Abstract
In this paper, we aim to study the effects of artificial sweat components on the photo-fading of reactive dyes on cotton fabrics. Two standards of artificial perspiration were tested according to the Japanese Industrial Standard (JIS L 0888 standard) and the Association for Textile Technical Study (ATTS standard), respectively. The light and perspiration stability of reactive dyes was characterized using the color difference value (DE). Standard orthogonal experiments were designed to study the influences of each artificial sweat component and the interaction between these components on the photo-fading reaction of the selected reactive dyes. The results indicated that L-histidine monohydrochloride monohydrate (0.5 g/L) was the dominant influencing factor on the light and perspiration stability of the reactive dyes exposing under both standards of artificial perspiration. In the JIS L 0888 standard, sodium chloride (5.0 g/L) played the significant role in the photo-fading reaction of the reactive dyes, while the influences caused by other components could be neglected. In the ATTS standard, sodium chloride (5.0 g/L), DL-aspartic acid (0.5 g/L) and glucose (5.0 g/L) aggravated the photo-fading of the selected reactive dyes.
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