Abstract: The present invention describes novel coolant concentrates and the production and use thereof.

Abstract: Clay moldings comprise a mineral material based on clay minerals as the main component and at least one hydrophopic, film-forming polymer uniformly distributed in the molding.

Abstract: An aqueous polymer dispersion having a minimum film-forming temperature of below +65° C.

Abstract: The invention relates to polymer-modified earthwork materials, containing a) a mineral main constituent based on sand, grit and/or gravel and b) at least one hydrophobic synthetic polymer that is uniformly distributed in the mineral main constituent. The invention also relates to a method for the production of said materials and to a method for the fortification of earth.

Abstract: Moldings comprise a base element consisting of a cement-bound mineral material, which may be modified with polymers, and a mineral coating present on at least one of the main surfaces of the base element and comprising a polymer-modified mineral material which contains at least one clay mineral as the main component and at least one film-forming, hydrophobic polymer distributed in the mineral material.

Abstract: An aqueous polymer dispersion, wherein the dispersion contains from 0.0001 to 1 mol of a hydrolyzable silicon group and from 0.0001 to 1 mol of a urea or thiourea group, based, in each case, on 100 g of the polymer present in the dispersion.

Abstract: The disclosure is a water containment bag comprising an at least partially water-pervious wall material enclosing a mixture of sand and a water-insoluble redispersible synthetic polymer powder having a glass transition temperature of below 50° C. It possesses improved mechanical strength and watertightness.

Abstract: Cement-based compositions comprising per 100 parts by weight of cement from 1 to 500 parts by weight of a polymer built up from a) 30-99.5% by weight of at least one alkyl ester of (meth)acrylic acid, b) 0-70% by weight of at least one vinylaromatic, c) 0.5-10% by weight of at least one alkyl polyethoxy(meth)acrylate of the formula where R1 is a hydrogen atom or a methyl group, R2 is a C1 to C4 alkyl group and n is an integer from 1 to 55, d) 0-10% by weight of at least one ethylenically unsaturated mono- or dicarboxylic acid, such as acrylic acid, methacrylic acid, maleic acid, itaconic acid, or anhydride, amide or hydroxyalkylamide thereof, e) 0-10% by weight of acrylonitrile or methacrylonitrile, and f) 0-50% by weight of further ethylenically unsaturated compounds other than a) to e).

Abstract: The present invention provides a process for preparing polymer powders by evaporating the volatile constituents from aqueous dispersions of film-forming polymers P in the presence of drying assistants T selected from the salts of oligomeric arylsulfonic acid-formaldehyde condensates wherein prior to the evaporation of the volatile constituents the aqueous polymer dispersion comprises at least 1.5% by weight, preferably at least 1.7% by weight, based on the polymer in the dispersion, of at least one anionic surface-active compound AO having at least one C6-C32 alkyl group; the polymer powders obtainable by the process; and their use in binding mineral building materials.

Abstract: The present invention provides a process for preparing polymer powders by evaporating the volatile constituents from aqueous dispersions of film-forming polymers P in the presence of drying assistants T selected from the salts of oligomeric arylsulfonic acid-formaldehyde condensates wherein prior to the evaporation of the volatile constituents the aqueous polymer dispersion comprises at least 1.5% by weight, preferably at least 1.7% by weight, based on the polymer in the dispersion, of at least one anionic surface-active compound AO having at least one C6-C32 alkyl group; the polymer powders obtainable by the process; and their use in binding mineral building materials.

Abstract: An aqueous polymer dispersion, wherein the dispersion contains from 0.0001 to 1 mol of a hydrolyzable silicon group and from 0.0001 to 1 mol of a urea or thiourea group, based, in each case, on 100 g of the polymer present in the dispersion.