Bis nitrophenyl diethylene triamine dyeing of synthetic acid mod

Details Bis nitrophenyl diethylene triamine dyeing of synthetic acid mod Bis nitrophenyl diethylene triamine dyeing of synthetic acid mod

1975-03-17

1976-06-15

Levy, Donald

Bleaching and dyeing; fluid treatment and chemical modification

Treatment of hides, skins, feathers and animal tissues

Depilating

8177AB, 8168B, 8168C, 8 39A, 8 39B, 8 39C, 8 41B, D06P 500

Patent

active

039634361

ABSTRACT:
Dyestuffs of the formula ##EQU1## IN WHICH Alk is lower alkyl and in which the phenyl nucleus may be further substituted by nonionic substituents and n is 2 to 6, are useful for dyeing polymers containing acidic groups. These dyestuffs yield stable compositions containing 20 to 40 % by weight of one or more of said dyestuffs, 20 to 40 % by weight of an organic solvent, by weight of an organic solvent, 20 to 40 % by weight of a nonionic dispersant of the alkylphenol polyglycolether or fat alcohol polyglycolether type and up to 20 % by weight of water.

REFERENCES:
patent: 2202169 (1940-05-01), Schlack
patent: 2238949 (1941-04-01), Schlack
patent: 3622608 (1971-11-01), Schafer

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