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Role of Molecular Weight in Polymer Wrapping and Dispersion of MWNT in a PVDF Matrix

1
Flinders Centre for Nanoscale Science and Technology, College of Science and Engineering, Flinders University, Bedford Park, Adelaide, South Australia 5042, Australia
2
Australian Institute for Bioengineering and Nanotechnology, The University of Queensland, St. Lucia, Brisbane, Queensland 4072, Australia
*
Authors to whom correspondence should be addressed.
Polymers 2019, 11(1), 162; https://doi.org/10.3390/polym11010162
Received: 30 November 2018 / Revised: 8 January 2019 / Accepted: 13 January 2019 / Published: 17 January 2019
(This article belongs to the Special Issue Nanotechnology of Polymers and Biomaterials)
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Abstract

The thermal and electrical properties of a polymer nanocomposite are highly dependent on the dispersion of the CNT filler in the polymer matrix. Non-covalent functionalisation with a PVP polymer is an excellent driving force towards an effective dispersion of MWNTs in the polymer matrix. It is shown that the PVP molecular weight plays a key role in the non-covalent functionalisation of MWNT and its effect on the thermal and electrical properties of the polymer nanocomposite is reported herein. The dispersion and crystallisation behaviour of the composite are also evaluated by a combination of scanning electron microscopy (SEM) and differential scanning calorimetry (DSC). View Full-Text
Keywords: Polyvinylpyrrolidone; Poly(4-vinylpyridine), polymer nanocomposite; thermal conductivity; polymer wrapping Polyvinylpyrrolidone; Poly(4-vinylpyridine), polymer nanocomposite; thermal conductivity; polymer wrapping
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).

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Namasivayam, M.; Andersson, M.R.; Shapter, J. Role of Molecular Weight in Polymer Wrapping and Dispersion of MWNT in a PVDF Matrix. Polymers 2019, 11, 162.

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