The invention relates to a method for producing a polyurethane flooring (129) for a sports field (136), the method comprising: providing (502) reactive components for producing polyurethane, the reactive components comprising an A component (902) being a polyol mixture and a B component (904) being an isocyanate mixture and water (914), the B component comprising: 2,2 Methylendiphenyldiisocyanate (922); diphenylmethane-2,4-diisocyanate (924); diphenylmethane-4,4-diisocyanate (926); and isocyanate prepolymer (932); mixing (504) the reactive components for generating a liquid polyurethane reaction mixture (129); applying (506) the polyurethane reaction mixture (128) to a ground (103) of the sports field before chemical reactions in the reaction mixture have generated a solid polyurethane foam, the polyurethane foam after its solidification to be used as the polyurethane flooring.

The invention relates to a method for producing a polyurethane flooring (129) for a sports field (136), the method comprising: providing (502) reactive components for producing polyurethane, the reactive components comprising an A component (902) being a polyol mixture and a B component (904) being an isocyanate mixture and water (914), the B component comprising: 2,2 Methylendiphenyldiisocyanate (922); diphenylmethane-2,4-diisocyanate (924); diphenylmethane-4,4-diisocyanate (926); and isocyanate prepolymer (932); mixing (504) the reactive components for generating a liquid polyurethane reaction mixture (129); applying (506) the polyurethane reaction mixture (128) to a ground (103) of the sports field before chemical reactions in the reaction mixture have generated a solid polyurethane foam, the polyurethane foam after its solidification to be used as the polyurethane flooring.

Two-component lamination adhesive, having a NCO component obtained by reacting a polyisocyanate with a composition of diols, a multilayer film comprising an adhesive layer composed of said lamination adhesive, a process for the preparation of said film, and use of said film in the manufacture of flexible packagings.

Provided is a two component adhesive composition comprising (I) an isocyanate component comprising an isocyanate-functional prepolymer that is the reaction product of reactants that comprise (A) one or more aromatic monomeric polyisocyanates and (B) one or more polyol, and (II) a polyol component comprising (A) one or more polyether polyol, (B) one or more fatty triglyceride, and (C) one or more UV absorber or one or more hindered amine light stabilizer or a combination thereof. Also provided is a method of forming a laminate using such an adhesive, and a laminate made by that method.

The present invention provides a composition for a soft urethane foam to prepare a soft urethane foam, comprising a polyol, and a foamed soft urethane foam using the same, wherein the polyol is any one selected from among a hydrocarbon polyol, a vegetable oil, and a vegetable-oil-derived dimer acid, or a mixture of a hydrocarbon polyol with any one selected from among a vegetable oil and a vegetable-oil-derived dimer acid. The present invention provides an impregnation material for impregnation of a cosmetic composition, which can control the polarity of the impregnation material for impregnating a hydrophilic cosmetic composition, and an impregnation-use urethane foam composition for preparing the same.

A system for forming an elastomeric composition for application to a substrate includes an isocyanate component and an isocyanate-reactive component. The isocyanate component includes a polymeric polyisocyanate and optionally an isocyanate-terminated prepolymer. The isocyanate-reactive component is reactive with the isocyanate component and includes a polyol component and a polyetheramine. The polyol component is a mixture of (a) a hydrophobic polyol; (b) a polyether polyol different than the hydrophobic polyol and having a weight average molecular weight greater than 500 g/mol; and (c) a polyaminopolyol. The elastomeric composition is formed as the reaction product of the isocyanate component and the isocyanate-reactive component and may be applied as an elastomeric coating layer on a substrate such as a steel pipe. The steel pipe having the applied elastomeric coating layer satisfies the standard for use in the water supply industry as set forth in AWWA C222.

Two component polyurethane adhesives contain (a) at least one alkyl-substituted 4,4-di(aminocyclohexyl)alkane wherein each cyclohexyl group is alkyl-substituted in at least one position ortho to the amino group, (b) at least one 2,4-di(aminocyclohexyl)alkane or 2,2-di(aminocyclohexyl)alkane, (c) a mixture of (ii) at least one alkyl-substituted 4,4-di(aminocyclohexyl)alkane wherein each cyclohexyl group is alkyl-substituted and (ii) at least one 2,4-di(aminocyclohexyl)alkane and/or 2,2-di(aminocyclohexyl)alkane, or (d) a mixture of 40 to 99.9% by weight (a), (b) or (c) with 0.1 to 60% by weight of at least one unsubstituted 4,4-di(aminocyclohexyl)alkane, The adhesives also contain one or more polyols, in which at least 50% of the hydroxyl groups are secondary hydroxyls. These adhesive provide a useful combination of long open time and excellent sag resistance.

Two component polyurethane adhesives contain (a) at least one alkyl-substituted 4,4-di(aminocyclohexyl)alkane wherein each cyclohexyl group is alkyl-substituted in at least one position ortho to the amino group, (b) at least one 2,4-di(aminocyclohexyl)alkane or 2,2-di(aminocyclohexyl)alkane, (c) a mixture of (ii) at least one alkyl-substituted 4,4-di(aminocyclohexyl)alkane wherein each cyclohexyl group is alkyl-substituted and (ii) at least one 2,4-di(aminocyclohexyl)alkane and/or 2,2-di(aminocyclohexyl)alkane, or (d) a mixture of 40 to 99.9% by weight (a), (b) or (c) with 0.1 to 60% by weight of at least one unsubstituted 4,4-di(aminocyclohexyl)alkane, The adhesives also contain one or more polyols, in which at least 50% of the hydroxyl groups are secondary hydroxyls. These adhesive provide a useful combination of long open time and excellent sag resistance.

The present invention relates to a polyurethane foam obtained from a polyurethane raw material containing polyol, isocyanate, a foam stabilizer, a catalyst and a foam-forming gas by a mechanical froth method, wherein the polyol contains a castor oil-based polyol having a viscosity at 25 C. of 2,000 mPa.Math.s or less, and a polyether-based polyol, the castor oil-based polyol is contained in an amount of from 20 to 80 parts by weight per 100 parts by weight of the polyol, the polyether-based polyol is contained in an amount of from 20 to 80 parts by weight per 100 parts by weight of the polyol, the polyurethane foam has an apparent density of from 100 to 700 kg/m.sup.3, and compressive residual strain at 100 C. of 20% or less, and the polyurethane foam can be preferably used as a sealing material in a neighboring region of a heat source.