Abstract: Methods for reducing aluminosilicate containing scale in a Bayer process involving treating a Bayer process equipment surface with a scale inhibiting composition having high ionic strength prior to exposure to a Bayer process stream.

Abstract: Disclosed is an ultrafine fiber including lignin, a carrier polymer and a carbon material. The ultrafine fiber, which includes lignin, can exhibit the properties of lignin such as antibacterial property, biodegradability, etc. Accordingly, it can be used widely in medical materials such as nanofiber, nanofiber web, nanofiber sheet, etc. for wound healing of the skin's dermal layer. Also, the ultrafine fiber can be used in sheath of electric cables because it contains a carbon material and has superior conductivity. In addition, because the ultrafine fiber can hold a large quantity of water, it can be used in various fields including sanitary pads for women, diapers for babies and adults, etc.

Abstract: Described are compositions (e.g., slurries) useful in methods for chemical-mechanical processing (e.g. polishing or planarizing) a surface of a substrate that contains tungsten, the slurries containing abrasive particles, metal cation catalyst, phosphorus-containing zwitterionic compound, and optional ingredients such as oxidizer; also described are methods and substrates used or processed on combination with the compositions.

Abstract: The present disclosure provides chemical mechanical polishing (CMP) slurry, including an abrasive, a chelator, an oxidizing agent, and a surface modificator. The surface modificator is configured to modify a surface from hydrophobic to hydrophilic. The present disclosure also provides a method for reducing chemical mechanical polishing (CMP) surface defects. The method includes adding an additive into CMP slurry by at least 0.0001 wt %, wherein the additive modifies a surface to be polished from hydrophobic to hydrophilic.

Abstract: The present disclosure provides a method for preparing an aluminum oxide polishing solution. The methods include: 1) mixing a silane coupling agent, ethyl alcohol, and water to form a hydrolysate; 2) under a condition of heating and stirring at a temperature between 95° C. and 110° C., adding the hydrolysate into aluminum oxide powder; keeping stirring while heating till liquid is completely volatilized, thereby obtaining a modified aluminum oxide; 3) grinding the modified aluminum oxide into powder and dispersing the powder into water; adjusting solution pH to 9.5-10.5, thereby obtaining the aluminum oxide polishing solution. It may achieve a polishing efficiency of pH=13.00 by using the aluminum oxide polishing solution of the present disclosure; meanwhile, less scratches will occur to a polishing disc.

Abstract: The present invention provides an anti-fouling pressure-sensitive adhesive sheet and anti-fouling treatment method capable of preventing peeling from overlapping portions when adjacent anti-fouling pressure-sensitive adhesive sheets are attached by allowing end portions thereof to overlap each other. The anti-fouling pressure-sensitive adhesive sheet of the present invention includes a base material layer; a pressure-sensitive adhesive layer provided on one side of the base material layer; and an anti-fouling layer provided on another side of the base material layer, wherein the anti-fouling pressure-sensitive adhesive sheet has, at an end portion thereof, a bonding margin including parts of the base material layer and the pressure-sensitive adhesive layer, the parts extending beyond the anti-fouling layer.

Abstract: A pressure-sensitive adhesive composition, a protective film, an optical element and a display device are provided. The pressure-sensitive adhesive composition has excellent storage stability, exhibits proper low-speed and high-speed peel strengths after formation of a cross-linked structure, and also has an excellent balance between the low-speed and high-speed peel strengths. Therefore, when the pressure-sensitive adhesive composition is applied to a protective film, the pressure-sensitive adhesive composition can have an excellent protective effect, and can also be advantageous to perform a high-speed process since the pressure-sensitive adhesive composition is easily peeled during a high-speed peeling process. In the high-speed peeling process, the pressure-sensitive adhesive composition can exhibit excellent antistatic characteristics.

Abstract: Provided is a hot-melt adhesive for woodworking, containing a component (a) of an olefinic polymer (A) having a specific tensile modulus of elasticity and a specific glass transition temperature (Tg), and a component (b) of an olefinic polymer (B) having a specific glass transition temperature (Tg), wherein the content of the component (a) is 31 to 95% by mass relative to 100% by mass of the total amount of the component (a) and the component (b).

Abstract: Various opacifying adhesive compositions are described. The adhesives exhibit relatively high levels of opacity in wet conditions while maintaining acceptable adhesive properties. Also described are label assemblies and labeled containers using such adhesives. Related methods of use and preparation are also described.

Abstract: Provided are a pressure-sensitive adhesive composition, a protective film, an optical device, and a display device. The pressure-sensitive adhesive composition may exhibit excellent storage stability, suitable low speed and high speed peel-off strengths after forming a crosslinking structure, and have an excellent balance between them. Accordingly, the pressure-sensitive adhesive composition may exhibit an excellent protective effect when applied to a protective film, may be easily peeled in a high speed peel-off and thus advantageous for a high speed process, and may exhibit an excellent antistatic characteristic.

Abstract: A fiber composite material obtainable by (a) mixing the components of a multi-component agent immediately before use, wherein component A of the multi-component agent contains at least one compound having two or more isocyanate groups, component B of the multi-component agent contains at least one compound which has at least two reactive groups selected from hydroxyl groups, thiol groups, primary amino groups and secondary amino groups and is simultaneously free from epoxy groups, and at least one of the components of the multi-component agent contains at least one epoxide prepolymer, (b) introducing the resulting application preparation into a mold in which fibers and optionally further additives are present, the resulting mixture containing at least one latent hardener for epoxide prepolymers, (c) pre-curing the resulting mixture at a temperature from 5° C. to 90° C., and (d) then finally curing the pre-cured fiber composite material at temperatures from 100° C. to 240° C.

Abstract: An adhesive composition includes an epoxy-based resin, an acryl-based resin, and a curing agent. The acryl-based resin includes a triblock copolymer of methyl methacrylate-butyl acrylate-methyl methacrylate, or a modified product thereof.

Abstract: The invention relates to isocyanate-free elastomer adhesives based on hybrid urethane-acrylate epoxies. The hybrid shows properties consistent for structural adhesives with excellent mechanical and thermal stability, and low read-through. The adhesives are suitable for use in industry, e.g., as adhesives for automotive applications.

Abstract: The disclosed embodiments include an organopolysiloxane composition, a preparation method therefor, and a semiconductor component. The shore hardness of the cured product thereof is greater than A30 and less than A65. The composition comprises: (A1) solid 3D organopolysiloxane having an R13SiO1/2 unit and an SiO4/2 unit; (A2) liquid straight-chain organopolysiloxane having an R13SiO1/2 unit and an R22SiO2/2 unit; the mixing viscosity of component (A1) and (A2) is between 6,000 and 20,000 mPa·s; (B) liquid straight-chain polyorganohydrosiloxane having an R33SiO1/2 unit and an R42SiO2/2 unit; (C) an organosiloxane tackifier in which one molecule has on average at least one epoxy group; (D) a hydrosilylation catalyst of a volume enough to promote the curing of the composition. The composition of the present invention and the cured semiconductor component thereof have good heat resistance, good adhesiveness with aluminum having a mirror finish and ceramic substrate, and good resistance to humidity.

Abstract: A room-temperature-curable silicone rubber composition which exhibits good adhesion to a substrate contacted during curing and which forms a silicone rubber cured product that can be efficiently peeled is disclosed. The room-temperature-curable silicone rubber composition comprises: (A) an organopolysiloxane having in each molecule at least two specified alkoxysilyl-containing groups on silicon atoms in the molecular chain, (B) a diorganodialkoxysilane or partially hydrolyzed condensate thereof, and (C) a condensation-reaction catalyst.

Abstract: A composition for suppressing dust particles includes from about 51% to about 100% by weight of saturated hydrocarbons, and from about 0 to about 49% by weight of unsaturated hydrocarbons. The composition has a content of wax in the range from about 5% to about 40% by weight of the total composition. A method of making and a method of using such a composition are also provided.

Abstract: Compositions and methods based on the use of fluoroalkene containing from 3 to 4 carbon atoms and at least one carbon-carbon double bond, such as HFO-1214, HFO-HF0-1233, or HF0-1354 having properties highly beneficial in foaming and blowing agent applications, articles and methods.

Abstract: A graphene sheet combining graphite flake structure includes a graphite nanoplatelet material and a graphene material. The graphene material is mixed in the graphite nanoplatelet material, and the content of the graphene material is between 1% and 80% of the graphite nanoplatelet material. A slurry for manufacturing the graphene sheet combining graphite flake structure and a manufacturing method for the graphene sheet combining graphite flake structure are also disclosed.

Abstract: A system and method for providing dry cooling of a source liquid, having a plurality of heat exchangers which depolymerize and polymerize a polymer. Specifically, the depolymerization process is endothermic and draws heat from a source liquid in a first heat exchanger, and the polymerization process is exothermic and expels heat from a second heat exchanger. Additional heat exchangers and holding tanks may be incorporated in the system and method. In some embodiments the system further provides additional cooling of the polymer prior to depolymerization using cooler night ambient air.

Abstract: Highly resilient carbon-based materials having a resiliency greater than about 120% at 10,000 psi may be useful as lost circulation materials (LCMs) for wellbore strengthening and lost circulation mitigation in downhole operations in subterranean formations with depleted zones. For example, a downhole method may include drilling at least a portion of a wellbore penetrating a subterranean formation with at least one depleted zone having a plurality of fractures extending from the wellbore into the at least one depleted zone; circulating a treatment fluid through the wellbore, the treatment fluid comprising a base fluid and a resilient carbon-based material having a resiliency greater than about 120% at 10,000 psi; contacting the at least one depleted zone with the resilient carbon-based material; and plugging at least some of the plurality of fractures in the at least one depleted zone with the resilient carbon-based material.

Abstract: Various embodiments disclosed relate to hydroxy-terminated poly(alkylene oxide) copolymer surfactants for use downhole, downhole compositions including the same, and methods of using the same. In various embodiments, the present invention provides a method of treating a subterranean formation. The method can include obtaining or providing a composition including a hydroxy-terminated poly(alkylene oxide) copolymer surfactant. The copolymer surfactant can include a first repeating unit having the structure —[R1O]—, wherein at each occurrence R1 is independently a substituted or unsubstituted (C2-C10)alkylene group. The copolymer surfactant can include a second repeating unit having the structure —[R2O]—, wherein at each occurrence R2 is independently a substituted or unsubstituted (C2-C10)alkylene group. The first repeating unit can have a lower molecular weight than the second repeating unit.

Abstract: Diverting agent compositions comprising polymeric diverting agents and surface polymeric brushes, and methods of use in subterranean formations, are provided. In one embodiment, the diverting compositions comprise: a first component comprising polymeric particles; and a second component comprising polymeric particles having a plurality of surface polymeric brushes.

Abstract: A method of servicing a wellbore in a subterranean formation comprising preparing a wellbore servicing fluid comprising a sealant material, helical fibers and a base fluid, placing the wellbore servicing fluid in the wellbore and/or subterranean formation, and allowing the wellbore servicing fluid to set therein.

Abstract: A method including introducing a treatment fluid into a subterranean formation having a downhole temperature in the range of between about 60° C. to about 95° C. The treatment fluid comprises an aqueous fluid, a swelling agent, and an oxidizing agent. Forming a diverter plug at a first permeable zone in the subterranean formation with the swelling agent, and breaking at least a portion of the swelling agent with the oxidizing agent.

Abstract: Disclosed herein is a well treatment method comprising the steps of injecting into a well a fluid loss control agent comprising a chelating agent, a viscosity increasing agent, and a plurality of at least partially insoluble bridging solid particles dispersed therein, wherein the chelating agent is effective to at least partially solubilize at least a portion of the bridging solid particles over a solubilizing period of time for thereafter substantially dissolving the bridging solid particles, wherein the solubilizing period of time is controlled by the concentration of the viscosity increasing agent, the concentration of the chelating agent, the composition of the metal salt, the pH of the fluid loss control agent, or a combination thereof. A fluid loss control agent is also disclosed.

Abstract: Compositions and methods are provided for delayed breaking of viscoelastic surfactant gels inside subterranean formations. Breaking is accomplished without mechanical intervention or use of a second fluid. The delayed breaking agent is selected from alkyl ether phosphates and salts thereof, alkylaryl ether phosphates and salts thereof, alkyl sulfates and salts thereof, alkylaryl sulfates and salts thereof, alkyl ether sulfates and salts thereof, alkylaryl ether sulfates and salts thereof, and mixtures of any of the foregoing. The viscoelastic surfactant can be a zwitterionic surfactant, and can be selected from the group consisting of sultaines, betaines, and amidoamine oxides.

Abstract: The method for well-stimulation through a wellbore in a rock formation is hydraulic fracturing under high temperature conditions. The method includes injecting a fracturing fluid system to the rock formation; fracturing the rock formation at a temperature between 150-260 degrees Celsius; and recovering fluid components of the fracturing fluid system from the wellbore and setting the proppant in the fractures. The fracturing fluid system includes proppant and a plurality of fluid components. The fluid components can include water, a gelling agent, and a stabilizer made of ascorbic acid. The ascorbic acid stabilizes viscosity of the gelling agent, adjusts pH, and delays cross linking. Amount of components and additional components, such as a cross-linking agent, a breaker, another adjusting agent and an inverting surfactant adjust the fracturing fluid system for well conditions and a type of treatment to be completed.

Abstract: Methods including preparing a treatment fluid comprising an aqueous base fluid, a gelling agent, and crosslinkable proppant particulates comprising proppant particulates having covalently grafted thereon a boronic acid functional group; crosslinking the crosslinkable proppant particulates with the gelling agent, thereby suspending the crosslinkable proppant particulates in the treatment fluid; introducing the treatment fluid into a subterranean formation having at least one fracture therein; and placing the crosslinkable proppant particulates into the at least one fracture to form a proppant pack therein.

Abstract: A resin-coated substrate composition includes a resin-coated substrate comprising a particulate substrate coated with a polymer resin, and an additive comprising bentonite or a zeolite. A method of preparing a resin-coated substrate composition includes heating a particulate substrate, and mixing the heated substrate with a polymer resin and an additive such as bentonite or a zeolite. In some embodiments, a foundry sand composition includes the resin-coated substrate composition. In some embodiments, a proppant sand composition includes the resin-coated substrate composition.

Abstract: Coated proppants can include a plurality of particles and one or more cured resin at least partially encasing or coating each of the particles. The cured resin, prior to curing, can be or include one or more treated aldehyde-based resins that can include one or more aldehyde-based resins and one or more polyamines. The polyamine can be or include one or more aromatic polyamines, one or more poly(C2-C5 alkylene) polyamines, or a mixture thereof. The coated proppant can have a dry crush strength of about 0.1 wt % to about 3 wt % at a pressure of about 55.2 MPa, based on the Proppant Crush Resistance Test Procedure under ISO 13503-2:2011.

Abstract: Viscosifying proppants including proppant particles coated with a CO2-philic coating in which the CO2-philic coating has a solvable portion that viscosifies a CO2-based fluid when the viscosifying proppant is added to the CO2-based fluid are provided. Methods of making viscosifying proppants are also provided that include coating proppant particles with a precursor material of a CO2-philic material, and polymerizing the precursor material to form a viscosifying proppant. Viscous hydraulic fracturing fluids include a CO2-based fluid and the viscosifying proppants and methods of treating subterranean formations that include contacting a subterranean formation with a viscous hydraulic fracturing fluid and propagating at least one subterranean fracture are also provided.

Abstract: One aspect of an emulsion includes an internal phase including acid, an external phase including supercritical carbon dioxide, and multiple nanoparticles to stabilize the internal phase and the external phase. The acid can include hydrochloric acid. The hydrochloric acid can include 15% hydrochloric acid. The nanoparticles can include hydrophobic nanoparticles. A concentration of nanoparticles in the emulsion can be at least 0.1% by weight. The emulsion can include a corrosion inhibitor. A concentration of the corrosion inhibitor can be in a range of between 0.25% and 0.6% by volume. A ratio of a concentration of the acid to a concentration of the supercritical carbon dioxide can be in a range between 30% and 70%.

Abstract: Compositions and methods for formulating treatment fluids that comprise a surfactant having reduced and delayed adsorption. In one embodiment, the method comprises: introducing a first treatment fluid comprising an aqueous base fluid and a polyelectrolyte into a wellbore penetrating at least a portion of a subterranean formation; contacting at least a portion of the subterranean formation with the polyelectrolyte; and introducing a second treatment fluid comprising an aqueous base fluid and a surfactant into the wellbore penetrating at least the portion of the subterranean formation.

Abstract: A molded nanoparticle phosphor for light emitting applications is fabricated by converting a suspension of nanoparticles in a matrix material precursor into a molded nanoparticle phosphor. The matrix material can be any material in which the nanoparticles are dispersible and which is moldable. The molded nanoparticle phosphor can be formed from the matrix material precursor/nanoparticle suspension using any molding technique, such as polymerization molding, contact molding, extrusion molding, injection molding, for example. Once molded, the molded nanoparticle phosphor can be coated with a gas barrier material, for example, a polymer, metal oxide, metal nitride or a glass. The barrier-coated molded nanoparticle phosphor can be utilized in a light-emitting device, such as an LED. For example, the phosphor can be incorporated into the packaging of a standard solid state LED and used to down-convert a portion of the emission of the solid state LED emitter.

Abstract: A composite particle that includes: a fluorescent semiconductor core/shell nanoparticle (preferably, nanocrystal); and a phthalic acid derivative attached to the core/shell nanoparticle outer surface, wherein the phthalic acid derivative (prior to attachment to the nanoparticle) has the following Formula (I): wherein each R is independently a linear or branched alkyl group having 6 or more carbon atoms and wherein n is 1 or 2.

Abstract: A white light photoluminescence wavelength conversion component comprises at least one blue light excitable green to yellow light (510 nm to 570 nm) emitting yttrium aluminum garnet (YAG) type phosphor material and at least one blue light excitable orange to red light (585 nm to 670 nm) emitting organic fluorescent dye.

Abstract: Disclosed are highly luminescent nanostructures, particularly highly luminescent quantum dots, comprising a nanocrystal core of InP and shell layers of GaP and AlP. The nanostructures may have an additional shell layer. Also provided are methods of preparing the nanostructures, films comprising the nanostructure and devices comprising the nanostructures.

Abstract: A phosphor blend is described wherein the blend consists of a red-emitting rare earth phosphor, a green-emitting rare earth phosphor, and a blue-emitting rare earth phosphor wherein the 50% size of the phosphors is between about 12 to 15 ?m. The phosphor blend is incorporated into a fluorescent lamp having an increased efficacy. A dual layer coating may be used to provide an additional increase in efficacy.

Abstract: Monodisperse particles having: a single pure crystalline phase of a rare earth-containing lattice, a uniform three-dimensional size, and a uniform polyhedral morphology are disclosed. Due to their uniform size and shape, the monodisperse particles self assemble into superlattices. The particles may be luminescent particles such as down-converting phosphor particles and up-converting phosphors. The monodisperse particles of the invention have a rare earth-containing lattice which in one embodiment may be an yttrium-containing lattice or in another may be a lanthanide-containing lattice. The monodisperse particles may have different optical properties based on their composition, their size, and/or their morphology (or shape).

Abstract: The present invention relates to the use of light-converting, colloidal, doped semiconductor nanocrystals to provide a new generation of high performance, low cost monochromatic and white light sources based on LEDs.

Abstract: A substrate and a slurry for erosion control and/or hydroseeding are disclosed. The substrate includes mulch and a cover composition including bentonite clay and cellulosic water dispersible polymer or starch. Other desired optional ingredients may also be included. Methods of controlling or reducing erosion control are also disclosed.

Abstract: A composition for an alignment layer includes a polyimide-based compound including a polymerization initiator coupled to a side chain of the polyimide-based compound.

Abstract: A method is described for generating useful chemical intermediaries from biomass using a novel pyrolysis reactor that utilizes the inherent thermal properties of carbon under compression as the biomass is subjected to sequential or concurrent temperature ramps. The ramps are sufficient to volatilize and selectively create different components, while the pressure application aids the selective decomposition of the biomass.

Abstract: A process for liquefying a cellulosic material to produce a liquefied product from cellulosic material is provided. Products obtained from such process and use of such products to prepare biofuels is also provided.

Abstract: The present invention relates to a mesoporous cobalt-metal oxide catalyst for the Fischer-Tropsch synthesis and a method of preparing the same. The mesoporous cobalt-metal oxide catalyst for the Fischer-Tropsch synthesis of the present invention can very stably maintain the mesoporous structure even under a H2-rich high-temperature reduction condition and under a reaction condition of the low-temperature Fischer-Tropsch synthesis, easily transport reactants to the active site of the catalyst due to structural stability, and facilitate the release of heavier hydrocarbon products after production thereof. Additionally, unlike the conventional cobalt-based catalysts which are prepared by adding various co-catalysts for the purpose of improving reducibility, activity, selectivity and increasing thermal stability, etc.

Abstract: The present invention provides a metal passivator/trap comprising a rare earth oxide dispersed on a matrix containing a calcined hydrous kaolin.

Abstract: A continuous, hot vapor stripping process recovers base oil from used lubricating oils (ULO) containing lubricating oil boiling range material, with further refining using solvent extraction to produce a high quality base oil. The ULO is charged to a first stripping column along with a stripping vapor to vaporize lubricating oil boiling range components, which are fed to a second stripping column to separate diesel boiling range material from the lubricating oil boiling range components. A lubricating boiling range material is removed as a bottoms product and fed to a liquid-liquid extractor to produce a raffinate stream and an extract stream. The raffinate stream is fed to a raffinate distillation column, where a base oil product is recovered as a bottoms stream. The extract stream is fed to an extract distillation column, where an aromatic oil product is recovered as a bottoms stream.

Abstract: Embodiments of a process for producing paraffins from a petroleum-based composition comprising long chain aromatics comprise mixing a supercritical water stream with a pressurized, heated petroleum-based composition to create a combined feed stream, introducing the combined feed stream to a first reactor through an inlet port of the first reactor, where the first reactor operates at supercritical pressure and temperature, cracking at least a portion of the long chain aromatics in the first reactor to form a first reactor product, and then introducing the first reactor product to a second reactor through an upper inlet port of the second reactor operating at supercritical pressure and temperature, where the second reactor is a downflow reactor comprising an upper inlet port, a lower outlet port, and a middle outlet port are provided. The middle outlet product passing out of the middle outlet port comprises paraffins and short chain aromatics.

Abstract: A method providing for the selective hydroprocessing of cracked naphtha feedstock to make blending components for low-sulfur gasoline and either ultra-low sulfur diesel or ultra-low sulfur jet fuel. The method includes the use of two catalytic distillation stages in combination with three stripping columns and two fixed-bed reactors integrated in a novel arrangement so as to provide for the treatment of cracked naphtha feedstock that has a high sulfur concentration to yield exceptionally low-sulfur light cracked naphtha and heavy cracked naphtha products and low-sulfur diesel or jet fuel. The desulfurized light and heavy cracked naphtha are produced with a minimal amount of hydrogenation of the olefin content and may suitably be used as gasoline, jet fuel, and diesel blending components.

Abstract: An apparatus and process for hydrodesulfurizing hydroprocessed naphtha from an overhead stream of a product fractionation column and/or from an overhead stream of a product stripping column in which an overhead stream may be condensed and fed to a post treat hydrodesulfurization reactor. Hydrogen may be supplied from an upstream separator for separating the hydroprocessed stream. Accordingly, naphtha may be hydrodesulfurized within the hydroprocessing recovery unit.