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Textile qualities of regenerated cellulose fibers from cotton waste pulp
University of Borås, Faculty of Textiles, Engineering and Business. (Textil materialteknik)ORCID iD: 0000-0002-9935-8306
University of Borås, Faculty of Textiles, Engineering and Business.
University of Borås, Faculty of Textiles, Engineering and Business.
re:newcell AB.
2017 (English)In: Textile research journal, ISSN 0040-5175, E-ISSN 1746-7748Article in journal (Refereed) Published
Sustainable development
The content falls within the scope of Sustainable Development
Abstract [en]

Cotton is not the answer to meet the rapidly growing demand for textile fibers. Wood-based regenerated cellulosefibers are an attractive alternative. Since wood is a candidate to replace fossil raw materials in so many applications of thecircular economy, other sources need investigation. Cotton linters work in the viscose process – can cotton waste beused to make dissolving pulp? We describe the textile qualities of lyocell fibers from (i) pure cotton waste pulp and(ii) blending with conventional dissolving pulp. The staple fibers were tensile tested, yarns spun and tensile tested andknitted, and tested for shrinkage, water and dye sorption, abrasion resistance, fuzzing and pilling, staining and fastness.TENCEL staple fibers and off-the-shelf TENCEL yarn were used as references. The results show that the two studyfibers had tenacity and an E-modulus that exceeded the staple fiber reference. Also, the study yarns were at least as goodas the spun reference yarn and the commercial off-the-shelf yarn in terms of wet tenacity. Single jerseys made from thestudy yarns shrunk less upon laundering, which is surprising since they could absorb at least as much water at acomparable rate as the references. Dyeability, staining and color fastness, durability and pilling tendency showed thatthe two study fiber tricots performed at least as good as the references. This study suggests that cotton waste is apromising candidate for special grade pulp to suit niche regenerated fiber products or to spice up conventional woodbaseddissolving pulp.

Place, publisher, year, edition, pages
2017.
Keyword [en]
cotton waste pulp, staple fiber, circular economy, environmental sustainability, spinning, fabrication
National Category
Textile, Rubber and Polymeric Materials
Research subject
Textiles and Fashion (General)
Identifiers
URN: urn:nbn:se:hb:diva-12971DOI: 10.1177/0040517517723021OAI: oai:DiVA.org:hb-12971DiVA, id: diva2:1155024
Funder
VINNOVA, Dnr2014-05567
Available from: 2017-11-06 Created: 2017-11-06 Last updated: 2017-12-14Bibliographically approved

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Publisher's full texthttp://journals.sagepub.com/doi/abs/10.1177/0040517517723021

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