Stable concentrated liquid preparation of paper dyes of the disa

Details Stable concentrated liquid preparation of paper dyes of the disa Stable concentrated liquid preparation of paper dyes of the disa

1976-06-30

1978-07-04

Clingman, A. Lionel

Bleaching and dyeing; fluid treatment and chemical modification

Treatment of hides, skins, feathers and animal tissues

Tanning

8 7, 8 82, 8 93, 260175, C09B 2700, C09B 6700

Patent

active

040985695

ABSTRACT:
There is described a stable concentrated liquid preparation of paper dyes which preparation contains 15 to 40 per cent by weight of certain anionic disazo dyes of the formula ##STR1## dissolved in 40 to 80 per cent by weight of a diethylene glycol monoalkyl ether, optionally in admixture with up to 30 per cent by weight of a mono-, di-, tri- or tetraalkylene glycol, and the use of this liquid preparation for the dyeing and printing of paper, semi-cardboard and cardboard.

REFERENCES:
patent: 3989452 (1976-11-01), Hugelshofer
patent: 3995997 (1976-12-01), Boehmke et al.
Color Index (Third Edition), 1971, vol. 4, pp. 4267 & 4271-4273.

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