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    • 7. 发明申请
    • AQUEOUS SOLUTIONS OF DIRECT DYES
    • 直接染色质的水溶液
    • WO2006122891A3
    • 2007-03-15
    • PCT/EP2006062115
    • 2006-05-08
    • CIBA SC HOLDING AGLAUTENBACH HOLGERKAESER ADOLF
    • LAUTENBACH HOLGERKAESER ADOLF
    • C09B67/26C09B67/34D21H21/28
    • C09B67/0073C09B67/0076D21H21/28Y10S8/919Y10S8/921
    • The invention relates to an aqueous dye solution comprising a) 5 to 30% by weight of an anionic or cationic direct dye, b) 0.01 to 5% by weight of the compound of formula (1), in which M represents hydrogen, an alkali metal or alkaline earth metal, ammonium or ammonium, that is mono-, di-, tri- or tetra-substituted by C 1 -C 4 alkyl or C 2 -C 4 hydroxyalkyl or mixtures thereof, c) 0 to 10% by weight of an inorganic or an organic acid, d) 0 to 20% by weight of further additives and e) water to complete to 100%, with the proviso that direct dyes of the formula (2) in which K is a residue of a coupling component of the acetoacetanilide, pyridone, pyrazolone or pyrimidine series and M is as defined above, are excluded, a process for their preparation and the use thereof for dyeing paper.
    • 本发明涉及一种含水染料溶液,其包含a)5至30重量%的阴离子或阳离子直接染料,b)0.01至5重量%的式(1)化合物,其中M表示氢,碱 金属或碱土金属,铵或铵,其是被C 1 -C 4烷基或C 1 -C 4烷基取代的单 - ,二 - ,三 - 或四 - 2%-C 4羟烷基或其混合物,c)0至10重量%的无机或有机酸,d)0-20重量%的其它添加剂,和e) 水完成至100%,条件是不包括其中K为乙酰乙酰苯胺,吡啶酮,吡唑啉酮或嘧啶系列和M的偶联组分的残基的直接染料如上所定义, 其制备方法及其用于染色纸的用途。