High barrier graphene oxide nanosheet/poly(vinyl alcohol) nanocomposite films

被引：277

作者：

Huang, Hua-Dong ^{[1
,2
]}

Ren, Peng-Gang ^{[3
]}

Chen, Jun ^{[1
,2
]}

Zhang, Wei-Qin ^{[1
,2
]}

Ji, Xu ^{[1
,2
]}

Li, Zhong-Ming ^{[1
,2
]}

机构：

[1] Sichuan Univ, Coll Polymer Sci & Engn, Chengdu 610065, Peoples R China

[2] Sichuan Univ, State Key Lab Polymer Mat Engn, Chengdu 610065, Peoples R China

[3] Xian Univ Technol, Inst Printing & Packaging Engn, Xian 710048, Shanxi, Peoples R China

来源：

JOURNAL OF MEMBRANE SCIENCE | 2012年 / 409卷

关键词：

Barrier film; Poly(vinyl alcohol); Graphene oxide nanosheets; GRAPHITE OXIDE; POLYMER/CLAY NANOCOMPOSITES; POLY(VINYL ALCOHOL); PERMEABILITY; COMPOSITES; MORPHOLOGY; NANOSHEETS; SHEETS; MODEL;

D O I：

10.1016/j.memsci.2012.03.051

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

A simple and environmentally friendly method was proposed to prepare high barrier graphene oxide nanosheet (GONS)/poly(vinyl alcohol) (PVA) nanocomposite films. Transmission electrical microscope and two-dimensional wide angle X-ray diffraction techniques showed that GONSs in PVA matrix were fully exfoliated, uniformly dispersed and highly oriented along the surface of nanocomposite films. Fourier-transform infrared spectroscopy (FTIR) and differential scanning calorimetry (DSC) measurements investigated the strong H-bonding interactions between GONSs and PVA matrix. A remarkable improvement on barrier properties of GONS/PVA nanocomposite films was achieved. Both O-2 and water vapor permeability coefficients of PVA film declined by about 98% and 68% at a low GONS loading of 0.72 vol%. This was attributed to excellent impermeable property of GONSs, their full exfoliation, uniform dispersion and high alignment in the PVA matrix and the strong interfacial adhesion between GONSs and PVA matrix. These results demonstrate that such a plate-like nanofiller blending method is an effective strategy to design and fabricate high barrier polymer-based nanocomposite films and it will dramatically promote the application of polymer film in the packaging industry. (C) 2012 Elsevier B.V. All rights reserved.

引用

页码：156 / 163

页数：8

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