期刊
MATERIALS CHEMISTRY AND PHYSICS
卷 98, 期 2-3, 页码 368-372出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.matchemphys.2005.09.065
关键词
shape memory polyurethane; shape memory effect; thermonnechanical properties; crosslinked
A series of crosslinked shape memory polyurethanes (SMPUs) were prepared from polycaprolactone diol 4000, 1,4-butanediol, dimethylol propionic acid (DMPA), triethylamine, glycerin, and 4,4'-diphenylmethane diisocyanate (MDI). Their morphology, microstructure, mechanical, thermomechanical, and shape memory properties were investigated using DSC, FT-IR, DMA, and tensile testing. The results showed that crosslinked SMPUs have better thermal and thermomechanical properties, and a good shape memory effect. (c) 2005 Elsevier B.V All rights reserved.
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