Abstract: A method of producing core/shell composite nano-particles exhibiting superior characteristics, by using as cores nano-particles heat treated in advance so as to give them a specific crystal structure in a state using a barrier layer to prevent sintering and forming shells on their surface, which eliminates hindrances to the shell forming reaction due to the phase transfer catalyst or other strongly sticky dispersant, is provided.

Abstract: A method for forming micro-particles is provided. The method includes the steps of: —providing a first solution which includes at least an anion; —providing a second solution which includes at least a cation; —mixing the first solution with the second solution in presence of at least a first compound for forming porous templates, wherein the porous templates are formed by precipitation of a salt which includes the anion and the cation and wherein the first compound is at least partially incorporated in the porous templates; and—at least partially cross-linking the first compound in the porous templates.

Abstract: Barium sulfate particles having an average particle diameter d50 of from 0.1 to 10 ?m which are produced by precipitation can be dispersed better if they are covered with at least one organic additive.

Abstract: A system for producing multi-component colloidal structures has a supply system; an assembly system that is in fluid connection with the supply system to receive a supply of colloidal structural components from the supply system; and an output system in fluid connection with the assembly system. The assembly system has an assembly chamber adapted to contain colloidal structural components during assembly of a multi-component colloidal structure and is structured and arranged to control positions and orientations of first and second c structural components in the assembly chamber to bring the first and second colloidal structural components together in predetermined relative positions and orientations for assembly into at least a portion of the multi-component colloidal structure.

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: The present invention is to provide hollow particles with a low degree of agglomeration and having a high roundness, and a process for producing them. Hollow particles comprising a silicon compound, having an average particle size of from 5 to 65 nm and an average roundness of at least 0.90, and having a shell comprising the silicon compound and having a thickness of from 1 to 20 nm. Further, a method for producing hollow particles, which comprises adding sulfuric acid to a liquid containing spherical organic polymer-silicon compound composite particles having a core comprising an organic polymer and a shell comprising a silicon compound in a medium containing at least 95 mass % of water, followed by heating to carbonize the organic polymer thereby to convert it to a carbide, and subjecting the carbide to decomposition using a liquid oxidizing agent other than sulfuric acid.

Abstract: Particles having a non-uniform property, such as non-uniform charge, can be used to form complex yet controlled particle assemblies. In one method of fabrication, particles are located on a substrate, and a surface treatment applied to the exposed portion of the particle surface. The surface treatment modifies the particle properties within the exposed portion. One or more lithographed regions are not exposed to the surface treatment, providing spatial selectivity in inter-particle bonding after the particles are removed from the substrate.

Abstract: The method of the present invention can 1) produce spherical and scaly ultrafine particles without pulverization, 2) obtain spherical ultrafine particles having a sharp spherical particle diameter distribution without requiring a sieving step, 3) produce spherical ultrafine particles extremely approximating a true circle and possessing a particle diameter of 100 nm˜50,000 nm allowing selection of a size suitable for the particular purpose of use and 4) produce spherical ultrafine particles on a commercial scale at low cost. There is also provided spherical ultrafine particles produced by the above production process. The spherical ultrafine particles of the present invention are characterized by a form having circularity of 0.9 to 1.0 and a particle diameter of 0.01 ?m to 10 ?m without pulverization. The spherical ultrafine particles can be produced by the method of the present invention using as a nozzle a base having special through holes and hole density.

Abstract: The invention relates to the use of at least one viscous compound, the viscosity of which is greater than 5 Pa·s?1, to substantially prevent the degradation of a substance sensitive to temperatures of 20° C. to 100° C. and/or pressures of 106 to 107 Pa and/or a relative humidity of 60% to 100%, contained in a powder composition, the powder composition containing particles including: a core containing the sensitive substance and at least one viscous compound as impregnating agent for the sensitive substance and a coating for the core, which contains at least one viscous compound as sticking agent.

Abstract: The molding thermoplastic polymer, which can solve a problem with fine particles in a suspension polymerization process, a problem for a reduction in energy consumption at the time of drying in an emulsion polymerization process, and a problem in compounding procedures for processors. The invention relates to molding thermoplastic polymer particles comprising 100 parts by weight of suspension polymer particles having a glass transition temperature of 60° C. or more and an average particle diameter of 50 to 500 ?m produced by suspension polymerization, the said suspension polymer particles being coated with 5 (inclusive) to 22 (exclusive) parts by weight of an emulsion polymer produced by emulsion polymerization.

Abstract: Methods of manufacturing hot mix on site utilizing a composition of discrete substances that are capable of being mixed together to form a composite material are disclosed. The composition includes a plurality of pellets of a tacky, deformable material at an ambient temperature dispersed within a flowable fine material. Stone aggregate is placed in a mixing chamber that has been moved within proximity of the location where the hot mix is to be used. At least a portion of the stone aggregate is heated in the mixing chamber to a temperature sufficient to soften the pellets of the tacky, deformable material. The composition of discrete substances is added into the mixing chamber. The mixture of the composition of discrete substances and the stone aggregate is agitated until the pellets of a tacky, deformable material soften and uniformly coat the stone aggregate.

Abstract: The present invention provides new compositions containing nearly monodisperse colloidal core/shell semiconductor nanocrystals with high photoluminescence quantum yields (PL QY), as well as other complex structured semiconductor nanocrystals. This invention also provides new synthetic methods for preparing these nanocrystals, and new devices comprising these compositions. In addition to core/shell semiconductor nanocrystals, this patent application also provides complex semiconductor nanostructures, quantum shells, quantum wells, doped nanocrystals, and other multiple-shelled semiconductor nanocrystals.

Abstract: The present invention is directed to a process for coating a substrate in a rotating drum, wherein a pocket is created in a substrate bed into which pocket coating materials are delivered. Also provided is a controlled release product produced according to this process, and an apparatus for carrying out the process.

Abstract: A formulation and method of use for eliminating the use of hexa in shell sand encapsulation is disclosed. The composition of matter consists of standard novalac resins with the hexa component replaced by solid granular resole or curing agent. The preferred formulation and method of compounding is given. Trace elements of ammonia, phenol and the like are further reduced by the addition of a preferred 50:50 mix of an ammonia buffer and masking agent. The preferred compounds for the ammonia buffer and masking agent mix are given.

Abstract: The invention provides a coated particle, as well as a method for the preparation thereof and a material or object in which such a particle is applied. The particle consists of a core material and a coating layer. The core material is a homogeneous composition of a salt hydrate and an additive chemical. The salt hydrate provides to the particle its specific technical properties and the additive chemical is chemically bound to the coating layer. The composition of the coating layer is, dependent on the application, mainly determined by the applications and the raw chemicals used.

Abstract: A pyrogenic oxidic powder composed of particles, comprising (i) atoms of an element of groups 3A, 4A, 3B or 4B of the periodic table of the elements, and (ii) oxygen atoms, said particles being characterized by lithium atoms attached to said atoms via an oxygen bridge.

Abstract: A method of uniformly dispersing a nano powder throughout a micron powder. Ordinary mixing or agitation does not succeed in attaining uniform dispersal: the nano powder agglomerates into microscopic masses. In one form of the invention, a charge of a micron powder, with fifty weight percent of charge of nanopowder is loaded into a ball mill. The mixture is ball milled for less than two hours, at room temperature in a dry condition, and produces a highly uniform distribution of the nano powder throughout the micron powder.

Abstract: A method of reducing the build up of ice or snow on roads. The method comprising mixing a solid de-icing material such as rock salt with a non brine additive solution such as an aqueous solution of a refined molasses stream. The de-icing material and additive solution being carried on a lorry 10, and being mixed immediately prior to spreading on a road.

Abstract: A composition includes a carbon nanotube (CNT)-infused carbon fiber material that includes a carbon fiber material of spoolable dimensions and carbon nanotubes (CNTs) infused to the carbon fiber material. The infused CNTs are uniform in length and uniform in distribution. The CNT infused carbon fiber material also includes a barrier coating conformally disposed about the carbon fiber material, while the CNTs are substantially free of the barrier coating. A continuous CNT infusion process includes: (a) functionalizing a carbon fiber material; (b) disposing a barrier coating on the functionalized carbon fiber material (c) disposing a carbon nanotube (CNT)-forming catalyst on the functionalized carbon fiber material; and (d) synthesizing carbon nanotubes, thereby forming a carbon nanotube-infused carbon fiber material.

Abstract: Coated carbon nanotubes coated with 0.01-100 parts by weight of at least one type of aromatic condensation polymer selected from the group consisting of wholly aromatic polyamides, wholly aromatic polyesters, aromatic polyester carbonates, aromatic polycarbonates, semi-aromatic polyesters and wholly aromatic azoles, with respect to 100 parts by weight of the carbon nanotubes, as well as a process for their production. Aromatic condensation polymer compositions comprising 0.01-100 parts by weight of the coated carbon nanotubes and 100 parts by weight of an aromatic condensation polymer, and molded articles formed using them.

Abstract: Magnetic polymer microbeads and a method for preparing the same are provided. The method for preparing the magnetic polymer microbeads includes the following steps: preparing polymer particles; immersing the polymer particles into a solution in order to swell the polymer particles; adding magnetic nanoparticles to the solution and allowing the magnetic nanoparticles to enter an interior of the polymer particles; and separating the polymer particles from the solution, wherein the polymer particle is made of polystyrene, or a copolymer containing styrene, and the solution includes a medium polar solvent. The average particle size of the magnetic polymer microbeads of the present invention ranges from submicrons to microns. The magnetic polymer microbeads of the present invention have high magnetization, and the various functional groups can be introduced onto the surfaces thereof.

Abstract: Porous and/or curved nanofiber bearing substrate materials are provided having enhanced surface area for a variety of applications including as electrical substrates, semipermeable membranes and barriers, structural lattices for tissue culturing and for composite materials, production of long unbranched nanofibers, and the like. A method of producing nanofibers is disclosed including providing a plurality of microparticles or nanoparticles such as carbon black particles having a catalyst material deposited thereon, and synthesizing a plurality of nanofibers from the catalyst material on the microparticles or nanoparticles. Compositions including carbon black particles having nanowires deposited thereon are further disclosed.

Abstract: Particles having a non-uniform property, such as non-uniform charge, can be used to form complex yet controlled particle assemblies. In one method of fabrication, particles are located on a substrate, and a surface treatment applied to the exposed portion of the particle surface. The surface treatment modifies the particle properties within the exposed portion. One or more lithographed regions are not exposed to the surface treatment, providing spatial selectivity in inter-particle bonding after the particles are removed from the substrate.

Abstract: A method of coating nanoparticles comprising subjecting nanoparticles, a coating precursor and one or more reagents to shear, wherein the coating precursor and the one or more reagents react to provide a coating on the nanoparticles.

Abstract: Freeze indicators can include an indicator dispersion, a liquid medium, indicator particles dispersed in the liquid medium and a particulate inorganic nucleating agent to inhibit supercooling of the liquid medium. The inorganic nucleating agent can have an ionic surface coating which can help provide a sharp end point. Optionally, freeze indicators can include indicator particles comprising an organic material and a softener to soften the indicator particles and provide the freeze indication with an enhanced visual appearance. Another option is to provide a temperature-sensitive stabilizer to inhibit coagulation of the indicator dispersion at temperatures above the liquid medium frozen state melting point while permitting coagulation of the indicator dispersion at the liquid medium frozen state melting point.

Abstract: The present invention relates to particles having a functional multilayered structure based on substrates, characterized in that the substrates are coated with one or more layers of one or more polymers and one or more layers of one or more silanes, process for the production thereof, and the use thereof.

Abstract: A core/shell structured powder different in composition between the inside the particle and the surface thereof before sintering, so that it is possible to sinter the powder at lower temperature and give a core/shell structured powder having a shell portion uniform in thickness after sintering; a multilayered ceramic capacitor having a longer lifetime, by preparing the multilayered ceramic capacitor by using a powder having a core/shell structure different in composition between the inside the particle and the surface thereof before sintering; and a method of producing a powder by synthesizing particles in the liquid containing a raw material, wherein particles different in composition at least between the inside the particle and the surface thereof are obtained by adding a composition to be incorporated as a component of the particles to the liquid during the synthetic process so that the composition of the liquid changes continuously or intermittently.

Abstract: The present invention provides a method of coating the surface of an inorganic powder comprising; (a) providing an alcohol solution of an alcohol-soluble metal salt and an alcohol solution of an amine compound; and (b) mixing and stirring the two alcohol solutions with an inorganic powder and water, thereby coating the surface of the inorganic powder with a metal hydroxide produced from the alcohol-soluble metal salt. The inorganic powders coated with metal oxide manufactured according to the present invention exist independently without substantial agglomeration, and the metal oxide coating is deposited substantially only on the surface of the inorganic powder with uniform thickness without substantial clustering among the inorganic powders. Consequently, when a Ni electrode layer is prepared using the titanium oxide coated Ni powders manufactured according to the present invention, not only quality but also yield of MLCC can be improved.

Abstract: An ingestible tablet (10), e.g. of a medicament, is enrobed to produce a tamper-evident coating by vacuum forming a film (40, 46) of material, preferably hydroxypropyl methyl cellulose, onto the surface of the tablet.

Abstract: The invention discloses two kinds of vacuum coating plotting methods, one of which includes the following steps: (1) prepare glass embryo body; (2) pre-treat the internal surface of the part of such glass embryo body to be plotted for plotting; (21) prepare the membrane with hollowing pattern and adhere it on the embryo body; (22) spray a wax layer evenly on the said membrane and surface of the embryo body to cover the said hollowing pattern; (23) remove the said membrane; (3) perform vacuum coating to the embryo body and produce a coating layer on the surface of the glass embryo body; (4) hollow out the part for plotting and remove the wax layer sprayed on the said tape by heating and plot it. The invention still provides special device to realize the said vacuum coating plotting method and products coming from the said method and device.

Abstract: A press fabric for a machine for the production of web material, especially paper or cardboard, includes a carrying structure and at least one layer of fibrous material on one web material contact side of the carrying structure, whereby at least some of the fibers of the at least one layer of fibrous material are coated at least partially with a film of a first polymeric material and whereby a permeable composite structure is formed by a second polymeric material in the at least one fibrous layer, in that the hollow spaces which are formed between fibers of the at least one fibrous layer are filled partially with the second polymeric material.

Abstract: A new method to produce solid nanocrystalline cellulose (NCC) films containing patterns by differential heating of aqueous suspensions of NCC has been discovered. When acid-form NCC suspensions are dried by heating to temperatures above 50° C., darkening of the NCC can occur, while neutral forms of NCC can produce iridescent chiral nematic films by heating to temperatures up to 105° C. Placing materials of different thermal conductivity beneath the container containing an evaporating NCC suspension results in watermark-like patterns of different iridescent colour imprinted within the film structure. Other colloidal rod-like particles can be employed in place of nanocrystalline cellulose (NCC), for example chitin or chitosan.

Abstract: A pharmaceutical pellet is disclosed, comprising a spherical core containing active ingredient with a smooth surface and a coating on the core which controls the release of the active ingredient in a pH-independent manner. With such a pellet the release of the active ingredient can follow a profile with a lag phase of 60 minutes to 840 minutes, a proportion of 5 wt. % or less of the active ingredient being released during the lag phase. The active ingredient can furthermore be released from the pellet with a profile such that after the lag phase the release of the active ingredient amounts to between 3 and 25 wt. % per hour.

Abstract: Layers of a passivating material and/or containing luminescent centers are deposited on phosphor particles or particles that contain a host material that is capable of capturing an excitation energy and transferring it to a luminescent center or layer. The layers are formed in an ALD process. The ALD process permits the formation of very thin layers. Coated phosphors have good resistance to ambient moisture and oxygen, and/or can be designed to emit a distribution of desired light wavelengths.

Abstract: The present invention relates to functional organic particles having functional nanoparticles dispersed in an organic polymeric matrix, wherein the distribution of the functional nanoparticles is increased in the direction toward increasing the particle diameter from the center of the functional organic particles, and to a method for preparing the same.

Abstract: A process of preparation of an antimicrobial powder coating composition comprising the steps: a) transforming a natural antimicrobial agent into a salt-form and micronizing the resulting antimicrobial salt into powder, b) mixing at least one of the natural antimicrobial salt together with at least one amino-reactive thermoplastic binder resin, c) subjecting the mixture to a melt compounding process at a temperature in a range of 80 to 230° C., at a residence time period in a range of 5 to 60 seconds, using at least one co-rotating twin-screw extruder with a soft screw design having conveying elements offering a high D/d ratio and having mixing forward kneading block elements, d) cooling the extrudate, and e) micronizing into powder particles. The process forms a powder coating composition containing a natural antimicrobial agent which results in high quality antimicrobial coatings showing a homogeneous distribution of the antimicrobial agent in the coating and a stable antimicrobial activity.

Abstract: An energy supply system which includes an energy generation part, a hydrogen supply part (2), and a treatment part (5). The energy generation part is supplied with hydrogen and oxygen and generates energies. The hydrogen supply part (2) generates hydrogen through the reaction of water (23) contained in the gas discharged from the energy generation part with a hydrogen-generating substance (21) disposed in an inner part of the supply part (2). The hydrogen-generating substance (21) comprises magnesium. In the treatment part (5), the hydroxide compound (22) resulting from the reaction of the water (23) with the hydrogen-generating substance (21) is supplied to a gas and carbon dioxide contained in the gas is reacted with the hydroxide compound (22) to obtain a carbonate compound (24) and water as a reaction product.

Abstract: A process for producing water-absorbing polymeric particles by dropletization polymerization in the gas phase, which comprises drying the polymeric particles after the polymerization in a fluidized bed, the water-absorbing polymeric particles themselves, hygiene articles comprising these water-absorbing polymeric particles and also apparatus for implementing the process.

Abstract: A set of nanoparticles is disclosed. Each nanoparticle of the set of nanoparticles is comprised of a set of Group IV atoms arranged in a substantially spherical configuration. Each nanoparticle of the set of nanoparticles further having a sphericity of between about 1.0 and about 2.0; a diameter of between about 4 nm and about 100 nm; and a sintering temperature less than a melting temperature of the set of Group IV atoms.

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: The present invention includes compositions, devices and methods for filling structures of high aspect ratio elements for growth amplification and device fabrication. A method includes a method of filling a structure comprising the steps of providing one or more structures, each structure having a plurality of high aspect ratio elements, wherein the aspect ratio is at least 5; and coating the plurality of high aspect ratio elements with at least one solidifying material produced by a form of chemical vapor deposition thereby forming a structured-film. Compositions of the present invention are solid formed structures that are less fragile, do not require such delicate handling to avoid serious degradation, are more stable, last longer, do not deform, and exhibit little stress as well as improved properties that include mechanical, chemical, electrical, biologic, and optical.

Abstract: Mixing of a sample containing a suspect bioagent or antigen with 1° recognition molecule coated magnetic beads in the preliminary stage of an enzyme linked immunoassay (“ELISA”) procedure is emulated by first inserting the coated magnetic beads into a non-magnetic confinement region, generating a magnetic field B along the axis of said non-magnetic confinement region to agglomerate the coated magnetic beads into a porous mass; then percolating or otherwise forcing the sample solution through said porous mass; and withdrawing the magnetic field to de-agglomerate said coated magnetic beads. In seeping or otherwise flowing through the magnetic beads the molecules of the sample link to respective magnetic beads that are coated with recognition molecules.

Abstract: The invention relates to a method for impregnating a support matrix with solid and/or liquid compounds using a compressed gas or a compressed mixture of gases at densities ranging from 0.15 to 1.3 kg/l and at least two unsymmetrical pressure changes (pulsations). The method is further characterized in that both a multitude of impregnating substances such as biologically active compounds, technical materials or metal-organic compounds, as well as support matrices of biological origin and organic or inorganic substances can be used that have large inner surfaces and/or inner surfaces that are difficult to access.

Abstract: Luminescent inorganic nanoparticles comprising: (a) a core made from a first metal salt or oxide being surrounded by (b) a shell made from a second metal salt or oxide being luminescent and having non-semiconductor properties. These nanoparticles can be advantageously used in (fluorescence) resonance energy transfer ((F)RET)-based bioassays in view of their higher (F)RET efficiency.

Abstract: A process for producing a water-absorbent resin particle comprising subjecting a water-soluble ethylenically unsaturated monomer to a reverse phase suspension polymerization, characterized in that the process for producing a water-absorbent resin particle comprises the steps of (A) subjecting the water-soluble ethylenically unsaturated monomer to a first-step reverse phase suspension polymerization in a hydrocarbon-based solvent using a water-soluble radical polymerization initiator in the presence of a surfactant and/or a polymeric protective colloid, and optionally an internal crosslinking agent; (B) carrying out at least one step of the procedures of adding an aqueous solution of a water-soluble ethylenically unsaturated monomer containing a water-soluble radical polymerization initiator and optionally an internal crosslinking agent to a reaction mixture after the termination of the first-step reverse phase suspension polymerization in a state that the surfactant and/or the polymeric protective colloid is

Abstract: A particle composite for incorporation in a finish coating includes particles having various sizes from 0.01-10 ?m and encased by at least one layer containing a coating mass. The particles are chemically fixable and have substantially the same function on the surface as that in the host matrix of the finish layer. Methods for producing the particle composite are disclosed, wherein hyperstructures leading to an enhancement of the oil- and dirt-repellent effect are formed by the combination of smaller and larger particles.

Abstract: A method is described for the manufacture of semiconductor nanoparticles. Improved yields are obtained by use of a reducing agent or oxygen reaction promoter.

Abstract: A method of preparing composite materials by (a) containing particulates to which an adhering material is to be made to adhere, in a rotary body having a bottom surface and a side wall; (b) rotating the rotary body so as to apply centrifugal forces to the particulates in the rotary body; and (c) varying the inclination of the rotary body to an arbitrary inclination angle in the range from an angle at which the bottom surface of the rotary body forms a horizontal surface perpendicular to the direction of gravity to an angle at which the bottom surface forms a vertical surface parallel to the direction of gravity, and supporting the rotary body at the arbitrary inclination angle

Abstract: The present invention relates to ink jet printing ink consisting of an independently dispersed metal ultrafine particles-containing liquid dispersion in which the metal ultrafine particles having a particle size of not more than 100 nm are independently and uniformly dispersed and which is excellent in characteristic properties required for ink. The ink is used in the printing or the formation of conductive circuits using an ink jet printer.

Abstract: A method of forming a particle-rod nanostructure is disclosed. The method comprises preparing a mixture comprising an inorganic nanoparticle and an organic molecule in a solvent. The method further comprises spin-coating the mixture to nucleate a crystal growth of the organic molecule on the inorganic nanoparticle deposited on a substrate, yielding the particle-rod nanostructure.