Journal
CARBON
Volume 46, Issue 2, Pages 320-328Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.carbon.2007.11.051
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Well-dispersed epoxy/single-walled carbon nanotube (epoxy/SWCNT) composites were prepared by oxidization and functionalization of the SWCNT surfaces using polyamido-amine generation-0 (PAMAM-0) dendrimer. For comparison purposes, neat epoxy, epoxy/PAMAM-0 and epoxy/pristine-SWCNTs were also prepared. The morphology and mechanical properties of the above composite systems were investigated and correlated with the surface characteristics of SWCNTs. It is found that surface functionalization. can effectively improve the dispersion and adhesion of SWCNTs in epoxy. This leads to enhancement in mechanical properties of epoxy, but the improvement is not as significant as expected. it is also found that surface functionalization agent will have an undesirable effect on the physical and mechanical properties of epoxy/SWCNT composites. Issues regarding optimization of mechanical properties of epoxy/SWCNT composites are discussed. (c) 2007 Elsevier Ltd. All rights reserved.
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