| 摘要 |
A trichromatic dyeing or printing mixture for nitrogen-containing organic substrates, esp. natural or synthetic polyamide fibre, comprises at least one each of dyes Ia, II and III (respectively yellow, red and blue), or salts thereof, optionally in conjunction with further specified yellow-to-orange mono or dis-azo dyes. <IMAGE> wherein R1 is H, C1-4 alkoxy, unsubstituted C1-4 alkyl or C1-4 alkyl @@@@monosubstituted by halogen; R2 is C1-4 alkyl or -COR6; R6 is C1-6 alkyl, -OC1-6 alkyl @@ or -NR7R8; R7 and R8 are each H, unsubstituted @@ C1-6 alkyl or monohydroxy-substituted @@@@C2-6 alkyl; R3 is H of C1-4 alkyl; R4 is H, halogen, C1-4 alkyl, @@ C1-4 alkoxy or -NR3R9 @@@@in which R3 is as defined above and R9 @@@@is -COC1-6 alkyl or -COOC1-6 alkyl; R5 is C1-4 alkyl or monohydroxy-substituted @@ C2-6 alkyl; R10 is H, halogen, C1-4 alkyl, @@ C1-4 alkoxy or -NR3R9 @@@@in which R3 @@@@and R9 are as defined above; R11 is H, halogen, or C1-4 alkyl or @@ C1-4alkoxy; R21 is H, halogen or -NHCOC1-4 alkyl; R22 is triflouromethyl -SO2Z1 or @@ -SO2Z2 in which Z1 is @@@@phenyl, phenoxy or -NR19R20, @@@@in which R19 is Me or Et and R20 @@@@is phenyl or cyclohexyl, and Z2 is -N(C4H9)2 @@@@or N(CH2)6; R23 is H or Me; one of R24 and R25 is -SO2NHC2-4 hydroxylalkyl or -NR26COC1-4 alkyl (in which R26 is H, Me or Et), and the other is H or Me.
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