| 摘要 |
PROBLEM TO BE SOLVED: To provide a dyeing process for polylactic fiber increasing the wet color fastness. SOLUTION: The process for dyeing polylactic fiber comprises the step of dyeing the polylactic fiber with a disperse dye and the step of reductively cleaning the dyed polylactic fiber wherein the dyed polylactic fiber is treated with heat at 110-140 deg.C for 10-120 seconds in advance of the reductive washing process.
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