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High-Strength Composite Fibers from Cellulose-Lignin Blends Regenerated from Ionic Liquid Solution

ChemSusChem, 2015-12, Vol.8 (23), p.4030-4039 [Peer Reviewed Journal]

2015 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim ;2015 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim. ;ISSN: 1864-5631 ;EISSN: 1864-564X ;DOI: 10.1002/cssc.201501094 ;PMID: 26542190

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  • Title:
    High-Strength Composite Fibers from Cellulose-Lignin Blends Regenerated from Ionic Liquid Solution
  • Author: Ma, Yibo ; Asaadi, Shirin ; Johansson, Leena-Sisko ; Ahvenainen, Patrik ; Reza, Mehedi ; Alekhina, Marina ; Rautkari, Lauri ; Michud, Anne ; Hauru, Lauri ; Hummel, Michael ; Sixta, Herbert
  • Subjects: biomass ; Carbon - chemistry ; Cellulose ; Cellulose - chemistry ; dyes/pigments ; Eucalyptus ; fibers ; ionic liquids ; Ionic Liquids - chemistry ; Lignin ; Lignin - chemistry ; organosolv ; Sensors ; Solutions ; Tensile Strength ; Textiles ; Volatilization
  • Is Part Of: ChemSusChem, 2015-12, Vol.8 (23), p.4030-4039
  • Description: Composite fibres that contain cellulose and lignin were produced from ionic liquid solutions by dry‐jet wet spinning. Eucalyptus dissolving pulp and organosolv/kraft lignin blends in different ratios were dissolved in the ionic liquid 1,5‐diazabicyclo[4.3.0]non‐5‐enium acetate to prepare a spinning dope from which composite fibres were spun successfully. The composite fibres had a high strength with slightly decreasing values for fibres with an increasing share of lignin, which is because of the reduction in crystallinity. The total orientation of composite fibres and SEM images show morphological changes caused by the presence of lignin. The hydrophobic contribution of lignin reduced the vapour adsorption in the fibre. Thermogravimetric analysis curves of the composite fibres reveal the positive effect of the lignin on the carbonisation yield. Finally, the composite fibre was found to be a potential raw material for textile manufacturing and as a precursor for carbon fibre production. Lignin as a natural dye: We present the production of composite fibers that contain cellulose and lignin from an ionic liquid solution by dry‐jet wet spinning. Two potential applications are pursued. The first approach aims to produce naturally dyed textile fibers. The second approach is to utilize the composite fiber as a precursor for carbon fibre production.
  • Publisher: Germany: Blackwell Publishing Ltd
  • Language: English
  • Identifier: ISSN: 1864-5631
    EISSN: 1864-564X
    DOI: 10.1002/cssc.201501094
    PMID: 26542190
  • Source: MEDLINE
    Alma/SFX Local Collection

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