Reactive pyridone azo dyestuffs of the general formula [I]:
wherein D, Y and V are as defined in the patent claim. The compounds of the invention may be used for dyeing cellulose fibers, wool fibers, synthetic polyamide fibers, and mixed fibers comprising cellulose fibers and polyester fibers and mixed fibers comprising wool fibers and polyester fibers or polyamide fibers and polyester fibers in yellow to reddish orange colors having excellent light fastness.
通式[I]的活性吡啶酮偶氮染料:
其中 D、Y 和 V 如专利权利要求书中所定义。本发明的化合物可用于纤维素纤维、羊毛纤维、合成聚酰胺纤维、由纤维素纤维和聚酯纤维组成的混合纤维、由羊毛纤维和聚酯纤维组成的混合纤维或聚酰胺纤维和聚酯纤维的染色,染色后的纤维素纤维、羊毛纤维、合成聚酰胺纤维、由纤维素纤维和聚酯纤维组成的混合纤维、由羊毛纤维和聚酯纤维组成的混合纤维或聚酰胺纤维和聚酯纤维的染色呈黄色至橙红色,具有极佳的耐光性。