9 April 2013 High-dielectric permittivity elastomers from well-dispersed expanded graphite in low concentrations
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Abstract
The development of elastomer materials with a high dielectric permittivity has attracted increased interest over the last years due to their use in for example dielectric electroactive polymers. For this particular use, both the electrically insulating properties - as well as the mechanical properties of the elastomer - have to be tightly controlled in order not to destroy favorable elastic properties by the addition of particles. In the following, expanded graphite in low concentrations (up to 5 wt%) are investigated as a possible candidate as filler materials in very soft elastomers, which by the addition of traditional fillers in the necessary amounts would either lose their stability or their softness. Furthermore the influence of several mixing procedures on the electrical and mechanical properties is investigated.
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Anders Egede Daugaard, Anders Egede Daugaard, Suzan Sager Hassouneh, Suzan Sager Hassouneh, Malgorzata Kostrzewska, Malgorzata Kostrzewska, Anca Gabriela Bejenariu, Anca Gabriela Bejenariu, Anne Ladegaard Skov, Anne Ladegaard Skov, } "High-dielectric permittivity elastomers from well-dispersed expanded graphite in low concentrations", Proc. SPIE 8687, Electroactive Polymer Actuators and Devices (EAPAD) 2013, 868729 (9 April 2013); doi: 10.1117/12.2009464; https://doi.org/10.1117/12.2009464
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