Abstract: The present invention relates to novel polyurethanes based on a diisocyanate, a carboxylic acid functionalized diol and an acid-free diol, their use as pharmaceutical excipients for improving gastrointestinal absorption, the respective pharmaceutical dosage forms and methods for making the polyurethanes.

Abstract: An aqueous dispersion of a polyurethane wherein the polyurethane is obtained by reacting di- or polyfunctional cyanates, diols, a dicarboxylate with one or two secondary amino groups and optionally further compounds.

Abstract: Provided herein is a printing ink comprising at least two binders, at least one pigment, an aqueous carrier, and optional additives, wherein one binder is a specific polyurethane dispersion binder and a further binder is a specific poly(meth)acrylate dispersion binder.

Abstract: Mixture comprising a) at least one polyisocyanate, b) at least one reaction product of at least one polyisocyanate b1) with at least one compound b2) having at least one hydrophilic group which is not reactive toward isocyanate (group A) and precisely one group which is reactive toward isocyanate (group B) ?and c) dioxolane.

Abstract: Provided herein is a printing ink comprising at least two binders, at least one pigment, an aqueous carrier, and optional additives, wherein one binder is a specific polyurethane dispersion binder and a further binder is a specific poly(meth)acrylate dispersion binder.

Abstract: The present invention relates to a lamination printing ink comprising an aqueous polyurethane dispersion binder, pigments, an aqueous carrier and optional additives, wherein the polyurethane is made of polyisocyanates, specific polyesterdiols, polytetrahydrofuran diol, monohydroxy-poly(alkylene oxide), diamino acid compound, polyamine compound and optionally one or more low molecular weight polyols.

Abstract: The invention relates to aqueous compositions comprising a) at least one polymer PALK in the form of dispersed polymer particles, wherein the polymer PALK is obtainable by ring-opening metathesis polymerization of at least one cyclic olefin monomer, and b) at least one polymer P2 in the form of dispersed polymer particles, wherein the polymer P2 comprises no olefinically unsaturated C—C-bond and has repeating units bearing at least one polar group. The aqueous compositions are suitable in particular for producing sheetings and barrier coatings having a very good barrier action toward gases, such as air, oxygen, nitrogen, argon, carbon dioxide, and in particular toward oxygen and oxygenous gases, such as air. The sheetings and coatings also have very good mechanical properties, in particular a high elongation at break coupled with good tear strength.

Abstract: Mixture comprising a) at least one polyisocyanate, b) at least one reaction product of at least one polyisocyanate b1) with at least one compound b2) having at least one hydrophilic group which is not reactive toward isocyanate (group A) and precisely one group which is reactive toward isocyanate (group B) ?and c) dioxolane.

Abstract: The invention relates to new, water-emulsifiable isocyanates, to a process for preparing water-emulsifiable isocyanates, and to the use thereof.

Abstract: A polyurethane dispersion PUD comprises at least one polyurethane P based on at least one polyisocyanate and at least one polyester polyol PES, wherein the polyester polyol PES is based on at least one polyhydric alcohol A and at least one dicarboxylic acid D, wherein at least one polyhydric alcohol A and/or at least one dicarboxylic acid D were at least partly derived from renewable raw materials.

Abstract: The present invention relates to N-acylmorpholines as solvents for use in processes for preparing polymer dispersions.

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: The present invention relates to a lamination printing ink comprising an aqueous polyurethane dispersion binder, pigments, an aqueous carrier and optional additives, wherein the polyurethane is made of polyisocyanates, specific polyesterdiols, polytetrahydrofuran diol, monohydroxy-poly(alkylene oxide), diamino acid compound, polyamine compound and optionally one or more low molecular weight polyols.

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 use of substituted diureas, polyureas, 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 be a radical having at least 4 carbon atoms and where the urea or urethane functionality must be replicated via bridging members, for improvement of the use properties of mineral and synthetic nonaqueous industrial fluids.

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: 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: The present invention relates to a method of applying an aqueous, pesticide-comprising dispersion of a polyurethane which is composed of diisocyanates (a) and diols (b), to plants or plant parts. Furthermore, the invention relates to an aqueous, pesticide-comprising dispersion of a polyurethane which is composed of diisocyanates (a) and diols (b). It furthermore relates to the use of the dispersion for controlling phytopathogenic fungi and/or undesired plant growth and/or undesired attack by insect or mites and/or for regulating the growth of plants, by allowing the dispersion to act on the respective pests, their environment and/or the plants to be protected from the respective pest, on plant parts, on the soil and/or on undesired plants and/or on the useful plants and/or their environment.

Abstract: The invention relates to new, water-emulsifiable isocyanates, to a process for preparing water-emulsifiable isocyanates, and to the use thereof.

Abstract: The invention relates to new, water-emulsifiable isocyanates, to a process for preparing water-emulsifiable isocyanates, and to the use thereof.