Electrical and rheological characteristics of poly(vinyl acetate)/multi-walled carbon nanotube nanocomposites

被引：39
|
作者：
Choi, C. S. [1 ]
Park, B. J. [1 ]
Choi, H. J. [1 ]
机构：
[1] Inha Univ, Dept Polymer Sci & Engn, Inchon 402751, South Korea
来源：
DIAMOND AND RELATED MATERIALS | 2007年 / 16卷 / 4-7期
关键词：
carbon nanotube; nanocomposite; MWNT; morphology;
D O I：
10.1016/j.diamond.2006.11.075
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Focusing on good dispersion of carbon nanotube (CNT) in the polymeric matrix, morphological and theological properties as well as electrical conductivity of poly(vinyl acetate) (PVAc)/multi-walled carbon nanotube (MWNT) nanocomposites were investigated. Electrical properties of the PVAc/MWNT nanocomposites were examined using a resistometer. Small amount of MWNT was observed to remarkably decrease resistivity of the nanocomposites. Internal structure of the nanocomposite materials was characterized by transmission electron microscope. Raman spectroscopy was adopted to investigate molecular motion of CNT in the composites. Moreover, theological properties of the nanocomposites were measured using a rotational rheometer, observing increased storage (G') and loss moduli (G '') as a function of frequency in an oscillatory shear mode. (c) 2006 Elsevier B.V. All rights reserved.
引用
收藏
页码：1170 / 1173
页数：4
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