Abstract: The invention relates to an adhesive composition, the preparation and use of said composition, and an article obtained by bonding using said composition. The adhesive composition comprises: a. an anionic aqueous polyurethane dispersion, which contains a polyurethane with enthalpy of fusion of at least 3 J/g, wherein the enthalpy of fusion is measured by DSC at 20° C.-100° C. of the first heating curve according to DIN 65467; and wherein said aqueous polyurethane dispersion has a hydroxyl content of 0.001% by weight to 0.085% by weight, relative to the total weight of the aqueous polyurethane dispersion; and b. an aqueous polyacrylate primary dispersion with a hydroxyl content of 0.5% by weight to 1.

Abstract: The present invention relates to an aqueous dispersion of polyurethane and a method for preparing the same, use thereof in a coating composition, and a coated product. The aqueous dispersion of polyurethane comprises a polyurethane polymer which is obtained by a reaction of a reaction mixture comprising a polyurethane prepolymer A) and an isocyanate-reactive component B), said polyurethane prepolymer A) being obtained by a reaction comprising the following components: A1) a polyisocyanate which has a functionality of not less than 2; and A2) a multifunctional polyether polyol which has a functionality of not less than 3 in an amount of 1% to 30% by weight, based on the amount of said reaction mixture as 100% by weight. The aqueous dispersion of polyurethane according to the present invention is well dispersed, and is capable of forming a coat with good waterproof, moisture permeability and washing resistance.

Abstract: Provided is an aqueous polyurethane resin composition which is excellent in finished appearance as well as excellent in impact resistance, such as chipping resistance, and adhesion.

Abstract: The present invention relates to an aqueous polyurethane dispersion, a method for the preparation thereof, a product comprising the same, and use thereof for a coating composition, an impregnating composition, an adhesive or a sealant.

Abstract: The present invention relates to an acid-resistant and alkali-resistant composition, a preparation process thereof and use thereof in producing an article, and an article comprising a substrate coated or impregnated with the same and the preparation method and use of the article. The composition contains: at least one aqueous polyurethane dispersion having a carboxyl group; at least one crosslinking agent having an isocyanate reactive group; at least one crosslinking agent having a carboxyl reactive group; and optionally an additive; wherein, the amount of the carboxyl groups in said aqueous polyurethane dispersion is more than 0.05 wt %, based on the amount of said aqueous polyurethane dispersion being 100 wt %; the amount of said crosslinking agent having an isocyanate reactive group is 0.2 wt %-10 wt %, based on the amount of said composition being 100 wt %; the molar ratio of the carboxyl reactive groups to the carboxyl groups of said composition is more than 0.5.

Abstract: The present invention relates to a coating composition, a coating system comprising the coating composition, a coating method and application of the coating system, and a product coated with the coating system.

Abstract: The present invention relates to a coating composition, a coating system comprising the coating composition, a coating method and application of the coating system, and a product coated with the coating system.

Abstract: The present invention relates to an aqueous polyurethane-urea dispersion comprising at least one polyurethane-urea made of (A1) at least one polyisocyanate, (A2) at least one polycarbonate polyol having a heat flow below 3 J/g in the first circle of DSC testing from 20 to 100° C. according to testing method DIN 65467-1999, (A3) optionally, at least one polyether polyol with an OH functionality of 1.8 to 2.2, preferably 2.0, (A4) optionally, at least one compound having a molecular weight of 62 to 400 g/mol and possessing in total two or more hydroxyl and/or amino groups, (A5) optionally, at least one isocyanate-reactive nonionically hydrophilicizing compound, (A6) optionally, at least one isocyanate-reactive, ionically, or potentially ionically, hydrophilicizing compound, (A7) optionally, at least one neutralizing reagents, (A8) optionally, at least one additive, to a process for the preparation of sais aqueous polyurethane-urea dispersion, and to its use as a coating composition.

Abstract: The present invention relates to an aqueous dispersion of polyurethane and a method for preparing the same, use thereof in a coating composition, and a coated product. The aqueous dispersion of polyurethane comprises a polyurethane polymer which is obtained by a reaction of a reaction mixture comprising a polyurethane prepolymer A) and an isocyanate-reactive component B), said polyurethane prepolymer A) being obtained by a reaction comprising the following components: A1) a polyisocyanate which has a functionality of not less than 2; and A2) a multifunctional polyether polyol which has a functionality of not less than 3 in an amount of 1% to 30% by weight, based on the amount of said reaction mixture as 100% by weight. The aqueous dispersion of polyurethane according to the present invention is well dispersed, and is capable of forming a coat with good waterproof, moisture permeability and washing resistance.

Abstract: The invention relates to a polyurethane polymer-based aqueous dispersion and a method for preparing the same, a composition comprising the aqueous dispersion, use of the composition, and a coated article. The aqueous dispersion comprises a polyurethane polymer and water, wherein the polyurethane polymer is obtained by reacting a system comprising the following components: an isocyanate compound comprising a pentamethylene diisocyanate, wherein the amount of the pentamethylene diisocyanate is not less than 25 wt. % based on that the amount of the isocyanate compound is 100 wt. %; a polymer polyol having a number average molecular weight of not less than 400 g/mol, wherein the polymer polyol comprises a carbon dioxide-derived polyether carbonate polyol, the amount of which is not less than 40 wt. % based on that the amount of the polymer polyol is 100 wt.