DISCHARGEABLE BLACK DYEING OF ACIDMODIFIED POLYESTER FIBR

摘要

1502861 Mixtures of cationic azo dyes SUMITOMO CHEMICAL CO Ltd 21 May 1975 [24 May 1974 (2)] 22018/75 Heading C4P [Also in Division Dl] Mixtures of monoazo dyes contain at least one dye of Formula (I) (where R1 is C 1-3 alkyl optionally substituted by hydroxy or C 1-4 alkoxy; R2 is H or C 1-3 alkyl; R3 and R4 independently are cyclohexyl, or C 1-3 alkyl optionally substituted by hydroxy or C 1-4 alkoxy, or phenyl or C 7-8 aralkyl either of which may be substituted by a halogen atom) together with at least one dye of Formula (II), (III) or (IV) (where R5 is H, C 1- 12 alkyl or C 7-8 aralkyl either of which may be substituted by a halogen atom, a hydroxy or C 1 -4 alkoxy group and in which either alkyl moiety may contain a group in the carbon chain; R6 is C 1- 3 alkyl or C 7-8 aralkyl either of which may be substituted by a halogen atom, a hydroxy or C 1-4 alkoxy group; R7 and R8 independently are H. halogen, C 1-3 alkyl or cyano; R9 is C 1-3 alkyl or C 7-8 aralkyl; R10 is C 1-3 alkylene; R11 and R12 are C 1-3 alkyl; R13 is C 1-3 alkylene; R14-17 independently are H, hal or CN; R18 and R19 are independently H, C 1-3 alkyl or C 7-8 aralkyl either of which may be substituted by hal, CN or OH and in all the above formula X- is an anion). The dye mixtures are used for colouring polyester fibres black.