N-Alkyl nitro phenyl diethylene triamine dyeing of acid modified

Details N-Alkyl nitro phenyl diethylene triamine dyeing of acid modified N-Alkyl nitro phenyl diethylene triamine dyeing of acid modified

1975-03-17

1976-06-29

Levy, Donald

Bleaching and dyeing; fluid treatment and chemical modification

Treatment of hides, skins, feathers and animal tissues

Depilating

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

Patent

active

039664058

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, n is 2 to 6 and x is a number of 1 up to but excluding 2, 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, 20 to 40 % by weight of a nonionic dispersant of the alkylphenolpolyglycolether 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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