Provided are a solvent-free laminating adhesive which enables a laminate after lamination to have a good appearance, and which enables a laminate to maintain a good appearance even when the laminate is formed by high-speed lamination; a cured product of the solvent-free laminating adhesive; a polyol composition for lamination adhesives, which serves as one component of the adhesive; and a multilayer film which uses the adhesive. A solvent-free laminating adhesive composition contains, as essential components, (A) a polyisocyanate component and (B) a polyol component. In the solvent-free laminating adhesive composition, the polyol component (B) contains (b1) castor oil or a hydroxyl group-containing castor oil derivative, and (b2) a polyalkylene glycol having a number average molecular weight of 2,500 to 7,000.

Bioactive liquid formulations are formed of combinations of absorbable, segmented aliphatic polyurethane compositions and liquid polyether for use as vehicles for the controlled release of at least one active agent for the conventional and unconventional treatment of different forms of cancer and the management of at least one type of bacterial, fungal, and viral infection.

The present invention relates to a method for preparing a functional film via coffee oil, comprising (a) extracting a coffee oil from coffee; (b) modifying the coffee oil to obtain an epoxidized coffee oil; (c) adding an alcohol into the epoxidized coffee oil to obtain a coffee polyol; (d) synthesizing a polyurethane dispersive solution with the coffee polyol; (e) coating a surface of a substrate with the polyurethane dispersive solution; and (f) drying and fixing the surface of the substrate. The present invention further provides a functional textile comprising a functional film prepared by the method of above.

Disclosed is a urethane adhesive comprising a urethane resin obtained by blending a polyol with an isocyanate compound; a plasticizer; and a stabilizing agent, wherein the polyol comprises a polyether polyol, and the plasticizer comprises a castor oil based compound. Releasability of the adhesive does not degrade even though the adhesive is kept under a severe condition such as at a high temperature and at a high humidity, and the adhesive is excellent in compatibility with regard to the plasticizer and the stabilizing agent. Since the urethane adhesive is excellent in releasability with regard to a glass plate, a polarizer for liquid crystal displays and so on, it is useful as an adhesive for surface protective films which are used for windowpanes, mobile phones and the like.

Provided is a polyurethane adhesive composition comprising a polyurethane dispersion and from 1.2 wt % to 20 wt % of a polyisocyanate crosslinker. Said polyurethane dispersion is a reaction product of from 10 wt % to 40 wt % of a monomelic aromatic diisocyanate, from 30 wt % to 65 wt % of a polyether polyol, from 15 wt % to 30 wt % of a polyester polyol having at least one aromatic group and one aliphatic group, from 0.1% to 8% of a polyamine, and from 0.5% to 10% of an ionic surfactant.

A polymer preparation consisting of silane-functional polymers, including at least one polymer having at least one terminal group of formula (I) and at least one further silane terminal group, a method for producing the polymer preparation and a composition containing it. The polymer preparation has a surprisingly low viscosity, cross-links surprisingly quickly even without the use of EHS-critical catalysts such as organotin compounds or DBU, and hardens into a non-sticky material with good strength and elasticity. It is especially well suited as an elastic adhesive or sealant or as an elastic coating. The invention further relates to a method for lowering the viscosity of a polymer having at least one terminal group of formula (I) by introducing at least one further silane terminal group.

Provided is a porous layer structure including a base material (A) and a urethane foam layer provided on the base material (A), wherein the urethane foam layer is a foam layer formed by foaming a urethane prepolymer having an isocyanate group, the urethane foam layer has a density of 0.10 to 0.60 g/cm.sup.3, and the urethane prepolymer substantially contains no volatile component and satisfies a predetermined composition.

The invention relates to a method for coating textiles and/or leather, comprising applying at least one polyurethane urea dissolved in a solvent or solvent mixture, wherein the solvent consists of one or more monohydroxy-functional alcohols, or a solvent mixture consisting of organic solvents, containing >80 wt. % of at least one monohydroxy-functional alcohol in relation to the total mass of the solvent mixture is used, and wherein the polyurethane urea is formed by: a) at least one araliphatic, aliphatic and/or cycloaliphatic diisocyanate; b) at least one polyether polyol having a number average molecular weight M.sub.n≧400 and ≦6000 g/mol and an average hydroxyl functionality of ≧1.5 and ≦4; c) at least one amino-functional compound having at least two isocyanate reactive amino groups; and optionally other components. The invention also relates to a textile or leather coating produced using this method and a dissolved polyurethane urea, and to the use of the polyurethane urea for coating substrates and for producing free films.

An object which the present invention is to achieve is to provide a urethane composition capable of providing a molded product having excellent heat resistance and high hardness. The present invention is to provide a urethane composition containing a main agent (i) including a urethane prepolymer having an isocyanate group obtained by allowing a polyol (A) and a polyisocyanate (B) to react with each other, and a curing agent (ii), in which the polyol (A) includes a polyether polyol (a1) obtained by polymerizing an aromatic compound (a1-1) having two or more active hydrogen atom-containing groups and an alkylene oxide (a1-2), and a polishing material obtained by curing the urethane composition with heat, followed by slicing.

The present invention is a stretchable film of a cured product of a resin including: a polymer compound having a urethane bond in the main chain, a repeating unit containing a fluorine atom, and a repeating unit containing a silicon atom. The present invention provides a stretchable film that has excellent stretchability and strength, with the film surface having excellent water repellency, and a method for forming the same.