| 摘要 |
PURPOSE: Provided is a method for dyeing a synthetic fiber filament in multiple colors, which uniformly dyes a filament to be partially differentiated in color, and is well adapted for use in making multi-colored fabrics. CONSTITUTION: A method of dyeing a synthetic fiber filament in multiple colors comprises the steps of: making a crimped yarn(4) by using a synthetic fiber filament; winding the crimped yarn onto a dyeing cylinder(1) softly; spraying multi-colored pigments onto the crimped yarn to dye it in multiple colors; heat-treating the crimped yarn in a heat chamber of 100-160 deg.C to release the crimped state thereof and straighten it in a rectilinear form.
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