| 摘要 |
Novel dye mixtures which contain dyes of the general formulae I <IMAGE> and II <IMAGE> in the form of the alkali metal and ammonium salts, where m and n are each 0 to 4, p and q are each 1 or 2, r is 0 or 1, m+n is 2, 3 or 4, B1 and B2 are each hydrogen or chlorine, or B1 and B2 together form part of a fused benzene ring which is unsubstituted or substituted by SO3H, R1 and R2 independently of one another are each hydrogen or unsubstituted or substituted lower alkyl or cyclohexyl, or R1 and R2 together with the nitrogen form a saturated heterocyclic structure, and Z is a reactive radical which is usually present in reactive dyes and which is bonded to the diazo or coupling component, are very useful for dyeing paper stocks.
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