In situ preparation, morphology and electrical properties of carbon nanofiber/polydimethylsiloxane nanocomposites

被引：19
|
作者：
Roy, Nabarun [1 ]
Bhowmick, Anil K. [1 ,2 ]
机构：
[1] Indian Inst Technol, Ctr Rubber Technol, Kharagpur 721302, W Bengal, India
[2] Indian Inst Technol, Patna 800013, Bihar, India
来源：
JOURNAL OF MATERIALS SCIENCE | 2012年 / 47卷 / 01期
关键词：
GRAPHITE COMPOSITE-MATERIALS; SILICATE NANOCOMPOSITES; MECHANICAL-PROPERTIES; POLYMER COMPOSITES; DISPERSION DEGREE; AC CONDUCTIVITY; NANOTUBES; TRANSPORT; PERCOLATION; SURFACE;
D O I：
10.1007/s10853-011-5795-y
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
For the first time, a series of carbon nanofiber (CNF)/polydimethylsiloxane(PDMS)-based nanocomposites was prepared using in situ polymerization technique by critical manipulation of factors, such as method of preparation and chemical modification of filler. Quantification of the degree of dispersion was done by introducing a dispersion degree parameter. Extent of dispersion was found to improve by amine modification of CNFs. Electrical conductivity was found to undergo profound increase when compared with that of the insulating base polymer. Amine-modified CNF-based nanocomposites showed percolation threshold at lower filler loading compared with unmodified CNF-based nanocomposites. These results of electrical properties measurements were correlated with the results of TEM analysis.
引用
收藏
页码：272 / 281
页数：10
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