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New yarn from old clothes

Nature (London), 2022-11, Vol.611 (7936), p.S20-S21 [Peer Reviewed Journal]

Copyright Nature Publishing Group Nov 17, 2022 ;ISSN: 0028-0836 ;EISSN: 1476-4687 ;DOI: 10.1038/d41586-022-03651-2

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  • Title:
    New yarn from old clothes
  • Author: Savage, Neil
  • Subjects: Cellulose ; Cotton ; Crystals ; Enzymes ; Fibers ; Ionic liquids ; Ions ; Latex ; Leather ; Liquid crystals ; Mechanical properties ; Polyester resins ; Polyesters ; Raw materials ; Recycling ; Startups ; Sustainable forestry ; Synthetic fibers ; Textile design ; Wood pulp ; Yarn
  • Is Part Of: Nature (London), 2022-11, Vol.611 (7936), p.S20-S21
  • Description: [...]resources are expended to create virgin material (see 'Thread count') - water and land to grow more cotton, and petroleum to make more polyesters (see 'Recovering polyester'). Evrnu, however, turns the cellulose molecules into liquid crystals before they are extruded, allowing them to align with each other and produce a more crystalline fibre structure. Sixta says his ionic liquid is also completely recyclable, making the process environmentally friendly as well as producing fibres with better mechanical properties than cotton. The Ioncell process can use wood pulp, which Sixta says counts as part of a circular economy because the raw material comes from Finland's sustainable forests - these are managed in such a way that growth outpaces the amount removed. [...]the complex mixture of materials in a piece of clothing - not just different natural and synthetic fibres, but also dyes and chemical coatings, buttons and zips, and any non-woven additions such as leather or latex - must be separated for individual components to be processed.
  • Publisher: London: Nature Publishing Group
  • Language: English
  • Identifier: ISSN: 0028-0836
    EISSN: 1476-4687
    DOI: 10.1038/d41586-022-03651-2
  • Source: ProQuest One Psychology
    AUTh Library subscriptions: ProQuest Central
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