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Issue 32, 2018
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Smart low molecular weight hydrogels with dynamic covalent skeletons

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Abstract

We report a new strategy for fabricating a smart low molecular weight hydrogel based on dynamic covalent chemistry from a bola-type supra-gelator, which was facilely fabricated in situ from two non-assembling building blocks, (3-(2-(4-formylphenoxy) ethyl)-1-methyl imidazolium bromide, MA) and (3,3′-dithiobis (propionohydrazide), DSPDZ), through dynamic acylhydrazone bonding. The obtained low molecular weight hydrogels exhibited redox-responsive and controllable self-healing properties. The role of dynamic covalent bonding in the formation of smart hydrogels is revealed in this study, which provides a simple and bottom-up method for constructing smart low molecular weight hydrogels.

Graphical abstract: Smart low molecular weight hydrogels with dynamic covalent skeletons

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Publication details

The article was received on 20 Jul 2018, accepted on 23 Jul 2018 and first published on 24 Jul 2018


Article type: Paper
DOI: 10.1039/C8SM01482E
Citation: Soft Matter, 2018,14, 6678-6683
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    Smart low molecular weight hydrogels with dynamic covalent skeletons

    P. Sun, S. Ren, F. Liu, A. Wu, N. Sun, L. Shi and L. Zheng, Soft Matter, 2018, 14, 6678
    DOI: 10.1039/C8SM01482E

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