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Improving Mechanical Textile Recycling by Lubricant Pre-Treatment to Mitigate Length Loss of Fibers
University of Borås, Faculty of Textiles, Engineering and Business. (Advanced textile Structures)ORCID iD: 0000-0001-5744-9800
University of Borås, Faculty of Textiles, Engineering and Business.
University of Borås, Faculty of Textiles, Engineering and Business.ORCID iD: 0000-0002-9935-8306
University of Borås, Faculty of Textiles, Engineering and Business.ORCID iD: 0000-0002-1286-7053
2020 (English)In: Sustainability, E-ISSN 2071-1050, Vol. 12, no 20Article in journal (Refereed) Published
Sustainable development
According to the author(s), the content of this publication falls within the area of sustainable development.
Abstract [en]

Although there has been some research on how to use short fibers from mechanically recycled textiles, little is known about how to preserve the length of recycled fibers, and thus maintain their properties. The aim of this study is to investigate whether a pre-treatment with lubricant could mitigate fiber length reduction from tearing. This could facilitate the spinning of a 100% recycled yarn. Additionally, this study set out to develop a new test method to assess the effect of lubricant loading. Inter-fiber cohesion was measured in a tensile tester on carded fiber webs. We used polyethylene glycol (PEG) 4000 aqueous solution as a lubricant to treat fibers and woven fabrics of cotton, polyester (PES), and cotton/polyester. Measurements of fiber length and percentage of unopened material showed the harshness and efficiency of the tearing process. Treatment with PEG 4000 decreased inter-fiber cohesion, reduced fiber length loss, and facilitated a more efficient tearing process, especially for PES. The study showed that treating fabric with PEG enabled rotor spinning of 100% recycled fibers. The inter-fiber cohesion test method suggested appropriate lubricant loadings, which were shown to mitigate tearing harshness and facilitate fabric disintegration in recycling.

Place, publisher, year, edition, pages
Basel: MDPI , 2020. Vol. 12, no 20
Keywords [en]
textile recycling, yarn spinning, inter-fiber cohesion, lubricant, mechanical tearing
National Category
Textile, Rubber and Polymeric Materials
Research subject
Textiles and Fashion (General)
Identifiers
URN: urn:nbn:se:hb:diva-24384DOI: 10.3390/su12208706ISI: 000583088400001Scopus ID: 2-s2.0-85093925329OAI: oai:DiVA.org:hb-24384DiVA, id: diva2:1508214
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Region Västra GötalandAvailable from: 2020-12-09 Created: 2020-12-09 Last updated: 2022-02-10Bibliographically approved

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Lindström, KatarinaPersson, AndersKadi, Nawar

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