Abstract: The invention relates to a solid pigment preparation containing A) 5% to 99% by weight of PY 155 and B) 1% to 95% by weight of copolymer containing the following structural units: (i) 1 to 70 mol % of structural unit B1 (ii) 1 to 70 mol % of structural unit B2 (iii) 1 to 70 mol % of structural unit B3

Abstract: Easily dispersible pigment preparation based on C.I.

Abstract: A dye base sulfate and method of making are described. The dye base sulphate of formula (I) is produced with a residual amine content of less than 2000 ppm, as determined by HPLC, by precipitation of the dye base, made by Friedel-Crafts alkylation, substitution and hydrolysis, as the dye base sulphate is a) taken up in water and subjected to a first steam distillation then filtered and optionally dried at 50 to 180° C., b) the pressed cake is treated with water or the optionally dried dye base sulphate is moistened with water, c) subjected to a further steam distillation and filtration and d) dried at 50 to 180° C.

Abstract: Layered double hydroxide salts as charge control agents in electrophotographic toners and developers, in powder coating materials, electret materials and in electrostatic separation processes of chargeable materials, such as polymers, wherein the double hydroxide salt contains monovalent and/or divalent, and also trivalent, metal cations, and also contains one or more organic anions A of the formula (I) X—R—Y??(1) wherein X is hydroxyl, carboxyl, sulfato or sulfo; Y is carboxyl, sulfato or sulfo, and R is an aliphatic, cycloaliphatic, heterocycloaliphatic, olefinic, cycloolefinic. heterocycloolefinic, aromatic, heteroaromatic, araliphatic or heteroaraliphatic radical having a total of at least 8 carbon atoms which can be substituted by one or several substituents from the group hydroxyl, amino, halogen, C1-C22-alkyl, C1-C22-alkoxy, —C1-C22-alkylene-(CO)—O—(CH2CH2O)0-50-alkyl,—C1-C22-alkylene-(CO)—O—(CH2H2O)0-50-haloalkyl, carboxy, sulfo, nitro or cyano.

Abstract: A layered double hydroxide salt as a charge control agent in electrophotographic toners and developers, in powder coating materials, electret materials and in electrostatic separation processes of chargeable materials, such as polymers, wherein the double hydroxide salt contains monovalent and/or divalent, and also trivalent, metal cations, and also contains organic anions A of the formulae (I) to (XXX) set forth in the specification.

Abstract: A salt-like hydrophobic structured silicate, wherein the cation of the salt-like structured silicate is a low molecular weight organic cation or a combination thereof with NH4+, H3O+, alkali metal, alkaline earth metal, earth metal and/or a transition metal ion. The anion of the salt-like structured silicate is an island, ring, group, chain, band, layer or tectosilicate or a combination thereof. The structured silicate is produced by (a) reacting a structured silicate, whose cation is NH4+, H3O+, an alkali metal, alkaline earth metal, earth metal, and/or transition metal ion or a combination thereof, and whose anion of which is an island, ring, group, chain, band, layer or tectosilicate, or a combination thereof, in an aqueous dispersion with a low molecular weight organic cation; (b) adding to and intensively blending with the aqueous structured silicate dispersion a hydrophobic compound from the group of waxes and metal soaps in a quantity ranging from 0.

Abstract: The invention is directed to an electrophotographic toner or developer, powder coating, ink jet ink or an electronic media having an azo colorant prepared by conducting the diazotization of aromatic or hetaromatic amines or the azo coupling reaction or the diazotization and the azo coupling reaction in a microreactor.

Abstract: The present invention relates to the use of salt-like structured silicates, in which the cation is NH4+, H3O+, an alkali metal, alkaline earth metal, earth metal or transition metal ion or a low molecular weight organic cation or a combination thereof and the anion is an island, cyclic, group, chain, ribbon, laminar or matrix silicate or a combination thereof as charge control agents in electrophotographic toners and developers, in powder coatings, electret materials and in electrostatic separation processes.

Abstract: Naphthol AS pigments of the formula (IV) where X1, X2 Y and Z are as defined in the specification and have a maximum content of the secondary components (1) to (5) defined by the upper limits set forth in the table within the specification.

Abstract: The invention is directed to an electrophotographic toner or developer, powder coating, ink jet ink or an electronic media having an azo colorant prepared by conducting the diazotization of aromatic or hetaromatic amines or the azo coupling reaction or the diazotization and the azo coupling reaction in a microreactor.

Abstract: The invention is directed to an electrophotographic toner or developer, powder coating, ink jet ink or an electronic media having an azo colorant prepared by conducting the diazotization of aromatic or hetaromatic amines or the azo coupling reaction or the diazotization and the azo coupling reaction in a microreactor.

Abstract: The dye base sulphate of formula (I) is produced with a residual amine content of less than 2000 ppm, as determined by HPLC, by precipitation of the dye base, made by Friedel-Crafts alkylation, substitution and hydrolysis, as the dye base sulphate and a) taken up in water and subjecting to a first steam distillation then filtered and optionally dried at 50 to 180° C., b) the pressed cake is treated with water or the optionally dried dye base sulphate is moistened with water, c) subjected to a further steam distillation and filtration and d) dried at 50 to 180° C.

Abstract: The present invention relates to the use of wax-coated pigment granules as colorants in electrophotographic toners and developers, powder coating materials, inkjet inks, electret fibers, and color filters, wherein the coated pigment granules have a particle size of between 0.05 and 5 mm and a wax content of from 1 to 50% by weight, based on the overall weight of the coated pigment granules.

Abstract: The invention relates to aqueous colorant preparations containing A) between 0.1 and 50 wt. % of at least one organic and/or inorganic pigment and/or at least one organic colorant. B) between 0.01 and 80 wt. % of at least one naphthol-oxyalkylate sulfopropyl ether, one alkanol-oxyalkylate sulfopropyl ether or one alkylphenol-oxyalkylate sulfopropyl ether. C) between 0 and 30 wt. % of at least one organic solvent. D) between 0 and 20 wt. % of other standard derivatives and E) between 10 and 90 wt % of water, respectively in relation to the total weight (100%) of the colorant preparation. The colorant preparation is used, for example, in printing inks, especially ink jet printing inks.

Abstract: A layered double hydroxide salt as a charge control agent in electrophotographic toners and developers, in powder coating materials, electret materials and in electrostatic separation processes of chargeable materials, such as polymers, wherein the double hydroxide salt contains monovalent and/or divalent, and also trivalent, metal cations, and also contains organic anions A of the formulae (I) to (XXX) set forth in the specification.

Abstract: The invention relates to the use of layered double hydroxide salts as charge control agents in electrophotographic toners and developers, in coating powders, electret materials and in electrostatic separation processes, characterized in that the double hydroxide salt contains monovalent and/or bivalent and even trivalent metal cations, in addition to one or several organic anions of formula X—R—Y (I), wherein X=hydroxy, carboxy, sulphato or sulpho; Y=carboxy, sulphato or sulpho, and R=a bivalent aliphatic, cycloaliphatic, heterocycloaliphatic, olefinic, cycloolefinic, heterocycloolefinic, aromatic, heteroaromatic, araliphatic or heteroaraliphatic radical having at least 8 C atoms which can be substituted by one or several substituents from the group of hydroxy, amino, halogen, C1-C22-alkyl, C1-C22-alkoxy, carboxy, sulpho, nitro or cyano.

Abstract: The invention relates to colorant preparations that essentially consist of A) 0.1 to 50% by weight, preferably 1 to 30% by weight, of at least one dye from the group of organic pigments. inorganic pigments and organic dyes, B) 0.01 to 80% by weight, preferably 0.1 to 50% by weight, of at least one water-soluble dispersing agent on the basis of an acid-free block polymethacrylic acid ester/block polyethylenoxide copolymer, C) 0 to 30% by weight, preferably 0.1 to 15% by weight, of at least one organic solvent, D) 0 to 20% by weight, preferably 0.1 to 5% by weight, of further conventional additives, E) 10 to 90% by weight, preferably 20 to 60% by weight, of water, each based on the total weight of the colorant preparation (100% by weight). The invention is useful in a variety of colorant preparations including printing inks, especially in ink-jet inks.

Abstract: The invention relates to aqueous colorant preparations containing A) between 0.1 and 50 wt. % of at least one organic and/or inorganic pigment and/or at least one organic colorant. B) between 0.01 and 80 wt. % of at least one naphthol-oxyalkylate sulfopropyl ether, one alkanol-oxyalkylate sulfopropyl ether or one alkylphenol-oxyalkylate sulfopropyl ether. C) between 0 and 30 wt. % of at least one organic solvent. D) between 0 and 20 wt. % of other standard derivatives and E) between 10 and 90 wt % of water, respectively in relation to the total weight (100%) of the colorant preparation. The colorant preparation is used, for example, in printing inks, especially ink jet printing inks.

Abstract: The invention is directed to an electrophotographic toner or developer, powder coating, ink jet ink or an electronic media having an azo colorant prepared by conducting the diazotization of aromatic or hetaromatic amines or the azo coupling reaction or the diazotization and the azo coupling reaction in a microreactor.

Abstract: The present invention relates to the use of wax-coated pigment granules as colorants in electrophotographic toners and developers, powder coating materials, inkjet inks, electret fibers, and color filters, wherein the coated pigment granules have a particle size of between 0.05 and 5 mm and a wax content of from 1 to 50% by weight, based on the overall weight of the coated pigment granules.