Abstract: The present invention relates to aqueous dispersions comprising multistage-prepared polymers of olefinically unsaturated compounds and to the preparation and use thereof, in particular in the field of automobile coating.

Abstract: Described herein are aqueous dispersions including multistage-prepared polymers of olefinically unsaturated compounds and to the preparation and use thereof, in particular in the field of automobile coating.

Abstract: Described herein are aqueous dispersions including multistage-prepared polymers of olefinically unsaturated compounds and to the preparation and use thereof, in particular in the field of automobile coating.

Abstract: The present invention relates to an aqueous dispersion (P) comprising at least one polymeric resin (P1) and at least one polymeric resin (P2) different therefrom, where the polymeric resin (P1) is a polyamide and the polymeric resin (P2) is a polyester which is at least obtainable by reaction of at least one polymerized aliphatic C12-C24 monocarboxylic acid with at least one diol and/or polyol, (P) being obtainable by dispersing of (P1) in water or an aqueous medium in the presence of (P2), and where (P1) has an acid number <10 mg of KOH per g of polyamide, and (P) contains at most 25 wt %, based on the total weight of (P), of one or more organic solvents, and also to an aqueous coating composition comprising (P), at least one binder (A) comprising at least one polymeric resin (A1), which is different from the polymeric resins (P1) and (P2), and at least one pigment (B) for at least partly coating a substrate with a basecoat film.

Abstract: The present invention relates to an aqueous dispersion (P) comprising at least one polymeric resin (P1) and at least one polymeric resin (P2) different therefrom, where the polymeric resin (P1) is a polyamide and the polymeric resin (P2) is a polyester which is at least obtainable by reaction of at least one polymerized aliphatic C12-C24 monocarboxylic acid with at least one diol and/or polyol, (P) being obtainable by dispersing of (P1) in water or an aqueous medium in the presence of (P2), and where (P1) has an acid number <10 mg of KOH per g of polyamide, and (P) contains at most 25 wt %, based on the total weight of (P), of one or more organic solvents, and also to an aqueous coating composition comprising (P), at least one binder (A) comprising at least one polymeric resin (A1), which is different from the polymeric resins (P1) and (P2), and at least one pigment (B) for at least partly coating a substrate with a basecoat film.

Abstract: Disclosed herein are thermoplastic nanoparticles with a glass transition temperature of 30 to 120° C. prepared by hydrolysis and condensation of a compound (Ia) (D-K—X—)mA{—X—K[—B(—Y)n]p}q or (Ib) (D-K—X—)mB{—X—K[-A(—Y)n]p}q (Ib) where m is 1 to 5; n is 1 to 3; p is 1 or 2; q is 1 to 5; A is a hardening structural element which; B is a softening, flexibilizing structural element; D is the radical of a blocking agent for isocyanate groups —NCZ, in which Z=oxygen or sulfur atom; X is a group of the general formula (II) —NH—C(Z)—; K is a divalent or trivalent atom or divalent or trivalent linking functional group; Y is a group of the general formula (III) —SiErF3?r, where r is 1 to 3; E is a hydrolyzable atom or radical, and F is a nonhydrolyzable radical; processes for preparing them, and their use.

Abstract: An aqueous coating material, substantially or completely free from volatile organic compounds and preparable by mixing with one another (A) at least one aqueous primary dispersion comprising dispersed and/or emulsified, solid and/or liquid polymer particles and/or dispersed solid core/shell particles with a diameter ?500 nm, preparable by free-radical microemulsion or miniemulsion polymerization of at least one olefinically unsaturated monomer in the presence of at least one hydrophobic additive, and (B) at least one secondary aqueous polyurethane dispersion comprising at least one polyurethane and at least one light stabilizer selected from the group of the regenerable free-radical scavengers, a process for preparing it and its use.

Abstract: Aqueous primary dispersion, substantially or entirely free of volatile organic compounds, and comprising dispersed and/or emulsified, solid and/or liquid polymer particles and/or dispersed solid core/shell particles with a particle diameter?500 nm, preparable by free-radical micro- or miniemulsion polymerization of at least one olefinically unsaturated monomer in the presence of at least one hydrophobic additive and of at least one oligomeric polyester with a number-average molecular weight of from 150 to 1 500 daltons, a hydroxyl number of from 100 to 1 000 mg KOH/g, and an acid number<20 mg KOH/g and also a process for preparing it and its use as a coating material, adhesive or sealing compound or to prepare a coating material, an adhesive or a sealing compound.

Abstract: Aqueous primary dispersions and coating materials comprising dispersed and/or emulsified, solid and/or liquid polymer particles and/or dispersed solid core shell particles having a diameter?500 nm preparable by controlled free-radical microemulsion or miniemulsion polymerization of A) at least one olefinically unsaturated monomer and B) at least one olefinically unsaturated monomer which is different than the olefinically unsaturated monomer (A) and has the general formula I: R1R2C?CR3R4 (I), in which the radicals R1, R2, R3 and R4 independently of one another are hydrogen atoms or substituted or unsubstituted alkyl, cycloalkyl, alkylcycloalkyl, cycloalkylalkyl, aryl, alkylaryl, cycloalkylaryl, arylalkyl or arylcycloalkyl radicals, with the proviso that at least two of the variables R1, R2, R3 and R4 are substituted or unsubstituted aryl, arylalkyl or arylcycloalkyl radicals, especially substituted or unsubstituted aryl radicals; and in the presence of (C) at least one hydrophobic cross-linking agent for the

Abstract: An aqueous coating material, substantially or completely free from volatile organic compounds and preparable by mixing with one another (A) at least one aqueous primary dispersion comprising dispersed and/or emulsified, solid and/or liquid polymer particles and/or dispersed solid core/shell particles with a diameter ≦500 nm, preparable by free-radical microemulsion or miniemulsion polymerization of at least one olefinically unsaturated monomer in the presence of at least one hydrophobic additive, and (B) at least one secondary aqueous polyurethane dispersion comprising at least one polyurethane and at least one light stabilizer selected from the group of the regenerable free-radical scavengers, a process for preparing it and its use.

Abstract: Aqueous primary dispersions and coating materials comprising dispersed and/or emulsified, solid and/or liquid polymer particles and/or dispersed solid core-shell particles having a diameter≦500 nm, preparable by free-radical microemulsion or miniemulsion polymerization of at least one olefinically unsaturated monomer (A) in the presence of at least one hydrophobic crosslinking agent for the (co)polymer resulting from the monomer or monomers (A), wherein said monomer or monomers (A) is or are dispersed prior to (co)polymerization in an aqueous dispersion of said crosslinking agent or agents; processes for preparing them, and their use.