Issue 7, 2015

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

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

Supplementary files

Article information

Article type
Communication
Submitted
14 ذو الحجة 1435
Accepted
08 ربيع الأول 1436
First published
08 ربيع الأول 1436

J. Mater. Chem. B, 2015,3, 1187-1192

Author version available

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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