Mischungen von Azofarbstoffen für schwarze Farbtöne

摘要

Disclosed are dye mixtures containing a) an azo dye of formula (I) in which Hal is chlorine or bromine, b) the azo dye of formula (II) wherein L is allyl or optionally hydrogen, c) an azo dye of formula (III) and/or (IV) wherein the specified radicals are as indicated in the description and d) optionally an azo dye of formula (V) wherein Z<1> is chlorine or bromine and Z<2> is hydrogen or methoxy, dye preparations containing the new dye mixtures, the use of the new dye mixtures for dying polyesters in textile form and a process for dying poyesters in textile form.