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Biodegradable body temperature‐responsive shape memory polyurethanes with self‐healing behavior
Author(s) -
Shuai Li,
Jun Zhang,
Jianjun Chen,
Ming Yao,
Xuepeng Liu,
Zhiguo Jiang
Publication year - 2019
Publication title -
polymer engineering and science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.503
H-Index - 111
eISSN - 1548-2634
pISSN - 0032-3888
DOI - 10.1002/pen.25061
Subject(s) - self healing , materials science , shape memory alloy , composite material , melting temperature , shape memory polymer , polymer science , medicine , alternative medicine , pathology
Biodegradable body temperature‐responsive shape memory polyurethanes, with self‐healing function, were synthesized here from PCDL, MDI and different chain extenders, in which the chain extenders are designed to adjust their transition temperatures and shape memory properties. Once deformed at proper temperature, they show more than 96% shape fixation until heated near body temperature, where they recover their original shape (100%) within 20 s. Moreover, these polyurethanes could be self‐healing at proper temperature, which makes them available in many medical fields. POLYM. ENG. SCI., 59:E310–E316, 2019. © 2019 Society of Plastics Engineers

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