摘要
本文介绍了利用对对酸(又称PP酸)合成C.I.直接黑168染料工艺、操作步骤,并对反应温度,pH条件进行了考察。该方法是目前大规模生产的常用方法。
The synthesis process of C. I. Direct Black 168 dyestuff from PP acid was introduced. The reaction temperature and pH value were studied. This method was broadly used in large-scale production.
出处
《染料与染色》
CAS
2007年第1期25-26,共2页
Dyestuffs and Coloration
关键词
染料合成
直接染料
重氮
偶合
Dyestuff synthesis
Direct dyes
diazotization
coupling
