| 摘要 |
The invention relates to mixtures of fibre-reactive azo dyes enabling a black colouring which includes printing to be obtained on fibre materials, such as cellulose fibre materials, wool and synthetic polyamide fibres containing hydroxy and/or carbamide groups. Said dye mixtures are characterized in that they contain one or several disazo dyes corresponding to general formula (1), one or several monoazo dyes corresponding to general formula (3), one or more monoazo dyes of general formula (4) and/or (4a), optionally one or several monoazo dyes (2) and optionally one or several monoazo dyes corresponding to general formula (3a), as described in Claim 1.
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