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Nanomaterials 2011, 1(1), 3-19; doi:10.3390/nano1010003
Article

Films, Buckypapers and Fibers from Clay, Chitosan and Carbon Nanotubes

,
 and
*
Soft Materials Group, School of Chemistry, University of Wollongong, Northfields Avenue, Wollongong, NSW 2522, Australia
* Author to whom correspondence should be addressed.
Received: 10 February 2011 / Revised: 17 March 2011 / Accepted: 23 March 2011 / Published: 6 April 2011
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Abstract

The mechanical and electrical characteristics of films, buckypapers and fiber materials from combinations of clay, carbon nanotubes (CNTs) and chitosan are described. The rheological time-dependent characteristics of clay are maintained in clay–carbon nanotube–chitosan composite dispersions. It is demonstrated that the addition of chitosan improves their mechanical characteristics, but decreases electrical conductivity by three-orders of magnitude compared to clay–CNT materials. We show that the electrical response upon exposure to humid atmosphere is influenced by clay-chitosan interactions, i.e., the resistance of clay–CNT materials decreases, whereas that of clay–CNT–chitosan increases.
Keywords: chitosan; clay; carbon nanotubes; electrical; mechanical chitosan; clay; carbon nanotubes; electrical; mechanical
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).
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Higgins, T.M.; Warren, H.; Panhuis, M. Films, Buckypapers and Fibers from Clay, Chitosan and Carbon Nanotubes. Nanomaterials 2011, 1, 3-19.

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