Disperse monoazo dyes, free from sulphonic acid groups, which have the formula:
wherein X represents hydrogen, alkyl, alkoxy, alkoxyalkoxy, alkoxyalkoxyalkoxy or alkylthio; Y represents hydrogen, chlorine, bromine, alkyl, alkoxy, or acylamino; Z represents hydrogen, alkyl or alkoxy; R' represents hydrogen or an optionally substituted alkyl, alkenyl, aralkyl, cycloalkyl or aryl radical and R represents hydrogen or an optionally substituted alkyl, alkenyl or aralkyl radical.
The dyes are useful for colouring polyester and other synthetic textile materials in bright blue and turquoise shades
不含
磺酸基团的分散单偶氮
染料,其结构式为:其中 X 代表氢、烷基、烷氧基、烷氧基烷氧基、烷氧基烷氧基或烷基
硫代;Y 代表氢、
氯、
溴、烷基、烷氧基或酰
氨基;Z 代表氢、烷基或烷氧基;R'代表氢或任选取代的烷基、烯基、芳基、环烷基或芳基,R 代表氢或任选取代的烷基、烯基或芳基。 这些
染料可用于涤纶和其他合成纺织材料的着色,使其呈现明亮的蓝色和绿松石色。