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Swelling of PDMS Networks in Solvent Vapours; Applications for Passive RFID Wireless Sensors

Rumens, C.V., Ziai, M.A., Belsey, K.E., Batchelor, J.C., Holder, S.J. (2015) Swelling of PDMS Networks in Solvent Vapours; Applications for Passive RFID Wireless Sensors. Journal of Materials Chemistry C, 3 (39). pp. 10091-10098. ISSN 2050-7526. (doi:10.1039/c5tc01927c) (KAR id:50284)

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http://dx.doi.org/10.1039/c5tc01927c

Abstract

The relative degree of swelling of a poly(dimethylsiloxane) (PDMS) network in organic vapours is demonstrated to be related to the chemical and physical properties of the organic compounds. The swelling ratio, based on volume change, QV, is directly correlated with the Hansen solubility parameters, dd, dp and dh and the vapour pressures of the organic vapours employed. A practical use for such PDMS networks in combination with an understanding of the relationship is demonstrated by the use of PDMS as a mechanical actuator in a prototype wireless RFID passive sensor. The swelling of the PDMS displaces a feed loop resulting in an increase in transmitted power, at a fixed distance.

Item Type: Article
DOI/Identification number: 10.1039/c5tc01927c
Uncontrolled keywords: PDMS, sensor, passive RFID, wireless sensing, swelling
Subjects: Q Science > QD Chemistry
T Technology > TK Electrical engineering. Electronics. Nuclear engineering > TK7800 Electronics > TK7871.6 Antennas and waveguides
Divisions: Divisions > Division of Computing, Engineering and Mathematical Sciences > School of Engineering and Digital Arts
Divisions > Division of Natural Sciences > School of Physical Sciences
Depositing User: John Batchelor
Date Deposited: 25 Aug 2015 14:03 UTC
Last Modified: 16 Feb 2021 13:27 UTC
Resource URI: https://kar.kent.ac.uk/id/eprint/50284 (The current URI for this page, for reference purposes)
Batchelor, J.C.: https://orcid.org/0000-0002-5139-5765
Holder, S.J.: https://orcid.org/0000-0001-8977-9257
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