Effect of Thermal Treatment on the Dielectric Performance of a Silicone Rubber
Effect of Thermal Treatment on the Dielectric Performance of a Silicone Rubber
Poly(dimethylsiloxane) (PDMS) is the most widely known silicone rubber with many applications. Commercial PDMS products, such as the one featured here, might not be optimized for electrical applications, as suppliers tend to keep their products’ compositions secret. PDMS is synthesized by chemical routes that typically yield volatile by-products. Lately it has been demonstrated that a post-curing thermal treatment might be advantageous due to removal of such volatile species. In this study we investigate the effect of post-curing on the DC conductivity, as well as the dielectric performance of a popular, commercially available PDMS product. It is revealed that the elastomer’s performance improves in both aspects upon post-curing. Analytical methods such as thermogravimetric analysis (TGA), as well as Raman spectroscopy show removal of up to ~1.5 wt.% of cyclic oligomeric volatiles, as well as complete depletion of unreacted reactive species, upon post-curing.
Vryonis, Orestis
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Andritsch, Thomas
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Vaughan, Alun
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Morshuis, P
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Claverie, A
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Vryonis, Orestis
4affde05-88f2-436f-b036-dceedf31ea9c
Andritsch, Thomas
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Vaughan, Alun
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Morshuis, P
9c29729a-9a0f-42b5-944c-0aead897770b
Claverie, A
64ffaaf8-2669-4a53-957a-233a50d8baef
Vryonis, Orestis, Andritsch, Thomas, Vaughan, Alun, Morshuis, P and Claverie, A
(2022)
Effect of Thermal Treatment on the Dielectric Performance of a Silicone Rubber.
IEEE 2022 International Conference on Dielectrics, Palermo, Italy, Palermo, Italy.
03 - 07 Jul 2022.
4 pp
.
(In Press)
Record type:
Conference or Workshop Item
(Paper)
Abstract
Poly(dimethylsiloxane) (PDMS) is the most widely known silicone rubber with many applications. Commercial PDMS products, such as the one featured here, might not be optimized for electrical applications, as suppliers tend to keep their products’ compositions secret. PDMS is synthesized by chemical routes that typically yield volatile by-products. Lately it has been demonstrated that a post-curing thermal treatment might be advantageous due to removal of such volatile species. In this study we investigate the effect of post-curing on the DC conductivity, as well as the dielectric performance of a popular, commercially available PDMS product. It is revealed that the elastomer’s performance improves in both aspects upon post-curing. Analytical methods such as thermogravimetric analysis (TGA), as well as Raman spectroscopy show removal of up to ~1.5 wt.% of cyclic oligomeric volatiles, as well as complete depletion of unreacted reactive species, upon post-curing.
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Accepted/In Press date: 26 May 2022
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IEEE 2022 International Conference on Dielectrics, Palermo, Italy, Palermo, Italy, 2022-07-03 - 2022-07-07
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Local EPrints ID: 468568
URI: http://eprints.soton.ac.uk/id/eprint/468568
PURE UUID: ae2096f2-6e5d-4d7b-9976-48af1343a813
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Date deposited: 18 Aug 2022 16:38
Last modified: 17 Mar 2024 03:40
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Contributors
Author:
Orestis Vryonis
Author:
Thomas Andritsch
Author:
Alun Vaughan
Author:
P Morshuis
Author:
A Claverie
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