Abstract: A composition and process for reducing contaminants from water which includes use of a water-insoluble adsorbent having a surface area of at least about 10 m2/g, where the adsorbent is coated with a water-soluble metal salt.

Abstract: Glass-ceramics exhibiting a Vickers indentation crack initiation threshold of at least 15 kgf are disclosed. These glass-ceramics may be ion exchangeable or ion exchanged. The glass-ceramics include a crystalline and amorphous phases generated by subjecting a thin precursor glass article to ceramming cycle having an average cooling rate in the range from about 10° C./minute to about 25° C./minute. In one or more embodiments, the crystalline phase may comprise at least 20 wt % of the glass-ceramics. The glass-ceramics may include ?-spodumene ss as the predominant crystalline phase and may exhibit an opacity?about 85% over the wavelength range of 400-700 nm for an about 0.8 mm thickness and colors an observer angle of 10° and a CIE illuminant F02 determined with specular reflectance included of a* between ?3 and +3, b* between ?6 and +6, and L* between 88 and 97.

Abstract: A method of forming a near-net shape structure comprises forming a structure comprising non-stoichiometric metal oxide comprising at least one metal and less than a stoichiometric amount of oxygen, and electrochemically reducing the non-stoichiometric metal oxide in an electrochemical cell to form a structure having a near-net shape and comprising the at least one metal having less than about 1,500 ppm oxygen. Related methods of forming a non-stoichiometric metal oxide by sintering, annealing, or additive manufacturing, and forming a near-net shape structure from the non-stoichiometric metal oxide, as well as related electrochemical cells are also disclosed.

Abstract: The present disclosure provides an aerogel composition which is intrinsically hydrophobic without surface modification by a hydrophobizing agent, is durable and easy to handle, which has favorable performance in aqueous environments, and which also has favorable combustion and self-heating properties. Also provided is a method of preparing an aerogel composition which is intrinsically hydrophobic without surface modification by a hydrophobizing agent, is durable and easy to handle, which has favorable performance in aqueous environments, and which has favorable combustion and self-heating properties.

Abstract: A method for preparing a monolithic nanoporous silicate sol-gel material for modulating the pore size distribution for one single starting composition without the addition of a structuring agent. The method includes the following steps: a) synthesising a gel from at least one organosilylated precursor, the synthesis being carried out in an aqueous medium, optionally including an organic solvent and without a structuring agent, and b) drying the gel obtained in step a) at a temperature between 10° C. and 70° C., preferably between 15° C. and 55° C. and more preferably between 20° C. and 40° C., in a gas flow in a drying chamber to obtain a monolithic nanoporous silicate sol-gel material and a residual relative humidity in the drying chamber of between 0.1 and 20%, preferably between 0.5 and 10% and more preferably about 5%.

Abstract: A glass-ceramic comprising, in weight percent on an oxide basis, of 50 to 70% SiO2, 0 to 20% Al2O3, 12 to 23% MgO, 0 to 4% Li2O, 0 to 10% Na2O, 0 to 10% K2O, 0 to 5% ZrO2, and 2 to 12% F, wherein the predominant crystalline phase of said glass-ceramic is a trisilicic mica, a tetrasilicic mica, or a mica solid solution between trisilicic and tetrasilicic, and wherein the total of Na2O+Li2O is at least 2 wt. %; wherein the glass-ceramic can be ion-exchanged.

Abstract: The present invention provides a method for producing a porous silicone sheet comprising a freezing step of freezing a wet gel of a porous silicone body having communicating pores and a three-dimensional network silicone skeleton which forms the pores and which is formed by a copolymerization of a bifunctional alkoxysilane and a trifunctional alkoxysilane, to obtain a frozen body, a sheet forming step of forming the frozen body into a sheet to obtain a porous silicone sheet, and a cleaning step of cleaning the porous silicone sheet. According to the method of the present invention, a porous silicone body from which impurities have been sufficiently removed can be produced. In the course of the production, occurrence of fracture of a wet gel can be effectively prevented.

Abstract: Provided is a method for recycling supercritical waste liquid generated during a process of producing a silica aerogel blanket, and a method for producing a silica aerogel blanket reusing supercritical waste liquid recycled thereby. The method for recycling supercritical waste liquid and the method for producing a silica aerogel blanket reduce the production costs and prevent the deterioration in thermal insulation performance of a silica aerogel blanket by adding a metal salt to the supercritical waste liquid by the recycling method.

Abstract: Catalyst particles and methods for making same are disclosed herein. The catalyst particles can include a ceramic support containing silica and alumina. The ceramic support can have a macropore concentration of about 15% to about 45%, a mesopore concentration of about 20% to 50%, and a micropore concentration of about 8% to about 30% based on the total pore volume of the ceramic support. The ceramic support can also have a surface area of about 0.5 m2/g to about 50 m2/g. The catalyst particles can have a long term permeability at 7,500 psi of at least about 10 D in accordance with ISO 13503-5.

Abstract: The present invention provides a nanostructured titanic acid salt and a preparation process and use thereof. The process comprises preparing a dispersion containing titanium peroxy complex; slowly adding a metal compound to the dispersion containing the titanium peroxy complex to form a solution; adding an alcohol to the solution under normal temperature and normal pressure to produce the nanostructured titanic acid salt precursor precipitate in the solution, and separating the precipitate to obtain the titanic acid salt precursor; drying the precursor, and then heat treating it to obtain the nanostructured titanic acid salt product. The present invention provides a process for preparing a titanic acid salt with simple preparation process, easy control for process parameters and easy large-scale industrial production.

Abstract: An optical material including: a silica host; and a Praseodymium dopant; wherein the Praseodymium atoms are configured to form nanoclusters in the silica host. In addition, the optical material may include an Ytterbium co-dopant. The nanoclusters include Ge, Te, Ta, Lu and/or F, Cl to minimize multi-phonon quenching. Moreover, the nanoclusters may be encapsulated in a low phonon energy shell to minimize energy transfer to the host matrix.

Abstract: A process for manufacturing a turbomachine part coated with a thermal barrier, includes manufacturing the part by additive manufacture; electrophoretic depositing the part of a layer including particles of a ceramic material; consolidating the layer by heat treatment to obtain a ceramic coating.

Abstract: The present invention relates to an aerogel laminated composite having a structure in which a porous spacer layer, an aerogel layer and a support having a heat ray reflective function or a heat ray absorbing function are laminated in this order.

Abstract: A method for the preparation of zirconia-multi-walled carbon nanotube nanocomposite utilizing Pluronics as templating agents is described. An efficient method for producing hydrogen gas using the nanocomposite as a photocatalyst.

Abstract: Methods for processing and or removing organic residuals and or impurities from a solgel-derived bioactive glass-ceramic and compositions comprising solgel-derived bioactive glass-ceramics processed using these methods, are described.

Abstract: The invention relates to a process for the preparation of a quartz glass grain comprising the process steps i.) Providing a silicon dioxide granulate from a pyrogenically produced silicon dioxide powder, ii.) Making a glass melt out of silicon dioxide granulate, iii.) Making a quartz glass body out of at least part of the glass melt and iv.) Reducing the size of the quartz glass body to obtain the quartz glass grain. The invention further relates to a quartz glass grain which is obtainable by this process. The invention further relates to opaque quartz glass bodies, which are obtainable by further processing of the quartz glass grain.

Abstract: The present invention relates to a production method for an aerogel laminate including a support, and an aerogel layer disposed on the support and having a thickness of 200 ?m or less, the method comprising a step of washing a wet gel laminate including the support and a wet gel layer disposed on the support by a roll-to-roll scheme.

Abstract: Glass batch materials and processes for preparing and melting structured pellets of glass batch materials to produce molten glass. A structured pellet of glass batch materials may include a core and a shell surrounding the core. The core may include a mixture of glass-forming materials and the shell may include a thermally-activated material. The thermally-activated material may be formulated to undergo an exothermic chemical reaction when heated to a temperature at or above a threshold temperature such that heat is transferred from the shell to the mixture of glass-forming materials in the core.

Abstract: The present invention is to provide an electrode active material and a method for producing the same capable of preventing production of foreign substance, poor coating and deterioration of electrode active material upon covering the surface of the electrode active material with ion conductive oxide, decreasing battery resistance and having higher output of battery. Disclosed is a method for producing an electrode active material, the surface of which is covered with ion conductive oxide, comprising the steps of: preparing an alkoxide solution by mixing at least alkoxide compound and liquid water; and applying and drying the alkoxide solution on a surface of an electrode active material under dry atmosphere, and an electrode active material, the surface of which is covered with ion conductive oxide, wherein an area on the surface of the electrode active material occupied by a substance other than the ion conductive oxide is 21% or less.

Abstract: A supported membrane is provided comprising an inorganic, solid porous filtration membrane supported by an inorganic, solid porous support, said supported membrane comprising nanoparticles of a metal coordination polymer with CN ligands comprising Mn+ cations, where M is a transition metal and n is 2 or 3; and Alk+y[M?(CN)m]x? anions where Alk is an alkaline metal, y is 0, 1 or 2, M? is a transition metal, x is 3 or 4, and m is 6 or 8; said Mn+ cations of the coordination polymer being bound through an organometallic or coordination bond to an organic group of an organic graft chemically attached to the surface of the filtration membrane, inside the pores of the filtration membrane, and optionally inside the pores of the support. The supported membrane may be used in a process for separating at least one metal cation and solid particles from a liquid medium containing the same.

Abstract: A probe for identifying and measuring volume fraction constituents of a fluid using time domain analysis and frequency domain analysis to identify individual volume fraction constituents within a pipe on a real time basis and to measure the volume of the individual volume fraction constituents flowing through the pipe on a real time basis.

Abstract: Provided is a piston ring capable of maintaining an excellent effect of preventing aluminum cohesion in a high output engine over a long period of time. At least one of the upper, lower, and side faces of the piston ring is coated with a silica-based coating in which hard nanoparticles are dispersed. The coating has a Martens hardness of 1,000 to 8,000 N/mm2. As the hard nanoparticles, carbon nanoparticles, nanodiamond particles, carbon nanotubes, or carbon nanofibers are used. To the coating, resin particles of a fluorine-based resin or a polyether-based resin may be added.

Abstract: A method of manufacturing polycrystalline abrasive elements consisting of micron, sub-micron or nano-sized ultrahard abrasives dispersed in micron, sub-micron or nano-sized matrix materials. A plurality of ultrahard abrasive particles having vitreophilic surfaces are coated with a matrix precursor material in a refined colloidal process and then treated to render them suitable for sintering. The matrix precursor material can be converted to an oxide, nitride, carbide, oxynitride, oxycarbide, or carbonitride, or an elemental form thereof. The coated ultrahard abrasive particles are consolidated and sintered at a pressure and temperature at which they are crystallographically or thermodynamically stable.

Abstract: Provided is a method for manufacturing a titania coated alumina fiber aggregate which includes the steps of: forming an aluminum fiber aggregate where aluminum fibers are aggregated with density per unit volume of 0.5 g/cm3 to 3 g/cm3; forming an alumina fiber aggregate where an oxide film having a film thickness of 50 nm or more is formed on alumina fibers; and forming a titania coated alumina fiber aggregate where a titania thin film is formed on alumina fibers.

Abstract: According to various embodiments the present disclosure provides porous particles and methods and apparatus for forming porous microparticles. According to a specific embodiment, the present disclosure provides microparticles with multi-nodal porosity and methods for forming the same. According to a still further embodiment, the present disclosure provides microfluidic device-based methods for forming microparticles with multi-nodal nanoporosity. Furthermore, the present disclosure provides populations of monosdisperse mesoporous microparticles with multi-nodal nanoporosity and methods and apparatus for forming the same. According to a specific embodiment, the present disclosure provides populations of monodisperse mesoporous microparticles formed using a microfluidic device.

Abstract: Stable high strength porous metal oxide articles suitable, for example, for use as catalyst supports, are prepared by predisposing fine metal oxide particles in water followed by fine dispersion under high shear, and subjecting the dispersion to a change in pH to coagulate the metal oxide particles and form a moldable viscoelastic composition. The moldings are substantially free of impurity atoms.

Abstract: A bioactive glass composition comprising one or more glasses comprising Si02, P205 and a fluoride, the Si02 content being less than 40 mole %, the P205 content being at least 4 mole %, and the fluoride content being greater than 1 mole %. The bioactive glass or glass-ceramic can be used in a number of medical applications, including dental applications such as toothpaste.

Abstract: Provided are inorganic fibers which can exhibit high biosolubility and have excellent heat resistance as the constituting material for a filter material, a sealing material or the like, while exerting minimized effects on the human body or the living environment even when the fibers have an average diameter of 1 ?m or less. Inorganic fibers including 35 mass% to 88 mass% of Al2O3, 3 mass% to 45 mass% of CaO and 5 mass% to 40 mass% of SiO2, wherein the total content of Al2O3, CaO and SiO2 is 98 mass% or more of the entire fibers.

Abstract: A method of producing a CO2 adsorbent and CO2 adsorbents. The method including the steps of: (a) producing a mixture of at least one calcium salt and at least one metal support cation in at least one solvent; (b) drying the mixture to produce a solid containing a calcium metal salt; and (c) calcining the dried solid to produce a sorbent of calcium oxide dispersed in a porous metal support.

Abstract: Example embodiments relate to a composite material exhibiting a low or even negligible volumetric shrinkage upon curing, or even a small expansion (e.g. up to 0.5%), in particular composite materials in the form of dental filling materials. Example embodiments also relate to a method of controlling volumetric shrinkage of a composite material upon curing, and to a method of reconstructing a tooth. Example embodiments also relate to ultrasonic curing of dental filling materials. Example embodiments further relate to a population of zirconia particles and methods for preparing such zirconia particles (e.g. zirconia in the tetragonal phase or zirconia in the cubic phase). The martensitic transformation of the filler ingredients is, e.g., triggered by application of ultrasound or by a chemical trigger.

Abstract: A panel heating element is described. The panel heating element has at least one substrate with a substrate surface, and an electrical heating layer for heating the substrate, which heating layer extends at least over a part of the substrate surface and is connected to at least two electrodes provided for connection to a voltage source such that a current path for a heating current is formed between the electrodes. The heating layer is electrically divided by separating zones each having at least one free zone end. The current path changes its direction of flow at the free zone ends. A transition zone adjoins the zone end of each separating zone.

Abstract: Methods of increasing the solubility of a base in supercritical carbon dioxide include forming a complex of a Lewis acid and the base, and dissolving the complex in supercritical carbon dioxide. The Lewis acid is soluble in supercritical carbon dioxide, and the base is substantially insoluble in supercritical carbon dioxide. Methods for increasing the solubility of water in supercritical carbon dioxide include dissolving an acid or a base in supercritical carbon dioxide to form a solution and dissolving water in the solution. The acid or the base is formulated to interact with water to solubilize the water in the supercritical carbon dioxide. Some compositions include supercritical carbon dioxide, a hydrolysable metallic compound, and at least one of an acid and a base. Some compositions include an alkoxide and at least one of an acid and a base.

Abstract: The present invention relates to a method for manufacturing of a glass ceramic material for dental applications. The method comprises: providing a first precursor comprising silicon(IV); providing a second precursor comprising zirconium(IV); hydrolyzing said first precursor and second precursor in solution; polymerizing of the hydrolysed first precursor and second precursor in a solvent, wherein polymers are formed; formation of colloids comprising said polymers; formation of a gel from said colloids; aging the gel; drying the gel; and sintering the gel under formation of a glass ceramic material.

Abstract: [Object] In manufacturing a GRIN lens by a sol-gel method, an operation for preparing a wet gel is facilitated and cracking in a base material during sintering and foaming during drawing are prevented. [Solution] The object is achieved by obtaining a GRIN lens by producing a wet gel from an alcohol solution containing a silicon alkoxide, a dopant alkoxide, and a boron alkoxide as the main ingredients, leaching the same, drying the same to form a dry gel, and sintering and drawing the same.

Abstract: The invention relates to triazine-based special organic UV absorbers modified in such a way as to be soluble in polar coating compositions. The invention further relates to coatings, e.g. sol-gel based ones, containing said novel UV absorbers as well as to the use of said coatings for permanently protecting materials, especially plastics, from photochemical degradation.

Abstract: Provided are a glass powder represented as aLi2O-bK2O-cBaO-dB2O3-eSiO2wherein a+b+c+d+e=1, and 0.01?a?0.1, 0.01?b?0.1, 0.01?c?0.1, 0.05?d?0.3, and 0.3?e?0.7 are satisfied in terms of mol %, a method of manufacturing the same, and a multi-layered ceramic material using the same. Therefore, a nano glass powder having an average particle size of 100nm or less and uniform particle size distribution can be manufactured using liquid phase deposition, specifically, a sol-gel method. In addition, the glass powder can be used as sintering additives to decrease a sintering temperature by about 100° C. in comparison with conventional glass upon manufacture of a ceramic material such as MLCC and MLCI, which can be sintered at a low temperature, contributing to improvement of dielectric capacity and inductance capacity of the parts and increasing quality coefficient.

Abstract: A method for producing a quartz glass body from a get body is provided, wherein the gel body generated from a colloidal suspension is at least formed and compressed into the quartz glass body Displacement bodies are added to the colloidal suspension prior to gelating into the gel body, and are completely removed from the gel body after gelating, wherein hollow spaces are generated at the positions of the removed displacement bodies, so that a translucent or opaque quartz glass body is generated. Further, a gel body for producing a quartz glass body is provided, wherein displacement bodies are introduced into the gel body that can be completely removed from the gel body, so that hollow spaces arise at the positions of the displacement bodies. A quartz glass body is also provided that includes vacuoles or hollow spaces filled with gas.

Abstract: The disclosure provides a device and method used to produce a tubular structure made of a refractory metal compound. In particular, the disclosure provides a device and method used to produce a tubular structure made of a refractory metal compound by reacting a green tubular structure made of a refractory metal with at least one reactive gas.

Abstract: Cross-linked sol-gel like materials and cross-linked aerogels, as well as methods for making such cross-linked sol-gel like materials and cross-linked aerogels are described.

Abstract: A cement additive, comprising nanostructured or not particles of SiO2—CaO—Al2O3 and at least one additive selected from the group consisting of nano-sized particles of SiO2, 2CaO.SiO2, 3CaO.SiO2, Al2O3, P—Ca and/or combinations thereof.

Abstract: Provided are a glass powder represented as aLi2O-bK2O-cBaO-dB2O3-eSiO2 wherein a+b+c+d+e=1, and and 0.01?a?0.1, 0.01?b?0.1, 0.01?c?0.1, 0.05?d?0.3, and 0.3?e?0.7 are satisfied in terms of mol %, a method of manufacturing the same, and a multi-layered ceramic material using the same. Therefore, a nano glass powder having an average particle size of 100 nm or less and uniform particle size distribution can be manufactured using liquid phase deposition, specifically, a sol-gel method. In addition, the glass powder can be used as sintering additives to decrease a sintering temperature by about 100° C. in comparison with conventional glass upon manufacture of a ceramic material such as MLCC and MLCI, which can be sintered at a low temperature, contributing to improvement of dielectric capacity and inductance capacity of the parts and increasing quality coefficient.

Abstract: There are provided a nano glass powder for a sintering additive and a method for fabricating the same. The method for fabricating the nano glass powder for the sintering additive includes fabricating a mixed solution by dissolving a raw material of boron (B), a raw material of silicon (Si), and a raw material of a metal oxide in a non-aqueous solvent; controlling a sol-gel reaction by adding an alkali catalyst to the mixed solution, drying a sol-gel material obtained by the sol-gel reaction, and heat treating the sol-gel material.

Abstract: Optical glass constituted by an amorphous matrix and crystal grains dispersed in the amorphous matrix, wherein the amorphous matrix comprises a first oxide of at least one of silicon oxide and phosphor oxide and a second oxide of at least one of titanium oxide and zirconium oxide, and wherein the crystal grains is at least one of titanium oxide, zirconium oxide and silicon, an average grain size of the titanium oxide grain being 3 nm to 20 nm, and the average grain size of the silicon crystal being 3 nm to 8 nm.

Abstract: A composite dielectric material doped with rare earth metal oxide and a manufacturing method thereof are provided. The composite dielectric material is doped with nano-crystalline rare metal oxide which is embedded in silicon dioxide glass matrix, and the composite dielectric material of the nano-crystalline rare metal oxide and the silicon dioxide glass matrix is synthesized by the manufacturing method using sol-gel route. The dielectric value of the glass composite dielectric material is greater than that of pure rare metal oxide or that of silicon dioxide. In presence of magnetic field, the dielectric value of the composite dielectric material is substantially enhanced compared with that of the composite dielectric material at zero field.

Abstract: A ceramic compact having a patterned conductor is obtained by coating the patterned conductor with a slurry and then by hardening the slurry. The slurry is prepared by mixing a thermosetting resin precursor, a ceramic powder, and a medium. In the ceramic compact, an isocyanate- or isothiocyanate-containing gelling agent and a hydroxyl-containing polymer are reacted and hardened to produce a thermosetting resin. The hydroxyl-containing polymer is preferably a butyral resin, an ethylcellulose-based resin, a polyethyleneglycol-based resin, or a polyether-based resin.

Abstract: An easy to clean and stain resistant coating for a cooking product includes an oxycarbofluoride coating. The oxycarbofluoride coating has a composition comprising at least one metal oxide, carbon and fluorine and can be applied to a substrate using a sol-gel process.

Abstract: The invention relates to amphiphilic, nanoscalar particles comprising lipophilic hydrolyzable groups on their surface. The invention also relates to methods for producing amphiphilic, nanoscalar particles and to compositions containing said particles.

Abstract: The present invention provides several methods and materials for use in building construction that may require air and water barrier, and water vapor permeability along with thermal or acoustic insulation. Several embodiments provide materials for a variety of building construction needs that can help build next generation green buildings.

Abstract: Embodiments of the invention provide organosilicon silicon nanoparticle composites, where the silicon nanoparticles are highly luminescent. Preferred embodiments of the invention are Si—O solid composite networks, e.g., glass, having a homogenous distribution of luminescent hydrogen terminated silicon nanoparticles in a homogenous distribution throughout the solid. Embodiments of the invention also provide fabrication processes for organosilicon silicon nanoparticle composites. A preferred method for forming an organosilicon nanoparticle composite disperses hydrogen terminated silicon nanoparticles and an inorganic precursor of an organosilicon gel in an aprotic solvent to form a sol. A catalyst is mixed into the sol. The sol is then permitted to dry into a gel of the organosilicon nanoparticle composite.

Abstract: A method for preparing a composition including mineral particles, that is swelling TOT-TOT interlayer particles, formed by interlayering between: at least one non-swelling mineral phase formed by a stack of elementary laminae of the phyllogermanosilicate 2/1 type and of formula —(SixGe1?x) 4M3O10(OH)2—, and at least one swelling mineral phase formed by a stack of elementary laminae of the phyllogermanosilicate 2/1 type and at least one interlaminar space between two consecutive elementary laminae, the swelling mineral phase being of formula —(SixGe1?x)4M3??O10(OH)2, (M2+)??.nH2O. The composition is prepared by subjecting a gel containing silicon, germanium and metal, of chemical formula —(SixGe1?x)4M3O11,nH2O—, in the liquid state to a hydrothermal treatment which is carried out over a defined period of time and at a temperature of between 150° C. and 300° C.