Process for the bulk dyeing of polyesters

Details Process for the bulk dyeing of polyesters Process for the bulk dyeing of polyesters

1974-07-29

1976-02-17

Jacobs, Lewis T.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

8 39C, C08L 6700

Patent

active

039391132

ABSTRACT:
Process for the bulk dyeing of polyesters, characterised in that the dyestuffs used are anthraquinone derivatives of the formula ##SPC1##
Wherein Q denotes one of the bridge members --O-- or --CO--, R denotes hydrogen or an alkyl group containing 1-4 carbon atoms, Ar denotes an aryl group, n denotes a number from 1 to 4, X, Y and Z denote an amino, hydroxyl, alkoxy, aryloxy, alkylmercapto, arylmercapto, arylamino or aroylamino group or halogen and a, b and c each denote zero or a number from 1 to 4, with the sum of n+a+b+c being a number from 1 to 6.

REFERENCES:
patent: 3840567 (1974-10-01), Genta

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