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Highly reinforced and degradable lignocellulose biocomposites by polymerization of new polyester oligomers

Nature communications, 2022-09, Vol.13 (1), p.5666-5666, Article 5666 [Peer Reviewed Journal]

The Author(s) 2022. This work is published under http://creativecommons.org/licenses/by/4.0/ (the “License”). Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License. ;The Author(s) 2022 ;ISSN: 2041-1723 ;EISSN: 2041-1723 ;DOI: 10.1038/s41467-022-33283-z ;PMID: 36167843

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  • Title:
    Highly reinforced and degradable lignocellulose biocomposites by polymerization of new polyester oligomers
  • Author: Oliaei, Erfan ; Olsén, Peter ; Lindström, Tom ; Berglund, Lars A
  • Subjects: Biomedical materials ; Carbon sinks ; Cellulose ; Composite materials ; Degradation ; Fabrication ; Fibers ; Fibrils ; Lignocellulose ; Mechanical properties ; Nanofibers ; Oligomers ; Plant fibers ; Polyesters ; Polymerization ; Polymers ; Reinforcement ; Vegetable fibers ; Wood fibers
  • Is Part Of: Nature communications, 2022-09, Vol.13 (1), p.5666-5666, Article 5666
  • Description: Abstract Unbleached wood fibers and nanofibers are environmentally friendly bio-based candidates for material production, in particular, as reinforcements in polymer matrix biocomposites due to their low density and potential as carbon sink during the materials production phase. However, producing high reinforcement content biocomposites with degradable or chemically recyclable matrices is troublesome. Here, we address this issue with a new concept for facile and scalable in-situ polymerization of polyester matrices based on functionally balanced oligomers in pre-formed lignocellulosic networks. The idea enabled us to create high reinforcement biocomposites with well-dispersed mechanically undamaged fibers or nanocellulose. These degradable biocomposites have much higher mechanical properties than analogs in the literature. Reinforcement geometry (fibers at 30 µm or fibrils at 10–1000 nm diameter) influenced the polymerization and degradation of the polyester matrix. Overall, this work opens up new pathways toward environmentally benign materials in the context of a circular bioeconomy.
  • Publisher: London: Nature Publishing Group
  • Language: English
  • Identifier: ISSN: 2041-1723
    EISSN: 2041-1723
    DOI: 10.1038/s41467-022-33283-z
    PMID: 36167843
  • Source: SWEPUB Freely available online
    ProQuest Central
    DOAJ Directory of Open Access Journals
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