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Gels 2016, 2(2), 16; doi:10.3390/gels2020016

Self-Healing Supramolecular Hydrogels Based on Reversible Physical Interactions

Département de Chimie, Université de Montréal, C.P. 6128, Succursale Centre-ville, Montreal, QC H3C 3J7, Canada
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Academic Editor: Clemens K. Weiss
Received: 25 February 2016 / Revised: 23 March 2016 / Accepted: 28 March 2016 / Published: 8 April 2016
(This article belongs to the Special Issue Colloid Chemistry)
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Abstract

Dynamic and reversible polymer networks capable of self-healing, i.e., restoring their mechanical properties after deformation and failure, are gaining increasing research interest, as there is a continuous need towards extending the lifetime and improving the safety and performance of materials particularly in biomedical applications. Hydrogels are versatile materials that may allow self-healing through a variety of covalent and non-covalent bonding strategies. The structural recovery of physical gels has long been a topic of interest in soft materials physics and various supramolecular interactions can induce this kind of recovery. This review highlights the non-covalent strategies of building self-repairing hydrogels and the characterization of their mechanical properties. Potential applications and future prospects of these materials are also discussed. View Full-Text
Keywords: hydrogels; self-healing; supramolecular materials; non-covalent interactions; dynamic cross-links; physical gels; transient networks; mechanical failure and recovery; self-assembly; host-guest chemistry hydrogels; self-healing; supramolecular materials; non-covalent interactions; dynamic cross-links; physical gels; transient networks; mechanical failure and recovery; self-assembly; host-guest chemistry
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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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Strandman, S.; Zhu, X. Self-Healing Supramolecular Hydrogels Based on Reversible Physical Interactions. Gels 2016, 2, 16.

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