Abstract: A fluorescent fine particle film that retains the intrinsic functions of fluorescent fine particles and that can be formed on any substrate at a desired thickness, a method for manufacturing the fluorescent fine particle film, and a display apparatus, a photoconductor, and a sensor each including the fluorescent fine particle film are provided.

Abstract: A method for producing a composition for injection molding which contains an inorganic powder composed of at least one of a metal material and a ceramic material and a binder containing a polyacetal-based resin and a glycidyl group-containing polymer. The method includes: cryogenically grinding a first resin containing the polyacetal-based resin as a main component; cryogenically grinding a second resin containing the glycidyl group-containing polymer as a main component; mixing a powder obtained by grinding the first resin, a powder obtained by grinding the second resin, and the inorganic powder, thereby obtaining a mixed powder; and kneading the mixed powder.

Abstract: Provided herein are compositions for coatings that repel dust. The compositions comprise colloidal silica suspended in a low molecular weight alcohol, one or more hard nanoparticles, a fluoride source, and one or more combustible organic compounds. Methods of preparing a coating from the compositions are also provided herein.

Abstract: A method is disclosed. The method includes obtaining a precursor nanoparticle comprising a base material and a first ligand attached to the base material, and reacting the precursor nanoparticle with a reactant comprising a silicon bond, thereby removing the first ligand.

Abstract: The present invention provides a dental composition exhibiting both an excellent light diffusion property and excellent transparency, and having high mechanical strength and surface smoothness and gloss after polishing as a cured product and good handling properties as a paste. The present invention is a dental composition including: a polymerizable monomer (A); and an amorphous powder (B). The amorphous powder (B) has an average particle size of 1 to 20 ?m, and includes silica-based fine particles and coatings of an oxide that cover the surfaces of the silica-based fine particles. The oxide contains a zirconium atom, a silicon atom, and an oxygen atom. The difference in refractive index between the cured product of the polymerizable monomer (A) and the amorphous powder (B) is 0.005 to 0.03.

Abstract: Solar-reflective roofing granules having improved solar heat-resistance are formed by coating colored mineral particles with a coating composition including titanium dioxide nanoparticles.

Abstract: Disclosed are silica particles having a volume average particle size of from about 100 nm to about 500 nm, an average circularity degree of from about 0.5 to about 0.85, and an average value of the ratios of circle equivalent diameters Da of the silica particles obtained by a flat image analysis to maximum heights H of the silica particles obtained by a stereoscopic image analysis of more than 1.5 and less than 1.9.

Abstract: Exemplary embodiments provide materials and methods for hydrophobic coatings that can include hydrophobic core-shell nano-fillers dispersed in an elastomeric polymer matrix.

Abstract: Matrixes doped with semiconductor nanocrystals are provided. In certain embodiments, the semiconductor nanocrystals have a size and composition such that they absorb or emit light at particular wavelengths. The nanocrystals can comprise ligands that allow for mixing with various matrix materials, including polymers, such that a minimal portion of light is scattered by the matrixes. The matrixes of the present invention can also be utilized in refractive index matching applications. In other embodiments, semiconductor nanocrystals are embedded within matrixes to form a nanocrystal density gradient, thereby creating an effective refractive index gradient. The matrixes of the present invention can also be used as filters and antireflective coatings on optical devices and as down-converting layers. Processes for producing matrixes comprising semiconductor nanocrystals are also provided.

Abstract: A composite organic EL material suited to flash deposition and a method for producing the same are provided. A composite organic electroluminescence material in which an organic material and an organic metal complex are combined with each other, wherein the melting point of the organic material is lower by 30° C. or more than the decomposition temperature of the organic metal complex.

Abstract: An article of manufacture including reinforcement material embedded in a phosphate cement composition is provided. The phosphate cement composition includes about 10 to 40 percent by weight calcium or magnesium oxide, about 10 to 40 percent by weight acid phosphate, and about 10 to 50 percent by weight vermiculite or perlite or mixture thereof.

Abstract: A bright pigment 100 includes: a flaky substrate 10; a first layer 20 that is formed on the flaky substrate 10 and that contains one selected from the group consisting of titanium dioxide, silver and a silver alloy as its main component; and a second layer 30 that is formed so that the first layer 20 is interposed between the flaky substrate 10 and the second layer 30 and that contains the hydroxide or hydrated oxide of neodymium.

Abstract: Particles with a structural surface which are useful to produce abrasion resistant self-cleaning surfaces contain particulate solid particles having a superstructured overlayer of fine particles. The particles may be prepared by polymerizing a polymerizable siloxane, silane, or mixture thereof in a Pickering emulsion.

Abstract: The composition of this invention is an inorganic oxide particulate comprising at least 10% by weight organic material in which the particulate has an auto-ignition temperature which is at least 20° C. higher than the auto-ignition temperature of the particulate and organic material which does not contain antioxidant and/or inhibitor. Accordingly, a method has been developed in which one is able to elevate the auto-ignition temperature of such organic containing particulates. In a preferred embodiment the method comprises including antioxidant or inhibitor in the organic material prior to combining it with the inorganic oxide.

Abstract: Amphiphilic, magnetic composite particles are comprised of cores and shells. The core contains both hydrophobic vinylic graft copolymer, hydrophobic vinylic homopolymer and magnetic nanoparticles, and the shell to which the hydrophobic vinylic polymer is grafted is a hydrophilic, nitrogen-containing polymer. Typically, the composite particles are made by a process which involves generating radicals on nitrogen atoms of the water-soluble polymer, and then initiating free-radical copolymerization of said vinylic monomer(s) and vinylic-coated magnetic nanoparticles, whereby vinylic polymer(s) undergo(es) phase separation and the vinylic coated magnetic nanoparticles are encapsulated within the vinylic polymer to form a composite latex.

Abstract: A semiconductor nanocrystal capable of emitting blue light upon excitation. Also disclosed are devices, populations of semiconductor nanocrystals, and compositions including a semiconductor nanocrystal capable of emitting blue light upon excitation. In one embodiment, a semiconductor nanocrystal capable of emitting blue light including a maximum peak emission at a wavelength not greater than about 470 nm with a photoluminescence quantum efficiency greater than about 65% upon excitation. In another embodiment, a semiconductor nanocrystal includes a core comprising a first semiconductor material comprising at least three chemical elements and a shell disposed over at least a portion of the core, the shell comprising a second semiconductor material, wherein the semiconductor nanocrystal is capable of emitting blue light with a photoluminescence quantum efficiency greater than about 65% upon excitation.

Abstract: A semiconductor device production method according to the present invention includes the steps of: forming a LOCOS oxide film in a surface of a silicon layer by a LOCOS method; forming an impurity region in the silicon layer by introducing an impurity into the silicon layer; and sequentially removing parts of the LOCOS oxide film and the silicon layer to form a trench for isolation of the impurity region after the formation of the LOCOS oxide film and the impurity region.

Abstract: Novel materials for chromatographic separations, processes for their preparation, and separation devices containing the chromatographic materials. In particular, the novel materials are porous inorganic/organic hybrid monolith materials, which desirably may be surface modified, and which offer more efficient chromatographic separations than that known in the art.

Abstract: The present invention relates to labelled silica-based nanoparticles with enhanced properties, to process for preparing them and to uses thereof.

Abstract: Roofing granules include a core having an average ultraviolet transmission of greater than sixty percent and an average near infrared reflectance of greater than sixty percent and a UV coating layer on the exterior surface. The coating provides UV opacity, while the core provides near infrared reflectance.

Abstract: Provided are a zirconia sintered body that has excellent mechanical characteristics, as well as semiconductivity that can allow static electricity to escape at an appropriate rate, and a manufacturing method that can manufacture the same at lower cost than in the past. The zirconia sintered body is made of 66-90 parts by weight of zirconia that contains a stabilizer, and a total of 10-34 parts by weight of iron, chromium and titanium oxides. Of the iron, chromium and titanium oxides, the proportion of iron oxide is 70-99.5 wt %, the proportion of chromium oxide is 0.4-20 wt % and the proportion of titanium oxide is 0.1-10 wt %. The combined proportion of tetragonal and cubic crystals in the zirconia crystal phase is 90% or more and the mean crystal grain size of the zirconia is 0.3-0.5 ?m. The mean crystal grain size of the iron, chromium and titanium oxides is 0.5-2.0 ?m. It has excellent mechanical characteristics, as well as semiconductivity.

Abstract: Fine particles of a highly porous, low density material in which the pore chambers have been at least partially evacuated and refilled with a gas having a low thermal conductivity, and the obtained particles are encapsulated with a protective, durable coating. The particles are particularly useful as durable thermal insulating material.

Abstract: The glass flake of the present invention has a composition that includes, in terms of mass %, 60<SiO2?65, 8?Al2O3?15, 47?(SiO2—Al2O3)?57, 1?MgO?5, 18?CaO?30, 0<Li2O?4, 0<(Li2O+Na2O+K2O)?4, and 0?TiO2?5, and that is substantially free from B2O3, F, ZnO, BaO, SrO, and ZrO2.

Abstract: A glaze composition which makes it possible that a base material for an inorganic calcined substance containing a lot of vitreous material is glazed without having corrosion. The glaze composition comprises a plastic material, a non-plastic material, and a solvent material, wherein the plastic material comprises at least one material selected from the group consisting of Gairome clay, Kibushi clay, kaolin and talc; the non-plastic material comprises at least one material selected from the group consisting of silica, calcined kaolin, pottery stone, pyrophyllite, pottery shards, chamotte and zircon; and the solvent material comprises at least one material selected from the group consisting of feldspar, lime stone, dolomite, zinc oxide and lithium carbonate.

Abstract: A material for the storage and release of gases comprises a plurality of hollow elements, each hollow element comprising a porous wall enclosing an interior cavity, the interior cavity including structures of a solid-state storage material. In particular examples, the storage material is a hydrogen storage material such as a solid state hydride. An improved method for forming such materials includes the solution diffusion of a storage material solution through a porous wall of a hollow element into an interior cavity.

Abstract: A semiconductor nanocrystal including a core comprising a first semiconductor material comprising at least three chemical elements and a shell disposed over at least a portion of the core, the shell comprising a second semiconductor material, wherein the semiconductor nanocrystal is capable of emitting light with an improved photoluminescence quantum efficiency. Also disclosed are populations of semiconductor nanocrystals, compositions and devices including a semiconductor nanocrystal capable of emitting light with an improved photoluminescence quantum efficiency. In one embodiment, a semiconductor nanocrystal includes a core comprising a first semiconductor material comprising at least three chemical elements and a shell disposed over at least a portion of the core, the shell comprising a second semiconductor material, wherein the semiconductor nanocrystal is capable of emitting light upon excitation with a photoluminescence quantum efficiency greater than about 65%.

Abstract: The invention relates to surface-modified non-halogenated mineral filler compositions comprising a particulate mineral filler core comprising hydroxide groups bound to divalent or trivalent metal ions, said particulate mineral filler core having on its surface (i) one or more short-chain organosilano groups each having one to three silicon-bound short-chain hydrocarbon groups having, independently, one to three carbon atoms, and (ii) one or more long-chain organosilano groups having one to three silicon-bound straight-chained or branched, saturated or unsaturated, long-chain hydrocarbon groups containing, independently, eight to twelve carbon atoms, wherein the long-chain organosilano groups are present in an amount of up to about fifty-five mole percent of combined molar amount of long-chain and short-chain organosilano groups.

Abstract: The present invention relates to a capsule with a core/shell structure, comprising a core which comprises at least one sparingly water-soluble or water-insoluble organic active ingredient, to a method for producing such capsules having a core/shell structure, to the use of the capsules having the core/shell structure and to preparations comprising the capsules having the core/shell structure.

Abstract: The invention relates to expandable polymers and/or polymer granulates of cellulose acetate butyrate (CAB) having an average molecular weight (Mn), determined as polystyrene-equivalent molecular weight by means of gel chromatography, of ?20.000 g/mol and an average butyryl content of cellulose acetate butyrate of ?20 wt. %, preferably ?30 wt. %, and corresponding polymer foams.

Abstract: Solar-reflective roofing granules having deep-tone colors are formed by coating base mineral particles with a coating composition including an infrared-reflective pigment. Color is provided by a colored infrared pigment, a light-interference platelet pigment, or a metal oxide.

Abstract: The present invention provides a porous hollow silica micro- or nanoparticle with a polymer grafted thereon, wherein the polymer is selected from poly(methacrylic acid) and copolymers thereof. The polymer may be covalently linked to the silica particle via a bridging group. Provided is also a method of covalently coupling a poly(methacrylic acid) to a silica surface of a hollow silica particle. The method comprises contacting a silica surface of a hollow silica particle that carries amino functional or halogen functional groups with a poly(methacrylic acid) or a copolymer or a respective monomer thereof. The method further comprises allowing the carboxyl group of the monomer or the poly(methacrylic acid) and an amino functional group or a halogen functional group on the silica surface to undergo a coupling reaction, thereby covalently coupling the polymer to the silica surface.

Abstract: Provided is barium titanate based powder represented by Chemical Formula 1: (BaxR1r1R2r2)(TiyR3r3R4r4)O3??[Chemical Formula 1] wherein R1 is at least one element selected from the group consisting of yttrium (Y) and lanthanoids; R2 is at least one element selected from the group consisting of magnesium (Mg), calcium (Ca) and strontium (Sr); R3 includes phosphorus (P) and niobium (Nb); R4 is at least one element selected from the group consisting of aluminum (Al), vanadium (V), chrome (Cr), manganese (Mn), cobalt (Co), zirconium (Zr) and tantalum (Ta); r1 and r3 independently represent a real number greater than 0 and equal to or less than 0.05; r2 and r4 independently represent a real number greater than 0 and equal to or less than 0.1; and (x+r1+r2)/(y+r3+r4) is a real number ranging from 0.85 to 1.15.

Abstract: There is described a process for depositing carbon on a surface, comprising, while contacting a mixture of CO2 and Br2 with a polar substrate presenting apposed surfaces, exposing a sufficient area of said mixture in the region of said apposed surfaces to light of sufficient intensity and frequency to result in deposition of carbon on at least some of said apposed surfaces. Other embodiments are also described.

Abstract: A microwave-sensitive thermoplastic composition that includes a microwave-receptive additive; and a thermoplastic polymer; wherein the microwave-receptive additive is selected from the group consisting of sepiolite clay, molecular sieves formed from ammonium ion salts or hydrogen ion salts, aluminophosphates, silicoaluminophasphates, silicotitanates, organo-modified clays, molecular sieves or zeolites having a caged organic microwave receptive material, and combinations thereof.

Abstract: The invention relates to non-fouling hydrophobic reflective surfaces for a variety of applications which in one embodiment related to medical device applications comprises a method of performing a medical procedure using a surgical navigation system which includes the steps of placing one or more reflective spheres on a surgical instrument or apparatus, the reflective spheres comprising a hydrophobic coating on a sub-micron structured surface of the spheres, wherein the spheres substantially maintain their reflective properties after the spheres are contacted with a biological fluid; shining light on the reflective spheres; capturing reflected light from the spheres with a camera or other device; and registering and/or tracking a location and/or position of the spheres.

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: Double core-shell fluorescent materials and preparation methods thereof are provided. The double core-shell fluorescent materials include inner core, inner shell coating the inner core and outer shell coating the said inner shell. The inner core is metal particle and the chemical constitution of the inner shell is silicon dioxide. The outer shell is fluorescent powder represented by the following chemical formula: (R1-x, Eux)2O3, wherein R is Y, Gd or combination thereof, 0.02?x?0.1. The double core-shell fluorescent materials with uniform and stable luminous effect not only increase luminous intensity, but also decrease usage amount of fluorescent powder by using metal particle as inner core.

Abstract: The invention relates to a material composed of nanoparticles essentially comprising a spin transition compound. The compound corresponds to the formula [ ( Fe 1 - y ? M y ? L 3 ) w ? L 3 ] [ X 2 x ? ( 1 - z x ? ) ? Y 2 ? ? z x ? ] w in which L represents a 1,2,4-triazole ligand carrying an R substituent on the nitrogen in the 4 position; X is an anion having the valency x, 1?x?2; Y is an anion other than X having the valency x?, 1?x??2; R is an alkyl group or an R1R2N— group in which R1 and R2 represent, each independently of the other, H or an alkyl radical; M is a metal having a 3d4, 3d5, 3d6 or 3d7 configuration, other than Fe; 0?y?1; 0?z?2; 3?w?1500. Applications: thermochromic pigment, data storage, optical limiters, contrast agent.

Abstract: Disclosed are silica particles having a volume average particle size of from about 100 nm to about 500 nm, an average circularity degree of from about 0.5 to about 0.85, and an average value of the ratios of circle equivalent diameters Da of the silica particles obtained by a flat image analysis to maximum heights H of the silica particles obtained by a stereoscopic image analysis of more than 1.5 and less than 1.9.

Abstract: An asphalt-based sheet roofing material includes capsules on its upper surface. When struck, as by hailstones, the capsules break to release a film forming fluid that spreads over the surface to heal the damage created by the hailstones.

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: A method of dry coating oxidizable particles with activating particles. The method includes accreting at least portions of the activating particles onto surfaces of the oxidizable particles by mechanically induced juxtapositions to form composite particles; and abrading the composite particles to more evenly distribute the activating component over surfaces of the activating particles.

Abstract: The present invention discloses a method of synthesizing transition metal nitride by using supercritical ammonia. Transition metal nitride such as vanadium nitride, molybdenum nitride, titanium nitride, nickel nitride, neodymium nitride, iron nitride, etc. can be synthesized in supercritical ammonia with reducing mineralizers such as potassium, sodium, lithium, magnesium, calcium, and aluminum. Since supercritical ammonia has characteristics of both gas and liquid, it can over complicated fine structure or fine particles. The new method is suitable for forming a protective coating on complicated structure or forming micro- to nano-sized particles.

Abstract: An optical element comprising a vacuum-sintered body comprising a plurality of particles each having a two-layer structure comprising a ceramic particle and a coating layer, wherein the ceramic particle comprises LnxAlyO[x+y]×1.5, where Ln represents a rare-earth element, x represents 1?x?10, and y represents 1?y?5, and has an average particle diameter of 1 ?m or more and 10 ?m or less, and wherein the coating layer comprises a ceramic having a lower sintering temperature than a sintering temperature of the ceramic particle.

Abstract: The invention provides a process for the production of a granule of a coated oxidizing compound which granule has good delayed release properties, said process comprising a) providing cores of an oxidizing compound produced by fluidized bed spray granulation, b) spraying on the oxidizing compound cores an aqueous solution of metal sili-cate in a fluidized bed, said aqueous solution comprising at least 15% by weight metal silicate, and c) drying to form a metal silicate coating layer on the oxidizing compound core, provided that the amount of metal silicate coating layer is at least 8%, preferably at least 10% by weight based on the total weight of the granule. The invention also provides such granule and well treatment fluids including such granule, and processes for use.

Abstract: A silicone resin composition containing (i) a silicone resin and (ii) fine metal oxide particles without having a reactive functional group or with a protected reactive functional group on the surface thereof (fine metal oxide particles B), wherein the silicone resin is obtained by carrying out a polymerization reaction between a silicone derivative having an alkoxysilyl group at an end of a molecule and a molecular weight of from 200 to 3000, and fine metal oxide particles having a reactive functional group on the surface thereof (fine metal oxide particles A), and wherein the fine metal oxide particles B are dispersed in the silicone resin (Embodiment 1); a silicone resin.

Abstract: Disclosed are surfacing materials formed from a suitable angular or sub-angular base sand mixture that is coated with a polymer or polymer/oil blend and then combined with short fibers to produce the final surfacing composition. The polymers and polymer/oil blends are selected to reduce temperature dependent viscosity variations in the surfacing materials, thereby providing a more consistent “going” for horses or other livestock being worked on these surfacing materials. Also disclosed are methods of manufacturing such surfacing compositions and methods of using such surfacing compositions in constructing riding venues including, for example, arenas and tracks.

Abstract: A core-shell nanoparticle which includes a core formed of a transparent material and a shell including vanadium dioxide (VO2) doped to have a semiconductor-metal phase transition within a range of 10° C. to 40° C. A ratio of thicknesses of the core to the shell is in a range of 1:1 to 50:1.

Abstract: A phenol-formaldehyde novolac resin having a low concentration of free phenol prepared by distilling residual phenol from a molten novolac resin and replacing at least a portion of the phenol with a solvent having a volatility equal to or less than phenol. Such modified novolac resins are suitable for the production of resin coated molding sands for shell molding and sand cores, as well as for the production of resin coated proppants for use in oil and gas recovery operations.

Abstract: Metallic effect pigments with a platelet-shaped metallic substrate. The pigments have at least one metal oxide layer.