Monoazo compounds containing a phthalimidyl diazo component bearing on the aromatic ring thereof one or two substituents such as halogen or cyano and an aniline disperse azo dye coupling component which may have a substituent such as acetamido, are useful for dyeing polyester fibers on which the compounds exhibit good fastness and dyeability properties.
含有邻苯二甲
酰亚胺基二氮烷组分的偶氮化合物,在其芳香环上具有一个或两个取代基(如卤素或
氰基),以及一种
苯胺分散偶氮
染料偶合组分,该组分可能具有乙酰胺基等取代基,适用于染色涤纶纤维,这些化合物在此类纤维上表现出良好的色牢度和染色性能。