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Polymers 2017, 9(4), 138;

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

Department of Chemistry, College of Science, North University of China, 030051 Taiyuan, China
Key Laboratory of Marine Materials and Related Technologies, Ningbo Institute of Material Technology and Engineering, Chinese Academy of Sciences, 315201 Ningbo, China
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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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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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).

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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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