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Issue 17, 2014
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Metal-coordination: using one of nature's tricks to control soft material mechanics

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Abstract

Growing evidence supports a critical role of dynamic metal-coordination crosslinking in soft biological material properties such as self-healing and underwater adhesion. Using bio-inspired metal-coordinating polymers, initial efforts to mimic these properties have shown promise. Here we demonstrate how bio-inspired aqueous polymer network mechanics can be easily controlled via metal-coordination crosslink dynamics; metal ion-based crosslink stability control allows aqueous polymer network relaxation times to be finely tuned over several orders of magnitude. In addition to further biological material insights, our demonstration of this compositional scaling mechanism should provide inspiration for new polymer material property-control designs.

Graphical abstract: Metal-coordination: using one of nature's tricks to control soft material mechanics

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Article information


Submitted
03 Oct 2013
Accepted
13 Nov 2013
First published
13 Nov 2013

J. Mater. Chem. B, 2014,2, 2467-2472
Article type
Communication

Metal-coordination: using one of nature's tricks to control soft material mechanics

N. Holten-Andersen, A. Jaishankar, M. J. Harrington, D. E. Fullenkamp, G. DiMarco, L. He, G. H. McKinley, P. B. Messersmith and K. Y. C. Lee, J. Mater. Chem. B, 2014, 2, 2467
DOI: 10.1039/C3TB21374A

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