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Adv Mater. 2013 May 28;25(20):2849-53. doi: 10.1002/adma.201205321. Epub 2013 Feb 19.

Preorganized hydrogel: self-healing properties of supramolecular hydrogels formed by polymerization of host-guest-monomers that contain cyclodextrins and hydrophobic guest groups.

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  • 1Department of Macromolecular Science, Graduate School of Science, Osaka University, Toyonaka, Osaka, Japan.


Supramolecular hydrogels formed by a host-guest interaction show self-healing properties. The cube-shaped hydrogels with β-cyclodextrin and adamantane guest molecules mend after being broken. The hydrogels sufficiently heal to form a single gel, and the initial strength is restored. Although contact between a freshly cut and uncut surface does not mend the gels, two freshly cut surfaces selectively mend.

Copyright © 2013 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

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