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15 April 2016 Crosslinkage of polymethylhydrosiloxanes utilizing a diallyl functionalized nitroaniline derivative
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For the processing of dielectric elastomer actuators (DEAs) one promising class of materials are silicones. They are lowcost and easily accessible. At the same time these materials offer unique mechanical, chemical, low temperature, and optical properties. An active field of research is the optimisation of the silicones’ properties by modifying their framework on the structural level. The focus of this work is to improve the actuation performance of DEAs made up from polydimethylsiloxane (PDMS) by incorporating organic dipoles directly into the polymer’s chains as network points. For this purpose, a diallyl functionalised nitroaniline derivative was utilised as crosslinker for appropriate PDMS starting materials. Silicone films with dipole concentrations varying from 0.5wt% to 1.0wt% were manufactured and the chemical, mechanical, electrical, and electromechanical properties of these novel materials were investigated in dependency of the dipole content.
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Miriam Biedermann, Martin Blümke, Hartmut Krüger, and Michael Wegener "Crosslinkage of polymethylhydrosiloxanes utilizing a diallyl functionalized nitroaniline derivative", Proc. SPIE 9798, Electroactive Polymer Actuators and Devices (EAPAD) 2016, 97981E (15 April 2016);

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