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On the dielectric response of silica-based polyethylene nanocomposites

On the dielectric response of silica-based polyethylene nanocomposites
On the dielectric response of silica-based polyethylene nanocomposites
The dielectric response of silica-based polyethylene nanocomposites is studied by dielectric spectroscopy. The results indicate that nanocomposites absorb significantly more water than unfilled polyethylene, with the consequence that both permittivity and loss tangent increase with increasing duration of water immersion. However, appropriate surface treatment of nanosilica is found to reduce the water absorption effect and to modify the dielectric response of the nanocomposites compared with those containing untreated nanosilica. While water absorption may not be a technologically desirable characteristic, our results indicate that water molecules can act as effective dielectric probes of interfacial factors.
0022-3727
095303/1-095303/9
Lau, K.Y.
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Vaughan, A.S.
6d813b66-17f9-4864-9763-25a6d659d8a3
Chen, G.
3de45a9c-6c9a-4bcb-90c3-d7e26be21819
Hosier, I.L
6a44329e-b742-44de-afa7-073f80a78e26
Holt, A.F.
d8269e80-8de2-4117-a6d6-f71345546c5b
Lau, K.Y.
4f20d9d7-c517-4af9-bb57-b4f47538bf68
Vaughan, A.S.
6d813b66-17f9-4864-9763-25a6d659d8a3
Chen, G.
3de45a9c-6c9a-4bcb-90c3-d7e26be21819
Hosier, I.L
6a44329e-b742-44de-afa7-073f80a78e26
Holt, A.F.
d8269e80-8de2-4117-a6d6-f71345546c5b

Lau, K.Y., Vaughan, A.S., Chen, G., Hosier, I.L and Holt, A.F. (2013) On the dielectric response of silica-based polyethylene nanocomposites. Journal of Physics D: Applied Physics, 46 (9), 095303/1-095303/9. (doi:10.1088/0022-3727/46/9/095303).

Record type: Article

Abstract

The dielectric response of silica-based polyethylene nanocomposites is studied by dielectric spectroscopy. The results indicate that nanocomposites absorb significantly more water than unfilled polyethylene, with the consequence that both permittivity and loss tangent increase with increasing duration of water immersion. However, appropriate surface treatment of nanosilica is found to reduce the water absorption effect and to modify the dielectric response of the nanocomposites compared with those containing untreated nanosilica. While water absorption may not be a technologically desirable characteristic, our results indicate that water molecules can act as effective dielectric probes of interfacial factors.

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Published date: 5 February 2013
Organisations: EEE

Identifiers

Local EPrints ID: 352817
URI: http://eprints.soton.ac.uk/id/eprint/352817
ISSN: 0022-3727
PURE UUID: 0ad7fd70-ded6-4d16-a33d-909d2abf6a5a
ORCID for A.S. Vaughan: ORCID iD orcid.org/0000-0002-0535-513X
ORCID for I.L Hosier: ORCID iD orcid.org/0000-0003-4365-9385

Catalogue record

Date deposited: 22 May 2013 13:02
Last modified: 17 Dec 2019 01:52

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