MISCHUNGEN VON FASERREAKTIVEN BISAZOFARBSTOFFEN UND IHRE VERWENDUNG

Mixture of at least two specific reactive disazo dyes derived from 1-amino-8-hydroxy-naphthalene disulfonic acid. Mixture of at least one each of the reactive disazo dyes of formulae (I) and (II). D = R ,R -phenyl substituted by -SO2Z; D = R ,R -phenyl substituted by -SO2Z; D = R ,R -phenyl substitu...

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Hauptverfasser: MROTZECK, UWE, RUSS, WERNER, EICHHORN, JOACHIM
Format: Patent
Sprache:ger
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Zusammenfassung:Mixture of at least two specific reactive disazo dyes derived from 1-amino-8-hydroxy-naphthalene disulfonic acid. Mixture of at least one each of the reactive disazo dyes of formulae (I) and (II). D = R ,R -phenyl substituted by -SO2Z; D = R ,R -phenyl substituted by -SO2Z; D = R ,R -phenyl substituted by -SO2Z; D = R ,R -phenyl substituted by -SO2Z; R and R = hydrogen, 1-4C alkyl or alkoxy, sulfo or carboxy; R = hydrogen or 1-4C alkyl or alkoxy; R = 1-4C alkyl or alkoxy; R -R = hydrogen, 1-4C alkyl or alkoxy, hydroxy, sulfo, carboxy, cyano, nitro or halo; Z = vinyl or -CH2CH2Z ; Z = hydroxy or group displaced by alkali; M = hydrogen, alkali metal or equivalent of alkaline earth metal. An Independent claim is also included for a method for preparing the mixture.