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Polymers 2017, 9(4), 138; doi:10.3390/polym9040138

A Multiple Shape Memory Hydrogel Induced by Reversible Physical Interactions at Ambient Condition

1
Department of Chemistry, College of Science, North University of China, 030051 Taiyuan, China
2
Key Laboratory of Marine Materials and Related Technologies, Ningbo Institute of Material Technology and Engineering, Chinese Academy of Sciences, 315201 Ningbo, China
3
Institute for Technical and Macromolecular Chemistry, University of Hamburg, Bundesstraße 45, 20146 Hamburg, Germany
*
Authors to whom correspondence should be addressed.
Received: 18 March 2017 / Revised: 7 April 2017 / Accepted: 10 April 2017 / Published: 12 April 2017
(This article belongs to the Special Issue Functionally Responsive Polymeric Materials)
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Abstract

A novel multiple shape memory hydrogel is fabricated based on two reversible physical interactions. The multiple shape memory property is endowed by a simple treatment of soaking in NaOH or NaCl solutions to form chitosan microcrystal or chain-entanglement crosslinks as temporary junctions. View Full-Text
Keywords: multiple shape memory; chitosan; microcrystal; chain entanglement; hydrogel multiple shape memory; chitosan; microcrystal; chain entanglement; hydrogel
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Xiao, H.; Ma, C.; Le, X.; Wang, L.; Lu, W.; Theato, P.; Hu, T.; Zhang, J.; Chen, T. A Multiple Shape Memory Hydrogel Induced by Reversible Physical Interactions at Ambient Condition. Polymers 2017, 9, 138.

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