6 April 2009 Electrically conductive shape-memory polymer filled with Ni powder chains
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Abstract
The electrical resistivity of a thermoset styrene-based shape-memory polymer (SMP) filled with Ni powders is investigated in this paper. We demonstrate a simple approach to improve the electrical conductivity of thermo-responsive shape-memory polymers (SMPs), so that they can be easily triggered for shape recovery by Joule heating at a low electrical voltage. After adding a small amount of Ni particles into a styrene-based SMP, the electrical resistivity is reduced. Furthermore, if these Ni particles are aligned into chains, by applying a low magnetic field on SMP/Ni solution and then drying to fix the conductive chains, the drop of electrical resistivity is more significant. Due to the improvement of electrical conductivity of the SMP composite, it is more suitable for Joule heat induced shape recovery.
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Xin Lan, Xin Lan, Yanju Liu, Yanju Liu, Jinsong Leng, Jinsong Leng, } "Electrically conductive shape-memory polymer filled with Ni powder chains", Proc. SPIE 7287, Electroactive Polymer Actuators and Devices (EAPAD) 2009, 72871S (6 April 2009); doi: 10.1117/12.815713; https://doi.org/10.1117/12.815713
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