Oppositely charged polyelectrolytes form tough, self-healing, and rebuildable hydrogels
- PMID: 25809867
- DOI: 10.1002/adma.201500140
Oppositely charged polyelectrolytes form tough, self-healing, and rebuildable hydrogels
Abstract
A series of tough polyion complex hydrogels is synthesized by sequential homopolymerization of cationic and anionic monomers. Owing to the reversible interpolymer ionic bonding, the materials are self-healable under ambient conditions with the aid of saline solution. Furthermore, self-glued bulk hydrogels can be built from their microgels, which is promising for 3D/4D printing and the additive manufacturing of hydrogels.
Keywords: hydrogels; polyion complexes; rebuildability; self-healing; tough.
© 2015 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
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