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Sarra Said,Mohamed Hamdaoui,Walid Sahraoui 한국섬유공학회 2023 Fibers and polymers Vol.24 No.1
This paper presents the study of the application of direct dyes on pre-treated cotton jersey knitted fabric using an experimentalsystem based on the capillary rise technique. The developed device ensures the vertical suspension of a cloth surface incontact with a dyeing bath and allows the capillary rise of the dye bath in the textile structure. A series of experiments werecarried out using cotton jersey knitted fabric as textile fabric model and the direct dyes bath (wetting agent, salt, sodiumcarbonate and direct dye) as wicking liquids by using an electronic microbalance. A mathematical model was developedto interpret the experimental data in terms of kinetic parameters of the absorbed dye bath amount and the diffusion of themolecule into the cotton jersey knitted fabric. The results show that the double-exponential kinetics model and the simplifiedCrank solution to Fick’s second law equation are in reasonable agreement with experimental data of the absorbed dye bathamount and the diffusion of the molecule of dye into the cotton jersey knitted fabric, respectively.