Abstract: The present invention relates to a method for producing polymer-encapsulated nanoparticles comprising the steps of: pumping supercritical fluid into a pressurised vessel, at a predetermined pressure; spraying a solution comprising a compound to be encapsulated, a polymer and an organic solvent into the vessel; collecting precipitated particles on a filter; and washing the particles with the supercritical fluid to remove residual solvent; characterised in that: the difference between the melting point of the polymer and the melting point of the compound to be encapsulated is not more than 10° C.

Abstract: A single step milling and surface coating process allows for production of a stable dispersion of surface coated nanoparticles in an efficient manner. The process comprises providing feed particles, providing a coating agent, and generating the stable dispersion of surface coated nanoparticles by milling the feed particles in an aqueous medium containing the coating agent such that the coating agent bonds to surfaces of the feed particles as the feed particles are milled to an average particle size of less than about 100 nm.

Abstract: A preparing method for coating polymethylmethacrylate (PMMA) particles with silicon dioxide is disclosed and includes the following steps of: preparing a silicon dioxide solution by mixing a silicon dioxide powder and a solvent; adding a dispersant-and-interface-modifier agent into the silicon dioxide solution; performing a wet grinding to the silicon dioxide solution with the dispersant-and-interface-modifier agent so as to obtain a plurality of nano-sized silicon dioxide particles with negative charge; performing an interface modification to a plurality of PMMA particles to be charged with positive charge; adding the PMMA particles into the silicon dioxide solution; making the PMMA particles adsorb the nano-sized silicon dioxide particles; and performing a solid-liquid separation process to the silicon dioxide solution so as to obtain the chemical composite particles.

Abstract: Bilayer-nanoparticle compositions comprising a nanoparticle core and a lipid bilayer disposed around the exterior surface of the nanoparticle core are provided. In some embodiments, these bilayer-nanoparticle compositions may be dispersed in an aqueous solution. Associated methods are also provided.

Abstract: Composite particles comprising core particles completely or partially coated with a precipitated polymer, where the d50 median diameter of the core particles is 1 ?m or greater and the ratio of the d50 median diameter of the composite particles to the d50 median diameter of the core particles is 1.15 or greater, are provided. A method to prepare the particles includes dissolution of a polymer in a solvent and reprecipitation of the polymer in the presence of a suspension of the core particles. Further provided is a layer by layer moulding process employing the composite particles and mouldings obtained therefrom.

Abstract: A metal ion sensor is provided. The metal ion sensor includes a nanoparticle core doped with a first luminescent material and a shell enclosing the nanoparticle core. The shell includes a second luminescent material and binding sites of outer metal ions. The first luminescent material and the second luminescent material emit light with mutually different colors when excited by an excitation source. The luminescence intensity of the light emitted from the second luminescent material varies in accordance with the binding amount of the outer metal ions, such that the emission color of the combined luminescence of the first luminescent material and the second luminescent material is changed.

Abstract: The method produces powder particles that are uniformly coated with functional groups. It includes homogenizing, in an agitator mill, a suspension of glass, quartz, glass ceramic, and/or ceramic particles in a suspending agent together with a coating agent, so that the particles in the suspension react with the coating agent in the agitator mill to form the uniformly coated powder particles with functional groups. Preferably a weight ratio of the suspending agent to the particles is from 0.5:1 to 5:1. The suspending agent is preferably an aqueous solvent and the coating agent is preferably a silane. The uniformly coated powder particles have a particle size (d50) of less than 2 ?m, have a specific surface of 5 to 40 m2/g, and are free of agglomerates.

Abstract: The present invention relates to a method for production of a coated preparation, characterized by coating a core material with a coating solution, the core material comprising an active ingredient, the coating solution comprising a) a resin composition obtained by copolymerization of polyvinyl alcohol having an average polymerization degree of 1300 or less, and at least one polymerizable vinyl monomer in a weight ratio of 6:4 to 9:1, b) water, and c) an organic solvent. The method for production make it feasible to efficiently coat a preparation such as a tablet, a granule, and a fine granule, etc. (a pharmaceutical drug, an animal drug, an agricultural chemicals, a fertilizer, or a food product) with the coating solution comprising a) the composition comprising the polyvinyl alcohol copolymer as the main component, b) water, and c) the organic solvent.

Abstract: A method of forming an encapsulated composition with enhanced solubility and stability. A bicontinuous or Winsor Type III microemulsion is formed using an emulsifier, a solvent and a co-emulsifier. An active composition is added to the microemulsion resulting in a micellar network of the active composition within the microemulsion. The active composition can be either water-soluble or oil-soluble or both.

Abstract: A method for preparing a plurality of coated binder units wherein each of the coated binder units comprises a core of a binder coated with a layer of coating material, which method comprises the steps of: (a) providing a coated binder which comprises a core of a binder coated with a layer of coating material; and (b) dividing the coated binder into the plurality of the coated binder units by means of a system which comprises a first and a second loop that engage over part of their lengths and rotate in opposite directions, the first loop comprising a first repeating sequence of interlinked molds and the second loop comprising a second repeating sequence of interlinked molds, whereby the coated binder units are formed by welding edges of the coating and cutting the extrudate into pieces in a region where the first and the second loops engage. The invention further relates to said system.

Abstract: The present disclosure provides oxide microparticles with engineered hierarchical porosity and methods of manufacturing the same. Also described are structures that are formed by templating, impregnating, and/or precipitating the oxide microparticles and method for forming the same. Suitable applications include catalysts, electrocatalysts, electrocatalysts support materials, capacitors, drug delivery systems, sensors and chromatography.

Abstract: The invention relates to a process for the production of a composite of a plastic and loose stones, comprising the steps a) mixing of the loose stones with the liquid starting components of the plastic in a mixer, b) discharge of this mixture from the mixer, c) curing of the plastic.

Abstract: The present disclosure provides a method for forming populations of monodisperse porous silica particles. Also provided are monodisperse populations of porous silica particles, an array of physically connected monodisperse porous silica particles and a microfluidic device for forming populations of monodisperse porous silica particles.

Abstract: The present invention relates to a preparation method for a biodegradable polymer microparticle and a microparticle prepared by the method. More particularly, the present invention relates to a method for preparing a polymer microparticle, wherein the method includes the steps of: dissolving a biodegradable polyester-based polymer in DMSO (Dimethyl Sulfoxide); spraying the solution in a low temperature hydrocarbon solution to provide a frozen DMSO microparticle; adding the microparticle in a low temperature salt aqueous solution to dissolve DMSO; and removing salt. The present invention provides a method for preparing a novel polymer microsphere which can be injected through a syringe due to excellent physical properties (such as biocompatibility, biodegradability, porosity, mechanical strength) and the microcarrier's size-adjustability, and can be easily mass-produced.

Abstract: The present disclosure relates to magnetic nanocomposite materials, and processes for the production thereof. In particular, the present disclosure relates to nanocomposites comprising magnetic nanoparticles surrounded by a polymer, which is bonded to a biodegradable polymer.

Abstract: A method is provided for manufacturing spherical corundum grains having a bulk density between 1.5 kg/L and 2.5 kg/L, with aluminum oxide being melted in an electric arc furnace with the addition of 0.1 to 1% quartz sand, the melt being poured in a pouring quantity of less than 100 kg/min, and the pouring stream being blown using compressed air at a pressure between 3 to 10 bar.

Abstract: The invention is directed to apparatus and methods for contacting gas and solids in the manufacture of edibles, and particularly in connection with coating edible particulate solids. A drum is positioned around an inner tube so that an annular space is defined between the drum and the tube. A rotatable spiral element defines a gas pathway in the annular space, such that rotation of the spiral pushes particulate solids through the drum while the solids are contacted with gas in the annular space.

Abstract: A composite includes: one or more core units comprising a bleach activating agent; and an alkali soluble polymer coating on the surface of said one or more core units.

Abstract: A process for preparing compacted pigment granules, comprising the steps of (1) loading iron oxide powder into a rotating mixer; (2) spraying, while the mixer is rotating, liquid binder solution onto the cascading pigment powder, whereby the cascading pigment powder is compacted into dense granules of approximately 0.3-1.2 mm diameter and having a moisture content of approximately 10-14%; and (3) directing, while the mixer is rotating, heated air at a temperature of 200-600° C. onto the compacted pigment granules, so that the compacted pigment granules are dried at a temperature of approximately 50-100° C., and continuing this process for approximately 2-3 hours until the moisture content of the compacted pigment granules is reduced to approximately 2% or less, whereupon the compacted pigment granules are removed from the mixer, and a process for preparing encapsulated pigment granules.

Abstract: Metallic substrates have a surface for receiving application of an adhesive that includes a precipitated coating of metallic nanoparticulates. A first portion of the nanoparticulates is adhered to the surface and a second portion is in contact with the first portion. Also provided are adhered constructs. These constructs include a first substrate with a first surface that has a metallic precipitated coating of nanoparticulates. A first portion of the nanoparticulates is adhered to the surface and a second portion contacts the first portion. The constructs include a second substrate that has a second surface; and an adhesive is applied between the first surface and the second surface.

Abstract: Sorbents for removal of mercury and other pollutants from gas streams, such as a flue gas stream from coal-fired utility plants, and methods for their manufacture and use are disclosed. Embodiments include brominated sorbent substrate particles having a carbon content of less than about 10%. Other embodiments include one or more oxidatively active halides of a nonoxidative metal dispersed on sorbent substrate particles mixed with activated carbon in an amount up to 30% by weight.

Abstract: The present disclosure relates to coating formulations for neodymium-iron-boron type magnetic powders manufactured from rapid solidification processes for the purpose, inter alia, of corrosion and oxidation resistance when exposed to aggressive environments. The coating formulation preferably contains an epoxy binder, curing agent, an accelerating agent, and a lubricant. By incorporating coupling agents and optionally, other specialty additives with the magnetic powder and the organic epoxy components, additional oxidation and corrosion prevention, enhanced adhesion and dispersion between the filler and matrix phases can be achieved. This disclosure relates to all such rare earth-transition metal-boron (RE-TM-B) powders produced by rapid solidification and encompasses both the bonded magnet products that include combinations of the materials mentioned and the application processes.

Abstract: An inkjet receiver comprising a support and one or more layers coated on the support, at least one of which comprises a particulate material and a binder, the particulate material comprising composite particles having an inner portion and an outer portion or core-shell arrangement, wherein the inner portion comprises a negatively-charged, positively-charged or functionalized latex, and the outer portion comprises an inorganic material having enhanced keeping properties and reduced ozone-induced dye fade.

Abstract: A conductive coating film is formed on a substrate by bringing a conductive material covered with a protective material into contact with a material having anion exchange ability, through such a process wherein an anion exchange layer containing a material having anion exchange ability is formed on a substrate and then a layer containing a conductive material covered with a protective material is formed on the anion exchange layer, or alternatively through such a process wherein a layer containing a conductive material covered with a protective material is formed on a substrate and then an anion exchange layer containing a material having anion exchange ability is formed on the layer containing a conductive material. The anion exchange layer and the layer containing a conductive material may be formed by coating, printing or the like.

Abstract: Disclosed herein is a multilayer nanocrystal structure comprising a nanocrystal alloy core comprising two or more nanocrystals and including an alloy interlayer formed at an interface between the two or more nanocrystals, and one or more layers of nanocrystal shells formed sequentially on the surface of the nanocrystal alloy core, wherein the nanocrystal shells each have different band gaps. The multilayer nanocrystal structure can be applied to various electronic devices owing to its advantages of high luminescence efficiency, superior optical stability, and superior chemical stability.

Abstract: A method of treating carbon fibers includes introducing a functional group to a carbon fiber surface, and reacting the functional group with a silane to incorporate a silanol moiety to the carbon fiber surface. The functional group is chosen from amine groups, carboxyl groups, hydroxyl groups, and/or carbonyl groups. Also disclosed herein are a fiber-reinforced resin and a method of making the same.

Abstract: Solid proppants are coated with a coating that exhibits the handling characteristics of a precured coating while also exhibiting the ability to form particle-to-particle bonds at the elevated temperatures and pressures within a wellbore. The coating includes a substantially homogeneous mixture of (i) at least one isocyanate component having at least 2 isocyanate groups, and (ii) a curing agent. The coating process can be performed with short cycle times, e.g., less than about 4 minutes, and still produce a dry, free-flowing, coated proppant that exhibits low dust characteristics during pneumatic handling but also proppant consolidation downhole for reduced washout and good conductivity.

Abstract: The present invention relates to a method of producing a moulded fibrous product 5, said method comprising a product formed from an aqueous pulp suspension 11, said product 5 having a surface 50; covering the surface 50 with a surface barrier material 45 applied in liquid form; and drying the product 5 and the applied surface barrier material 45 to produce a moulded fibrous product 5 having a surface barrier 46; wherein a porous mould 10, 20 is provided for supporting the product 5 during the application of the surface barrier material 45; whereby the liquid surface barrier material 45 spreads on the surface 50 to fill any possible areas, so that a moulded fibrous product having a tight surface barrier 46 will be produced.

Abstract: A method for preparing nanoparticles includes preparing a mixture containing an organic solvent, surfactant and water; adding a first quantity of a first silica precursor and ammonia to the mixture; adding a second quantity of the first silica precursor and a second silica precursor to the mixture; adding acetone to the mixture; removing silica nanoparticles from the mixture; and drying the silica nanoparticles.

Abstract: The present invention relates to proppants which can be used to prop open subterranean formation fractions. Proppant formulations are further disclosed which use one or more proppants of the present invention. Methods to prop open subterranean formation fractions are further disclosed. In addition, other uses for the proppants of the present invention are further disclosed, as well as methods of making the proppants.

Abstract: Air-stable coated particles which include an oxidizable core having an organic ligand coating substantially encompassing the oxidizable core, are disclosed and described. The coated particles can also be substantially free of an oxide layer, especially oxide layers around the oxidizable core. As such, the organic ligand coating acts as a protective or passivating coating. The air-stable coated particles can be formed via a particle size-reduction process. An oxidizable particulate can be crushed and contacted with an organic ligand. The process conditions are maintained such that an oxide layer is preempted from forming on the oxidizable core. Such materials can be effective as high energy density additives for various fuels, pyrotechnic, ionic liquids, and rocket propellant applications and for biomedical applications.

Abstract: The present invention relates to topical compositions containing solid particles that are stabilized via encapsulation into a cross-linked silicone matrix. The solid particles are preferably formed of a metal oxide, such as zinc oxide or titanium dioxide, and the cross-linked silicone matrix is preferably formed by cross-linking a silicone having branched reactive alkoxyl moieties in the presence of a stannous carboxylate cross-linking agent. The stabilized particles of the present invention can readily be used either alone or in combination with other skin care actives to form topical compositions with improved stability and performance.

Abstract: The invention relates to a composition for topical application comprising as an active ingredient a peroxide and a retinoid wherein one of said peroxide and retinoid is in the form of first microparticles comprising a solid particulate matter of the active ingredient coated by a metal oxide layer and the other of said peroxide and retinoid is present in an uncoated free form or in a coated form of the active ingredient. The invention further relates to method for treating a surface condition in a subject using said composition, a method for preparing a composition exhibiting improved stability, and a kit comprising: (a) a first composition comprising a peroxide as a first active ingredient; and (b) a second composition comprising a retinoid as a second active ingredient; at least one of said first and said second active ingredient being coated by a metal oxide layer.

Abstract: Provided is a cosmetic including silicone microparticles, in which the silicone microparticles include 100 parts by mass of silicone elastomer spherical microparticles having a volume average particle diameter within a range from 0.1 to 100 ?m, and 0.5 to 25 parts by mass of a polyorganosilsesquioxane that coats the surface of the silicone elastomer spherical microparticles, and the silicone elastomer is capable of absorbing not less than 200 parts by mass of a polymethylsiloxane having a viscosity at 25° C. of not more than 10 mm2/s per 100 parts by mass of the silicone elastomer. Even if containing a silicone oil, the cosmetic exhibits favorable feelings upon use, with no spreading difficulties, stickiness, greasiness, or oily film feeling or the like.

Abstract: Nano-constructscomprising nanoshells and methods of using the nano-constructs for treating or ameliorating a medical condition are provided.

Abstract: An environment-friendly porous bead-satellite nanoparticles composite which has excellent recovery and repeated usage performance and can be used as a catalyst, an antiviral agent, or an antimicrobial, and a fabrication method thereof are provided. The porous bead-satellite nanoparticles composite includes a porous bead, a molecule having a first end coupled to the surface of the porous bead and including a functional group at a second end, and satellite nanoparticles coupled to the functional group, wherein the porous bead may have a core-shell structure including a cluster core of nanoparticles and a porous bead shell covering the cluster core.

Abstract: A process for preparing a single source solid precursor matrix for semiconductor nanocrystals having the steps of: mixing 0.1-1 Molar of an aqueous/non-aqueous (organic) solution containing the first component of the host matrix with 0.001-0.01 Molar of an aqueous/non-aqueous solution containing the first dopant ions, which needs in situ modification of valency state, dissolving 10-20 milligram of an inorganic salt for the in situ reduction of the first dopant ion in the solution, addition of 0.001-0.01 Molar of an aqueous/non-aqueous solution of an inorganic salt containing the dopant ions which do not need modifications of their valency state, addition of 0.1-1 Molar of an aqueous/non-aqueous solution of an inorganic salt containing the second component of the host material, addition of 5-10% by weight of an aqueous solution containing a pH modifying complexing agent, to obtain a mixture, and heating the mixture to obtain a solid layered micro-structural precursor compound.

Abstract: The invention relates to a method for obtaining polyamide or copolyamide particles which are spheroidal and whose average diameter is between 40 and 150 ?m, preferably between 60 and 100 ?m. Said method consists of introducing a mineral charge, preferably silica, having an average diameter of 1-30 ?m into the reaction mixture. The invention also relates to a polyamide or copolyester amide powder and to the use thereof in order to manufacture coatings, ink compositions, paint compositions, cosmetic compositions, pharmaceutical compositions, alloys with metal powders or metal oxide powders and parts by agglomerating said powder by laser sintering, IR radiation or UV radiation.

Abstract: Core-shell nanoscale pigment particles include a core organic pigment composition including nanoscale particles of organic pigments, and a shell layer of surface-deposited silica, where the organic pigment particles are selected from azo-type pigment particles, azo laked pigment particles, quinacridone pigment particles, phthalocyanine pigment particles, and mixtures thereof. The core-shell nanoscale pigment particles can also include an organic primer layer covering the core and located between the core and the shell layer. The core-shell nanoscale pigment particles can be made by preparing a core composition including nanoparticles of organic pigments, and encapsulating the core with shell layer of surface-deposited silica and an optional organic primer layer located between the core and the shell layer.

Abstract: A method of making particles of either spherical or cylindrical geometry with a characteristic diameter less than 50 nanometers by mixing at least one structure directing agent dissolved in a solvent with at least one amphiphilic block copolymer dissolved in a solvent to make a solution containing particles, where the particles can be subsequently separated and dispersed in a solvent of choice.

Abstract: The present invention describes a synthetic turf having super absorbent materials in order to keep the synthetic turf cooler than conventional synthetic turfs. The present invention also provides for synthetic turf infill cooling particles comprising a layer of water-absorbing material coating a foundation comprising a core substrate. In one embodiment, the cooling particle is comprised of a core particle or substrate, which is coated with a water-absorbing material. In one embodiment, the water-absorbing material is a super absorbent polymer.

Abstract: Microspheres, populations of microspheres, and methods for forming microspheres are provided. One microsphere configured to exhibit fluorescent and magnetic properties includes a core microsphere and a magnetic material coupled to a surface of the core microsphere. About 50% or less of the surface of the core microsphere is covered by the magnetic material. The microsphere also includes a polymer layer surrounding the magnetic material and the core microsphere. One population of microspheres configured to exhibit fluorescent and magnetic properties includes two or more subsets of microspheres. The two or more subsets of microspheres are configured to exhibit different fluorescent and/or magnetic properties. Individual microspheres in the two or more subsets are configured as described above.

Abstract: This invention describes a process for producing a nanoscale zero-valent metal, including reduction of a metal ion solution with a dithionite compound, wherein the reduction is carried out under alkaline conditions under substantially an inert atmosphere. A nanoscale zero-valent metal obtainable by this process, and having a new crystalline form, is also described. The nanoscale zero-valent metal produced by the process of the invention is preferably iron, and is advantageously used for the remediation of contaminated water.

Abstract: Binder for granular and/or fibrous substrates

Abstract: This invention relates to a surface discovery system and high-throughput combinatorial synthesis methods for generating large numbers of diverse surface coatings on solid substrates. The system is built upon a synthon which comprises at least three elements: a chemical backbone coating on the solid substrate that comprises a copolymer (B) of at least one passive constituent (P) and at least one active constituent (A); a spacer unit (S) separating the backbone from a functional group; and a functional group (F). The methods comprise the following steps: 1) selecting a plurality of synthons so that each synthon has at least two points of diversity selected from P, A, S and F; 2) applying copolymer B onto a substrate; and 3) attaching a combination of S and F to constituent A of copolymer B. Steps 2) and 3) are performed such that different synthons are generated on localized regions of the substrate.

Abstract: A method for producing clumped frozen food products includes the steps of forming a plurality of cryogenically manufactured ice cream units; conveying the units along a conveyor to a rotating container; disposing a liquid on the units while the units are within the rotating container, wherein the liquid hardens into a binder that facilitates fusion of individual units with one another to form a plurality of clumps, each of the clumps respectively comprising a plurality of fused units coupled with the binder. After forming into clumps, the clumps may be removed from the rotating container and stored in a frozen form.

Abstract: A method of fabricating a film of magnetic nanocomposite particles including depositing isolated clusters of magnetic nanoparticles onto a substrate surface and coating the isolated clusters of magnetic nanoparticles with an insulator coating. The isolated clusters of magnetic nanoparticles have a dimension in the range between 1 and 300 nanometers and are separated from each other by a distance in the range between 1 and 50 nanometers. By employing PVD, ablation, and CVD techniques the range of useful film thicknesses is extended to 10-1000 nm, suitable for use in wafer based processing. The described methods for depositing the magnetic nanocomposite thin films are compatible with conventional IC wafer and Integrated Passive Device fabrication.

Abstract: A method for producing solid particles having a silica coating, by: dispersing the solid particles to be coated in an aqueous medium to produce a solid particle dispersion, adjusting the pH of the solid particle dispersion by a buffer system to produce a buffered solid particle dispersion, and adding an alkaline silicate solution to the buffered solid particle dispersion to form the silica coating on the solid particles during a coating period. The amounts of buffer system and alkaline silicate solution are selected such that the pH of the buffered solid particle dispersion before the addition of the alkaline silicate solution is at least 7.0 and after completion of the addition of the alkaline silicate solution is at most 11.0.

Abstract: The invention relates to a method for manufacturing a biodegradable composition containing nano-particles of cellulose for forming a protective coating on natural materials. It is an object of the invention to provide a composition for forming a protective coating layer on a biodegradable natural material that imparts to the material improved waterproofing and grease-resistant properties. It is another object to provide a composition for forming a protective coating on natural biodegradable materials that is based on the use of nano-cellulose particles and that protects these materials from swelling, warping, and mechanical damage during contact with water, other aqueous liquids, or grease.

Abstract: Methods, processes and compositions are provided for a visual or chemochromic hydrogen-detector with variable or tunable reversible color change. The working temperature range for the hydrogen detector is from minus 100° C. to plus 500° C. A hydrogen-sensitive pigment, including, but not limited to, oxides, hydroxides and polyoxo-compounds of tungsten, molybdenum, vanadium, chromium and combinations thereof, is combined with nano-sized metal activator particles and preferably, coated on a porous or woven substrate. In the presence of hydrogen, the composition rapidly changes its color from white or light-gray or light-tan to dark gray, navy-blue or black depending on the exposure time and hydrogen concentration in the medium. After hydrogen exposure ceases, the original color of the hydrogen-sensitive pigment is restored, and the visual hydrogen detector can be used repeatedly.