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The effect of organoclay loading on the dielectric properties and charge dynamics of a PP-rubber nanocomposite

The effect of organoclay loading on the dielectric properties and charge dynamics of a PP-rubber nanocomposite
The effect of organoclay loading on the dielectric properties and charge dynamics of a PP-rubber nanocomposite
The addition of organoclay to a polypropylene-rubber blend, primarily introduced to compatibilise the immiscible polymer blend, invokes contrasting dielectric and charge dynamic behaviour depending on the filler loading level. We report that at 0.5 wt.% loading, the organoclay decreases the DC conductivity, causes no significant dielectric losses, makes no significant difference to the space charge results compared to the unfilled system, and increases the reproducibility of the breakdown strength results, and hence the reliability of the material. These somewhat surprising results, contrasted by measurements of samples with 2.5 and 5 wt.%, lead us to conclude that trace amounts of organoclay improve the otherwise immiscible polymer blend making organoclay a suitable additive for HVDC applications.
2397-7264
662-668
Shaw, Allison Vivienne
fc27d683-8a43-476c-b5c9-85a49e08f17f
Andritsch, Thomas
8681e640-e584-424e-a1f1-0d8b713de01c
Vaughan, Alun
6d813b66-17f9-4864-9763-25a6d659d8a3
Ketsamee, Phichet
320757bd-99cd-43d2-a8e8-b8100f15f461
Shaw, Allison Vivienne
fc27d683-8a43-476c-b5c9-85a49e08f17f
Andritsch, Thomas
8681e640-e584-424e-a1f1-0d8b713de01c
Vaughan, Alun
6d813b66-17f9-4864-9763-25a6d659d8a3
Ketsamee, Phichet
320757bd-99cd-43d2-a8e8-b8100f15f461

Shaw, Allison Vivienne, Andritsch, Thomas, Vaughan, Alun and Ketsamee, Phichet (2020) The effect of organoclay loading on the dielectric properties and charge dynamics of a PP-rubber nanocomposite. High Voltage, 5 (6), 662-668. (doi:10.1049/hve.2019.0376).

Record type: Article

Abstract

The addition of organoclay to a polypropylene-rubber blend, primarily introduced to compatibilise the immiscible polymer blend, invokes contrasting dielectric and charge dynamic behaviour depending on the filler loading level. We report that at 0.5 wt.% loading, the organoclay decreases the DC conductivity, causes no significant dielectric losses, makes no significant difference to the space charge results compared to the unfilled system, and increases the reproducibility of the breakdown strength results, and hence the reliability of the material. These somewhat surprising results, contrasted by measurements of samples with 2.5 and 5 wt.%, lead us to conclude that trace amounts of organoclay improve the otherwise immiscible polymer blend making organoclay a suitable additive for HVDC applications.

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The effect of organoclay loading on the dielectric properties and charge dynamics of a PP-rubber - Accepted Manuscript
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Accepted/In Press date: 17 April 2020
e-pub ahead of print date: 20 April 2020

Identifiers

Local EPrints ID: 439500
URI: http://eprints.soton.ac.uk/id/eprint/439500
ISSN: 2397-7264
PURE UUID: 57dedb14-6b30-4d34-a540-648ada1bd6b7
ORCID for Allison Vivienne Shaw: ORCID iD orcid.org/0000-0001-9726-312X
ORCID for Thomas Andritsch: ORCID iD orcid.org/0000-0002-3462-022X
ORCID for Alun Vaughan: ORCID iD orcid.org/0000-0002-0535-513X

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Date deposited: 24 Apr 2020 16:31
Last modified: 26 Nov 2021 06:15

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Contributors

Author: Allison Vivienne Shaw ORCID iD
Author: Thomas Andritsch ORCID iD
Author: Alun Vaughan ORCID iD
Author: Phichet Ketsamee

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