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DISAZO DYESTUFFS DISAZO DYESTUFFS

机译:迪撒染料染料迪撒染料染料

摘要

1387925 Reactive disazo dyestuffs IMPERIAL CHEMICAL INDUSTRIES Ltd 4 May 1973 [24 May 1972] 24454/72 Heading C4P [Also in Division D1] The dyestuffs of the formula (wherein one of A and A 1 is H and the other is SO 3 H) are prepared by coupling 2 moles of diazotized 4 - nitroaniline - 2 - sulphonic acid or 4 - acetylaminoaniline - 2 - sulphonic acid with one mole of 1,8-aminonaphthol-3,6-disulphonic acid, reducing or hydrolysing the product, and then condensing 1 mole of the resulting product with 2 moles of cyanuric chloride which is also condensed with 2 moles of sulphanilic or metanilic acid. The dyestuffs give dark green shades on cellulosic textiles. Specification 876,923 is referred to.
机译:1387925反应性二偶氮染料IMPERIAL CHEMICAL INDUSTRIES Ltd 1973年5月4日[1972年5月24日]标题C4P [也在D1分部中]式的染料(其中A和A 1中的一个是H,另一个是SO 3 H)通过将2摩尔重氮化的4-硝基苯胺-2-磺酸或4-乙酰氨基苯胺-2-磺酸与1摩尔1,8-氨基萘酚-3,6-二磺酸偶联,还原或水解产物而制备将1摩尔所得产物与2摩尔氰尿酰氯缩合,所述氰尿酰氯也与2摩尔磺胺酸或偏苯二酸缩合。染料在纤维素纺织品上产生深绿色调。参考规格876,923。

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