Electric field activated shape memory polymer composite
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United States of America Patent
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Oct 24, 2017
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app pub date -
Apr 16, 2012
filing date -
Apr 14, 2011
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Abstract
Provided is an electrically activated shape memory polymer composite capable of thermal shape reformation using electric power to heat the composite through its matrix glass transition temperature. The composite includes an adaptable polymer matrix component using a diglycidyl ether resin, at least one substantially well-dispersed conductive or magnetic nano-filler component, and at least one elastic, laminated layer. Also provided are methods of preparing the composite and methods of activating the composite. A shape reformation of the composite is triggered by applying an electric field at DC and/or at a frequency above about 1 μHz for a sufficient time.
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