Abstract: Novel sizing compositions, their preparation and use. The compositions contain water-dispersible and/or water-soluble and alkylamine-blocked polyisocyanates, film-forming resins, coupling agents and lubricants. The isocyanates are synthesized from at least one polyisocyanate, at least one ionic and/or potentially ionic and/or nonionic compound, and at least one blocking agent which is at least 20% by weight aralkylamines.

Abstract: The invention relates to aqueous and/or water-dilutable blocked polyisocyanates, their preparation and use in optionally self-crosslinking one-component systems.

Abstract: The invention relates to polyurethane-polyurea dispersions, also called PU dispersion, which contain aralkylamine-blocked isocyanate groups, and to their preparation and use. This blocking agent ahs a significantly lower deblocking temperature as compared with the prior art. Coatings produced from this dispersion have high hydrolysis resistances. The arylamine-blocked isocyanate groups are composed of polyisocyanates, polymeric polyols having average molar weights of 400 to 6000, at least one blocking agent, and either or both of nonionically hydrophilicizing compounds or compounds having at least one ionic or potentially ionic group.

Abstract: The invention relates to a water-soluble or water-dispersible polyurethane which is the reaction product of A) at least one polyether polyol a1) having an average functionality of ≧3 and at least one urethane group-containing polyether polyol a2) having an average functionality of ≧4, B) at least one monoalcohol with 6 to 22 carbon atoms, C) at least one (cyclo)aliphatic and/or aromatic diisocyanate D) at least one oxime, monoamine and/or diamine with 2 to 18 carbon atoms, E) optionally at least one monoisocyanate with 4 to 18 carbon atoms, and F) optionally at least one polyisocyanate having an average functionality of >2 wherein the starting NCO/OH equivalent ratio is between 0.5:1 to 1.2:1 having a particularly efficient thickening effect in the high-shear range, as well as their use for the thickening of aqueous systems.

Abstract: The present invention relates to aqueous self-crosslinking PU dispersions and to coatings prepared from them.

Abstract: The invention relates to a reactive composition containing A) an isocyanate-containing compound, B) a polyol, C) an organic tin or bismuth compound, D) a thiol group-containing compound or a polyphenol which is able to react with an isocyanate group in the presence of a tertiary amine as activator and with adjacent hydroxyl groups and E) a hydrolyzable halogen compound, wherein the molar ratio SH and/or OH:metal is 2 to 500 and the molar ratio halogen/metal is 0.05 to 10.

Abstract: The invention relates to a water-soluble or water-dispersible polyurethane which is the reaction product of

Abstract: The invention relates to a powdered thickener preparation based on polyurethane, which can be incorporated particularly well into water-based paints and lacquers and into other aqueous systems, and to their use as rheological additives for thickening preferably aqueous systems.

Abstract: The invention relates to aqueous and/or water-dilutable polyisocyanate crosslinkers blocked with diisopropylamine, to their preparation and use in one-component baking lacquers, for example as fillers in automotive lacquering.

Abstract: The present invention relates to novel binders for electrical insulating enamels, comprising at least one hydroxy- and/or amino-functional polyurethane containing urea and/or hydantoin groups, prepared by reacting: a) from 15 to 40 wt. % of an organic polyisocyanate or of a mixture of organic polyisocyanates, b) from 5 to 20 wt. % of at least one aspartic acid ester, and c) from 5 to 50 wt. % of a polyhydroxy compound having a molar weight from 62 to 3000 g/mol, in d) from 25 to 50 wt. % of a solvent or of a solvent mixture and at least one blocked isocyanate component containing ester, imide, amide, and/or urethane groups, at least one organic solvent, and optionally further auxiliary substances and additives whereby the resulting enamels being distinguished by high temperature stability and good solderability.

Abstract: The invention relates to water-soluble or water-dispersible polyurethane comprising a reaction product of

Abstract: The invention relates to a new hydrophilic/water-soluble or water-dispersible polyurethane comprising the reaction product of

Abstract: The present invention relates to novel binders for electrical insulating enamels, comprising at least one hydroxy- and/or amino-functional polyurethane containing urea and/or hydantoin groups, prepared by reacting:

Abstract: The invention relates to a binder comprising at least one blocked polyisocyanate having urea and/or hydantoin groups and at least one hydroxyl component having an ester, imide, amide and/or urethane group, at least one organic solvent and optionally other auxiliary substances and additives, a process for their production. The binders according to the invention form coatings with a high temperature resistance and a good solderability.

Abstract: The present invention relates to an aqueous dispersion containing a pigment and/or a filler and, as dispersing agent, A) 50 to 90 wt. % of a non-ionic alkylene oxide adduct having a number average molecular weight of 2000 to 100,000, B) 0 to 40 wt. % of a salt of a polycarboxyl compound, C) 5 to 40 wt. % of a salt of an acidic (poly)phosphate ester and D) 0 to 60 wt. % of a water-soluble or water-dispersible polyurethane oligomer, wherein the sum of the components A)+B)+C)+D) equals 100 wt. %, based on the weight of A), B), C) and D), and the amount of at least one of components B) or D) is not 0.

Abstract: The present invention relates to mixtures comprising at least one polysiloxane defoamer, at least one emulsifier, at least one nonionic surfactant, at least one polyurethane thickener and water, to a process for the production thereof and to the use thereof.

Abstract: The invention relates to coating mixtures, containing in the anhydrous state at least one polysiloxane, at least one reactive inorganic filler, at least one inorganic material which is film-forming as melt and at least one reactive (oligo)silane, a process for manufacture and their use.

Abstract: Use of water-dispersible or water-soluble polyether-urethanes, which optionally contain isocyanate groups, as additives for inorganic binders in the preparation of a building material, particularly a high-density or high-strength mortar or concrete composition. The building material resulting from the use of the water-dispersible or water-soluble polyether-urethanes.

Abstract: The present invention relates to a process for preparing mortar/concrete compositions by incorporating into the mortar/concrete compositions either before or during the mixing operation a water-dispersible polyisocyanate whicha) has an average isocyanate functionality of 1.8 to 4.0,b) contains 4.0 to 25.0 wt. % of aliphatically and/or cycloaliphatically bound isocyanate groups (calculated as NCO; molecular weight=42) andc) contains 5 to 80 wt. % of ethylene oxide units present within polyether chains (calculated as C.sub.2 H.sub.4 O; molecular weight=44), in whichd) the polyether chains contain an average of 5 to 50 ethylene oxide units.

Abstract: A thickener composition for thickening aqueous compositions which contains a) a water soluble or water dispersible thickener containing urethane groups, b) a non-ionic aromatic or alkyl-substituted aromatic emulsifier and c) a compound corresponding to formula IR.sub.2 --?(Q.sub.2 --).sub.t H!.sub.u (I)wherein R.sub.2 represents an optionally branched and unsaturated aliphatic radical having 6 to 22 carbon atoms, a cycloaliphatic radical having 6 to 10 carbon atoms or a heterocyclic radical having 5 to 12 ring atoms, as obtained by removing the active hydrogen from a hydroxyl, amino, carboxylic acid or amide group, Q.sub.2 represents a C.sub.2 -C.sub.4 alkylene oxide unit, t has a value from 1 to 30 and u has a value from 1 to 10, and d) optionally further additives.