酸性黄是经过重氮化和偶合反应合成的一种偶氮染料，对它进行了IR、1h - NMR和元素分析的表征。
An acid yellow was synthesized by diazo and azo, and characterized by elementary analysis, IR and 1h-nmr.
本文主要论述了中性红2GL染料的合成工艺路线，并对重氮偶合反应和络合反应条件进行了讨论。
The process of Acid Red 2GL is mainly introduced in this paper, and the conditions of both diazo-couple reaction and complexation reactions are also discussed.
首先用偶合组分上带n -羟乙基官能团的偶氮染料为原料经丙烯酰化反应，得到发色单体。
First, the azo dye with N-hydroxyethyl functional group in coupling components is taken as the raw material to have acryloyl reaction, to obtain hair color monomer.
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