NAPHTHOL AS-PIGMENT-MIXTURES

The invention relates to azo-pigment mixtures which contain at least one azo-pigment of formula (Ia) and at least one azo-pigment of formula (Ib), wherein, independently from each other, X1, X3 represent carbamoyl, C1-C4-alkylcarbamoyl, di(C1-C4)-alkylcarbamoyl, sulfamoyl, phenylsulfamoyl, C1-C4-alk...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: EICHHORN, Joachim, ROHR, Ulrike
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:The invention relates to azo-pigment mixtures which contain at least one azo-pigment of formula (Ia) and at least one azo-pigment of formula (Ib), wherein, independently from each other, X1, X3 represent carbamoyl, C1-C4-alkylcarbamoyl, di(C1-C4)-alkylcarbamoyl, sulfamoyl, phenylsulfamoyl, C1-C4-alkylsulfamoyl or di(C1-C4)-alkylsulfamoyl; X2, X4 represent hydrogen, C1-C4-alkyl, C1-C4-alkoxy, halogen or nitro; Y1, Y2 represents hydrogen, -C1-C4-alkyl, C1-C4-alkoxy, halogen or C1-C4-alkoxycarbonyl; and Z1, Z2 represents hydrogen, phenyl, naphthyl, benzimidazolonyl, substituted phenyl or substituted naphthyl, wherein the substituents can be 1, 2, 3 or 4 and are selected from the group consisting of halogen, nitro, cyano, C1-C4-alkoxycarbonyl, carbamoyl, C1-C4-alkylcarbamoyl, di(C1-C4)-alkylcarbamoyl, phenylcarbamoyl, sulfamoyl, phenylsulfamoyl, C1-C4-alkylsulfamoyl, di(C1-C4)-alkylsulfamoyl, C1-C4-acylamino, C1-C4-alkyl and C1-C4-alkoxy, and the pigments of formulas (Ia) and (Ib) are different.