Water-responsive programmable shape memory polymer devices

W. M. Huang; B. Yang; N. Liu; S. J. Phee

doi:10.1117/12.779663

1 November 2007 Water-responsive programmable shape memory polymer devices

W. M. Huang, B. Yang, N. Liu, S. J. Phee

Proceedings Volume 6423, International Conference on Smart Materials and Nanotechnology in Engineering; 64231S (2007) https://doi.org/10.1117/12.779663
Event: International Conference on Smart Materials and Nanotechnology in Engineering, 2007, Harbin, China

Abstract

Shape memory polymers (SMPs) have a number of advantages as compared with their metal counterpart, namely shape memory alloys (SMAs), in particular for some particular medical applications. The recent finding of the influence of moisture on the glass transition temperature of polyurethane SMPs, which are typically thermo-responsive in nature, enable us to realize not only the water driven feature for shape recovery, but also the recovery following a predetermined sequence, i.e., programmed recovery. Utilizing these new features, we demonstrate a few novel applications of this SMP, which might be of the particular interest for medical devices in, for instance, minimally invasive surgery.

Citation Download Citation

W. M. Huang, B. Yang, N. Liu, and S. J. Phee "Water-responsive programmable shape memory polymer devices", Proc. SPIE 6423, International Conference on Smart Materials and Nanotechnology in Engineering, 64231S (1 November 2007); https://doi.org/10.1117/12.779663

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