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Impact of non-solvents in the tetrabutylammonium acetate: dimethyl sulfoxide-cellulose system
RISE - Research Institutes of Sweden, Materials and Production, IVF.ORCID iD: 0000-0002-2513-4289
RISE - Research Institutes of Sweden, Materials and Production, IVF.ORCID iD: 0000-0002-5212-780x
RISE - Research Institutes of Sweden, Materials and Production, IVF.ORCID iD: 0000-0003-4765-8224
RISE - Research Institutes of Sweden, Materials and Production, IVF.ORCID iD: 0000-0003-1259-6414
2016 (English)In: The 7th Workshop on cellulose, regenerated cellulose and cellulose derivatives, 2016, p. 19-22Conference paper, Oral presentation with published abstract (Other academic)
Abstract [en]

This work examines the potential of tetrabutylammonium acetate: dimethyl sulfoxide (TBAAc:DMSO) as a solvent used in a process for producing man-made cellulose fibers. The tolerance towards nonsolvents is an important step to evaluate the recyclability of the solvent. TBAAc:DMSO was in this work further confirmed to be an efficient solvent for cellulose. Non-solvent tolerance depended on cellulose concentration, TBAAc:DMSO ratio and type of non-solvent. There was no significant change in mechanical properties for filaments regenerated from solutions containing 2 wt% non-solvent compared to those spun from virgin solvent. With 4 wt% ethanol present in solution very brittle filaments were produced, not suitable for use as textile fibers.

Place, publisher, year, edition, pages
2016. p. 19-22
National Category
Paper, Pulp and Fiber Technology
Identifiers
URN: urn:nbn:se:ri:diva-30205OAI: oai:DiVA.org:ri-30205DiVA, id: diva2:1129582
Conference
7th Workshop on cellulose, regenerated cellulose and cellulose derivatives, November 15-16, 2016, Örnsköldsvik, Sweden
Available from: 2017-08-04 Created: 2017-08-04 Last updated: 2019-06-24Bibliographically approved

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Bengtsson, JennyOlsson, CarinaIdström, AlexanderKöhnke, Tobias

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