Single-step Single Bath Dyeing and Finishing of Nylon with Disperse Dye and Chitosan by Using Decamethylcyclopentasiloxane Solvent as Dyeing Media 


Vol. 23,  No. 6, pp. 1631-1640, Jun.  2022
10.1007/s12221-022-4287-9


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  Abstract

This investigation was conducted to reduce the water and raw material consumption, and shorten the processing time by carrying out the dyeing and finishing process in a single-step and a single bath by using decamethylcyclopentasiloxane (D5) solvent as dyeing media. The nylon fabric was dyed with disperse dye and finished with chitosan in D5 solvent in a single-step. To improve the durability of the chitosan finish, the chitosan was ball milled into nanoparticles. Furthermore, nylon fabric was dyed with a high dye concentration, 3.2 %(o.w.f.), for assessing the feasibility of a single-step dyeing process for darker shades. Antibacterial activity, color strength, and SEM analysis of treated fabrics reveal that nylon fabric can be dyed and finished in a single step and single bath in D5 solvent. As compared to conventional aqueous dyeing, the single-step dyeing and finishing methodology yielded 53 % higher color strength. The 100 % reduction in bacteria colony forming units (CFU) was achieved with a 1 % concentration of milled chitosan. The fabric treated with milled chitosan sustained its antimicrobial activity even after 5 washes.

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  Cite this article

[IEEE Style]

M. A. Saleem, L. Pei, J. Wang, "Single-step Single Bath Dyeing and Finishing of Nylon with Disperse Dye and Chitosan by Using Decamethylcyclopentasiloxane Solvent as Dyeing Media," Fibers and Polymers, vol. 23, no. 6, pp. 1631-1640, 2022. DOI: 10.1007/s12221-022-4287-9.

[ACM Style]

Muhammad Asad Saleem, Liujun Pei, and Jiping Wang. 2022. Single-step Single Bath Dyeing and Finishing of Nylon with Disperse Dye and Chitosan by Using Decamethylcyclopentasiloxane Solvent as Dyeing Media. Fibers and Polymers, 23, 6, (2022), 1631-1640. DOI: 10.1007/s12221-022-4287-9.

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