Journal
MATERIALS CHEMISTRY FRONTIERS
Volume 1, Issue 4, Pages 767-779Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c6qm00243a
Keywords
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Funding
- Institute of Materials Research and Engineering, A*STAR, Singapore [IMRE/13-2P0806]
- A*STAR Graduate Scholarship
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A urethane-based dual-responsive shape memory polymer (SMP) comprising poly(ethylene glycol) (PEG), poly(e-caprolactone) (PCL) and poly(dimethylsiloxane) (PDMS) was prepared. Water-responsive SME was achieved through the solvation and recrystallization of PEG switching segments. Thermo-responsive SME of the copolymer at physiological temperature was also demonstrated. The dual-responsive SMP shows promise for biomedical applications in which the physiological environment ensures constant exposure to water for water-triggered actuation with a suitable response time, while the thermally-triggered SME of the copolymer may be utilised to further augment shape recovery.
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