Anthraquinone compounds and the production and use thereof

Details Anthraquinone compounds and the production and use thereof Anthraquinone compounds and the production and use thereof

1980-07-01

1982-01-05

Douglas, Winston A.

Bleaching and dyeing; fluid treatment and chemical modification

Organic additive for dye composition, dye composition...

Ether

260372, 8611, 8643, 8436, C09B 124, C07C143665, C09B 134, C09B 152

Patent

active

043091806

ABSTRACT:
There are described new anthraquinone compounds which, in the form of the free acid, correspond to the formula I ##STR1## wherein the X's independently of one another are each a straight-chain or branched-chain alkyl group having 1 to 4 carbon atoms, Y is hydrogen or is the same as X, and wherein the phenyl rings a can also be substituted by one or more halogen atoms, the production and use thereof, and also dye solutions containing a solvent mixture consisting of one or more aprotic solvents, at least one glycol and/or glycol ether, and optionally water and further additives, which solutions contain in each case a mixture of two anthraquinone dyes which, in the form of the free acid, correspond to the formulae I and IV ##STR2## wherein the X's independently of one another are each a straight-chain or branched-chain alkyl group having 1 to 4 carbon atoms, Y is hydrogen or is the same as X, and wherein the phenyl rings a can also be substituted by one or more halogen atoms.

REFERENCES:
patent: 3320287 (1967-05-01), Schwander

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