11(3), 450; https://doi.org/10.3390/polym11030450

Comparison of Properties of PVA Nanocomposites Containing Reduced Graphene Oxide and Functionalized Graphene

Department of Polymer Science and Engineering, Kumoh National Institute of Technology, Gumi 39177, Korea
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Received: 15 February 2019 / Revised: 3 March 2019 / Accepted: 6 March 2019 / Published: 8 March 2019
(This article belongs to the Special Issue Nanostructured Polymers and Nanocomposites)
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Abstract

The thermal properties, morphologies, oxygen barrier properties, and electrical conductivities of poly(vinyl alcohol) (PVA) hybrid films containing different nanofillers were compared. For the fabrication of the PVA hybrid films, we used reduced graphene oxide (RGO) synthesized from graphite or functionalized hexadecylamine-graphene sheets (HDA-GS) obtained from HDA and GS as a reinforcing filler. The properties of the PVA hybrid films fabricated by intercalating PVA and the fillers for different filler contents ranging from 3 to 10% w/w were then compared. The dispersions of the graphene fillers in the matrix polymers were examined using wide-angle X-ray diffraction and field emission scanning electron microscopy, and the changes in their thermal properties were observed using differential scanning calorimetry and thermogravimetric analysis. Moreover, we measured the oxygen permeability and electrical conductivity of the films to investigate their industrial applications. In addition, all the physical properties of the PVA composites obtained using the two nanofillers were compared. View Full-Text
Keywords: poly(vinyl alcohol) (PVA); reduced graphene oxide; functionalized-graphene sheet; nanocomposite poly(vinyl alcohol) (PVA); reduced graphene oxide; functionalized-graphene sheet; nanocomposite
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Park, G.T.; Chang, J.-H. Comparison of Properties of PVA Nanocomposites Containing Reduced Graphene Oxide and Functionalized Graphene. Polymers 2019, 11, 450.

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