Phthalocyanine dyestuffs and process for preparing them

Details Phthalocyanine dyestuffs and process for preparing them Phthalocyanine dyestuffs and process for preparing them

1972-08-18

1977-07-05

Randolph, John D.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

8 1XA, 8 62, 260242, 2602471B, 26029361, C09B 4704

Patent

active

040339807

ABSTRACT:
A water-soluble phthalocyanine dyestuff of the formula ##STR1## IN WHICH Pc represents copper phthalocyanine, nickel phthalocyanine or cobalt phthalocyanine, R.sub.3 represents lower alkyl, B represents --CH.sub.2 --CH.sub.2 --, --CH.sub.2 --CH.sub.2 --NH--, ##STR2## A represents phenylene or phenylene substituted by lower alkyl, lower alkoxy, carboxyl, hydroxyl, sulfo, nitro, chlorine or bromine, or naphthylene, X represents --CH.sub.2 -- or ##STR3## R.sub.1 and R.sub.2 each stand for hydrogen, lower alkyl, hydroxyethyl, sulfoethyl, carboxyethyl, benzyl, phenyl, carboxyphenylene or sulfophenylene, or together with the nitrogen atom piperidyl or morpholyl, n and m each represent 0 or 1, a, b and c each stand for a number from 1 to 4, the sum of a, b and c being at most 6, said dyestuff being suitable for the dyeing or printing of leather or textile materials consisting of native or regenerated cellulose, silk or polyamides, the dyeings and prints obtained on said materials being distinguished by deep tints and very good fastness properties to light and to wetting.

REFERENCES:
patent: 3062320 (1962-11-01), Buc et al.
patent: 3268548 (1966-08-01), Heyna et al.
patent: 3349097 (1967-10-01), Kuhne et al.
patent: 3426016 (1969-02-01), Springer et al.
Behnert, J. Society of Dyers & Colourists, vol. 75, Jan. 1960, pp. 581-585.

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