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: An improved composition for and method of priming a concrete pump line is provided. The flowable composition comprises a solid particulate mixture and water, the particulate mixture being comprised of solvatable polymeric material preferably selected from a group consisting of polyacrylamide, polyacrylate and mixtures thereof; an organic complexing agent preferably of urea; and a buffering agent preferably of citric acid. The invention provides a flowable composition exhibiting improved coating and lubrication to the inner walls of a concrete line as it passes therethrough. The flowable composition mixes quickly with water to form a clear solution, hydrates quickly upon being mixed with water, and provides a composition for use in priming concrete pump lines that does not utilize cement or priming grout slurry.

Abstract: The present invention provides an excellent radiation curable aqueous coating composition, which is highly safe and can make the adhesion to a metal surface and the corrosion resistance compatible which have been considered to conflict with each other, particularly adhesion after severe working and solvent resistance, and particularly durability to alcohols having high polarity. The composition of the present invention contains (1) a phosphoric acid ester compound having an ethylenically unsaturated double bond, (2) an aqueous polyurethane resin having both an ethylenically unsaturated double bond and a group capable of forming a salt, and (3) colloidal silica.

Abstract: Process for the preparation of aqueous dispersions of carboxylated anionic polyurethanes free from volatile aminines, useful for the preparation of coatings for leather, paper, metals, textiles and plastics.

Abstract: The present invention relates to polyurethanes with nonionic hydrophilic terminating groups and aqueous dispersions thereof. The polyurethanes may be used as freely added materials or as dispersants for particles such as pigments, disperse dyes, pharmaceuticals and other similar particles, the urea termination has nonionic hydrophilic substituents, such as methoxyethyl groups.

Abstract: The invention relates to a water borne coating composition comprising a polyurethane and a polyisocyanate, wherein the composition further comprises a compound having a molecular weight of at most 1,000 and having at least two isocyanate-reactive groups, with the proviso that said compound having a molecular weight of at most 1,000 and having at least two isocyanate-reactive groups is not a poly(ethylene glycol), and that the polyurethane differs from the material formed by reaction of the polyisocyanate and the compound having a molecular weight of at most 1,000 and having at least two isocyanate-reactive groups.

Abstract: Solvent-based coatings having writable-erasable surfaces are provided. The coatings have many desirable attributes. For example, the coatings cure rapidly under ambient conditions, have low VOC emissions upon curing, and have reduced tendency to form ghost images, even after prolonged normal use.

Abstract: The present invention relates to the preparation of aqueous, solvent-free or low-solvent, storage-stable polyurethane crosslinker dispersions having pyrazole-blocked isocyanate groups, to coating compositions prepared from them and to their use in coatings.

Abstract: The present invention is a coating composition for coating materials, such as silica sand and other media, containing a water-based polyurethane dispersion, a colorant, and optional ingredients such as coalescing solvents and cross-linking agents, and a coated silica sand which is strong in color, lightfast, and resistant.

Abstract: A process for the preparation of stable aqueous polycarbodiimide dispersions to be used as cross-linking agents, in which initially an isocyanate functional polycarbodiimide is prepared from a polyisocyanate and a mono- or polyisocyanate which contains a hydrophobic group. Thereafter the polycarbodiimide chain is capped and/or extended by reaction of the isocyanate functions or a part thereof with a hydrophilic amine- or hydroxy functional compound and of the remaining isocyanate functions with an amine- or hydroxy functional compound which contains hydrophobic groups, after which the obtained product is dispersed in water and the pH is adjusted to 9-14. The hydrophobic groups are hydrocarbons with 4-25 carbon atoms, fluorinated hydrocarbons, silicone functional hydrocarbons or polysilicones. Further, the invention relates to a coating mixture in which the polycarbodiimide dispersion is used as cross-linking agent and to the cured material obtained with the coating mixture.

Abstract: The present invention provides aqueous dispersions comprising a pigment (B) at least partially enveloped by polyurethane (A) and further comprising at least one polymerization inhibitor (C), said polyurethane (A) being obtainable by reaction of (a) 15% to 70% by weight of di- or polyisocyanate comprising on average from 1 to 10 allophanate groups and on average from 1 to 10 C—C double bonds per molecule, and optionally (b) 0% to 60% by weight of further di- or polyisocyanate, with (c) 5% to 50% by weight of compound having at least two isocyanate-reactive groups, weight % ages being based on total polyurethane (A).

Abstract: A low application temperature rubber-based hot melt adhesive having properties particularly well suited for use in the construction of disposable articles has been invented. The adhesive comprises a styrene block copolymer and a type of wax in an amount effective to produce a viscosity at 120° C. of below about 10,000 centipoises, a cube flow at 130° F. (54° C.) of less than about 300%, a DSC crystallization temperature of less than about 75° C. and a storage modulus of less than about 1.0×107 dynes/cm2 at 10 rads/sec (25° C.).

Abstract: There is provided an electromagnetic wave shield employing water-dispersed polyurethane. The electromagnetic wave shield comprises a plastic layer; a water-dispersed polyurethane primer layer formed on the plastic layer; and a metal deposited layer formed on the water-dispersed polyurethane primer layer. The electromagnetic wave shield has excellent surface property of a deposited metal and good durability through providing peeling resistance for a metal deposited layer by water-dispersed polyurethane.

Abstract: An inkjet printing system, comprising an inkjet printer and an ink composition comprising: (a) water; (b) dispersed pigment particles; (c) a humectant; and (d) a fluorinated polyurethane additive which is different from any pigment polymeric dispersant in the ink, the additive having a weight average molecular weight of at least 10,000 daltons.

Abstract: A process for the production of an aqueous polyurethane urea resin dispersion with a carboxyl number of 10 to 50 mg KOH/g resin solids and a ketone content of 5 to 10 wt. % relative to resin solids, comprising the steps: 1) producing a carboxylate-functional, non-gelled, water-dispersible polyurethane prepolymer with a free isocyanate group content of 1.5 to 3 wt.

Abstract: A water-dispersible, air-drying uralkyd resin comprising the reaction product of a) of at least one fatty acid modified polyester polyol comprising components i) at least one unsaturated C6 to C30 fatty acid; ii) at least one aromatic monocarboxylic acid; iii) at least one (cyclo)aliphatic dicarboxylic acid or (cyclo)aliphatic dicarboxylic anhydride; iv) at least one polyol; b) at least one polyol having a hydroxyl value in the range of from 50 to 350 mgKOH/g; c) at least one polyol bearing ionic and/or potentially ionic water-dispersing groups with a weight average molecular weight ?<500 g/mol; and d) at least one polyisocyanate.

Abstract: A novel method of preparing an aqueous dispersion of non-uniform polyurethane particles which comprises (a) preparing at least two isocyanate-terminated polyurethane prepolymers having different hydrophilicities; (b) preparing a uniform mixture of said prepolymers, and (c) dispersing the mixed prepolymers in an aqueous medium. The resulting dispersion of the prepolymers may optionally be chain extended. This method enables the preparation of core-shell particles as well as particles of other morphologies, including “raspberry”, interpenetrating network, “salt-and-pepper”, “ice-cream cone” and particles of gradient composition. Similarly, an aqueous dispersion of two different polyurethane polymers may be obtained by first preparing at least two different isocyanate-terminated polyurethane prepolymers, preparing a uniform mixture of such prepolymers and thereafter dispersing the mixture in an aqueous medium.

Abstract: The invention is directed to aqueous coating compositions with improved rheology performance, comprising A) at least one water-dilutable binder, optionally, at least one cross-linking agent B), at least one sagging control agent C) obtainable by reacting a polyisocyanate with an amine, water and optionally usual coating additives, pigments and/or organic solvents, wherein the sagging control agent is obtained by reacting in an aqueous phase in presence of a water-dilutable binder C1) at least one polyisocyanate with C2) at least one amine having at least one primary amino group and at least one hydroxyl group.

Abstract: Disclosed is a waterborne composition comprising of a water-based polyurethane, water, and colorant which can be used as a printing ink for non-woven articles.

Abstract: The present invention provides coating compositions that include reactive diluents and have high performance, low VOC levels, and low irritation levels. Certain embodiments of the present invention include water and water-dispersible polymers and other embodiments do not include water.

Abstract: An aqueous polyurethane resin composition obtained by: obtaining a neutralized prepolymer having a terminal isocyanate group by reacting a polyisocyanate (A) and a polyfunctional compound (B) containing a polyester polyol (B1) having an acidic group and at least one member selected from the group consisting of other polyols (B2) and chain extenders (B3) so as to satisfy a condition expressed by the following mathematical formula (1); and subjecting the neutralized prepolymer having a terminal isocyanate group to a chain elongation reaction with the use of a polyamine (C) containing at least two groups selected from the group consisting of an amino group and an imino group and water (D) so as to satisfy conditions expressed by the following mathematical formulas (2) and (3) to obtain a elongated product, and then dispersing the elongated product into water: 100/80?a/b?100/40 ??(1) 100/98?a/(b+c)?100/80 ??(2) 100/105?a/(b+c+2d)?100/95 ??(3) (in formulas (1) to (3), a represents the number of iso

Abstract: An aqueous polyurethane resin having a Si atom content of 0.05 to 1.5% by weight in a polyurethane resin is produced by at least reacting an isocyanate group-terminated prepolymer which contains 1 to 15% by weight of a polyoxyethylene group in a side chain branched from the main chain and has two or more isocyanate groups at an end of the main chain, with a chain extender which contains at least a compound having two or more active hydrogen groups reactive with the isocyanate group and an alkoxysilyl group.

Abstract: A two-pack coating composition comprising curing agents selected from the group consisting of non-blocked poly-functional isocyanates I, polyaziridines Z, and carbodiimides Y, and an aqueously dispersed polyurethane U wherein the polyurethane U comprises building blocks derived from hydroxyl group containing unsaturated fatty acids B21, a process for the production of the polyurethane U, and a method of use thereof in combination with the said curing agents in preparing coating compositions which are particularly useful for wood.

Abstract: Compositions and methods of making urethane based nonionic associative thickeners are described herein. Uses of the nonionic associative thickeners are also described.

Abstract: Disclosed is an aqueous polyurethane obtained by reacting a sulfonate containing a hydrophilic group represented by the following general formula (1): (in which M represents an alkali metal atom or an ammonium, and p represents an integer of 2 to 20) and an amino group with a polyurethane prepolymer having an isocyanate group at an end thereof, characterized in that the hydrophilic group represented by the general formula (1) bonds with a urea bond moiety of the polyurethane.

Abstract: The instant invention is a device for producing dispersions and method of producing dispersions. The device for producing dispersions includes a first stator, a second stator, a shell encasing the first stator and the second stator, a rotor being disposed therebetween the first stator and the second stator thereby forming a first chamber and a second chamber, at least one first inlet port into the first chamber, and at least one outlet port out of the second chamber. The device may optionally include at least one additional second inlet port into the second chamber.

Abstract: A water-based screen printing ink composition which can be used for flexo or gravure printing includes an acrylic or urethane-acrylic copolymer emulsion, a crosslinker, a pigment selected from the group consisting of luminescent pigments, magnetic pigments, optical effect pigments, optically variable pigments, and a catalyst. The crosslinker has at least two different chemical functionalities within the same molecule, a first of which forms a covalent link with the polymer prior to printing and a second of which effects crosslinking of the polymer to cure the printed ink.

Abstract: Disclosed is a urethane emulsion exhibiting excellent stability, whose cured product is excellent in water resistance. Specifically disclosed is a urethane emulsion obtained by stirring a urethane prepolymer composition containing a carboxylated urethane prepolymer, water and a neutralizing agent at a shear rate of 5,000-19,000 s?1. The carboxylated urethane prepolymer is obtained by reacting a polyisocyanate compound having two or more isocyanate groups, a polyol compound having two or more hydroxy groups and a carboxylated compound having two or more hydroxy groups and one or more carboxy groups under such a condition that the molar ratio of the isocyanate group to the carboxy group is within the range of 12-200.

Abstract: The present invention relates to a mono- and/or polyallyl-polyether-urethane, to water-soluble or water-dispersible polymers which comprise such a polyether-urethane in copolymerized form, and to cosmetic or pharmaceutical compositions which comprise a water-soluble or water-dispersible polymer based on a mono- and/or polyallyl-polyether-urethane.

Abstract: The present invention relates to innovative single-component polyurethane systems based on water-soluble polyurethanes or their aqueous solutions, to a process for preparing them, and to the use.

Abstract: A process for the preparation of an aqueous dispersion of an auto-oxidatively drying polyurethane, comprising the steps of: a) forming the auto-oxidatively drying polyurethane by reacting an unsaturated fatty acid esterified polyol, a hydroxyl functional polyalkene having one or more unsaturated bonds in the backbone chain between 2 hydroxyl groups, a polyhydroxy carboxylic acid, a polyisocyanate, and optionally a diol having no polyunsaturation; b)optionally adding a neutralizing agent; and c) dispersing the product of step (a) or (b) in water to form an aqueous dispersion. The invention further relates to aqueous dispersions and coating compositions of an auto-oxidatively drying polyurethane, to hybrid dispersions further comprising a co-binder, preferably an acrylic binder as a co-dispersion, as a molecular hybrid or as a blend and to the use thereof for coating fabrics, plastics, wood, or metal.

Abstract: The present invention relates to innovative aqueous polyurethane solutions, to the soluble polyurethanes present therein, to a process for preparing them, and to the use in polyurethane systems.

Abstract: The present invention provides coating compositions that include reactive diluents and have high performance, low VOC levels, and low irritation levels. Certain embodiments of the present invention include water and water-dispersible polymers and other embodiments do not include water.

Abstract: A polymer compound comprises a unit composed of a sulfur-containing compound (A) having at least two active hydrogen groups, a unit composed of a compound (B) having at least two isocyanate groups and a unit composed of an amine compound (C) having at least two active hydrogen groups, and having an average particle size of 200 nm or smaller. The polymer compound can be used in a recording medium.

Abstract: Aqueous polyurethane dispersion are disclosed where the dispersions contain from 5 to 70 weight percent polyurethane solids wherein the solids are obtained from at least one isocyanate terminated prepolymer prepared by reacting (a) a polyol or polyol blend having a mean average equivalent weight of 200 to 2,000; and (b) at least one polyisocyanate where the prepolymer is dispersed in water; optionally in the presence of (c) one or more stabilizers; or (d) one or more amine chain extenders or both; wherein the prepolymers have an isocyanate (NCO) content of from 2 to 40 weight percent and the polyol or polyol blend (a) contains at least 15 weight percent of a polyester based on a polycarboxylic acid or lactone component and a glycol component, wherein the glycol component contains isomers of 1,3- and 1,4-cyclohexanedimethanol (1,3-/1,4-CHDM) where the ratio of the 1,3-/1,4-isomers is from 35:65 to 65:35.

Abstract: An aqueous dispersion of nanoparticle/polyurethane composites is made by forming a mixture of nanoparticles and a continuous mass of a polyurethane prepolymer in the substantial absence of water and dispersing the mixture so made in aqueous medium. Alternatively, a polyurethane prepolymer or a mixture of nanoparticles and a continuous mass of a polyurethane prepolymer is dispersed into an aqueous dispersion of nanoparticles.

Abstract: Carpet protectants comprising an aqueous dispersion comprising A. a partially fluorinated urethane polymer having at least one urea linkage, which compound is the product of the reaction of: (1) at least one organic polyisocyanate containing at least three isocyanate groups; (2) at least one fluorochemical compound which contains per molecule (a) a single functional group having one or more Zerewitinoff hydrogen atoms and (b) at least two carbon atoms, each of which is attached to at least two fluorine atoms; and (3) water in an amount sufficient to react with from about 5% to about 60% of the isocyanate groups in said polyisocyanate; B. a non-fluorinated cationic surfactant; and C. a non-fluorinated nonionic surfactant are disclosed.

Abstract: Stable aqueous poly(urea/urethane) polymers and dispersions are made that do not require the inclusion of chain extenders, curing agents or crosslinking agents.

Abstract: The invention relates to the use of an aqueous dispersion based on unsaturated amorphous polyesters based on particular Dicidol isomers and carboxylic acids.

Abstract: A novel method of preparing an aqueous dispersion of non-uniform polyurethane particles which comprises (a) preparing at least two isocyanate-terminated polyurethane prepolymers having different hydrophilicities; (b) preparing a uniform mixture of said prepolymers; and (c) dispersing the mixed prepolymers in an aqueous medium. The resulting dispersion of the prepolymers may optionally be chain extended. This method enables the preparation of core-shell particles as well as particles of other morphologies, including “raspberry”, interpenetrating network, “salt-and-pepper”, “ice-cream cone” and particles of gradient composition. Similarly, an aqueous dispersion of two different polyurethane polymers may be obtained by first preparing at least two different isocyanate-terminated polyurethane prepolymers, preparing a uniform mixture of such prepolymers and thereafter dispersing the mixture in an aqueous medium.

Abstract: An aqueous dispersion of polyurethane composites is made by forming a dispersion of urethane prepolymer or polymer and ketone functional molecule by dispersing them in an aqueous media and adding a hydrazine functional molecule. When the ketone functional molecule is derived from levulinic acid and epoxidized vegetable oil, the resulting urethane dispersion has enhanced coalescence with less need for coalescing aids.

Abstract: The present invention provides a composition containing a particulate solid, an organic medium and/or water and a compound of Formula (1) and salts thereof. Formula 1 wherein R is H or C1-30-optionally substituted hydrocarbyl; or R may be R?C—O (an acyl group where R? is hydrogen, alkyl, aryl or an optionally substituted alkyl or aryl); U is oxygen, —NH or —NR??; R?? is a C1-30-optionally substituted hydrocarbyl Y is C2-4-alkyleneoxy; T is the residue of substituted acetic acid or propionic acid; Z is the residue of a polyamine and/or polyimine; W is the residue of an oxide, urea or dibasic acid or anhydride thereof, or mixtures thereof; x is from 2 to 90; and v represents the maximum available number of amino and/or imino groups in Z which does not carry the group R—U—(Y)x-T-.

Abstract: The invention relates to new, aqueous, hydroxy-functional polyester dispersions containing urethane groups, to a process for preparing them, and to their use in combination with crosslinker resins for preparing paints, coatings and adhesives.

Abstract: An inkjet ink composition comprising water, and at least one water-dispersible polyurethane/urea polymer having at least a first soft segment formed from a polyol prepolymer and at least a second soft segment formed from a polyamine prepolymer, wherein the polyol prepolymer forms urethane bonds in the polyurethane/urea and the polyamine prepolymer forms urea bonds in the polyurethane/urea, and further wherein at least about 4% by weight of the combined soft segments is formed by polyamine prepolymers that form urea bonds in the polyurethane/urea polymer.

Abstract: It is the purpose of the present invention to provide a carbodiimide compound exhibiting superior water resistance and having good storage stability when it is applied to a waterborne coating composition, and a waterborne curable resin composition comprising thereof, and the carbodiimide compound of the present invention is represented by the following general formula (1): wherein X represents a bifunctional organic group containing at least one carbodiimide group, Y represents a structure in which a hydroxyl group is eliminated from a polyalkylene glycol monoalkyl ether, R0 represents hydrogen or an alkyl group having 2 or less carbon atoms, R1 represents an alkylene group having 4 or less carbon atoms, n represents 0 or 1 and m represents an integer of 11 or more, and wherein the repeating number of oxyalkylene group in the polyalkylene glycol monoalkyl ether is 6 to 40.

Abstract: Mixtures comprising (A) an isocyanurate and/or biuret of 1,6-diisocyanatohexane (HDI), (B) an isocyanurate of 1-isocyanato-3,5,5-trimethyl-5-isocyanatomethylcyclohexane (IPDI), (C) at least one emulsifier, and (D) if desired, solvent.

Abstract: A polyurethane dispersion is prepared by reacting a hydroxy-functional sulfonated unsaturated alkyd with an isocyanate in the presence of one or more vinyl monomers to form a blend containing the vinyl monomers and a sulfonated polyurethane polymer containing ethylenic groups. The blend is dispersed in water and the vinyl monomers are reacted by free radical polymerization.

Abstract: A polyturethane dispersion is provided. The polyurethane dispersion includes 10 to 60 percent by weight of a polymeric polyol, 5 to 40 percent by weight of at least one compound containing both isocyanate reactive groups and meth(acrylate) groups wherein said compound comprises 1 to 30 percent by weight of at least one hydroxyl alkyl acrylate, 1 to 15 percent by weight of at least one compound comprising both isocyanate reactive groups and carboxyl groups, and 10 to 50 percent by weight of at least one isocyanate functional group.

Abstract: Fluorinated polyurethanes and methods of making the same are provided. The fluorinated polyurethanes are useful for making polyurethane coating compositions for use in aerospace and other applications. The method includes a “split process” by which a hydroxypolyalkylenoxy derivative of a perfluoropolyoxyalkane is separately reacted with isocyanate to produce an isocyanate-terminated compound. The isocyanate-terminated compound is then reacted with an emulsifier to produce an acid- and hydroxyl-functional compound. The acid- and hydroxyl-functional compound is then reacted with isocyanate to form an acid-functional, isocyanate-terminated compound. The acid-functional, isocyanate-terminated compound is then reacted with at least one polyol to produce a higher molecular weight, acid- and hydroxyl-functional compound. Finally, the acid functional groups of the high molecular weight, acid- and hydroxyl-functional compound are neutralized to form a fluoro-urethane salt which is dispersed in water.