Individual dispersion of carbon nanotubes in epoxy via a novel dispersion-curing approach using ionic liquids

Hameed, Nishar, Salim, Nisa V., Hanley, Tracey L., Sona, Mrunali, Fox, Bronwyn L. and Guo, Qipeng 2013, Individual dispersion of carbon nanotubes in epoxy via a novel dispersion-curing approach using ionic liquids, Physical chemistry chemical physics, vol. 15, no. 28, pp. 11696-11703.

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Title Individual dispersion of carbon nanotubes in epoxy via a novel dispersion-curing approach using ionic liquids
Author(s) Hameed, Nishar
Salim, Nisa V.
Hanley, Tracey L.
Sona, Mrunali
Fox, Bronwyn L.
Guo, Qipeng
Journal name Physical chemistry chemical physics
Volume number 15
Issue number 28
Start page 11696
End page 11703
Total pages 8
Publisher Royal Society of Chemistry
Place of publication Cambridge, England
Publication date 2013
ISSN 1463-9076
1463-9084
Summary The effective dispersion of carbon nanotubes (CNTs) in a thermoset was achieved using ionic liquid as the dispersion-curing agent. We preferentially dispersed multiwalled carbon nanotubes (MWCNTs) down to individual tube levels in epoxy resin. Here the dispersion is ruled by the depletion of physical bundles within the MWCNT networks, for which molecular ordering of ionic liquids is considered responsible. The quantitative analyses using ultra small angle X-ray scattering (USAXS) confirmed the dispersion of individual MWCNTs in the matrix. The distance between the dispersed nanotubes was calculated at different nanotube loadings using the power law fitting of the USAXS data. The fine dispersion and subsequent curing, both controlled by ionic liquid, lead to composites with substantially enhanced fracture mechanical and thermomechanical properties with no reduction in thermal properties. Merging processing techniques of nanocomposites with ionic liquid for efficient dispersion of nanotubes and preferential curing of thermosets facilitates the development of new, high performance materials.
Language eng
Field of Research 109999 Technology not elsewhere classified
Socio Economic Objective 970110 Expanding Knowledge in Technology
HERDC Research category C1 Refereed article in a scholarly journal
Persistent URL http://hdl.handle.net/10536/DRO/DU:30055254

Document type: Journal Article
Collection: Institute for Frontier Materials
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