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β-取代基乙基砜型染料现已发展成为活性染料中一个很重要的分支。不同品种的上述染料其主体部分基本相同,所不同的仅仅是β-取代基。但是它们都能通过消除反应产生真正的活性基团乙烯砜。
Beta-substituted ethylsulfone dyes have now become a very important branch of reactive dyes. The main part of the above dyes of different varieties are basically the same, the only difference is that the β-substituents. However, they both produce the true reactive group vinylsulfone by eliminating the reaction.