Abstract: A process for producing aqueous polyurethane preparations comprises the steps of: A) providing a solution in at least one solvent of at least one polymeric polyurethane bearing ionizable groups, B) using at least one neutralizing agent to partially neutralize the at least one polymeric polyurethane bearing ionizable groups, C) dispersing the at least one polymeric polyurethane bearing ionizable groups in water, D) optionally removing the at least one solvent, E) optionally diluting the mixture after solvent removal with further water, F) admixing neutralizing agent after solvent removal.

Abstract: A process for producing a polycarbodiimide, comprising polymerizing a diisocyanate in the presence of a carbodiimidization catalyst in a reaction vessel in liquid phase at a temperature in the range of from 20 to 250° C., at a pressure in the range of from 20 to 800 mbar and in the presence of at least one inert gas, wherein the at least one inert gas is introduced into the liquid phase in the reaction vessel with a flow rate in the range of from 0.1 x/h to 100 x/h, x being the volume of the reaction vessel.

Abstract: A process for purifying a polycarbodiimide comprising (a) providing a mixture comprising a polycarbodiimide and a carbodiimidization catalyst; (b) separating carbodiimidization catalyst from the polycarbodiimide by subjecting the mixture according to (a) to a first distillation, (c) adding an entrainer to the first bottom product obtained from (b) to obtain a mixture; (d) further separating carbodiimidization catalyst from the polycarbodiimide by subjecting the mixture obtained from (c) to a second distillation.

Abstract: The present invention relates to aqueous binder compositions which are based on aqueous multistage polymer dispersions, to the uses of such binder compositions, and to coating compositions comprising them. The aqueous binder composition comprises: a) a polymer P in the form of an aqueous multistage polymer dispersion of dispersed polymer particles, where the polymer particles comprise a first polymer having a glass transition temperature of at least 30° C. and being made of ethylenically unsaturated monomers M-A, and a second polymer having a glass transition temperature of not more than 20° C. and being made of ethylenically unsaturated monomers M-B, where the ethylenically unsaturated monomers M-A and M-B together comprise: i. 85% to 99.45% by weight, preferably 87.5% to 97% by weight and in particular 90% to 95.5% by weight, based in each case on the total amount of monomers M-A+M-B, of at least one neutral, monoethylenically unsaturated monomer M1 having a solubility in water of at most 50 g/l at 25° C.

Abstract: Absorbent structures, and absorbent articles with such structures, comprising water-absorbing polymer having a coating of film-forming polyurethane and therein incorporated a hydrophilic silica.

Abstract: Articles, such as absorbent articles, are described, comprising a coating or film, for example applied to superabsorbent polymer particles, the coating or film containing a polyurethane polymer material, containing polyurethane polymers with covalently bonded modified silica-containing material.

Abstract: The present invention relates to substituted N-(cyclo)alkylpyrrolidones as solvents for use in processes for preparing polyurethane dispersions.

Abstract: The use of substituted monoureas, diureas, polyureas, monourethanes, bisurethanes or polyurethanes of the formula R1X—CO—NR3R4 in which X is R2N or O and R1 to R4 are each independently hydrogen, alkyl radicals, alkenyl radicals, cycloalkyl radicals, aryl radicals or arylalkyl radicals, where at least one variable must comprise 4 carbon atoms and where the urea or urethane functionality may be replicated via bridging members, for further improvement of the cold flow properties of mineral oils and crude oils which already comprise further organic compounds suitable for dispersion or for promoting dispersion of paraffin crystals which precipitate under cold conditions, and organic compounds which improve the cold flow characteristics of mineral oils and crude oils.

Abstract: Process for preparing higher 1,3,5-triazine carbamates and 1,3,5-triazine ureas from lower 1,3,5-triazine carbamates.

Abstract: Articles, such as absorbent articles, are described, comprising a coating or film, for example applied to superabsorbent polymer particles, the coating or film containing a polyurethane polymer material, containing polyurethane polymers with covalently bonded modified silica-containing material.

Abstract: Thermoplastic molding compositions comprising A) from 10 to 98.9% by weight of at least one thermoplastic polyester, B) from 0.01 to 50% by weight of B1) at least one highly branched or hyperbranched polycarbonate having an OH number of from 1 to 600 mg KOH/g of polycarbonate (to DIN 53240, part 2), or B2) at least one highly branched or hyperbranched polyester of the AxBy type where x is at least 1.1 and y is at least 2.1 or mixtures thereof C) from 0.1 to 10% by weight of at least one carbodiimide, D) from 0 to 60% by weight of further additives, the sum of the percentages by weight of components A) to D) adding up to 100%.

Abstract: The invention relates to a process for producing a water-absorbing material by coating water-absorbing polymer particles with a film-forming polyurethane and pyrogenic silica and heat treating the coated particles. The invention further relates to the water-absorbing material obtainable according to the process of the invention. The water-absorbing material has improved wicking ability (FHA) and fixed swell rate (FSR).

Abstract: Absorbent structures, and absorbent articles with such structures, comprising water-absorbing polymer having a coating of film-forming polyurethane and therein incorporated a hydrophilic silica.

Abstract: The present invention relates to an absorbent structure suitable in, or being an adult or infant diaper or feminine hygiene article, comprising a water-absorbing material comprising water-absorbing particles that comprise a film coating, comprising an elastic film-forming polymer and an antioxidant. The invention also relates to an absorbent structure comprising a water absorbent material obtainable by a process of: a) spray-coating water-absorbing polymeric particles with an elastic film-forming polymer in a fluidized bed reactor at a temperature in the range from 0° C. to 150° C. and b) heat-treatment of the coated polymeric particles at a temperature above 50° C., wherein in step a) and/or b) an antioxidant is added.

Abstract: A cleaning implement comprises a modified open-cell foam with a density in the range from about 5 to about 1,000 kg/m3 and with an average pore diameter in the range from about 1 ?m to about 1 mm, comprising an amount in the range from about 1 to about 2,500% by weight, based on the weight of the unmodified open-cell foam, of at least about one water-insoluble polymer (b), selected from polystyrene, styrene copolymers, polybutadiene, butadiene copolymers, polyvinylesters, polyvinylethers, copolymers from (meth)acrylic acid with at least one (meth)acrylate, and polyurethanes, with the proviso that styrene-acrylonitrile-C1-C10-alkyl (meth)acrylate terpolymers, styrene-butadiene-n-butyl acrylate terpolymers, and styrene-maleic anhydride copolymers are excluded.

Abstract: The present invention relates to an absorbent structure suitable in, or being an adult or infant diaper or feminine hygiene article, comprising a water-absorbing material comprising water-absorbing particles that comprise a film coating, comprising an elastic film-forming polymer and a coalescing agent. The invention also relates to an absorbent structure comprising a water absorbent material obtainable by a process of: a) spray-coating water-absorbing polymeric particles with an elastic film-forming polymer in a fluidized bed reactor at a temperature in the range from 0° C. to 150° C. and b) heat-treatment of the coated polymeric particles at a temperature above 50° C., wherein in step a) and/or b) a coalescing agent is added.

Abstract: The present invention relates to substituted N-(cyclo)alkylpyrrolidones as solvents for use in processes for preparing polyurethane dispersions.

Abstract: The invention relates to a bleach system comprising at least one component selected from bleach, bleach activator or bleach catalyst, wherein the bleach system is enveloped with at least one polymer layer and the polymer has urethane and urea groups. The inventive bleach system and detergent formulations comprising this bleach system are suitable for washing or cleaning textiles or dishware.

Abstract: A composition comprising a carbodiimide and a polymer, wherein the carbodiimide comprises a reaction product of a) at least one of an aliphatic C4 to C20 polyisocyanate and an araliphatic C4 to C20 polyisocyanate, b) at least one of a hydroxy carboxylic acid and a hydroxy carboxylic salt, c) optionally, a further compound carrying groups able to react with isocyanate groups in an addition reaction, d) optionally, at least one other isocyanate, and the carbodiimide units being derived essentially exclusively from the isocyanate groups of component a), and the polymer comprises a reaction product of an ethylenically unsaturated carboxylic acid and at least one of a (meth)acrylate, a vinyl ester of a carboxylic acid, a vinyl aromatic compound, an ethylenically unsaturated nitrile, a vinyl halide, an aliphatic hydrocarbon, and a free-radically polymerizable monomer. Also, a method of applying the composition on and/or in a substrate.

Abstract: Microcapsules wherein the capsule wall is formed from an organic polymer (capsule wall polymer for short) and the core of the microcapsules comprises compounds containing carbodiimide groups (carbodiimide compound for short).