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All-Cellulose Composites Properties from Pre- and Post-Consumer Denim Wastes: Comparative Study
University of Borås, Faculty of Textiles, Engineering and Business.ORCID iD: 0000-0003-4509-0647
University of Borås, Faculty of Textiles, Engineering and Business.ORCID iD: 0000-0002-6596-8069
University of Borås, Faculty of Textiles, Engineering and Business.ORCID iD: 0000-0002-1286-7053
2022 (English)In: Journal of Composites Science, E-ISSN 2504-477X, Vol. 6, no 5, article id 130Article in journal (Other (popular science, discussion, etc.)) Published
Sustainable development
According to the author(s), the content of this publication falls within the area of sustainable development.
Abstract [en]

This study reports the recycling of discarded denim textiles by the production of all-cellulose composites (ACCs). Discarded denim fabrics were shredded into fibers and then made into nonwoven fabrics by carding and needle punching. The produced nonwoven fabrics were converted to ACCs by one-step and two-step methods using an ionic liquid (IL), 1-butyl-3-methyl imidazolium acetate ([BMIM][Ac]). In this study, the effect of different ACC manufacturing methods, denim fabrics with different contents (a 100% cotton denim (CO) and a blend material (cotton, poly-ester and elastane (BCO)) and reusing of IL as a recycled cellulose solvent on the mechanical pro-perties of the formed ACCs were investigated. The ACCs were characterized according to their tensile and impact properties, as well as their void content. Microscopic analysis was carried out to study the morphology of a cross-section of the formed composites. The choice of the one-step method with recycled IL, pure IL or with a blend material (BCO) had no influence on the tensile properties. Instead, the result showed that the two-step method, with and without DMSO, will influence the E-modulus but not the tensile strength. Regarding the impact properties of the samples, the only factor likely to influence the impact energy was the one-step method with CO and BCO.

Place, publisher, year, edition, pages
2022. Vol. 6, no 5, article id 130
Keywords [en]
all-cellulose composites, end-of-life textiles, denim fabrics, ionic liquid, mechanical properties, sustainability
National Category
Textile, Rubber and Polymeric Materials Composite Science and Engineering
Identifiers
URN: urn:nbn:se:hb:diva-27987DOI: 10.3390/jcs6050130ISI: 000804303600001Scopus ID: 2-s2.0-85147702835OAI: oai:DiVA.org:hb-27987DiVA, id: diva2:1668267
Funder
Swedish Research Council Formas, 2016‐00920Available from: 2022-06-13 Created: 2022-06-13 Last updated: 2024-02-01Bibliographically approved

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Baghaei, BehnazSkrifvars, MikaelKadi, Nawar

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