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Biopolymer Based Tough and Self-Recovering Ionic-Covalent Entanglement Hydrogels

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Abstract

Emerging applications for hydrogels such as soft robotics and tissue engineering require hydrogels with enhanced mechanical performance. We report the mechanical characteristics of two types of hydrogels: i) ionic-covalent entanglement (ICE) network hydrogels based on calcium cross-linked gellan gum and genipin cross-linked gelatin and ii) ICE microsphere reinforced gelatin hydrogels. This investigation showed that ICE gels can recover up 80% of their mechanical behavior during 5 repeated compressions. In addition, the optimum mechanical performance of gelatin reinforced gels was achieved with inclusion of 40% of ICE microspheres.

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Acknowledgments

This work was funded by the University of Wollongong and the Australian Research Council Centre of Excellence and Future Fellowship programs.

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Authors and Affiliations

  1. Soft Materials Group, School of Chemistry and Intelligent Polymer Research Institute, ARC Centre of Excellence for Electromaterials Science, AIIM Facility, University of Wollongong, Wollongong, NSW, 2522, Australia

    Damian M. Kirchmajer & Marc in het Panhuis

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  1. Damian M. Kirchmajer
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  2. Marc in het Panhuis
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Kirchmajer, D.M., Panhuis, M.i.h. Biopolymer Based Tough and Self-Recovering Ionic-Covalent Entanglement Hydrogels. MRS Online Proceedings Library 1685, 38–41 (2014). https://doi.org/10.1557/opl.2014.689

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  • DOI: https://doi.org/10.1557/opl.2014.689

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