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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 which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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MDPI and ACS Style

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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