Process for continuous dyeing of cellulosic circular knits with

Details Process for continuous dyeing of cellulosic circular knits with Process for continuous dyeing of cellulosic circular knits with

1998-11-05

2000-04-04

Coe, Philip R.

Bleaching and dyeing; fluid treatment and chemical modification

Fluid treatment

Special forms and forming

8151, 68177, D06B 302, D06B 328

Patent

active

060445092

ABSTRACT:
Process for continuous dyeing of cellulosic circular knits composed of natural or modified hydroxy-containing or natural, modified or synthetic carboxamido-containing fiber materials with water-soluble dyes comprises initially impregnating the material with an aqueous dye solution, optionally comprising auxiliaries, in the course of the dyeing step, reducing the liquor content to 400% by weight, based on weight of fiber, by squeezing means customary for tubular material, and subsequently subjecting the liquor-comprising material to a leveling and fixing step for the dye applied to the material by transporting the rope of material continuously through the machine unit by means of the flowing dyeing liquor at a liquor ratio of up to 10:1.

REFERENCES:
patent: 2764010 (1956-09-01), Williams
patent: 3927971 (1975-12-01), Meier-Windhorst
patent: 4077766 (1978-03-01), Von Der Eltz
patent: 4562604 (1986-01-01), Damm
patent: 5359743 (1994-11-01), Von Harten et al.

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