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The effect of domestic laundry detergents on the light fastness of certain reactive dyes on 100% cotton Fergusson, S and Padhye, R 2019, 'The effect of domestic laundry detergents on the light fastness of certain reactive dyes on 100% cotton', Textile Research Journal, vol. 89, no. 6, pp. 1105-1112. Document type: Journal Article Collection: Journal Articles Title The effect of domestic laundry detergents on the light fastness of certain reactive dyes on 100% cotton Author(s) Fergusson, S Padhye, R Year 2019 Journal name Textile Research Journal Volume number 89 Issue number 6 Start page 1105 End page 1112 Total pages 8 Publisher Sage Publications Ltd. Abstract This study presents findings on the effect of several domestic laundry detergents on the fastness to light of selected fiber reactive dyes applied to cotton. Cotton fabric dyed with commonly used reactive dyes were laundered with water only, several domestic detergents, and a laboratory-formulated neutral detergent, and then exposed to light for 2 h in the wet state. Exposures were repeated 15 times, equivalent to 30 h of exposure. Color loss and color difference were measured after 5, 10, and 15 wash cycles, and 10 h, 20 h, and 30 h of exposure. When the fabric was exposed to light wet, the color faded more rapidly than when it was exposed dry. The presence of an oxidizing bleach (sodium perborate or sodium percarbonate) in the detergent increased color loss during washing and wet exposure to light. Ultraviolet radiation from the light source, heat, moisture, alkali, and oxidizing bleach during exposure resulted in hydrolysis of the dye-fiber bond, causing dye desorption during washing and rinsing. The combination of ultraviolet radiation and oxidizing bleaches altered the chemistry of the dye and hence its shade. This was particularly evident on the black dye and one of the navy blue dyes. Subject Textile and Fashion Design Manufacturing Processes and Technologies (excl. Textiles) Textile Technology Keyword(s) chemistry color detergents dyeing fastness materials DOI - identifier 10.1177/0040517518760751 Copyright notice © The Author(s) 2018 ISSN 0040-5175 Related Links Link Description https://doi.org/10.1177/0040517518760751 Link to Published Version   Versions Version Filter Type Tue, 30 Apr 2019, 14:09:07 EST Filtered Full Citation counts:   Cited 1 times in Thomson Reuters Web of Science Article | Citations Cited 0 times in Scopus Article Altmetric details: Access Statistics: 28 Abstract Views  -  Detailed Statistics Created: Mon, 29 Apr 2019, 13:04:00 EST by Catalyst Administrator