The invention relates to a foamed, fissure-free skin-compatible article, produced by mixing a first polyurethane dispersion (A) with at least one second polyurethane dispersion (B) which differs from the first polyurethane dispersion (A), optionally with the addition of other additives, then by foaming and subsequently drying the mixture. The invention also relates to a process for preparing the foamed article and to the use thereof.

A polyisocyanate resin can include from 25 wt % to 50 wt % of a first cycloaliphatic polyisocyanate and from 50 wt % to 75 wt % of a flexibilizing component based on a total weight of the polyisocyanate resin. The first cycloaliphatic polyisocyanate can have an NCO % of from 12 wt % to 20 wt % based on ISO 11909:2007. The flexibilizing component can include a linear aliphatic polyisocyanate having a number average isocyanate functionality of from 2 to 3 based on gel permeation chromatography and an isocyanate-terminated reaction product of a second cycloaliphatic polyisocyanate and an isocyanate-reactive material, the reaction product having a Tg of less than −30° C. based on a Differential Scanning Calorimetry (2.sup.nd Heating) temperature scan from −100° C. to 150° C. using 20° C./min heating and cooling ramps. The isocyanate-terminated reaction product and the linear aliphatic polyisocyanate can be present at a weight ratio of from 0.5 to 2.5.

The invention relates to a method for producing a polyisocyanate polymer and to the polyisocyanate polymer obtainable from the method and to the use thereof as part of a two-stage method for producing a polyisocyanurate plastic, in particular for producing coatings, films, semi-finished products or molded parts containing such a polyisocyanurate plastic.

A polymerizable composition of the present invention includes a polymerization reactive compound (A), and an internal release agent (B) including a polyether-modified silicone compound (b1) represented by General Formula (1) and a polyether-modified silicone compound (b2) represented by General Formula (2), in which the polymerization reactive compound (A) is one or more compounds selected from a polyiso(thio) cyanate compound, a poly(thio) epoxy compound, a polyoxetanyl compound, a polythietanyl compound, an alkyne compound, a poly(thi)ol compound, a polyamine compound, an acid anhydride, or a polycarboxylic acid compound. ##STR00001##

The present invention provides an aircraft window including a polyurethane including a reaction product of components including (a) about 1 equivalent of at least one polyisocyanate; and (b) about 1 equivalent of 1,4-cyclohexane dimethanol based upon the about 1 equivalent of the at least one polyisocyanate, and other aircraft window compositions.

The present invention relates to a polymer composition comprising a polymeric matrix and particles of an impact modifier within the polymeric matrix, wherein the impact modifier comprises at least one urethane group and the impact modifier is obtainable by reacting in situ within the polymeric matrix a) a polyol comprising a dimer fatty residue; and b) a polyisocyanate. The invention also relates to a method of making the polymer composition.

The present invention provides a urethane resin composition including a urethane resin (A), an olefin resin (B), water (C), and a carbodiimide compound (D) having a carbodiimide equivalent of 340 or more. Also, the present invention provides a surface treatment agent including the urethane resin composition described above. Further, present invention provides an article including a layer formed of the surface treatment agent. The content of urethane bond in the urethane resin (A) is preferably within a range of 980 to 4,000 mmol/kg. The content of urea bond in the urethane resin (A) is preferably within a range of 315 to 850 mmol/kg.

The present invention provides a urethane resin composition including an anionic urethane resin (X) and water (Y). The anionic urethane resin (X) is produced using, as essential raw materials: a polyol (a) including a polycarbonate polyol (a1) produced using biomass-derived decanediol as a raw material; and a polyisocyanate (b) including an aliphatic polyisocyanate (b1) and an alicyclic polyisocyanate (b2). Furthermore, the present invention provides a dry coating formed from the urethane resin composition, and provides a synthetic leather including the coating as a skin layer. The polycarbonate polyol (a1) is preferably produced further using butanediol as a raw material. The molar ratio [(b1)/(b2)] of the aliphatic polyisocyanate (b1) to the alicyclic polyisocyanate (b2) is preferably within a range of 10/90 to 90/10.

According to the present invention, provided is a polymerizable composition for an optical material including: at least one amine compound (A) selected from a compound (a1) represented by Formula (1) and a compound (a2) represented by Formula (2); an iso(thio)cyanate compound (B) which contains two or more iso(thio)cyanate groups; and a polythiol compound (C) which contains a dithiol compound (c1) containing two mercapto groups and a polythiol compound (c2) containing three or more mercapto groups. ##STR00001##

According to the present invention, provided is a polymerizable composition for an optical material including: at least one amine compound (A) selected from a compound (a1) represented by Formula (1) and a compound (a2) represented by Formula (2); an iso(thio)cyanate compound (B) which contains two or more iso(thio)cyanate groups; and a polythiol compound (C) which contains a dithiol compound (c1) containing two mercapto groups and a polythiol compound (c2) containing three or more mercapto groups. ##STR00001##