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Issue 23, 2017
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Hierarchical structural double network hydrogel with high strength, toughness, and good recoverability

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Abstract

Hierarchical structural double network hydrogel (H-DN gel) was fabricated by inducing ferric coordination crosslinkers in the second network of PAMPS/P(AAm–AAc) double network hydrogel. Investigations of the tensile and compressive properties indicated that the H-DN gel exhibited a dramatic enhancement in the Young's modulus, tensile ultimate strength, toughness, compressive modulus and stress, compared to traditional double network hydrogels. H-DN hydrogel exhibited good recoverability that remained at ∼70% of the initial dissipated energy after resting at 60 °C for 15 min. Finally, scanning electron microscopy (SEM) revealed that the amount of embedded micro-network structures in H-DN gel became more intensive and the walls got thicker.

Graphical abstract: Hierarchical structural double network hydrogel with high strength, toughness, and good recoverability

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Publication details

The article was received on 29 Aug 2017, accepted on 19 Oct 2017 and first published on 20 Oct 2017


Article type: Paper
DOI: 10.1039/C7NJ03263C
Citation: New J. Chem., 2017,41, 14397-14402
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    Hierarchical structural double network hydrogel with high strength, toughness, and good recoverability

    S. Xiang, W. Qian, T. Li, Y. Wang, M. Chen, P. Ma and W. Dong, New J. Chem., 2017, 41, 14397
    DOI: 10.1039/C7NJ03263C

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