Mischungen von Monoazopyridonfarbstoffen

摘要

Dye mixtures are described comprising at least two structurally differend dyes, each corresponding to formula [wherein R 1 is C 1 -C 4 alkyl; R 2 is the (CH 2 ) n O-R 5 radical; R 5 is, independently of R 1 , C 1 -C 4 alkyl or phenyl (which is unsubstituted or substituted by C 1 -C 4 alkyl, C 1 -C 4 alkoxy, hydroxy or halogen); and n is 2 or 3] which dye mixtures are suitable for dyeing or printing textile fibre materials (eg polyester materials), giving dyeings having good around fastness properties.