functional group coupling
functional group coupling
官能团耦合
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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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.
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。
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