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Enhancement in electrical and thermal performance of high-temperature vulcanized silicone rubber composites for outdoor insulating applications

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Azizi, Sohrab, Momen, Gelareh, Ouellet-Plamondon, Claudiane et David, Eric. 2020. « Enhancement in electrical and thermal performance of high-temperature vulcanized silicone rubber composites for outdoor insulating applications ». Journal of Applied Polymer Science, vol. 137, nº 46.

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Ouellet-Plamondon C 2020 20792.pdf - Accepted Version
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Abstract

High‐temperature vulcanized silicone rubber composites are highly desirable as outdoor insulating materials due to their immense thermal and electrical performance. The aim of this work is to study the role of co‐combined fillers (modified fumed silica [MFS], titanium dioxide [TiO2], with graphene [G]) on electrical and thermal properties of silicone rubber (S) composites. The dielectric response of S/MFS_10 phr and S/TiO2_20 composites tailored with 2 phr G was characterized by broadband dielectric spectroscopy. The hybrid filler/composites were found to show higher thermal stability when 2 phr G was added. In addition, a low quantity of G filler was found to slightly increase the AC dielectric breakdown strength of the S/MFS_10 and S/TiO2_20, where an improvement of 3 and 5% was found, respectively. Several steps were observed in the thermal decomposition of the S rubber composites by thermogravimetric analysis‐Fourier‐transform infrared spectroscopy. Our findings revealed great potentials for fabricating hybrid‐filler/silicone rubber composites with enhanced electrical and thermal properties for outdoor insulating applications.

Item Type: Peer reviewed article published in a journal
Professor:
Professor
Ouellet-Plamondon, Claudiane
David, Éric
Affiliation: Génie de la construction, Génie mécanique
Date Deposited: 16 Jun 2020 21:36
Last Modified: 18 Sep 2020 14:33
URI: https://espace2.etsmtl.ca/id/eprint/20792

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