Continuous dyeing processing for textiles

Details Continuous dyeing processing for textiles Continuous dyeing processing for textiles

1987-01-09

1988-02-02

Clingman, A. Lionel

Bleaching and dyeing; fluid treatment and chemical modification

Overall dimensional modification or stabilization, e.g.,...

Solvent treatment of synthetic fibers

8503, 8924, 8917, 8681, D06P 504

Patent

active

047227354

ABSTRACT:
A process is described for the continuous dyeing of textiles in which an aqueous solution of an ionic, water-soluble dye is applied to a fabric in open width. The textile is dried to reduce the water content to at most about 1% and it is then contacted with a nonionic, high-boiling organic liquid in which the ionic dye is substantially completely insoluble while the liquid is maintained at an elevated temperature, i.e., about 325.degree. F.-450.degree. F., for a period of time sufficient to cause the dye to diffuse into the fibers and to fix the ionic dye to the fibers of the textile. Any remainig high-boiling liquid is subsequently removed from the fabric.

REFERENCES:
patent: 4055971 (1977-11-01), Hermes

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