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

Published online by Cambridge University Press:  14 July 2014

Damian M. Kirchmajer  and
Marc in het Panhuis
Damian M. Kirchmajer
Affiliation:
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
Marc in het Panhuis
Affiliation:
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
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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.

Keywords

biomaterialcompositepolymer
Type
Articles
Information
MRS Online Proceedings Library (OPL) , Volume 1685: Symposium U – Soft Nanomaterials , 2014 , mrss14-1685-u07-09
Copyright
Copyright © Materials Research Society 2014 

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References

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