Journal
MATERIALS LETTERS
Volume 62, Issue 3, Pages 394-397Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.matlet.2007.05.044
Keywords
carbon fibers; carbon nanotubes; functionalization; nanomaterials; fibre technology
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A simple method is developed for grafting carbon nanotubes (CNTs) onto a carbon fiber surface. CNT and carbon fiber undergo an oxidation treatment. Oxidation generates oxygen, like carboxyl, carbonyl or hydroxyl groups, or amine groups on nanotubes and carbon fiber surface. Functionalized CNTs are dispersed in a solvent and deposited on carbon fibers. The bonds between CNT and carbon fiber are operated by esterification, arrhydridation or amidization of the chemical surface groups. The resulting materials are characterized by scanning electron microscopy (SEM). CNTs form a 3D network around the carbon fibers. Likewise, CNT bonding between two fibers is observed. (C) 2007 Elsevier B.V. All rights reserved.
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