Recovery and recycling of denim waste

Luiken, A.; Bouwhuis, G.H.

doi:10.1016/b978-0-85709-843-6.00018-4

Cited by 19 publications

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“…This opportunity has been appreciated by the Mistra Future Fashion program that investigates how to make dissolving pulp from cotton waste. 5,6 Also the Dutch company Saxcell, 7 the American company EvRnu 8 and the Swedish company Re:newcell 9 show similar objectives. Both Saxcell 7 and Haule et al.…”

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confidence: 87%

“…5,6 Also the Dutch company Saxcell, 7 the American company EvRnu 8 and the Swedish company Re:newcell 9 show similar objectives. Both Saxcell 7 and Haule et al. 10–12 have taken another step by utilizing their cotton waste pulps to make fibers.…”

mentioning

confidence: 87%

“…10–12 have taken another step by utilizing their cotton waste pulps to make fibers. Saxcell claim to have succeeded both by the viscose and lyocell processes, 7 whereas Haule et al. 10–12 utilized the lyocell process.…”

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confidence: 99%

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Textile qualities of regenerated cellulose fibers from cotton waste pulp

Björquist

Aronsson

Henriksson³

et al. 2017

Textile Research Journal

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Cotton is not the answer to meet the rapidly growing demand for textile fibers. Wood-based regenerated cellulose fibers are an attractive alternative. Since wood is a candidate to replace fossil raw materials in so many applications of the circular economy, other sources need investigation. Cotton linters work in the viscose process -can cotton waste be used 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 and knitted, and tested for shrinkage, water and dye sorption, abrasion resistance, fuzzing and pilling, staining and fastness. TENCEL Õ staple fibers and off-the-shelf TENCEL Õ yarn were used as references. The results show that the two study fibers had tenacity and an E-modulus that exceeded the staple fiber reference. Also, the study yarns were at least as good as the spun reference yarn and the commercial off-the-shelf yarn in terms of wet tenacity. Single jerseys made from the study yarns shrunk less upon laundering, which is surprising since they could absorb at least as much water at a comparable rate as the references. Dyeability, staining and color fastness, durability and pilling tendency showed that the two study fiber tricots performed at least as good as the references. This study suggests that cotton waste is a promising candidate for special grade pulp to suit niche regenerated fiber products or to spice up conventional woodbased dissolving pulp.

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confidence: 87%

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confidence: 87%

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Textile qualities of regenerated cellulose fibers from cotton waste pulp

Björquist

Aronsson

Henriksson³

et al. 2017

Textile Research Journal

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“…The most common outfits in the fashion industry are denim clothing. Denim products have been widely recognized to significantly influence consumers' way of entity since they were invented [9,10]. Denim also has changed its appearance from traditional work-wear to casual clothing to the first wear and functional consumption [11,12].…”

Section: Introductionmentioning

confidence: 99%

Effect of Super White Washing Process Temperature and Optical Brightening Agent Concentration on Various Properties of Stretch Denim Fabric

Hasan¹,

Asif²,

Rahaman³

et al. 2021

IJSE

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This research work was intended to discover the effect of super white washing process temperature and OBA (optical brightening agent) concentration on various properties of stretch denim fabric. Different properties like tensile strength, tear strength, dimensional stability, pilling resistance, hand feel performance, color fastness to washing, color fastness to perspiration, color fastness to light were investigated. All experimental tests were carried out according to the ISO (International Organization for Standardization) standards. Stretch denim fabric treated with super white washing process demonstrated better results regarding tensile strength, tear strength and dimensional stability for 35°C temperature and 30g/L OBA concentration along with illustrated moderate to good ratings in different color fastness properties after gradual increase of processing OBA concentration and temperature; although no significant change was observed regarding the grade of color change and color staining for color fastness to wash, color fastness to perspiration and color fastness to light with respect to stretch denim fabric treated with super white washing. The grade for pilling resistance and hand feel performance was comparatively good after the elevation of processing temperature and OBA concentration. The GSM (gram per square meter) of stretch denim fabric also changed accordingly after increasing the OBA concentration and washing process temperature for super white washed stretch denim fabric. The dimensional stability of stretch denim fabric also altered after going through different OBA concentration and washing process temperature.

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“…6,9 Russell et al 9 stressed the urgency to preserve fibre length upon tearing to get quality yarns. Also, Gulich 6 and Luiken and Bouwhuis 13 emphasized that the tearing process has to be improved in order to obtain longer fibres. Wanassi et al 14 tried to find an appropriate process to reclaim a good-quality fibre.…”

Section: Introductionmentioning

confidence: 99%

Tearing of post-consumer cotton T-shirts and jeans of varying degree of wear

Aronsson

Persson

2020

Journal of Engineered Fibers and Fabrics

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The demand for textile fibres is growing quickly. However, global cotton production has stabilized around 25 Mton/year. This is a sound development since cotton cultivation causes major sustainable development issues. Even if regenerated cellulose fibre production steadily grows, it is still only from a sixth to a fifth of cotton volumes. Hence, it is essential to find resource-efficient routes to generate alternatives to virgin cotton. There are many promising research initiatives that discover the possibility to utilize waste streams of neat cotton and cotton in fibre blends as raw materials for dissolving pulp for regeneration into, for example, viscose or Lyocell. However, there is a much simpler and energy-efficient route at hand. If fabrics are disintegrated mechanically, the separated fibres can be turned into yarn again. However, since fibre length is a key parameter to accomplish strong and durable textiles, fibre length loss upon tearing should be minimized. This study evaluates how fibre length distribution alters upon tearing of post-consumer cotton waste of two different constructions: denim and single jersey; and different degrees of wear, rendering four different fractions: (1) barely worn denim, (2) rather worn denim, (3) barely worn single-jersey and (4) rather worn single-jersey. Before tearing, the garments were dissembled, their yarns were characterized, fibre length distributions were manually determined for (1)–(4). Length analysis of the recovered fibres after tearing revealed that the length drop was most severe for (a) the finer single-jersey and (b) the barely worn fractions. The findings suggest that significant wear does not exclude from mechanical recycling.

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Recovery and recycling of denim waste

Cited by 19 publications

References 0 publications

Textile qualities of regenerated cellulose fibers from cotton waste pulp

Textile qualities of regenerated cellulose fibers from cotton waste pulp

Effect of Super White Washing Process Temperature and Optical Brightening Agent Concentration on Various Properties of Stretch Denim Fabric

Tearing of post-consumer cotton T-shirts and jeans of varying degree of wear

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