Dyeing of cotton/acrylic blend fabric in a single-bath-single-stage method using indigo dye / Mohammad Tajul Islam in COLORATION TECHNOLOGY, Vol. 140, N° 5 (10/2024)  

[article]  inCOLORATION TECHNOLOGY > Vol. 140, N° 5 (10/2024) . - p. 710-718 Titre : Dyeing of cotton/acrylic blend fabric in a single-bath-single-stage method using indigo dye Type de document : texte imprimé Auteurs : Mohammad Tajul Islam, Auteur ; Mohammed Mehedy Alam, Auteur ; Md Aminul Islam, Auteur ; Tanvir Ahmed Riyadh, Auteur Année de publication : 2024 Article en page(s) : p. 710-718 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Colorants Coton Le coton est une fibre végétale qui entoure les graines des cotonniers "véritables"(Gossypium sp.), un arbuste de la famille des Malvacées. Cette fibre est généralement transformée en fil qui est tissé pour fabriquer des tissus. Le coton est la plus importante des fibres naturelles produites dans le monde. Depuis le XIXe siècle, il constitue, grâce aux progrès de l'industrialisation et de l'agronomie, la première fibre textile du monde (près de la moitié de la consommation mondiale de fibres textiles). Indigo Mélanges de fibres Polyacryliques Résistance à l'éclatement Teinture -- Fibres textiles Textiles et tissus -- Propriétés mécaniques Index. décimale : 667.3 Teinture et impression des tissus Résumé : In this study, an attempt has been made to dye cotton/acrylic blend fabrics in a single-bath-single-stage method considering today's growing market for such blended products. Yarn-blend cotton/acrylic fabric was produced and dyed at 3% shade using indigo dye in the exhaust method to optimise the dyeing conditions by varying the amount of reducing agent, pH, and dyebath temperature. The colour yield of both the acrylic part and cotton components of the blend was influenced by pH levels. Meanwhile, the temperature played a notable role in determining the colour yield of the acrylic portion. Optimised dyeing conditions were obtained at pH 6 and 120°C for the acrylic part, whereas pH 11 and 90°C temperature were obtained for the cotton part. These conditions involved the use of sodium dithionite (15 g/L) as a reducing agent and sodium hydroxide as an alkali. While the yarn-blend fabrics exhibited a unique shadow dyeing effect, solid dyeing results were achieved with fibre-blend fabrics, underscoring the versatility of this single-bath-single-stage method. To assess the overall dyeing performance, comprehensive evaluations including bursting strength measurements, assessments of fastness to washing, perspiration, and rubbing were conducted, all of which provided valuable insights into the durability and colour retention of the yarn-blend fabrics. This research not only addresses the demand for cotton/acrylic blend fabrics in today's market but also demonstrates an efficient and innovative single-bath-single-stage dyeing approach using indigo dye, which holds promise for the textile industry's future sustainability and product diversity. Note de contenu : - MATERIALS AND METHODS : - Fabric preparation - Optimisation of dyeing parameters - After treatment - Colour yield - Bursting strength test - Fastness properties - RESULTS AND DISCUSSION : - Effects of temperature and pH on colour yield of yarn-blend fabric - Bursting strength test - Colour effects - Fastness tests - Table 1 : Temperature and pH combinations of dyeing of yarn-blend fabric with 3% indigo dye using 15 g/L reducing agent (Hydrose) for 60 min - Table 2 : Fastness properties yarn-blend acrylic/cotton fabric dyed at the optimised conditions at 3% shade (o.w.f.) with indigo dye using 15 g/L reducing agent DOI : https://doi.org/10.1111/cote.12734 En ligne : https://drive.google.com/file/d/1pv45DRaA50pDVzP6NXp_ZktOEN92PaOV/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=41468 [article]

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