The prime raw materials for azo pigment are a diazo component such as aromatic amine and a coupling component such as phenolic compound. 偶氮颜料的主要原料是一些重氮成份如芳香族胺和一些偶联成份如酚类化合物。
Some method about synthesis of piperazine with aliphatic amine were introduced. 介绍了由脂肪胺合成哌嗪的几种方法。
In this paper, the comparison of technological production in polyoxyethglene fatty amine is discribed. 本文主要记叙述了聚氧乙烯脂肪胺两种生产工艺的比较。
