| 摘要 |
The invention concerns dyeing formulations consisting of the following elements: a) at least a dye selected from the group comprising hardly water-soluble dyes a1) and water-soluble dyes a2), b) water, c) in the case of hardly water-soluble dyes a1), at least a dispersant and d) at least a compound of formula (I), wherein the variables are defined as follows: R<1>, R<2 >are selected independently of each other from the group consisting of hydrogen, C1-C4 alkyl, CH2-O-R<3>, R<3 >representing hydrogen or C1-C4 alkyl.
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