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Reduction of Permittivity in Epoxy Nanocomposites at Low Nano-filler Loadings

Singha, Santanu and Thomas, A Joy (2008) Reduction of Permittivity in Epoxy Nanocomposites at Low Nano-filler Loadings. In: IEEE Conference on Electrical Insulation and Dielectric Phenomena, 26-29 Oct. 2008, Quebec City, Canada, pp. 163-166.

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Abstract

Experimental studies reveal a reduction in the values of permittivity for epoxy nanocomposites; at low filler loadings as compared to neat epoxy over a wide frequency range. This permittivity reduction is attributed to the interaction dynamics between nanoparticles: and epoxy chains at the interface region and interestingly, this interaction has also been found to influence the glass transition temperatures (T-g) of the examined nanocomposite systems. Accordingly, a dual nanolayer interface model for an epoxy based nanocomposite system is analyzed to explain the obtained permittivity characteristics.

Item Type: Conference Paper
Additional Information: Copyright 2008 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.
Department/Centre: Division of Electrical Sciences > Electrical Engineering
Date Deposited: 14 Dec 2009 09:47
Last Modified: 19 Sep 2010 05:33
URI: http://eprints.iisc.ernet.in/id/eprint/20576

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