Journal
COMPOSITES SCIENCE AND TECHNOLOGY
Volume 64, Issue 15, Pages 2303-2308Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.compscitech.2004.01.024
Keywords
carbon nanotubes; mechanical properties; thermo mechanical properties
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Functionalisation of multi-wall carbon nanotubes (MWCNTs) influences the thermo-mechanical properties of MWCNT/epoxycomposites. Samples based on epoxy resin and different weight percentage of MWCNTs (functionalised and non-functionalised) were prepared. The investigation of the thermo-mechanical behaviour was performed by dynamic-mechanic thermal analysis (DMTA). A dependence of the nanotube content on the glass transition temperature T-g was observed. An increase in the amount of nanotubes led to an increase of T-g Samples containing functionalised nanotubes showed a stronger influence on T-g in comparison to composites containing the same amount of non-functionalised nanotubes. These results prove the influence of a functionalisation of carbon nanotubes on the interfacial interaction between the polymer and CNT. (C) 2004 Published by Elsevier Ltd.
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