Use of the 棺-Cyclodextrin Additive as a Good Alternative for the Substitution of Environmentally Harmful Additives in Industrial Dyeing Processes 


Vol. 21,  No. 6, pp. 1266-1274, Jun.  2020
10.1007/s12221-020-9327-8


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  Abstract

In this work, the substitution of environmentally harmful additives in the industrial dyeing process of polyamide-6 microfiber-made knitted fabrics (PA-6關FKF) was studied. Using the disperse red 60 (DR60) dye, kinetic adsorption tests on the PA-6關FKF dyeing were performed by using either 棺-cyclodextrin (棺-CD) additive, commercial leveling agents, or without additives. Equilibrium tests were also performed during 25 h. A modelling based on a dye adsorption process controlled by an intraparticle diffusion was proposed to represent the sets of kinetic data. Three isotherm models were also tested for representing the equilibrium data. The kinetic data have evidenced three main dye diffusion zones. Different adsorption mechanisms on PA-6關FKF surface dyeing was evidenced, being the data well represented by the two-step Langmuir isotherm. Finally, the best quality on color uniformity was attained using the 棺-CD additive, revealing a good alternative for the substitution of environmentally harmful additives in industrial dyeing processes.

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  Cite this article

[IEEE Style]

B. T. M. Ferreira and F. R. Espinoza-Qui, "Use of the 棺-Cyclodextrin Additive as a Good Alternative for the Substitution of Environmentally Harmful Additives in Industrial Dyeing Processes," Fibers and Polymers, vol. 21, no. 6, pp. 1266-1274, 2020. DOI: 10.1007/s12221-020-9327-8.

[ACM Style]

Bruna Thaisa Martins Ferreira and Fernando Rodolfo Espinoza-Qui. 2020. Use of the 棺-Cyclodextrin Additive as a Good Alternative for the Substitution of Environmentally Harmful Additives in Industrial Dyeing Processes. Fibers and Polymers, 21, 6, (2020), 1266-1274. DOI: 10.1007/s12221-020-9327-8.

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pISSN : 1229 - 9197
eISSN : 1875 - 0052

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