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Небесная энциклопедия

Космические корабли и станции, автоматические КА и методы их проектирования, бортовые комплексы управления, системы и средства жизнеобеспечения, особенности технологии производства ракетно-космических систем

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Мониторинг СМИ

Мониторинг СМИ и социальных сетей. Сканирование интернета, новостных сайтов, специализированных контентных площадок на базе мессенджеров. Гибкие настройки фильтров и первоначальных источников.

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Применить Всего найдено 3793. Отображено 100.

10-01-2013 дата публикации

New compound semiconductors and their application

Номер: US20130009108A1

Автор: Cheol-Hee Park, Tae-hoon Kim

Принадлежит: LG Chem Ltd

Disclosed are new compound semiconductors which may be used for solar cells or as thermoelectric materials, and their application. The compound semiconductor may be represented by a chemical formula: In x M y Co 4-m-a A m Sb 12-n-z-b X n Te z , where M is at least one selected from the group consisting of Ca, Sr, Ba, Ti, V, Cr, Mn, Cu, Zn, Ag, Cd, Sc, Y, La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb and Lu; A is at least one selected from the group consisting of Fe, Ni, Ru, Rh, Pd, Ir and Pt; X is at least one selected from the group consisting of Si, Ga, Ge and Sn; 0<x<1; 0<y<1; 0≦m≦1; 0≦n<9; 0<z≦2; 0≦a≦1; 0<b≦3; and 0<n+z+b<12.

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Номер записи: 1

10-01-2013 дата публикации

Compound semiconductors and their application

Номер: US20130009116A1

Автор: Cheol-Hee Park, Tae-hoon Kim

Принадлежит: LG Chem Ltd

Disclosed are new compound semiconductors which may be used for solar cells or as thermoelectric materials, and their application. The compound semiconductor may be represented by a chemical formula: In x Co 4-a Sb 12-z Q z , where Q is at least one selected from the group consisting of O, S, Se and Te, 0<x≦0.5, 0<a≦1 and 0≦z≦4.

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Номер записи: 2

28-02-2013 дата публикации

Composition containing oxides of zirconium, cerium and another rare earth having reduced maximum reducibility temperature, a process for preparation and use thereof in the field of catalysis

Номер: US20130052108A1

Автор: Emmanuel Rohart, Julien Hernandez, Simon Ifrah, Stephane Denaire

Принадлежит: Rhodia Operations SAS

A composition is described that includes oxides of zirconium, cerium and another rare earth different from cerium, having a cerium oxide content not exceeding 50 wt % and, after calcination at 1000° C. for 6 hours, a maximal reducibility temperature not exceeding 500° C. and a specific surface of at least 45 m 2 /g. The composition can be prepared according to a method that includes continuously reacting a mixture that includes compounds of zirconium, cerium and another rare earth having a basic compound for a residence time not exceeding 100 milliseconds, wherein the precipitate is heated and contacted with a surfactant before calcination.

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Номер записи: 3

07-03-2013 дата публикации

Colloidal dispersion of aluminium oxide

Номер: US20130056675A1

Автор: Daniel Getto, Francois Tardif, Lionel Bonneau, Olivier Poncelet

Принадлежит: Commissariat a lEnergie Atomique et aux Energies Alternatives CEA

The invention relates to a heat-transporting fluid and to the use thereof. The heat-transporting fluid of the invention is formed of an aqueous colloidal sol including water and up to 58.8 wt %, relative to the total fluid weight, in a-Al2O3 particles, the thickness of which is the smallest dimension and less than or equal to 30 nm 90% to 95% of said a-Al2O3 particles have a size less than or equal to 210 nm, among which 50% have a size less than or equal to 160 nm. The invention is of use in the field of cooling, in particular nuclear reactor backup cooling.

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Номер записи: 4

25-04-2013 дата публикации

Doped Nanoparticles and Methods of Making and Using Same

Номер: US20130101848A1

Автор: Christopher J. Patridge, Luisa Whittaker, Peter Marley, Sarbajit Banerjee

Принадлежит: Christopher J. Patridge, Luisa Whittaker, Peter Marley, Sarbajit Banerjee

Doped nanoparticles, methods of making such nanoparticles, and uses of such nanoparticles. The nanoparticles exhibit a metal-insulator phase transition at a temperature of −200° C. to 350° C. The nanoparticles have a broad range of sizes and various morphologies. The nanoparticles can be used in coatings and in device structures.

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Номер записи: 5

29-08-2013 дата публикации

Nanofluid coolant

Номер: US20130221267A1

Автор: Jyothirmayee Aravind SASIDHARANNAIR SASIKALADEVI, Sundara Ramaprabhu

Принадлежит: INDIAN INSTITUTE OF TECHNOLOGY MADRAS

Technologies are generally described for forming a nanofluid coolant and structures including a nanofluid coolant. In an example, a method of forming a nanofluid coolant may comprise combining a compound with an acid and with purified water to form a solution. The compound may include manganese. The method may further include heating the solution and, after heating the solution, cooling the solution effective to form at least one precipitate that includes manganese and oxygen. The method may further include filtering the at least one precipitate to form a powder that includes manganese oxide nanotubes. The method may further include functionalizing the nanotubes by irradiating them with UV radiation. The method may further include combining the functionalized manganese oxide nanotubes with a polar solvent to form the nanofluid coolant.

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Номер записи: 6

19-12-2013 дата публикации

Carbon nanotube aggregate, carbon nanotube aggregate having a three-dimensional shape, carbon nanotube molded product using the carbon nanotube aggregate, composition, and carbon nanotube dispersion liquid

Номер: US20130337707A1

Автор: Don N. Futaba, Kenji Hata

Принадлежит: National Institute of Advanced Industrial Science and Technology AIST

The present invention is a carbon nanotube aggregate having a three-dimensional shape. The carbon nanotube aggregate having a three-dimensional shape includes a first surface, a second surface and a side surface, wherein a carbon nanotube of the first surface has a Herman orientation coefficient greater than −0.1 and smaller than 0.2, a carbon nanotube of the second surface has a Herman orientation coefficient greater than −0.1 and smaller than 0.2, and a carbon nanotube of the side surface has degree of orientation in which a Herman orientation coefficient is 0.2 or more and 0.99 or less, and the first surface and second surface are mutually arranged in parallel and the side surface is perpendicular with respect to the first surface and second surface.

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Номер записи: 7

01-01-2015 дата публикации

HEAT CONDUCTIVITY IMPROVING AGENT

Номер: US20150000887A1

Автор: KUDO Daisuke, Manabe Hitoshi, Miyata Shigeo, Oohori Kohei

Принадлежит:

A heat conductivity improving agent which can provide high heat conductivity to a resin. 1. A heat conductivity improving agent comprising a magnesium hydroxide particle having a thickness of 10 nm to 0.2 μm and an aspect ratio (long diameter/thickness) measured by a SEM method of not less than 10.2. The heat conductivity improving agent according to claim 1 , wherein the aspect ratio of the magnesium hydroxide particle is not less than 15.3. The heat conductivity improving agent according to claim 1 , wherein the BET specific surface area of the magnesium hydroxide particle is 10 to 30 m/g.4. The heat conductivity improving agent according to claim 1 , wherein the magnesium hydroxide particle has a CaO content of not more than 0.01 wt % claim 1 , a Cl content of not more than 0.05 wt % claim 1 , a Na content of not more than 0.01 wt % claim 1 , a total content of an iron compound claim 1 , manganese compound claim 1 , cobalt compound claim 1 , chromium compound claim 1 , copper compound claim 1 , vanadium compound and nickel compound of not more than 0.02 wt % in terms of metals claim 1 , and a Mg(OH)content of not less than 99.5 wt %.5. The heat conductivity improving agent according to which is surface treated with at least one surface treating agent selected from the group consisting of higher fatty acids claim 1 , anionic surfactants claim 1 , phosphoric acid esters claim 1 , coupling agents claim 1 , esters of a polyhydric alcohol and a fatty acid and silicone oil.6. The heat conductivity improving agent according to which has a coating layer made of an oxide or hydroxide of at least one element selected from the group consisting of silicon claim 1 , aluminum claim 1 , titanium claim 1 , zirconia claim 1 , zinc and boron.7. The heat conductivity improving agent according to which has a coating layer made of silicon oxide or hydroxide formed by making silicic acid or a soluble salt thereof act thereon.8. The heat conductivity improving agent according to claim ...

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Номер записи: 8

06-01-2022 дата публикации

PRODUCTION OF CRYSTALLINE CARBON STRUCTURE NETWORKS

Номер: US20220002557A1

Автор: SORDI Daniela, VAN RAALTEN Rutger Alexander David

Принадлежит: CARBONX IP 3 B.V.

The invention pertains to a process for the production of crystalline carbon structure networks in a reactor which contains a reaction zone and a termination zone by injecting a thermodynamically stable micro-emulsion c, comprising metal catalyst nanoparticles, into the reaction zone which is at a temperature of above 600° C., preferably above 700° C., more preferably above 900° C., even more preferably above 1000° C., more preferably above 1100° C., preferably up to 3000° C., more preferably up to 2500° C., most preferably up to 2000° C., to produce crystalline carbon structure networks e, transferring these networks e to the termination zone 3c,and quenching or stopping the formation of crystalline carbon structure networks in the termination zone by spraying in water d. 129-. (canceled)30. A crystalline carbon structure network , comprising chemically interconnected carbon nanofibers , wherein the carbon nanofibers are chemically interconnected by chemical bonds through a multitude of junctions , including Y- and H-junctions , comprising at least 500 chemically connected nodes , wherein the carbon nanofibers have an average aspect ratio of fiber length-to-thickness of at least 2 , wherein the carbon nanofibers forming the network are non-hollow and have an average diameter or thickness of 50-400 nm and/or an average length in the range of 100-10 ,000 nm , wherein the carbon structure network is porous and forms aggregates with a size of 0.1-100 microns.31. The network according to claim 30 , obtainable by a process for the production of crystalline carbon structure networks in a reactor which comprises a reaction zone and a termination zone claim 30 , the process comprising:(a) injecting a water-in-oil or bicontinuous micro-emulsion comprising carbon components in an oil phase, metal catalyst nanoparticles having a size between 1 and 100 nm, and water into the reaction zone at a temperature of above 600° C., to produce crystalline carbon structure networks,(b) ...

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Номер записи: 9

05-01-2017 дата публикации

METHOD FOR PRODUCING GRAPHITE FILM

Номер: US20170001867A1

Автор: Inada Takashi, KATAYAMA Satoshi, KOBAYASHI Motoaki, KUTSUMIZU Makoto, Nishikawa Yasushi, Ohta Yusuke

Принадлежит: KANEKA CORPORATION

Provided is a method of producing a graphite film having a high thermal diffusivity, the method including heat-treating, at a temperature of not lower than 2,400° C., a polyimide film or a carbonized film obtained by carbonizing the polyimide film, the polyimide film (i) having a thickness of not less than 34 μm and not more than 42 μm and a birefringence of not less than 0.1000 and (ii) being obtained with use of (a) an acid dianhydride component containing not less than 70 mol % of PMDA and (b) a diamine component containing not less than 70 mol % of ODA. 1. A method of producing a graphite film having a thermal diffusivity of not less than 9.0 cm/s , the method comprising:heat-treating, at a temperature of not lower than 2,400° C., a polyimide film or a carbonized film obtained by carbonizing the polyimide film,the polyimide film having (i) a thickness of not less than 34 μm and not more than 42 μm and (ii) a birefringence of not less than 0.100 and not more than 0.130.2. The method as set forth in claim 1 , wherein the polyimide film is a polyimide film obtained with use of (a) an acid dianhydride component containing not less than 70 mol % of pyromellitic acid dianhydride (PMDA) and (b) a diamine component containing not less than 70 mol % of 4 claim 1 ,4′-diaminodiphenyl ether (ODA).3. The method as set forth in claim 1 , wherein the polyimide film is obtained by a chemical cure method.4. The method as set forth in claim 1 , wherein the polyimide film has an average stretch ratio of not less than 0.8 and not more than 1.25 in each of MD and TD directions.5. A method of producing a graphite film claim 1 , the method comprising:heat-treating, at a temperature of not lower than 2,400° C., a polyimide film or a carbonized film obtained by carbonizing the polyimide film,the polyamide film having (i) a thickness of not less than 34 μm and not more than 42 μm and (ii) a birefringence of not less than 0.100 and not more than 0.130,the polyimide film or the carbonized ...

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Номер записи: 10

02-01-2020 дата публикации

Heat storage particle, composition for thermostatic device, and thermostatic device

Номер: US20200002590A1

Автор: Kou Tanaka, Mitsugu Takada, Mitsunari Imasaka, Noboru Tanida, Ryo Teraura, Toshihiko Yamada, Yoshihiro Iwasaki, Yuji Yokoyama

Принадлежит: Murata Manufacturing Co Ltd

A heat storage particle that includes a ceramic particle containing a vanadium oxide as a main component thereof, and a metal film covering the ceramic particle.

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Номер записи: 11

13-01-2022 дата публикации

METHOD FOR PRODUCING AEROGELS AND AEROGELS OBTAINED USING SAID METHOD

Номер: US20220009786A1

Автор: HINTEMANN Damian, KILZER Andreas, MÖLDERS Nils, RENNER Manfred, SENGESPEICK Andreas, WEIDNER Eckhard, WEISHAUPT Oliver

Принадлежит:

The invention relates to a method for producing an aerogel under increased pressure, to the aerogel obtained using said method and to their use. 1. A method for producing a silica aerogel by means of a sol-gel process , comprisingproducing a lyogel from a sol; andconverting the lyogel into an aerogel, whereinthe production of the lyogel is carried out at least partially at a pressure of more than 30 bar.2. The method according to claim 1 , wherein the production of the lyogel is carried out in a compressed gas claim 1 , a supercritical substance claim 1 , or a mixture of both.3. The method according to claim 1 , wherein:the pressure is selected from more than 40 bar, more than 50 bar, more than 60 bar, more than 70 bar, and more than 74 bar; and/orthe production of the lyogel is carried out at a temperature selected from above 50° C., 60° C., 70° C., and 80° C.4. The method according to claim 1 , wherein converting the lyogel into an aerogel is carried out at a pressure of more than 50 bar.5. The method according to claim 1 , wherein the sol is a solution or a dispersion of a precursor.6. The method according to claim 5 , wherein the precursor is selected from silicic acids claim 5 , in particular colloidal silicic acid claim 5 , colloidal silica claim 5 , silanes claim 5 , silica sols claim 5 , tetraalkoxysilanes claim 5 , siloxanes and mixtures thereof.7. The method according to claim 1 , wherein the sol comprises a hydrophobing silanizing agent.8. The method according to claim 1 , wherein the production of the lyogel is carried out by introducing the sol into a pressurized apparatus in the form of droplets.9. The method according to claim 1 , wherein after the production of the lyogel a solvent exchange is performed.10. The method according to claim 9 , wherein the solvent exchange occurs by contacting the lyogel with an organic solvent at elevated pressure.11. The method according to claim 10 , wherein the organic solvent is brought into contact with the lyogel ...

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Номер записи: 12

13-01-2022 дата публикации

Composition, cured film, color filter, light shielding film, optical element, solid-state imaging element, headlight unit, modified silica particles, and method for producing modified silica particles

Номер: US20220010121A1

Автор: Ryosuke Kato

Принадлежит: Fujifilm Corp

The present invention provides a composition having excellent development residue suppressibility. Moreover, also provided are a cured film, a color filter, a light shielding film, an optical element, a solid-state imaging element, a headlight unit, modified silica particles, and a method for producing modified silica particles. The composition according to the embodiment of the present invention contains modified silica particles and a polymerizable compound, in which the modified silica particles each contain a silica particle and a coating layer coating the silica particle, and the coating layer contains a polymer containing a repeating unit represented by General Formula (1).

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Номер записи: 13

20-01-2022 дата публикации

PHASE-CHANGE MATERIAL AND ASSOCIATED RESISTIVE PHASE-CHANGE MEMORY

Номер: US20220020923A1

Автор: Cyrille Marie-Claire, NAVARRO Gabriele

Принадлежит:

A phase-change material includes germanium Ge, tellurium Te and antimony Sb, including at least 37% germanium Ge, the ratio between the quantity of antimony Sb and the quantity of tellurium Te being between 1.5 and 4. 1. A phase-change material comprising germanium Ge , tellurium Te and antimony Sb , wherein the phase-change material comprises at least 37% germanium Ge and wherein a ratio between a quantity of antimony Sb and a quantity of tellurium Te is comprised between 2.3 and 2.5.2. The phase-change material according to claim 1 , comprising between 37% and 90% germanium Ge.3. The phase-change material according to claim 1 , comprising between 65% and 80% germanium Ge claim 1 , between 15% and 25% antimony Sb and between 5% and 11% tellurium Te.4. The phase-change material according to claim 1 , consisting of germanium Ge claim 1 , tellurium Te claim 1 , and antimony Sb claim 1 , with optionally at least one dopant.5. The phase-change material according to claim 1 , comprising at least one dopant chosen from the following group: nitrogen N claim 1 , carbon C claim 1 , titanium Ti claim 1 , oxygen O claim 1 , phosphorus P claim 1 , arsenic As claim 1 , boron B claim 1 , gallium Ga or silicon Si.6. The phase-change material according to claim 1 , being a stack of layers claim 1 , with each one of the layers having a thickness less than or equal to 10 nm.7. The phase-change material according to claim 6 , wherein the stack comprises a first layer of GeSbTe claim 6 , a second layer of antimony Sb and a third layer of germanium Ge doped with nitrogen N.8. The phase-change material according to claim 6 , wherein the stack of layers comprises a first layer of material comprising germanium Ge claim 6 , antimony Sb and tellurium Te claim 6 , and a second layer of germanium Ge doped with nitrogen N.9. The phase-change material according to claim 1 , being a single layer.11. The resistive phase-change memory according to claim 10 , wherein the active layer claim 10 , ...

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Номер записи: 14

11-01-2018 дата публикации

METHOD FOR PREPARING A MATERIAL MADE FROM ALUMINOSILICATE AND METHOD FOR PREPARING A COMPOSITE MATERIAL HAVING AN ALUMINOSILICATE MATRIX

Номер: US20180009669A1

Автор: Allemand Alexandre, Belleville Philippe, Billard Romain, Dolle Mickael, Le Petitcorps Yann

Принадлежит:

The invention relates to a method for preparing a material based on an aluminosilicate selected from barium aluminosilicate BAS, barium-strontium aluminosilicate BSAS, and strontium aluminosilicate SAS, said aluminosilicate consisting of aluminosilicate with a hexagonal structure, characterised in that it includes a single sintering step in which a mixture of powders of precursors of said aluminosilicate, including an aluminium hydroxide Al(OH)powder, are sintered by a hot-sintering technique with a pulsed electric field SPS; whereby a material based on an aluminosilicate, said aluminosilicate consisting of an aluminosilicate with a hexagonal structure is obtained. The material based on an aluminosilicate prepared by said method can be used in a method for preparing a composite material consisting of an aluminosilicate matrix reinforced by reinforcements made of metalloid or metal oxide. 1. A method for preparing a material based on an aluminosilicate selected from among barium aluminosilicate BAS , barium and strontium aluminosilicate BSAS , and strontium aluminosilicate SAS , said aluminosilicate consisting of aluminosilicate with a hexagonal structure , the method comprising a single sintering step wherein the sintering of a mixture of powders of precursors of said aluminosilicate , comprising an aluminum hydroxide powder Al(OH)is carried out , by a hot sintering technique with a pulsed electric field SPS; whereby a material based on an aluminosilicate , said aluminosilicate consisting of aluminosilicate with a hexagonal structure , is obtained.2. The method according to claim 1 , wherein the powders of precursors other than the aluminium hydroxide powder Al(OH)are selected from the group consisting of powders of barium carbonate BaCO claim 1 , powders of silica SiO claim 1 , and powders of strontium carbonate.3. The method according to claim 2 , wherein the aluminosilicate is barium aluminosilicate BAS claim 2 , and the mixture of the powders of precursors ...

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Номер записи: 15

10-01-2019 дата публикации

Aerogel blanket for ultra-high temperature, production method thereof, and construction method thereof

Номер: US20190010060A1

Автор: Je Kyun Lee, Kyoung Shil Oh

Принадлежит: LG Chem Ltd

The present invention relates to a hydrophilic silica aerogel blanket for ultra-high temperature insulation, a production method thereof, and a construction method thereof. More specifically, the present invention provides a production method a hydrophilic silica aerogel blanket, the method capable of strengthening the structure of a silica gel by adding a basic catalyst in an aging step, reducing processing time and cost by omitting a surface modification step, thereby reducing manufacturing cost, and suppressing the generation of a bad odor during construction by fundamentally blocking a volatile organic compound (VOC), a hydrophilic silica aerogel blanket produced thereby, and a construction method of a hydrophilic silica aerogel blanket, the method capable of suppressing the generation of a bad odor when constructing the hydrophilic aerogel blanket on an ultra-high temperature piping equipment, and at the same time, preventing the loss of heat insulation performance due to moisture in the air.

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Номер записи: 16

14-01-2021 дата публикации

ALN CRYSTAL PREPARATION METHOD, ALN CRYSTALS, AND ORGANIC COMPOUND INCLUDING ALN CRYSTALS

Номер: US20210009885A1

Автор: Chen Mingyu, NAGAYA Masashi, TAKEUCHI Yukihisa, UJIHARA Toru

Принадлежит:

A method for producing AlN crystals includes using at least one element, excluding Si, that satisfies a condition under which the element forms a compound with neither Al nor N or a condition under which the element forms a compound with any of Al and N provided that the standard free energy of formation of the compound is larger than that of AlN; melting a composition containing at least Al and the element; and reacting the Al vapor with nitrogen gas at a predetermined reaction temperature to produce AlN crystals. 1. A method for producing AlN crystals , comprising:using at least one element, excluding Si, that satisfies a condition under which the element forms a compound with neither Al nor N or a condition under which the element forms a compound with any of Al and N provided that the standard free energy of formation of the compound is larger than that of AlN;melting a composition containing at least Al and the element; andreacting the Al vapor with nitrogen gas at a predetermined reaction temperature to produce AlN crystals.2. The method for producing AlN crystals according to claim 1 , wherein the element used is any of Li claim 1 , Mg claim 1 , V claim 1 , Cr claim 1 , Mn claim 1 , Fe claim 1 , Co claim 1 , Ni claim 1 , Cu claim 1 , Ga claim 1 , Ge claim 1 , Sr and Sn.3. The method for producing AlN crystals according to claim 1 , wherein the element used is an element that satisfies a condition under which the interaction energy with Al becomes negative and also satisfies a condition under which the absolute value of this interaction energy is larger than the interaction energy between Al and Ge.4. The method for producing AlN crystals according to claim 2 , wherein the element used is an element that satisfies a condition under which the interaction energy with Al becomes negative and also satisfies a condition under which the absolute value of this interaction energy is larger than the interaction energy between Al and Ge.5. The method for producing AlN ...

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Номер записи: 17

10-01-2019 дата публикации

THERMAL PROTECTION SYSTEM UTILIZING INSULATING AND CONDUCTIVE MATERIALS

Номер: US20190011074A1

Автор: Flamion Van, Fuller Ian

Принадлежит: Stryke Industries, LLC

A thermal protection system includes an outer coating layer, at least one inner bond coat layer, and a conductive layer positioned adjacent at least one of the outer coating layer and the at least one bond coat layer. 1. A thermal protection system comprising:an outer coating layer;at least one bond coat layer; anda conductive layer positioned adjacent at least one of the outer coating layer and the at least one bond coat layer.2. The thermal protection system of claim 1 , wherein the at least one bond coat layer includes a first bond coat layer and a second bond coat layer claim 1 , the first bond coat layer positioned intermediate the outer coating layer and the conductive layer claim 1 , and the second bond coat layer positioned inward of the outer coating layer claim 1 , the conductive layer claim 1 , and the first bond coat layer.3. The thermal protection system of claim 1 , wherein the conductive layer is positioned in a first position defined intermediate the outer coating layer and the at least one bond coat layer.4. The thermal protection system of claim 1 , wherein the conductive layer is positioned in a second position defined inward of both the at least one bond coat layer and the outer coating layer.5. The thermal protection system of claim 1 , wherein the conductive layer is comprised of at least one of a ceramic material claim 1 , and a metallic material.6. The thermal protection system of claim 5 , wherein the conductive layer is comprised of approximately 98 wt. % or more of carbon.7. The thermal protection system of claim 1 , wherein the conductive layer is porous.8. The thermal protection system of claim 1 , wherein the conductive layer includes a coating.9. The thermal protection system of further comprising an adhesive positioned adjacent at least one of the conductive layer claim 8 , the at least one bond coat layer claim 8 , and the outer coating layer.10. The thermal protection system of claim 1 , wherein a surface of the conductive layer is ...

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Номер записи: 18

11-01-2018 дата публикации

METHOD FOR FORMING TELLURIUM/TELLURIDE NANOWIRE ARRAYS AND TELLURIUM/TELLURIDE NANOWIRE THERMOELECTRIC DEVICES

Номер: US20180013051A1

Автор: Chou Ting-mao, JAO Yun-Ting, LI Ying-Chun, Lin Zong-Hong

Принадлежит:

A method for forming tellurium/telluride nanowire arrays on a conductive substrate is provided. The method is used for forming tellurium/telluride nanowire thermoelectric materials and producing thermoelectric devices, and the method includes: preparing a conductive substrate; preparing a mixture solution comprising a tellurium precursor and a reducing agent; immersing the conductive substrate into the mixture solution; reacting the tellurium precursor and the reducing agent for forming a plurality of tellurium/telluride nanowires on the conductive substrate; and arranging the tellurium/telluride nanowires for forming tellurium/telluride nanowire arrays. 1. A method for forming tellurium/telluride nanowire arrays on a conductive substrate , wherein the method is used for forming tellurium/telluride nanowire thermoelectric materials and producing thermoelectric devices , the method comprises:preparing a conductive substrate;preparing a mixture solution comprising a tellurium precursor and a reducing agent;immersing the conductive substrate into the mixture solution;reacting the tellurium precursor and the reducing agent for forming a plurality of tellurium/telluride nanowires on the conductive substrate; andarranging the tellurium/telluride nanowires for forming tellurium/telluride nanowire arrays.2. The method of claim 1 , wherein the conductive substrate is rigid or flexible.3. The method of claim 1 , wherein the conductive substrate is fiber shaped claim 1 , thin-film shaped claim 1 , bulk shaped claim 1 , sheet shaped claim 1 , irregularly shaped claim 1 , mesh shaped or porously shaped.4. The method of claim 3 , wherein the conductive substrate is mesh shaped or fiber shaped and comprises crossly arranged substrate units claim 3 , and the tellurium/telluride nanowires are surrounded on a surface of the conductive substrate.5. The method of claim 1 , wherein the conductive substrate has strong reducibility claim 1 , and the conductive substrate is made from ...

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Номер записи: 19

09-01-2020 дата публикации

COMPOSITE NANOPARTICLE COMPOSITIONS AND ASSEMBLIES

Номер: US20200013939A1

Автор: Carroll David L., DUN Chaochao, HEWITT Corey, SUMMERS Robert

Принадлежит:

Composite nanoparticle compositions and associated nanoparticle assemblies are described herein which, in some embodiments, exhibit enhancements to one or more thermoelectric properties including increases in electrical conductivity and/or Seebeck coefficient and/or decreases in thermal conductivity. In one aspect, a composite nanoparticle composition comprises a semiconductor nanoparticle including a front face and a back face and sidewalls extending between the front and back faces. Metallic nanoparticles are bonded to at least one of the sidewalls establishing a metal-semiconductor junction. 1. A composite nanoparticle composition comprising:a semiconductor nanoparticle including a front face and a back face and sidewalls extending between the front and back faces; andmetallic nanoparticles bonded to at least one of the sidewalls establishing a metal-semiconductor junction.2. The composite nanoparticle of claim 1 , wherein the metallic nanoparticles are bonded to a plurality of the sidewalls establishing multiple metal-semiconductor junctions.3. The composite nanoparticle of claim 1 , wherein a Schottky barrier is established at the metal-semiconductor junction.4. The composite nanoparticle of claim 3 , wherein the Schottky barrier has a height of at least 100 meV.5. The composite nanoparticle of claim 1 , wherein the semiconductor nanoparticles is a chalcogenide.6. The composite nanoparticle of claim 5 , wherein the metallic nanoparticles are formed of one or more transition metals.7. The composite nanoparticle of claim 6 , wherein the one or more transition metals are selected from Groups IVA-VIIIA and Group IB of the Periodic Table.8. The composite nanoparticle of claim 6 , wherein the one or more transition metals are a noble metal.9. The composite nanoparticle of claim 1 , wherein the semiconductor nanoparticle is a platelet.10. The composite nanoparticle of further comprising an interfacial transition region between the semiconductor nanoparticle and ...

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Номер записи: 20

19-01-2017 дата публикации

GRAPHITE PLATE AND PRODUCTION METHOD THEREOF

Номер: US20170015560A1

Автор: Kitaura Hidetoshi, Nakaya Kimiaki, Nishikawa Kazuhiro, NISHIKI NAOMI, TANAKA Atsushi

Принадлежит:

A graphite plate has a surface roughness Ra from 10 μm to less than 40 μm and a surface-unevenness variation of 0.01% to 0.135% in any span 80 mm long within the surface of the graphite plate. A method for producing a graphite plate, includes r subjecting a polymer film to a heat treatment in an inert gas, wherein the heat treatment is conducted at 2400° C. to 3200° C., and a pressure of 10 kg/cm to 100 kg/cmis applied to the polymer film at 200° C. or higher. 1. A graphite plate. , having , a surface roughness Ra from 10 μm to less than 40 μm , and a surface-unevenness variation of 0.01% to 0.135% in any span 80 mm long within the surface of the graphite plate.2. The graphite plate according to claim 1 , wherein the graphite plate has a thickness of 25 μm to 2 mm claim 1 , and is obtained by subjecting to a heat treatment one piece of a polymer film having a thickness of 25 μm to 150 μm claim 1 , or multiple pieces of the polymer film that are layered.3. The graphite plate according to claim 1 , the graphite plate having a heat conductivity of 700 W/mK to 1500 W/mK in the surface direction claim 1 , and a density of 1.0 g/cmto 2.2 g/cm.4. The graphite plate according to claim 1 , the graphite plate having a heat conductivity of 2 W/mK to 20 W/mK in the thickness direction claim 1 , and a density of 1.0 g/cmto 2.2 g/cm.5. A method for producing a graphite plate claim 1 , comprising: subjecting a polymer film to a heat treatment in an inert gas claim 1 , wherein the heat treatment is conducted claim 1 , at 2400° C. to 3200° C. claim 1 , and a pressure of 10 kg/cmto 100 kg/cmis applied to the polymer film at 2000° C. or higher.6. The method for producing a graphite plate according to claim 5 , wherein the polymer film is made of a condensation-based polymer such as polyimide claim 5 , polyamide claim 5 , polyoxadiazole claim 5 , polybenzothiazole claim 5 , polybenzobisthiazole claim 5 , polybenzoazole claim 5 , polybenzobisoxazole claim 5 , polyparaphenylenevinylene ...

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Номер записи: 21

19-01-2017 дата публикации

Process of manufacture of particles with a natural calcium carbonate and ethylene acrylic acid salts base, suspensions and dry pigments obtained, their uses

Номер: US20170015859A1

Автор: Beat Karth, Matthias Buri, Patrick A.C. Gane, Philipp Hunziker, Rene Burkhalter

Принадлежит: Omya International AG

The present invention consists of a process of preparation of at least one mineral matter and/or of at least one pigment, including a calcium carbonate made at once partially organophilic and partially hydrophilic, in which the carbonate is blended and/or ground and/or concentrated in an aqueous medium, in the presence of at least one salt of ethylene acrylic acid, one dispersing agent and/or one grinding aid agent, which is introduced before and/or during this treatment stage. Another object of the invention lies in the aqueous dispersions and suspensions of calcium carbonate thus obtained. They may be dried and the dry pigments obtained also constitute an object of the invention. Use of these aqueous dispersions and these dry pigments in the field of plastic, paints and paper constitutes another object of the invention.

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Номер записи: 22

18-01-2018 дата публикации

Method for aerogel production and aerogel composite material

Номер: US20180016152A1

Автор: Ivo Kym-Mijuskovic, Lukas Huber

Принадлежит: Flumroc Ag

The present invention relates to a method for aerogel production and to a composite material produced by said method and comprising an aerogel and mineral fibers. An aerogel material produced on the basis of silicate with a coefficient of thermal conductivity of <18 mW/mK is obtainable by rendering it hydrophobic with HMDSO in the presence of nitric acid.

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Номер записи: 23

17-01-2019 дата публикации

METHOD FOR FABRICATING A TITANIUM-CONTAINING SILICON OXIDE MATERIAL WITH HIGH THERMAL STABILITY AND APPLICATIONS OF THE SAME

Номер: US20190015817A1

Автор: Hsu Yu-Chuan, TSAI Hsi-Chin

Принадлежит:

The present invention discloses a method for fabricating a titanium-containing silicon oxide material with high thermal stability and applications of the same, wherein a titanium source, a silicon source, an alkaline source, a template molecule and a peroxide are formulated into an aqueous solution; the aqueous solution reacts to generate a solid product; the solid product is separated from the aqueous solution with a solid-liquid separation process and dried; the solid product is calcined to obtain a titanium-containing silicon oxide material with high specific surface area. The titanium-containing silicon oxide material fabricated by the present invention has high thermal stability. Therefore, it still possesses superior catalytic activity after calcination. The titanium-containing silicon oxide material can be used to catalyze epoxidation of olefin and is very useful in epoxide production. 1. A method for fabricating a titanium-containing silicon oxide material with high thermal stability , comprising steps:mixing a titanium source, a silicon source, an alkaline source, a template molecule, a solvent and a peroxide to form an aqueous solution;after said aqueous solution have reacted, undertaking a solid-liquid separation process of said aqueous solution, and undertaking a drying process of a solid product separated from said aqueous solution; and {'br': None, 'i': x', 'x, 'sub': 2', '2, 'TiO(1−)SiO\u2003\u2003(I)'}, 'undertaking a calcination process of said solid product acquired in said solid-liquid separation process to obtain a titanium-containing silicon oxide material having Formula (I) in an anhydrous statewherein x ranges from 0.00001-0.5;wherein said titanium-containing silicon oxide material has an average pore size of 10 angstroms or more;wherein said titanium-containing silicon oxide material has a pore size of 90% or more of the total pore volume of 5 to 200 Å; and{'sup': '3', 'wherein said titanium-containing silicon oxide material has a specific ...

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Номер записи: 24

21-01-2021 дата публикации

FILLER FOR RESINOUS COMPOSITION, FILLER-CONTAINING SLURRY COMPOSITION AND FILLER-CONTAINING RESINOUS COMPOSITION AS WELL AS PRODUCTION PROCESS FOR FILLER FOR RESINOUS COMPOSITION

Номер: US20210017392A1

Автор: HAGIMOTO Shinta, KURAKI Masaru, TOMITA Nobutaka

Принадлежит: ADMATECHS CO., LTD.

A filler for resinous composition is contained and used in resinous composition constituting electronic packaging material for electronic device, and includes: a filler ingredient including a crystalline siliceous material with a crystal structure made of at least one member selected from the group consisting of type FAU, type FER, type LTA, type MFI and type CHA, and/or type MWW, wherein: the filler ingredient is free of any activity when evaluated by an “NH3-TPD” method; and includes the crystalline siliceous material in an amount falling in a range allowing the filler ingredient to exhibit a negative thermal expansion coefficient. The filler ingredient may further be free of a surface in which silver, copper, zinc, mercury, tin, lead, bismuth, cadmium, chromium, cobalt and nickel are exposed. 1. A filler for resinous composition , the filler contained and used in resinous composition constituting electronic packaging material for electronic device , the filler comprising:a filler ingredient including a crystalline siliceous material with a crystal structure made of at least one member selected from the group consisting of type FAU, type FER, type LTA, type MFI, type CHA, and type MWW, wherein:the filler ingredient does not have any activity when evaluated by an NH3-TPD method;the filler ingredient includes the crystalline siliceous material in an amount falling in a range allowing the filler ingredient to exhibit a negative thermal expansion coefficient;the crystalline siliceous material includes an alkali metal in a content of 0.1% by mass or less; andwhen the crystalline siliceous material is immersed in water conditioned at 120° C. and under two atm for 24 hours, an amount of each of Li, Na and K extracted in the water is five ppm or less.2. A filler for resinous composition , the filler contained and used in resinous composition , the filler comprising:a filler ingredient including a crystalline siliceous material with a crystal structure made of at least one ...

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Номер записи: 25

26-01-2017 дата публикации

Nanofluid coolant

Номер: US20170022405A1

Автор: Jyothirmayee Aravind SASIDHARANNAIR SASIKALADEVI, Ramaprabhu Sundara

Принадлежит: INDIAN INSTITUTE OF TECHNOLOGY MADRAS

Technologies are generally described for forming a nanofluid coolant and structures including a nanofluid coolant. In an example, a method of forming a nanofluid coolant may comprise combining a compound with an acid and with purified water to form a solution. The compound may include manganese. The method may further include heating the solution and, after heating the solution, cooling the solution effective to form at least one precipitate that includes manganese and oxygen. The method may further include filtering the at least one precipitate to form a powder that includes manganese oxide nanotubes. The method may further include functionalizing the nanotubes by irradiating them with UV radiation. The method may further include combining the functionalized manganese oxide nanotubes with a polar solvent to form the nanofluid coolant.

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Номер записи: 26

26-01-2017 дата публикации

POROUS PLATE-SHAPED FILLER, HEAT INSULATION FILM, AND METHOD FOR PRODUCING POROUS PLATE-SHAPED FILLER

Номер: US20170023168A1

Автор: KOBAYASHI Hiroharu, ORIBE Akinobu, TOMITA Takahiro

Принадлежит: NGK Insulators, Ltd.

A porous plate-shaped filler is a plate shape having an aspect ratio of 3 or more, and has a minimum length of 0.1 to 50 μm and a porosity of 20 to 90%. Furthermore, the porous plate-shaped filler includes plate-shaped pores having an aspect ratio of 1.5 or more. Consequently, in the porous plate-shaped filler, a thermal conductivity is low. The heat insulation film includes the porous plate-shaped filler, whereby a heat insulation effect of the heat insulation film can improve. 1. A porous plate-shaped filler which is a plate shape having an aspect ratio of 3 or more , has a minimum length of 0.1 to 50 μM and a porosity of 20 to 90% , andincludes plate-shaped pores having an aspect ratio of 1.5 or more.2. The porous plate-shaped filler according to claim 1 ,wherein in a cross section in a direction of the minimum length of the porous plate-shaped filler, an average of angles between directions of minimum lengths of the pores and the direction of the minimum length of the porous plate-shaped filler is 45° or less.3. The porous plate-shaped filler according to claim 1 ,wherein a thermal conductivity in the direction of the minimum length of the porous plate-shaped filler is 1 W/(m·K) or less.4. A heat insulation film which includes the porous plate-shaped filler according to .5. The heat insulation film according to claim 4 ,wherein the thermal conductivity in a thickness direction is 1.5 W/(m·K) or less.6. A method for producing the porous plate-shaped filler according to claim 1 , which comprises: preparing a slurry including a plate-shaped pore former having an aspect ratio of 1.5 or more; and firing the pore former to produce the porous plate-shaped filler including the plate-shaped pores having an aspect ratio of 1.5 or more.7. The method for producing the porous plate-shaped filler according to claim 6 ,wherein a viscosity of the slurry is from 100 to 90000 cps. The present invention relates to a porous plate-shaped filler to form a heat insulation film in ...

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Номер записи: 27

10-02-2022 дата публикации

MODIFIED ZIRCONIUM PHOSPHATE TUNGSTATE, NEGATIVE THERMAL EXPANSION FILLER AND POLYMER COMPOSITION

Номер: US20220041841A1

Автор: Fukazawa Junya, Hata Toru, Kato Takuma

Принадлежит: Nippon Chemical Industrial Co., Ltd.

There is provided a modified zirconium phosphate tungstate which effectively suppresses the elution of phosphorus ions even when it contacts with water, can develop the performance excellent as a negative thermal expansion material, and can be dispersed in a polymer compound such as a resin, and use of which enables a low-thermal expansive material containing a negative thermal expansion filler to be well produced. The surface of a zirconium phosphate tungstate particle is coated with an inorganic compound containing one or two or more elements (M) selected from Zn, Si, Al, Ba, Ca, Mg, Ti, V, Sn, Co, Fe and Zr. The BET specific surface area of the zirconium phosphate tungstate particle is preferably 0.1 m/g to 50 m/g. 1. A modified zirconium phosphate tungstate , wherein a surface of a zirconium phosphate tungstate particle is coated with an inorganic compound containing one or two or more elements (M) selected from Zn , Si , Al , Ba , Ca , Mg , Ti , V , Sn , Co , Fe and Zr ,wherein an amount of phosphorus ions eluted when 1 g of the modified zirconium phosphate tungstate is heated in 70 mL of water at 85° C. for 1 hour, then cooled to 25° C. and allowed to stand for 24 hours is 100 μg or smaller per g of the modified zirconium phosphate tungstate.2. The modified zirconium phosphate tungstate according to claim 1 , wherein the particle has a BET specific surface area of 0.1 m/g to 50 m/g.3. The modified zirconium phosphate tungstate according to claim 1 , wherein the particle has an average particle diameter of 0.02 μm to 50 μm.4. The modified zirconium phosphate tungstate according to claim 1 , wherein the particle further comprises a sub-component element.5. The modified zirconium phosphate tungstate according to claim 1 , wherein a coating amount of the inorganic compound in terms of the element (M) contained in the inorganic compound with respect to the particle is 0.1% by mass to 10% by mass.6. (canceled)7. The modified zirconium phosphate tungstate according ...

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Номер записи: 28

10-02-2022 дата публикации

HIGH-TEMPERATURE THERMOCHEMICAL ENERGY STORAGE MATERIALS USING DOPED MAGNESIUM-TRANSITION METAL SPINEL OXIDES

Номер: US20220041913A1

Автор: Hashimoto Jayni, Muhich Christopher, Rajput Harsheen, Rivera Daniel

Принадлежит: Arizona Board of Regents on behalf of Arizona State University

High-temperature thermochemical energy storage materials using doped magnesium-transition metal spinel oxides are provided. —transition metal spinel oxides, such as magnesium manganese oxide (MgMn)O, are promising candidates for high-temperature thermochemical energy storage applications. However, the use of these materials has been constrained by the limited extent of their endothermic reaction. Embodiments described herein provide for doping magnesium-transition metal spinel oxides to produce a material of low material costs and with high energy densities, creating an avenue for plausibly sized modules with high energy storing capacities. 1. A thermochemical energy storage material , comprising:a magnesium-transition metal spinel oxide; anda dopant metal doping the magnesium-transition metal spinel oxide to enhance thermochemical energy storage.2. The thermochemical energy storage material of claim 1 , wherein the dopant metal comprises a transition metal.3. The thermochemical energy storage material of claim 1 , wherein the dopant metal comprises an alkali metal.4. The thermochemical energy storage material of claim 1 , wherein the dopant metal is a substituting material for at least one of the magnesium or the transition metal of the magnesium-transition metal spinel oxide.5. The thermochemical energy storage material of claim 1 , wherein the dopant metal can take on one of a +2 claim 1 , a +3 claim 1 , a +4 claim 1 , or a +5 oxidation state when the thermochemical energy storage material is in an oxidized form and a +2 state when the thermochemical energy storage material is in a reduced form.6. The thermochemical energy storage material of claim 1 , wherein the magnesium-transition metal spinel oxide comprises magnesium manganese oxide.7. The thermochemical energy storage material of claim 6 , wherein the doping concentration of the dopant metal is between 0.01% and 10%.8. The thermochemical energy storage material of claim 6 , wherein the dopant metal ...

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Номер записи: 29

25-01-2018 дата публикации

GRAPHITE LAMINATES, PROCESSES FOR PRODUCING GRAPHITE LAMINATES, STRUCTURAL OBJECT FOR HEAT TRANSPORT, AND ROD-SHAPED HEAT-TRANSPORTING OBJECT

Номер: US20180023904A1

Автор: Inaba Keisuke, KATO Yusuke, KUTSUMIZU Makoto, Nishikawa Yasushi, Sakagami Michiyasu

Принадлежит: KANEKA CORPORATION

The present invention provides, with use of a particular material, (i) a graphite laminate that has high thermal conductivity and that is unlikely to contain a void, (ii) a graphite laminate that is good in thermal conductivity and peel strength, (iii) methods for producing such graphite laminates, (iv) heat transport structures including such graphite laminates, (v) a rod-shaped heat transporter whose operating temperature is not limited and which can be used stably, and (vi) an electronic device including a rod-shaped heat transporter. 110.-. (canceled)11. A graphite laminate , comprising:graphite sheets; andadhesive layers,the graphite sheets and the adhesive layers being disposed alternately on top of each other,the adhesive layers each containing at least one of a thermoplastic resin and a thermosetting resin,the adhesive layers each having a water absorption rate of not more than 2% and a thickness of less than 15 μm,the graphite sheets being included in the graphite laminate in a number of not less than 3.12. A graphite laminate , comprising:graphite sheets; andadhesive layers,the graphite sheets and the adhesive layers being disposed alternately on top of each other,the adhesive layers each containing at least one of a thermoplastic resin and a thermosetting resin,the adhesive layers each having a thickness of less than 15 μm,the graphite sheets being included in the graphite laminate in a number of not less than 3,the graphite laminate having a water absorption rate of not more than 0.25%.13. The graphite laminate according to claim 11 , wherein the thermoplastic resin and the thermosetting resin each have a glass transition point of not lower than 50° C.14. The graphite laminate according to claim 11 , wherein the graphite sheets each have a thermal conductivity of not less than 1000 W/(m·K) in a surface direction.15. The graphite laminate according to claim 11 , wherein the graphite laminate is bent so as to have at least one bent portion.16. A graphite ...

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Номер записи: 30

24-01-2019 дата публикации

Super-flexible high thermal conductive grapheme film and preparation method thereof

Номер: US20190023575A1

Автор: Chao Geo, Li Peng, Yanqiu Jiang, Yingjun Liu

Принадлежит: Zhejiang University ZJU

A super-flexible high thermal conductive graphene film and a preparation method thereof are provided. The graphene film is obtained from ultra large homogeeous graphene sheets through processes of solution film-forming, chemical reduction, high temperature reduction, high pressure suppression and so on. The graphene film has an intensity in a range of 1.93 to 2.11 g/cm 3 , is formed by overlapping planar oriented graphene sheets with an average size of more than 100 μm with each other through π-π conjugate action, and comprises 1 to 4 layers of graphene sheets which have few defects. The graphene film can be repeatedly bent for 1200 times or more, with elongation at break of 12-18%, electric conductivity of 8000-10600 S/cm, thermal conductivity of 1800-2600 W/mK, and can be used as a highly flexible thermal conductive device.

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Номер записи: 31

24-01-2019 дата публикации

Composite material containing artificial graphite, graphite sheet and manufacturing method of manufacturing the same

Номер: US20190023576A1

Автор: Chi-Sheng Chen, Der-Jen Sun, Yen-Huey Hsu

Принадлежит: Mortech Corp

A method of manufacturing composite material containing artificial graphite is disclosed. An artificial graphite powder and a first solvent are mixed together to obtain a graphite dispersion solution, and a particle size of the graphite powder is less than 50 μm. The graphite dispersion solution and a polyamic acid solution are mixed together to obtain a liquid mixture. The liquid mixture is heated to obtain a polyamic acid film containing artificial graphite powder. The imidization of the polyamic acid film is performed to obtain the composite material containing artificial graphite. A method of manufacturing a graphite sheet by using the composite material containing artificial graphite as raw material is disclosed.

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Номер записи: 32

23-01-2020 дата публикации

THERMAL INTERFACE MATERIAL, METHOD FOR THERMALLY COUPLING WITH THERMAL INTERFACE MATERIAL, AND METHOD FOR PREPARING THERMAL INTERFACE MATERIAL

Номер: US20200024496A1

Автор: MURAKAMI Mutsuaki, Tachibana Masamitsu, Tatami Atsushi

Принадлежит: KANEKA CORPORATION

A thermal interface material for transferring heat by interposing between two materials may include a graphite film and a fluid substance. The graphite film may have a thickness of 100 nm to 15 μm, and a weight ratio of the fluid substance to the graphite film may be 0.08 to 25. 1. A thermal interface material for transferring heat by interposing between two materials , wherein the thermal interface material comprises a graphite film and a fluid substance , the graphite film has a thickness of 100 nm to 15 μm , and a weight ratio of the fluid substance to the graphite film is 0.08 to 25.2. The thermal interface material according to claim 1 , wherein the graphite film has a density of 1.20 g/cmto 2.26 g/cm claim 1 , and a thermal conductivity of 500 W/mK to 2000 W/mK in a film plane direction.3. The thermal interface material according to claim 1 , wherein the fluid substance is a solid at 20° C. claim 1 , the fluid substance has a deformation property on a load of 0.5 MPa at 20° C. claim 1 , and a thickness of the fluid substance after the deformation is ½ or less a thickness of the fluid substance before the deformation.4. The thermal interface material according to claim 1 , wherein the fluid substance is a liquid at 20° C. claim 1 , and the fluid substance has a boiling point of 150° C. or more.5. The thermal interface material according to claim 1 , wherein the fluid substance comprises at least one selected from an acrylic polymer claim 1 , an epoxy resin claim 1 , and a silicone polymer.6. A method for thermally coupling materials with the thermal interface material according to claim 1 , wherein a thermal resistance of the thermal interface material is 0.4° C.·cm/W or less on a load of 0.2 MPa.7. A method for thermally coupling materials with the thermal interface material according to claim 1 , wherein a ratio of a thermal resistance Ron a load of 0.1 MPa to a thermal resistance Ron a load of 0.5 MPa of the thermal interface material is 1.0 to 1.8.8. A ...

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Номер записи: 33

28-01-2021 дата публикации

SINTERED METAL CARBIDE AND HEAT-RESISTANT MEMBER FOR SILICON CARBIDE SEMICONDUCTOR MANUFACTURING DEVICE COMPRISING SAME

Номер: US20210024357A1

Автор: IMAURA Shoji, KAJINO Hitoshi

Принадлежит:

Out of sintered metal carbides having an extremely high melting point, there is provided a sintered metal carbide which can be produced without having to perform sintering under high pressure such as hot pressing or HIP, having a high relative density and excellent mechanical strength. A sintered metal carbide of at least one metal selected from the group consisting of elements of Groups 4 and 5 of the periodic table, wherein the sintered metal carbide contains Si element of 0.1 wtppm or more and 10,000 wtppm or less. 1. A sintered carbide of at least one metal selected from the group consisting of Groups 4 and 5 elements of the periodic table , comprising:0.1 wtppm or more and 10,000 wtppm or less of Si element.2. The sintered metal carbide according to claim 1 , wherein the at least one metal is selected from the group consisting of Ta claim 1 , Nb claim 1 , Ti claim 1 , and Zr.3. The sintered metal carbide according to claim 1 , wherein a relative density of the sintered metal carbide is 95% or more.4. The sintered metal carbide according to claim 1 , wherein the sintered metal carbide includes pores and an average size of the pores is 50 μm or less.5. The sintered metal carbide according to claim 1 , wherein the sintered metal carbide has a closed porosity of 5% or less.6. The sintered metal carbide according to claim 1 , wherein a total emissivity at 25° C. of the sintered metal carbide measured in accordance with JIS R 1693-2:2012 is 10% or more and 40% or less.7. A heat-resistant member for a silicon carbide semiconductor manufacturing device claim 1 , comprising:a sintered metal carbide of at least one metal selected from the group consisting of Groups 4 and 5 elements of the periodic table, comprising:0.1 wtppm or more and 10,000 wtppm or less of Si element.8. The heat-resistant member according to claim 7 , wherein the at least one metal is selected from the group consisting of Ta claim 7 , Nb claim 7 , Ti claim 7 , and Zr.9. The heat-resistant member ...

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Номер записи: 34

28-01-2021 дата публикации

Negative thermal expansion material and production method thereof

Номер: US20210024360A1

Автор: Kei Muneyasu, Makoto Mikami, Yoshiki Yamazaki

Принадлежит: JX Nippon Mining and Metals Corp

A negative thermal expansion material, being formed from MxSryBazZn2Si2O7 (wherein M is one or more types of Na and Ca, and x+y+z=1, 0<x≤0.5, 0.3<z<1.0), and an XRD peak intensity INTR and a background intensity IBG of a primary phase of an orthorhombic crystal structure which exhibits negative expansion characteristics satisfy a relation of INTE/IBG>15. An object of the present invention is to provide a negative thermal expansion material having a low specific gravity, and a negative thermal expansion material having a low Ba content.

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Номер записи: 35

28-01-2021 дата публикации

Dumbbell-shaped calcium hydroxide nanoparticles, an enhanced fuel comprising the nanoparticles, and a method for making

Номер: US20210024363A1

Автор: Mohammad Ramzan Saeed Ashraf Janjua, Saba JAMIL, Shanza Rauf KHAN

Принадлежит: KING FAHD UNIVERSITY OF PETROLEUM AND MINERALS

Nanoparticles of calcium hydroxide having a dumbbell shape, wherein the dumbbell shape has rounded ends separated by a narrow central portion, wherein a ratio of a largest width of the central portion to a largest width of the rounded ends is 0.30 to 0.75, a length is in the range of 500 nm to 1100 nm, the largest width of the narrow central portion is 100 to 250 nm, and the largest width of the narrow central portion is 100 to 250 nm. The nanoparticles have a mesoporous structure and are made up of subparticles that have a size of 5 to 75 nm. A method of making the nanoparticles from calcined calcium carbonate sources is disclosed. Also disclosed is an enhanced fuel containing the nanoparticles.

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Номер записи: 36

28-01-2021 дата публикации

PRECIPITATED SILICA AND PROCESS FOR ITS MANUFACTURE

Номер: US20210024755A1

Автор: ALLAIN NAJMAN Emmanuelle, BERTRY Laure, FERAL-MARTIN Cédric

Принадлежит:

A precipitated silica suitable for thermal insulation applications and a process for its manufacture. 115-. (canceled)16. The Precipitated silica characterised by:{'sup': '2', 'a CTAB surface area equal to or greater than 160 m/g;'}a volume of the pores having a diameter of less than 100 nm equal to or greater than 1.15 mL/g; anda carbon content of from 0.5 wt % to 15.0 wt % with respect to the total weight of silica.17. The Precipitated silica according to characterised in that it comprises linear or branched alkyl moieties of formula (CH)— chemically bound to Si atoms claim 16 , wherein m is an integer from 1 to 5 and wherein the resonance assigned to the methyl groups in said alkyl moieties in the C NMR spectrum of the precipitated silica is between −2.5 and −4.5 ppm.18. The precipitated silica of wherein the chemically bound alkyl moieties are methyl groups.19. The precipitated silica of which is characterised by a thermal conductivity λ claim 16 , measured at 1 bar claim 16 , of no more than 50 mW/m.K.20. The precipitated silica of anyone of characterized by a CTAB surface area in the range from 160 to 600 m/g.21. The precipitated silica of anyone of characterized by a packing density of at most 0.50 g/cm.22. A process for preparing the precipitated silica of which comprises the reaction of a silicate with a carboxylic acid to produce a suspension of precipitated silica claim 16 , said reaction comprising at least one step wherein at least one alkali metal alkyl siliconate is provided to the reaction medium before 50% of the precipitation reaction has taken place.23. The process according to which comprises the steps of:(i) providing a starting solution comprising at least a portion of the total amount of the alkali metal alkyl siliconate, at least a portion of the total amount of the silicate involved in the reaction and optionally an electrolyte, the concentration of silicate in the starting solution being less than 100 g/L;(ii) adding an amount of a ...

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Номер записи: 37

28-01-2021 дата публикации

MN-ACTIVATED OXIDOHALIDES AS CONVERSION LUMINESCENT MATERIALS FOR LED-BASED SOLID STATE LIGHT SOURCES

Номер: US20210024824A1

Автор: Jansen Thomas, Juestel Thomas, Koehler Ingo, Petry Ralf, SIEVERT Katharina

Принадлежит: LITEC-VERMÖGENSVERWALTUNGSGESELLSCHAFT MBH

The present invention relates to Mn-activated luminescent materials, to a process for preparation thereof and to the use thereof as luminophores or conversion luminophores in light sources. The present invention further relates to a radiation-converting mixture comprising the luminescent material of the invention and a light source comprising the luminescent material of the invention or the radiation-converting mixture. The present invention further provides light sources, especially LEDs, and lighting units comprising a primary light source and the luminescent material of the invention or the radiation-converting mixture. The Mn-activated luminescent materials of the invention are especially suitable for creation of warm white light in LEDs. 1. Compound of the general formula (I):{'br': None, 'sub': 4-a', 'a', 'm/2+n/2', '2m', '4', '2', 'n, '(AB)X[MXO]\u2003\u2003(I)'}doped with Mn(IV), where the symbols and indices used are as follows:A is selected from the group consisting of H and D and mixtures thereof, where D is deuterium;{'sub': 4', '4', '4, 'B is selected from the group consisting of Li, Na, K, Rb, Cs, NH, ND, NRand mixtures of two or more thereof, where R is an alkyl or aryl radical;'}X is selected from the group consisting of F and Cl and mixtures thereof;M is selected from the group consisting of Cr, Mo, W, Re and mixtures of two or more thereof;0≤a≤4; 0 Подробнее

Номер записи: 38

17-02-2022 дата публикации

AEROGEL BLANKET AND METHOD FOR PRODUCING SAME

Номер: US20220048778A1

Автор: BAEK Se Won, JEON Hyun Woo, KIM Bong June, Kim Young Hun, MIN Kyung Seok, Park Sang Woo, YU Sung Min

Принадлежит:

Provided is an aerogel blanket and a method for producing the same, wherein a catalyzed sol I sufficiently and uniformly impregnated into a blanket in an impregnation tank, and the catalyzed sol is allowed to stay in the impregnation tank for a specific time to control fluidity while achieving a viscosity at which the catalyzed sol can be easily introduced into the blanket, thereby forming a uniform aerogel in the blanket. As a result, the uniformity of pore structure and thermal insulation performance of an aerogel blanket are improved, the loss of raw materials is reduced through the impregnation process, the occurrence of process problems is reduced, and the generation of dust is reduced. 1. A method for producing an aerogel blanket , the method comprising:1) introducing a precursor solution and a catalyst solution into an impregnation tank and allowing a catalyzed sol to stay in the impregnation tank to increase in viscosity;2) passing a base material for a blanket through the impregnation tank to allow the catalyzed sol to penetrate into the base material for a blanket; and3) subjecting the base material for a blanket into which the catalyzed sol has been penetrated to gelation on a moving element,wherein a retention time of the catalyzed sol in the impregnation tank is 0.1 minutes to 40 minutes.2. The method of claim 1 , wherein the catalyzed sol is allowed to stay in the impregnation tank such that the viscosity is 5.5 mPa·s to 100 mPa·s when introduced into the base material for a blanket.3. The method of claim 1 , wherein the catalyzed sol is allowed to stay in the impregnation tank such that the viscosity when introduced into the base material for a blanket is 1.2 to 6.0 times the viscosity of the catalyzed sol immediately after being introduced into or formed in the impregnation tank.4. The method of claim 1 , wherein the precursor solution and the catalyst solution are simultaneously introduced into the impregnation tank claim 1 , or are mixed before ...

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Номер записи: 39

17-02-2022 дата публикации

Thermal Insulation

Номер: US20220048827A1

Автор: Farid Modarresifar

Принадлежит: Thermal Ceramics UK Ltd

The present invention relates to inorganic fibres having a composition comprising: 65.7 to 70.8 wt % SiO 2 ; 27.0 to 34.2 wt % CaO; 0.10 to 2.0 wt % MgO; and optional other components providing the balance up to 100 wt %, wherein the sum of SiO 2 and CaO is greater than or equal to 97.8 wt %; and the other components, when present, comprise no more than 0.80 wt % Al 2 O 3 ; and wherein the amount of MgO and other components are configured to inhibit the formation of surface crystallite grains upon heat treatment at 1100° C. for 24 hours, wherein said surface crystallite grains comprise an average crystallite size in a range of from 0.0 to 0.90 μm.

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Номер записи: 40

31-01-2019 дата публикации

NITRIDE ALUMINUM PARTICLE

Номер: US20190031510A1

Автор: FUJII Saiko, KANECHIKA Yukihiro, KURAMOTO Akimasa, NAWATA Teruhiko, OU Mou, YAMAMOTO Kikuo

Принадлежит: TOKUYAMA CORPORATION

To provide an aluminum nitride particle having a hexagonal columnar barrel part and bowl-like projection parts at both ends of the columnar part, wherein the long diameter (D) of the barrel part is 10 to 250 μm, the ratio (L/D) of the distance (L) between the apexes of the two projection pars to the long diameter (D) of the barrel part is 0.7 to 1.3, and the percentage of the length or thickness (L) of the barrel part to the distance (L) between the apexes of the two projection parts is 10 to 60%. The aluminum nitride particle can provide high heat conductivity and excellent electric insulation to a resin when it is filled into the resin. 1. An aluminum nitride particle having a hexagonal columnar barrel part and bowl-like projection parts at both ends of the columnar part , wherein the long diameter (D) of the barrel part is 10 to 250 μm , the ratio (L/D) of the distance (L) between the apexes of the two projection pars to the long diameter (D) of the barrel part is 0.7 to 1.3 , and the percentage of the length or thickness (L) of the barrel part to the distance (L) between the apexes of the two projection parts is 10 to 60%.2. The aluminum nitride particle according to claim 1 , wherein part of each of the projection parts is flat.3. The aluminum nitride particle according to claim 1 , wherein the number of voids which are existent in the aluminum nitride particle and have a diameter of 2 μm or more is 5 or less for each particle.4. An aluminum nitride powder containing not less than 40 vol % of the aluminum nitride particle of .5. A resin composition comprising the aluminum nitride particle of and a resin claim 1 , wherein the amount of the aluminum nitride particle in the resin composition is 300 to 1 claim 1 ,000 parts by weight based on 100 parts by weight of the resin.6. The resin composition according to claim 5 , wherein the resin is a thermoplastic resin or thermosetting resin.7. A molded body formed from the resin composition of .8. A method of producing ...

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Номер записи: 41

31-01-2019 дата публикации

RUTHENIUM OXIDE AND METHOD FOR PRODUCING RUTHENIUM OXIDE

Номер: US20190031528A1

Автор: INOUE Naruhiro, OKAMOTO Yoshihiko, SHINODA Tsubasa, TAKENAKA Koshi

Принадлежит: National University Corporation Nagoya University

A ruthenium compound exhibits large negative thermal expansion. The ruthenium oxide is represented by the formula (1) CaRRuMO(wherein R represents at least one element selected from among alkaline earth metals and rare earth elements; M represents at least one element selected from among Sc, Ti, V, Cr, Mn, Fe, Co, Ni, Cu, Zn, and Ga; and the following relations are satisfied: 0≤x<0.2, 0≤y<0.3, and −1 Подробнее

Номер записи: 42

04-02-2021 дата публикации

METHOD OF FORMING A ß-SiAlON BY SPARK PLASMA SINTERING

Номер: US20210032105A1

Автор: Ehsan Muhammad Ali, HAKEEM Abbas Saeed, MURAZA Oki, UL-HAMID Anwar

Принадлежит: KING FAHD UNIVERSITY OF PETROLEUM AND MINERALS

A method of making a β-SiAlON is described in involves mixing nanoparticles of AlN, AlO, and SiOwith particles of SiNand spark plasma sintering the mixture. The sintering may be at a temperature of 1450-1600° C. or about 1500° C. The particles of SiNmay be nanoparticles comprising amorphous SiN, or 25-55 μm diameter microparticles comprising β-SiN. 1. A method of making a β-SiAlON , comprising:{'sub': 3', '3', '2', '3', '4', '3', '4, 'mixing nanoparticles of AlN, AlO, and SiOwith particles of SiNhaving an average diameter in a range of 15 nm-60 μm to form a powder mixture, wherein tire SiNis present in the powder mixture at a weight percentage of 40-85 wt %, relative to a total weight of the powder mixture; and'}spark plasma sintering the powder mixture at a temperature of 1450-1600° C. and a pressure of 40-60 MPa to form the β-SiAlON.2. The method of claim 1 , wherein the powder mixture is ultrasonicated in an organic solvent and dried before the spark plasma sintering.3. The method of claim 1 , wherein the spark plasma sintering is at a temperature in a range of 1480-1520° C.4. The method of claim 1 , wherein the spark plasma sintering uses a heating rate in a range of 80-120° C./min.5. The method of claim 1 , wherein the powder mixture is spark plasma sintered for a time in a range of 15-45 min.6. The method of claim 1 , wherein the β-SiAlON is substantially free of Ca.7. The method of claim 6 , wherein the β-SiAlON consists essentially of Si claim 6 , Al claim 6 , O claim 6 , and N.8. The method of claim 1 , wherein the SiOnanoparticles have an average diameter in a range of 10-30 nm.9. The method of claim 1 , wherein the β-SiAlON has a thermal expansion coefficient in a range of 2.20-2.45 ppm/K.103. The method of claim 1 , wherein the particles of SiNar nanoparticles of amorphous SiNhaving an average diameter in a range of 15-100 nm.11. The method of claim 10 , wherein the particles of SiNare nanoparticles of amorphous SiNhaving an average diameter in a range ...

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Номер записи: 43

04-02-2021 дата публикации

METHOD FOR PREPARING CERAMIC MATERIAL

Номер: US20210032120A1

Автор: HE Jiayang, HUANG Yanwei, ZENG Heping

Принадлежит:

Disclosed are a method for preparing a ceramic material including a compound of a formula of ABOand a ceramic material prepared by the method. The method includes: mixing a first oxide of AOand a second oxide of BOto obtain a mixture, ball-milling the mixture until a particle size of the mixture is not greater than 1 μm with a medium selected from a group consisting of ethanol, acetone, deionized water and a combination thereof, to obtain a powder, drying the powder at a temperature in a range of 60 to 80° C., and sintering the powder with a laser irradiation having a laser wavelength of 980 nm, an irradiation power ranging from 50 to 1500 W and an irradiation period of 3 s to 8 min to obtain the ceramic material. 1. A method for preparing a ceramic material comprising a compound of a formula of ABO , where A is at least one of Sc , Y , La , Nd , Eu , Gd , Dy , Er , Yb and Lu , B is at least one of Ti , Zr , Ce and Hf , 2≤x≤10 , 7≤y≤20 , and 0≤y/x≤3.5 , the method comprising:{'sub': m', 'n, 'mixing a first oxide of AOand a second oxide of BOto obtain a mixture,'}ball-milling the mixture until a particle size of the mixture is not greater than 1 μm with a medium selected from a group consisting of ethanol, acetone, deionized water and a combination thereof, to obtain a powder,drying the powder at a temperature in a range of 60 to 80° C., andsintering the powder with a laser irradiation having a laser wavelength of 980 nm, an irradiation power ranging from 50 to 1500 W, a spot diameter ranging from 10 to 15 mm and an irradiation period of 3 s to 8 min to obtain the ceramic material.2. The method according to claim 1 , wherein the ball-milling is performed at a ball-milling speed of 400 rpm for a period ranging from 8to 24 h.3. The method according to claim 1 , wherein after the powder is obtained claim 1 , the method further comprises a granulation process comprising:preparing an aqueous binder solution being of 1 to 10% of a binder by mass,dividing the aqueous binder ...

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Номер записи: 44

17-02-2022 дата публикации

THERMOELECTRIC CONVERSION TECHNIQUE

Номер: US20220052245A1

Автор: KANEKO Yuriko, KANNO Tsutomu, NAM HYUNJEONG, SATO Hiroki, TAMAKI Hiromasa

Принадлежит:

The present disclosure provides a thermoelectric conversion material having a composition represented by a chemical formula of LiMgSi. In this thermoelectric conversion material, either requirement (i) in which 0≤a≤0.0001 and 0.0001≤b≤0.25-or requirement (ii) in which 0.0001≤a≤0.25 and 0≤b≤0.25-is satisfied. The thermoelectric conversion material has an LiAlSitype crystalline structure. 1. A thermoelectric conversion material having a composition represented by a chemical formula of LiMgSi ,wherein{'claim-text': ['Requirement (i): 0≤a≤0.0001 and 0.0001≤b≤0.25-a', 'Requirement (ii): 0.0001≤a≤0.25 and 0≤b≤0.25-a, and'], '#text': 'either the following requirement (i) or (ii) is satisfied:'}{'sub': ['8', '3', '5'], '#text': 'the thermoelectric conversion material has an LiAlSitype crystalline structure.'}2. The thermoelectric conversion material according to claim 1 ,wherein the thermoelectric conversion material has a p-type polarity.3. The thermoelectric conversion material according to claim 1 ,wherein the thermoelectric conversion material has a polycrystalline structure, andthe polycrystalline structure includes crystalline grains having an average grain diameter of larger than or equal to 064 nm and smaller than or equal to 100 nm.4. The thermoelectric conversion material according to claim 3 ,wherein the average grain diameter is larger than or equal to 0.64 nm and smaller than or equal to 10 nm.5. A p-type thermoelectric conversion element comprising:a thermoelectric conversion portion,{'claim-ref': {'@idref': 'CLM-00001', '#text': 'claim 1'}, '#text': 'wherein the thermoelectric conversion portion comprises the thermoelectric conversion material according to .'}6. A thermoelectric conversion element comprising:a p-type thermoelectric conversion portion;an n-type thermoelectric conversion portion;a first electrode;a second electrode; anda third electrode,whereinone end of the p-type thermoelectric conversion portion and one end of the n-type thermoelectric ...

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Номер записи: 45

09-02-2017 дата публикации

Heat exchanger

Номер: US20170036507A1

Автор: Shinya Kasamatsu, Takuya Fuse, Yasushi Kono

Принадлежит: Denso Corp

A heat exchanger has (i) a first passage in which a first fluid flows, (ii) a heat storage body that is thermally connected to the first passage and stores a warm heat or a cold heat, and (iii) a second passage that is thermally connected to both of the first passage and the heat storage body, the second passage in which a second fluid flows. The heat storage body changes to a first phase in a solid state when a temperature of the heat storage body is lower than or equal to a phase transition temperature, and changes to a second phase in a solid state when the temperature of the heat storage body exceeds the phase transition temperature. The heat storage body stores or dissipates heat depending on a phase transition between the first phase and the second phase.

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Номер записи: 46

08-02-2018 дата публикации

LMFP Cathode Materials with Improved Electrochemical Performance

Номер: US20180040883A1

Автор: Cohen Jamie L., Drezen Thierry, Kaye Steven S., Khot Shrikant N., Li Bin, Strand Deidre A.

Принадлежит: Dow Global Technologies LLC

Particulate LMFP cathode materials having high manganese contents and small amounts of dopant metals are disclosed. These cathode materials are made by milling a mixture of precursor materials in a wet or dry milling process. Preferably, off-stoichiometric amounts of starting materials are used to make the cathode materials. Unlike other high manganese LMFP materials, these cathode materials provide high specific capacities, very good cycle life and high energies even at high discharge rates. 1. A particulate cathode material comprising an electroactive material having the empirical formula LiMnFeDPO , whereina is a number from 1 to 1.10;b is from 0.70 to 0.85;c is from 0.1 to 0.3;d is from 0.005 to 0.10;(a+2b+2c+dV) is 2.85 to 2.99, wherein V is the valence of D, and D is a metal ion selected from magnesium, cobalt, or a mixture of magnesium and cobalt, and further wherein at least a portion of the electroactive material has an olivine structure.27-. (canceled)8. A nanocomposite containing at least 70% by weight of a particulate cathode material of with up to 30% by weight of a graphite claim 1 , carbon black and/or other conductive carbon.9. A battery cathode comprising the cathode material of the nanocomposite of .10. A lithium battery comprising an anode claim 9 , a cathode of claim 9 , a separator disposed between the anode and cathode claim 9 , and an electrolyte solution containing at least one lithium salt.11. A method for making an olivine lithium manganese transition metal phosphate cathode material claim 9 , comprising{'sub': x', '4, 'a) forming a mixture of at least one lithium precursor, at least one iron precursor, at least one manganese precursor, at least one dopant metal precursor and at least one precursor of HPOions where x is 0, 1 or 2, wherein the precursors are present in amounts such that{'sub': x', '4, 'the mole ratio of lithium ions to HPOions is 0.95 to 1.1;'}{'sub': x', '4, 'the mole ratio of manganese ions to HPOions is 0.70 to 0.95;'}{' ...

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Номер записи: 47

06-02-2020 дата публикации

YTTRIUM ALUMINUM GARNET BASED THERMAL BARRIER COATINGS

Номер: US20200039888A1

Автор: Gell Maurice, Jiang Chen, Jordan Eric H., Kumar Rishi

Принадлежит: THE UNIVERSITY OF CONNECTICUT

A multi-layer coating that allows arrest of contaminant infiltration includes at least one layer that is not very reactive to an infiltrating reactive species, and at least one highly reactive ceramic layer (HRC layer) containing materials that react to slow or arrest contaminant infiltration. 1. A multi-layer coating that allows arrest of contaminant infiltration comprising:at least one layer that is not very reactive to an infiltrating reactive species, andat least one highly reactive ceramic layer (HRC layer) containing materials that react to slow or arrest contaminant infiltration.2. The multi-layer coating of claim 1 , wherein the HRC layer comprises one or more oxides of Y and/or one or more oxides of any lanthanide (La claim 1 , Ce claim 1 , Pr claim 1 , Nd claim 1 , Pm claim 1 , SM claim 1 , Eu claim 1 , Gd claim 1 , Tb claim 1 , Dy claim 1 , Ho claim 1 , Er claim 1 , Tm claim 1 , Yb claim 1 , Lu).3. The multi-layer coating of claim 1 , comprising one or more inert layers or phases and one or more reactive layers or phases.4. The multi-layer coating of claim 1 , wherein the coating comprises at least two layers of yttrium aluminum garnet (YAG) and a layer comprising YObetween at least two layers of YAG.5. The multi-layer coating of claim 1 , wherein the coating comprises at least two layers of YAG claim 1 , and a layer of GdZrObetween at least two layers of YAG; and another layer of YAG between at least two layers of YAG and also between the layers comprising YOand GdZrO.6. The multi-layer coating of claim 1 , wherein the coating comprises a first layer that includes YOand GdZrObetween layers of YAG and a second layer of YO+GdZrObetween layers of YAG.7. The multi-layer coating of comprising more than one inert layer and more than one reactive layer.8. The multi-layer coating of claim 1 , wherein the coating is made by the solution precursor plasma spray process.9. The multi-layer coating of claim 1 , wherein the coating is used as a thermal barrier coating. ...

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Номер записи: 48

06-02-2020 дата публикации

BORON NITRIDE AGGREGATED GRAIN, METHOD FOR PRODUCING SAME, AND THERMALLY CONDUCTIVE RESIN COMPOSITION USING SAME

Номер: US20200040245A1

Автор: Takeda Go, TANIGUCHI Yoshitaka

Принадлежит:

A boron nitride powder includes boron nitride aggregated grains that are formed by aggregation of scaly hexagonal boron nitride primary particles, the boron nitride powder having the following characteristic properties (A) to (C): (A) the primary particles of the scaly hexagonal boron nitride have an average long side length of 1.5 μm or more and 3.5 μm or less and a standard deviation of 1.2 μm or less; (B) the boron nitride aggregated grains have a grain strength of 8.0 MPa or more at a cumulative breakdown rate of 63.2% and a grain strength of 4.5 MPa or more at a cumulative breakdown rate of 20.0%; and (C) the boron nitride powder has an average particle diameter of 20 μm or more and 100 μm or less. Also provided are a method for producing the same and a thermally conductive resin composition including the same. 1. A boron nitride powder comprising boron nitride aggregated grains that are formed by aggregation of scaly hexagonal boron nitride primary particles , the boron nitride powder having the following characteristics (A) to (C):(A) the primary particles of the scaly hexagonal boron nitride have an average long side length of 1.5 μm or more and 3.5 μm or less and a standard deviation of 1.2 μm or less;(B) the boron nitride aggregated grains have a grain strength of 8.0 MPa or more at a cumulative breakdown rate of 63.2% and a grain strength of 4.5 MPa or more at a cumulative breakdown rate of 20.0%; and(C) the boron nitride powder has an average particle diameter of 20 μm or more and 100 μm or less.2. The boron nitride powder according to claim 1 , wherein the average particle diameter of the boron nitride powder (C) is 30 μm or more and 80 μm or less.3. The boron nitride powder according to claim 1 , prepared by a method for producing a boron nitride powder characterized by the steps of:(a) pressure-nitridating and calcining a boron carbide having an average particle diameter of 6 μm or more and 55 μm or less and a carbon content of 18% or more and 21% or ...

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Номер записи: 49

18-02-2016 дата публикации

APPARATUS AND METHOD FOR MANUFACTURING AND PACKAGING OF HIGH PERFORMANCE THERMAL INSULATOR AEROGELS

Номер: US20160046495A1

Автор: Xiang Xiaodong

Принадлежит:

In various embodiments, novel methods of fabricating and/or packaging aerogels are provided. 1. A method of manufacturing an aerogel , said method comprising:a) providing a supercritical drying vessel containing an aerogel precursor comprising a silicon alkoxide, an alcohol and a catalyst, where drying vessel comprises one or more vents and/or valves that permit fluid flow out of said chamber and wherein said vessel comprises a port in communication with a vacuum source;b) supercritical drying said aerogel precursor by heating said vessel while allowing the pressure in said vessel to increase until a supercritical temperature and pressure is reached and maintaining said supercritical temperature and pressure for a period sufficient to dry the aerogel;c) returning the vessel to ambient room pressure, and optionally to room temperature;d) maintaining the heating of vessel or reheating said vessel if it has been returned to room temperature, and applying a vacuum to said port in communication with a vacuum source to degas remaining water in said aerogel and provide a substantially water-free (e.g., dry) aerogel; ande) returning said dry aerogel to room temperature and pressure.2. The method of claim 1 , wherein step (c) comprises returning said vessel to room pressure claim 1 , but maintaining an elevated temperature.3. The method of claim 1 , wherein step (c) comprises returning said vessel to room pressure and ambient room temperature.4. The method of claim 1 , wherein said aerogel precursor comprises tetramethyl orthosilicate (TMOS claim 1 , Si(OCH)).5. (canceled)6. The method of claim 1 , wherein said supercritical drying vessel is continuously vented while the pressure and temperature rise to supercritical temperature and pressure.7. The method of claim 1 , wherein said chamber is more than ⅓ full of said aerogel precursor claim 1 , or at least 50% full claim 1 , or at least 60% full claim 1 , or at least 70% full claim 1 , or at least 80% full claim 1 , or at ...

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Номер записи: 50

24-02-2022 дата публикации

THERMOELECTRIC CONVERSION TECHNIQUE

Номер: US20220059746A1

Автор: KANNO Tsutomu, SATO Hiroki, TAMAKI Hiromasa

Принадлежит:

The present disclosure provides a thermoelectric conversion material having a composition represented by a chemical formula of BaSrCaKMgBiSb. In the chemical formula, the following relationships are satisfied: 0.002≤a≤0.1, 0≤b, 0≤c, a+b+c≤1, and 0≤d≤2. In addition, the thermoelectric conversion material has a LaO-type crystal structure. 1. A thermoelectric conversion material having a composition represented by a chemical formula of BaSrCaKMgBiSb , [{'br': None, 'i': 'a≤', '0.002≤0.1,'}, {'br': None, 'i': '≤b,', '0'}, {'br': None, 'i': '≤c,', '0'}, {'br': None, 'i': 'a+b+c≤', '1, and'}, {'br': None, 'i': 'd≤', '0≤2,'}], 'where'}wherein{'sub': 2', '3, 'the thermoelectric conversion material has a LaO-type crystal structure.'}2. The thermoelectric conversion material according to claim 1 , whereinthe thermoelectric conversion material has a p-type polarity.3. A p-type thermoelectric conversion device claim 1 , comprising a thermoelectric converter claim 1 ,wherein{'claim-ref': {'@idref': 'CLM-00001', 'claim 1'}, 'the thermoelectric converter comprises the thermoelectric conversion material according to .'}4. A thermoelectric conversion device comprising:a p-type thermoelectric converter;an n-type thermoelectric converter;a first electrode;a second electrode; anda third electrode,whereina first end of the p-type thermoelectric converter and a first end of the n-type thermoelectric converter are electrically connected to each other via the first electrode,a second end of the p-type thermoelectric converter is electrically connected to the second electrode,a second end of the n-type thermoelectric converter is electrically connected to the third electrode, and{'claim-ref': {'@idref': 'CLM-00001', 'claim 1'}, 'the p-type thermoelectric converter comprises the thermoelectric conversion material according to .'}5. A method for obtaining electrical power by using a thermoelectric conversion material claim 1 , the method comprising:applying a temperature difference to the ...

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Номер записи: 51

16-02-2017 дата публикации

MAGNESIUM OXIDE MATERIAL,THERMALLY CONDUCTIVE FILLER AND THERMALLY CONDUCTIVE RESIN COMPOSITION CONTAINING THE SAME, AND METHOD OF PRODUCING MAGNESIUM OXIDE MATERIAL

Номер: US20170044417A1

Автор: Fujimoto Masayuki, KATO Yuzo, Noguchi Seiji

Принадлежит: UBE MATERIAL INDUSTRIES, LTD.

A magnesium oxide material includes a magnesium oxide powder treated with a halogen compound and a silane coupling agent. A method of producing a magnesium oxide material includes a step including preparing a magnesium oxide powder, a halogen compound treatment step including subjecting the magnesium oxide powder to a surface treatment with a halogen compound, and a silane coupling agent treatment step including subjecting the magnesium oxide powder to a surface treatment with a silane coupling agent. 19.-. (canceled)10. A magnesium oxide material comprising a product obtained by treating magnesium oxide with a halogen compound and a silane coupling agent.11. The magnesium oxide material according to claim 10 , which has a halogen compound content of 1 ppm to 20 claim 10 ,000 ppm.12. The magnesium oxide material according to claim 10 , which shows a mass increase of 25% by mass or less after stored at a temperature of 121° C. and a humidity of 100% for 24 hours claim 10 , wherein the mass increase is expressed by formula (1):{'br': None, 'mass increase={(an increase in the mass of the magnesium oxide material after the storage)/(the mass of the magnesium oxide material before the storage)}×100 (%).'}13. A thermally conductive filler comprising the magnesium oxide material according to .14. A thermally conductive resin composition comprising: a resin; and the thermally conductive filler according to mixed in the resin.15. A magnesium oxide material comprising magnesium oxide and a coating layer that is provided on a surface of the magnesium oxide and comprises a halogen compound and a silane coupling agent.16. The magnesium oxide material according to claim 15 , which has a halogen compound content of 1 ppm to 20 claim 15 ,000 ppm.17. The magnesium oxide material according to claim 15 , which shows a mass increase of 25% by mass or less after stored at a temperature of 121° C. and a humidity of 100% for 24 hours claim 15 , wherein the mass increase is expressed by ...

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Номер записи: 52

19-02-2015 дата публикации

SPHERICAL ZINC OXIDE PARTICLE CONSISTING OF INTEGRATED PLATE-LIKE PARTICLES, METHOD FOR PRODUCING THE SAME, COSMETIC, AND THERMAL CONDUCTIVE FILLER

Номер: US20150050496A1

Автор: Hashimoto Mitsuo, Magara Koichiro, Sueda Satoru, Terabe Atsuki

Принадлежит: SAKAI CHEMICAL INDUSTRY CO., LTD.

It is an object of the present disclosure to provide spherical zinc oxide particles consisting of integrated plate-like particles which can be used as a cosmetic raw material, a thermal conductive filler and the like, and a method for production of the same. 1. Spherical zinc oxide particles consisting of integrated plate-like particles , which have a median size of 0.01 μm or more and a D90/D10 in particle size distribution of 5.0 or less.2. The spherical zinc oxide particle consisting of integrated plate-like particles according to claim 1 , which is obtained by a method comprising a step (1) of neutralizing a zinc salt aqueous solution by an alkali aqueous solution wherein said step (1) is performed in the presence of a hydrophilic dispersant.3. The spherical zinc oxide particles consisting of integrated plate-like particles according to claim 1 , which have a MIU (average friction coefficient) of 1.0 or less.4. The spherical zinc oxide particle consisting of integrated plate-like particles according to claim 1 , which has a haze (%) of a coating film of 40% or more.5. A method for producing the spherical zinc oxide particle consisting of integrated plate-like particles according to claim 1 , which comprises a step (1) of neutralizing a zinc salt aqueous solution by an alkali aqueous solution wherein said step (1) is performed in the presence of a hydrophilic dispersant.6. A cosmetic comprising the spherical zinc oxide particle consisting of integrated plate-like particles according to .7. A thermal conductive filler comprising the spherical zinc oxide particle consisting of integrated plate-like particles according to .8. The spherical zinc oxide particles consisting of integrated plate-like particles according to claim 2 , which have a MIU (average friction coefficient) of 1.0 or less.9. The spherical zinc oxide particle consisting of integrated plate-like particles according to claim 2 , which has a haze (%) of a coating film of 40% or more.10. The spherical ...

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Номер записи: 53

03-03-2022 дата публикации

AEROGEL BLANKET

Номер: US20220064010A1

Автор: BAEK Se Won, OH Kyoung Shil, OH Myung Eun

Принадлежит: LG CHEM, LTD.

The present invention relates to an aerogel blanket having a moisture impregnation rate of 28 days (MIR-28D) of 100 wt % or less, which is calculated by Equation 1 below:

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Номер записи: 54

03-03-2022 дата публикации

POWDER MATERIAL FOR SINTERING AND SOLID LATENT HEAT STORAGE MEMBER INCLUDING THE SAME

Номер: US20220064510A1

Автор: ABE Haruka, FUJITA Asaya, KINEMUCHI Yoshiaki, NAKAYAMA Hiroyuki, OZAKI Kimihiro

Принадлежит: NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY

[PROBLEM TO BE SOLVED] To provide a solid heat storage material that is made of a VO-based inorganic material, is easy to sinter, has a high latent heat storage capacity, and can be suitably used as a phase change solid heat storage material, and a method of manufacturing the same. 18.-. (canceled)9. A powder material for sintering ,comprising vanadium and oxygen; and{'sub': '2', 'comprising a vanadium oxide represented by a chemical formula VOand at least one other type of vanadium oxide,'}wherein, when a molar ratio of V and O in all powder is expressed as 1:(2+d), d is in a range of 0 Подробнее

Номер записи: 55

14-02-2019 дата публикации

HEAT STORAGE/DISSIPATION MATERIAL AND HEAT STORAGE/DISSIPATION SYSTEM

Номер: US20190048243A1

Автор: NAMAI Asuka, Ohkoshi Shin-ichi, Tokoro Hiroko, YOSHIKIYO Marie

Принадлежит:

A heat storage/dissipation material has a constitution in which heat storage/dissipation titanium oxide made of TiOis dispersed in heat transfer oil in a liquid form, the heat storage/dissipation titanium oxide not undergoing phase transition into a β-phase that has properties of a non-magnetic semiconductor and maintaining a state of a paramagnetic metal as long as the heat storage/dissipation titanium oxide is not subjected to pressure or light for heat dissipation. The heat storage/dissipation material is capable of maintaining a state of storing heat as long as the heat storage/dissipation material is not subjected to the pressure or the light for heat dissipation and is capable of releasing heat when subjected to the pressure or the light for heat dissipation, and therefore is capable of releasing the stored heat at a desired timing. 110-. (canceled)11. A method for storing/dissipating heat comprising:{'sub': 3', '5', '3', '5', '3', '5, 'using a heat storage/dissipation material containing λ-TiOas a heat storage/dissipation titanium oxide to cause the λ-TiOto maintain a state of a paramagnetic metal as long as the λ-TiOis not subjected to pressure or light for heat dissipation; and'}{'sub': 3', '5', '3', '5', '3', '5, 'applying pressure or light for heat dissipation to the λ-TiOto cause a phase transition of the λ-TiOinto a β-phase that has properties of a non-magnetic semiconductor, thereby releasing heat stored in the λ-TiO.'}12. The method according to claim 11 , wherein the heat storage/dissipation titanium oxide is dispersed in a heat transfer member in a liquid form or a solid powder form.13. The method according to claim 11 , wherein the heat storage/dissipation titanium oxide stores heat by being heated at 460 [K] or higher.14. The method according to claim 11 , wherein the heat storage/dissipation titanium oxide stores heat by being irradiated with light for heat storage having a particular wavelength when the λ-TiOhas undergone the phase transition ...

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Номер записи: 56

25-02-2021 дата публикации

CO-CURRENT CO-PRECIPITATION METHOD OF CONIO2 THERMISTOR POWDERS

Номер: US20210053840A1

Автор: Chen Long, Chen Yifan, FAN Changchun, FU Haihai, Li Haoquan, SUN Kaiwen, Zhao Yan

Принадлежит:

The disclosure relates to a co-current co-precipitation method of CoNiOthermistor powders. The method comprises the steps of mixing, stirring, precipitating, aging, suction filtration, washing and drying firstly using nickel nitrate and cobalt nitrate as raw materials to obtain cobalt hydroxide, and then calcining in a tubular furnace at an inert atmosphere to prepare CoNiOnano powders. The method has the advantages of simple operation, low cost, short cycle, high yield and no environmental pollution, and further oxidization of the CoNiOnano material into NiCoOthermistor powders can be effectively avoided through selection and adjustment of calcination process parameters and inert atmosphere. A high-precision, fast-response and small-volume temperature sensor material can be prepared from CoNiOthermistor powders obtained by the method of the disclosure. 1{'sub': 3', '2', '3', '2, 'a, mixing raw materials Co(NO)and Ni(NO)in a mole ratio of 1:1, and dissolving the obtained mixture into deionized water, so as to prepare 0.5-3 mol/L mixed solution A;'}{'sub': 3', '2', '3', '2, 'b, weighing Co(NO)and Ni(NO)in a mole ratio of 1: (1.2-2.0), then weighing sodium hydroxide, oxalic acid, sodium carbonate, ammonium bicarbonate or ammonium hydroxide, and adding deionized water, so as to prepare 0.5-3 mol/L solution B;'}{'b': 400', '600, 'c, weighing polyvinylpyrrolidone, polyethylene glycol , polyethylene glycol , cetyltrimethyl ammonium bromide or triton X-100 to be dissolved into deionized water, so as to prepare dispersant solution C having a mass fraction of 0.5-10%;'}d, respectively putting the solution A and solution B prepared in step a and step b in a dropping funnel, simultaneously dropwise adding the solution A and the solution B into the solution C in step c at the speed of 0.5-2 drop/s, and magnetically stirring for 1-4 to form a precipitate;e, standing and aging the precipitate formed in step d for 24-72 h, subsequently carrying suction filtration, and washing to ...

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Номер записи: 57

14-02-2019 дата публикации

SUPPORT SUBSTRATE FOR RADIOISOTOPE PRODUCTION, TARGET PLATE FOR RADIOISOTOPE PRODUCTION, AND PRODUCTION METHOD FOR SUPPORT SUBSTRATE

Номер: US20190051426A1

Автор: MURAKAMI Mutsuaki, Tachibana Masamitsu, Tatami Atsushi

Принадлежит: KANEKA CORPORATION

Provided is a target plate for radioisotope production that has sufficient durability and sufficient heat resistance for use in radioisotope production and that is capable of reducing the extent of radioactivation. In a target plate () for radioisotope production, a support substrate (), which supports a target (), includes a graphite film(s). The thermal conductivity in a surface direction of the graphite film(s) is 1200 W/(m·K) or greater, and the thickness of the graphite film(s) is 0.05 μm or greater and 100 μm or less. 1. A support substrate for radioisotope production , the support substrate being configured to support a target for receiving charged particle beam irradiation , the support substrate comprisingone or more graphite films placed such that a surface thereof intersects a charged particle beam,the one or more graphite films each having a thermal conductivity, in a surface direction, of 1200 W/(m·K) or greater,the one or more graphite films each having a thickness of 0.05 μm or greater and 100 μm or less.2. The support substrate according to claim 1 , wherein claim 1 , in the one or more graphite films claim 1 , the thermal conductivity in the surface direction is equal to or greater than 50 times a thermal conductivity in a thickness direction.3. The support substrate according to claim 1 , wherein claim 1 , in the one or more graphite films claim 1 , an electric conductivity in the surface direction is 12000 S/cm or greater.4. The support substrate according to claim 1 , wherein claim 1 , in the one or more graphite films claim 1 , an electric conductivity in the surface direction is equal to or greater than 100 times an electric conductivity in a thickness direction.5. The support substrate according to claim 1 , wherein: the one or more graphite films are two or more graphite films; the support substrate includes a stack of the two or more graphite films; and the support substrate has a total thickness of 0.1 μm or greater and 1 mm or less.6. The ...

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Номер записи: 58

14-02-2019 дата публикации

ALUMINA POWDER, ALUMINA SLURRY, ALUMINA-CONTAINING COATING LAYER, MULTILAYER SEPARATION MEMBRANE AND SECONDARY BATTERY

Номер: US20190051906A1

Автор: KIM Taebong, Lee Suk, RHEE Jihoon

Принадлежит: Sumitomo Chemical Company, Limited

The present invention relates to: an alumina powder wherein a ratio (TBD/LBD) of a tapped bulk density (TBD) to a loose bulk density (LBD) is 1.5 or more; an alumina slurry containing the same; an alumina-containing coating layer; a multilayer separation membrane; and a secondary battery. 1. An alumina powder wherein a ratio (TBD/LBD) of a tapped bulk density (TBD) to a loose bulk density (LBD) is 1.5 or more , and wherein a BET specific surface area is 3.0 to 7.0 m/g.2. The alumina powder according to claim 1 , wherein the alumina powder has a purity of 99.9% by mass or less.3. The alumina powder according to claim 1 , wherein TBD/LBD is 1.82 to 1.90.4. The alumina powder according to claim 1 , wherein the LBD is 0.39 to 0.44 g/cmand the TBD is 0.72 to 0.80 g/cm.5. The alumina powder according to claim 1 , wherein a particle diameter equivalent to 50% in the volume-based cumulative particle size distribution (D50) is 0.45 to 0.65 μm.6. The alumina powder according to claim 5 , wherein a ratio (D90/D10) of a particle diameter equivalent to 90% in the volume-based cumulative particle size distribution (D90) to a particle diameter equivalent to 10% in the volume-based cumulative particle size distribution (D10) is 4.0 or less.7. The alumina powder according to claim 5 , wherein a particle diameter equivalent to 100% in the volume-based cumulative particle size distribution (D100) is 3.5 μm or less.8. The alumina powder according to claim 1 , wherein the content of particles having a particle diameter of 20 μm or more is less than 100 ppm.9. (canceled)10. An alumina slurry comprising: the alumina powder according to ; a binder; and a solvent.11. An alumina-containing coating layer comprising: the alumina powder according to ; and a binder.12. A multilayer separation membrane comprising: a separation membrane; and the alumina-containing coating layer according to formed on at least one surface of the separation membrane.13. A secondary battery comprising:a first ...

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Номер записи: 59

25-02-2021 дата публикации

SILICON BULK THERMOELECTRIC CONVERSION MATERIAL

Номер: US20210057626A1

Автор: Kashiwagi Makoto, Kodama Takashi, SHIOMI Junichiro

Принадлежит:

Provided is a silicon bulk thermoelectric conversion material in which thermoelectric performance is improved by reducing the thermal conductivity as compared with the prior art. In the silicon bulk thermoelectric conversion material, the ZT is greater than 0.2 at room temperature with the elemental silicon. In the silicon bulk thermoelectric conversion material, a plurality of silicon grains have an average of 1 nm or more and 300 nm or less, a first hole have an average of 1 nm or more and 30 nm or less present in the plurality of silicon grains and surfaces of the silicon grains, and a second hole have an average of 100 nm or more and 300 nm or less present between the plurality of silicon grains, wherein the aspect ratio of a crystalline silicon grain is less than 10. 1. A silicon bulk thermoelectric conversion material comprising: an elemental silicon ,wherein the silicon bulk thermoelectric conversion material has ZT exceeding 0.2 at room temperature.2. A silicon bulk thermoelectric conversional material , comprising:a plurality of silicon grains with an average size of 1 nm or more and 300 nm or less;first holes existing in and on the surface of the plurality of silicon grains, the first holes having an average size of 1 nm or more and 30 nm or less; andsecond holes existing between the plurality of silicon grains, the second holes having an average size of 100 nm or more and 300 nm or less,wherein the aspect ratio of the silicon grain is less than 10.3. The silicon bulk thermoelectric conversional material according to claim 2 , comprising silver grains with an average size of 1 nm or more and 30 nm or less.4. The silicon bulk thermoelectric conversional material according to claim 1 , wherein a ZT ratio between in-plane direction and out-of-plane direction of the elemental silicon is below two. This application is based upon and claims the benefit of priority from the prior Japanese Patent Application No. 2017-249463, filed on Dec. 26, 2017, and PCT ...

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Номер записи: 60

03-03-2016 дата публикации

Production of highly conductive graphitic films from polymer films

Номер: US20160059444A1

Автор: Burton David, Fu Lucy, Jang Bor Z., Wang Yanbo, Zhamu Aruna

Принадлежит:

A one-step (direct graphitization) process for producing a graphitic film, comprising directly feeding a precursor polymer film, without going through a carbonization step, to a graphitization zone preset at a graphitization temperature no less than 2,200° C. for a period of residence time sufficient for converting the precursor polymer film to a porous graphitic film having a density from 0.1 g/cmto 1.5 g/cmand retreating the porous graphitic film from the graphitization zone. Preferably, the precursor polymer film is selected from the group consisting of polyimide, polyamide, phenolic resin, polyoxadiazole, polybenzoxazole, polybenzobisoxazole, polythiazole, polybenzothiazole, polybenzobisthiazole, poly(p-phenylene vinylene), polybenzimidazole, polybenzobisimidazole, polyacrylonitrile, and combinations thereof. Preferably, the precursor polymer film contains an amount of graphene sheets or expanded graphite flakes, preferably from 1% to 90% by weight, sufficient for promoting or accelerating graphitization. 1. An one-step process for producing a graphitic film , said process comprising directly feeding a precursor polymer film , without going through a carbonization step , to a graphitization zone preset at a graphitization temperature no less than 2 ,200° C. for a period of residence time sufficient for converting said precursor polymer film to a porous graphitic film having a density from 0.1 g/cmto 1.5 g/cmand retreating said porous graphitic film from said graphitization zone , wherein said precursor polymer film is selected from the group consisting of polyimide , polyamide , phenolic resin , polyoxadiazole , polybenzoxazole , polybenzobisoxazole , polythiazole , polybenzothiazole , polybenzobisthiazole , poly(p-phenylene vinylene) , polybenzimidazole , polybenzobisimidazole , polyacrylonitrile , and combinations thereof.2. The process of claim 1 , further comprising a step of compressing said porous graphitic film to obtain a solid graphitic film having a ...

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Номер записи: 61

03-03-2016 дата публикации

BORON-NITRIDE POWDER AND RESIN COMPOSITION CONTAINING SAME

Номер: US20160060112A1

Автор: IKARASHI Koki, MITSUNAGA Toshikatsu, Nishi Taiki

Принадлежит:

Provided is a boron-nitride powder that is suitable for use in a resin composition for transmitting heat from a heat-producing electronic component such as a power device to a heat-dissipating member. The boron-nitride powder reduces thermal-conductivity anisotropy and thermal contact resistance, resulting in high thermal conductivity, and contains boron-nitride particles each consisting of hexagonal boron-nitride primary particles joined together. The boron-nitride powder, which is an aggregate of said boron-nitride particles, exhibits a mean sphericity of at least 0.70, a mean particle diameter of 20-100 μm, a porosity of 50-80%, a mean pore diameter of 0.10-2.0 μm, a maximum pore diameter of at most 10 μm, and a calcium content of 500-5,000 ppm. Under X-ray powder diffraction, the graphitization index of the boron-nitride powder is preferably between 1.6 and 4.0, inclusive, and the peak intensity ratio (I(002)/I(100)) between the (002) plane and the (100) plane is preferably at most 9.0. 1. A boron-nitride powder , containing boron-nitride particles each composed of hexagonal boron-nitride primary particles joined together , which is an aggregate of the boron-nitride particles , whereinthe boron-nitride powder has a mean sphericity of 0.70 or more, a mean particle diameter of 20 to 100 μm, a porosity of 50 to 80%, a mean pore diameter of 0.10 to 2.0 μm, a maximum pore diameter of 10 μm or less, and a calcium content of 500 to 5,000 ppm.2. The boron-nitride powder according to claim 1 , whereina graphitization index measured by powder X-ray diffraction method is 1.6 to 4.0, and a peak intensity ratio I(002)/I(100) of (002) plane to (100) plane is 9.0 or less.3. The boron-nitride powder according to claim 1 , whereinamorphous boron-nitride having a mean particle diameter of 2 to 6 μm and the hexagonal boron-nitride having a mean particle diameter of 8 to 16 μm are used as raw materials, anda mixing ratio thereof, that is, the ratio of the amorphous boron-nitride to ...

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Номер записи: 62

03-03-2016 дата публикации

HIGH STRENGTH TRANSPARENT CERAMIC USING CORUNDUM POWDER AND METHODS OF MANUFACTURE

Номер: US20160060131A1

Автор: ALAKEEL Akeel Khalid, BINHUSSAIN MOHAMMED A., BINMAJID Majid Mohammed, KLIMKE Jens

Принадлежит:

High strength transparent corundum ceramics using corundum powder and methods of manufacture are disclosed. The method of forming transparent corundum ceramics includes milling corundum powder in aqueous slurry with beads. The method further includes processing the slurry by a liquid shaping process to form a gelled body. The method further includes sintering the gelled body in air and pressing the gelled body by hot isostatic pressing to form a ceramic body. 1. A corundum ceramic body composed of corundum powder comprising the following properties:a hardness HV10>2000;a 4 pt.-bending strength >600 MPa;an in-line transparency >65% at 460-640 nm wavelength at thickness of 0.8-1.0 mm with polished surfaces;a total forward transmission >80% at 460-640 nm wavelength at a thickness of 0.8-1.0 mm with polished surfaces; anda thermoconductivity at room temperature of 24-28 W/mK.2. The corundum ceramic body composed of corundum powder of claim 1 , wherein the transmission increases with higher wavelength and lower thickness.3. The corundum ceramic body composed of corundum powder of claim 1 , wherein the corundum ceramic body is transparent with homogeneous inline transmission defined by a difference of inline transmission measurement at any point in a defined area less than 1%.4. The corundum ceramic body composed of corundum powder of claim 1 , wherein the corundum powder has a BET of 15-24 m/g.5. The corundum ceramic body composed of corundum powder of claim 4 , wherein the corundum powder has a BET of 17-21 m/g. The invention relates to corundum ceramics using corundum powder and, more particularly, to high strength transparent corundum ceramics using corundum powder and methods of manufacture.Ceramics are very versatile in their industrial use ranging from applications in engine components, frames, etc. The properties of ceramic materials are based on many factors including, for example, the types of atoms, the bonding between the atoms, and the packaging of the atoms. ...

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Номер записи: 63

01-03-2018 дата публикации

Process for Producing Humic Acid-Derived Conductive Foams

Номер: US20180057360A1

Автор: Jang Bor Z., Zhamu Aruna

Принадлежит: Nanotek Instruments, Inc.

A process for producing a humic acid (HA)-derived foam, comprising: (a) preparing a HA dispersion having multiple HA molecules and an optional blowing agent dispersed in a liquid medium having a blowing agent-to-HA weight ratio from 0/1.0 to 1.0/1.0; (b) dispensing and depositing the HA dispersion onto a surface of a supporting substrate to form a wet HA layer; (c) partially or completely removing liquid medium from the wet HA layer to form a dried HA layer; and (d) heat treating the dried HA layer at a first heat treatment temperature from 80° C. to 3,200° C. at a desired heating rate sufficient to induce volatile gas molecules from the non-carbon elements or to activate the blowing agent for producing the HA-derived foam. 1. A process for producing a humic acid-derived foam , said process comprising:(a) preparing a humic acid dispersion having multiple humic acid molecules or sheets dispersed in a liquid medium, wherein said humic acid is selected from a group consisting of oxidized humic acid, reduced humic acid, fluorinated humic acid, chlorinated humic acid, brominated humic acid, iodized humic acid, hydrogenated humic acid, nitrogenated humic acid, doped humic acid, chemically functionalized humic acid, and a combination thereof and wherein said dispersion contains an optional blowing agent having a blowing agent-to-humic acid weight ratio from 0/1.0 to 1.0/1.0;(b) dispensing and depositing said humic acid dispersion onto a surface of a supporting substrate to form a wet layer of humic acid;(c) partially or completely removing said liquid medium from the wet layer of humic acid to form a dried layer of humic acid; and{'sub': '002', '(d) heat treating the dried layer of humic acid at a first heat treatment temperature from 80° C. to 3,200° C. at a desired heating rate sufficient to induce volatile gas molecules from said non-carbon elements or to activate said blowing agent for producing said humic acid-derived foam, which is composed of multiple pores and pore ...

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Номер записи: 64

03-03-2016 дата публикации

METHOD AND DEVICE FOR POLYMERASE CHAIN REACTION

Номер: US20160060672A1

Автор: Chang Chen-Min, CHANG Po-Yang, HSIEH Ming-Chi, HUANG Chih-Chia, LI Tsung-Ju, SHIEH Dar-Bin

Принадлежит: NATIONAL CHENG KUNG UNIVERSITY

Method and apparatus for amplifying a target nucleic acid sequence of a reaction mixture in a Polymerase Chain Reaction (PCR). The method includes contacting the reaction mixture with EMR frequency absorbing particles formed from a material having a transition metal, transition metal oxide or a transition metal hydroxide, or a nitride, a phosphide or an arsenide of a Group III metal doped with the transition metal or a transition metal oxide, or silicon dioxide doped with the transition metal, transition metal oxide, or transition metal hydroxide; and irradiating the EMR absorbing particles with EMR having a frequency of about 200 kHz to 500 THz to amplify the target nucleic acid sequence, wherein the Group III metal is any one of Al, Ga, and In, and the transition metal is any one of Mn, Fe, Co and Cu. 1. A method for amplifying a nucleic acid sequence in a polymerase chain reaction (PCR) , the method comprising:contacting, in a reaction vessel, a reaction mixture comprising target nucleic acids with particles comprising a transition metal material; andirradiating the particles with electromagnetic radiation (EMR) having a frequency of about 200 kHz to 500 THz.2. The method of claim 1 , wherein the transition metal material comprises a transition metal claim 1 , a transition metal oxide claim 1 , a transition metal hydroxide claim 1 , a Group III metal compound doped with the transition metal claim 1 , a silicon dioxide doped with the transition metal claim 1 , a silicon dioxide doped with the transition metal oxide claim 1 , or a silicon dioxide doped with the transition metal hydroxide.3. The method of claim 2 , wherein the Group III metal compound is any one of a nitride claim 2 , a phosphide or an arsenide claim 2 , and the Group III metal is any one of aluminum (Al) claim 2 , gallium (Ga) claim 2 , and indium (In).4. The method of claim 2 , wherein the transition metal comprises any one of manganese (Mn) claim 2 , iron (Fe) claim 2 , cobalt (Co) claim 2 , and ...

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Номер записи: 65

17-03-2022 дата публикации

GRAPHENE COMPLEXES AND COMPOSITIONS THEREOF

Номер: US20220081302A1

Автор: CHOUCAIR Mohammad

Принадлежит:

Disclosed herein are complexes comprising graphene compositions thereof. Also disclosed herein are methods of synthesising said complexes and compositions, and the use of said complexes and compositions in, for instance, biomolecular sensing. 1. A complex comprising one or more carboranes bound to a graphene , wherein the carborane is a metallacarborane.2. A complex according to claim 1 , wherein the metal of the one or more metallacarboranes is a transition metal.3. A complex according to claim 2 , wherein the transition metal is selected from the group consisting of nickel claim 2 , zinc claim 2 , manganese and iron.4. A complex according to claim 1 , wherein the metal is a lanthanoid.5. A complex according to claim 4 , wherein the lanthanoid is gadolinium.6. A complex according to claim 1 , wherein the carborane is a closo- or nido-carborane.7. A complex according to claim 1 , wherein the carborane is bound to graphene by one boron-carbon single bond.8. A complex according to claim 1 , wherein the carborane is bound to graphene by two boron-carbon single bonds.9. A complex according to claim 1 , wherein the metallacarborane comprises a carborane anion.10. A complex according to claim 1 , wherein the metallacarborane comprises a polydentate ligand.11. A complex according to claim 10 , wherein the polydentate ligand is a cyclopentadienyl ligand.12. A complex according to claim 1 , wherein the graphene is pristine graphene claim 1 , oxygenated graphene claim 1 , structurally modified oxygenated graphene or structurally modified graphene in air.13. A complex according to claim 1 , wherein the carborane is a 1 claim 1 ,2-closo-[CBH] or a 1 claim 1 ,2-closo-[CBH] carborane.14. A complex according to claim 1 , wherein the carborane is covalently bound to a graphene.15. A process for producing a complex comprising one or more metallacarboranes covalently bound to a graphene claim 1 , the process comprising the steps of:i) reacting a graphene with a carborane in a ...

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Номер записи: 66

27-02-2020 дата публикации

Low-silica chabazite zeolites with high acidity

Номер: US20200061594A1

Автор: Anton Petushkov, Bjorn Moden, Hong-Xin Li, Lifeng Wang

Принадлежит: PQ Corp

A microporous crystalline material having a molar silica to alumina ratio (SAR) ranging from 10 to 15 and a fraction of Al in the zeolite framework of 0.63 or greater is disclosed. A method of selective catalytic reduction of nitrogen oxides in exhaust gas that comprises contacting exhaust gases, typically in the presence of ammonia, urea, an ammonia generating compound, or a hydrocarbon compound, with an article comprising the disclosed microporous crystalline is also disclosed. Further, a method of making the disclosed microporous crystalline material is disclosed.

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Номер записи: 67

08-03-2018 дата публикации

VANADIUM-DIOXIDE-CONTAINING PARTICLES HAVING THERMOCHROMIC PROPERTIES AND METHOD FOR PRODUCING THE SAME

Номер: US20180065861A1

Автор: Washizu Takashi

Принадлежит:

By vanadium-dioxide-containing particles having thermochromic properties and configured such that in an X-ray diffraction spectrum using CuKα as the radiation source, the area of a VOmonoclinic peak appearing at 2θ=28°±0.5° and the area of a peak appearing at 2θ=30°±0.5° satisfy a predetermined relation, vanadium-dioxide-containing particles having excellent thermochromic properties are provided. 1. Vanadium-dioxide-containing particles having thermochromic properties , configured such that in an X-ray diffraction spectrum using CuKα as the radiation source , the area of a VOmonoclinic peak appearing at 2θ=28°±0.5° and the area of a peak appearing at 2θ=30°±0.5° satisfy the relation of the following Equation 1:{'br': None, 'i': P', '/P, 'sub': 2', '1, '0.03≦()≦0.2 \u2003\u2003Equation (1)'}{'sub': 1', '2', '2, 'wherein Pis the area of a VOmonoclinic peak appearing at 2θ=28°±0.5°, and Pis the area of a peak appearing at 2θ=30°±0.5°.'}2. The vanadium-dioxide-containing particles according to claim 1 , wherein the particle size at which the cumulative abundance ratio from the small-size side based on the average number of particles by a laser diffraction particle size distribution method is 80% is 150 nm or less.3. A dispersion comprising the vanadium-dioxide-containing particles according to .4. A heat shield film comprising:a substrate; and{'claim-ref': {'@idref': 'CLM-00001', 'claim 1'}, 'an optical functional layer containing the vanadium-dioxide-containing particles according to and a resin.'}5. A method for producing vanadium-dioxide-containing particles having thermochromic properties claim 1 ,the method comprising subjecting a reaction mixture containing a vanadium compound and water to a hydrothermal reaction, thereby forming vanadium-dioxide-containing particles,the temperature rise rate in the hydrothermal reaction being 15 to 80 (°C./h).6. The method according to claim 5 , wherein the temperature of the hydrothermal reaction is 200° C. or more and 350° C. ...

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Номер записи: 68

28-02-2019 дата публикации

POTASSIUM COMPOUND AND POSITIVE ELECTRODE ACTIVE MATERIAL FOR POTASSIUM ION SECONDARY BATTERIES CONTAINING SAME

Номер: US20190067696A1

Автор: Masese Titus Nyamwaro, Sakaebe Hikari, Sano Hikaru, Senoh Hiroshi, Shikano Masahiro

Принадлежит:

Provided is a material that can be used as a potassium secondary battery positive electrode active material (particularly a potassium ion secondary battery positive electrode active material), other than Prussian blue, by using a potassium compound and a potassium ion secondary battery positive electrode active material comprising the potassium compound, the potassium compound being represented by general formula (1): 2. The potassium ion secondary battery positive electrode active material according to claim 1 , wherein A is manganese claim 1 , iron claim 1 , cobalt claim 1 , nickel claim 1 , or copper.3. The potassium ion secondary battery positive electrode active material according to claim 1 , wherein the potassium compound has at least one member selected from the group consisting of a cubic structure claim 1 , a tetragonal structure claim 1 , an orthorhombic structure claim 1 , and a monoclinic structure.4. The potassium ion secondary battery positive electrode active material according to claim 1 , wherein the potassium compound has a mean particle diameter of 0.2 to 200 μm.5. A method for producing the potassium ion secondary battery positive electrode active material according to claim 1 , the method comprising a heating step of heating a mixture containing potassium claim 1 , an element in groups 7 to 11 of the periodic table claim 1 , silicon claim 1 , germanium claim 1 , titanium or manganese claim 1 , and oxygen.6. The production method according to claim 5 , wherein the heating temperature in the heating step is 600 to 1500° C.7. (canceled)8. (canceled)9. A potassium ion secondary battery positive electrode comprising the potassium ion secondary battery positive electrode active material according to .10. The potassium ion secondary battery positive electrode according to claim 9 , further comprising a conductive material.11. A potassium ion secondary battery comprising the potassium ion secondary battery positive electrode according to . The present ...

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Номер записи: 69

15-03-2018 дата публикации

GRAPHITE COMPOSITE FILM AND METHOD FOR PRODUCING SAME, AND HEAT-DISSIPATING PART

Номер: US20180072920A1

Автор: Kaneda Noriya, NAKAMURA Masaaki, Nishikawa Yasushi, Ohta Yusuke, Yano Hideaki

Принадлежит: KANEKA CORPORATION

Provided are: a graphite composite film that reduces bubble entrapment between itself and an adherend when bonded to the adherend without impairing its heat dissipation ability; and a method for producing the graphite composite film. 1. A graphite composite film comprising: a graphite film; and an adhesive layer in contact with the graphite film , whereinan area of the graphite film covered with an adhesive is 35% or more and 100% or less of a total area of the graphite film, andthe adhesive layer has a projection/recess structure at a surface thereof which faces away from the graphite film.2. The graphite composite film according to claim 1 , wherein a surface roughness in Ra of the surface of the adhesive layer claim 1 , the surface having the projection/recess structure claim 1 , is 0.19 μm or greater and 10 μm or less.3. The graphite composite film according to claim 1 , wherein a surface roughness in Rz of the surface of the adhesive layer claim 1 , the surface having the projection/recess structure claim 1 , is 1.6 μm or greater and 100 μm or less.4. The graphite composite film according to claim 1 , wherein the adhesive layer has a thickness of 1.00 μm or greater and 20.00 μm or less.5. The graphite composite film according to claim 1 , wherein the projection/recess structure at the surface of the adhesive layer is defined by grooves in a lattice-like pattern or a striped pattern or by separate island-like projections.6. The graphite composite film according to claim 5 , wherein the grooves in a lattice-like pattern or a striped pattern have a pitch of 0.05 mm or greater and 2.0 mm or less.7. The graphite composite film according to claim 1 , wherein:the adhesive layer includes a first adhesive layer, a base, and a second adhesive layer;the first adhesive layer, the base, and the second adhesive layer of the adhesive layer are stacked on the graphite film in this order from the graphite film;the area of the graphite film covered with the adhesive in the ...

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Номер записи: 70

16-03-2017 дата публикации

Method for manufacturing hollow silica particles, hollow silica particles, and composition and thermal insulation sheet comprising same

Номер: US20170073237A1

Автор: Eun Young Song, Hyung Sup Lim, O Sung Kwon, Young Cheol Yoo

Принадлежит: Sukgyung AT Co Ltd

Provided are hollow silica particles that have a refractive index of 1.2-1.4, a thermal conductivity of less than 0.1 W/m·K, an oil absorption rate of 0.1 ml/g or below, a porosity of at least 90% when mixed with a resin, and a particle distribution coefficient of variation (CV value) of 10% or below. Further provided are a composition comprising the hollow silica particles, and a transparent thermal insulation sheet which has a visible light transmittance of at least 70%, a thermal conductivity of less than 0.1 W/m·K, and a filling rate of particles of 30-80%.

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Номер записи: 71

16-03-2017 дата публикации

Process for Unitary Graphene Layer or Graphene Single Crystal

Номер: US20170073834A1

Автор: Jang Bor Z., XIONG Wei, Zhamu Aruna

Принадлежит: Nanotek Instruments, Inc.

A unitary graphene layer or graphene single crystal containing closely packed and chemically bonded parallel graphene planes having an inter-graphene plane spacing of 0.335 to 0.40 nm and an oxygen content of 0.01% to 10% by weight, which unitary graphene layer or graphene single crystal is obtained from heat-treating a graphene oxide gel at a temperature higher than 100° C., wherein the average mis-orientation angle between two graphene planes is less than 10 degrees, more typically less than 5 degrees. The molecules in the graphene oxide gel, upon drying and heat-treating, are chemically interconnected and integrated into a unitary graphene entity containing no discrete graphite flake or graphene platelet. This graphene monolith exhibits a combination of exceptional thermal conductivity, electrical conductivity, mechanical strength, surface smoothness, surface hardness, and scratch resistance unmatched by any thin-film material of comparable thickness range. 1. A process for producing a unitary graphene layer or graphene single crystal containing closely packed and chemically bonded parallel graphene oxide planes having an inter plane spacing of 0.335 to 0.40 nm , a thickness greater than 10 nm , an electrical conductivity greater than 1 ,500 S/cm , a thermal conductivity greater than 600 W/mK , a physical density greater than 1.8 g/cm3 , an oxygen content of 0.01% to 10% by weight , and an average mis-orientation angle between two graphene oxide planes is less than 10 degrees , said process comprising:a. preparing a graphene oxide gel having graphene oxide molecules dispersed in a fluid medium, wherein the graphene oxide gel is optically transparent or translucent;b. depositing a layer of said graphene oxide gel onto a surface of a supporting substrate to form a deposited graphene oxide gel thereon;c. partially or completely removing said fluid medium from the deposited graphene oxide gel layer to form a graphene oxide layer; andd. heat-treating the graphene ...

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Номер записи: 72

24-03-2022 дата публикации

FRICTION MATERIAL COMPRISING GRAPHITE, METHODS OF MAKING FRICTION MATERIALS, AND THEIR USES

Номер: US20220090644A1

Автор: GILARDI Raffaele, GULAS Michal, SPAHR Michael

Принадлежит:

The present invention relates to friction materials comprising graphite having a c/2 of 0.3358 nm or less and a spring-back of 40% or more, such as 41% or more. The invention further relates to methods of making and uses of such friction materials. 1. A friction material , the friction material comprising graphite having a c/2 of 0.3358 nm or less and a spring-back of 40% or more.2. The friction material according to claim 1 , wherein the graphite has a degree of graphitisation of 95.3% or more.3. The friction material according to claim 1 , wherein the graphite has a spring-back of 45% or more.4. The friction material according to claim 1 , wherein the graphite has a xylene density of 2.0 g/cmor more.5. The friction material according to claim 1 , wherein the graphite has a crystallinity (L) of 50 nm or more.6. The friction material according to claim 1 , wherein the graphite has a BET surface area of 9 m/g or less.7. The friction material according to claim 1 , wherein the graphite is a a surface-modified natural graphite claim 1 , a surface-modified synthetic graphite claim 1 , or a mixture thereof.8. The friction material according to claim 7 , wherein the surface modification of the said graphite includes a surface modification by heat treatment and/or a surface coating treatment.9. The friction material according to claim 1 , wherein the friction material comprises from 0.1 wt.-% to 30 wt.-% of the graphite claim 1 , based on the total weight of the friction material.10. The friction material according to claim 1 , wherein the friction material has a copper content of 5 wt.-% or less.11. The friction material according to claim 1 , wherein the friction material has an in-plane thermal conductivity of 1.5 W/mK or greater claim 1 , as measured according to ASTM E1461 using Laserflash by NETZSCH LFA447.12. The friction material according to claim 1 , wherein the friction material has a friction coefficient of 0.5 or less.13. The friction material according to ...

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Номер записи: 73

15-03-2018 дата публикации

SOLUTION PHASE SYNTHESIS OF HIGHLY PROCESSIBLE NANOCRYSTALLINE LiZnP AND SIMILAR TERNARY SEMICONDUCTORS

Номер: US20180076373A1

Автор: Miller Gordon J., Thompson Michelle JoAnn, Vela-Becerra Javier, White Miles Arthur Burris

Принадлежит: IOWA STATE UNIVERSITY RESEARCH FOUNDATION, INC.

Nowotny-Juza phases offer a wide range of potential applications including solar cell and thermoelectric device fabrication. The disclosure presents a solution phase synthesis of the Nowotny-Juza semiconductors LiZnP, LiCdP, and LiZnSb. These samples are phase pure, crystalline, and exhibit particle sizes of around 20 nm. 1. A method of making a ternary compound , the method comprising the steps of:providing a solution containing a group V element;mixing a compound containing a group I/XI element into the solution containing the group V element to create a mixture containing the group I/XI element and the group V element;injecting a compound containing a group II/XII element into the mixture at an elevated temperature; andreacting the group II/XII element, the group I/XI element, and the group V element of the mixture to form the ternary compound.2. The method of claim 1 , wherein the group I/XI element is lithium.3. The method of claim 2 , wherein the group II/XII element is zinc.4. The method of claim 3 , wherein the group V element is phosphorus.5. The method of claim 3 , wherein the group V element is antimony.6. The method of claim 2 , wherein the group II/XII element is cadmium.7. The method of claim 6 , wherein the group V element is phosphorus.8. The method according to claim 1 , wherein the injecting step occurs when the mixture is at a temperature from 21° C. to 200° C.9. The method according to claim 1 , wherein the injecting step occurs when the mixture is at a temperature of 200° C. or higher.10. The method according to claim 1 , wherein the reacting step further comprises the step of heating the mixture to a temperature from 240° C. to 300° C.11. The method according to claim 1 , wherein the reacting step further comprises the step of heating the mixture to a temperature of 300° C. or higher.12. A ternary compound comprising lithium claim 1 , zinc claim 1 , and antimony claim 1 , wherein the ternary compound has a cubic structure.13. The ternary ...

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Номер записи: 74

14-03-2019 дата публикации

BORON NITRIDE FOAM, METHODS OF MANUFACTURE THEREOF, AND ARTICLES CONTAINING THE BORON NITRIDE FOAM

Номер: US20190077661A1

Автор: ERB RANDALL MORGAN, GURIJALA ANVESH, HAN QIAOCHU, Zhang Li

Принадлежит:

A method of preparing a boron nitride foam includes flowing a gaseous medium along a flow path; introducing into the flow path a flowable composition that includes boron nitride sheets, a suspending agent, and optionally a surfactant to foam the flowable composition in the flow path; outputting the foamed flowable composition from the flow path; and solidifying the outputted flowable composition to provide the boron nitride foam; wherein the boron nitride foam has a structure defined by a three-dimensional network of interconnected cells defined by cell walls, wherein the cell walls include the boron nitride sheets. 2. The method of claim 1 , wherein the flowable composition comprises a polymer binder composition or a polymer binder precursor composition claim 1 , and the boron nitride foam is a polymer-reinforced boron nitride foam.3. The method of claim 2 , wherein the suspending agent comprises a solvent for the binder composition or the polymer binder precursor composition.4. The method of claim 3 , wherein the solvent comprises xylene claim 3 , toluene claim 3 , methyl ethyl ketone claim 3 , methyl isobutyl ketone claim 3 , hexane claim 3 , heptane claim 3 , octane claim 3 , nonane claim 3 , cyclohexane claim 3 , isophorone claim 3 , a terpene-based solvent claim 3 , or a combination comprising at least one of the foregoing.5. The method of claim 2 , wherein the polymer binder composition comprises a thermoplastic polymer or a thermoset polymer.6. The method of claim 2 , wherein the polymer binder precursor composition comprises a curable thermosetting polymer claim 2 , a surfactant claim 2 , and a catalyst for cure of the thermosetting polymer.7. The method of any claim 5 , wherein the surfactant is present claim 5 , and is preferably a nonionic surfactant.8. The method of claim 1 , wherein the flow path is through a channel and wherein the flowable composition is flowed into the channel through an inlet to the channel.9. The method of claim 8 , wherein ...

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Номер записи: 75

14-03-2019 дата публикации

Ceramic material and resistive element

Номер: US20190077677A1

Автор: Hayato Katsu, Sakyo Hirose

Принадлежит: Murata Manufacturing Co Ltd

A ceramic material has a composition represented by the formula: La- 1-x-y AE y MnO 3 in which AE is at least one of Ca and Sr; x satisfies 0<x ≤about 0.20; and y satisfies 0<y≤about 0.10.

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Номер записи: 76

05-03-2020 дата публикации

METHOD OF PRODUCING SEMICONDUCTOR SINTERED BODY, ELECTRICAL/ELECTRONIC MEMBER, AND SEMICONDUCTOR SINTERED BODY

Номер: US20200075829A1

Автор: SADAYORI Naoki

Принадлежит:

A semiconductor sintered body comprising a polycrystalline body, wherein the polycrystalline body comprises magnesium silicide or an alloy containing magnesium silicide, and the average grain size of the crystal grains constituting the polycrystalline body is 1 μm or less, and the electrical conductivity is 10,000 S/m or higher. 1. A semiconductor sintered body comprising a polycrystalline body ,wherein the polycrystalline body includes magnesium silicide or an alloy containing magnesium silicide,an average particle size of crystal grains forming the polycrystalline body is 1 μm or less, andthe semiconductor sintered body has an electrical conductivity of 10,000 S/m or higher.2. The semiconductor sintered body according to claim 1 , comprising one or more dopants selected from phosphorus claim 1 , aluminum claim 1 , arsenic claim 1 , antimony claim 1 , and bismuth.3. The semiconductor sintered body according to claim 1 , comprising one or more dopants selected from lithium claim 1 , boron claim 1 , aluminum claim 1 , gallium claim 1 , indium claim 1 , and thallium.4. The semiconductor sintered body according to claim 1 , having a Seebeck coefficient of −150 to 50 μV/K.5. An electrical/electronic member comprising the semiconductor sintered body according to .6. A method of producing a semiconductor sintered body comprising:a step of preparing particles including magnesium silicide or an alloy containing magnesium silicide and having an average particle size of 1 μm or less;a step of forming a coating including a dopant element, on a surface of the particles, anda step of sintering the particles with the coating formed on the surface to obtain a semiconductor sintered body.7. The method according to claim 6 , wherein the dopant element comprises one or more selected from phosphorus claim 6 , arsenic claim 6 , antimony claim 6 , and bismuth.8. The method according to claim 6 , wherein the dopant element comprises one or more selected from boron claim 6 , aluminum ...

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Номер записи: 77

22-03-2018 дата публикации

SPINEL PARTICLES, METHOD FOR PRODUCING SAME, AND COMPOSITION AND MOLDING INCLUDING SPINEL PARTICLES

Номер: US20180079654A1

Автор: Kinoshita Hiroshi, Oki Hironobu, Yuan Jianjun

Принадлежит:

Spinel has conventionally been used as mentioned above in applications, such as gems, catalyst carriers, adsorbents, photocatalysts, optical materials, and heat-resistant insulating materials, and is not expected to be used in an application of an inorganic filler having thermal conductive properties. Accordingly, an object of the present invention is to provide spinel particles having excellent thermal conductive properties. A spinel particle having spinel containing a magnesium atom, an aluminum atom, and an oxygen atom, and molybdenum being existed on the surface of and/or in the inside of the spinel, wherein the crystallite diameter of the spinel at the [311] plane is 100 nm or more. 1. A spinel particle comprising spinel containing a magnesium atom , an aluminum atom , and an oxygen atom , andmolybdenum being existed on the surface of and/or in the inside of the spinel,wherein the crystallite diameter of the spinel at the [311] plane is 100 nm or more.2. The spinel particle according to claim 1 , which has an average particle diameter of 0.1 to 1 claim 1 ,000 μm.3. A method for producing the spinel particles according to claim 1 , which comprises:a calcination step for calcining a first mixture containing magnesium molybdate and an aluminum compound; anda cooling step for cooing the calcined material obtained in the calcination step.4. The method according to claim 3 , which further comprises a precursor preparation step for calcining a second mixture containing a molybdenum compound and a magnesium compound to prepare the magnesium molybdate.5. The method according to claim 4 , wherein the molar ratio of a molybdenum element in the molybdenum compound to a magnesium element in the magnesium compound (molybdenum element/magnesium element) is from 0.01 to 10.6. A composition comprising the spinel particles according to and a resin.7. The composition according to claim 6 , which further comprises a curing agent.8. The composition according to claim 6 , which is a ...

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Номер записи: 78

24-03-2016 дата публикации

FILLER POWDER AND METHOD FOR MANUFACTURING SAME

Номер: US20160083557A1

Автор: HOSODA Yohei, Masuda Noriaki, Nakane Shingo, Yamazaki Hiroki

Принадлежит:

Provided is a filler powder that has a lower coefficient of thermal expansion than silica powder and is less likely to cause quality and color alteration of a resin when blended into the resin. The filler powder is made of a crystallized glass in which β-quartz solid solution and/or β-eucryptite is precipitated. The filler powder preferably has an average particle size Dof 5 μm or less. The filler powder preferably has a coefficient of thermal expansion of 5×10/° C. or less in a range of 30 to 150° C. 1. A filler powder made of a crystallized glass in which β-quartz solid solution and/or β-eucryptite is precipitated.2. The filler powder according to claim 1 , having an average particle size Dof 5 μm or less.3. The filler powder according to claim 1 , having a coefficient of thermal expansion of 5×10/° C. or less in a range of 30 to 150° C.4. The filler powder according to claim 1 , being made of a crystallized glass containing claim 1 , in % by mass claim 1 , 55 to 75% SiO claim 1 , 15 to 30% AlO claim 1 , 2 to 10% LiO claim 1 , 0 to 3% NaO claim 1 , 0 to 3% KO claim 1 , 0 to 5% MgO claim 1 , 0 to 10% ZnO claim 1 , 0 to 5% BaO claim 1 , 0 to 5% TiO claim 1 , 0 to 4% ZrO claim 1 , 0 to 5% PO claim 1 , and 0 to 2.5% SnO.5. The filler powder according to claim 1 , having an approximately spherical shape or an approximately columnar shape.6. The filler powder according to claim 1 , being used to be blended into a resin.7. A resin composition containing the filler powder according to and a resin.8. A method for manufacturing a filler powder claim 1 , the method comprising the step of heating a crystallizable glass powder at a crystallization onset temperature or higher to precipitate β-quartz solid solution and/or β-eucryptite claim 1 , wherein a rate of temperature rise from below the crystallization onset temperature to the crystallization onset temperature or higher is not less than 25° C./min.9. The method for manufacturing a filler powder according to claim 8 , ...

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Номер записи: 79

14-03-2019 дата публикации

Segmented Ceramic Coatings and Methods

Номер: US20190078463A1

Автор: Lutjen Paul M., Strock Christopher W.

Принадлежит: UNITED TECHNOLOGIES CORPORATION

A method comprising: spraying a ceramic coating to a substrate to a thickness of at least 5.0 mils (127 micrometers) without quench; and after the spraying, directing a carbon dioxide flow to a surface of the coating. 1. A method comprising:spraying a ceramic coating to a substrate to a thickness of at least 5.0 mils (127 micrometers) without quench; andafter the spraying, directing a carbon dioxide flow to a surface of the coating.2. The method of wherein:the spraying of the ceramic coating is to a thickness of at least 150 micrometers prior to the directing of the carbon dioxide flow.3. The method of wherein the directing of the carbon dioxide flow comprises:flowing particles of said carbon dioxide.4. The method of wherein the directing of the carbon dioxide flow comprises:repeated passes.5. The method of wherein the repeated passes comprise:rotating the component during directing of the carbon dioxide flow.6. The method of wherein the repeated passes comprise:at least five passes over a given location.7. The method of wherein the directing of the carbon dioxide flow comprises one or more of:a standoff of 50 mm to 150 mm;a supercritical source;initiating carbon dioxide flow before aiming the flow to cool the surface.8. The method of wherein the directing of the carbon dioxide flow thermally contracts the coating so as to propagate cracks.9. The method of wherein:at least one crack is present in every millimeter of coating length; andthe cracks extend from the coating surface.10. The method of wherein the directing of the carbon dioxide flow cools at least a depth of 50 micrometers of the coating to a temperature at least 200° C. below the substrate temperature.11. The method of wherein:the spraying and the directing are performed in the same chamber.12. The method of further comprising:after the spraying, but before the directing, heating the substrate to a temperature of at least 260° C.13. The method of wherein:the spraying is performed using a plasma torch; ...

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Номер записи: 80

05-05-2022 дата публикации

RESIN COMPOSITION AND RESIN MOLDED BODY THEREOF

Номер: US20220135764A1

Автор: Azuma Masaki, KOJIMA Takahiro, Sakai Yuki

Принадлежит:

The present invention aims to obtain a resin composition with low thermal expansion property by suppressing functional deterioration in negative thermal expansion property when a negative thermal expansion material is added to a thermoplastic resin and heat-processed. The present invention provides a resin composition including metal oxide particles and a thermoplastic resin, both having a negative thermal expansion property. The negative thermal expansion of the particles is attributed to a crystal phase transition, which is driven by electron transfer between the constituent metals, and a covalent protective layer that inhibits the electron transfer is formed between the particles and the thermoplastic resin.

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Номер записи: 81

05-05-2022 дата публикации

COMPOSITION FOR FORMING THERMALLY CONDUCTIVE MATERIAL, THERMALLY CONDUCTIVE MATERIAL, AND SURFACE-MODIFIED INORGANIC SUBSTANCE

Номер: US20220135861A1

Автор: Hayashi Daisuke, HITOMI Seiichi, NIORI Teruki, TAKAHASHI Keita

Принадлежит: FUJIFILM Corporation

The present invention provides a composition for forming a thermally conductive material, from which a thermally conductive material having excellent adhesiveness can be obtained. In addition, the present invention provides a thermally conductive material and a surface-modified inorganic substance.

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Номер записи: 82

01-04-2021 дата публикации

SOLAR THERMAL AEROGEL RECEIVER AND MATERIALS THEREFOR

Номер: US20210094834A1

Автор: Bhatia Bikramjit S., Bierman David M., Boriskina Svetlana, Chen Gang, COOPER Thomas A., Huang Xiaopeng, Loomis James, Strobach Elise M., Wang Evelyn N., Weinstein Lee A., Yang Sungwoo, Zhao Lin

Принадлежит:

A silica aerogel having a mean pore size less than 5 nm with a standard deviation of 3 nm. The silica aerogel may have greater than 95% solar-weighted transmittance at a thickness of 8 mm for wavelengths in the range of 250 nm to 2500 nm, and a 400° C. black-body weighted specific extinction coefficient of greater than 8 m/kg for wavelengths of 1.5 μm to 15 μm. Silica aerogel synthesis methods are described. A solar thermal aerogel receiver (STAR) may include an opaque frame defining an opening, an aerogel layer disposed in the opaque frame, with at least a portion of the aerogel layer being proximate the opening, and a heat transfer fluid pipe in thermal contact with and proximate the aerogel layer. A concentrating solar energy system may include a STAR and at least one reflector to direct sunlight to an opening in the STAR. 1. An aerogel material comprising:silica aerogel defining a porous material with pores having a mean radius of less than 5 nm with a standard deviation of 3 nm.2. The aerogel material of claim 1 , wherein the aerogel material comprises percent solids of less than 10%.3. The aerogel material of claim 1 , wherein the aerogel material comprises a mean particle size of 1.3 nm.4. The aerogel material of claim 1 , wherein the silica aerogel has a solar absorptance of >0.9 and IR emittance of <0.3 at a temperature of 400° C. when in thermal contact with a black absorber.536.-. (canceled) This application is a divisional of application Ser. No. 16/079,172 filed on Aug. 23, 2018 which is the national stage of International (PCT) Patent Application No. PCT/2017/019415, entitled “Solar Thermal Aerogel Receiver and Materials Therefor” and filed on Feb. 24, 2017, which claims priority to and the benefit of U.S. Provisional Patent Application No. 62/299,090, entitled “Solar Thermal Aerogel Receiver (STAR)” and filed Feb. 24, 2016, the entire contents of each of which are incorporated by reference herein.This invention was made with Government support under ...

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Номер записи: 83

28-03-2019 дата публикации

THERMAL RESISTANT TITANIUM DIOXIDE PARTICLES AND THE FORMATION OF COOL ARTICLES

Номер: US20190094426A1

Автор: CONNOLLY, JR. J. DON

Принадлежит:

The present disclosure relates to titanium dioxide particles designed to enhance reflection of both IR and visible wavelengths, or energy, and their use in forming cool, fully opaque polymeric articles prepared by melt processible resin. Such articles, made from melt processible thermoplastic and/or thermoset resin have enhanced outdoor utility because they inhibit damage caused by the sun as a result of the article including titanium dioxide particles of the present invention exhibiting low photo-activity properties. 1. Thermal resistant , low photo-activity , titanium dioxide particles comprising:a) a TiO2 particle comprising a surface having a median particle size between 0.30 μm and 0.38 μm;b) a silica coating;c) an alumina coating having an interior and exterior surface; andd) an organic coating,wherein the silica coating is located between the surface of the TiO2 particle and the interior surface of the alumina coating and the organic coating is located on the exterior surface of the alumina coating.2. The composition of wherein the TiO2 particle further comprises a rutile crystalline form.3. The composition of wherein the organic coating is selected from the group of organic compounds selected from the group consisting of an organosiloxane claim 1 , organosilane claim 1 , alkyl carboxylic acid claim 1 , alkyl sulfonate claim 1 , organophosphate claim 1 , orgaonophosphonate claim 1 , and a combination thereof.4. The composition of wherein the organic coating is polydimethyl siloxane.5. The composition of claim 1 , wherein the median particle size is in the range of 0.32 and 0.36.6. The composition of claim 1 , wherein the median particle size is in the range of 0.32 μm and 0.35 μm.7. The composition of wherein the silica coating is in the range of 1.0 to 5.0 wt. % of the total particle weight. This application is a divisional application of U.S. Ser. No. 15/078,125 filed Mar. 23, 2016, which claims the benefit of priority of U.S. Provisional Application No. 62 ...

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Номер записи: 84

01-04-2021 дата публикации

COMPOSITIONS AND METHODS FOR DOPED THERMOELECTRIC CERAMIC OXIDES

Номер: US20210098676A1

Автор: Chen Yun, Romo-de-la-Cruz Cesar-Octavio, Song Xueyan

Принадлежит:

Disclosed herein are doped thermoelectric ceramic oxide compositions comprising a calcium cobaltite ceramic. The doped thermoelectric ceramic oxide compositions can have a formula CaMCoOM, where Mrepresents a first metal dopant, Mrepresents a second metal dopant, x is a number having a value of from about 0.00 to about 3.00, and y is a number having a value of from about 0.01 to about 0.50. The doped thermoelectric ceramic oxide compositions have an increased energy conversion efficiency as compared to an undoped or conventional thermoelectric ceramic oxide materials. Also disclosed are methods for making the doped thermoelectric ceramic oxide compositions. Products and devices are disclosed comprising the thermoelectric ceramic oxide compositions, e.g., solid-state conversion devices that can utilize heat to generate electricity. This abstract is intended as a scanning tool for purposes of searching in the particular art and is not intended to be limiting of the present disclosure. 1. A doped thermoelectric ceramic oxide having the following formula:{'br': None, 'sub': 3-x', 'x', '4', '9', 'y, 'sup': 2', '1, 'CaMCoOM'}wherein x is a number having a value from about 0.00 to about 3;wherein y is a number having a value from about 0.01 to about 0.50;{'sup': '1', 'wherein Mis a first metal dopant comprises a metal selected from group 1 metals, group 2 metals, transition metals, post-transition metals, group 14 metals, group 15 metals, group 16 metals, and rare earth elements; and'}{'sup': '2', 'wherein Mis a second metal dopant comprising at least one rare earth element.'}2. The doped thermoelectric ceramic oxide of claim 1 , wherein the first metal dopant comprises a metal selected from K claim 1 , Bi claim 1 , Ce claim 1 , Nb claim 1 , Yb claim 1 , Lu claim 1 , and Ba.3. The doped thermoelectric ceramic oxide of claim 2 , wherein the first metal dopant comprises a metal selected from Bi and K.4. The doped thermoelectric ceramic oxide of claim 3 , wherein the first ...

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Номер записи: 85

04-04-2019 дата публикации

SOLAR THERMAL AEROGEL RECEIVER AND MATERIALS THEREFOR

Номер: US20190100439A1

Автор: Bhatia Bikramjit S., Bierman David M., Boriskina Svetlana, Chen Gang, COOPER Thomas A., Huang Xiaopeng, Loomis James, Strobach Elise M., Wang Evelyn N., Weinstein Lee A., Yang Sungwoo, Zhao Lin

Принадлежит:

A silica aerogel having a mean pore size less than 5 nm with a standard deviation of 3 nm. The silica aerogel may have greater than 95% solar-weighted transmittance at a thickness of 8 mm for wavelengths in the range of 250 nm to 2500 nm, and a 400° C. black-body weighted specific extinction coefficient of greater than 8 m/kg for wavelengths of 1.5 μm to 15 μm. Silica aerogel synthesis methods are described. A solar thermal aerogel receiver (STAR) may include an opaque frame defining an opening, an aerogel layer disposed in the opaque frame, with at least a portion of the aerogel layer being proximate the opening, and a heat transfer fluid pipe in thermal contact with and proximate the aerogel layer. A concentrating solar energy system may include a STAR and at least one reflector to direct sunlight to an opening in the STAR. 1. An aerogel material comprising:silica aerogel defining a porous material with pores having a mean radius of less than 5 nm with a standard deviation of 3 nm.2. The aerogel material of claim 1 , wherein the aerogel material comprises percent solids of less than 10%.3. The aerogel material of claim 1 , wherein the aerogel material comprises a mean particle size of 1.3 nm.4. The aerogel material of claim 1 , wherein the silica aerogel has a solar absorptance of >0.9 and IR emittance of <0.3 at a temperature of 400° C. when in thermal contact with a black absorber.5. An aerogel material comprising:{'sup': '2', 'silica aerogel having (i) greater than 95% solar-weighted transmittance at a thickness of 8 mm for wavelengths selected from the range of 250 nm to 2500 nm; and (ii) a 400° C. black-body weighted specific extinction coefficient of greater than 8 m/kg for wavelengths selected from the range of 1.5 μm to 15 μm.'}6. The aerogel material of claim 5 , wherein the silica aerogel has a thermal conductivity of less than 0.025 W/mK at room temperature and less than 0.1 W/mK at 400° C.7. A method for forming a silica aerogel claim 5 , the method ...

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Номер записи: 86

02-06-2022 дата публикации

SINTERING POWDER

Номер: US20220169905A1

Автор: Bhatkal Ravi, Boureghda Monnir, Chaki Nirmalya Kumar, Chandran Remya, de Avila Ribas Morgana, Desai Nitin, Ghosal Shamik, Khaselev Oscar, Kumar Sathish, Lifton Anna, Mukherjee Sutapa, Pachamuthu Ashok, Pandher Ranjit, Raut Rahul, Sarkar Siuli, Singh Bawa, Vishwanath Pavan

Принадлежит: ALPHA ASSEMBLY SOLUTIONS INC.

A sintering powder comprising: a particulate having a mean longest diameter of less than 10 microns, wherein at least some of the particles forming the particulate comprise a metal at least partially coated with a capping agent. A sintering paste and sintering film comprising the sintering powder. A method for making a sintered joint by sintering the sintering powder, paste, or film in the vicinity of two or more workpieces. 128-. (canceled)29. A sintering film comprising a sintering powder and a binder , wherein the sintering powder comprises:a particulate comprising heterogeneous particles having a mean longest diameter of less than 10 microns, wherein at least some of the particles forming the particulate comprise a metal at least partially coated with a capping agent,wherein the particulate comprises a first type of particles having a longest diameter of from 1 to 100 nm and a second type of particles having a longest diameter of from greater than 100 nm to 50 microns, andwherein the particulate comprises from 81 to 99 wt % of the first type of particles and from 1 to 19 wt % of the second type of particles.30. The sintering film of wherein the capping agent comprises an amine and/or a carboxylate functional group.31. The sintering film of wherein the capping agent comprises a straight chain or branched chain aliphatic amine.32. The sintering film of wherein the metal comprises one or more metals selected from silver claim 30 , copper claim 30 , nickel claim 30 , molybdenum claim 30 , tungsten claim 30 , and alloys and mixtures thereof.33. The sintering film of comprising from 0.1 to 3 wt % capping agent.34. The sintering film of claim 29 , wherein the first type of particles have a diameter of from 5 to 75 nm and/or the second type of particles have a diameter of from greater than 100 nm to 20 microns.35. The sintering film of claim 33 , wherein the particulate has a mean longest diameter of from 1 to 100 nm.36. The sintering film of claim 33 , wherein the ...

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Номер записи: 87

29-04-2021 дата публикации

3D CAGE TYPE HIGH NITROGEN CONTAINING MESOPOROUS CARBON NITRIDE FROM DIAMINOGUANIDINE PRECURSORS FOR CO2 CAPTURE AND CONVERSION

Номер: US20210121848A1

Автор: Albahily Khalid, Lakhi Kripal S., PARK Dae-Hwan, Ravon Ugo, Scaranto Jessica, VINU Ajayan

Принадлежит:

Certain embodiments of the invention are directed to nitrogen rich three dimensional CN+ mesoporous graphitic carbon nitride (gMCN) material formed from diaminoguanidine precursors, the gMCN having a spherical morphology and an average monomodal pore diameter between 6.5 to 9.5 nm. 1. A nitrogen rich three-dimensional graphitic mesoporous carbon nitride (gMCN) material having (i) a spherical morphology , (ii) a CN stoichiometry where the nitrogen to carbon (N/C) ratio from 1.45 to 1.6 , and (iii) a monomodal pore distribution with an average pore diameter between 6.5 to 9.5 nm.2. The material of claim 1 , wherein the N/C ratio is 1.5.3. The material of claim 1 , wherein the gMCN is formed from templated diaminoguanidine.4. The material of claim 1 , wherein the material has a BET surface area of 180 to 200 m/g.5. The material of claim 1 , wherein the material has a total pore volume of 0.4-0.7 cm/g.6. The material of claim 1 , wherein the material has a COadsorption capacity of 7.0 to 9.5 mmol/g at 273K and 30 bar.7. The material of claim 1 , wherein the material has an isosteric heat of adsorption of 10 claim 1 , 15 claim 1 , 20 claim 1 , 25 claim 1 , 30 claim 1 , 35 to 40 claim 1 , 45 claim 1 , 50 claim 1 , 55 claim 1 , 60 claim 1 , 65 claim 1 , 70 claim 1 , 75 claim 1 , 80 kJ/mol.8. The material of claim 1 , wherein the material is a negative replica of a FDU-12 silica template.9. A method of synthesizing a three dimensional carbon nitride material formed from a diaminoguanidine precursor comprising:(a) contacting a silica template with an aqueous diaminoguanidine precursor solution forming a templated reaction mixture;(b) heating the templated reaction mixture to a temperature between 40 and 200° C., preferably between 80 and 120° C. for 4 to 8 hours forming a first heated reaction mixture;(c) heating the first heated reaction mixture to a temperature between 100 and 200° C., preferably between 140 to 180° C., preferable 160° C., for 4 to 8 hours forming a second ...

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Номер записи: 88

21-04-2016 дата публикации

Thermal oscillator

Номер: US20160112050A1

Автор: Bernd Gotsmann, Fabian Menges

Принадлежит: International Business Machines Corp

A thermal oscillator ( 10 ) for creating an oscillating heat flux from a stationary spatial thermal gradient between a warm reservoir ( 20 ) and a cold reservoir ( 30 ) is provided. The thermal oscillator ( 10 ) includes a thermal conductor ( 11 ) which is connectable to the warm reservoir ( 20 ) or to the cold reservoir ( 30 ) and configured to conduct a heat flux from the warm reservoir ( 20 ) towards the cold reservoir ( 30 ), and a thermal switch ( 12 ) coupled to the thermal conductor ( 11 ) for receiving the heat flux and having a certain difference between two states (S 1 , S 2 ) of thermal conductance for providing thermal relaxation oscillations such that the oscillating heat flux is created from the received heat flux.

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Номер записи: 89

29-04-2021 дата публикации

PHOSPHOR AND PRODUCTION METHOD THEREOF PHOSPHOR-INCLUDING MEMBER, AND LIGHT EMITTING DEVICE OR PROJECTOR

Номер: US20210122975A1

Автор: ARAI Yusuke, GARCIA Villora Encarnacion Antonia, INOMATA Daisuke, SHIMAMURA Kiyoshi

Принадлежит:

Provided is a particulate phosphor including a single crystal having a composition represented by a compositional formula (YLuGdCe)AlO(0≤x≤0.9994, 0≤y≤0.0669, 0.001≤z≤0.004, −0.016≤a≤0.315) and a particle diameter (D50) of not less than 20 μm. Also provided is a light-emitting device including a phosphor-including member that includes the phosphor and a sealing member including a transparent inorganic material sealing the phosphor or a binder including an inorganic material binding particles of the phosphor, and a light-emitting element that emits a blue light for exciting the phosphor. 1. A particulate phosphor , comprising:{'sub': 1-x-y-z', 'x', 'y', 'z', '3+a', '5−a', '12, 'a single crystal having a composition represented by a compositional formula (YLuGdCe)AlO(0≤x≤0.9994, 0≤y≤0.0669, 0.001≤z≤0.004, −0.016≤a≤0.315); and'}a particle diameter (D50) of not less than 20 μm.2. The phosphor according to claim 1 , wherein the particle diameter (D50) is not more than 120 μm.3. A phosphor-including member claim 1 , comprising:{'claim-ref': {'@idref': 'CLM-00001', 'claim 1'}, 'the phosphor according to ; and'}a sealing member comprising a transparent inorganic material sealing the phosphor or a binder comprising an inorganic material binding particles of the phosphor.4. A light-emitting device claim 1 , comprising:{'claim-ref': {'@idref': 'CLM-00001', 'claim 1'}, 'a phosphor-including member that comprises the phosphor according to and a sealing member comprising a transparent inorganic material sealing the phosphor or a binder comprising an inorganic material binding particles of the phosphor; and'}a light-emitting element that emits a blue light for exciting the phosphor.5. The light-emitting device according to claim 4 , wherein the light-emitting element comprises a laser diode.6. A projector claim 4 , comprising:{'claim-ref': {'@idref': 'CLM-00001', 'claim 1'}, 'a phosphor-including member that comprises the phosphor according to , and a sealing member comprising a ...

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Номер записи: 90

11-04-2019 дата публикации

SPHERICAL EUCRYPTITE PARTICLES AND METHOD FOR PRODUCING SAME

Номер: US20190106329A1

Автор: AE Masanori, Matsumoto Tadashi, SATO Yutaka, TANAKA Mutsuhito, TOKUDA Shozo, YAGI Katsumasa

Принадлежит: Nippon Steel & Sumikin Materials Co., Ltd.

The present invention addresses the problem of providing: spherical eucryptite particles which have higher circularity than in the prior art, have a large negative thermal expansion and a high thermal conductivity, have high flowability, dispersibility, and filling capability, and are also applicable in the field of semiconductors; and a method for producing the spherical eucryptite particles. As a means for solving the problem, the present invention provides: the method for producing the spherical eucryptite particles characterized by heat treating, at 600 to 1100° C., spherical particles which have been thermally sprayed with a feedstock powder that includes 45 to 55 mol % of SiO, 20 to 30 mol % of AlO, and 20 to 30 mol % of LiO, and obtaining spherical particles that include 89% or more of a eucryptite crystalline phase; and the spherical eucryptite particles obtained by this method. 1. Spherical eucryptite particles comprising a eucryptite crystalline phase containing 45 to 55 mol % of SiO , 20 to 30 mol % of AlOand 20 to 30 mol % of LiO , and having a circularity of 0.90 to 1.0.2. The spherical eucryptite particles according to claim 1 , wherein said particles have a thermal expansion coefficient is −2×10/K to −10×10/K.3. The spherical eucryptite particles according to claim 1 , wherein the average particle diameter (D50) is more than 1 μm to 100 μm.4. A method for producing spherical eucryptite particles according to claim 1 , wherein said spherical particles are obtained by thermally spraying a feedstock powder containing 45 to 55 mol % of SiO claim 1 , 20 to 30 mol % of AlOand 20 to 30 mol % of LiO claim 1 , and heat treated to obtain spherical particles containing 89% or more of a eucryptite crystalline phase.5. The method for producing spherical eucryptite particles according to claim 4 , wherein the thermally sprayed spherical particles are heat treated at 500 to 1000° C. for 1 to 48 hours.6. The spherical eucryptite particles according to claim 2 , ...

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Номер записи: 91

11-04-2019 дата публикации

Preparation method of silica aerogel-containing blanket and silica aerogel-containing blanket prepared by using the same

Номер: US20190107242A1

Автор: Je Kyun Lee, Jin Hee Oh, Kyoung Shil Oh, Mi Ri Kim

Принадлежит: LG Chem Ltd

Provided are a preparation method of a silica aerogel-containing blanket which includes mixing a water glass solution, a polar organic solvent, and a silazane-based surface modifier to prepare a sol, preparing a silica gel-base material composite by immersion and gelation of a base material for a blanket in the sol, and drying the silica gel-base material composite, and a silica aerogel-containing blanket prepared by using the preparation method. A silica aerogel-containing blanket having a high degree of hydrophobicity as well as excellent physical properties, particularly, low tap density, high porosity, and excellent mechanical flexibility can be prepared by the minimal use of a surface modifier without a surface modification step by the above method.

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Номер записи: 92

11-04-2019 дата публикации

COMPOUND AND THERMOELECTRIC CONVERSION MATERIAL

Номер: US20190109269A1

Автор: Shimano Satoshi, Taguchi Yasujiro, TOKURA Yoshinori

Принадлежит:

The present invention relates to a compound containing at least germanium, tellurium, bismuth, copper, antimony and silver as constituent elements. 1. A compound comprising at least germanium , tellurium , bismuth , copper , antimony and silver as constituent elements.2. The compound according to claim 1 , having a carrier density of not more than 1.0×10cm.3. The compound according to claim 1 , represented by a chemical formula GeBiCuSbAgTe (wherein −0.05≤a≤0.10 claim 1 , 0≤b≤0.10 claim 1 , 0≤c≤0.10 claim 1 , 0≤d≤0.20 claim 1 , and 0≤e≤0.20).4. The compound according to claim 1 , wherein an intensity ratio I(Ge)/I(GeTe) between a maximum intensity I(GeTe) of an XRD peak attributable to germanium telluride and a maximum intensity I(Ge) of an XRD peak attributable to germanium metal is not more than 0.025.5. The compound according to claim 1 , wherein a longest axis of bismuth claim 1 , copper claim 1 , antimony or silver claim 1 , which are ubiquitous within the compound claim 1 , is less than 2.0 μm.6. A thermoelectric conversion material comprising the compound according to . The present invention relates to a compound and a thermoelectric conversion material.Priority is claimed on Japanese Patent Application No. 2016-073745, filed Mar. 31, 2016, and Japanese Patent Application No. 2016-177049, filed Sep. 9, 2016, the contents of which are incorporated herein by reference.Thermoelectric conversion devices that utilize the Seebeck effect are able to convert thermal energy into electrical energy. In other words, by using a thermoelectric conversion device, electric power can be obtained directly from thermal energy. For example, by using a thermoelectric conversion device, the waste heat from the engine of an automobile can be recovered, and a portion of that waste heat can then be converted to electric power. For example, waste heat from a factory can be recovered, and a portion of that waste heat converted to electric power.In recent years, from the viewpoints of ...

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Номер записи: 93

09-06-2022 дата публикации

HEAT INSULATING MATERIAL, ENGINE COMPRISING HEAT INSULATING MATERIAL, NANOPARTICLE DISPERSION LIQUID, AND PRODUCTION METHOD FOR HEAT INSULATING MATERIAL

Номер: US20220177320A1

Автор: KADOSHIMA Shinji, KOGA Hiroyuki, YAMAMOTO Kazuaki

Принадлежит:

A heat insulating layer contains many hollow particles, a silicone-based resin binder, and silica nanoparticle. The percentage of the silica nanoparticles in the total amount of the resin binder and the silica nanoparticles is equal to or greater than 10% by volume and equal to or smaller than 55% by volume. 1. A heat insulating material containing many hollow particles , a silicone-based resin binder , and a nanoparticle , comprising:an inorganic nanoparticle as the nanoparticle,a percentage of the inorganic nanoparticle in a total amount of the resin binder and the inorganic nanoparticle being equal to or greater than 10% by volume and equal to or smaller than 55% by volume.2. The heat insulating material of claim 1 , whereina surface of the inorganic nanoparticle is subjected to hydrophobization treatment.3. The heat insulating material of claim 2 , whereinthe inorganic nanoparticle is a modified silica nanoparticle whose surface is modified with a phenyl group.4. The heat insulating material of claim 1 , whereina number-average particle size of the hollow particles is equal to or smaller than 30 μm.5. The heat insulating material of claim 1 , whereineach hollow particle is an inorganic hollow particle.6. An engine comprising: the heat insulating material of on a surface forming a combustion chamber claim 1 ,a thickness of the heat insulating material is equal to or greater than 20 μm and equal to or smaller than 150 μm.7. A nanoparticle dispersion liquid claim 1 , a nanoparticle being dispersed in a reactive silicone-based resin solution claim 1 ,a percentage of the nanoparticle in a total amount of silicone-based resin and the nanoparticle upon reaction and curing of the resin solution being equal to or greater than 10% by volume and equal to or smaller than 55% by volume, and{'sup': '0.5', 'an HSP distance between the nanoparticle and the resin solution is equal to or smaller than 8.5 MPa.'}8. The nanoparticle dispersion liquid of claim 7 , whereinthe ...

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Номер записи: 94

28-04-2016 дата публикации

Metal nitride material for thermistor, method for producing same, and film type thermistor sensor

Номер: US20160118165A1

Автор: Hiroshi Tanaka, Noriaki Nagatomo, Toshiaki Fujita

Принадлежит: Mitsubishi Materials Corp

Provided are a metal nitride material for a thermistor, which has a high heat resistance and a high reliability and can be directly deposited on a film or the like without firing, a method for producing the same, and a film type thermistor sensor. The metal nitride material for a thermistor consists of a metal nitride represented by the general formula: V x Al y N z (where 0.70≦y/(x+y)≦0.98, 0.4≦0.5, and x+y+z=1), wherein the crystal structure thereof is a hexagonal wurtzite-type single phase. The method for producing the metal nitride material for a thermistor includes a deposition step of performing film deposition by reactive sputtering in a nitrogen-containing atmosphere using a V—Al alloy sputtering target.

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Номер записи: 95

18-04-2019 дата публикации

COMPOUND, THERMOELECTRIC CONVERSION MATERIAL, AND METHOD FOR PRODUCING COMPOUND

Номер: US20190115517A1

Автор: Shimano Satoshi, Taguchi Yasujiro, TOKURA Yoshinori

Принадлежит:

The present invention relates to a compound containing at least germanium, tellurium, bismuth and copper as constituent elements, wherein the longest axis of ubiquitous bismuth crystals and copper crystals is less than 2.0 μm. 1. A compound comprising at least germanium , tellurium , bismuth and copper as constituent elements , wherein a longest axis of ubiquitous bismuth crystals and copper crystals is less than 2.0 μm.2. A compound comprising at least germanium , tellurium , bismuth and copper as constituent elements , wherein an intensity ratio I(Ge)/I(GeTe) between a maximum intensity I(GeTe) of an XRD peak attributable to germanium telluride and a maximum intensity I(Ge) of an XRD peak attributable to germanium metal is not more than 0.025.3. The compound according to claim 2 , wherein a longest axis of bismuth crystals and copper crystals claim 2 , which are ubiquitous within the compound claim 2 , is less than 2.0 μm.4. The compound according to claim 1 , having a rhombohedral crystal structure derived from germanium telluride.5. The compound according to claim 1 , represented by a chemical formula GeBiCuTe (wherein −0.05≤a≤0.10 claim 1 , 0 Подробнее

Номер записи: 96

04-05-2017 дата публикации

NEW POWDER METAL PROCESS FOR PRODUCTION OF COMPONENTS FOR HIGH TEMPERATURE USEAGE

Номер: US20170120339A1

Автор: ASLUND Christer

Принадлежит: Metalvalue SAS

There is provided a method for the manufacture of a metal part from powder comprising the steps: a) providing a spherical metal powder, b) mixing the powder with a hydrocolloid in water to obtain an agglomerated metal powder, c) compacting the agglomerated metal powder to obtain a part of compacted agglomerated metal powder, wherein the structure of the part is open, d) debinding the part to remove the hydrocolloid, e) compacting the part using high velocity compaction (HVC) preferably to a density of more than 95% of the full theoretical density, f) further compacting the part using hot isostatic pressing (HIP) preferably to more than 99% of the full theoretical density to obtain a finished metal part, wherein at least one oxide is added to the metal powder before step c), which oxide has a melting point higher than the melting point of the metal powder. 1. A method for the manufacture of a metal part from spherical metal powder comprising the steps:a. providing a spherical metal powder,b. mixing the spherical powder with a hydrocolloid in water to obtain an agglomerated spherical metal powder,c. compacting the agglomerated spherical metal to obtain a part of compacted agglomerated metal powder, wherein the structure of the part is open,d. debinding the part to remove the hydrocolloid,e. compacting the part using high velocity compaction (HVC) preferably to a density of more than 95% of the full theoretical density,f. further compacting the part using HIP, preferably to more than 99% of the full theoretical density, to obtain a finished metal part,wherein at least one oxide is added to the metal powder before step c), which oxide has a melting point higher than the melting point of the metal powder.2. The method according to claim 1 , wherein the oxide has a melting point at least 100° C. higher than the metal powder claim 1 , wherein the oxide is stable at the melting point of the metal powder claim 1 , and wherein the oxide does not react with the metal powder at ...

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Номер записи: 97

25-08-2022 дата публикации

Solid composition

Номер: US20220267210A1

Автор: Atsunori DOI, Satoshi Shimano

Принадлежит: Sumitomo Chemical Co Ltd

A solid composition contains a first material and a powder and satisfies requirements 1 and 2. Requirement 1: |dA(T)/dT| satisfies 10 ppm/° C. or more at least at −200° C. to 1,200° C. A is (an a-axis lattice constant of a crystal in the powder)/(a c-axis lattice constant of a crystal in the powder), obtained from X-ray diffractometry of the powder. Requirement 2: C is 0.04 or more. C is (a log differential pore volume when a pore diameter of the solid composition is B in a pore distribution curve of the solid composition)/(a log differential pore volume corresponding to a maximum peak intensity in the pore distribution curve of the solid composition). B is (a pore diameter giving a maximum peak intensity in the pore distribution curve of the solid composition)/2. The pore distribution curve of the solid composition shows a relationship between the pore diameter and the log differential pore volume.

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Номер записи: 98

25-08-2022 дата публикации

POWDER AND SOLID COMPOSITION

Номер: US20220267605A1

Автор: DOI Atsunori, Shimano Satoshi

Принадлежит:

This powder satisfies requirements 1 and 2. 1. Powder that satisfies the following requirements 1 and 2:requirement 1: |dA(T)/dT| satisfies 10 ppm/° C. or more at at least one temperature T1 in a range of −200° C. to 1200° C.where A is (a-axis (shorter axis) lattice constant of a crystal in the powder)/(c-axis (longer axis) lattice constant of the crystal in the powder), and each of the lattice constants is obtained by X-ray diffractometry of the powder; andrequirement 2: a particle diameter D50 at a cumulative frequency of 50%, a particle diameter D10 at a cumulative frequency of 10%, and a particle diameter D90 at a cumulative frequency of 90% in a volume-based cumulative particle diameter distribution curve obtained by a laser diffraction scattering method satisfy the following conditions (I) and (II):(I) a ratio of D10 to D50 (D10/D50) is 0.05 or more and 0.45 or less, and(II) D90 is 0.5 um or more and 70 um or less.2. The powder according to claim 1 , wherein the powder is metal oxide powder.3. The powder according to claim 2 , wherein the metal oxide powder is metal oxide powder containing a metal having d electrons.4. The powder according to claim 2 , wherein the metal oxide powder is titanium-containing metal oxide powder.5. The powder according to claim 4 , wherein the titanium-containing metal oxide powder is TiO(x=1.30 to 1.66) powder.6. The powder according to claim 1 , wherein the D50 is 0.5 μm or more and 60 μm or less.7. A solid composition comprising the powder according to and a first material.8. The solid composition according to claim 7 , wherein the first material is at least one compound selected from the group consisting of resins claim 7 , alkali metal silicates claim 7 , ceramics claim 7 , and metals. The present invention relates to powder and a solid composition.Conventionally, it has been known to add a solid material having a negative linear thermal expansion coefficient to a solid material having a positive linear thermal expansion ...

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Номер записи: 99

04-05-2017 дата публикации

Thermoelectric Conversion Element and Thermoelectric Conversion Module

Номер: US20170125658A1

Автор: Ryoji Funahashi

Принадлежит: National Institute of Advanced Industrial Science and Technology AIST

A thermoelectric conversion element in which one end of an n-type thermoelectric conversion material and one end of a p-type thermoelectric conversion material are each bonded to a conductive substrate using a bonding agent, the n-type thermoelectric conversion material and the p-type thermoelectric conversion material being specific silicides, the bonding agent being a conductive paste containing conductive metals consisting of silver and at least one noble metal selected from the group consisting of gold, platinum, and palladium, as well as a thermoelectric conversion module comprising a plurality of these thermoelectric conversion elements and having a specific structure, achieve excellent thermoelectric conversion performance in an intermediate temperature range of room temperature to about 700° C., and performance degradation hardly occurs even when electric generation is repeated, making it possible to maintain the excellent performance over a long period of time.

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Номер записи: 100