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.

Cathodically depositable electrocoat materials comprising basic bismuth nitrate, further comprising at least one binder having reactive functional groups and at least one crosslinker containing the complementary reactive functional groups which are able to enter into thermal crosslinking reactions.

Various embodiments relate generally to the preparation of functional quaternary ammonium salts. More particularly, various embodiments relate to the preparation of hydroxyl group functionalized quaternary ammonium halides. Various embodiments also relate to the preparation of photocurable quaternary ammonium halides from the hydroxyl group functionalized quaternary ammonium halides. In other embodiments, preparation of hydrolytically curable quaternary ammonium halide derivatives by a sol-gel process is also disclosed. Said hydroxyl group functionalized quaternary ammonium halides are useful for making polymers, which are useful as water insoluble, non-leaching, active by contact antifouling materials.

Provision of hydroxyl group functionalized quaternary ammonium halides, photocurable or hydrolytically curable urethane based polymers thereof and their use as antifouling agents.

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.

The present disclosure is in the field of polymers and pharmaceuticals/antimicrobials. The disclosure provides compounds based on SNAP (synthetic novel antimicrobial polymer) technology, compositions and methods of managing microbial infections including surgical site infections (SSIs). The present compounds are used as a management/therapeutic strategy to target microbial infections and have advantages including excellent antimicrobial potency, biofilm disruption ability, broad spectrum activity against various organisms covering both gram negative and gram positive bacteria as well as fungal pathogens, and low toxicity profile to ensure a healthy therapeutic window for use in humans.

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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 invention relates to medical aids, in particular compression products, such as compression stockings or bandages. Specifically, the invention provides a compression product comprising an elastic component or material that comprises polyurethane polymers and shows a delayed continuous relaxation behaviour. The invention furthermore provides polyurethane polymers containing N-diol having a delayed continuous relaxation behavior and corresponding quaternized polyurethane polymers, a process for producing the polyurethane polymers, a blend with elastane, as well as uses thereof.

An aqueous polyurethane resin having a cationic group in a side chain thereof is obtainable by reacting a polyester polyol, a polyisocyanate, and a diol containing a quaternary N-atom or amino group, the quaternary N-atom or amino group being not present in the carbon chain between the two hydroxyl groups of the diol. The polyester polyol is obtained by reacting an aromatic polycarboxylic acid and a polyol. The polyurethane resin is suitable as a resin in treatment liquids for inkjet printing.

A liquid set for inkjet recording, includes (i) an aqueous treatment liquid including a polyurethane resin obtainable by reacting a polyester polyol, a diol containing a quaternary N-atom or tertiary amino group, and a polyisocyanate, wherein the quaternary N-atom or tertiary amino group is present in a side chain of the carbon chain linking the two hydroxyl groups of the diol, and the polyester polyol is obtained by reacting a polyol and an aromatic polycarboxylic acid; and (ii) an aqueous inkjet ink including a colorant. A method for inkjet printing includes using the liquid set.