Dyeing properties and color fastness of 100% meta-aramid fiber |
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| Authors: | Eun-mi Kim Jae-hong Choi |
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| Affiliation: | (1) School of Chemical and Physical Science, Faculty of Science, Victoria University of Wellington, Wellington, New Zealand;(2) Textile Printing, Dyeing, and Finishing Department, Faculty of Applied Arts, Helwan University, Helwan, Egypt;(3) School of Design, College of Creative Arts, Massey University, Wellington, New Zealand |
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| Abstract: | Dyeing characteristics and fastness of 100 % m-aramid fiber with some commercial dyes were investigated on various dyeing conditions, such as using a swelling agent and electrolyte as auxiliaries. Among commercial dyes used, the basic dyes showed comparatively higher exhaustion yield comparing to those of disperse dyes and acid dyes. Under acidic conditions in the range pH 3 to 5, preferably between pH 3 and 4, the stability of cationic dyes could be enhanced leading to higher adsorption. Dye exhaustions of trichromatic dyes were increased proportionally to concentration of swelling agents ranging from 1 to 4 g/l. The addition of electrolyte provided increased K/S values after washing process compared with those of blank dyeings, where the greatest effect was observed with NaNO3. |
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