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Shape memory polyurethanes (SMPUs) are typically synthesized using polyols of low molecular weight (M W~2 ,000 g/mol) as it is believed that the high density of cross-links in these low molecular weight polyols are essential for high mechanical strength and good shape memory effect. In this study, polyethylene glycol (PEG-6000) with M W ~6000 g/mol as the soft segment and diisocyanate as the hard segment were used to synthesize SMPUs, and the results were compared with the SMPUs withdoi:10.3390/app2020535 fatcat:pjrrp2banzd27ky6hj2fg2sj2m