Disperse dye stable to dyeing, and its use for dyeing and printi

Details Disperse dye stable to dyeing, and its use for dyeing and printi Disperse dye stable to dyeing, and its use for dyeing and printi

1980-12-15

1982-05-11

Clingman, A. Lionel

Bleaching and dyeing; fluid treatment and chemical modification

Dry dye composition other than mere mixture of two or more...

Dye in specified form other than mere powder

8662, 2602075, 260208, D06P 6702

Patent

active

043291449

ABSTRACT:
By suspension of the melt of the known crystallographically amorphous dye of the formula ##STR1## which is unstable to dyeing, in water at a temperature of 90.degree. to 130.degree. C., this dye can be caused to crystallize. There is obtained a crystalline granulate in which the dye is completely in the novel .epsilon.-modification.
The novel dye modification is stable in dispersion under dyeing conditions, and has no tendency to flocculate.

REFERENCES:
patent: 2007382 (1935-07-01), Ockman et al.
patent: 4074965 (1978-02-01), Kruse et al.
patent: 4152114 (1979-05-01), Koller et al.

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