Abstract: This invention relates to polyurethane/polyureas. These polyurethane/polyurea materials comprise the reaction product of (A) a polyisocyanate prepolymer having an NCO group content of about 4 to about 30% and an average functionality of 1.8 to 6, and (B) an isocyanate-reactive component comprising at least one aromatic diamine compound. The (A) polyisocyanate prepolymers herein comprise the reaction product of (1) at least one (cyclo)aliphatic polyisocyanate with (2) an organic compound having 1.8 to 5 hydroxyl groups and a hydroxyl equivalent weight of 150 to 2000 g/eq., and which is selected from the group consisting of OH-functional polybutadienes, OH-functional polyalkylene, OH-functional polyalkylene phthalates, OH-functional polyalkylene isophthalates, OH-functional polyalkylene terephthalates and mixtures thereof.

Abstract: This invention relates to polyurethane/polyureas. These polyurethane/polyurea materials comprise the reaction product of (A) a polyisocyanate prepolymer having an NCO group content of about 4 to about 30% and an average functionality of 1.8 to 6, and (B) an isocyanate-reactive component comprising at least one aromatic diamine compound. The (A) polyisocyanate prepolymers herein comprise the reaction product of (1) at least one (cyclo)aliphatic polyisocyanate with (2) an organic compound having 1.8 to 5 hydroxyl groups and a hydroxyl equivalent weight of 150 to 2000 g/eq., and which is selected from the group consisting of OH-functional polybutadienes, OH-functional polyalkylene, OH-functional polyalkylene phthalates, OH-functional polyalkylene isophthalates, OH-functional polyalkylene terephthalates and mixtures thereof.

Abstract: This invention relates to polyurethane/polyureas with improved catalysis and to a process for the preparation of these polyurethane/polyureas. These materials comprise the reaction product of (A) a (cyclo)aliphatic polyisocyanate or (cyclo)aliphatic polyisocyanate prepolymer, with (B) an isocyanate-reactive component comprising at least one aromatic diamine compound containing from 1 to 8 thiomethyl groups, in the presence of (C) one or more catalysts selected from the group consisting of tin (II) catalysts, bismuth (III) catalysts and mixtures thereof. Preferably, the materials are optically clear.

Abstract: The present invention relates to isocyanate functional prepolymers, aqueous polyurethane dispersions produced from the prepolymers and various uses of such dispersions. The prepolymers are prepared by reacting a diisocyanate, a dihydroxy compound having a number average molecular weight of from about 700 to about 16,000, and a trihydroxy component of the formula: R—(OH)3 where R is a saturated straight chain or branched chain aliphatic group of from 2 to 8 carbon atoms. The invention also relates to polyurethane dispersions prepared from the prepolymers and to various uses of the resultant dispersions.

Abstract: Curable aqueous polyurethane polymer dispersions are described. The dispersion comprises a polyurethane copolymer having pendant (meth)acrylate groups and pendant carboxylic groups along the main chain and a tertiary aminofunctional unsaturated monomer that has reacted in an acid/base reaction with the carboxylic acid groups on the main chain. The dispersion can be applied to the surface of a substrate and cured using ultra-violet or electron-beam radiation to form a cured polyurethane having desired properties that does not emit volatile amine compounds.

Abstract: The present invention relates to a binder-containing coating composition, which may be cured by free radical polymerization, wherein the binder resins contain A) the reaction product of i) one or more polyisocyanates with ii) a hydroxyl component containing ii-a) one or more hydroxyl compounds containing two ethylenically unsaturated groups, B) the reaction product of i) one or more polyisocyanates with ii) a hydroxyl component containing ii-a) one or more hydroxy functional lactone ester (meth)acrylates having a number average molecular weight of about 200 to 2,000, and C) the reaction product of i) one or more polyisocyanates with ii) a hydroxyl component containing ii-a) one or more hydroxy functional (meth)acrylates.

Abstract: This invention relates to polyurethane elastomers and to a process for their production. These elastomers comprise the reaction product of a (cyclo)aliphatic isocyanate component having an NCO group content of about 20 to about 45%, with an isocyanate-reactive component comprising one or more polyether polyols which is free of amine groups, and a low molecular weight organic compound containing two hydroxyl groups and which is free of amine groups, in the presence of one or more catalysts.

Abstract: The present invention is directed to polyisocyanate addition compounds which i) are substantially free from isocyanate groups and are prepared from one or more a) polyisocyanate adducts and/or b) NCO prepolymers, ii) contain urethane groups, iii) contain fluorine in an amount of 0.01 to 50% by weight, and iv) contain ethylenically unsaturated groups in an amount of 2 to 40% by weight, wherein the preceding percentages are based on the solids content of the polyisocyanate addition compounds. The fluorine is incorporated by reacting an isocyanate group with a compound containing two or more carbon atoms, one or more hydroxyl groups and one or more fluorine atoms to form urethane and optionally allophanate groups. More than 50 mole % of the groups that incorporate fluorine into the addition compounds are urethane groups. The polyisocyanate addition compounds are useful in coating compositions that are curable by free radical polymerization.

Abstract: A two-component adhesive, sealant, or coating composition containing (i) a first component containing a portion of an alkoxysilane-functional urethane and water; and (ii) a second component containing the remaining portion of the alkoxysilane-functional urethane and a catalyst. The alkoxysilane-functional urethane includes the reaction product of (a) the reaction product of a hydroxy functional compound and a polyisocyanate, that contains isocyanate groups; with (b) an amine functional aspartate. The composition is used in a method of bonding a first substrate to a second substrate. The method includes (a) combining component i) and component ii) to form a mixture, applying a coating of the mixture to at least one surface of the first substrate or the second substrate, and contacting a surface of the first substrate with a surface of the second substrate. The method is used make an assembly.

Abstract: The present invention relates to polyurethane/ureas wherein the polyurethane/ureas contain 0.5 to 6% by weight, based on the weight of the polyurethane/ureas, of alkoxysilane groups (calculated as Si, MW 28), which have been incorporated by the reaction of isocyanate groups with a dihydroxy compound containing urea and alkoxysilane groups, and wherein the polyurethane/ureas optionally contain hydrophilic groups and are optionally dispersed in an aqueous medium. The present invention also relates to a process for preparing these polyurethane/urea and to their use for preparing coatings.

Abstract: This invention relates to stable liquid, trimer and allophanate-modified isocyanates, a process for the production of these isocyanates, foams prepared from these isocyanates and a process for the production of these foams.

Abstract: This invention relates to ethylenically unsaturated polyisocyanate addition compounds and to coating compositions prepared from these ethylenically unsaturated polyisocyanate addition compounds. These ethylenically unsaturated polyisocyanate addition compounds resins comprise the reaction product of (a) lysine triisocyanate and (b) at least one hydroxy-functional (meth)acrylate.

Abstract: The present invention is directed to an aqueous coating composition comprising the reaction product of a hydrophobic, fluorine-functional polyisocyanate and an aqueous hydroxy-functional polyisocyanate. The present invention is also directed to a process for the production of this aqueous coating composition.

Abstract: The present invention relates to polyurethane/ureas wherein the polyurethane/ureas contain 0.5 to 6% by weight, based on the weight of the polyurethane/ureas, of alkoxysilane groups (calculated as Si, MW 28), which have been incorporated by the reaction of isocyanate groups with a dihydroxy compound containing urea and alkoxysilane groups, and wherein the polyurethane/ureas optionally contain hydrophilic groups and are optionally dispersed in an aqueous medium. The present invention also relates to a process for preparing these polyurethane/urea and to their use for preparing coatings.

Abstract: A curable, alkoxysilane-functional polyether urethane composition formed by combining a) a first silane terminated polyurethane prepared by reacting i) a mono-functional compounds with ii) an isocyanate component containing two isocyanate groups, the reaction product reacted with iii) a compound containing an isocyanate-reactive group and one or more reactive silane groups to form a moisture-curable, alkoxysilane-functional polyether urethane; and b) a second silane terminated polyurethane prepared by reacting i) an alkyl monofunctional alcohol, amine, and/or thiol, with ii) an isocyanate component containing two isocyanate groups, the reaction product reacted with iii) a compound containing an isocyanate-reactive group and one more reactive silane groups. The urethane composition can be used in coating, sealant and/or adhesive compositions. The coating compositions are used to form a coated substrate.

Abstract: This invention relates to stable liquid, trimer and allophanate-modified isocyanates, a process for the production of these isocyanates, foams prepared from these isocyanates and a process for the production of these foams.

Abstract: The present invention is directed to blocked biuret group-containing polyisocyanate compositions, wherein the blocking agent is of the formula: wherein R1, R2, R3 and R4 may be the same or different and represent a moiety selected from the group consisting of hydrogen, C1-C6-alkyl and C3-C6-cycloalkyl, R5 represents a moiety selected from the group consisting of C1-C10-alkyl and C3-C10-cycloalkyl, and B is a group according to one of the following structural formulas wherein each occurrence of R6, R7, and R8 may be the same or different and represent a moiety selected from the group consisting of C1-C6-alkyl and C3-C6-cycloalkyl and R9 is a moiety selected from the group consisting of hydrogen, C1-C6-alkyl and C3-C6-cycloalkyl.

Abstract: A process for preparing a moisture-curable, polyether urethane containing terminal cyclic urea/reactive silane groups by reacting at an NCO:OH equivalent ratio of 1.5:1 to 2.5:1 a) a hydroxyl component containing i) a polyether containing two hydroxyl groups and one or more polyether segments, wherein the polyether segments have a number average molecular weight of at least 3000 and a degree of unsaturation of less than 0.04 milliequivalents/g, and ii) a polyether containing one hydroxyl group and one or more polyether segments having a number average molecular weight of 1000 to 15,000, with b) an isocyanate component containing i) a compound containing two isocyanate groups, and ii) a compound containing one isocyanate group, and subsequently reacting this reaction product at an equivalent ratio of isocyanate groups to isocyanate-reactive groups of 0.8:1 to 1.

Abstract: The present invention relates to novel polyaspartimides, their method of production and the use of these polyaspartimides as reactive components for polyisocyanates in two-component polyurethane coating compositions. The polyaspartimides are prepared by reacting a polyether amine with a maleimide.

Abstract: The present invention is directed to a non-aqueous composition curable by UV radiation broadly comprising a mixture of two UV curable urethane acrylates. The invention is also directed to a coating process using such composition. One of the urethane acrylates is the reaction product of an isocyanate and a specific OH functional lactone ester (meth)acrylate. The other urethane acrylate is the reaction product of an isocyanate and a specific hydroxy functional (meth)acrylate.