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Printed Ionic-Covalent Entanglement Hydrogels From Carrageenan And An Epoxy Amine, Shannon Bakarich, Paul Balding, Robert Gorkin Iii, Geoffrey M. Spinks, Marc In Het Panhuis
Printed Ionic-Covalent Entanglement Hydrogels From Carrageenan And An Epoxy Amine, Shannon Bakarich, Paul Balding, Robert Gorkin Iii, Geoffrey M. Spinks, Marc In Het Panhuis
Australian Institute for Innovative Materials - Papers
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.