Abstract: The present invention relates to aqueous binder compositions obtainable by emulsion polymerization of (A) at least one C1-C10 alkyl (meth)acrylate, and/or a vinylaromatic compound having up to 20 C atoms, or mixtures thereof (monomers A), (B) and also, if appropriate, further monomers B, and (C) at least one water-soluble alkyd resin having a weight-average molecular weight between 5000 and 40 000 Da, wherein the polymerization of the monomers A and also, if appropriate, B and the alkyds C is carried out in the form of a parallel feed process, and also to their preparation and use in coating materials.

Abstract: Coating compositions containing an aqueous polymer dispersion having improved resistance toward chemicals. The aqueous polymer dispersion is prepared by polymerizing a first composition containing at least one ethylenically unsaturated group (monomers) by radical aqueous emulsion polymerization and then, in the presence of a product mixture from the previous polymerization, polymerizing a second composition containing at least one ethylenically unsaturated group (monomers) by radical aqueous emulsion polymerization. The coating compositions are such that the difference between a glass transition temperature of a polymer prepared from the first polymerization and a glass transition temperature of a polymer prepared from the second polymerization is at least 50° C.

Abstract: The present invention provides aqueous emulsion polymers comprising (A) monomers A (B) at least one (meth)acrylate with olefinically unsaturated side groups (monomers B), and (C) at least one photoinitiator, and also the use thereof in coating materials, more particularly in exterior architectural paints.

Abstract: The present invention relates to an aqueous binder composition comprising: at least one polymer P having a glass transition temperature Tg in the range from ?20 to +60° C., in the form of an aqueous polymer dispersion PD which is obtainable by free-radical emulsion polymerization of at least one ethylenically unsaturated monomer M, and 0.1 to 10% by weight, based on the sum of polymer P and oligomer, of one or more oligomers which are composed of ethylenically unsaturated monomers and have an average molecular weight Mw of 1000 to 30 000 g/mol, a glass transition temperature Tg in the range from +60 to +120° C., and an acid number in the range from 50 to 350, to a process for preparing it, to coating materials comprising it, and also to the use of water-soluble oligomers in a mixture with aqueous polymer dispersions in coating materials that lead to coatings featuring increased gloss.

Abstract: The present invention relates to an aqueous binder composition comprising (a) at least one emulsion polymer comprising as monomer units a C1-C8 alkyl (meth)acrylate, a vinylaromatic compound having up to 20 carbon atoms or mixtures thereof, (b) at least one water-soluble alkyd resin having a weight-average molecular weight of between 5000 and 40 000 Da, and (c) at least one alkyd resin having a weight-average molecular weight of more than 100 000 Da in the form of an aqueous emulsion, wherein the solids content of the mixture of (a), (b), and (c) is less than 60% by weight, and also to their use and preparation.

Abstract: The present invention relates to the use of aqueous hybrid binders for producing coating compositions, more particularly in high-gloss coating materials (high-gloss paints), and also to a process for their preparation with low residual monomer content.

Abstract: The present invention provides aqueous emulsion polymers comprising (A) monomers A (B) at least one (meth)acrylate with olefinically unsaturated side groups (monomers B), and (C) at least one photoinitiator, and also the use thereof in coating materials, more particularly in exterior architectural paints.

Abstract: The present invention provides aqueous emulsion polymers comprising (A) monomers A (B) at least one (meth)acrylate with olefinically unsaturated side groups (monomers B), and (C) at least one photoinitiator, and also the use thereof in coating materials, more particularly in exterior architectural paints.

Abstract: Coating compositions containing an aqueous polymer dispersion having improved resistance toward chemicals. The aqueous polymer dispersion is prepared by polymerizing a first composition containing at least one ethylenically unsaturated group (monomers) by radical aqueous emulsion polymerization and then, in the presence of a product mixture from the previous polymerization, polymerizing a second composition containing at least one ethylenically unsaturated group (monomers) by radical aqueous emulsion polymerization. The coating compositions are such that the difference between a glass transition temperature of a polymer prepared from the first polymerization and a glass transition temperature of a polymer prepared from the second polymerization is at least 50° C.

Abstract: The present invention relates to a method of producing coatings with increased gloss, to aqueous coating materials for such a method, and to the use of highly branched polymers as an additive for aqueous polymer dispersions for coating materials that lead to coatings having increased gloss.

Abstract: The present invention provides aqueous emulsion polymers comprising (A) monomers A (B) at least one (meth)acrylate with olefinically unsaturated side groups (monomers B), and (C) at least one photoinitiator, and also the use thereof in coating materials, more particularly in exterior architectural paints.

Abstract: The present invention relates to an aqueous binder composition comprising: at least one polymer P having a glass transition temperature Tg in the range from ?20 to +60° C., in the form of an aqueous polymer dispersion PD which is obtainable by free-radical emulsion polymerization of at least one ethylenically unsaturated monomer M, and 0.1 to 10% by weight, based on the sum of polymer P and oligomer, of one or more oligomers which are composed of ethylenically unsaturated monomers and have an average molecular weight Mw of 1000 to 30 000 g/mol, a glass transition temperature Tg in the range from +60 to +120° C., and an acid number in the range from 50 to 350, to a process for preparing it, to coating materials comprising it, and also to the use of water-soluble oligomers in a mixture with aqueous polymer dispersions in coating materials that lead to coatings featuring increased gloss.

Abstract: The present invention relates to the use of aqueous hybrid binders for producing coating compositions, more particularly in high-gloss coating materials (high-gloss paints), and also to a process for their preparation with low residual monomer content.

Abstract: The present invention aqueous coating compositions comprising (a) an acrylate-based binder comprising 1% to 10% by weight of at least one hydroxy-functional comonomer of the general formula (I) A-[B]n-C where A is a polymerizable group, B is a spacer, C is a hydroxy-functional radical, and n is 0 or 1, (b) at least one pigment, (c) water, (d) less than 3% by weight of antifrost agent, and if appropriate, further, customary auxiliaries.

Abstract: The present invention relates to aqueous binder compositions obtainable by emulsion polymerization of (A) at least one C1-C10 alkyl (meth)acrylate, and/or a vinylaromatic compound having up to 20 C atoms, or mixtures thereof (monomers A), (B) and also, if appropriate, further monomers B, and (C) at least one water-soluble alkyd resin having a weight-average molecular weight between 5000 and 40 000 Da, wherein the polymerization of the monomers A and also, if appropriate, B and the alkyds C is carried out in the form of a parallel feed process, and also to their preparation and use in coating materials.

Abstract: The present invention relates to a method of producing coatings with increased gloss, to aqueous coating materials for such a method, and to the use of highly branched polymers as an additive for aqueous polymer dispersions for coating materials that lead to coatings having increased gloss.

Abstract: The present invention relates to an aqueous coating composition having excellent freeze-thaw stability and a low-VOC content, comprising a multi-stage polymer dispersion comprising (a) an inner phase comprising at least one latex polymer derived from at least one monomer and at least one polymerizable alkoxylated surfactant having the structure: R1—R2 wherein R1 is an allyl group selected from the group consisting of CH3—CH?CH— and CH2?CH—CH2—, or an acrylic group and R2 is a radical comprising at least two carbon atoms and at least one oxyethylene or oxypropylene unit; (b) an outer phase having a glass transition temperature of from 30° C. to 110° C. containing at least one ethylenic unsaturated monomer (c) at least one pigment; (d) water; and (e) less than 3.0% by weight based on the total weight of the aqueous coating composition of anti-freeze agents.

Abstract: The present invention relates to an aqueous binder composition comprising (a) at least one emulsion polymer comprising as monomer units a C1-C8 alkyl (meth)acrylate, a vinylaromatic compound having up to 20 carbon atoms or mixtures thereof, (b) at least one water-soluble alkyd resin having a weight-average molecular weight of between 5000 and 40 000 Da, and (c) at least one alkyd resin having a weight-average molecular weight of more than 100 000 Da in the form of an aqueous emulsion, wherein the solids content of the mixture of (a), (b), and (c) is less than 60% by weight, and also to their use and preparation.

Abstract: The present invention aqueous coating compositions comprising (a) an acrylate-based binder comprising 1% to 10% by weight of at least one hydroxy-functional comonomer of the general formula (I) A-[B]n-C where A is a polymerizable group, B is a spacer, C is a hydroxy-functional radical, and n is 0 or 1, (b) at least one pigment, (c) water, (d) less than 3% by weight of antifrost agent, and if appropriate, further, customary auxiliaries.

Abstract: The present invention relates to an aqueous coating composition having excellent freeze-thaw stability and a low-VOC content, comprising a multi-stage polymer dispersion comprising (a) an inner phase comprising at least one latex polymer derived from at least one monomer and at least one polymerizable alkoxylated surfactant having the structure: R1—R2 wherein R1 is an allyl group selected from the group consisting of CH3—CH?CH— and CH2?CH—CH2—, or an acrylic group and R2 is a radical comprising at least two carbon atoms and at least one oxyethylene or oxypropylene unit; (b) an outer phase having a glass transition temperature of from 30° C. to 110° C. containing at least one ethylenic unsaturated monomer (c) at least one pigment; (d) water; and (e) less than 3.0% by weight based on the total weight of the aqueous coating composition of anti-freeze agents.