Absorption of silicone fluid in a silicone elastomer |
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Authors: | D. E. Mathison B. Yates M. I. Darby |
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Affiliation: | (1) Department of Pure and Applied Physics, University of Salford, M5 4WT Salford, UK;(2) Present address: Green Lane High School, WA15 8QW Timperley, Altrincham, UK |
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Abstract: | Measurements have been made of the absorption properties of a silicone fluid in a silicone elastomer, Aircast 3700, at temperatures between 0 and 150 °C. It was found that the diffusivity could be described by Arrhenius' law. The saturation fluid content was 20% at 0 °C, decreasing to 17% at 120 °C. The swelling was large, up to 26% at saturation, and approximately equalled the volume of fluid absorbed. A reverse thermal effect was observed and an attempt has been made to explain it. |
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