摘要
以4-甲基-2-硝基苯酚、正溴丙烷为起始原料,经亲核取代、还原、重排反应制得无诱变性的2,2'-二甲基-5,5'-二-n-丙氧基联苯胺,并以此为重氮组份合成了四支易洗涤活性染料。通过红外、核磁等方法对各中间体进行了表征,并测定了酸、碱条件下染料的最大吸收波长。采用常规染色,一次热水洗、皂洗后,测得其耐水洗色牢度、耐摩擦色牢度均在4级以上。
A non-mutagenic intermediate 2,2′-dimethyl-5,5′-di-n-propoxylbenzidine was synthesized from 4-methyl-2-nitrophenol and 1-bromopropane by nucleophilic substitution,reduction and rearrangement reaction;the products were characterized by IR and 1 H-NMR.Four reactive dyes were synthesized from 2,2′-dimethyl-5,5′-di-n-propoxylbenzidine,and the maximum absorption wavelengths of the dyes in acid and alkali solutions were determined.In normal dyeing process,wash fastnesses and fastnesses to crocking of the four dyes were 4 or higher after 1 hot wash,1 soaping and 1 cold wash.
出处
《染料与染色》
CAS
2011年第5期21-24,共4页
Dyestuffs and Coloration
