Journal
ADVANCED MATERIALS
Volume 24, Issue 48, Pages 6513-6519Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adma.201202876
Keywords
bistable electroactive polymers; interpenetrating polymer networks; polymer swelling; actuation; Braille display
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Funding
- US Department of Education [H133G100072]
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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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