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    • 6. 发明授权
    • Reactive red dyes containing monochlorotriazine and acetoxyethyl sulfone groups
    • 含有一氯三嗪和乙酰氧基乙基砜基团的活性红色染料
    • US06310187B1
    • 2001-10-30
    • US09646868
    • 2001-04-09
    • Sea Wha OhMyeong Nyeo KangSeung Rim ShinTae Kyung KimMi Kyoung Song
    • Sea Wha OhMyeong Nyeo KangSeung Rim ShinTae Kyung KimMi Kyoung Song
    • C09B6251
    • C09B62/4413
    • The present invention relates to a bifunctional red reactive dye and more particularly, to the bifunctional red reactive dye with monochlorotriazine and acetoxyethylsulfone as reactive groups expressed by formula (I), wherein, M is alkaline metal atom, which provides excellent combination of properties in that 1) the introduction of aminophenyl-&bgr;-acetoxyethylsulfone group to the dye may minimize the loss of dye, since its low solubility to water lessens the amount of the remaining solution during filtration, 2) an easier salting-out process requires a smaller amount of salt during the process so that the costs for the treatment of waste water may be significantly reduced, and 3) a better dyeing yield with enhanced substantivity and better brightness in color
    • 本发明涉及双功能红色反应性染料,更具体地说,涉及由式(I)表示的作为反应性基团的单氯三嗪和乙酰氧基乙基砜的双功能红色活性染料,其中M为碱金属原子,其中提供优异的性能组合 1)将氨基苯基-β-乙酰氧基乙基砜基团引入到染料中可以使染料的损失最小化,因为其对水的低溶解度可以减少过滤期间剩余溶液的量,2)更容易的盐析过程需要较少量的 在处理过程中可以显着降低处理废水的成本,并且3)更好的染色产量,增强的亲和性和更好的颜色亮度