Abstract: The present invention relates to an improved process for the preparation of polyisocyanates with a biuret structure by continuous reaction of excess amounts of organic diisocyanates having exclusively aliphatically and/or cycloaliphatically bonded isocyanate groups with organic diamines having exclusively aliphatically and/or cycloaliphatically bonded primary amino groups at elevated temperatures by 2-stage addition of the isocyanate component.

Abstract: A polyureasulfone polymer having a high cohesive energy density and tensile strength, and method of making.

Abstract: A polyurethaneurea composition comprises a reaction product of at least one diisocyanate compound, a polymeric glycol, a poly(tetramethylene-co-ethyleneether) glycol comprising constituent units derived by copolymerizing tetrahydrofuran and ethylene oxide (EO) wherein the portion of the constituent units derived from ethylene oxide is present in the poly(tetramethylene-co-ethyleneether) glycol from greater than about 37 to about 70 mole percent, at least one diamine chain extender, and at least one chain terminator. The invention further relates to the use of blends of polymeric glycols and poly(tetramethylene-co-ethyleneether) glycols as the soft segment base in spandex compositions. The invention also relates to new polyurethane compositions comprising polymeric glycols and poly(tetramethylene-co-ethyleneether) glycols, and their use in spandex.

Abstract: Disclosed are sulfur-containing polyurea compositions and methods of using the compositions as sealants, particularly as low specific-gravity aerospace sealants.

Abstract: Disclosed are flexible polyamines, flexible amine-terminated polyformal adducts, flexible-amine-terminated polythioether adducts, compositions comprising flexible polyamines and isocyanate-terminated prepolymers, and compositions comprising flexible amine-terminated adducts and isocyanate-terminated prepolymers. Uses of the compositions as sealants, and particularly as aerospace sealants, are also disclosed.

Abstract: Materials based on low melt polyimide, polyurea, or polyurethane chemistry have been developed which exhibit self-healing properties. These high performance polymers can be utilized either by themselves or in combination with microcapsule technology to deliver self-healing properties to electrical wire insulation or in other high performance, thin wall technologies such as inflatable structures.

Abstract: Insensitive explosive compositions were prepared by reacting di-isocyanate and/or poly-isocyanate monomers with an explosive diamine monomer. Prior to a final cure, the compositions are extrudable. The di-isocyanate monomers tend to produce tough, rubbery materials while polyfunctional monomers (i.e. having more than two isocyanate groups) tend to form rigid products. The extrudable form of the composition may be used in a variety of applications including rock fracturing.

Abstract: The present invention relates to an etheramine mixture containing a monoether diamine and its method of production by alkyloxating an initiator with an alkylene oxide to produce a precursor polyol and reductively aminating the precursor polyol to form the etheramine mixture. The etheramine mixture may be used in variety of applications including as a curing agent for an epoxy resin or as a reactant in the production of polyurea materials.

Abstract: The invention relates to supramolecular ionomers. i.e. polymers having quadruple hydrogen bonding units (4H-units) and ionic groups or ionogenic groups within their structure. The supramolecular ionomers can be dispersed or solubilized in water at high solids contents while maintaining low viscosities, facilitating easy use and processing of the resulting aqueous formulations. The aqueous supramolecular ionomer compositions have excellent film-forming properties. Moreover, the polymer materials have good mechanical properties after drying, as they are not tacky, show high elasticity and low or no creep.

Abstract: The invention relates to a composition comprising at least one (poly)isocyanate and at least one surfactant comprising an amino acid and a mixture of compounds of formulae (I) and (II) wherein i and j independently represent 0 or 1; and R1 et R2 are identical or different and independently represent a hydrocarbonated chain. Said mixture of compounds of formulae (I) and (II) is characterized in that the molar ratio between compound (II) and compound (I) is higher than 1.

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: Hydroswellable, absorbable and non-absorbable, aliphatic, segmented polyurethanes and polyurethane-urea capable of swelling in the biological environment with associated increase in volume of at least 3 percent have more than one type of segments, including those derived from polyethylene glycol and the molecular chains are structurally tailored to allow the use of corresponding formulations and medical devices as carriers for bioactive agents, rheological modifiers of cyanoacrylate-based tissue adhesives, as protective devices for repairing defective or diseased components of articulating joints and their cartilage, and scaffolds for cartilage tissue engineering.

Abstract: This invention provides aromatic diimines where the diimines have imino groups with at least two carbon atoms, and either are in the form of one benzene ring having two imino groups on the ring, which imino groups are meta or para relative to each other, and in which each position ortho to an imino group bears a hydrocarbyl group, or are in the form of two benzene rings connected by an alkylene bridge and having one imino group on each ring, and in which each position ortho to an imino group bears a hydrocarbyl group.

Abstract: A polyurea-based curable coating for use with sports equipment, such as golf balls, golf shoes, golf clubs, footballs, billiard balls, baseballs, and the like, of which the coating may be cured over time, with heat, or a combination thereof, providing enhanced adhesion to equipment surfaces, improved abrasion resistance, and increased water resistance.

Abstract: The invention relates to the use of additived (poly)isocyanate compositions for producing coatings, especially paints or varnishes for car bodywork parts, said compositions having excellent impact-resistant properties, especially grit-resistant properties.

Abstract: This invention relates to solid elastomers which exhibit reduced dimensional shrinkage, and to a process for the production of these elastomers. These elastomers comprise the reaction product of a polyisocyanate component or prepolymer, with an isocyanate-reactive component comprising a high molecular weight component having an EO cap having less than 17% by wt., a chain extender and optionally, a crosslinker, in the presence of at least one catalysts. These solid elastomers are produced via the reaction injection molding process in a closed mold, preferably at an isocyanate index of about 70 to about 130.

Abstract: The present invention relates to a method for the production of addition compounds by converting an epoxide component (A) comprising at least two epoxide functions with at least one amine component (B) comprising a primary amine function in a continuous operation in a reactor, with the epoxide component (A) and the amine component (B) being continuously supplied in a molar ratio from 5:1 to 1:50 such that in the reactor a reaction mixture product develops comprising the epoxide component (A) and the amine component (B), as well as the conversion products from the epoxide component (A) and the amine component (B), which is drained from the reactor in the form of a product flow, with 10-100 mol % of the epoxy functions introduced into the reactor via the epoxide component (A) being converted in the reactor. The addition compounds yielded are preferably used as cross-linking and dispersing agents.

Abstract: A hydrophobic polymer made by incorporating alkyl chains pendant to the main backbone of the polymer which allows creating polymers with alkyl chains pendant to the polymer chain. Synthetic and naturally derived starting materials such as tallow diamine or ethoxylated tallow amine typically contain a mixture of chain lengths with varying degrees of branching and unsaturation. The unsaturated positions in the final polymer can be made to cross-link in the presence of a catalyst to increase the hardness and reduce the effect of heat and solvent borne exposures. The present invention can be a replacement to current monomers or additive to common polymers to replace or modify the current polymers to alter the properties of a polymer adding the known benefits of fatty compounds to common polymers such as hydrophobicity, or in altering the HLB (hydrophilic lipophilic balance) of polymeric surfactants.

Abstract: The invention relates to novel formamides derived from diamines or triamines. As compared to amines, these formamide-terminated compositions have a decelerated reactivity to polyisocyanates, that is, prepolymers.

Abstract: An automotive vehicle having at least one vehicular exterior surface formed from at least a portion of an exterior pickup box. The vehicular exterior surface includes a structural substrate having an outwardly oriented surface and at least one polymeric layer in overlying relationship to at least a portion of the outwardly oriented surface of the structural substrate. The polymeric layer contains at least one polymeric material formed from the reaction of at least one isocyanate with at least one resin component, the resin component comprising at least one catalyst free aliphatic amine.

Abstract: A liquid rheological aid comprising at least one urea derivative preparable which is the reaction product of at least one compound having at least one isocyanate group and at least one co-reactant selected horn primary and secondary monoamines and polyamines and water reacted in the presence of organobismuth catalyst, process for the preparation thereof and its use.

Abstract: The present invention includes compositions and methods for synthesis of composite materials involving gas phase plasma polymerization to covalently plasma graft an organic molecule onto particles; covalently binding an organic monomer to the functionalized particles; and, polymerizing the organic monomers into hybrid polymer composite materials.

Abstract: This invention provides articles made by reaction injection molding and spray coatings, and processes for forming such articles and coatings. The coatings and articles are polyureas or polyurea-urethanes. The ingredients used to form the coatings and articles comprise at least (A) an aromatic polyisocyanate and (B) a mixture formed from components comprised of (i) at least one polyol and/or at least one polyetheramine, (ii) an aromatic primary diamine, and (iii) an aliphatic secondary diamine which has about twelve to about forty carbon atoms and in which the having amino hydrocarbyl groups are secondary or tertiary hydrocarbyl groups.

Abstract: The invention relates to the use of 2,5-diisocyanato-1,4:3,6-dianhydro-2,5-dideoxy-D-manitol (I), 2,5-diisocyanato-1,4:3,6-dianhydro-2,5-dideoxy-D-glucitol (II), and/or 2,5-diisocyanato-1,4:3,6-dianhydro-2,5-dideoxy-L-iditol (III).

Abstract: The present invention is directed to a coating composition comprising polyurea formed from a reaction mixture comprising: (a) a first component comprising isocyanate, wherein said isocyanate comprises an isocyanate functional prepolymer formed from a reaction mixture comprising isocyanate and a material comprising a phosphorus-containing polyol; and (b) a second component comprising an amine.

Abstract: Polyisocyanate composition comprising a polyisocyanate, a lithium halide and a urea compound, wherein the number of moles of lithium halide per isocyanate equivalent ranges of from 0.0001-0.04 and the number of urea+biuret equivalents per isocyanate equivalent of from 0.0001-0.4. Process for making such composition. Curable composition comprising this polyisocyanate composition and an epoxy resin. Polyisocyanurate made from this curable composition.

Abstract: Reaction products prepared from reactants including: (a) at least one compound of structural Formula (I): wherein R1 is selected from aryl and heteroaryl; X is selected from a direct bond, —O—, —S—, —NH—, alkylene, cycloalkylene, heterocyclylene, arylene, alkarylene, and heteroarylene; Y is a substituted alkylene group having at least two contiguous carbon atoms and which can be interrupted by one or more —O—, —S—, or —NH— moieties as defined herein, wherein the alkylene group of Y has substituents independently selected from —OH, —NH2, —SH, cycloalkyl, heterocyclyl, aryl, and heteroaryl, or two hydrogen atoms on the same carbon atom of Y are replaced by carbonyl, and wherein at least two substituents of Y are each independently selected from —OH, —NH2, and —SH, as defined herein; and (b) at least one isocyanate functional material.

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: The present invention provides a method of forming a polymer, the method comprising reacting a first species comprising at least one isocyanate group with a second species comprising at least one aziridine group to form the polymer.

Abstract: The present invention includes compositions and methods for synthesis of composite materials involving gas phase plasma polymerization to covalently plasma graft an organic molecule onto particles; covalently binding an organic monomer to the functionalized particles; and, polymerizing the organic monomers into hybrid polymer composite materials.

Abstract: A heat curable epoxy composition comprising the contact product of an epoxy resin, an epoxy curing agent and an accelerator for the epoxy curing agent, the curing agent or the accelerator comprising a urea compound which is the reaction product of an isocyanate and an alkylated polyalkylenepolyamine having one primary or secondary amine and at least two tertiary amines of the general formula: where R1, R2, R3, R4 and R5 independently represent hydrogen, methyl or ethyl, n and m independently are integers from 1 to 6 and; X is an integer from 1 to 10.

Abstract: A polyureasulfone polymer having a high cohesive energy density and tensile strength, and method of making.

Abstract: Mixed polycycloaliphatic amines (MPCA) and alkylates thereof (MPCA alkylates), methods for making mixed polycycloaliphatic MPCA amines and MPCA alkylates thereof, as well as polymeric compositions, such as spray-applied polyurea coating compositions, comprising said mixed amines MPCA and MPCA alkylates thereof are described herein. In one embodiment, the polymeric composition comprises an isocyanate component, and a resin component comprising an organic compound having the following Formula I: where R1, R2 and R3 are each independently selected from a hydrogen atom, an alkyl group comprising from 1 to 20 carbon atoms, an aryl group comprising from 3 to 12 carbon atoms, an aralkyl group comprising from 3 to 12 carbon atoms and combinations thereof, provided that there is at least one alkyl group within Formula I, and X is a methylene bridged polycycloaliphatic amine (MPCA).

Abstract: Novel aqueous polyurethane dispersions and adhesive films formed therefrom are provided. The aqueous polyurethane dispersions are provided in solvent-free systems of a prepolymer comprising at least one polyether or polyester polyol, a mixture of MDI isomers, and a diol. The adhesive films from such dispersions can be heat-activated for bonding, lamination, and adhesion of textile fabrics, including stretch fabrics.

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 invention relates to a biodegradable polymer comprising a plurality of releasable bioactive moieties, the releasable bioactive moieties being pendant from and covalently bonded to the biodegradable polymer backbone, wherein the biodegradable polymer backbone is formed from monomeric units that are each coupled via a biodegradable moiety, and wherein the bioactive moieties are capable of being released at a rate equal to or faster than the rate of biodegradation of the polymer backbone.

Abstract: Golf equipment having improved cut and shear resistance that includes a polyurea composition, preferably saturated and/or water resistant, formed of a polyurea prepolymer and a curing agent, wherein the polyurea prepolymer includes an isocyanate and an amine-terminated compound, and wherein the curing agent includes a hydroxy-terminated curing agent, amine-terminated curing agent, or a mixture thereof.

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: (Meth)acrylate/aspartate amine curatives comprising the reaction product of a polyamine, a dialkyl maleate and/or dialkyl fumarate, and a (meth)acrylate are disclosed, as are methods for making the same. A polyurea comprising the reaction product of the acrylate/aspartate amine curative and isocyanate is also disclosed, as are coatings comprising such a polyurea and substrates coated with the same.

Abstract: A process for preparing a diaminoacetonitrile which includes reacting by contacting an amine comprising two primary amine groups with a cyanohydrin. The diaminoacetonitrile produced may subsequently be used in the production of polymers and/or as a curing agent for epoxy resins.

Abstract: A metallic substrate coated at least in part with a multilayer coating composite, comprising at least one of an electrocoat layer, a base coat layer, and a clearcoat layer; and a polyurea formed from a reaction mixture comprising isocyanate and a (meth)acrylated amine reaction product of a monoamine and a poly(meth)acrylate is disclosed. The ratio of equivalents of isocyanate groups to equivalents of amine groups in the polyurea is greater than 1 and the isocyanate functional component and the (meth)acrylated amine functional component can be applied to the substrate at a volume mixing ratio of 1:1. A building comprising a building component coated at least in part with such a polyurea is also disclosed, as is a substrate coated at least in part with such a polyurea, wherein the ratio of equivalents or isocyanate to equivalents of amine groups is greater than 1.3:1.

Abstract: Coating compositions comprising a polyurea formed from a reaction mixture comprising isocyanate and a (meth)acrylated amine are disclosed. The (meth)acrylated amine is the reaction product of a polyamine and a mono(meth)acrylate; the ratio of equivalents of isocyanate groups to equivalents of amine groups is greater than 1 and the isocyanate and the (meth)acrylated amine reaction product can be applied to a substrate at a volume mixing ratio of 1:1. Methods for using the coatings, and substrates coated therewith are also disclosed.

Abstract: The reaction product of a triamine and a dialkyl maleate and/or dialkyl fumarate, wherein the reaction product has a viscosity of less than 2000 cPs is disclosed. Polyurea coatings comprising this reaction product are also disclosed, as are substrates coated with the same.

Abstract: Coating compositions comprising a polyurea formed from a reaction mixture comprising isocyanate and an acrylated amine are disclosed. The (meth)acrylated amine is the reaction product of a polyamine and a (meth)acrylate; when the (meth)acrylate comprises a poly(meth)acrylate, the reaction product further comprises a mono(meth)acrylate and/or a monoamine. Methods for using the coatings, and substrates coated therewith, are also disclosed.

Abstract: Formulations are provided comprising, at least two parts, such as, a first part comprising at least one polyamine and at least one polyol, the first part being substantially free of polyetheramine; and a second part comprising at least one polyisocyanate, or a first part comprising at least one polyamine, at least one polyol and a catalyst; and a second part comprising at least one polyisocyanate. Also, provided are compositions, such as coating and paint compositions, and methods of preparing and using compositions, including coating and paint compositions and methods.

Abstract: This invention provides chain extender compositions. These compositions comprise (i) an aromatic primary diamine, and (ii) a component selected from the group consisting of: (a) an aliphatic secondary diamine; (b) an aliphatic primary diamine; (c) an aliphatic secondary diamine and an aliphatic primary diamine; (d) a diimine; and (e) a combination of any two or more of (a) through (d). When (ii) is (a), (a) has amino hydrocarbyl groups which are secondary or tertiary hydrocarbyl groups; when (ii) is (d), and (d) is an aromatic diimine, each imino hydrocarbylidene group has at least two carbon atoms. Processes for producing polyurethanes, polyureas, and polyurea-urethanes are also provided.

Abstract: A polyurea-based curable coating for use with sports equipment, such as golf balls, golf shoes, golf clubs, footballs, billiard balls, baseballs, and the like, of which the coating may be cured over time, with heat, or a combination thereof, providing enhanced adhesion to equipment surfaces, improved abrasion resistance, and increased water resistance.

Abstract: Aromatic polyurea fiber with improved modulus, strength, toughness and environmental resistance and method of synthesis.

Abstract: To provide a process for producing a hydroxyalkyltriethylenediamine or hydroxytriethylenediamine simply and in a small number of steps without requiring multi-stage reaction steps; a novel catalyst composition whereby a polyurethane product can be obtained with good productivity and good moldability without bringing about odor problems or environmental problems; and a process for producing a polyurethane resin using the catalyst composition. For example, a hydroxyalkyltriethylenediamine or hydroxytriethylenediamine is produced by subjecting a mono-substituted dihydroxyalkylpiperazine and/or a di-substituted hydroxyalkylpiperazine to an intramolecular dehydration condensation reaction in the presence of an acid catalyst.

Abstract: Functionalized particles having fully formed shells and cores comprising a polyurethane or polyurea matrix obtained by interfacial addition polymerisation of (i) at least one polyisocyanate derivative selected from the group of partially blocked polyisocyanates and polyisocyanates partially modified with fiber reactive groups and (ii) at least one polyamine or polyhydric alcohol, said functionalized particles being capable to chemically or physically bind to a substrate.