Abstract: Expanded polystyrene particles having a polyvinyl acetate resin-based functional skin layer, and a process thereof are provided. The particle includes an inner expanded polystyrene layer; and a functional skin layer. The inner expanded polystyrene layer is formed by heating and expanding an expandable polystyrene bead or pellet, and the functional skin layer is formed by coating the surface of the inner expanded polystyrene layer with a functional coating composition having 10 to 99 wt % of a vinyl acetate based polymer and 0.1 to 90 wt % of at least one functional additive.

Abstract: A nanocrystal capable of light emission includes a nanoparticle having photoluminescence having quantum yields of greater than 30%.

Abstract: Granule comprising an agglomerate of particles of a mineral substance. The agglomerate is coated with a monolithic outer layer, which provides it with improved abrasion resistance. Powder comprising granules according to the invention. Process for manufacturing the powder according to the invention, which includes an agglomeration step and a coating step.

Abstract: The invention is a composite resin particle useful as an additive for paints or coatings, powder coatings, cosmetic additives, slush molding resins, spacer for electronic part assembly, standard particles for electric measurement devices, toner, hot melt adhesive as well as other molding materials. Said composite resin particle comprises a resin microparticle (A) depositing on the surface of a resin particle (B) wherein the shape factor (SF-1) of said composite resin particle is 115 to 800. It is also a composite resin particle comprising a resin microparticle (A) depositing on the surface of a resin particle (B) wherein the acid vale of a resin (b) constituting the resin particle (B) is 5 to 100.

Abstract: A method of using a pellet composed of an aggregate of distinct beads of a chromatography media. The pellet is coherent and capable of being rapidly hydrated on addition of water to form a gel wherein said beads are swollen and substantially uniformly dispersed in the water phase and a combination of the a ligand with the chromatography media.

Abstract: A process for producing an ultrafine mixed-crystal oxide characterized by producing an ultrafine mixed crystal oxide comprising primary particles in a mixed crystal state with a BET specific surface area of 10 to 200 m2/g, comprising the step of subjecting a halogenated metal to high temperature oxidation with an oxidizing gas to produce a metal oxide by a vapor phase production method, wherein said halogenated metal is in the form of a mixed gas (a mixed halogenated metal gas) comprising at least two compounds having a different metal elements selected from the group consisting of chlorides, bromides, and iodides of titanium, silicon, and aluminum, and said mixed halogenated metal gas and said oxidizing gas are independently preheated to 500° C. or more prior to a reaction, a ultrafine mixed crystal oxide obtained by the process, and use of the oxide.

Abstract: A nanocomposite optical plastic article has a plastic host material with a temperature sensitive optical vector (x) and a core shell nanoparticulate material dispersed into the plastic host material. The core shell nanoparticulate material is characterized by a core defined by a nanoparticulate material which has a temperature sensitive optical vector (x1) and a shell defined by a coating material layer coated onto the core. It is important to the invention that temperature sensitive vector (x1) is directionally opposed to the temperature sensitive optical vector (x) and nshell<nplastic host<ncore.

Abstract: Polyfunctional silicon compounds of one of the following formula: in which N-PG is a nitrogen containing function group. Also, such compounds bound to substrates for use as chromatography packing.

Abstract: The present invention relates to a method of producing a magnetic particle including forming a layer containing an alloy particle that can form a CuAu-type or Cu3Au-type hard magnetic ordered alloy phase on a support, oxidizing the layer, and annealing the layer in a non-oxidizing atmosphere. The invention also relates to a method of producing a magnetic particle including producing an alloy particle that can form a hard magnetic ordered alloy phase, oxidizing the alloy particle, and annealing the particle in a non-oxidizing atmosphere, and a magnetic particle produced by the foregoing production method. Further, the invention relates to a magnetic recording medium comprising a magnetic layer containing a magnetic particle and a method of producing a magnetic recording medium including forming a layer containing an alloy that can form the foregoing hard magnetic ordered alloy phase, oxidizing the layer, and annealing the layer in a non-oxidizing atmosphere.

Abstract: Tellurium-containing nanocrystallites are produced by injection of a precursor into a hot coordinating solvent, followed by controlled growth and annealing. Nanocrystallites may include CdTe, ZnTe, MgTe, HgTe, or alloys thereof. The nanocrystallites can photoluminesce with quantum efficiencies as high as 70%.

Abstract: Provided are magnesium hydroxide particles having a hexagonal crystal form and having an aspect ratio (H) which satisfies the following expression (I), 0.45·A·B<H<1.1·A·B??(I) (wherein H is an aspect ratio, A is an average secondary particle diameter (?m) of all of the particles measured by a laser diffraction scattering method and B is a specific surface area (m2/g) of all of the particles measured by a BET method), a flame-retardant comprising the particles, a flame-retardant resin composition comprising 100 parts by weight of a synthetic resin and a 5 to 300 parts by weight of the magnesium hydroxide particles, and a molded article therefrom. The magnesium hydroxide particles are hexagonal single crystals, the hexagonal form thereof are not necessarily required to be regular hexagonal, and the size thereof are not necessarily constant.

Abstract: An anti-fogging tray is obtained by coating a styrenic resin sheet with an anti-fogging agent to mold a tray. The anti-fogging agent comprises 1 to 50 parts by weight of a non-ether-series hydrophilic polymer excluding a polyvinyl alcohol (e.g., a polyvinylpyrrolidone), 5 to 150 parts by weight of an ether-series hydrophilic polymer (e.g., polyoxyethylene-polyoxypropylene block copolymer, and a nonionic surfactant having an oxyethylene unit), and 1 to 50 parts by weight of a silicone oil relative to 100 parts by weight of a polyhydric alcohol fatty acid ester (e.g., a sucrose fatty acid ester, a polyglycerin fatty acid ester). A coating layer comprising a surface-treating agent may be formed on one side of the resin sheet, and a mold-releasing layer containing a component selected from the ether-series hydrophilic polymer and the silicone oil may be formed on the other side of the resin sheet.

Abstract: Glass formulations, and a method of converting such glass formulations to glass beads having a refractive index of at least 1.59 and a high level of retroreflectivity, are provided. The methods and formulations provide beads also having high levels of resistance to degradation by environmental exposure.

Abstract: A producing process of amino resin crosslinked particles includes the step of curing an emulsion of an amino resin precursor and an emulsifier in the presence of a catalyst, the amino resin precursor being a product of a reaction of an amino compound with formaldehyde, so as to prepare amino resin particles, the step of neutralizing the suspension of the amino resin particles after the curing step, and the step of heating the suspension in a temperature range of 130° C. to 230° C. after the neutralizing step. The amino resin crosslinked particles thus prepared by the condensation of the amino compound and formaldehyde generate formaldehyde in an amount of not more than 1000 ppm in a pyrolysis test and have a characteristic that a Hunter whiteness is not less than 85 percent.

Abstract: A material has a mass of powder particles. The mass of powder particles includes controlled binary macrosegregated powder particles made of at least two constituent elements. Each controlled binary macrosegregated powder particle has a chemically binary structure wherein the chemical composition varies from one side to the other side of the powder particle. The controlled binary macrosegregated powder particles may be used in applications which conventionally employ homogeneous powder particles, such as paints, solar cells, and the like. A paint uses as its pigment the controlled binary macrosegregated powder particles whose compositions are within the chemical system Zn(Al,Ga)2O4, and an inorganic or organic binder. The controlled binary macrosegregated powder particles are made by chemical synthesis at temperatures below those conventionally used to prepare homogeneous particles.

Abstract: A moisture-resistant electroluminescent phosphor is provided wherein the individual phosphor particles have a first coating of an inorganic moisture-resistant coating and a second coating of an organic moisture-resistant coating. The process for making the moisture-resistant phosphor comprises applying a first layer of an inorganic moisture-resistant coating to individual particles of an electroluminescent phosphor to form a first-coated phosphor, substantially isolating said first-coated phosphor from contact with atmospheric oxygen and moisture, and applying a second layer of an organic moisture-resistant coating to the first-coated phosphor to form a second-coated phosphor.

Abstract: A process for manufacturing multilayer pellets having a core-sheath structure with a molding material forming a sheath which covers the outer circumference of another molding material forming a core, which includes (a) supplying the core material and the sheath material to a die extruder having multiple extrusion-forming parts arranged along a circumference, (b) extruding multiple multilayer strands from the extrusion-forming parts by covering around the outer circumference of the core material concentrically with the sheath material, and (c) cutting the extruded multilayer strands to manufacture multilayer pellets.

Abstract: Combustible core-shell particles have a nitro-resin core that is covered by an addition polymer shell in a weight ratio of from 20:1 to 0.2:1 (core:shell). The shell polymer is derived from one or more ethylenically unsaturated polymerizable monomers that are represented by the following Structure I: CH2?C(R)-X??(I) wherein R is hydrogen or methyl, and X is any monovalent moiety except a phenyl group. These combustible core-shell particles are particularly useful in thermal imaging materials such as “direct-write” printing plate precursors.

Abstract: There is disclosed a microwave absorbing structure which comprises a non-conductive matrix within which are embedded a plurality of spatially-separated ferro- or ferri-magnetic particles, each of which particles has a largest dimension no greater than 100 nm, said particles having been prepared by a process which includes a step in which the particles are formed within an organic macromolecular shell.

Abstract: The present invention relates to a particulate, linear, sheet-like or three-dimensional structure comprising, at least on its surface, a hydrophilicizing amount of at least one acylated polyamine, where at least some of the polyamine nitrogen atoms bear acyl radicals of the formula I R1—CO—??(I) where R1 is hydrogen, C1–C27-alkyl, C7–C27-alkenyl or C6–C10-aryl, and where the alkyl, alkenyl and aryl groups may bear at least one substituent selected from the class consisting of hydroxyl, alkoxy, alkoxycarbonyl and NE1E2, where E1 and E2 may be identical or different and are hydrogen, alkyl or acyl, to the use of acylated polyamines for modifying the surface properties of solids, and also to a process for modifying the surface properties of particulate, linear, sheet-like, or three-dimensional structures.