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A transparent, tough self-healing hydrogel based on dual physically and chemically triple crosslinked network

Abstract

Self-healing hydrogels are new type of functional material that have been widely used in many fields. Although various self-healing hydrogels have been reported, the simultaneous achievement of transparency, toughness, good recovery, and superior self-healing properties is still challenging. Here, we designed a new hydrogel with a dual physical and chemical triple crosslinked network. The triple crosslinked network hydrogel after freeze–thaw cycling resulted in higher stability, toughness and better tensile properties than those provided by the dual crosslinked network in the as-prepared hydrogel. In addition, the triple crosslinked network structure provided reliable recovery performance and superior self-healing ability without requiring external stimuli. With the combination of high transparency, toughness, good recovery, and self-healing properties, we demonstrated the hydrogel in resistance and capacitance sensors, which can be applied to a wide range of human motion monitoring and intelligent wearable devices.

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Publication details

The article was received on 21 May 2019, accepted on 11 Oct 2019 and first published on 11 Oct 2019


Article type: Paper
DOI: 10.1039/C9TC02697E
J. Mater. Chem. C, 2019, Accepted Manuscript

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    A transparent, tough self-healing hydrogel based on dual physically and chemically triple crosslinked network

    S. Dai, S. Wang, D. Xu, X. Xu, X. Cao, Y. Chen, X. Zhou, J. N. Ding and N. Yuan, J. Mater. Chem. C, 2019, Accepted Manuscript , DOI: 10.1039/C9TC02697E

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