Disclosed is a composition for forming a polyurethane film with improved reaction stability, comprising an OH group-containing polymer; an isocyanate-based compound as a curing agent; and an alicyclic urea diol compound having two urea groups and an OH group at two terminals, and a polyurethane film with improved self-healable property from tear, derived from the composition.

The present disclosure relates to a composition for forming a polyurethane film, a polyurethane film derived from the composition and an article comprising a substrate and the polyurethane film, and the composition for forming a polyurethane film comprises an OH group-containing polymer; a curing agent; and an amphoteric ion-based polymer.

The present technology provides a curable resin composition that contains a urethane prepolymer having an isocyanate group, a coated amine formed by using a filler to coat solid amine having a melting point of 50 C. or higher, an isocyanate group-containing compound having an isocyanate group bonded to an aliphatic hydrocarbon group and having a hydrolyzable silyl group or (meth)acryloyl group, and a tertiary amine compound.

The present technology provides a curable resin composition that contains a urethane prepolymer having an isocyanate group, a coated amine formed by using a filler to coat solid amine having a melting point of 50 C. or higher, an isocyanate group-containing compound having an isocyanate group bonded to an aliphatic hydrocarbon group and having a hydrolyzable silyl group or (meth)acryloyl group, and a tertiary amine compound.

A medical device and an activating method thereof, wherein the medical device is suitable for preventing and/or treating an infection of a skin lesion and includes: (i) a substrate consisting essentially of cellulose, (ii) at least one cationic copolymer obtained by reaction of at least one polyamine, at least one polyamidoamine or a mixture thereof with at least one polyisocyanate, wherein the copolymer is anchored to the substrate, and optionally (iii) at least one dermatologically acceptable amphoteric surfactant.

A medical device and an activating method thereof, wherein the medical device is suitable for preventing and/or treating an infection of a skin lesion and includes: (i) a substrate consisting essentially of cellulose, (ii) at least one cationic copolymer obtained by reaction of at least one polyamine, at least one polyamidoamine or a mixture thereof with at least one polyisocyanate, wherein the copolymer is anchored to the substrate, and optionally (iii) at least one dermatologically acceptable amphoteric surfactant.

The present invention relates to a composition comprising an aqueous solution of a) a hydrophobically modified alkylene oxide polymer comprising a hydrophobic portion functionalized with a protonated secondary or tertiary amine or a quaternary ammonium salt and b) an acid and a salt thereof, which acid is phosphoric acid, nitrilotris(methylene)triphosphonic acid, hydrochloric acid, or sulfuric acid. The composition of the present invention is useful for the preparation of an associative thickener that can be stored for long periods, in the absence of ancillary biocides, without spoilage from biodeteriogenic attack.

The present invention relates to a composition comprising an aqueous solution of a) a hydrophobically modified alkylene oxide polymer comprising a hydrophobic portion functionalized with a protonated secondary or tertiary amine or a quaternary ammonium salt and b) an acid and a salt thereof, which acid is phosphoric acid, nitrilotris(methylene)triphosphonic acid, hydrochloric acid, or sulfuric acid. The composition of the present invention is useful for the preparation of an associative thickener that can be stored for long periods, in the absence of ancillary biocides, without spoilage from biodeteriogenic attack.

A composite laminate structure includes one or more layers of prepreg and a thermoplastic polyurethane film layer on the surface of the one or more prepregs. A method of making a composite laminate structure including a thermoplastic polyurethane film is also provided.

A composite laminate structure includes one or more layers of prepreg and a thermoplastic polyurethane film layer on the surface of the one or more prepregs. A method of making a composite laminate structure including a thermoplastic polyurethane film is also provided.