Journal
MATERIALS LETTERS
Volume 62, Issue 14, Pages 2171-2173Publisher
ELSEVIER
DOI: 10.1016/j.matlet.2007.11.042
Keywords
shape memory materials; polymers; biomaterials; poly (glycerol-sebacate)
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In the present work, we report the excellent shape-memory behavior of Poly (glycerol-sebaeate) (PGS) elastomer for the first time. It is found that the crosslinked, three-dimensional networks of the PGS acting as fixed phase and the amorphous phase of the PGS acting as reversible phase are the two necessary conditions for PGS with shape memory behavior. The response temperature of shape memory is dependent on the glass transition temperature of PGS. The PGS polymer developed has an excellent shape-memory effect, having a shape-memory ratio of above 99.5%. (C) 2007 Elsevier B.V. All rights reserved.
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