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25 March 2021 Protecting dielectric elastomers from the space environment with ultra high SPF sunscreen
Joseph Ashby, Eduardo Trifoni, Joice Mathew, Iain A. Anderson, Thomas Loho, Samuel Rosset, E.-F. Markus Henke
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Proceedings Volume 11587, Electroactive Polymer Actuators and Devices (EAPAD) XXIII; 115871A (2021) https://doi.org/10.1117/12.2582924
Event: SPIE Smart Structures + Nondestructive Evaluation, 2021, Online Only
Abstract
Silicone is used in the space industry for protecting underlying materials from atomic oxygen. This oxygen reacts with the silicone to form silicon dioxide, which is highly resistant to further attack. Our work is focussed on exploring the use of dielectric elastomer transducers (DETs) in the space sector. These devices often use silicone as their key elastomeric component, if a DET becomes oxidised its motion is at least severely impaired if not completely halted. We have developed a solution to this problem in the form of a protective coating. We present here results of ground-based testing testing of the coating.
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Joseph Ashby, Eduardo Trifoni, Joice Mathew, Iain A. Anderson, Thomas Loho, Samuel Rosset, and E.-F. Markus Henke "Protecting dielectric elastomers from the space environment with ultra high SPF sunscreen", Proc. SPIE 11587, Electroactive Polymer Actuators and Devices (EAPAD) XXIII, 115871A (25 March 2021); https://doi.org/10.1117/12.2582924
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KEYWORDS
Silicon
Dielectrics
Optical coatings
Oxygen
Ultraviolet radiation
Oxides
Silica
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