仪器分析法优化C.I.活性黑5合成工艺  

Optimizing Synthesis of C.I.Reactive Black 5 by Instrument-Analysis

作　　者：张静 ZHANG Jing(Tianjin DEK Chemical Co.,Ltd.,Tianjin 300163,China)

机构地区：[1]天津德凯化工股份有限公司,天津300163

出　　处：《染料与染色》2023年第1期18-20,共3页Dyestuffs and Coloration

摘　　要：在C.I.活性黑5的合成中,以高效液相色谱对其重氮化反应的pH、温度、时间进行了研究,确定了pH为1.5~2.0、温度0~5℃、时间2.0~2.5 h的最优条件。用紫外可见分光光度计对偶合反应的投料比例进行了研究,找出了适合工业生产的方法,使产品满足客户需要。In the synthesis of C.I.Reactive Black 5,the pH,temperature and time of its diazotization on the diazo salt were studied by high performance liquid chromatography,and the optimum conditions of pH 1.5~2.0,temperature 0~5℃and time 2.0~2.5 h were determined.The molar ratio of its coupling reaction was studied with UV-visible spectrophotometer,and the method was suitable for industrial production.The product C.I.Reactive Black 5 could meet customers’needs.

关 键 词：活性染料 高效液相色谱 紫外可见分光光度计 偶合反应 重氮化反应 

分 类 号：TQ610.661.55[化学工程—精细化工]