Disperse-reactive dyes suitable for dyeing and printing, in one step only, polyester-cellulose blended fibres are described, which are comprised in the general formula
wherein :
D is the residue of the molecule of a dye of the azo, anthraquinone methinic or quinophthalonic series, free from solubilizing groups such as the sulphonic and the carboxylic groups;
n is a number equal to 1 or 2;
R is an alkyl C1-C8, optionally substituted by halogen or CN; an alkenyl CrCg, optionally substituted by halogen or CN; an alkoxyl C1-C8; a cycloalkoxyl; HN-alkyl C1-C4; HN-halogen alkyl C1-C4; N(alkyl C1-C4)2.
Methods of preparing the dyes and of applicating same on said blends are described as well.
描述了适用于仅在一个步骤中对涤纶-
纤维素混纺纤维进行染色和印花的分散活性
染料,它们包含在通式中
其中 :
D 是偶氮、
蒽醌甲烷或醌
酞系列
染料分子的残留物,不含
磺酸基和
羧酸基等溶解基团;
n 是等于 1 或 2 的数字;
R 是 C1-C8 烷基,任选被卤素或 CN 取代;CrCg 烯基,任选被卤素或 CN 取代;C1-C8 烷氧基;环烷氧基;HN-C1-C4 烷基;HN-C1-C4 卤代烷基;N(C1-C4烷基)2。
此外,还介绍了制备
染料和在上述混合物上使用
染料的方法。