The electrical properties of graphite nanosheet filled immiscible polymer blends

被引：26
|
作者：
Chen, Guohua [1 ]
Lu, Jingrong [1 ]
Wu, Dajun [1 ]
机构：
[1] Huaqiao Univ, Dept Mat Sci & Engn, Quanzhou 362021, Peoples R China
来源：
MATERIALS CHEMISTRY AND PHYSICS | 2007年 / 104卷 / 2-3期
基金：
中国国家自然科学基金;
关键词：
graphite nanosheet; conducting polymers; nanocomposites; blends; electrical property;
D O I：
10.1016/j.matchemphys.2007.01.011
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The electrical properties in graphite nanosheet (GN) filled polymer blends which are immiscible with each other were studied as a function of the polymer's blend ratio. The electrical conductivity of polymer blends is found to be determined by two factors: the double percolation effect and the crystalline change of the polymer blends. The SEM micrographs show that GN preferientially distributed unevenly in high-density polyethylene (HDPE). The selective localization of GN in polyblend is also closely related to the crystalline change of polymer blend. The degree of crystallinity of composite is different at different polymer's blend ratio and thereby influences the localization of GN in the polyblend. The piezoresistive behavior of immiscible conductive blends was investigated to gain better understanding of relationship between morphology and electrical conductivity. (c) 2007 Published by Elsevier B.V.
引用
收藏
页码：240 / 243
页数：4
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