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.
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.
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.
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