Abstract: An elastomer blend is made by admixing fluoroelastomer and fluorinated silicone polymer (with optional filler and/or conductive particulate) into a polymeric admixture in weight ratios to provide a low vaporous hydrocarbon permeation rate and high thermal strain value in thermally robust elastomer cured from the blend. The blend is of especial use for making gaskets for use in high stress conditions at elevated operating temperatures.

Abstract: Disclosed herein are a nanocrystal-polydimethylsiloxane composite and a method for preparing the same. More specifically, provided are a nanocrystal-polydimethylsiloxane composite in which one or more polydimethylsiloxane derivatives having urea cross-links are bound to the surface of a nanocrystal, and a method for preparing the same. The nanocrystal-polydimethylsiloxane composite comprises optically transparent polydimethylsiloxane with remarkably high durability, thus imparting improved luminescence efficiency and product reliability to various electronic devices, when applied as a luminescent material to the electronic devices.

Abstract: In various aspects provided are methods for producing a nanoparticle within a cross-linked, collapsed polymeric material, said method including (a) providing a polymeric solution comprising a polymeric material; (b) collapsing at least a portion of the polymeric material about one or more precursor moieties; (c) cross-linking the polymeric material; (d) modifying at least a portion of said precursor moieties to form one or more nanoparticles and thereby forming a composite nanoparticle. In various embodiments, a non-confined nanoparticle can be produced by complete pyrolysis of the confined nanoparticle, and a carbon-coated nanoparticle by incomplete pyrolysis of the confined nanoparticle.

Abstract: The invention relates to a transparent conductor provided with a base comprising a first a resin, a conductive layer comprising conductive particles and a second resin, and an intermediate layer composed of a third resin formed between the base and the conductive layer, wherein the glass transition temperature Tg of the intermediate layer is lower than the Tg of the conductive layer.

Abstract: Process for preparing a dispersion of surface-modified silicon dioxide particles having an average particle diameter of not more than 100 nm by high-pressure milling of a preliminary dispersion comprising a) 10% to 50% by weight of surface-modified silicon dioxide particles, b) at least one glycol monoether of the general formula (A): H3C(CH2)m—O—(CH2)n—[O—(CH2)o]p—OH, c) at least one carboxylic ester of the general formula (B): H2x+1Cx—O—CH2—(CHR)—[O—CHR]y—O—C(?O)—CzH2z+1, d) the molar ratio A/B being 10:90 to 40:60 and m, n, o, p, x, y and z being independent of one another. Dispersion obtainable by this process. Process for producing granules of surface-modified silicon dioxide particles by separating off the liquid phase of the dispersion. Granules obtainable by this process. Use of dispersion and granules in coating materials.

Abstract: Provided are fine particle dispersion liquid containing tantalum oxide fine particles each having a small crystallite size and uniformly dispersed in an organic solvent, a tantalum oxide fine particle-resin composite, and a method of producing the dispersion liquid. The method of producing a fine particle dispersion liquid containing tantalum oxide fine particles includes: preparing a mixture of the tantalum oxide fine particles, a basic compound, a surface modifier, and an organic solvent; and subjecting the mixture to a dispersion treatment.

Abstract: Block copolymer particles, and related compositions and methods, are disclosed.

Abstract: Provided is a modified blowing agent, wherein the surface of a blowing agent powder is coated with a metallic siloxylated compound. When the modified blowing agent is included in a polymer resin, dispersibility of the modified blowing agent is excellent in the polymer resin and fluidity of the polymer resin is improved in an extrusion molding machine and an injection molding machine, and thus productivity and processability can be improved. In addition, the foam that is formed using the polymer resin composition including the modified blowing agent has excellent tear strength, durability, and masking sound properties due to fine and uniform size of foam cells and increased number of foam cells per unit surface area.

Abstract: Colloidal nanocrystal quantum dots comprising an inner core having an average diameter of at least 1.5 nm and an outer shell, where said outer shell comprises multiple monolayers, wherein at least 30% of the quantum dots have an on-time fraction of 0.80 or greater under continuous excitation conditions for a period of time of at least 10 minutes.

Abstract: Provided are a functional reinforcing filler and a method of preparing the same, and more particularly, a functional reinforcing filler including inorganic particles having a surface modified by an organic silanepolyol obtained by hydrolyzing an organic alkoxysilane compound and a method of preparing the sane. The functional reinforcing filler has hydrophobicity and reactivity. If the functional reinforcing filler is used to prepare rubber, a coupling agent is not required, and the rubber does not emit volatile organic compounds (VOCs). In particular, a tire prepared using the functional reinforcing filler may have low rolling resistance and excellent wet traction.

Abstract: The invention provides a thermally foamable microsphere having a structure with a foaming agent encapsulated in a shell formed of a polymer, wherein the shell contains an organosilicon compound, and a process for producing a thermally foamable microsphere having a structure with a foaming agent encapsulated in a shell formed of a polymer by suspension polymerization of a polymerizable mixture containing at least a foaming agent and a polymerizable monomer in an aqueous dispersion medium, wherein the polymerizable mixture is suspension polymerized in the presence of the organosilicon compound.

Abstract: Novel material for chromatographic separations, processes for its preparation, and separations devices containing the chromatographic material. In particular, the disclosure describes porous inorganic/organic hybrid particles having a chromatographically-enhancing pore geometry, which desirably may be surface modified, and that offer more efficient chromatographic separations than that known in the art.

Abstract: Disclosed herein is a coated particle comprising a substrate comprising an inorganic material, wherein the inorganic material comprises silica and alumina in a silica to alumina weight ratio of about 2.2 to about 5; and wherein the inorganic material has a bulk density of less than or equal to about 1 g/cm3; and a coating disposed upon the substrate. Disclosed herein too is a method of treating a subterranean formation comprising injecting a fracturing fluid into the subterranean formation; wherein the fracturing fluid comprises an inorganic particle that comprises silica and alumina in a silica to alumina weight ratio of about 2.2 to about 5; and wherein the inorganic particle has a bulk density of less than or equal to about 1 g/cm3.

Abstract: To provide resin-coated sand for a multilayer mold in which the consolidation strength of the casting mold obtained by using it and gas permeability thereof are improved at the same time, the amount of occurrence of pyrolytic products (tar, soot and the like) derived from organic substances is effectively inhibited, when molding is performed using such a casting mold, and further, the casting mold after molding can exhibit excellent collapsibility. Disclosed is resin-coated sand for a multilayer mold, in which surfaces of refractory particles are coated with a binder composition containing a phenolic novolak resin having an ortho/para bond ratio of methylene groups of 1.5 or more and an aromatic amine as indispensable constituents, and the grain fineness number is from 80 to 150.

Abstract: A process of preparing spherical nano-sized core/shell silica particles, including providing a latex polymer dispersion comprising particles of a liquid dispersible starting polymer in a dispersion liquid, adding at least one functionalized monomer to the latex polymer dispersion and polymerizing the at least one functionalized monomer on the particles, and growing an outer silicate shell on the particles through addition and reaction of at least one silane monomer.

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: A metal oxide-based fine particle includes a metal oxide-based core region; an intermediate region formed on the outer periphery of the core region, the intermediate region having an alkoxyorganosiloxane condensate structure; and a surface region including an organic molecular chain or an organic silicon molecular chain or a reactive functional group.

Abstract: The present invention provides a chiral inorganic-organic composite porous material in which cationic chiral organic molecules are present as charge-balancing cations in a porous material containing charge-balancing cations, as well as a method for preparing the same by an ion exchange process. The chiral inorganic-organic composite porous material according to the present invention is excellent in stability, selectivity and durability, and thus, will be useful as a chiral-selective catalyst or a material of separating an isomeric mixture.

Abstract: Embolic compositions and methods of delivering the compositions are disclosed. In some embodiments, the embolic compositions include a shape memory material.

Abstract: Water-swellable compositions, dispersions and polymer microparticles for their preparation as well as their manufactures and uses are described.

Abstract: Surface-modified, doped, pyrogenically produced oxides surface-modified with one or several compounds from the following groups: a) Organosilanes of the type (RO)3Si(CnH2n+1), (RO)3Si(CnH2n?1) b) R?x(RO)ySi(CnH2n+1), (RO)3Si(CnH2n+1) c) X3Si(CnH2n+1), X3Si(CnH2n?1) d) X2(R?)Si(CnH2n+1), X2(R?)Si(CnH2n?1) e) X(R?)2Si(CnH2n+1), X(R?)2Si(CnH2n?1) f) (RO)3Si(CH2)m—R?, g) (R?)x(RO)ySi(CH2)m—R?, h) X3Si(CH2)m—R?, i) (R)X2Si(CH2)m—R?, j) (R)2XSi(CH2)m—R?, k) Silazanes of the type l) Cyclic polysiloxanes, m) Polysiloxanes or silicone oils.

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: Dark colored roofing granules include an inert base particle coated with a composition including a metal silicate, a non-clay latent heat reactant, and a dark colored but solar reflective prigment.

Abstract: Method for producing a nanoparticle comprised of core, first shell and second shell semiconductor materials. Effecting conversion of a core precursor composition comprising separate first and second precursor species to the core material and then depositing said first and second shells. The conversion is effected in the presence of a molecular cluster compound under conditions permitting seeding and growth of the nanoparticle core. Core/multishell nanoparticles in which at least two of the core, first shell and second shell materials incorporate ions from groups 12 and 15, 14 and 16, or 11, 13 and 16 of the periodic table. Core/multishell nanoparticles in which the second shell material incorporates at least two different group 12 ions and group 16 ions. Core/multishell nanoparticles in which at least one of the core, first and second semiconductor materials incorporates group 11, 13 and 16 ions and the other semiconductor material does not incorporate group 11, 13 and 16 ions.

Abstract: A process for modification, in particular for surface modification of an organophilic clay material, encompassing the following steps: a) provision of a dry, pulverulent, organophilic clay material (component a); b) provision of at least one additive (component b) for modification of component a); c) intensive mixing of components a) and b) in a high-shear mixing assembly, where no water or solvent is added or used for addition of component b).

Abstract: A method of producing nanoparticles comprising effecting conversion of a nanoparticle precursor composition to the material of the nanoparticles, the precursor composition comprising a first precursor species containing a first ion to be incorporated into the growing nanoparticles and a second precursor species containing a second ion to be incorporated into the growing nanoparticles, said conversion being effected in the presence of a molecular cluster compound under conditions permitting seeding and growth of the nanoparticles.

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

Abstract: A material composition for play or modelling purposes includes a particulate material and a binder which is disposed as thin layers on the particles. T-he binder includes a hydroxy-terminated polymer cross-linked by a boron compound, in particular a silicone oil. The concentration of particles is 90-98 vol % of the finished composition. A method for producing the material composition includes placing the particles in a mixer, adding the hydroxyl-terminated polymer, in particular silicone oil, and distributing it as thin layers on the surfaces of the particles and, thereafter, adding a boron-containing cross-linking agent in solution and mixing so that a cross-linking of the polymer takes place and the viscosity increases.

Abstract: A combination of for surface treating powder is disclosed. The combination comprises a mixture of an organopolysiloxane (I) and organopolysiloxane (II), a mixture of an organopolysiloxane (I) and acryl/silicone copolymer (III) or a mixture of an organopolysiloxane (I), organopolysiloxane (II) and acryl/silicone copolymer (III) as defined herein. The organopolysiloxane (I) is represented by the following formula (1) R1a(OR2)bSiO(4-a-b)/2 with the subscripts “a” and “b” and groups R1 and R2 defined herein. The organopolysiloxane (II) is represented by the formula R3cR4dR5eSiO(4-c-d-e)/2 with the subscripts “c”, “d” and “e” defined and groups R3 and R4 defined herein, and group R5 being a silicone compound residue of the formula as defined herein.

Abstract: The invention relates to an electrodeposited metal layer on a substrate with embedded particles, especially inorganic particles, which have a silicate coating, and to the use of such layer for coating machine parts.

Abstract: One aspect of the invention is to provide a composition comprising a titanium dioxide particle having on the surface of said particle a substantially encapsulating layer comprising a pyrogenically-deposited metal oxide; said substantially encapsulating layer having on its surface at least one organic surface treatment material selected from an organo-silane, an organo-siloxane, a fluoro-silane, an organo-phosphonate, an organo-acid phosphate, an organo-pyrophosphate, an organo-polyphosphate, an organo-metaphosphate, an organo-phosphinate, an organo-sulfonic compound, a hydrocarbon-based carboxylic acid, an associated ester of a hydrocarbon-based carboxylic acid, a derivative of a hydrocarbon-based carboxylic acid, a hydrocarbon-based amide, a low molecular weight hydrocarbon wax, a low molecular weight polyolefin, a co-polymer of a low molecular weight polyolefin, a hydrocarbon-based polyol, a derivative of a hydrocarbon-based polyol, an alkanolamine, a derivative of an alkanolamine, an organic dispersing age

Abstract: The invention includes embodiments that relate to a method of improving the abrasion resistance of a plastic article. The method comprises: (a) providing a composition comprising at least one e-beam active nanoparticle compound and at least one thermoplastic polymeric material; (b) forming an article from the composition of step (a); and (c) exposing the article formed in step (b) to an electron beam source. The invention also includes embodiments that relate to an article comprising an abrasion resistant surface.

Abstract: A film forming composition with spreading properties derived from an aqueous emulsion comprising (I) colloidal silica core/silicone shell particles consisting of (a) 90 wt % to 10 wt % cores of colloidal silica and (b) 10 wt % to 90 wt % shells of polyorganosiloxane; (II) a polyalkyleneoxide modified trisiloxane; (III) an emulsifier package consisting of at least one anionic surfactant, and (IV) the salt of an acidic polymerization catalyst. The composition may include optional ingredients useful in Personal Care, Hair Care, Skin Care, Agricultural, and Home Care applications.

Abstract: A pearlescent pigment comprising a substrate and a first layer, wherein the first layer comprises iron oxide, wherein the iron has from about 1% to about 30% Fe(II) and from about 70% to about 99% Fe(III). A process for making these pearlescent pigment, comprise reducing a metal oxide substrate with a hydrogen source in the presence of a noble metal catalyst in a liquid medium. The pigments may be used in a variety of applications including cosmetics, plastics, automotive or architectural coatings.

Abstract: Provided are nanofunctional silica particles having excellent functionality and quality, and capable of being mass-produced at low costs. According to the present invention, there are provided nanofunctional silica particles including a coating layer containing one or more silica compounds selected from the group consisting of mercaptopropyl trimethoxysilane (MPS), mercaptopropyl triethoxysilane (MPES), mercaptopropyl methyldimethoxysilane (MPDMS), trimethoxy[2-(7-oxabicyclo[4.1.0]-hept-3-yl)ethyl]silane (EpoPS), thiocyanatopropyl triethoxysilane (TCPS), acryloxypropyl trimethoxysilane (ACPS), and aminopropyl trimethoxysilane (APS); and functional particles in the coating layer, and being used in imaging, assay, diagnosis, treatment or the like, medicine or bioresearch.

Abstract: A reactive organo-modified inorganic particle. Inorganic particles are modified with functional groups through chemical bonding, ionic bonding, hydrogen bond or complex formation. The functional groups of organo-modified inorganic particle can react with monomer or oligomer of biodegradable materials to facilitate crosslinking and functionalization, thus improving physical properties of the inorganic particle-biodegradable hybrid materials.

Abstract: A thermal spraying powder contains granulated and sintered particles of an yttrium-aluminum double oxide formed by granulating and sintering raw-material particles. The crushing strength of the granulated and sintered particles is 15 MPa or more, and 10% particle size of the granulated and sintered particles is 6 ?m or more. The thermal spraying powder is suitable for use in forming a thermal spray coating through plasma spraying.

Abstract: A thermal spray powder contains particles composed of an oxide of any of the rare earth elements having an atomic number of 39 or from 59 to 70. The crushing strength of the particles is 80 MPa or greater. The ratio of bulk specific gravity to true specific gravity of the thermal spray powder is 0.15 or greater. The particles are preferably granulated and sintered particles. The average particle size of primary particles constituting the granulated and sintered particles is preferably 6 ?m or less.

Abstract: A process for producing an absorbent polymer structure (Pa) by treating the outer portion of an untreated absorbent polymer structure (Pu1). The process includes the step of bringing the outer portion of the untreated absorbent polymer structure (Pu1) into contact with an aqueous solution including at least one chemical cross-linker and at least one inorganic compound in dispersed colloidal form. The process also includes the step of heating the absorbent polymer structure, of which the outer portion has been brought into contact with the aqueous solution, at a temperature within a range from about 40 to about 300° C., so that the outer portion of the absorbent polymer structure is more strongly cross-linked in comparison to the inner portion and the inorganic compound is at least partly immobilized in the outer portion of the absorbent polymer structure.

Abstract: Materials, apparatuses, methods, and systems for isolating and identifying mixture components on the basis of isoelectric point (“pI”). In one aspect, the materials are particles adapted to have a predetermined isoelectric point. The particles include a porous body into which a plurality of cavities extend. A substance of a predetermined isoelectric point is deposited in the cavities to provide thereby the particle's isoelectric value.

Abstract: The present invention relates to compounds and markers for surface-enhanced Raman scattering (SERS), and methods for the preparation of the SERS markers. The present invention further relates to compositions, methods and uses, wherein the present SERS markers are employed.

Abstract: Particles of metal and non-metal oxides may be readily functionalized with organosilyl groups, even in the absence of catalysts, when methylene-spaced alkoxysilanes are used for functionalizing. When an excess of alkoxy groups relative to metal-OH groups are present, the resulting functionalized particles exhibit high reactivity, particularly upon exposure to moisture. Functionalization is particularly useful with particles of organopolysiloxane resins.

Abstract: A thermoplastic resin composition which comprises (A) 40 to 98 mass % thermoplastic resin and (B) 60 to 2 mass % titanium oxide particles whose surface has been coated with a hydrous oxide and/or oxide of at least one metal selected from the group consisting of aluminum, silicon, zirconium, tin, cerium, titanium, and zinc, wherein the titanium oxide particles contain 80 to 97 mass %, excluding 97 mass %, titanium oxide ingredient and have total content of alkali metal cations and alkaline earth metal cations extractable with pure water of 120 mass ppm or lower. The resin composition is excellent in reflectance and thermal stability in residence during molding into large products.

Abstract: A particle stabilised high internal phase emulsion comprising an internal phase, a continuous phase and particles comprising a core and a coating, wherein the wettability of the core is modulated by the coating.

Abstract: Hydrophobic inorganic fine particles are provided which: does not cause melt adhesion of toner to a photosensitive member and contamination of a contact charging member; imparts excellent flowability, charging performance and durability to toner even after the toner is stored in a high-temperature, high-humidity environment over a long time period; and does not cause dripping of toner and contamination with the toner. The hydrophobic inorganic fine particles are obtained by subjecting inorganic fine particles to surface treatment with silicone oil and then with a silane compound and/or a silazane compound, or by subjecting inorganic fine particles to surface treatment with a silane compound and/or a silazane compound in the presence of silicone oil, and further subjecting the inorganic fine particles thus surface-treated to surface treatment with silicone oil.

Abstract: A pattern having exceptionally small features is formed on a partially fabricated integrated circuit during integrated circuit fabrication. The pattern comprises features formed by self-organizing material, such as diblock copolymers. The organization of the copolymers is directed by spacers which have been formed by a pitch multiplication process in which spacers are formed at the sides of sacrificial mandrels, which are later removed to leave spaced-apart, free-standing spacers. Diblock copolymers, composed of two immiscible block species, are deposited over and in the space between the spacers. The copolymers are made to self-organize, with each block species aggregating with other block species of the same type.

Abstract: Alkoxy-modified silsesquioxane compounds are described. The alkoxy-modified silsesquioxane compounds contain an alkoxysilane group that participates in an alkoxysilane-silica reaction as a silica dispersing agent in rubber, with the release of zero to about 0.1% by weight of the rubber of volatile organic compounds (VOC), especially alcohol, during compounding and further processing. Further described are methods for making alkoxy-modified silsesquioxanes, methods for making vulcanizable rubber compounds containing alkoxy-modified silsesquioxanes, vulcanizable rubber compounds containing alkoxy-modified silsesquioxanes, and pneumatic tires comprising a component that contains alkoxy-modified silsesquioxanes.

Abstract: Provided are organic silicon oxide fine particles which can be formed into a porous film having a dielectric constant and mechanical strength expected as a high-performance porous insulating film and having excellent chemical stability, and a preparation method thereof.

Abstract: A stationary phase for a liquid chromatograph and process for making is provided. The stationary phase material may have a modified base substrate and a fluorinated carboxylic acid covalently bonded thereto through an amide or ester bond. The stationary phase may have a substantially consistent shape selectivity characteristic with an ?TBN/BaP of less than 1 within a temperature range of at least 10-70° C. Advantageously, a fluorinated stationary phase has a shape selectivity characteristic exhibited with an ?TBN/BaP of less than 1 with a mobile phase having up to at least 30% water. A process for making the stationary involves mixing a substrate material or fluorinated carboxylic acid with a reactive alkylsilane linker and at least one organic solvent to form a first solution. The other of the substrate material or fluorinated carboxylic acid is then added to the first solution, or to a product separated from the first solution, to form a second solution.

Abstract: Granules based on silicon dioxide and having the properties: Average grain size: 10 to 120 ?m BET surface area: 40 to 400 m2/g Pore volume: 0.5 to 2.5 ml/g Pore size distribution: less than 5% of the total pore volume exists of pores with a diameter < 5 nm, rest meso- and macropores pH value: 3.6 to 8.5 Tapped density: 220 to 700 g/l They are prepared by dispersing silicon dioxide in water, spray drying, optionally heating and/or silanizing. Whereas a pyrogenic silicon dioxide powder with a BET surface area of 30 to 90 m2/g, a DBP index of 80 or less, a mean aggregate area of less than 25000 nm2 and a mean aggregate circumference of less than 1000 nm, wherein at least 70% of the aggregates have a circumference of less than 1300 nm or a high-purity pyrogenically prepared silicon dioxide having metal contents of less than 0.