Multiwall carbon nanotube/epoxy composites produced by a masterbatch process

被引：63
|
作者：
Wichmann, M. H. G. [1 ]
Sumfleth, J. [1 ]
Fiedler, B. [1 ]
Gojny, F. H. [1 ]
Schulte, K. [1 ]
机构：
[1] Tech Univ Hamburg, Inst Polymer Composites, D-21073 Hamburg, Germany
来源：
MECHANICS OF COMPOSITE MATERIALS | 2006年 / 42卷 / 05期
关键词：
nanocomposites; production; epoxy matrix; carbon nanotubes; fracture toughness; electrical conductivity;
D O I：
10.1007/s11029-006-0050-3
中图分类号：
O3 [力学];
学科分类号：
08 ; 0801 ;
摘要：
A masterbatch process based on a minicalander (three-roller mill) and a vacuum dissolver was developed in order to produce multiwall carbon nanotube/epoxy composites with loading fractions of 0.5, 1.0, and 2.0 wt.%. TEM and SEM analyses were performed to investigate the dispersion results. A contrast imaging in the SEM backscattering mode revealed a homogeneous distribution of carbon nanotubes in the whole volume of the material. Furthermore, an interesting correlation was found to exist between the network structure formed by the nanotubes in the epoxy matrix and the appearance of fracture surface of the nanocomposites. Furthers more, the nanocomposites exhibited an electrical conductivity in the regime of some 10(-2) S/m.
引用
收藏
页码：395 / 406
页数：12
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