分散黄棕S-3RFL合成工艺的改进

Improvment of Disperse Yellow-brown S-3RFL Technology

摘要:

对重氮化温度、偶合反应时反应物的浓度和偶合组分中双氰乙基苯胺的用量对反应收率的影响进行了研究 ,提高了产品的收率 .

Abstract:

By studying the effects on the coupling reaction yield of the reactant concentration,the quality of N,N dicyanoethylaniline,and the temperature in previous diazotization reaction,the yield of disperse yellow brown S 3RFL is increased.