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Augmenting static and dynamic mechanical strength of carbon nanotube/epoxy soft nanocomposites via modulation of purification and functionalization routes

Abstract

A detailed experimental investigation was carried out to establish the relation of CNT purification and functionalization route to the average response of CNT/epoxy nanocomposites under static as well dynamic loading. It was shown that the relative improvement in the mechanical properties of epoxy matrix due to addition of CNTs depends on the choice of purification and functionalization step. A better dispersion of CNTs was recorded for functionalized CNTs as compared to oxidized and CVD grown CNTs. Moreover, tensile, 3-point bending and nanoDMA testing performed on nanocomposites processed with CVD grown, oxidized and functionalized CNTs revealed that COOH functionalization after oxidation of CNTs at 350 oC is the optimized processing route to harness excellent properties of CNTs in CNT/epoxy nanocomposites.

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Publication details

The article was received on 01 Sep 2017, accepted on 01 Dec 2017 and first published on 04 Dec 2017


Article type: Paper
DOI: 10.1039/C7SM01768E
Citation: Soft Matter, 2017, Accepted Manuscript
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    Augmenting static and dynamic mechanical strength of carbon nanotube/epoxy soft nanocomposites via modulation of purification and functionalization routes

    B. K. Billing, P. Dhar, N. Singh and P. Agnihotri, Soft Matter, 2017, Accepted Manuscript , DOI: 10.1039/C7SM01768E

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