Abstract
Low temperature disperse dyeing of nylon 6 and polyester fibers is investigated when CI Disperse Violet 1 is dispersed with a double-tailed surfactant, didodecyldimethylammonium bromide (DDDMAB). Dyeing temperatures are 50°C for nylon 6 and 110°C for polyester. Color yield, dye penetration, and color fastness properties of fibers dyed in the presence of DDDMAB are almost the same as those of fibers dyed with a conventional dye, a dyehouse grade of CI Disperse Violet 1, at high temperatures. These results suggest the feasibility and practicality of low temperature dyeing of nylon 6 and polyester fibers with DDDMAB.
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