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Issue 7, 2015
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Highly stretchable and super tough nanocomposite physical hydrogels facilitated by the coupling of intermolecular hydrogen bonds and analogous chemical crosslinking of nanoparticles

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Abstract

Highly stretchable and super tough nanocomposite physical hydrogels (NCP gels) were fabricated by a facile and one-pot process. NCP gels show superior mechanical properties with tensile strength of 73 kPa–313 kPa and elongation at break of 1210–3420%. This is due to the effective strengthening mechanism: under stretching, the intermolecular hydrogen bonds can dynamically break and recombine to dissipate energy and homogenize the gel network. In addition, vinyl hybrid silica nanoparticles (VSNPs) can work as stress transfer centres to transfer stress to the grafted polymer chains.

Graphical abstract: Highly stretchable and super tough nanocomposite physical hydrogels facilitated by the coupling of intermolecular hydrogen bonds and analogous chemical crosslinking of nanoparticles

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Publication details

The article was received on 08 Oct 2014, accepted on 30 Dec 2014 and first published on 30 Dec 2014


Article type: Communication
DOI: 10.1039/C4TB01654H
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J. Mater. Chem. B, 2015,3, 1187-1192

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    Highly stretchable and super tough nanocomposite physical hydrogels facilitated by the coupling of intermolecular hydrogen bonds and analogous chemical crosslinking of nanoparticles

    F. Shi, X. Wang, R. Guo, M. Zhong and X. Xie, J. Mater. Chem. B, 2015, 3, 1187
    DOI: 10.1039/C4TB01654H

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