4.6 Article

Printed ionic-covalent entanglement hydrogels from carrageenan and an epoxy amine

Journal

RSC ADVANCES
Volume 4, Issue 72, Pages 38088-38092

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/c4ra07109c

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Funding

  1. University of Wollongong, Australian National Fabrication Facility (ANFF)
  2. Australian Research Council Centre of Excellence

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Carrageenan/epoxy amine ionic-covalent entanglement hydrogels were fabricated on a 3D printer. The thermal gel transition behaviour of the biopolymer kappa-carrageenan was exploited to fix the shape of the patterned ink until a covalent polymer network formed by epoxy amine addition chemistry. The printed hydrogels display a work of extension value of 1.4 +/- 0.3 MJ m(-3).

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