Aqueous dye preparations: water-insoluble dye, anionic dispersan

Details Aqueous dye preparations: water-insoluble dye, anionic dispersan Aqueous dye preparations: water-insoluble dye, anionic dispersan

1990-10-23

1991-12-24

Clingman, A. Lionel

Bleaching and dyeing; fluid treatment and chemical modification

Dye concentrate composition wherein an additional amount of...

8532, 8557, 8558, 8589, 8597, 8599, 8602, 8610, 8922, C09B 6746

Patent

active

050748874

ABSTRACT:
Aqueous dye preparations are described which contain 15-40% by weight of dyes, 3-18% by weight of an anionic dispersant of the formula (1), 1-10% by weight of sodium lactate, 1-10% by weight of glycerol and/or propylene glycol, 0.1-5% by weight of a compound having monomer units of the general formula (2), 3-10% by weight of betaine monohydrate, 0-4% by weight of a compound having monomer units of the general formula (3) and 0.1-15% by weight of customary auxiliaries; preparations of this type have a long shelf life, are highly redispersible and do not form sediments; they are suitable in particular for the continuous dyeing of polyester textile materials or mixtures thereof with cellulose textile materials.

REFERENCES:
patent: 4563189 (1986-01-01), Lewis
patent: 4923481 (1990-05-01), Galli et al.

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