Abstract: A process for preparing glycerol carbonate methacrylate, wherein glycidyl methacrylate is reacted with carbon dioxide in the presence of a catalyst and a solvent, wherein the catalyst is potassium iodide, the solvent is acetonitrile, one or more monoalcohols, or any desired mixture of acetonitrile and one or more monoalcohols, and the reaction of glycidyl methacrylate with carbon dioxide is carried out at a pressure from 0.5 to 5 bar.

Abstract: A process for preparing glycerol carbonate methacrylate, wherein glycidyl methacrylate is reacted with carbon dioxide in the presence of a catalyst and a solvent, wherein the catalyst is potassium iodide, the solvent is acetonitrile, one or more monoalcohols, or any desired mixture of acetonitrile and one or more monoalcohols, and the reaction of glycidyl methacrylate with carbon dioxide is carried out at a pressure from 0.5 to 5 bar.

Abstract: The present invention relates to a substantially chromium-free process for passivating metallic surfaces of Zn, Zn alloys, Al or Al alloys by treating the surface with an acidic aqueous formulation which comprises at least one substantially noncrosslinked, water-soluble polymer or copolymer containing at least 50% by weight of (meth)acrylic acid units and comprises water or an aqueous solvent mixture comprising at least 50% by weight of water, and by further treating the surface with at least one water-soluble crosslinker comprising at least 2 crosslinking groups selected from the group consisting of azirane, oxirane, and thiirane groups. The invention further relates to passivating layers obtainable by means of the process and to a formulation suitable for this process.

Abstract: Disclosed are solid pigment preparations containing (A) 60 to 95 per weight of at least one pigment, (B) 5 to 40 percent by weight of at least one water-soluble anionic surface-active additive from the group of the homopolymers and copolymers of ethylenically unsaturated monocarboxylic acids and/or ethylenically unsaturated dicarboxylic acids which can additionally contain monopolymerized vinyl monomers having no acid function, the alkoxylation products of said homopolymers and copolymers, and the salts of said homopolymers and copolymers and the alkoxylation products thereof, and (C) 0 to 20 percent by weight of at least one nonionic surface-active polyether-based additive as essential components. Also disclosed are a method for the production thereof and methods for dyeing macromolecular organic and inorganic materials.

Abstract: A method of finishing an organic pigment by dry-comminuting said pigment in the presence of a sulfonato-functional condensation product of an arylsulfonic acid and at least one aliphatic aldehyde having 1 to 6 C atoms as crystallization modifier, dispersing the resulting mixture of pigment and crystallization modifier in mineral acid, and swelling the pigment in the presence of the crystallization modifier in mineral acid.

Abstract: A method of finishing an organic pigment by dry-comminuting said pigment in the presence of a sulfonato-functional condensation product of an arylsulfonic acid and at least one aliphatic aldehyde having 1 to 6 C atoms as crystallization modifier, dispersing the resulting mixture of pigment and crystallization modifier in mineral acid, and swelling the pigment in the presence of the crystallization modifier in mineral acid.

Abstract: The present invention relates to a passivating layer on a metal surface, obtainable by contacting the metal surface with a composition comprising a water-soluble nitrogenous polymer, to a surface composed of a metal surface and the passivating layer of the invention, to a process for forming a passivating layer on a metal surface, to the use of a composition comprising a water-soluble nitrogenous polymer to passivate a metal surface, and to a system on a metal surface that comprises a passivating layer of the invention and further coating films.

Abstract: A method of finishing an organic pigment that involves dissolving or dispersing the pigment in a mineral acid and crystallizing the pigment from the solution or dispersion by mixing with an aqueous diluent in the absence of a sulfonato-functional condensation product of an arylsulfonic acid and an aliphatic aldehyde as crystallization inhibitor, which comprises ripening the crystallized organic pigment in the presence of a surfactant or in the presence of a pigment solubility enhancer in aqueous suspension.

Abstract: The present invention relates to a composition for treating surfaces, comprising a copolymer as component A, synthesized from (meth)acrylic acid or salts thereof, a carboxylate-containing monomer and/or monomers containing groups containing phosphoric and/or phosphoric acid or salts thereof, and further comonomers if desired, to a passivating layer on a metal surface, which comprises component A, to a process for forming said passivating layer, and to the use of the composition of the invention to passivate a metal surface.

Abstract: A mixture comprising a surfactant and a cosurfactant is proposed wherein the cosurfactant used is an amphiphilic comb polymer having a backbone with two or more side chains attached to the backbone, where the side chains differ from one another and/or the side chains differ from the backbone in their amphiphilic character.

Abstract: The invention relates to a methods finishing an organic pigment by dissolving or dispersing the pigment in a mineral acid and crystallizing the pigment from the solution or dispersion by mixing with an aqueous diluent in the presence of a crystallization modifier constituted by a sulfonate-functional condensation product of a naphthalenesulfonic acid and at least one aliphatic aldehyde having 1 to 6 carbon atoms, and then isolating the pigment as a solid, wherein the crystallization modifier is present in the aqueous diluent.

Abstract: The invention relates to a method of finishing an organic pigment that involves dissolving or dispersing the pigment in an aqueous solvent or a mineral acid and crystallizing the pigment from the solution or dispersion in the presence of a crystallization modifier, and subsequently isolating the pigment as a solid, wherein the crystallization modifier is a condensation product containing sulfonate groups and formed from at least one hydroxyarylsulfonic acid and/or at least one hydroxydiaryl sulfone compound and at least one aliphatic aldehyde having 1-6 C atoms, optionally urea, and an alkali metal sulfite if appropriate, or is a mixture of such condensation products.

Abstract: The present invention relates to a composition for treating surfaces, comprising a copolymer as component A, synthesized from (meth)acrylic acid or salts thereof, a carboxylate-containing monomer and/or monomers containing groups containing phosphoric and/or phosphonic acid or salts thereof, and further comonomers if desired, to a passivating layer on a metal surface, which comprises component A, to a process for forming said passivating layer, and to the use of the composition of the invention to passivate a metal surface.