Synthesis and characterization of layer-aligned poly(vinyl alcohol)/graphene nanocomposites

被引：348
|
作者：
Yang, Xiaoming [2 ,3 ]
Li, Liang [1 ,3 ]
Shang, Songmin [3 ]
Tao, Xiao-ming [3 ]
机构：
[1] Wuhan Inst Technol, Sch Mat Sci & Engn, Minist Educ, Key Lab Green Chem Proc, Wuhan 430073, Peoples R China
[2] Soochow Univ, Coll Chem Chem Engn & Mat Sci, Suzhou 215123, Peoples R China
[3] Hong Kong Polytech Univ, Inst Text & Clothing, Hong Kong, Hong Kong, Peoples R China
来源：
POLYMER | 2010年 / 51卷 / 15期
关键词：
Nanocomposites; Thermal properties; Mechanical properties; FUNCTIONALIZED GRAPHENE; MECHANICAL-PROPERTIES; FABRICATION; NANOTUBES; SHEETS;
D O I：
10.1016/j.polymer.2010.05.034
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
Layer-aligned poly(vinyl alcohol)/graphene nanocomposites in the form of films are prepared by reducing graphite oxide in the polymer matrix in a simple solution processing. X-ray diffractions, scanning electron microscopy, Fourier-transform infrared spectroscopy, differential scanning calorimetry and thermogravimetric analysis are used to study the structure and properties of these nanocomposites. The results indicate that graphene is dispersed on a molecular scale and aligned in the poly(vinyl alcohol) (PVA) matrix and there exists strong interfacial interactions between both components mainly by hydrogen bonding, which are responsible for the change of the structures and properties of the PVA/graphene nanocomposites such as the increase in T-g and the decrease in the level of crystallization. (C) 2010 Elsevier Ltd. All rights reserved.
引用
收藏
页码：3431 / 3435
页数：5
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