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Advances in Materials Science and Engineering
Volume 2012, Article ID 518392, 5 pages
Research Article

The Influence of Hydroxylated Carbon Nanotubes on Epoxy Resin Composites

1School of Materials Science and Engineering, Jiangsu University of Science and Technology, Zhenjiang 212003, China
2Department of Applied Chemstry, School of Natural and Applied Science, Northwestern Polytechnical University, Xi’an 710129, China

Received 23 July 2012; Accepted 7 November 2012

Academic Editor: Manish U. Chhowalla

Copyright © 2012 Jiaoxia Zhang et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


Hydroxylated multiwall carbon nanotubes (MWNTs)/epoxy resin nanocomposites were prepared with ultrasonic dispersion and casting molding. The effect of hydroxylated MWNTs content on reactive activity of composites is discussed. Then the flexural and electrical properties were studied. Transmission electron microscope was employed to characterize the microstructure of nanocomposites. As a result, the reactive activity of nanocomposites obtained increases with the increasing content of MWNTs. When MWNTs content of the composites is 1 wt%, as compared to neat resin, the flexural strength increases from 143 Mpa to 156 MPa, the modulus increases from 3563 Mpa to 3691 MPa, and the volume and surface resistance of nanocomposites decrease by two orders of magnitude, respectively.