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Localised Actuation in Composites Containing Carbon Nanotubes and Liquid Crystalline Elastomers
Authors:Carlos J Camargo  Humberto Campanella  Jean E Marshall  Núria Torras  Kirill Zinoviev  Eugene M Terentjev  Jaume Esteve
Abstract:A liquid crystalline elastomer–carbon nanotube (LCE‐CNT) composite displays a reversible shape change property in response to light. The development of some systems such as tactile devices requires localised actuation of this material. A method is reported that combines mechanical stretching and thermal crosslinking of an LCE‐CNT for creating sufficiently well‐aligned liquid crystal units to produce localised actuation. The method demonstrates that it is feasible to optically drive a LCE‐CNT film within a localised area, since only the walls of the stretched parts of the film contain aligned LC domains.
Keywords:carbon nanotubes  liquid‐crystalline elastomers (LCE)  molding  nanocomposites  stimuli‐sensitive polymers
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