Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/11234
Title: Crosslinked polyurethanes with shape memory properties
Authors: Hu, J 
Yang, Z
Yeung, L
Ji, F
Liu, Y
Keywords: Crosslinked
Mechanical properties
Polyurethane
Shape memory
Shape memory behavior
Thermomechanical properties
Issue Date: 2005
Publisher: John Wiley & Sons
Source: Polymer international, 2005, v. 54, no. 5, p. 854-859 How to cite?
Journal: Polymer international 
Abstract: A series of shape memory polyurethanes (SMPUs) was prepared from polycaprolactone diol (PCL) 4000, 1,4-butanediol (BDO), dimethylol propionic acid (DMPA), triethylamine, and 4,4′-diphenylmethane diisocyanate (MDI), to which excess MDI or glycerin were added to obtain crosslinked shape memory polyurethanes. Their mechanical, thermomechanical, thermal and shape memory properties were investigated by using differential scanning calorimetry (DSC), Fourier-transform (FTIR) spectroscopy, dynamic mechanical analysis (DMA) and tensile testing. The results showed that crosslinked SMPUs have better thermal and thermomechanical properties than those prepared from linear polyurethanes and display good shape memory effects.
URI: http://hdl.handle.net/10397/11234
ISSN: 0959-8103
EISSN: 1097-0126
DOI: 10.1002/pi.1785
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