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Proceedings Paper

Study on shape recovery speed of SMP, SMP composite, and SMP foam
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Paper Abstract

Shape memory polymer (SMP) receives increasing attention along with its derivants - SMP composite and SMP foam in recent years. In this paper, after fabricating thermoset styrene-based SMP, SMP/carbon black (CB) composite and SMP foam, we studied their shape recovery speed in bending. Different from those reported in the literature, we propose a new approach, i.e., using infrared light, for actuating SMP materials for shape recovery. The results show that SMP, SMP/CB composite and SMP foam can recover to their original shape perfectly in a wide temperature range. Shape recovery speed of SMP composite is not uniform during the overall recovery process, and it is the same trend with SMP but not prominent with SMP foam. Repeatability of shape recovery speed for styrene-based SMP and SMP/CB composite are similarly stable and the former is the better, but it is so worse for SMP foam. Temperature-dependent of shape recovery speed test for styrene-based SMP and SMP/CB composite reveal that higher temperature increases their shape recovery speed.

Paper Details

Date Published: 26 March 2008
PDF: 8 pages
Proc. SPIE 6931, Nanosensors and Microsensors for Bio-Systems 2008, 69310D (26 March 2008); doi: 10.1117/12.775955
Show Author Affiliations
Xuelian Wu, Harbin Institute of Technology (China)
Yanju Liu, Harbin Institute of Technology (China)
Jinsong Leng, Harbin Institute of Technology (China)


Published in SPIE Proceedings Vol. 6931:
Nanosensors and Microsensors for Bio-Systems 2008
Vijay K. Varadan, Editor(s)

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