Adsorption and fixation behaviour of CI Reactive Red 195 on cotton woven fabric in a nonionic surfactant Triton X-100 reverse micelle / Shixiong Yi in COLORATION TECHNOLOGY, Vol. 128, N° 4 (2012)  

[article]  inCOLORATION TECHNOLOGY > Vol. 128, N° 4 (2012) . - p. 306-314 Titre : Adsorption and fixation behaviour of CI Reactive Red 195 on cotton woven fabric in a nonionic surfactant Triton X-100 reverse micelle Type de document : texte imprimé Auteurs : Shixiong Yi, Auteur ; Yongchun Dong, Auteur ; Bing Li, Auteur ; Ding Zhizhong, Auteur ; Xiangbo Huang, Auteur ; Lexing Xue, Auteur Année de publication : 2012 Article en page(s) : p. 306-314 Note générale : Errata (voir URL) - Bibliogr. Langues : Anglais (eng) Catégories : Adsorption Colorants réactifs 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). Diffusion (physique) Eau -- Consommation -- Réduction Fixation (chimie) Micelles Surfactants Teinture -- Fibres textiles Tissés Index. décimale : 667.3 Teinture et impression des tissus Résumé : To achieve the goals of saving water and being salt-free in the coloration of cotton fabric with reactive dye, nonionic reverse micelles were prepared and optimised with a surfactant, Triton X-100, n-octanol and isooctane by injecting a small amount of CI Reactive Red 195 aqueous solution. The adsorption, diffusion and fixation of this dye on cotton fabric in Triton X-100 reverse micelle and bulk water were then investigated. The equilibrium and kinetic data of the dye adsorption process were evaluated. The colour strength and fixation rate of cotton fabrics dyed in the micelle and in bulk water were also examined and compared. The results indicated that the amount of dye adsorbed increased with the increasing temperature and the initial dye concentration. The dye adsorption process could be described using the Langmuir isotherm and pseudo-second-order kinetic equations. It was found that CI Reactive Red 195 showed a stronger adsorption property on cotton fabric in Triton X-100 reverse micelle than in bulk water without the addition of sodium chloride. Using Triton X-100 reverse micelle as the dyeing medium offered the reactive dye better diffusion performance within the cotton fibre as compared with bulk water. Moreover, higher fixation of the dyes absorbed on the cotton fibre was achieved when the optimum concentration of sodium carbonate was used as the alkali agent in Triton X-100 reverse micelle. Note de contenu : - EXPERIMENTAL : Materials and reagents - Preparation ot TX-100 reverse micelle - Adsorption and fixation of reactive dye on cotton fabric - RESULTS AND DISCUSSION : Optimisation of TX-100 reverse micelle - Adsorption of reactive dye on cotton fabric - Dye adsorption isotherm studies - Dye absorption kinetics - Dye diffusion within cotton fibre - Dye fixation on cotton fibre DOI : 10.1111/j.1478-4408.2012.00381.x En ligne : http://onlinelibrary.wiley.com/doi/10.1111/j.1478-4408.2012.00381.x/pdf Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=15680 [article]

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