The present invention provides a reactive dyestuff with an alkylthio group and a β-sulfatoethylsulfone group, which is represented by formula (I),
wherein D, R, R1, R2, R3, R4, Q, x, and y are defined the same as the specification. The reactive dyestuffs of the present invention not only have characteristics of high solubility, high alkali solubility, and easily being washed off for dyeing cellulose fiber, but also are suitably applied in cold-pad-batch dyeing, continuous-dyeing, printing, and digital printing.
本发明提供一种具有烷基
硫基和β-
磺酸乙基磺酰基的反应性
染料,其由式(I)表示,其中D、R、R1、R2、R3、R4、Q、x和y的定义与规范相同。本发明的反应
染料不仅具有高溶解度、高碱溶解度和易于洗去的特性,用于染色
纤维素纤维,而且适用于冷垫批染、连续染色、印花和数字印花。