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Facile synthesis: from Laminaria hyperborea to cellulose films and fibers

Dai, Yanqi; Sun, Dongyang; Sundaram, Senthilarasu; Delbusso, Angelo; O’Rourke, Dominic; Dorris, Mark; Edirisinghe, Mohan


Yanqi Dai

Angelo Delbusso

Dominic O’Rourke

Mark Dorris

Mohan Edirisinghe


Inverted nozzle-pressurized gyration was used as a processing methodology for regenerating cellulose extracted from Laminaria hyperborea for the first time. The viscoelasticity of cellulose/1-ethyl-3-methylimidazolium acetate (EMIM OAc) solutions exhibited high concentration dependence, leading to the production of cellulose products with diverse structures. The regenerated cellulose transitioned from thin films to fibers (≈ 5 μm diameter) as the concentration was increased. The impact of collection distance and working pressure on the morphology and yield of fibers was investigated. This work provides a new sustainable route for processing biopolymers, offering significant potential for applications in biomedicine and healthcare.

Journal Article Type Article
Acceptance Date Nov 8, 2023
Online Publication Date Dec 1, 2023
Publication Date 2024-01
Deposit Date Jan 15, 2024
Publicly Available Date Jan 15, 2024
Journal Cellulose
Print ISSN 0969-0239
Publisher Springer
Peer Reviewed Peer Reviewed
Volume 31
Issue 1
Pages 205-216
Keywords Cellulose, Pressurized gyration, Biopolymers, Sustainability, Fibers
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