| 摘要 |
An azo compound free from sulfonic acid groups of the formula <IMAGE> wherein D is the radical of a diazo component, A is a p-phenylene radical which may be substituted, X is an -NH- group, a sulfur atom or an oxygen atom, Y is a cycloaliphatic radical containing up to 12 carbon atoms, X' is an -NH- group, a sulfur atom or an oxygen atom, R1 is an alkyl radical which may be substituted, R2 is an alkylene radical which may be substituted and R3 is an organic radical, and mixtures of said azo compounds with one another, with or without other azo dyestuffs.
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