Abstract: The object of the present invention is to provide a thermosetting resin composition which can provide a cured material which is excellent in heat resistance, electrical properties, and flexibility, and has storage stability before curing, and in order to achieve the object, the present invention provide a thermosetting resin composition containing a polyurethane resin (A) which has the structure represented by the following general formula (1) and/or the general formula (2), and an epoxy resin (B). (In the chemical formulae, X represents a residue in which two phenolic hydroxyl groups are excluded from a phenol compound having two or more phenolic hydroxyl groups in the molecule.

Abstract: A polyurethane resin forming composition comprising: a main agent (A) containing an isocyanate group-terminated prepolymer obtained by reacting an isocyanate group-containing compound (a1) with a polyfunctional polyether polyol (b1) having a specific molecular weight distribution obtained by the use of a compound having a functional group number of 8 as an initiator; and a curing agent (B) containing a castor oil-modified polyol (b2) obtained from castor oil and/or a castor oil fatty acid and a trimethylolalkane. This polyurethane resin forming composition is applicable to the production of large-sized hollow-fiber membrane modules and can form cured resins excellent in adhesion property and heat resistance, low in the temperature dependence of hardness and extremely small in the amount of substance eluted into water when immersed in the water.

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.

Abstract: A polymer network, comprises an interfacially polymerized reaction product derived from a surfactant monomer.

Abstract: The UV-curable aqueous coating composition is characterized by using a UV-curable aqueous emulsion obtained by urethane reaction with a mixture including a poly-carbonate polyol or polyester polyol; an isocyanate compound; a urethane-reactive carboxylic acid; a UV-curable acrylic oligomer having 2 to 9 functional acrylate groups; a UV-curable acrylic monomer; and a urethane-reactive acrylate without an organic solvent. The aqueous composition provides good environmental acceptability and satisfactory film properties comparable to those of the prior oily UV-curable coating composition and, therefore, it is useful for coating various plastics.

Abstract: Derivatized solid epoxy resins of the formula (I), which are outstandingly suitable as impact modifiers; and compositions which include such derivatized solid epoxy resins and are outstandingly suitable as one-component heat-curable adhesives, and as structural foams which have a high impact resistance and high mechanical stability.

Abstract: Isocyanate mixtures comprising: (a) NCO prepolymers having an NCO content of 1.5 to 18 wt. %; and (b) 1 to 40 wt. % of monomeric 2,2?-diisocyanatodiphenylmethane, based on the isocyanate mixture; wherein the isocyanate mixture has a total NCO content of from 2 to 22 wt. %; polyisocyanate polyaddition products prepared therefrom; and methods of making the same.

Abstract: A polymeric material may be prepared by reacting a composition that includes polyol, polyisocyanate, and polyorganosiloxane having functional groups capable of reacting with the polyisocyanate, wherein the polymeric material has a surface which includes raised microdomains.

Abstract: Compositions for golf balls that include polyurethane linkages and that are crosslinked in the soft segments of the polymer backbone. In particular, the compositions of the invention, which are based on a polyurethane have improved crosslink density from the crosslinking between the soft, unsaturated segments of the polymer backbone. The curative blend includes at least one isocyanate-reactive component and a free radical initiator.

Abstract: The present invention encompasses the finding that certain treatments (e.g., surface modifications) to particulate materials can provide surprising and unexpected benefits and/or features to composites and/or compositions as described herein. In some embodiments, such benefits and/or features may render particular composites and/or compositions particularly useful in a certain therapeutic context (e.g, for repair of tibial plateau, femoral head, craniofacial, or lateral mandibular body defects). The present invention demonstrates that certain composites and/or compositions wherein the particular material is or comprises defatted bone have surprising and beneficial attributes.

Abstract: The present invention provides polythiol oligomer formed by the reaction of at least two or more different dienes and at least one or more dithiol wherein stoichiometric ratio of the sum of the number of equivalents of all polythiols to the sum of the number of equivalents of all dienes used to form the polythiol oligomer is greater than 1.0:1.0; and wherein the two or more different dienes comprise (a) at least one non-cyclic diene and at least one cyclic diene; or (b) at least one aromatic ring-containing diene and at least one non-aromatic cyclic diene; or (c) at least one non-aromatic monocyclic diene and at least one non-aromatic polycyclic diene; Sulfur-containing polyurethane of the present invention can be prepared by combining polyisocyanate, polyisothiocyanate, or mixture thereof; the polythiol oligomer described above; and active hydrogen-containing material.

Abstract: Golf ball compositions, and components formed therefrom, including trifunctional materials, such as trifunctional isocyanates, polyols, and amines, that have improved performance and durability characteristics, e.g., improved heat resistance, improved resiliency, and dimensional stability.

Abstract: Compositions for golf balls that include polyurea linkages and that are crosslinked in the soft segments of the polymer backbone. In particular, the compositions of the invention, which are based on a polyurea have improved crosslink density from the crosslinking between the soft, unsaturated segments of the polymer backbone. The curative blend includes at least one isocyanate-reactive component and a free radical initiator.

Abstract: The invention provides a conductivity control agent comprised of a polymeric material containing diphosphonium bis(sulfoarylcarbonyloxy) glycol salts as conductivity control agent. The conductivity control agents can be used with semi-conductive rolls, belts and other biasable members. The inclusion of the conductivity control agent in the polymeric or polyurethane elastomers extends the electrical life of the polymeric biasable member in low humidity environments. Additionally, the resistivity of the elastomeric polymer on the biasable member is controlled to a desirable value by adjusting the conductivity control agent level in the elastomers.

Abstract: The invention relates to radiation-curable, water-emulsifiable compounds containing isocyanate groups or capped isocyanate groups, and to their use.

Abstract: A water dilutable UV-curable polyurethane containing alkylene oxide groups, the polyurethane being obtained from components comprising at least: (i) 1 to 25 wt. % of at least one polyisocyanate; (ii) 0 to 80 wt. % of at least one hydroxyl functional compound containing alkylene oxide groups; (iii) 10 to 90 wt. % of at least one hydroxyl functional compound containing at least one polymerisable unsaturated (meth)acryloyl functional group per molecule; and (iv) 0 to 50 wt. % of at least one isocyanate-reactive compound not comprised by (ii) or (iii); wherein the sum of (i) to (iv) is 100%.

Abstract: The invention relates to radiation-curable, water-emulsifiable compounds containing isocyanate groups or capped isocyanate groups, and to their use.

Abstract: This present disclosure relates to a polyesterurethane and to coating compositions comprising the polyesterurethane as the crosslinkable component that are especially useful as automotive clearcoats that are very resistant to environmental etch damage. The polyesterurethane is the reaction product of reaction product of a hydroxyl functional branched polyester prepolymer with an isocyanate functional compound and the branched polyester prepolymer is the reaction product of one or more monofunctional carboxylic acid monomers, one or more hydroxyl functional monomers having a hydroxyl functionality of 3 to 10 and one or more polycarboxylic acid monomers.

Abstract: Golf ball compositions, and components formed therefrom, including trifunctional materials, such as trifunctional isocyanates, polyols, and amines, that have improved performance and durability characteristics, e.g., improved heat resistance, improved resiliency, and dimensional stability.

Abstract: Polymerizable monomers comprising at least one 1- or 2-propylene moiety and further comprising both aromatic moieties and additional aliphatic moieties and polymerizable mixtures, resins and thermoset products based on these monomers.

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

Abstract: A method of making a water soluble carbon nanostructure includes treating a fluorinated carbon nanostructure material with a polyol in the presence of a base. A water soluble carbon nanostructure comprises a fluorinated carbon nanostructure covalently bound to a polyol. Exemplary uses of water soluble carbon nanostructures include use in polymer composites, biosensors and drug delivery vehicles.

Abstract: A two-component polyurethane adhesive comprising a polyol component, which contains 2 to 30 wt. % of at least one polyester diol having a molecular weight greater than 1000 g/mole, 5 to 35 wt. % of at least one 3 to 14 functional polyol, 5 to 35 wt. % hydrophobic polyols, 2 to 65 wt. % further additives or auxiliary agents, wherein the sum is to results as 100%, and a cross-linking component made of polyisocyanates in a NCO/OH ratio of 0.9:1 to 1.5:1, wherein the cross-linked adhesive has a Tg greater than 50%.

Abstract: Disclosed is a polymerizable composition for o an optical material containing tolylene diisocyanate, hexamethylene diisocyanate, and one or more polythiol compounds selected from the group consisting of 4-mercaptomethyl-1,8-dimercapto-3,6-dithiaoctane,4,8-, 4,7- or 5,7-dimercaptomethyl-1,11-dimercapto-3,6,9-trithiaundecane, pentaerythritol tetrakismercaptoacetate, pentaerythritol tetrakismercaptopropionate, 2,5-bis(mercaptomethyl)-1,4-dithiane, bis(mercaptoethyl)sulfide, 1,1,3,3-tetrakis(mercaptomethylthio)propane, 4,6-bis(mercaptomethylthio)-1,3-dithiane and 2-(2,2-bis(mercaptomethylthio)ethyl)-1,3-dithietane.

Abstract: An aqueous highly cross-linked two-component polyurethane coating system is described with reduced hydrophilicity and improved resistance to chemicals which can be obtained by a) producing a binder component based on an aqueous solution or dispersion of low-molecular hydroxyfunctional and/or aminofunctional oligourethanes or polyurethanes and b) by subsequently reacting the binder component a) with a cross-linking component (H) in a ratio of 3:1 to 5:1, wherein water-dispersible polyisocyanates are used as the cross-linking component (H).

Abstract: The present invention relates to new, urethane-group-containing polyisocyanates based on isophorone diisocyanate and to their use.

Abstract: Golf ball compositions, and components formed therefrom, including trifunctional materials, such as trifunctional isocyanates, polyols, and amines, that have improved performance and durability characteristics, e.g., improved heat resistance, improved resiliency, and dimensional stability.

Abstract: The invention relates to a method for producing polyurethanes, based on the reaction of a polymer, which has hydroxyl groups, and a polyisocyanate. Furthermore, the present invention relates to an isocyanate-group-terminated polyaddition product produced according to this method, an adhesive which contains such an isocyanate-group-terminated polyaddition product, and the use of the polyaddition product as a curing component in adhesives. The polyurethanes according to the invention are obtained by reacting at least one polymer (A), which has at least two hydroxyl groups and which is obtained by the reaction of a polymer having at least two carboxyl and/or phenol groups of the formula (I) or (II) with a least one compound having at least one glycidyl group, with at least one polyisocyanate (B).

Abstract: The invention relates to hydrophilicized hyperbranched polyurethanes, to the preparation thereof and to the use thereof as dispersants, in particular for dispersing solids.

Abstract: [PROBLEMS] To provide a photosensitive resin composition which has excellent photosensitivity and gives a cured product reduced in warpage and excellent in flexing properties, adhesion, pencil hardness, solvent resistance, acid resistance, heat resistance, resistance to gold plating, etc. [MEANS FOR SOLVING PROBLEMS] A urethane resin (A) soluble in aqueous alkali solutions and curable with active energy rays which is obtained by reacting a diisocyanate compound (a) with a tetrabasic acid dianhydride (b) to obtain a compound (E), reacting the compound (E) with a hydroxylated compound (c) having an unsaturated group and optionally with a hydroxylated compound (d) other than the compound (c) to obtain a compound (F), and further reacting hydroxy groups of the compound (F) with a diisocyanate compound (e).

Abstract: The present invention relates to a powder coating composition comprising the reaction product of (a) a polyisocyanate with (b) the reaction product of (i) a polyol having at least three hydroxyl groups, one of which is less reactive than the other hydroxyl groups, and (ii) a (meth)acrylic acid or functional equivalent thereof, in which the equivalent ratio of (ii) to (i) is (n?1):n, where n is the hydroxyl functionality of the polyol, and the equivalent ratio of (a) to (b) is about 1:1.

Abstract: A process for the preparation of transparent polyurethanes is disclosed, comprising step a) of preparing a prepolymer by reaction of one or more aliphatic or cycloaliphatic isocyanates, having two or more isocyanate groups, and one or more polyhydroxy compounds, having two or more hydroxy groups and a molecular weight ranging from 150 to 2000, step b) of preparing a composition comprising one or more polyhydroxy compounds, having two or more hydroxy groups and a molecular weight ranging from 150 to 2000 and a functionality from 2 to 5, and a suitable catalyst, and step c) of reacting the so-obtained prepolymer with the composition of step b), wherein at the end of step a) the percentage of free isocyanate groups in the prepolymer is at least 15%. In the preferred disclosed process, the percentage of free isocyanate groups in the prepolymer is from 15 to 30%. Particularly, a composition for the preparation of transparent polyurethanes and polyurethanes obtainable by said process are disclosed.

Abstract: The invention is a composition comprising a) one or more isocyanate functional polyether based prepolymers containing one or more organic based polymers dispersed therein; b) one or more isocyanate functional polyester based prepolymers which is solid at 23° C.; c) one or more polyisocyanates having a nominal functionality of about 3 or greater; d) one or more conductive carbon blacks in an amount such that the composition has a dielectric constant of about 15 or less; and e) one or more catalysts for the reaction of isocyanate moieties with hydroxyl groups, wherein the composition demonstrates upon cure a modulus of 2.0 MPa or greater at 25° C. measured according to ASTM D4065; a dielectric constant of about 15 or less; a sag of an uncured sample of less than 2 mm, a press flow viscosity of about 20 to about 50 and a storage modulus of about 5.3×105 Pa or greater.

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. The disclosed poly(urea/urethane) dispersions can be used to make articles such as films and gloves with reduced chance of chemical and biological allergic reaction to skin, and which exhibit improved puncture and tear resistance when compared to such articles made with other materials.

Abstract: A transparent, non elastomeric, high index, impact resistant polythiourethane/urea material comprising the reaction product of: a) at least one (?, ?)-diiso(thio)cyanate cycloaliphatic or aromatic prepolymer having a number average molecular weight ranging from 100 to 3000 gmol?1, and b) at least one primary diamine, in an equivalent molar ratio amine function/iso(thio)cyanate function from 0.5 to 2, preferably from 0.90 to 1.10, wherein, said prepolymer and diamine are free from disulfide (—S—S—) linkage and at least one of the prepolymer or the diamine contains one or more S atoms in its chain.

Abstract: The present invention relates to novel, rapidly curing adhesives based on hydrophilic polyisocyanate prepolymers for use in surgery.

Abstract: A polyurethane resin is synthesized from a compound represented by the following Formula (1), a polymerizable composition includes the polyurethane resin, a planographic printing plate precursor includes a photosensitive layer including the composition, and a method produces a diol compound that can be used as a raw material of the polyurethane resin. In Formula (1), R1 and R2 each independently represent a single bond or an alkylene group optionally having a substituent, R3 represents a hydrogen atom or an alkyl group, R4 represents a hydrogen atom or an alkyl group, and A represents a divalent or higher linking group, provided that R1 and R2 are not both a single bond.

Abstract: The present invention provides a non-aqueous composition containing a particulate solid, an organic medium and a polyurethane dispersant having an essentially linear backbone and laterally attached solvent-solubilising side chains of a polyester, a polyether, a polyacrylate or a polyolefin including mixtures of such side chains.

Abstract: This invention relates to coating compositions and more particularly to highly productive coating compositions that quickly harden for sanding or buffing by incorporating therein a polyisocyanate adduct mixture into the coating composition as the crosslinking material. Such coatings are particularly useful for refinishing automobiles and trucks.

Abstract: Curable polyurethane, polyurea and polyurethane/polyurea compositions that are particularly useful as the outer layer and/or at least one inner layer of golf balls, cured compositions, golf balls comprising the cured composition, and methods of increasing the initial velocity of a golf ball using the curable polyurethane, polyurea and polyurethane/polyurea compositions are disclosed.

Abstract: A two component laminating adhesive is provided, wherein one component contains at least one isocyanate-functionalized compound and the other component contains one or more 1,4:3,6 dianhydrohexitols. A laminate may be formed by combining the two components to provide an adhesive and then using the adhesive to adhere one polymeric film or metallic foil to another polymeric film or metallic foil. The adhesive layer between the film and/or foil layers of the laminate is then cured. The adhesives exhibit faster green strength development and higher final bond strength as compared to conventional two component laminating adhesives not containing any 1,4:3,6 dianhydrohexitol as a coreactant.

Abstract: The present invention provides polyurethanes including a reaction product of components including: (a) about 1 equivalent of at least one polyisocyanate; (b) about 0.05 to about 0.9 equivalents of at least one branched polyol having 4 to 18 carbon atoms and at least 3 hydroxyl groups; and (c) about 0.1 to about 0.95 equivalents of at least one diol having 2 to 18 carbon atoms, wherein the reaction product components are essentially free of polyester polyol and polyether polyol and the reaction components are maintained at a temperature of at least about 100° C. for at least about 10 minutes, compositions, coatings and articles made therefrom and methods of making the same.

Abstract: The invention relates to high-reactivity polyurethane compositions. The invention further relates to low temperature curable polyurethane compositions which contain uretdione groups, particularly useful for polyurethane powder coating compositions and adhesive compositions, and to processes for preparing and using the same.

Abstract: Golf ball compositions, and components formed therefrom, including trifunctional materials, such as trifunctional isocyanates, polyols, and amines, that have improved performance and durability characteristics, e.g., improved heat resistance, improved resiliency, and dimensional stability.

Abstract: Provided is a composition including a reaction product of: (A) a reactive compound that includes a material having functional groups that are reactive with active hydrogens; (B) a thioether-functional, oligomeric polythiol prepared by reacting together: (1) a compound having at least two thiol functional groups; (2) a compound having triple bond functionality; and optionally (3) a compound having at least two double bonds; and, optionally, (C) a compound different from (B) containing active hydrogens. Coating compositions, articles of manufacture and related processes also are provided.

Abstract: A composite article and method for manufacturing the same are disclosed. In one embodiment, a polyurethane-polyurea layer is disposed on a substrate. The polyurethane-polyurea layer includes a reaction product of an isocyanate component having from about 10% to about 90% of a toluene diisocyanate, by weight of the isocyanate component, and an isocyanate-reactive component having amine-terminated and/or hydroxyl-terminated compounds. The polyurethane-polyurea layer provides blast and fragment protection from explosive devices as well as ballistic mitigation.

Abstract: The present invention relates to a sulfur-containing polyureaurethane and a method of preparing the polyureaurethane. The sulfur-containing polyureaurethane has a refractive index of at least 1.57, an Abbe number of at least 32 and a density of less than 1.3 grams/cm3 when cured. The sulfur-containing polyureaurethane is prepared by the reaction of: (a) a sulfur-containing, isocyanate functional polyurethane prepolymer derived from: (i) a polyisocyanate; and (ii) a polythiol oligomer produced by the reaction of at least two or more different dienes with one or more dithiols and in certain embodiments at least one trifunctional or higher-functional polythiol; and (b) an amine-containing curing agent.

Abstract: The invention provides conductivity control agent comprised of a polymeric material containing hydroxyalkylphosphonium (2-hydoxyethoxycarbonyl) arylsulfonate salts. The conductivity control agents can be used with semi-conductive rolls, belts and other biasable members. The inclusion of the conductivity control agent in the polymeric or polyurethane elastomers extends the electrical life of the polyurethane biasable member in low humidity environments. Additionally, the resistivity of the elastomeric polyurethane or polymer on the biasable member is controlled to a desirable value by adjusting the conductivity control agent level in the polymeric or polyurethane elastomers.

Abstract: The present invention relates to dialdimines of the formula (I) and emulsions and uses thereof. In particular, they can be used for the preparation of pasty curing agent or accelerator components for polymers having isocyanate groups, which lead to very high early strength, which have good flow behaviour on pumping and which can be formulated without VOC solvents, in particular without N-alkylpyrrolidones. These components can be homogeneously or inhomogeneously mixed in an outstanding manner, in particular in a laminar manner, with components which contain polyurethane polymers having isocyanate groups, the two-component compositions thus obtained curing rapidly, having extremely high early strength and remaining without annoying weaknesses.

Abstract: The invention relates to radiation-curable compounds, processes for the preparation thereof, the use thereof and coating materials comprising them and having high scratch resistance.