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Proceedings Paper

Electrically conductive shape-memory polymer filled with Ni powder chains
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Paper 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.

Paper Details

Date Published: 6 April 2009
PDF: 8 pages
Proc. SPIE 7287, Electroactive Polymer Actuators and Devices (EAPAD) 2009, 72871S (6 April 2009); doi: 10.1117/12.815713
Show Author Affiliations
Xin Lan, Harbin Institute of Technology (China)
Yanju Liu, Harbin Institute of Technology (China)
Jinsong Leng, Harbin Institute of Technology (China)

Published in SPIE Proceedings Vol. 7287:
Electroactive Polymer Actuators and Devices (EAPAD) 2009
Yoseph Bar-Cohen; Thomas Wallmersperger, Editor(s)

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