Journal
JOURNAL OF SAUDI CHEMICAL SOCIETY
Volume 20, Issue 2, Pages 178-184Publisher
ELSEVIER
DOI: 10.1016/j.jscs.2012.12.014
Keywords
Cotton; Colourfastness properties; Disperse dye; Dyeing; Polyester; Reactive dye
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The dyeing behaviour of UV irradiated cotton and polyester fabrics using multifunctional reactive and disperse dyes has been investigated. The plain, woven, mercerized, bleached, cotton and polyester fabrics were exposed to UV radiation (180 w, 254 nm) for 30, 60, 90 and 120 min. Dyeing was performed using irradiated fabric with a dye solution of un-irradiated reactive and disperse/azo dyes. The dyeing parameters such as, temperature, time, pH and salt concentration have been optimized. The colour strength values of dyed fabrics were evaluated by comparing irradiated and un-irradiated cotton and polyester fabrics in CIE Lab systems using spectra flash SF600. Finally ISO standard methods were employed to observe the effect of UV radiation on fastness properties. It was found that UV radiation has a potential to improve the colour strength values of cotton and polyester fabrics by using reactive and disperse dyes. (C) 2013 Production and hosting by Elsevier B.V. on behalf of King Saud University.
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