Study on Color Fastness to Combination of Perspiration and Light of Reactive Dyes
The effects of dye structure,dye concentration and fabric pH on the color fastness to the combination of perspiration and light of cotton fabrics were tested.The results showed that:alkaline perspiration has a greater effect on the color fastness of dyed fab-rics than acidic perspiration;with the increase of dye concentration,the color fastness of dyed fabrics was improved;the dye structure was the most important factor on the color fastness of dyed fabrics;reactive dyes such as UF series and Turquoise HF-G were more suitable for fabrics which had requirements on color fastness to the combination of perspiration and light;when the fabric pH value in the range of 4.0～7.0,the color fastness of dyed fabrics to the combination of perspiration and light has no change.
color fastness to the combination of perspiration and lightdye structurealkaline perspirationacidic perspiration
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