Dye powder formulation

Details Dye powder formulation Dye powder formulation

1980-06-19

1982-09-28

Clingman, A. Lionel

Bleaching and dyeing; fluid treatment and chemical modification

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

8526, 8527, 8549, 8681, 8687, D06P 6702

Patent

active

043516408

ABSTRACT:
A powder formulation of the dye of the formula ##STR1## which contains sodium chloride and a condensate of .beta.-naphthalenesulfonic acid with formaldehyde, or a sulfomethylation product which is obtained by condensing phenol, formaldehyde and a sulfite or bisulfite in the presence of sodium hydroxide, using a molar ratio of phenol: formaldehyde: sulfite or bisulfite: sodium hydroxide of 1:1.0-4:0.3-1.6:0.05-0.5.
The dye formulation is readily soluble in water and gives speck-free prints and dyeings, with a high color yield.

REFERENCES:
patent: 3872056 (1975-03-01), Daubach et al.
patent: 4078885 (1978-03-01), Opitz et al.
patent: 4105401 (1978-08-01), Koci et al.
patent: 4198268 (1980-04-01), Frei et al.

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