| 摘要 |
Pigment preparation essentially comprising a) at least one pigment from the class of azo, anthrapyrimidine, anthanthrone, quinacridone, perinone, diketopyrrolopyrrole, dioxazine, flavanthrone, indanthrone, isoindolinone, isoviolanthrone, perylene, phthalocyanine, pyranthrone or thioindigo pigments or a mixture of pigments belonging to various classes, and b) at least one dispersant of the formula (I) <IMAGE> (I) in which P, independently of the pigments mentioned in a), is a radical of an anthanthrone azo, quinacridone, perinone, diketopyrrolopyrrole, dioxazine, indanthrone, perylene, phthalocyanine or thioindigo pigment, R1 and R2, independently of one another, are hydrogen, halogen, C1-C4-alkyl, C1-C4-alkoxy or nitro, and n is a number from 1 to 4, and their use for pigmenting of high-molecular-weight materials in the form of plastic compositions, melts, spinning solutions, varnishes, in particular of polyurethane-based aqueous varnishes or low-solvent high-solid acrylic varnishes, coating compositions and printing inks, in particular based on nitrocellulose.
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