Dyeing of polyester fabric with disperse dye in a natural deep eutectic solvent as and eco-friendly medium
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Abstract
The present study proposed a sustainable, cleaner, alternative, safer and environmentally friendly method for dyeing polyester fabric using a natural deep eutectic solvent as a dyeing medium. Besides enabling water conservation and reducing wastewater generation, the process also successfully eliminated the use of toxic and environmentally harmful auxiliaries. Dyeing performance, measured by CIELab and K/S values, was compared to conventional dyeing. The NADES dyeing method achieved higher K/S values and eliminated the need for additional auxiliaries, such as levelling and dispersant agents. The polyester fabric structure remains intact, as confirmed by physical property results. SEM analysis shows that the surface morphology of all polyester samples is smooth and uniform with no visible changes, indicating the dyeing process did not affect the fiber surface. Fastness ratings are consistent across all dyed polyester samples.
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Authors retain copyright and grant the journal right of first publication with the work simultaneously licensed under a Creative Commons Attribution license 4.0 that allows others to share the work with an acknowledgement of the work's authorship and initial publication in this journal.
Funding data
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Ministarstvo Prosvete, Nauke i Tehnološkog Razvoja
Grant numbers 451-03-137/2025-03/200133;451-03-136/2025-03/200133
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