Abstract: Water-redispersible polymer powders with improved characteristics in building materials are prepared using a drying aid which is a polyvinyl alcohol copolymer also containing vinyl ester monomers and specific comonomers.

Abstract: Water-redispersible polymer powders with improved characteristics in building materials are prepared using a drying aid which is a polyvinyl alcohol copolymer also containing vinyl ester monomers and specific comonomers.

Abstract: The invention relates to coating agents based on one or more mineral binders, one or more polymers, one or more fillers, and optionally one or more additives. The invention is characterized in that the coating agents contain 0.05 to 5 wt. %, with respect to the dry weight of the coating agents, of one or more flexibilizers selected from the group comprising hydroxy compounds with 1 to 25 carbon atoms, carboxylic acid compounds with 1 to 25 carbon atoms or the salts thereof, hydroxy carboxylic acid compounds with 1 to 25 carbon atoms or the salts thereof, phosphonic acids or the salts thereof, and phosphoric acids or the salts thereof, and at least 55 wt % polymers, with respect to the dry weight of the polymers and the mineral binders.

Abstract: The invention provides for the use of coating compositions based on one or more mineral binders, one or more polymers, one or more fillers, and, if desired, one or more additives for producing roof coatings, the coating compositions comprising at least 50% by weight of polymers, based on the dry weight of the polymers and of the mineral binders.

Abstract: The invention relates to coating agents based on one or more mineral binders, one or more polymers, one or more fillers, and optionally one or more additives. The invention is characterized in that the coating agents contain 0.05 to 5 wt. %, with respect to the dry weight of the coating agents, of one or more flexibilizers selected from the group comprising hydroxy compounds with 1 to 25 carbon atoms, carboxylic acid compounds with 1 to 25 carbon atoms or the salts thereof, hydroxy carboxylic acid compounds with 1 to 25 carbon atoms or the salts thereof, phosphonic acids or the salts thereof, and phosphoric acids or the salts thereof, and at least 55 wt % polymers, with respect to the dry weight of the polymers and the mineral binders.

Abstract: Provided by the invention are coating compositions based on one or more mineral binders, one or more polymers, one or more fillers and optionally one or more additives, characterized in that 2% to 30% by weight of lime is present, based on the dry weight of the coating compositions, as a mineral binder in the coating composition.

Abstract: The invention provides for the use of coating compositions based on one or more mineral binders, one or more polymers, one or more fillers, and, if desired, one or more additives for producing roof coatings, the coating compositions comprising at least 50% by weight of polymers, based on the dry weight of the polymers and of the mineral binders.

Abstract: A thickener based vinyl alcohol copolymers and cellulose ethers, containing

Abstract: The invention relates to jointing compounds which are based on vinyl ester-ethylene copolymers or on acrylate polymers in the form of their aqueous dispersions or of water-redispersible powders with, if desired, other additives, such as fillers, plasticizers, thickeners, dispersants, antifoams, preservatives, pigments and water, wherein the jointing compounds contain from 0.01 to 1.0% by weight, based on the total weight of the jointing compound, of alkylalkoxysilanes of the general formula SiRn(OR′)4−n, where n is from 1 to 3, R′ represents identical or different alkyl radicals or monoalkyl glycol radicals having from 1 to 8 carbon atoms and R represents identical or different alkyl radicals having from 1 to 8 carbon atoms which may, if desired, be substituted with a halogen such as chlorine, or with ether, ester, amide, hydroxyl, amino, carboxyl, epoxy, carboxylic anhydride or carbonyl groups.

Abstract: A process for the preparation of water-redispersible dispersion powder compositions which are modified with additives and are based on polymers of ethylenically unsaturated compounds, includes drying the corresponding aqueous polymer dispersion and applying additives, which are liquid at a temperature of .ltoreq.50.degree. C., to a pulverulent carrier material, and then adding the resulting powder during or after drying of said dispersion.

Abstract: The invention relates to a redispersible powder composition comprisinga) a base polymer from the group comprising vinyl ester polymers, styrene polymers, acrylate polymers and vinyl chloride polymers,b) 2 to 15% by weight, relative to the base polymer, of polyvinyl alcohol having a degree of hydrolysis of 85 to 94 mol % and a Hoppler viscosity of 2 to 25 mPa.multidot.s,c) 3 to 30% by weight, relative to the total weight of polymer components, of a fine antiblocking agent,d) 0.1 to 2% by weight, relative to the base polymer, of antifoams, which containse) 1 to 8% by weight, relative to the base polymer, of a fully hydrolyzed 1-alkylvinyl ester/vinyl ester copolymer having a Hoppler viscosity of 1 to 5 mPa.multidot.s. The redispersible composition according to the invention is suitable in particular for use in flowing, hydraulically setting leveling compounds.