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.

Abstract: A method of manufacturing polymer-coated particles is useful for chemical mechanical polishing magnetic, optical, semiconductor or silicon substrates. First it provides a dispersion of particle cores in a non-aqueous solvent. Then introducing a polymeric precursor into the dispersion to react the polymeric precursor forms a polymer. The polymer coats at least a portion of the surface of the particle cores with the polymer and forms the polymer-coated particles having a solid outer polymeric shell. Substituting the non-aqueous solvent with water forms an aqueous mixture containing the polymer-coated particles. And it forms an aqueous chemical mechanical polishing formulation with the polymer-coated particles without drying the polymer-coated particles.

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: Described is an improved process for producing chemically treated fillers by using a certain combination of functionalizing and hydrophobizing agents in an aqueous suspension of inorganic oxide having a pH of 2.5 or less and increasing the pH of the suspension after chemically treating the filler.

Abstract: The invention relates to grout powder for admixture with water to produce grout. The grout powder comprises cement powder and is characterized in that the grout powder has been mixed with a fluorochemical compound. The present invention further relates to a method of preparing grout powder for admixture with water to produce grout, comprising mixing grout powder comprising cement powder with a fluorochemical compound. Still further, the invention relates to an alternative method for making the grout powder, which method comprises treating at least one of the components of the grout powder with a fluorochemical compound.

Abstract: A method for preparing modified diamond particles for use in chromatography where hydroxyl groups at the diamond surfaces are reacted with a reactive molecule to introduce a desired functional group at the diamond surface.

Abstract: Described is an improved process for producing chemically modified fillers by using a certain combination of functionalizing and hydrophobizing agents in an aqueous suspension of inorganic oxide having a pH of 2.5 or less and increasing the pH of the suspension after chemically treating the filler.

Abstract: Water-dispersible nanoparticles are prepared by applying a coating of a multiply amphipathic dispersant to the surface of a hydrophobic nanoparticle comprised of a semiconductive or metallic material. The multiply amphipathic dispersant has two or more hydrophobic regions and two or more hydrophilic regions, and is typically polymeric. Preferred polymeric dispersants are comprised of (1) a hydrophobic backbone with hydrophilic branches, (2) a hydrophilic backbone with hydrophobic branches, or (3) a backbone that may be either hydrophobic or hydrophilic, and substituted with both hydrophilic and hydrophobic branches. Monodisperse populations of water-dispersible nanoparticles are also provided, as are conjugates of the water-dispersible nanoparticles with affinity molecules such as peptides, oligonucleotides, and the like.

Abstract: The invention relates to a hydrophobically coated molecular sieve which comprises particles having a particle size of 1000 nm or less, the surface of the particles being coated with a silane of the general formula SiR1R2R3R4, and also to a method of producing it and to a method of using it. In addition, the invention relates to use of the coated molecular sieve and also to compositions comprising the molecular sieve and to use in producing apparatus such as, for example, electronic components and devices.

Abstract: A nuclear fuel and a method to produce a nuclear fuel wherein a porous uranium dioxide arrangement is provided, the arrangement is infiltrated with a precursor liquid and the arrangement is thermally treated such the porous uranium dioxide arrangement is infiltrated with a precursor liquid, followed by a thermal treating of the porous uranium dioxide arrangement with the infiltrated precursor liquid such that the precursor liquid is converted to a second phase.

Abstract: An coated particulate is provided with a graphite-impregnated resin coating. The oil field particulates may comprise any of gravel-pack sand, granular betonite, ground Gilsonite, calcium carbonate, glass beads, rock wool, shredded paper, metal spheres, ceramic beads, nut hulls, ground rubber, plastic beads, muscovite mica, calcined petroleum coke, and perlite. The resin may comprise as a binder one or more of a natural, synthetic, water-soluble, and organic resins. More specifically, the resins may comprise an organic film-forming resin such as an alkyd, polyurethane and epoxy. Alternatively, the resin may comprise a film-forming water-soluble polymer, such as a starch, carboxymethyl cellulose, hydroxyethyl cellulose, and xanthan gum. In a further alternative, the resin may comprise a resin-dispersed emulsion, such as a latex or acrylic.

Abstract: Nanoparticles are functionalized for use as bio-imaging probes using a novel, modular approach. Particle surface modification is based on a phosphonate monolayer platform on which was built a multi-segmented, multi-functional film: the first segment provided hydrolytic stability, the second aqueous suspendability, and the third, selectivity for cell attachment. In vitro imaging experiments visualized nanoparticle—cell surface binding. Peptide-derivatized nano-particles were not displaced from cells by soluble peptide. Methods for coating the host particles and use of rare earth ion-doped particles in imaging methods and photodynamic therapy methods are also disclosed.

Abstract: The invention relates to a method for producing barium sulphate having an organically modified surface, barium sulphate produced according to said method and to the use thereof.

Abstract: The present invention is a material and method that enables creation of an in situ pumping action within a matrix or otherwise porous media. This pumping action may be used to move materials, namely fluids, through the matrix or porous media to a gathering point. This pumping action may also be used as a vibrational source, using the movement of the matrix itself as the radiator of vibrational, typically acoustic, energy. This vibrational energy may be used for a variety of purposes.

Abstract: The invention relates to surface-modified nanoparticles composed of metal or semimetal oxides or hydroxides and having been reacted on their surface with a modifier, with formation of covalent bonds. The modifier is a polysiloxane. The invention also relates to a process for preparing the nanoparticles, to their use as fillers in coating materials, plastics, foams and nail varnishes, and to dispersions which comprise the nanoparticles.

Abstract: A method for preparing functionalized porous particles is disclosed, the method comprising contacting a plurality of porous silica particles with water, at least one of an ionic fluoride such as HF or NH4F or a basic activator, and a multifunctional organosilane. Also disclosed are functionalized porous silica particles produced from the methods disclosed herein.

Abstract: There are disclosed polyhedral superparamagnetic nanoparticles and methods for making and using the nanoparticles. There are also disclosed coated and functionalized forms of the nanoparticles, methods of using nanoparticles and methods of treatment using nanoparticles.

Abstract: A thermally and electrically conductive structure comprises a carbon nanotube (110) having an outer surface (111) and a carbon coating (120) covering at least a portion of the outer surface of the carbon nanotube. The carbon coating may be applied to the carbon nanotube by providing a nitrile-containing polymer, coating the carbon nanotube with the nitrile-containing polymer, and pyrolyzing the nitrile-containing polymer in order to form the carbon coating on the carbon nanotube. The carbon nanotube may further be coated with a low contact resistance layer (130) exterior to the carbon coating and a metal layer (140) exterior to the low contact resistance layer.

Abstract: There is provided an organic-inorganic composite material containing a single nanoparticle therein, which is prepared by individually dispersing hydrophilic inorganic nanoparticles having a uniform particle size and conjugating biodegradable polymers to the surface of the nanoparticle, and a method of preparing the same.

Abstract: An article has a surface, at least a portion of which has a local radius of curvature of about 1000 nm or less. For example, the article may be a nanoparticle or a surface, a portion of which has a roughness characterized by a radius of curvature of about 1000 nm or less. A monolayer coating disposed on the surface includes a plurality of ligands organized into ordered domains having a characteristic size of less than or about equal to 10 nm.

Abstract: A core/shell particle which includes a core component that contains a metal, and a shell component that coats the core component, the shell component including a a hydrolysate and/or a partial condensate of a compound represented by the formula “(R)m—A(X)4-m”, wherein R represents a substituted or unsubstituted alkyl group or the like, A represents Si or Ti, X represents a hydroxyl group or the like, and m represents an integer of 1 to 3. Furthermore, a method of producing a core/shell particle is provided.

Abstract: New magnetic materials and new metallic particles, new methods of making and using same, for example, to prepare magnetically modified electrodes and fuel cells, and coated metallic particles in general. The present invention discloses methods of preparation of cheaper and more uniformly sized magnetic and metallic microparticles formed from the exemplary materials magnetite, nickel, samarium cobalt and neodymium iron boron. In addition, the present invention discloses methodology for preparation and use of coated magnetic and metallic microparticles, in particular, exemplary siloxyl coating of magnetic particles, metallic particles, and magnetic and metallic microparticles with an exemplary silane, 3-aminopropyltrimethoxysilane, that is cross linked thereon. In addition, methods and results are described for preparing and using larger siloxyl coated samarium cobalt milliparticles.

Abstract: The invention provides titanium dioxide pigments for plastics resin compositions which are excellent in dispersibility, light resistance, and weather resistance and little cause surface imperfection. In particular, the invention provides a titanium dioxide pigment suitable for general-purpose plastics resin compositions which can attain excellent dispersion and lacing resistance even when blended in a high concentration; a titanium dioxide pigment suitable for engineering plastics resin compositions which can attain dispersion properties, silver streaking resistance, inhibition of reduction in molecular weight, and thermal discoloration resistance at high levels; a process for the production of the pigments; and resin compositions containing the pigments. A titanium dioxide pigment for plastics resin compositions, characterized in that each titanium dioxide particle has a dense hydrous silica coat covering its surface and an organic compound coat formed on the silica coat not through an interlayer.

Abstract: A method for forming a coating of nano-sized material on the surface of another material using a micromachining bead-blasting machine for implantation of nanoparticles is disclosed. The method can be practiced with a wide range of target materials, nanoparticles (such as carbon-nanotubes, CNTs), and environmental conditions, using a wide range of carrier bead sizes and materials, or without carrier beads. The claimed implantation method can be used to fabricate a surface-activated CNT-cathode for use in a field emission device. The implantation method can also be used for chemically reacting any of the materials present near the point of impact with each other.

Abstract: The invention is directed to a thermoplastic condensation polymer chain extender additive package for reducing the molecular weight loss of a thermoplastic condensation polymer during a heated process comprising a chain extender composition selected from the group consisting of (a) a mixture of a chain extending agent and a water-bearing particulate material (b) a water-bearing particulate material surface treated with a chain extending agent or (c) a combination of (a) and (b). The water-bearing particulate material can be titanium dioxide pigment, the chain extending agent can be a multifunctional epoxy compound and the condensation polymer can be polyethylene terephthalate, polybutylene terephthalate or polycarbonate.

Abstract: A process, method and/or system for preparing polymer-coated nanoparticles and/or other ultrafine particles utilizing a supercritical fluid, e.g., supercritical carbon dioxide (SC CO2), as an antisolvent that may be added to a solution of a polymer and an organic solvent in which insoluble nanoparticles or the like are suspended. The coating process occurs when the supercritical fluid (e.g., SC CO2) and the nanoparticle-containing suspension are combined to cause the suspended nanoparticles to precipitate as coated nanoparticles. Processing parameters for optimizing and/or enhancing the efficacy and/or efficiency of the coating process, method and/or system and for controlling the coating and/or agglomeration of coated particles are also described. The process, method and/or system has wide ranging applicability, e.g., for coating and/or encapsulation of pharmaceuticals, cosmetics, food products, chemicals, agrochemicals, pesticides, polymers, coatings, catalysts and the like.

Abstract: Disclosed herein are a surface modifier for metal oxide particles and a method of modifying the surface of metal oxide particles using the same. The surface modifier consists either of an alkylsilanepolyol containing a cyclic alkyl group capable of imparting steric hindrance or of a mixture of said alkylsilanepolyol with alkylalkoxysilane, and the method of modifying the surface of metal oxide particles comprises coating the surface modifier on the hydrophilic surface of the metal oxide particles through chemical bonding so as to impart hydrophobicity or amphiphilicity (hydrophilicity and hydrophobicity) and reactivity to the surface of the metal oxide particles.

Abstract: There is disclosed articles for and methods of confining volatile materials in the void volume defined by crystalline void materials. In one embodiment, the hydrogen isotopes are confined inside carbon nanotubes for storage and the production of energy. There is also disclosed a method of generating various reactions by confining the volatile materials inside the crystalline void structure and releasing the confined volatile material. In this embodiment, the released volatile material may be combined with a different material to initiate or sustain a chemical, thermal, nuclear, electrical, mechanical, or biological reaction.

Abstract: A process for making a reduced size oxidant particle is provided. The process forms reduced sized oxidant particles by feeding a coating material and oxidant particles of an initial size into a mill. The coating material may be oleophilic, hydrophobic, siliphilic, hydrocarbon soluble, or a combination thereof. The oxidant particles are then milled, reducing the particle size of the oxidant particles. During the milling step, the coating coats a substantial portion of each reduced sized oxidant particle reducing reagglomeration during the milling step. Optionally, the oxidant particles produced by the process of the instant invention are encapsulated. Alternatively or additionally, the oxidant particles may be placed in suspension. An outermost encapsulant may be substantially non-reacting, impermeable and non-dissolving with water. The oxidant particles formed by the process of the present invention may be placed directly into or in the path of the contaminant(s) in the environmental media to be treated.

Abstract: The present invention relates to novel, organically modified aerogels, uses thereof, and a process for producing them in which a) a hydrogel is introduced as an initial charge, b) the hydrogel obtained in step a) is subjected to surface modification, and c) the surface-modified gel obtained in step b) is dried. The present invention additionally relates to novel, organically modified wet gels, to a process for producing them, and to their use.

Abstract: An apparatus and method for forming catalyst particles to grow nanotubes is disclosed. In addition, an apparatus and method for forming nanotubes using the catalytic particles is also disclosed. The particles formed may have different diameters depending upon how they are formed. Once formed, the particles are deposited on a substrate. Once deposited, the mobility of the particles is restricted and nanotubes and/or nanotube portions are grown on the particles. Nanotube portions having different diameters may be formed and the portions may be connected to form nanotubes with different diameters along the length of the nanotube.

Abstract: A sheet comprising thermoplastic polymer (TP) and short high tensile modulus fibers, in which the concentration of TP in the middle of the sheet is higher than at the surface of the sheet, useful for making prepregs with a thermoset resin.

Abstract: There is provided a stable sol of zirconium oxide-tin oxide composite colloidal particles and a method of producing the same, a hard coat material applied for a surface of a plastic lens, and an optical member. The present invention relates to a sol comprising zirconium oxide-tin oxide composite colloidal particles (A), wherein a molar ratio of oxide in the zirconium oxide-tin oxide composite colloidal particles (A) is 0.02-0.4 as SnO2/ZrO2, and the zirconium oxide-tin oxide composite colloidal particles (A) have a structure in which zirconium oxide colloidal particles and tin oxide colloidal particles are bonded together, and a primary particle diameter of 2-100 nm; and also relays to a coating composition comprising a silicon-containing substance (S) of an organic silicon compound or a hydrolysate thereof, and a sol comprising zirconium oxide-tin oxide composite colloidal particles (A), and an optical member having a cured coating formed from the coating composition.

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: Silicon-titanium mixed oxide powder produced by flame hydrolysis, which consists of aggregates of primary particles, with a BET surface area of 90±15 m2/g, a titanium dioxide proportion of 50±8 wt. % and an anatase/rutile ratio of 60:40 to 70:30. It is produced in that a mixture of silicon halide, titanium halide, hydrogen and primary air is ignited in a burner and the flame is burned into a reaction chamber closed off from the surrounding air, and secondary air and a gas, which increases the temperature in the reaction chamber by combustion and/or which slows down the cooling in the reaction chamber because of low heat transfer, are additionally introduced into the reaction chamber. It can be used in toner compositions.

Abstract: Metallic particles for electrokinetic or electrostatic deposition, and a method for making such particles, comprising metallic particle bodies, an organic acid film on the particle bodies, and a charge director adhered to the organic acid film.

Abstract: Metallic nanoparticles coated with a mixed monolayer with well defined thickness or length are prepared. The mixed monolayer comprises a capture coating component useful for the specific capture of materials and a shielding coating component for elimination of non-specific binding of materials to the capture component.

Abstract: A method for preparing particles to retain a charge such that the particles are rendered electrostatically or electrokinetically mobile. The method involves coating the particles with a coating medium which facilitates attachment of a charge director material, and contacting the particles with the coating medium thereon with a charge director medium to impart a positive or negative charge thereto and thereby render the particles electrostatically or electrokinetically mobile. Electrostatically and electrokinetically mobile particles for use in an electrostatic or electrokinetic deposition process. The particles include a coating medium and a charge director on particle bodies.

Abstract: A process for the formation of particles of a target material is disclosed, comprising: (i) introducing the target material into a particle formation vessel, and forming a continuous liquid surface of the target material in the particle formation vessel, and an interface between said liquid surface of the target material and additional gaseous contents of said particle formation vessel; (ii) introducing a stream of cryogenic material including solid particles of cryogenic material into the particle formation vessel and into contact with the target material in a liquid state below the continuous liquid surface; (iii) allowing rapid volumetric expansion of the cryogenic material into a gaseous state while in contact with the target material in a liquid state, and release of the expanded gaseous cryogenic material through the continuous liquid surface, and forming liquid droplet particles of the target material; and (iv) collecting the formed particles of the target material.

Abstract: The present invention relates to oxidation-stable iron oxide pigments which have a coating of at least one organic substance, to their preparation and to their use.

Abstract: The invention relates to polyfunctional polymer networks comprising an assembly of cross-linked polymer subchains attached to a surface, with each polymer subchain comprising a multitude of identical or different repeating units carrying one or more functional groups which allows an interaction with a sample or probe molecule.

Abstract: The present invention relates to oxidation-stable iron oxide pigments which have a coating of at least one organic substance, to their preparation and to their use.

Abstract: An object of the present invention is to provide coated fine particles with a uniform particle size, having stable crystals on the surface, and to provide colored fine particles which exhibit good color development. A recorded image formed by a dispersion and an ink, using the coated fine particles, is provided with good color development and fastness. The present invention provides coated fine particles comprising fine particles as cores, the fine particles having a crystal layer on the surface, respectively.

Abstract: Modified and functionalized metallic nanoclusters capable of providing an enhanced Raman signal from an organic Raman-active molecule incorporated therein are provided. For example, modifications include coatings and layers, such as adsorption layers, metal coatings, silica coatings, and organic layers. The nanoclusters are generally referred to as COINs (composite organic inorganic nanoparticles) and are capable of acting as sensitive reporters for analyte detection. A metal that enhances the Raman signal from the organic Raman-active compound is inherent in the nanocluster. A variety of organic Raman-active compounds and mixtures of compounds can be incorporated into the nanocluster.

Abstract: A pigment formulation in granule form obtainable by a) dispersing at least two different pigments (A) in a solution of a thermoplastic polymer (B) in an organic solvent in the presence or absence of a dispersant (C), and b) applying as a layer the dispersion produced in step a) to granules of a thermoplastic polymer (B?), which is the same as the polymer (B), with removal of the solvent, wherein the pigment formulation includes the granules of the thermoplastic polymer (B?); and a coating on the granules of the thermoplastic polymer (B?), where the coating comprises the at least two different pigments (A) and the thermoplastic polymer (B).

Abstract: The invention provides a Fe—Cr alloy structure containing Cr of about 6% or more by mass but about 25% or less by mass, having a corrosion-resistant paint film containing metal powder having ionization tendencies greater than iron, with a content of the metal powder of about 20% or more by volume but about 60% or less by volume in a dry paint film, with a dry film thickness of about 5 ?m or more but about 100 ?m or less; and a manufacturing method thereof; whereby excellent corrosion resistance and excellent adhesion is provided.

Abstract: The first subject of this invention is a column packing material comprising: a silica gel having a silanol group; a first chemical modification group which is bound to said silanol group; a silicone polymer for coating the surface of said silica gel; and, a trimethylsilyl group which is bound to the silanol group on said silicone polymer and/or the silanol group on said silica gel.

Abstract: A method of producing substantially spherical lyogels in water insoluble silylating agents is provided. The present invention refers to a method of producing substantially spherical lyogels in which a) a lyosol is provided, b) the lyosol obtained in step a) is transferred to at least one silylating agent in which the lyosol is insoluble, and c) the spherical lyosol formed in step b) is gelatinised in at least one silylating agent in which the lyosol is likewise insoluble, to produce the lyogel.

Abstract: Magnetic particles each including particulate magnetic material and a readily decomposable or easily soluble polymer coating layer containing a reactive component, the coating layer being disposed on the surface of the magnetic material; and a method for producing a reaction product by use of the magnetic particles. Employment of the magnetic particles of the present invention allows solid phase reaction to proceed efficiently and attains an easy recovery of reaction product.

Abstract: An inorganic/organic composite material which is advantageous in physical characteristics (mechanical strength), chemical characteristics (thermal stability) and electric characteristics (electric conductivity), as compared with a sole system, as being compounded in nano order. An improved energy storage device using the inorganic/organic composite nano-beads, and especially an improved electrochemical capacitor for covering the range of a power energy density which cannot be achieved with devices of the prior art. A method of producing the inorganic/-organic composite nano-beads. The inorganic/organic composite nano-beads have a three-dimensional structure in which nuclei are made of an inorganic material having a particle diameter of nano order and a high electronic conductivity, and are covered with thin films of an organic conductive material.