Water-soluble monoazodyes containing a ureido group and two sulfonyl fiber-reactive groups, process for their preparation and their use
申请人:HOECHST CELANESE CORPORATION
公开号:EP0265857A1
公开(公告)日:1988-05-04
Water-soluble monoazo dyes of the general formula X - SO₂ - A - N = N - W - - CO - NH - Z - SO₂ - Y
(1)
wherein:
X and Y are independently selected from vinyl, β-thiosulfatoethyl, β-bromoethyl, β-acetyloxyethyl, β-hydroxyethyl, β-phosphatoethyl, β-methylsulfonyloxyethyl, β-phenoxyethyl, β-sulfatoethyl, β-chlorethyl, β-phenylsulfonyloxy-ethyl and a group of the formula -CH₂-CH₂-NR¹R²,
in which
R¹ and R² are independently selected from hydrogen, lower alkyl and sulfo-substituted lower alkyl;
R is hydrogen, lower alkyl or sulfo-substituted lower alkyl;
A is a phenylene or naphthylene radical optionally substituted with hydroxy, halogen, lower alkyl, lower alkoxy, carboxy or sulfo;
W is a phenylene or naphthylene radical optionally substituted with carboxy, sulfo, amino, carbamoyl unsubstituted or substituted, sulfamoyl unsubstituted or substituted, lower alkyl, lower alkoxy, hydroxy or halogen;
Z is a phenylene radical optionally substituted with halogen, lower alkoxy or lower alkyl;
and the copper, chromium, cobalt and nickel metallized complex-dyes of said metal-free dyestuffs.
These novel dyes yield on cellulose textiles dyeings with high tinctorial strength and purity of shade and with good light and wash fastnesses, particularly a good chlorine wash fastness. They are particularly useful in high temperature dyeing operations and can be prepared into stable aqueous solutions for use in continous dyeing operations. They provide a full range of shades and exhibit superior color yield and leveling in chemical pad steaming dyeing. They build strongly with superior fixation and have superior stability in acidic and alkaline environments.
通式为 X - SO₂ - A - N = N - W - - CO - NH - Z - SO₂ - Y 的水溶性单偶氮染料
(1)
其中
X 和 Y 分别独立地选自乙烯基、β-硫代磺酸基乙基、β-溴乙基、β-乙酰氧基乙基、β-羟基乙基、β-膦酰氧基乙基、β-甲基磺酰氧基乙基、β-苯氧基乙基、β-磺酸基乙基、β-氯乙基、β-苯磺酰氧基乙基和式 -CH₂-CH₂-NR¹R² 的基团、
其中
R¹ 和 R² 独立地选自氢、低级烷基和磺基取代的低级烷基;
R 是氢、低级烷基或磺基取代的低级烷基;
A 是任选被羟基、卤素、低级烷基、低级烷氧基、羧基或磺基取代的亚苯基或亚萘基;
W 是任选被羧基、磺基、氨基、未取代或取代的氨基甲酰基、未取代或取代 的氨基磺酰基、低级烷基、低级烷氧基、羟基或卤素取代的亚苯基或亚萘基;
Z 是任选被卤素、低级烷氧基或低级烷基取代的亚苯基;
以及上述无金属染料的铜、铬、钴和镍金属化络合染料。
这些新型染料在纤维素纺织品上的染色效果具有很高的锡宽容度和色光纯度,并具有良好的耐光和耐洗牢度,尤其是良好的氯洗牢度。它们特别适用于高温染色操作,并可配制成稳定的水溶液,用于连续染色操作。在化学轧蒸染色中,它们能提供各种色调,并表现出优异的得色率和匀染性。它们的固着力强,在酸性和碱性环境中都具有出色的稳定性。