A method for producing a polyurethane polymer comprises the steps of: (a) providing a polyol composition, the polyol composition comprising (i) a polyol, (ii) a polyethylenimine compound; and (iii) a bisulfite compound, (b) providing an isocyanate compound; (c) providing a catalyst; (d) combining and reacting the polyol composition, the isocyanate compound, and the catalyst to produce a polyurethane polymer.

A biomedical device is disclosed which is a polymerization product of a mixture comprising (a) one or more difunctional isocyanates; (b) one or more polyalcohols; (c) one or more hydroxy-terminated polysiloxane prepolymers; and (d) one or more polyoxazoline polyols having a weight average molecular weight of equal to or greater than about 1000 Daltons.

Provided herein are polymers of Formula (I), and pharmaceutically acceptable salts, co-crystals, tautomers, stereoisomers, and isotopically labeled derivatives thereof, compositions, and formulations thereof. The polymers described herein are biocompatible, non-toxic, water compatible, and operationally simple to formulate. Also provided are methods and kits involving the polymers described herein (e.g., methods of using polymers described herein for delivering agents (e.g., for therapeutic, diagnostic, prophylactic, imaging, ophthalmic, intraoperative, or cosmetic use) to a subject, cell, tissue, or biological sample, as part of materials (e.g., biodegradable materials, biocompatible materials, wound dressing (e.g., bandages), drug depots, coatings), or as scaffolds for tissue engineering. Provided are methods for synthesizing the polymers described herein, and polymers described herein synthesized by the synthetic methods described herein. ##STR00001##

A microcapsule for use with an underwater adhesive includes a shell including nanoclay platelets and a polyurea product of an interfacial polymerization of a polyamine and an aromatic polyisocyanate. The microcapsule further includes a core composition encapsulated by the shell. The core composition includes a base catalyst for formation of a polyurethane, a polyol, and a hydrophilic solvent.

Polyurethane foams are made by curing a reaction mixture that contains an aromatic polyisocyanate, at least one isocyanate-reactive material having an average functionality of at least 2 and an equivalent weight of at least 200 per isocyanate-reactive group, at least one blowing agent, at least one surfactant and at least one catalyst, a polyethyleneamine mixture having a number average molecular weight of 175 to 450 and an alkali metal, phosphonium or ammonium sulfite. Foams so produced emit low levels of formaldehyde, acetaldehyde, acrolein and propionaldehyde.

A power storage device packaging material of the present disclosure includes: a laminate at least including a substrate layer, a barrier layer, and a sealant layer, which are disposed in this order; and an adhesive layer interposed between the substrate layer and the barrier layer, the adhesive layer containing a polyurethane-based compound made of a reaction product of at least one polyester polyol resin and at least one polyfunctional isocyanate compound, wherein the polyfunctional isocyanate compound contains an isocyanurate of isophorone diisocyanate, and a content of isocyanate groups derived from the isocyanurate of isophorone diisocyanate in the polyfunctional isocyanate compound is 5 mol % to 100 mol % relative to a total amount of isocyanate groups contained in the polyfunctional isocyanate compound of 100 mol %.

Silicone polyurea block copolymers are prepared by copolymerizing: (a) a diamine composition that includes a polyethylene glycol diamine, and optionally, a dipiperidyl alkane; (b) a monofunctional silicone isocyanate; and (c) a diisocyanate. Compositions useful as passivating coatings comprising the block copolymer are also provided, and substrates coated with the compositions. Methods of preparing and using the compositions are also described.

The present disclosure provides: an adhesive composition capable of realizing good adhesion even when neither resorcin nor formalin is included therein; and a rubber-organic fiber cord composite and a tire, which are excellent in adhesion between rubber and organic fiber cords and make a low impact on the environment. Specifically, the present invention provides an adhesive composition for an organic fiber cord, comprising therein: an epoxy compound (A); a compound (B) having an amide group and an amino group per molecule; and rubber latex (C). Further, the present disclosure provides a rubber-organic fiber cord composite, comprising a rubber member and an organic fiber cord, wherein at least a portion of the organic fiber cord is coated with the adhesive composition described above.

A fluid set for inkjet printing comprising a fluid comprising a compound functionalized with at least two functional groups being of a primary amine or a secondary amine, and an aqueous inkjet ink comprising a colorant and a polymeric particle comprising an oligomer or polymer having at least 3 repeating units comprising a functional group according to general formula I, II or III. The fluid is preferably a pre-treatment liquid or over coat liquid.

The instant invention relates to a process for the encapsulation of a non-amine hydrophilic compound C, comprising the steps of: (E1) providing a reverse emulsion containing: an oil phase (O), comprising a curable mixture of isocyanate and polyalkyldiene hydroxylated or polyol dispersed in said oil phase, drops of an aqueous phase W.sup.1, containing: said non-amine hydrophilic compound C; and at least 5% by weight of a compound C carrying more than 2 amine groups; (E2) pouring the reverse emulsion of step (E1) in a second water phase W.sup.2 to make a multiple emulsion water/oil/water; and, then, (E3) curing into polyurethane all or part of the curable mixture contained in the oil phase.