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公开(公告)号：EP2406326B1
公开(公告)日：2013-11-06
申请号：EP10712913.2
申请日：2010-03-11
申请人： BASF SE
发明人： CUNNINGHAM, Allan, Francis , HOSSENLOPP, Céline , SCHNEIDER, Heinz , TRABER, Rainer, Hans , HERRMANN, Horst , JACQUIER, Michael
CPC分类号： C09B67/0041 , C09B67/0073 , C09B67/0083 , D21H21/28 , D21H23/04
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公开(公告)号：EP2406326A2
公开(公告)日：2012-01-18
申请号：EP10712913.2
申请日：2010-03-11
申请人： BASF SE
发明人： CUNNINGHAM, Allan, Francis , HOSSENLOPP, Céline , SCHNEIDER, Heinz , TRABER, Rainer, Hans , HERRMANN, Horst , JACQUIER, Michael
CPC分类号： C09B67/0041 , C09B67/0073 , C09B67/0083 , D21H21/28 , D21H23/04
摘要： The present invention relates to an aqueous direct dye formulation, comprising (a) 5 to 25 % by weight of a dye composition comprising (a1) 50-99 % by weight of one or more dyes obtainable by reduction or thermal treatment of Direct Yellow 11, and (a2) 1 -50 % by weight of a blue, black and/or red direct dye, (all based on the dye composition); (b) up to 0.9 % by weight of a saturated, cyclic or acyclic water-soluble amine comprising a primary, secondary or tertiary amino group and at least one further functional group selected from primary, secondary and tertiary amino groups, OH groups and ether groups; and (c) up to 0.9 % by weight of urea; and (d) water, wherein the percentages for (a), (b), and (c) relate to the total weight of the aqueous direct dye formulation. The invention moreover relates to a process for their preparation and the use thereof for the dyeing, in particular of paper, as well as paper which has been dyed with this aqueous direct dye formulation.
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