Electrorheology of multiwalled carbon nanotube/poly(methyl methacrylate) nanocomposites

被引：83
|
作者：
Park, SJ
Cho, MS
Lim, ST
Choi, HJ [1 ]
Jhon, MS
机构：
[1] Inha Univ, Dept Polymer Sci & Engn, Inchon 402751, South Korea
[2] Carnegie Mellon Univ, Dept Chem Engn, Pittsburgh, PA 15213 USA
来源：
MACROMOLECULAR RAPID COMMUNICATIONS | 2005年 / 26卷 / 19期
关键词：
carbon nanotubes; electrorheology; nanocomposites; polymerization; poly(methyl methacrylate); suspension;
D O I：
10.1002/marc.200500384
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
Multiwalled carbon nanotube (MWNT) nanocomposites dispersed in a poly(methyl methacrylate) (PMMA) matrix were prepared via suspension polymerization, in which radicals induced on the outer wall of the MWNTs by 2,2'-azoisobutyronitrile initiate the grafting of PMMA. The synthesized MWNT/PMMA nanocomposite particles were found to have a spherical shape and exhibit a high electrical conductivity, mainly as a result of the carbon nanotubes. A suspension was prepared with MWNT/PMMA particles in insulating silicone oil and its electrorheological properties were investigated by controlling applied direct current (DC) electric field strengths.
引用
收藏
页码：1563 / 1566
页数：4
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