Issue 29, 2017

“Freezing”, morphing, and folding of stretchy tough hydrogels

Abstract

Highly stretchable and tough Ca-alginate/polyacrylamide hydrogels were “frozen” and folded into program-controlled shapes by exposing them to an Fe3+ ion aqueous solution. The elastic modulus of the as-made tough gels increased either in bulk or locally up to 2.90 MPa, while the toughness remained within the range from 8.18 to 4.41 kJ m−2.

Graphical abstract: “Freezing”, morphing, and folding of stretchy tough hydrogels

Supplementary files

Article information

Article type
Communication
Submitted
10 May 2017
Accepted
27 Jun 2017
First published
27 Jun 2017

J. Mater. Chem. B, 2017,5, 5726-5732

“Freezing”, morphing, and folding of stretchy tough hydrogels

T. Li, J. Wang, L. Zhang, J. Yang, M. Yang, D. Zhu, X. Zhou, S. Handschuh-Wang, Y. Liu and X. Zhou, J. Mater. Chem. B, 2017, 5, 5726 DOI: 10.1039/C7TB01265A

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