Abstract: A curable epoxy resin composition comprising at least one oxazolidone-modified epoxy resin which is the reaction product of an epoxy resin and an isocyanate, at least one maleimide, at least one cyanate ester, and optionally at least one non-oxazolidone containing epoxy resin, wherein at least one component of the composition comprises halogen or phosphorous to provide flame retardancy to the cured composition, a method of making the composition and methods of making a prepreg and an electrical laminate using the composition.

Abstract: Reinforced composite pipes and methods for making the same, generally employ at least one polymeric reinforcement phase, typically provided as an intermediate form 214. The intermediate form is typically applied over a core pipe 216, and may be consolidated. An optional jacket may be employed.

Abstract: A modular charging unit that allows efficient charging of a rechargeable battery with a charging station and during use away from the charging system uses ambient energy to extend battery life of the device.

Abstract: An amine organoborane polymerizable composition and uses for the composition are disclosed. Also disclosed are assemblies and methods of forming those assemblies using the polymerizable composition as an adhesive.

Abstract: The invention provides a composition comprising at least the following: A) from “greater than zero” to “less than 100” phr (based on sum weight of Components A and B) of an interpolymer comprising, in polymerized form, ethylene, an ?-olefin and a nonconjugated polyene, and wherein the interpolymer comprises less than, or equal to, 5 weight percent of the polyene, based on the total amount of polymerized monomers, and wherein the interpolymer has a molecular weight distribution (Mw/Mn) less than 3; B) from “less than 100” to “greater than zero” phr (based on sum weight of Components A and B) of an interpolymer comprising, in polymerized form, ethylene, an ?-olefin and a nonconjugated polyene, and wherein the interpolymer comprises greater than, or equal to, 5 weight percent of the polyene, based on the total amount of polymerized monomer; and wherein the total polyene content is less than 7 weight percent (based on the total amount of polymerized monomers in the interpolymers of Components A and B).

Abstract: The present invention relates to polypropylene compositions having a broad molecular weight distribution with a relatively high amount of xylene soluble material. The compositions have an Mw/Mn of five or greater, but preferably greater than 5.5 and more preferably greater than 6.0. The compositions have xylene solubles from 5.0 to 8.0 percent by weight, preferably from 5.5 to 8.0 percent by weight, and more preferably 6.0 to 7.5 percent by weight. The polymers of the present invention are particularly well suited for biaxially oriented polypropylene applications.

Abstract: A polyurethane elastomer is provided. The elastomer is the reaction product of at least a prepolymer and a chain extender, where the prepolymer is the reaction product of at least one polyol and at least one aliphatic diisocyanate. The chain extender is an aromatic diamine.

Abstract: The present invention relates to silylimidazolium salt complexes and their uses as catalysts including tunable latent catalysts for curing epoxy resins.

Abstract: A multilayered modified membrane and method for making the same, comprising a modified discriminating layer that can have a fouling resistant surface, improved salt rejection, antimicrobial properties, and/or improved solute, and/or small organics rejection as compared to membranes with unmodified discriminating layers.

Abstract: An automotive headlamp assembly having a closed-loop cooling circuit. The headlamp assembly includes a housing cooperating with a transparent lens cover to define a chamber. At least one light source is located within the chamber. The cooling circuit has at least one cold plate thermally coupled to the light source. A radiator is fluidly coupled to the cold plate by a plurality of tubes. The tubes are oriented at least partially upwardly and configured to circulate a fluid through the cooling circuit as a result of heating and cooling of the fluid therein.

Abstract: A process for the production of liquid epoxy resins, including: contacting a polyhydric phenol and an epihalohydrin in the presence of an ionic catalyst to form a halohydrin intermediate reaction product; concurrently: reacting a portion of the halohydrin intermediate reaction product with an alkali hydroxide to form a solid salt suspended in a liquid mixture including a dehydrohalogenated product and unreacted halohydrin intermediate, wherein the alkali hydroxide is used at less than a stoichiometric amount; and removing water and epihalohydrin as a vapor from the reacting mixture; separating the solid salt from the liquid mixture; reacting at least a portion of the unreacted halohydrin intermediate with an alkali hydroxide in the presence of water to form an organic mixture including an epoxy resin and unreacted epihalohydrin and an aqueous solution including a salt; separating the aqueous mixture from the organic mixture; and separating the unreacted epihalohydrin from the liquid epoxy resin.

Abstract: A polyurethane elastomer is provided. The elastomer is the reaction product of at least a prepolymer and a chain extender, where the prepolymer is the reaction product of at least one polyol and at least one aliphatic diisocyanate. The chain extender is at least one of a diol or a non-aromatic diamine.

Abstract: A detector device and a method for detecting a stall condition in a stepper motor, wherein the characteristics of the back EMF are identified directly from a waveform of the back EMF, specifically a first peak of the back EMF, a valley of the back EMF, and a second peak of the rectified integral of the back EMF, to determine a condition of the stepper motor.

Abstract: An air filter and fan device for a vehicle ventilation system is disclosed that, in direction of air flow, includes an air filter, an impeller, and a flow-off channel. A casing is provided that accommodates the impeller and the flow-off channel in an enclosing manner such that the impeller is established with double-suction, receiving air from the air filter from both a first side and a second side or the impeller.

Abstract: An enhanced color messaging instrument gauge assembly is disclosed having a lens with one or more surface interruptions. A lens covering an instrument cluster transmits colored light longitudinally from at least one light source near its edge. Light encountering the surface interruption causes the surface interruption to illuminate. In one embodiment, different colored light can be coordinated with activation of symbols on the instrument cluster to attract the attention of an operator to an abnormal operating condition or to reinforce other information being communicated to the operator on the instrument cluster.

Abstract: An improved particulate filtration system has an inlet, for the fluid to be filtered, connected to a housing containing a filter medium such that the fluid passes through the filter medium, and an outlet for the filtered fluid to exit. The filtration system's improvement is the filter medium being comprised of a porous ceramic of fused platelet grains. In a particular embodiment, the porous ceramic is a celsian porous ceramic, where the celsian grains have a hexagonal morphology and display a continuous volume thermal expansion coefficient from 100° C. to 1000° C.

Abstract: A method for preparing aromatic polyamines comprising (1) preparing a non-aqueous aminal solution; (2) contacting the non-aqueous aminal solution and an acidic siliceous catalyst to form a benzylamine intermediate; (3) contacting the benzylamine intermediate and an ion exchange resin catalyst based on a styrene-divinylbenzene copolymer to form an aromatic polyamine reaction mixture containing a polyaminopolyphenyl methane product; and (4) recovering the polyaminopolyphenyl methane product from the aromatic polyamine reaction mixture. The method, which may be practiced continuously, offers high 4,4?-methylene dianiline yield, reduced impurities, extended catalyst life, and, therefore, improved economics, when compared with many conventional methods to prepare polyaminopolyphenyl methanes.

Abstract: The present invention is crosslinked polymer particles, prepared from a free-radical activated reaction of an unsaturated coagent and low molecular weight hydrocarbons or certain polymers. This invention allows particles to be made from mixtures of coagents and saturated compounds. The invention is also a process for preparing crosslinked polymer particles.

Abstract: The present invention is directed toward membrane leaf packets, spiral wound modules and methods for making and using the same. The subject leaf packet comprises a membrane sheet folded upon itself and reinforced with sealant and tape along at least a portion of the fold on the back side of the membrane sheet.

Abstract: A heat exchanger includes a pair of tanks, each of the tanks having a pair of baffles sealingly engaged to a center wall, a pair of sidewalls, and a cover to form a fluid tight seal therebetween and provide a closure to the tank, wherein each of the sidewalls includes a portion of at least one of a pin and bracket for mounting the heat exchanger.