Facile synthesis: from Laminaria hyperborea to cellulose films and fibers

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

doi:10.1007/s10570-023-05606-w

Facile synthesis: from Laminaria hyperborea to cellulose films and fibers

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

Research output: Contribution to journal › Article › peer-review

Abstract

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.

Original language	English
Pages (from-to)	205-216
Number of pages	12
Journal	Cellulose
Volume	31
Issue number	1
DOIs	https://doi.org/10.1007/s10570-023-05606-w
Publication status	Published - 1 Jan 2024

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© 2023, The Author(s).

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AU - Dai, Yanqi

AU - Sun, Dongyang

AU - Sundaram, Senthilarasu

AU - Delbusso, Angelo

AU - O’Rourke, Dominic

AU - Dorris, Mark

AU - Edirisinghe, Mohan

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AB - 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.

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Facile synthesis: from Laminaria hyperborea to cellulose films and fibers

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