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Xiaofan Niu, Xinguo Yang, Paul Brochu, Hristiyan Stoyanov, Sungryul Yun, Zhibin Yu and Qibing Pei Bistable Large-Strain Actuation of Interpenetrating Polymer Networks Advanced Materials 24

Article first published online: 18 SEP 2012 | DOI: 10.1002/adma.201202876

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The bistable electroactive polymer is a new smart material capable of large strain, rigid-to-rigid actuation. At the rubbery state of the polymer heated to above its glass transition, stable electrically-induced actuation is obtained at strains as large as 150%. Electromechanical instability can be effectively overcome by the formation of interpenetrating polymer networks. An application as a refreshable braille display is demonstrated.

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