Abstract: Coating compositions include (a) an isocyanate functional prepolymer derived from a polyisocyanate and a tricyclodecane-containing polyester polyol; and (b) a blocked amine curing agent.

Abstract: Embodiments of the invention generally relate to polyurethanes having resistance to hydrocarbons and articles made therefrom. In one embodiment, a hydrocarbon resistant polycarbonate elastomer containing article is provided. The hydrocarbon resistant polycarbonate elastomer is prepared from a reaction mixture comprising (a) one or more difunctional polycarbonate polyols comprising repeating units from one or more alkane diols having 2 to 20 carbon atoms with a number average molecular weight between 500 and 3,000, and (b) one or more organic polyisocyanate components, wherein the article is selected from filter caps, conduits, containers, seals, mechanical belts, liners, coatings, rollers and machine parts.

Abstract: A non-halogen flame retardant thermo-plastic polyurethane composition containing: a) an organic non-halogenated flame retardant package which contains non-reacted components, i) an organic phosphate compound which is melamine free, ii) a mixture of an organic phosphate in combination with an organic phosphoric acid; and iii) a zinc oxide, b) a stabilizer, c) optionally inorganic flame retardant components, and d) optionally non-flame retardant additives, resulting in a TPU composition with excellent tensile strength and improved high flame performance and low smoke properties.

Abstract: The present invention relates to a molding composition, molded parts obtainable therefrom as well as the use of the molding composition for the manufacturing of molded parts used in the automotive industry, as well as for cables, pipes, tubes, corrugated pipes, fuel pipes, air pipes, fuel hoses, break hoses, air hoses, hydraulic hoses, pneumatic hoses, pressure hoses, and connection assemblies.

Abstract: An implantable medical device is disclosed. The medical device includes a substrate and a polymer composition including ascorbic acid, the polymer composition disposed on at least a portion of the substrate.

Abstract: A resin composition for a flexible printed circuit board that can attain high adhesiveness and solder reflow resistance even if a base film having low dielectric properties is used, and that attains excellent electrical properties. The resin comprises a fluororesin and an isocyanate compound, wherein the fluororesin has a content of 1 to 50% by mass, and a hydroxyl equivalent of 300 to 5500 g/equivalent.

Abstract: Simple manufacture for a tire in which color does not come off during running. A tire case 17 that is a carcass member of a tire 10 is injection formed from a colored first thermoplastic material containing colorant. A tire in which color does not come off during running can be manufactured simply.

Abstract: The structural health of a structure such as an aircraft is monitored by spraying a paint formulation containing a loading of carbon nanoparticles to provide a paint layer forming part of a paint system. The paint layer forms a smart skin whose electrical properties may be monitored to determine structural health.

Abstract: The invention aims to allow a curable composition to have an extended working phase followed by a short time period in which said compound becomes fully cured. This is achieved by the provision of a curable composition comprising the following components: a) at least one polyether and/or at least one polyacrylic acid ester with at least one reactive silyl group as an end-group; b) at least one organotin compound; and c) at least one compound that does not contain any tin or silicon atoms and that has at least two functional groups. Said groups are selected from the following: carboxy, carbonyl or hydroxy groups, or nitrogen atoms that are part of a ring system with aromatic character. In addition, the invention relates to a method for producing such a composition, and to the use thereof as an adhesive, a sealant or as a coating material.

Abstract: The present invention relates to an ethylenically unsaturated hydroxyl-terminated polyurethane (I) obtained by reacting (i) at least one ethylenically unsaturated compound (A) containing at least two reactive groups capable of reacting with isocyanate groups and at least one ethylenically unsaturated group; with (ii) at least one saturated alcohol component (B) comprising: (iia) at least one saturated hydroxylated compound (B1) containing hydrophilic groups capable of rendering the polyurethane dispersible in aqueous medium either directly or after the reaction with a neutralizing agent to provide a salt, and, optionally, at least one compound (B2) that is selected from saturated polyester polyols (B21) and/or from saturated polycarbonate polyols (B22); and/or (iib) at least one compound (B3) that is selected from saturated polyester polyols (B31) containing compound (B1) moieties and/or from saturated polycarbonate polyols (B32) containing compound (B1) moieties; and, optionally, one or more of compounds (B1

Abstract: An encapsulated particle includes a core particle, a polyurethane layer, and a wax. The polyurethane layer is disposed about the core particle and the wax is disposed about the polyurethane layer. The polyurethane layer includes the reaction product of an isocyanate and a polyol component. The polyol component includes a catalytic polyol derived from an aromatic amine-based initiator and a polyether polyol that is different from the catalytic polyol in a weight ratio of from about 1:2 to about 10:1. A method of encapsulating the core particle includes the steps of providing the core particle, the isocyanate, the polyol component, and the wax. The method also includes the steps of mixing and reacting the isocyanate and the polyol component to form a polyurethane, encapsulating the core particle with the polyurethane layer which comprises the polyurethane, and encapsulating the polyurethane layer with the wax.

Abstract: A polyurethane prepolymer comprising the reaction product of a reactant formulation comprising a polyol entirely derived from a natural oil; a natural oil-petroleum blend polyol; an isocyanate, at least one catalyst, drying agent, and plasticizer, wherein the prepolymer has a bio-based content of from about 15% to about 75% by weight. The prepolymer may be used in adhesive, or sealant compositions.

Abstract: An aqueous crosslinkable coating composition that includes a PU polymer and a vinyl polymer bearing carbonyl groups (i.e., a carbonyl-functional vinyl polymer) and/or latex polymer. The composition also preferably includes carbonyl-reactive amine and/or hydrazine functional groups.

Abstract: An adhesive containing polyisocyanate and a polyol containing at least one dimer fatty acid and/or dimer fatty diol. The adhesive is particularly suitable for use on wood.

Abstract: A polymeric photoinitiator, most suitably a polyurethane photoinitiator, is obtained by step-growth co-polymerization of at least one monomer (A) with at least one monomer (B). Monomer (A) includes a photoinitiator moiety, while monomer (B) is a monomer reactive with monomer (A) to form a polymer. A method produces the polymeric photoinitiator, a method cross-links the polymeric photoinitiator, and the polymeric photoinitiator is used as a photoinitiator of radical polymerization.

Abstract: Aqueous polyurethane dispersions are made from urethane prepolymers comprising one or more polyhydroxy compounds from ketone functional molecules derived from an epoxidized natural oil. Addition of a hydrazine functional moiety to the prepolymer dispersion can further provide a crosslinking mechanism resulting in the formation of azomethine linkages in the resulting polyurethane during drying. When the ketone functional molecule is derived from levulinic acid and epoxidized vegetable oil, the resulting urethane dispersion can also be converted into a hybrid polyurethane-vinyl dispersion by adding and polymerizing one or more vinyl monomers in the polyurethane prepolymer or polyurethane dispersion.

Abstract: The present invention provides for an ethylenically unsaturated hydroxyl-terminated polyurethane (I) obtained by reacting (i) at least one ethylenically unsaturated compound (A) containing at least two reactive groups capable of reacting with isocyanate groups and at least one ethylenically unsaturated group; with (ii) at least one saturated alcohol component (B) comprising: (iia) at least one saturated hydroxylated compound (B1) containing hydrophilic groups capable of rendering the polyurethane dispersible in aqueous medium either directly or after the reaction with a neutralizing agent to provide a salt, and at least one compound (B2) that is selected from saturated polyester polyols (B21) and/or from saturated polycarbonate polyols (B22); and/or (iib) at least one compound (B3) that is selected from saturated polyester polyols (B31) containing compound (B1) moieties and/or from saturated polycarbonate polyols (B32) containing compound (B1) moieties; and, optionally, one or more of compounds (B1) and/or (B

Abstract: An outdoor urethane adhesive including a urethane resin obtained by reaction of an isocyanate compound with a polyol having an ester bond. The isocyanate compound contains at least one of an aliphatic isocyanate or an alicyclic isocyanate. The polyol contains both a polyester polyol and an acrylic polyol. The urethane adhesive is excellent in initial adhesion, cured adhesion and flexibility of the cured adhesive film. When the urethane adhesive further includes a hydroxyphenyltriazine-based compound the adhesive has little change in color difference and has improved weatherability. The outdoor adhesive can be used to form a solar battery backsheet. The solar battery backsheet can be used as part of a solar battery module.

Abstract: An inkjet ink composition includes: from 0.25 to 6 weight percent colorant; from 7 to 40 weight percent solvent; from 0.05 to 5 weight percent surfactant; and polyurethane binder in an amount of at least 0.5 weight percent of the inkjet ink composition but not more than twice the weight percent of the colorant. The polyurethane binder has a molecular weight from 32 K to 50 K and an acid number from 40 to 45. The polyurethane binder includes polyether polyol, aliphatic isocyanate and an acid group and does not include chain extenders.

Abstract: Footwear providing a near-barefoot experience. This footwear consists of socks whose soles are coated with an elastomeric material that uses body heat and weight to provide the “feel” of a second skin.

Abstract: A mechanochromic coating composition is disclosed comprising a polymeric network incorporating a plurality of ring-opening mechanophores each bound at two positions thereof within said polymeric network.

Abstract: The present invention relates to a polyurethane with improved abrasion resistance. The reaction components comprise a certain content of polyisoprene. The polyurethane presented in this invention possesses improved abrasion resistance and good surface quality.

Abstract: The present invention encompasses polyurethane adhesive compositions comprising aliphatic polycarbonate chains. In one aspect, the present invention encompasses polyurethane adhesives derived from aliphatic polycarbonate polyols and polyisocyanates wherein the polyol chains contain a primary repeating unit having a structure: In another aspect, the invention provides articles comprising the inventive polyurethane compositions as well as methods of making such compositions.

Abstract: The invention relates to novel molded polyurethane elastomer parts made of diphenylmethane diisocyanate-based NCO-functional prepolymers and diphenylmethandiamine blocked with metal salts and to a method for producing same.

Abstract: An ink composition includes a polyurethane resin and at least one selected from a metal compound and hollow resin particles as a colorant, and in the ink composition described above, the polyurethane resin is a polycarbonate-based or a polyether-based anionic polyurethane resin.

Abstract: Disclosed is an aqueous polyurethane resin dispersion which comprises a polyurethane resin which is obtained by reacting (A) a polyurethane prepolymer obtained by reacting (a) a polycarbonate polyol having an alicyclic structure in the main chain, (b) an acidic group-containing polyol compound and (d) a polyisocyanate, and (B) a chain-elongating agent, being dispersed in an aqueous medium, a carboxylic acid group content of the above-mentioned (A) polyurethane prepolymer based on a solid component of (A) the polyurethane prepolymer is 2.0 to 13.0% by weight, and a number of a hydroxyl equivalent of a mixture of the above-mentioned (a) polycarbonate polyol having an alicyclic structure in the main chain, the above-mentioned (b) acidic group-containing polyol compound, and, if necessary, (c) a polyol other than (a) and (b) is 70 to 270.

Abstract: There is provided an ink composition for forming a light shielding film in an organic semiconductor device which is capable of stably forming a fine pattern when forming a finely patterned light shielding film by the letterpress reverse printing method or microcontact printing method, which can be baked at a temperature equal to or less than the substrate heatproof temperature, and which is also capable of providing light shielding property and mechanical strength, the ink composition for forming a light shielding film in an organic semiconductor device which is an ink composition for forming a light shielding film in an organic semiconductor device comprising a black pigment; a resin component; a surface energy modifier; a quick-drying organic solvent; a slow-drying organic solvent; and a mold releasing agent, wherein the resin component comprises a solid resin that is in a solid state at 200° C. or less and a liquid resin that is in a liquid state at 10 to 50° C. at a ratio (solid resin/liquid resin) of 0.

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: A coating composition for pre-treating a substrate prior to inkjet printing thereon, and an inkjet receiving medium comprising a substrate and having a topmost layer coated thereon, where the coating composition and topmost layer comprise one or more aqueous-soluble salts of multivalent metal cations, a cationic polyelectrolyte comprising amidine moieties, and one or more second polymer which is distinct from the cationic polyelectrolyte and which is selected from the group consisting of a polyamide-epichlorohydrin, a polyamine solution polymer, and a waterborne or water-dispersible polyurethane. The topmost layer is advantageously at a solid content of from 0.1 to 5 g/m2, and comprises from 30-90 wt % of the one or more aqueous soluble salts of multivalent metal cations, at least 0.01 g/m2 of the cationic polyelectrolyte comprising amidine moieties, and at least 0.005 g/m2 of the second polymer which is distinct from the cationic polyelectrolyte comprising amidine moieties.

Abstract: The present invention relates to a polyurethane-based binder using isocyanates containing uretonimine and/or carbodiimide groups for producing cores and casting molds, to a mold material mixture containing the binder, and to a method using the binder for producing casting molds.

Abstract: The invention relates to a fibrous material for heat-sealable medical packaging comprising a nonwoven fibrous single-layer substrate or a paper impregnated to the core by at least one polyurethane, at least one tackifier and optionally at least one functional additive. It also relates to the process for manufacturing this fibrous material, to the sizing composition used in the manufacturing process and to the medical packaging comprising such a fibrous packaging material.

Abstract: New associative polyurethanes which are manufactured with cardanol which is potentially oxyethylated. Use of these polyurethanes as thickening agents for aqueous formulations.

Abstract: The present disclosure relates generally to optical media precursors and/or encapsulants, the optical media and encapsulants configurable for use in lighting devices. Specifically, the optical media and/or encapsulant material comprises at least one silsesquioxane moiety and at least one transition metal and/or lanthanide metal. Methods of reducing degradation of the optical media and/or encapsulant from heat and/or optical flux exposure using same are disclosed. Methods of increasing refractive index of an optical media and/or encapsulant using silsesquioxane and transition metal and/or lanthanide metal are disclosed.

Abstract: Polyurethane gels are produced by converting a polyurethane system comprising (A1) one or more polyether alcohols of hydroxyl number 28 to 90 mg KOH/g produced primarily from propylene oxide added to a starter molecule of hydroxyl functionality between 2 and 4, (A2) one or more polyether alcohols of hydroxyl number 240 to 850 mg KOH/g produced primarily from propylene oxide added to a starter molecule of hydroxyl functionality between 2 and 4, (b1) one or more diisocyanates, (B2) one or more triisocyanates preferably produced by trimerisizing diisocyanates, (A3) at least one additive material fulfilling a prescribed function, and (A4) at least one additive material having a particle size in the range from 1 to 650 nm in the presence of one or more catalysts (A5) for forming polyurethane.

Abstract: Provided is a slush molding material which exhibits excellent low-temperature meltability and heat resistance and which can yield a molded product having excellent tensile strength and elongation. The present invention is urethane resin particles (D1) comprising a urethane or urethane-urea resin (U1) that has residues (j) bonded thereto covalently, said residues (j) being residues derived from an at least trivalent aromatic polycarboxylic acid by removing hydroxyl groups, or urethane resin particles (D2) comprising a urethane resin composition (S2) which comprises both a urethane or urethane-urea resin (U2) and a compound (E) that has a residue (j) derived from an at least trivalent aromatic polycarboxylic acid by removing hydroxyl groups, said compound (E) being represented by general formula (1), wherein the residues (j) are linked respectively to urethane or urea groups (u) of the resin (U1) or (U2) by hydrogen bonds.

Abstract: Polymer obtainable by polycondensation or polyadduct formation from monomeric compounds, wherein accompanying use is made as monomeric compound of 2-isopropyl-2-alkyl-1,3-propanediols of the formula I or alkoxylated derivatives thereof.

Abstract: The invention relates to a powder resin with amp from 60 to 110° C., and a particle size from 10 to 250 ?m, which comprises the reaction product of a reactive composition comprising: a) an isocyanate component comprising a polyisocyanate with functionality of at least 2, b) an alcoholic component, comprising: b1) at least one polyol with OH functionality from 2 to 4, b2) a monoalcohol component comprising: b2.1) a monoalcohol, bearing an ethylenic unsaturation b2.2) a saturated alcohol selected from the group of fatty alcohols, b2.3) optionally, an additional saturated monoalcohol from non fatty monoalcohols the molar ratios of OH functional groups, of the said alcoholic components b2.2) (possibly b2.3)) and b2.1) being defined so that the OH molar ratio of b2.2)/b2.1) or of [b2.2)+b2.3)]/b2.1) ranges from higher than 0.

Abstract: The invention relates to prepregs based on a storage-stable reactive or highly reactive polyurethane composition for producing composite components having visible carbon fibre fabrics or scrims.

Abstract: The present invention provides coating compositions with excellent curing performance. Curing can occur very rapidly for excellent cycle time, yet with minimal (if any) foaming. A preferred catalyst system helps to provide excellent initial and follow through cure through the entirety of the coating thickness, even with respect to in-mold coating (IMC) applications. Preferred aspects of the invention provide a composition having zero, or nearly zero, emissions of volatile organic compounds (VOC) when applied and cured.

Abstract: A polyamide-imide resin insulating paint according to the present invention includes polyamide-imide resin containing no halogen element in its molecular chain which is dissolved in a polar solvent, in which the polyamide-imide resin contains an aromatic diisocyanate component (A) having three or more benzene rings or an aromatic diamine component (E) having three or more benzene rings in a monomer, and a ratio M/N between a molecular weight (M) of the polyamide-imide resin per repeat unit and an average number (N) of amide groups and imide groups is equal to or more than 200.

Abstract: A polyurethane resin-bonded pigment may exhibit excellent image density, dispersibility, storage stability, and resolubility, and may form an ink film that exhibits marker resistance and rubfastness. The polyurethane resin-bonded pigment is produced by bringing (I) a pigment having a surface acidic group into contact with (II) a basic compound having two or more amino groups selected from a primary amino group and a secondary amino group in its molecule in an aqueous medium to obtain a pigment having an unreacted surface amino group, and bringing the pigment having an unreacted surface amino group into contact with (III) a water-dispersible polyurethane resin having an isocyanate end group and (IV) a polyisocyanate compound to bond the pigment having an unreacted surface amino group and the water-dispersible polyurethane resin (III) having an isocyanate end group via a urea bond.

Abstract: Carbon nanotube-reinforced composites are produced by incorporating up to 0.7% by weight of carbon nanotubes into a liquid polymeric material a polymeric material. The viscosity of the carbon nanotube-containing liquid polymeric is sufficiently low that it can be used in vacuum infusion and pultrusion processes to produce large articles such as wind turbine blades.

Abstract: Polyurethanes containing at least one bisphosphonate group, as well as related compositions, articles, and methods, are disclosed.

Abstract: A two-part polyurethane composition including a first pack and a second pack. The first pack includes at least one hyperbranched copolymer having OH groups and which is prepared from at least one or more monomer(s) having at least two unsaturated C—C bonds and one or more monomer(s) having one unsaturated C—C bond and one hydroxyl group in the presence of a cobalt (II) complex. The second pack comprises at least one polyisocyanate. Disclosed is a two-part polyurethane composition which has low viscosity, long pot life, fast cure, excellent weathering and UV resistance and which is suitable for use as a coating.

Abstract: The invention relates to a composition which comprises at least one polyol component having a hydroxyl group content of 9% to 15% by weight relative to the total weight of the polyol component, and at least one isocyanate component having a free isocyanate group content of 10% to 15% by weight relative to the total weight of the isocyanate component. The polyol component comprises at least one polyol which is selected from the group of the polyether polyols, polyester polyols, and polyether polyester polyols. The isocyanate component comprises at least one di- or polyisocyanate-terminated polylactone prepolymer. The composition can be used as erosion-resistant coating material.

Abstract: A non-aqueous pigment ink comprising a pigment, a non-aqueous solvent, and non-aqueous resin dispersion microparticles having a pigment dispersion capability, wherein the non-aqueous resin dispersion microparticles are an acrylic polymer comprising an alkyl (meth)acrylate unit having an alkyl group of 12 or more carbon atoms and a (meth)acrylate unit having a urethane group. The acrylic polymer is a copolymer of a monomer mixture comprising an alkyl (meth)acrylate (A) having an alkyl group of 12 or more carbon atoms and a reactive (meth)acrylate (B) having a functional group capable of reacting with an amino group, wherein the urethane group is introduced by a reaction between the functional group capable of reacting with an amino group, an amino alcohol and a polyvalent isocyanate compound, and the mass ratio within the acrylic polymer between the copolymer portion and the introduced urethane group portions is within a range from 60:40 to 99:1.

Abstract: The invention relates to a crosslinking two-component polyurethane composition consisting of (i) a constituent A containing polyols and additives, and (ii) a constituent B containing between 100 and 65 wt. % of aromatic polyisocyanates, between 0 and 35 wt. % of aliphatic polyisocyanates, and between 0.05 and 3.0 wt. % of a retarder, and optionally additives, the mixed composition having a viscosity (EN ISO 2555) of between 100 mPas and 3000 mPas at 25° C., and the crosslinked composition having a glass transition temperature (Tg) of higher than 50° C. and a pot life of longer than 60 minutes. The two-component polyurethane composition is suitable as an adhesive and as a matrix substance for composite materials.

Abstract: A process for obtaining a solvent borne polyurethane composition comprising preparing an isocyanate-terminated prepolymer A; reacting the isocyanate groups of isocyanate-terminated prepolymer A with 0.1 to 1.8 stoichiometric equivalents of at least one active-hydrogen containing chain-terminating compound and or chain-extending compound; optionally introducing an isocyanate-terminated compound B; and reacting the isocyanate groups of the isocyanate-terminated prepolymer obtained in the previous steps and isocyanate-terminated compound B with 0 to 1.2 stoichiometric equivalents of at least one active-hydrogen containing chain-terminating compound and or chain-extending compound.

Abstract: The present disclosure provides compositions having reduced viscosity which may be used as adhesives or tissue sealants, and includes methods for speeding the cure rate of such compositions.

Abstract: The mixture of the invention comprises at least one cycloaliphatic polyisocyanate and at least one solvent comprising an ester function and an ether function. An aqueous emulsion can be obtained from this mixture which also comprises a compound bearing a function with a mobile hydrogen, selected from primary or secondary hydroxyl functions, phenol functions, primary and/or secondary amino functions, carboxylic functions and a thiol function or a compound containing precursor functions capable of freeing hydroxyl functions. The emulsion can be used for the manufacture of coatings on a substrate of cement, of wood or especially of leather, and also for the manufacture of adhesives.