Synthesis and characterization of carbon nanotube-reinforced epoxy: Correlation between viscosity and elastic modulus

被引：29
作者：
Hubert, Pascal [1 ]
Ashrafi, Behnam [1 ]
Adhikari, Kamal [1 ]
Meredith, James [1 ]
Vengallatore, Srikar [1 ]
Guan, Jingwen [2 ]
Simard, Benoit [2 ]
机构：
[1] McGill Univ, Dept Mech Engn, Montreal, PQ H3A 2K6, Canada
[2] Natl Res Council Canada, Steacie Inst Mol Sci, Mol & Nanomat Architectures Grp, Ottawa, ON K1A 0R6, Canada
来源：
COMPOSITES SCIENCE AND TECHNOLOGY | 2009年 / 69卷 / 14期
关键词：
Nanocomposites; Carbon nanotubes; Mechanical properties; Raman spectroscopy; Rheology; Thermogravimetric analysis (TGA); MECHANICAL-PROPERTIES; POLYMER COMPOSITES; FUNCTIONALIZATION; NANOCOMPOSITES; DISPERSION;
D O I：
10.1016/j.compscitech.2009.04.023
中图分类号：
TB33 [复合材料];
学科分类号：
摘要：
We report the synthesis and characterization of nanocomposite thin films consisting of single-walled carbon nanotubes with different functionalization schemes dispersed in an epoxy matrix. The thermal, theological, and mechanical properties of nanocomposite thin films were experimentally characterized to establish a relationship between processing and performance. The results from the theological analysis confirmed that the nanotube type and functionalization strongly affect the resin viscosity during cure. A correlation between the theological behaviour and the measured elastic properties was established. Nanotubes produced by plasma and functionalized with carboxyl group had the lowest influence on viscosity and led to the highest improvement in elastic properties. The measured increase in elastic modulus was consistent with predictions based on Mori-Tanaka micromechanics. (C) 2009 Elsevier Ltd. All rights reserved.
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收藏
页码：2274 / 2280
页数：7
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