Synthetic fiber dyeing process

Details Synthetic fiber dyeing process Synthetic fiber dyeing process

1996-05-22

1997-03-25

Lieberman, Paul

Bleaching and dyeing; fluid treatment and chemical modification

Drawing or stretching of preform with dyeing, process or...

8512, 8516, 8922, 8924, 8932, 8933, D06D 700

Patent

active

056139861

ABSTRACT:
The invention is a method of producing a melt spun synthetic polymeric filament which has the superior deep dyeability thereof. The method includes the steps of application of a dye dispersed in water to the filaments during the drawing of the filament, and heat setting the surface dyed filaments to uniformly diffuse the dye throughout the total cross section of the filaments.

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