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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 20132. Отображено 100.

05-01-2012 дата публикации

Magnetic multilayer pigment flake and coating composition

Номер: US20120001116A1

Автор: Cornelis Jan Delst, Paul G. Coombs, Paul T. Kohlmann, Vladimir P. Raksha

Принадлежит: JDS Uniphase Corp

The present invention provides a magnetic multilayer pigment flake and a magnetic coating composition that are relatively safe for human health and the environment. The pigment flake includes one or more magnetic layers of a magnetic alloy having a substantially nickel-free composition including about 40 wt % to about 90 wt % iron, about 10 wt % to about 50 wt % chromium, and about 0 wt % to about 30 wt % aluminum. The coating composition includes a plurality of the pigment flakes disposed in a binder medium.

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Номер записи: 1

09-02-2012 дата публикации

Lipid-coated metallic sulfates compositions for reducing cations in cement based compositions, and related methods

Номер: US20120031304A1

Автор: Fernando César Fernandes

Принадлежит: Individual

A cement-based composition which comprises a mixture of a hyrdratable, cement-based composition and a compound comprising a metallic cationic species, the compound being in particulate form, the particles of the particulate compound having a lipid coating.

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Номер записи: 2

01-03-2012 дата публикации

Polycrystalline silicon and method for production thereof

Номер: US20120052297A1

Автор: Erich Dornberger, Reiner Pech

Принадлежит: Wacker Chemie AG

Polycrystalline silicon of the invention contains: (a) polycrystalline silicon fragments, wherein at least 90% of the fragments have a size from 10 to 40 mm, (b) <15 ppmw of silicon dust particles having particle sizes <400 μm; (c) <14 ppmw of silicon dust particles having particle sizes <50 μm; (d) <10 ppmw of silicon dust particles having particle sizes <10 μm; (e) <3 ppmw of silicon dust particles having particle sizes <1 μm; and (f) surface metal impurities in an amount ≦0.1 ppbw and ≧100 ppbw. A polycrystalline silicon production method of the invention includes fracturing polycrystalline silicon deposited on thin rods in a Siemens reactor into fragments; classifying the fragments by size; and treating the fragments with compressed air or dry ice to remove silicon dust from the fragments without wet chemical cleaning.

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Номер записи: 3

22-03-2012 дата публикации

Phosphor particle group and light emitting apparatus using the same

Номер: US20120068595A1

Автор: Kenji Terashima, Masatsugu Masuda, Tetsuya Hanamoto

Принадлежит: Sharp Corp

Provided is a phosphor particle group of divalent europium-activated oxynitride green light emitting phosphor particles each of which is a β-type SiAlON substantially represented by a general formula: EuaSibAlcOdNe, where 0.005≦a≦0.4, b+c=12, d+e=16, wherein 60% or more of the phosphor particle group is composed of the phosphor particles in which a value obtained by dividing a longer particle diameter by a shorter particle diameter is greater than 1.0 and not greater than 3.0. A high-efficiency and stable light emitting apparatus using a β-type SiAlON, which includes a light converter using the phosphor particle group, and a phosphor particle group therefor are also provided.

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Номер записи: 4

19-04-2012 дата публикации

Method for producing alkali metal niobate particles, and alkali metal niobate particles

Номер: US20120094126A1

Автор: Atsuki Terabe, Atsushi Muramatsu, Hideto Mizutani, Hirofumi Takahashi, Kiyoshi Kanie, Satoru Sueda, Yasuhiro Okamoto

Принадлежит: Fuji Ceramics Corp, Sakai Chemical Industry Co Ltd, Tohoku University NUC

Disclosed are a method of producing fine particulate alkali metal niobate in a liquid phase system, wherein the size and shape of particles of the fine particulate alkali metal niobate can be controlled; and fine particulate alkali metal niobate having a controlled shape and size. Specifically disclosed are a method of producing particulate sodium-potassium niobate represented by the formula (1): Na x K (1-x) NbO 3 (1), the method including four specific steps, wherein a high-concentration alkaline solution containing Na + ion and K + ion is used as an alkaline solution; and particulate sodium-potassium niobate having a controlled shape and size.

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Номер записи: 5

03-05-2012 дата публикации

Mixed valency metal sulfide sorbents for heavy metals

Номер: US20120103912A1

Автор: Lucy Jane Hetherington, Matthew John Cousins

Принадлежит: JOHNSON MATTHEY PLC

A sorbent, suitable for removing heavy metals, including mercury, from fluids containing hydrogen and/or carbon monoxide at temperatures up to 550° C., in the form of a shaped unit comprising one or more mixed-valency metal sulphides of vanadium, chromium, manganese, iron, cobalt or nickel.

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Номер записи: 6

03-05-2012 дата публикации

Methods Of Making A Niobium Metal Oxide and Oxygen Reduced Niobium Oxides

Номер: US20120107224A1

Автор: David M. Reed, Dorran L. Schultz, Heather L. Enman, Jeffrey A. Kerchner, Ricky W. Kitchell, Sridhar Venigalla, Stephen J. Krause

Принадлежит: Cabot Corp

Methods to at least partially reduce a niobium oxide are described wherein the process includes mixing the niobium oxide and niobium powder to form a powder mixture that is then heat treated to form heat treated particles which then undergo reacting in an atmosphere which permits the transfer of oxygen atoms from the niobium oxide to the niobium powder, and at a temperature and for a time sufficient to form an oxygen reduced niobium oxide. Oxygen reduced niobium oxides having high porosity are also described as well as capacitors containing anodes made from the oxygen reduced niobium oxides.

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Номер записи: 7

24-05-2012 дата публикации

Printing ink, in particular ink-jet ink, containing pearlescent pigments based on fine and thin substrates

Номер: US20120125229A1

Автор: Barbara Mendler, Günter KAUPP, Michael GRÜNER, Stefan Engel, Ulrich Schmidt

Принадлежит: ECKART GMBH

A printing ink, preferably ink-jet ink, containing pearlescent pigments and at least one of at least one solvent, at least one radiation-curable component and at least one binder, wherein the pearlescent pigments comprise a substantially transparent platelet-shaped substrate having a density ρ S and at least one optically active coating having a density ρ M , and the pearlescent pigments have a d 90 value for a cumulative frequency distribution of a volume-averaged size distribution function with a range from 3.5 to 15 μm. The invention further relates to a process for producing the printing ink.

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Номер записи: 8

21-06-2012 дата публикации

Water-Absorbent Surface-Modified-Clay Linked Polymers

Номер: US20120157623A1

Автор: Axel Meyer, Josef Breu, Manuela Stirner, Michael Moeller, Torsten Lindner

Принадлежит: Procter and Gamble Co

An aqueous acidic polymerization liquid comprising polymerisable monomers or oligomers with carboxylate and/or carboxylic acid moiety or moieties, and basal surface modified clay that is homogenously dispersable in said liquid is provided, and also methods for making such liquids, and also surface-modified-clay linked water-absorbing polymers made with said liquids and methods, and disposable absorbent articles comprising such surface-modified-clay linked water-absorbing polycarboxylate/polycarboxylic acid polymers.

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Номер записи: 9

12-07-2012 дата публикации

Scale-shaped filmy fines dispersion

Номер: US20120174824A1

Автор: Masato Hirota, Toshio Takenaka

Принадлежит: Oike and Co Ltd

Provided is a scale-shaped filmy fines dispersion. More specifically, scale-shaped filmy fines are subjected to a treatment for keeping the scale-shaped filmy fines from easily settling out. In the case of a metallic pigment using the scale-shaped filmy fines, the scale-shaped filmy fines are dispersed in the ink. As a result, nozzle clogging can be prevented, and the obtained print can achieve abundant metallic luster. The scale-shaped filmy fines dispersion contains, in a solvent, scale-shaped filmy fines obtained by finely grinding a simple metal, an alloy, or a metal compound. The scale-shaped filmy fines have a mean length of 0.5 μm or more and 5.0 μm or less, a maximum length of 10 μm or less, a mean thickness of 5 nm or more and 100 nm or less, and an aspect ratio of 20 or more.

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Номер записи: 10

19-07-2012 дата публикации

Near-infrared-absorbing particles, process for their production, dispersion, and article thereof

Номер: US20120183763A1

Автор: Keisuke Abe, Makoto Hasegawa, Mitsuo Osawa, Wakako ITO

Принадлежит: Asahi Glass Co Ltd

To provide near-infrared-absorbing particles which have a high transmittance in the visible light region and a low transmittance in the near infrared region and which, when incorporated, can give a near-infrared-absorbing coating film wherein the transmittance sharply changes in the wavelength range of from 630 to 700 nm; a process for their production; and their dispersion. Near-infrared-absorbing particles consisting essentially of crystallites of A 1/n CuPO 4 and having a number average aggregated particle size is from 20 to 200 nm, wherein A is at least one member selected from the group consisting of alkali metals (Li, Na, K, Rb and Cs), alkaline earth metals (Mg, Ca, Sr and Ba) and NH 4 , and n is 1 when A is an alkali metal or NH 4 , or 2 when A is an alkaline earth metal.

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Номер записи: 11

26-07-2012 дата публикации

Magnesium oxide powder having excellent dispersibility and method for producing the same

Номер: US20120189850A1

Автор: Yoshihisa Ohsaki

Принадлежит: Tateho Chemical Industries Co Ltd

A magnesium oxide powder having excellent dispersibility and a small average particle diameter as well as a uniform particle diameter and containing no very small size particles is obtained. A magnesium oxide powder which is particles, wherein the magnesium oxide powder has a BET specific surface area of 5 m 2 /g or more, a cumulative 50% particle diameter (D 50 ) obtained in the measurement of laser diffraction scattering particle size distribution of 0.3 to 1.5 μm, a ratio of a cumulative 90% particle diameter (D 90 ) to a cumulative 10% particle diameter (D 10 ) (D 90 /D 10 ) obtained in the measurement of laser diffraction scattering particle size distribution of 5 or less, and a D 10 of 0.1 μm or more.

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Номер записи: 12

09-08-2012 дата публикации

Method

Номер: US20120201864A1

Автор: Christopher J. Rickard, James D. Morrison, Maurice S. Newton, Nigel P. Rhodes, Richard J. Applewhite

Принадлежит: Cytochroma Development Inc

There is provided a method of producing a mixed metal compound comprising at least Mg 2+ and at least Fe + having an aluminium content of less than 10000 ppm, having an average crystal size of less than 20 nm (200 A) comprising the steps of: (a) combining a Mg 2+ salt and a Fe 3+ salt with Na 2 CO 3 and NaOH to produce a slurry, wherein the pH of the slurry is maintained at from 9 5 to 1 1, and wherein the Na 2 CO 3 is provided at an excess of 0 to 4.0 moles than is required to complete the reaction (b) subjecting the slurry to mixing under conditions providing a power per unit volume of 0 03 to 1.6 kW/m 3 (c) separating the mixed metal compound from the slurry, to obtain a crude product having a dry solid content of at least 10 wt % (d) drying the crude product either by (i) heating the crude product to a temperature of no greater than 150° C. and sufficient to provide a water evaporation rate of 0.05 to 1 5 kg water per hour per kg of dry product, or (H) exposing the crude product to rapid drying at a water evaporation rate of 500 to 50000 kg water per hour per kg of dry product.

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Номер записи: 13

11-10-2012 дата публикации

Method for preparing barium titanate

Номер: US20120258036A1

Автор: DONG HUA, Zhiguang Jiang

Принадлежит: Beijing Maxqueen Tech Co Ltd, Guizhou Redstar Developing Co Ltd

Provided is a method for preparing barium titanate, which comprises: dissolving BaCl 2 .2H 2 O into TiCl 4 solution to prepare Ba—Ti mixed solution with a Ba/Ti mol ratio of 1:1; adding ammonia and ammonium bicarbonate into deionized water to prepare synthetic agent with a NH 4 OH/NH 4 HCO 3 mol ratio of 5:1; adding Ba—Ti mixed solution and synthesis agent into a reactor for synthesis to obtain a slurry; pressure filtering, thermal washing and then pressure filtering, to obtain a filter cake; calcining the filter cake for 1 hour at 590-610° C., followed by further calcining for 2 hours at 700-950° C.; crushing the obtained solid produced by a crusher, and thereby obtaining barium titanate. The obtained barium titanate is spherical, and has a narrower particle size distribution. The method reduces costs.

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Номер записи: 14

18-10-2012 дата публикации

Acid modified natural filler to initialize the beta-nucleation of polypropylene

Номер: US20120264866A1

Автор: Matthias Buri, Michael Knerr, Patrick A.C. Gane

Принадлежит: OMYA DEVELOPMENT AG

The present invention relates to a composition for beta-nucleation of polypropylene, comprising: (a) a particulate mineral solid support, comprising a compound of a IUPAC Group 2 metal, and (b) on the surface of the particulate solid support (b1) a salt of a dicarboxylic acid, wherein the dicarboxylic acid has from 7 to 10 carbon atoms, and (b2) a dispersing and/or grinding agent.

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Номер записи: 15

08-11-2012 дата публикации

Spray Pyrolysis Synthesis of Mesoporous Positive Electrode Materials for High Energy Lithium-Ion Batteries

Номер: US20120282522A1

Автор: Richard L. Axelbaum, Xiaofeng Zhang

Принадлежит: Washington University in St Louis WUSTL

A lithium metal oxide positive electrode material useful in making lithium-ion batteries that is produced using spray pyrolysis. The material comprises a plurality of metal oxide secondary particles that comprise metal oxide primary particles, wherein the primary particles have a size that is in the range of about 1 nm to about 10 μm, and the secondary particles have a size that is in the range of about 10 nm to about 100 μm and are uniformly mesoporous.

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Номер записи: 16

08-11-2012 дата публикации

Stable Sub-Micron Titania Sols

Номер: US20120283092A1

Автор: David M. Chapman

Принадлежит: Millennium Inorganic Chemicals Inc

The present invention is directed to compositions and processes for the production of stable, alkaline, high solids, low viscosity, low surface tension, low flammability, sub-micron titania sols that have minimal offensive odor and methods of their use. Compositions of the present invention include, for example, mixtures of strong and weak organic bases used as dispersants to stabilize the titania sols. The dispersant mixtures have been found to result in relatively high titania solids content, low surface tension, low viscosity suspensions that are low in flammability. Sols produced according to the present invention can be used, for example, in catalytic applications such as catalyst supports for diesel emission control, or in pollutant photocatalyst applications in which it is desirable to have the titania in sol form.

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Номер записи: 17

22-11-2012 дата публикации

Particulate Titanium Dioxide

Номер: US20120294914A1

Автор: Ian Robert Tooley, Paul Martin Staniland, Robert Michael Sayer

Принадлежит: Croda International PLC

A particulate titanium dioxide has a median volume particle diameter of greater than 70 nm. The titanium dioxide can be produced by calcining precursor particles. The titanium dioxide has enhanced UVA efficacy. The particulate titanium dioxide can be used to form dispersions. The particulate titanium dioxide or dispersions can be used to produce sunscreen products having a UV protection which is at least one third of the label SPF value.

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Номер записи: 18

20-12-2012 дата публикации

Synthetic amorphous silica powder and method for producing same

Номер: US20120321894A1

Автор: Toshiaki Ueda

Принадлежит: Mitsubishi Materials Corp

The synthetic amorphous silica powder of the present invention is characterized in that it comprises a synthetic amorphous silica powder obtained by applying a spheroidizing treatment to a silica powder, and by subsequently cleaning and drying it so that the synthetic amorphous silica powder has an average particle diameter D 50 of 10 to 2,000 μm; wherein the synthetic amorphous silica powder has: a quotient of 1.00 to 1.35 obtained by dividing a BET specific surface area of the powder by a theoretical specific surface area calculated from the average particle diameter D 50 ; a real density of 2.10 to 2.20 g/cm 3 ; an intra-particulate porosity of 0 to 0.05; a circularity of 0.75 to 1.00; and a spheroidization ratio of 0.55 to 1.00.

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Номер записи: 19

27-12-2012 дата публикации

Material in the form of lithium fluoride powder containing colour centres, method for preparation and use thereof

Номер: US20120325112A1

Автор: Danjela KUŠCER HROVATIN, Giuseppina Palma, Luca Gregoratti, Marco Peloi, Marija Kosec

Принадлежит: INSTITUT JOZEF STEFAN, SINCROTRONE TRIESTE SCPA

It is describes a material in the form of lithium fluoride powder containing colour centres and the method for its preparation, by the formation of colour centres based on irradiating the powder with synchrotron radiation (light). The method involves mechanically reducing the size of the particles that form the LiF powder and the formation of colour centres therein by its exposure to synchrotron radiation. The so activated powder, which maintains the transparency characteristics of the original material if exposed to sunlight, can find wide use as an additive both in common printing inks and in pigments used in the artistic field to be used for the formation of marks on artefacts for anti-counterfeiting/identification purposes.

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Номер записи: 20

03-01-2013 дата публикации

Positive Electrode Active Material For Lithium-Ion Battery, Positive Electrode For Lithium-Ion Battery, And Lithium-Ion Battery

Номер: US20130004849A1

Автор: Hirohito Satoh

Принадлежит: JX Nippon Mining and Metals Corp

The present invention provides a positive electrode active material for lithium ion battery having good rate characteristics. The positive electrode active material for lithium ion battery has a layer structure expressed by a composition formula: Li x (Ni y Mi 1-y )O z , wherein M represents Mn and Co, x represents 0.9 to 1.2, y represents 0.6 to 0.9, and z represents 1.8 to 2.4. The positive electrode active material has a particle size ratio D50P/D50 of 0.60 or more, wherein D50 is the average secondary particle size of the positive electrode active material powder, and D50P is the average secondary particle size of the positive electrode active material powder after pressing at 100 MPa. The positive electrode active material contains 3% or less particles having a particle size of 0.4 μm or less in terms of the volume ratio after pressing at 100 MPa.

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Номер записи: 21

03-01-2013 дата публикации

Negative active material, negative electrode including the same, lithium battery including negative electrode and method of preparing negative active material

Номер: US20130004850A1

Автор: Gwi-ok PARK, Han-su Kim, Jae-Man Choi, Jeong-Kuk Shon, Ji-Man Kim, Min-Sang Song, Moon-Seok Kwon, Seung-Sik Hwang

Принадлежит: SAMSUNG ELECTRONICS CO LTD

A negative active material including an ordered porous manganese oxide, wherein pores of the ordered porous manganese oxide have bimodal size distribution, and a method of preparing the negative active material. The invention also includes a negative electrode including the negative active material and a lithium battery including the negative electrode.

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Номер записи: 22

03-01-2013 дата публикации

Negative active material, negative electrode including the same, lithium secondary battery including negative electrode, and method of preparing negative active material

Номер: US20130004851A1

Автор: Jae-myung Kim, Joa-young Jeong, Jong-Hee Lee, Yong-Mi Yu

Принадлежит: Samsung SDI Co Ltd

A negative active material comprising lithium titanate oxide having an area ratio of a diffraction peak of a (111) plane that appears at 2θ-18.3°±0.4 to a diffraction peak of a (311) plane that appears at 2θ=35.5°±0.4, in an XRD spectrum, in the range of about 2.2:1 to about 5.5:1, a negative electrode comprising the negative active material, a lithium secondary battery comprising the negative electrode, and a method of preparing the negative active material.

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Номер записи: 23

17-01-2013 дата публикации

Method for preparing modified micronized particles

Номер: US20130015398A1

Автор: Gang Liu, Ying Zhang

Принадлежит: Jinneng Science and Technology Co Ltd

The present invention provides a method for preparing modified micronized particles, comprising the steps of carrying out co-precipitation in an aqueous solution at a temperature between the freezing point and the boiling point of the reaction mother liquid to produce a mixed precipitate of micronized particles or precursors thereof and an inorganic precipitate. The method effectively solves the conflict between micronization and surface modification of particles, and resolves the problem that it is difficult to separate micronized particles from the reaction mother liquid.

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Номер записи: 24

31-01-2013 дата публикации

Fluid Filtration Medium

Номер: US20130026103A1

Автор: Ronald L. Coufal, Stephen L. Peterson

Принадлежит: Zeotech Corp

The present application relates to improved filtration of fluids. Particularly, a surfactant-treated zeolite material may be utilized for removing turbid particles from a volume of fluid, such as water.

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Номер записи: 25

28-02-2013 дата публикации

Semi continuous process for the synthesis of a catalyst for use in the manufacture of polyolefins

Номер: US20130053521A1

Автор: Kamlesh Singala, Saurabh Singh, Virendrakumar Gupta

Принадлежит: Reliance Industries Ltd

A semi-continuous process and system thereof, for the synthesis of a narrow particle size distribution Zeigler Natta procatalyst for use in the manufacture of polyolefins. The process comprises: (a) mixing a reaction mixture containing a titanium compound; (b) charging a first reactor with said reaction mixture; (c) removing excess reactants from said first reactor as a filtrate; (d) feeding said filtrate to at least one further reactor; and continuously removing excess reactants from said at least further reactor.

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Номер записи: 26

02-05-2013 дата публикации

Lithium-titanium complex oxide and manufacturing method thereof, as well as battery electrode and lithium ion secondary battery using the same

Номер: US20130108929A1

Автор: Akitoshi Wagawa, Chie Kawamura, Daigo Ito, Isao Takahashi, Masaki Mochigi, Toshimasa Suzuki, Toshiyuki Ochiai, Yoichiro Ogata

Принадлежит: TAIYO YUDEN CO LTD

A lithium-titanium complex oxide, which exhibits high effective capacity and high rate characteristics, has a particle size distribution as measured by the laser diffraction method such that the maximum particle size (D100) is 20 μm or less, average particle size D50 is 1.0 to 1.5 μm, total frequency of particles whose particle size is greater than twice the average particle size D50 is 16 to 25%, and preferably the specific surface area as measured by the BET method is 6 to 14 m 2 /g, and preferably the angle of repose is 35 to 50°.

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Номер записи: 27

06-06-2013 дата публикации

Silica composite particles and method of preparing the same

Номер: US20130143043A1

Автор: Daisuke Tomita, Takeshi Iwanaga, Yoshifumi Iida, Yuka ZENITANI

Принадлежит: Fuji Xerox Co Ltd

Silica composite particles include silicon oxide and titanium in an amount of from 0.001% by weight to 10% by weight, wherein the silica composite particles have an average particle diameter of from 30 nm to 500 nm, a particle size distribution index of from 1.1 to 1.5, and an average degree of circularity of primary particles of from 0.5 to 0.85.

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Номер записи: 28

18-07-2013 дата публикации

Process for obtaining nanocrystalline corundum from natural or synthetic alums

Номер: US20130183527A1

Автор: Joaquín Bastida Cuairán, Maria del Mar Urquila Casas, Pablo Rafael Pardo Ibañez, Rafael Ibanez Puchades

Принадлежит: UNIVERSITAT DE VALENCIA

The present invention relates to a process for obtaining nanocrystalline corundum, characterised in that it comprises a first step of thermal treatment of the raw material used in the process at standard pressure, to a temperature greater than that of the last endothermic accident of the differential thermal analysis record of the raw material, performed to 925° C.; and a second step of fast cooling from the maximum temperature reached in the preceding step to room temperature. Moreover, the present invention relates to the nanocrystalline corundum obtainable from the process described, as well as to multiple uses of said corundum. Furthermore, this material may be disaggregated, for example by means of high-energy grinding, to produce a fine aggregate that may be used as an abrasive or as a functional load in plastic polymers or other types of materials.

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Номер записи: 29

01-08-2013 дата публикации

Process for preparing compacted pigment granules, process for preparing encapsulated pigment granules, and process for dyeing landscaping and/or construction materials

Номер: US20130192007A1

Автор: Martin Chasse, Zachary Gillman

Принадлежит: Martin Chasse, Zachary Gillman

A process for preparing compacted pigment granules, a process for preparing encapsulated pigment granules, and a process for dyeing landscaping and/or construction materials using the same.

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Номер записи: 30

01-08-2013 дата публикации

Process for the preparation of surface-treated calcium carbonate material and use of same in the control of organic material in an aqueous medium

Номер: US20130192784A1

Автор: Daniel Gantenbein, Joachim Schölkopf, Matthias Buri, Patrick A.C. Gane, Samuel Rentsch

Принадлежит: Omya International AG

The present invention relates to a process for the production of a surface-treated calcium carbonate, the use of this surface-treated calcium carbonate in a process for the control of organic material in an aqueous medium, as well as to a composite of surface-treated calcium carbonate and organic material, such as a composite of surface-treated calcium carbonate and to the use of such a composite.

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Номер записи: 31

01-08-2013 дата публикации

Electrophoretic dispersion

Номер: US20130193385A1

Автор: Haiyan Gu, Hui Du, Yu Li

Принадлежит: Sipix Imaging Inc

The present invention is directed to an electrophoretic dispersion comprising charged pigment particles dispersed in a solvent or solvent mixture, wherein the pigment particles have an average aggregation size more than 2 times their primary size. The electrophoretic dispersion of the present invention is capable of improving image bistability through adjusting the aggregation size of the charged pigment particles.

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Номер записи: 32

08-08-2013 дата публикации

Silicon dioxide powder having special surface properties and toner composition containing said powder

Номер: US20130204029A1

Автор: Andreas Hille

Принадлежит: EVONIK DEGUSSA GmbH

The invention relates to silicon dioxide powder which is present in the form of aggregated primary particles having an average diameter of at least 40 nm and a ratio of the BET surface area to the STSA surface area of at least 3.5. The invention also relates to a toner composition containing said silicon dioxide powder.

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Номер записи: 33

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: 34

19-09-2013 дата публикации

Low structure carbon black and method of making same

Номер: US20130244160A1

Автор: Agathagelos Kyrlidis, Andriy Korchev, Geoffrey D. Moeser, James A. Belmont, Jeremy K. Huffman

Принадлежит: Cabot Corp

A carbon black having an I 2 number from 30 mg/g to 200 mg/g and a DBP from 20 cc/100 g to 40 cc/100 g.

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Номер записи: 35

26-09-2013 дата публикации

Process for preparing ceramic powders in the presence of a source of carbon, powders thus obtained and their use

Номер: US20130247863A1

Автор: Abdelbast Guerfi, Karim Zaghib, Michel Armand, Patrick Charest

Принадлежит: HYDRO QUEBEC

A method for preparing ceramic powders in the presence of a carbon powder including a step which consists in homogenizing a mixture of particles capable of resulting in a ceramic by heat treatment. Said method can be carried out in the presence of an accelerated solvent and provides, at reduced energy consumption, carbon-coated ceramic powders and then ceramics.

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Номер записи: 36

26-09-2013 дата публикации

Methods of making titanium diboride powders

Номер: US20130251595A1

Автор: James C. McMillen, Jr.

Принадлежит: Alcoa Inc

The present disclosure is directed towards methods of making titanium diboride products in various sizes. An aspect of the method provides (a) selecting a target average particle size for a target titanium diboride product; (b) selecting at least one processing variable from the group consisting of: an amount of sulfur, an inert gas flow rate, a soak time, and a reaction temperature; (c) selecting a condition of the processing variable based upon the target average particle size; and (d) producing an actual titanium diboride product having an actual average particle size using the at least one processing variable, wherein due to the at least one processing variable, the actual average particle size corresponds to the target average particle size.

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Номер записи: 37

26-09-2013 дата публикации

Dry, Surface-Modified Nanocalcite

Номер: US20130253139A1

Автор: Chad A. Haraldson, Jung-Sheng Wu, Peter D. Condo, William J. Schultz

Принадлежит: 3M Innovative Properties Co

Nanoparticle compositions including calcite and a surface-modifying agent bonded to the calcite are described. The surface-modifying agent includes a binding group bonded to the calcite and a compatiblizing segment. The compatiblizing segment includes at least one of a polyethylene oxide, a polypropylene oxide, a polyester, a polyamide, or a combination thereof. The composition includes less than 2 wt. % solvents and/or resins. Methods of preparing nanoparticle compositions are also described.

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Номер записи: 38

14-11-2013 дата публикации

Silicon-aluminum mixed oxide powder

Номер: US20130303361A1

Автор: Christian Boeing, Christian Schulze Isfort, Horst-Werner Zanthoff, Thomas Quandt

Принадлежит: EVONIK DEGUSSA GmbH

Silicon-aluminum mixed oxide powder having a weight ratio of (Al 2 O 3 /SiO 2 ) ttl in the total primary particle of from 0.003 to 0.05, a weight ratio (Al 2 O 3 /SiO 2 ) surface of the primary particles in a surface layer having a thickness of about 5 nm which is less than in the total primary particle and a BET surface area of from 50 to 250 m 2 /g. It is prepared by igniting one or more silicon compounds selected from the group consisting of CH 3 SiCl 3 , (CH 3 ) 2 SiCl 2 , (CH 3 ) 3 SiCl and (n-C 3 H 7 )SiCl 3 , a hydrolysable and oxidizable aluminum compound, at least one fuel gas and air and burning the flame into a reaction chamber, subsequently separating the solid from gaseous materials and subsequently treating the solid with water vapor. The silicon-aluminum mixed oxide powder can be used as catalyst.

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Номер записи: 39

28-11-2013 дата публикации

Aluminum metallic nanoparticle-polymer nanocomposites for energy storage

Номер: US20130317170A1

Автор: Lisa A. Fredin, Mark A. Ratner, Massimiliano Delferro, Michael T. Lanagan, Tobin J. Marks, Zhong Li

Принадлежит: Northwestern University, PENN STATE RESEARCH FOUNDATION

A nanoparticle composition comprising a substrate comprising aluminum nanoparticles, an Al 2 O 3 component coating said aluminum nanoparticles, and a metallocene catalyst component coupled to the Al 2 O 3 component; and a polyolefin component coupled to said substrate.

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Номер записи: 40

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: 41

19-12-2013 дата публикации

Alumina composite, method for manufacturing alumina composite, and polymer composition containing alumina composite

Номер: US20130338292A1

Автор: Atsushi Odaka, Takayuki Fujita

Принадлежит: Taimei Chemicals Co Ltd

For the purpose of producing an alumina composite in which the integrity between alumina and an inorganic material is further improved, a dispersion liquid preparation step, a solidification step and a burning step are performed, wherein the dispersion liquid preparation step comprises preparing a dispersion liquid in which an inorganic material such as a carbon material is homogeneously dispersed in an alumina raw material solution having an organic additive dissolved therein, the solidification step comprises drying the dispersion liquid to produce a solid raw material, and burning step comprises burning the solid raw material in a non-acidic atmosphere while contacting hydrogen chloride with the solid raw material. In this manner, an alumina composite can be produced, in which at least a portion of an inorganic material such as a carbon material is embedded in the inside of each of α-alumina single crystal particles the constitute alumina particles.

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Номер записи: 42

27-03-2014 дата публикации

Process for producing ferromagnetic particles, anisotropic magnet, bonded magnet and compacted magnet

Номер: US20140085023A1

Автор: Chammika Ruwan Polwatta Gallage, Kaori Kohara, Migaku Takahashi, Naoya Kobayashi, Tomoyuki Ogawa, Yasunobu Ogata

Принадлежит: Toda Kogyo Corp, Tohoku University NUC

The present invention relates to ferromagnetic particles capable of exhibiting a high purity and excellent magnetic properties from the industrial viewpoints and a process for producing the ferromagnetic particles, and also provides an anisotropic magnet, a bonded magnet and a compacted magnet which are obtained by using the ferromagnetic particles. The ferromagnetic particles comprising an Fe 16 N 2 compound phase in an amount of not less than 80% as measured by Mössbauer spectrum and each having an outer shell in which FeO is present in the form of a layer having a thickness of not more than 5 nm according to the present invention can be produced by subjecting aggregated particles of an iron compound as a starting material whose primary particles have a ratio of [(average deviation of major axis lengths of particles)/(average major axis length of particles)] of not more than 50%, U c of not more than 1.55, C g of not less than 0.95, C g 2 of not less than 0.40, an average major axis length of 40 to 5000 nm, and an aspect ratio (major axis diameter/minor axis diameter) of 1 to 200, to dispersing treatment; then subjecting the iron compound particles passed through a mesh screen to reducing treatment at a temperature of 160 to 420° C.; and subjecting the resulting particles to nitridation treatment at a temperature of 130 to 170° C.

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Номер записи: 43

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: 44

06-01-2022 дата публикации

SILICA POWDER, RESIN COMPOSITION, AND DISPERSION

Номер: US20220002165A1

Автор: AOKI Hiroo, Numata Masayuki, SAIKI Keiji, UENO Teppei

Принадлежит:

Provided is silica powder that, when used as a resin filler such as a semiconductor sealant, allows for obtaining a resin composition having excellent gap permeability and low viscosity. The silica powder is such that (1) a cumulative 50% mass diameter Dof a mass-based particle size distribution obtained by a centrifugal sedimentation method is 300 nm to 500 nm (preferably, 330 nm to 400 nm), (2) a loose bulk density is 250 kg/mto 400 kg/m(preferably, 270 kg/mto 350 kg/m), and (3) {(D−D)/D}×100 is 30% to 45%. In a silica production method in which a silicon compound is burned, silica powder can be produced by installing a burner having a concentric multiple pipe structure of three or more pipes in a reactor which has a cooling jacket portion provided around the burner, and adjusting flame combustion conditions and cooling conditions. 1. Silica powder that satisfies all of the following conditions (1) to (3):(1) a cumulative 50% mass diameter D50 of a mass-based particle size distribution obtained by a centrifugal sedimentation method is not less than 300 nm and not more than 500 nm;(2) a loose bulk density is not less than 250 kg/m3 and not more than 400 kg/m3; and(3) {(D90−D50)/D50}×100 is not less than 30% and not more than 45%, wherein D90 is a cumulative 90% mass diameter of the mass-based particle size distribution obtained by the centrifugal sedimentation method.2. The silica powder according to claim 1 , wherein a geometric standard deviation σg of the mass-based particle size distribution obtained by the centrifugal sedimentation method is in a range of not less than 1.25 and not more than 1.40.3. The silica powder according to claim 1 , wherein element contents of iron claim 1 , nickel claim 1 , chromium claim 1 , and aluminum are each less than 1 ppm.4. The silica powder according to claim 1 , wherein ion contents of sodium ions claim 1 , potassium ions claim 1 , and chloride ions which are measured by a hot water extraction method are each less than 1 ppm ...

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Номер записи: 45

02-01-2020 дата публикации

Particles having a sinterable core and a polymeric coating, use thereof, and additive manufacturing method using the same

Номер: US20200001359A1

Автор: Åsa Ahlin, Ragnar FERRAND DRAKE DEL CASTILLO, Sofia NILSSON

Принадлежит: HOGANAS AB

Particles each having a sinterable core and a polymeric coating on at least a part of the core, wherein the polymeric coating includes a polymer that can be removed via decomposition by heat, catalytically or by solvent treatment, and wherein the polymeric coating is present in an amount of 0.10 to 3.00% by weight, relative to the total weight of the particles, as well as the use of these particles in an additive manufacturing process such as a powder bed and inkjet head 3D printing process. The particles and the process are able to provide a green part having improved strength and are thus suitable for the production of delicate structures which require a high green strength in order to minimize the risk of structural damage during green part handling.

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Номер записи: 46

07-01-2016 дата публикации

NANO-DIAMOND DISPERSION SOLUTION AND METHOD FOR PREPARING SAME

Номер: US20160002050A1

Автор: Lee Jung Suk, Lee Kyu Tae, PARK Tae Hee

Принадлежит:

The present invention relates to a nano-diamond dispersion solution and a method of preparing the same. The method of preparing a nano-diamond dispersion solution comprises the following steps: providing a nano-diamond aggregation; mixing the nano-diamond aggregation with a metal hydroxide solution and stirring the mixture such that the nano-diamond aggregation is separated, to obtain a mixture solution; stabilizing the mixture solution such that the mixture solution is separated into a supernatant and precipitates; and extracting the supernatant and precipitates. 2. The nano-diamond dispersion of claim 1 , wherein the nano-diamond particles have an average particle diameter of from about 9 nm to about 90 nm.3. The nano-diamond dispersion of claim 1 , wherein the nano-diamond particles include a metal ion and a functional group chemically bonded to a surface thereof.4. The nano-diamond dispersion of claim 1 , wherein the nano-diamond particles further comprise a metal hydroxide adsorbed on a surface thereof.5. The nano-diamond dispersion of claim 1 , wherein the dispersion solvent comprises at least one of water claim 1 , distilled water claim 1 , alcohol claim 1 , oil claim 1 , an organic solvent claim 1 , hydrogen peroxide claim 1 , ammonia water claim 1 , toluene claim 1 , xylene claim 1 , ethylene glycol claim 1 , methylethylketone (MEK) claim 1 , and n-methyl pyrrolidone (NMP).6. A sealing agent comprising a nano-diamond dispersion of .7. The sealing agent of claim 6 , wherein the nano-diamond particles have an average particle diameter of from about 9 nm to about 90 nm.8. The sealing agent of claim 6 , wherein the nano-diamond particles include a metal ion and a functional group chemically bonded to a surface thereof.9. The sealing agent of claim 6 , wherein the nano-diamond particles further comprise a metal hydroxide adsorbed on a surface thereof.10. A polishing agent comprising a nano-diamond dispersion of .11. An oil additive comprising a nano-diamond ...

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Номер записи: 47

05-01-2017 дата публикации

SILICA PARTICLES, MANUFACTURING METHOD FOR THE SAME, AND SILICA SOL

Номер: US20170001870A1

Автор: KIKUNAGA Ichitaro, UMEDA Ai, YOSHITAKE Keiko

Принадлежит:

The invention provides silica particles, formed from an alkoxysilane serving as a raw material, characterized in that the silica particles satisfy the following requirements (a) to (c): (a) the silica particles have an alkali metal element content of 5 ppm or less, with respect to the silica solid content; (b) the silica particles exhibit a moisture absorption of 0.25 mg/mor less at 50% relative humidity, and a refractive index, as determined through the liquid immersion method, of 1.450 to 1.460; and (c) the silica particles have a mean primary particle size, derived from a specific surface area as determined through the nitrogen adsorption method, of 10 to 100 nm. 1. Silica particles , formed from an alkoxysilane serving as a raw material , wherein the silica particles satisfy the following requirements (a) to (c):(a) the silica particles have an alkali metal element content of 5 ppm or less, with respect to the silica solid content;{'sup': '2', '(b) the silica particles exhibit a moisture absorption of 0.25 mg/mor less at 50% relative humidity, and a refractive index, as determined through the liquid immersion method, of 1.450 to 1.460; and'}(c) the silica particles have a mean primary particle size, derived from a specific surface area as determined through the nitrogen adsorption method, of 10 to 100 nm.2. Silica particles according to claim 1 , wherein the silica particles have an aspect ratio claim 1 , as determined from a transmission electron microscopic photoimage claim 1 , of 1.0 to 2.0.3. A method for producing silica particles claim 1 , wherein the method comprising the following steps (A) and (B):(A) a step of hydrolyzing an alkoxysilane in the co-presence of at least one base selected from the group consisting of ammonia, a primary amine, a secondary amine, and a cyclic tertiary amine, to thereby form an aqueous dispersion of silica particles having a mean primary particle size, derived from a specific surface area as determined through the nitrogen ...

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Номер записи: 48

04-01-2018 дата публикации

Nickel oxide micropowder and method for producing same

Номер: US20180002192A1

Автор: Norimichi Yonesato, Tai Ito

Принадлежит: SUMITOMO METAL MINING CO LTD

Disclosed herein are a nickel oxide fine powder that is suitable as a material for electronic parts and has a controlled sulfur content, a low chlorine content, and a fine particle size and a method for industrially and stably producing such a nickel oxide fine powder. Nickel hydroxide obtained by neutralizing an aqueous nickel sulfate solution with an alkali is heat-treated in a non-reducing atmosphere at a temperature higher than 650° C. but lower than 1050° C. to form nickel oxide particles, and a sintered compact of nickel oxide particles that may be formed during the heat treatment is pulverized by preferably allowing the nickel oxide particles to collide with one another. The thus obtained nickel oxide fine powder has a sulfur content of 400 mass ppm or less, a chlorine content of 50 mass ppm or less, a sodium content of 100 mass ppm or less, and a specific surface area of 3 m 2 /g or more but less than 6 m 2 /g.

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Номер записи: 49

02-01-2020 дата публикации

Carbon Powders And Methods Of Making Same

Номер: US20200002169A1

Автор: Basel Richard, Clark Richard, Goshe Andrew, Miller Douglas

Принадлежит:

A method for producing carbon powder having a defined carbon particle size distribution comprises the steps of:—a) selecting a carbon precursor powder of a defined precursor particle size distribution, the carbon precursor powder consisting of or comprising particles of one or more meltable carbon precursors; b) treating the carbon precursor powder to round at least some of the particles of the carbon precursor and thereby produce a rounded carbon precursor; and c) carbonizing the rounded carbon precursor; wherein the defined precursor particle size distribution is such that on carbonization the powder of defined carbon particle size distribution is produced. 1. A method for producing carbon powder having a defined carbon particle size distribution comprising the steps of:a) selecting a carbon precursor powder of a defined precursor particle size distribution, the carbon precursor powder consisting of or comprising particles of one or more meltable carbon precursors;b) treating the carbon precursor powder to round at least some of the particles of the carbon precursor and thereby produce a rounded carbon precursor; andc) carbonizing the rounded carbon precursor;wherein the defined precursor particle size distribution is such that on carbonization the powder of defined carbon particle size distribution is produced.2. A method as in claim 1 , in which the step of providing a carbon precursor powder of a defined precursor particle size distribution comprises the steps of:—a) providing a first carbon precursor powder of a first defined particle size distribution; andb) selecting from the carbon precursor powder, particles of a second size distribution narrower than the first particle size distribution to produce the carbon precursor powder of a defined precursor particle size distribution.36.-. (canceled)7. A method as in claim 1 , in which the step of treating the carbon precursor powder to round at least some of the particles comprises at least one step of at least ...

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Номер записи: 50

03-01-2019 дата публикации

MAGNESIUM PHOSPHATE HYDROGELS

Номер: US20190002282A1

Автор: ABDALLAH Mohamed-Nur, AL SUBAIE Ahmed Ebraheem, AL-HASHEDI Ashwaq Ali, LAURENTI Marco, TAMIMI MARINO Faleh, TAMIMI MARINO Iskandar

Принадлежит: The Royal Institute for the Advancement of Learning/McGill University

A hydrogel comprising a colloidal suspension of MMPtwo-dimensional nanocrystals in water, wherein Mis Na and/or Li, Mis Mg or a mixture of Mg with one or more Ni, Zn, Cu, Fe and/or Mn, P is a mixture of dibasic phosphate ions (HPO) and tribasic phosphate ions (PO), X ranges from about 0.43 to about 0.63, Y ranges from about 0.10 to about 0.18, Z ranges from about 0.29 to about 0.48, X, Y, Z being mole fractions, is provided. 1. A hydrogel comprising a colloidal suspension of MMPtwo-dimensional nanocrystals in water , wherein:{'sup': I', '+', '+, 'Mis Na and/or Li,'}{'sup': II', '2+', '2+', '2+', '2+', '2+', '2+', '2+, 'Mis Mg or a mixture of Mg with one or more Ni, Zn, Cu, Fe and/or Mn,'}{'sub': 4', '4, 'sup': 2−', '3−, 'P is a mixture of dibasic phosphate ions (HPO) and tribasic phosphate ions (PO),'}X ranges from about 0.43 to about 0.63,Y ranges from about 0.10 to about 0.18, andZ ranges from about 0.29 to about 0.48,X, Y, Z being mole fractions.2. The hydrogel of claim 1 , wherein X ranges from about 0.50 to about 0.58.3. The hydrogel of claim 1 , wherein Y ranges from about 0.13 to about 0.16.4. The hydrogel of claim 1 , wherein Z ranges from about 0.34 to about 0.37.56-. (canceled)7. The hydrogel of claim 1 , wherein Mis a mixture of Na and Li.8. The hydrogel of claim 1 , wherein Mis Mg.9. The hydrogel of claim 1 , wherein Mis a mixture of Mg and one or more Ni claim 1 , Zn claim 1 , Cu claim 1 , Fe and/or Mn.10. The hydrogel of claim 1 , wherein Mis a mixture of Mg and Fe.1113-. (canceled)14. The hydrogel of claim 1 , wherein Mis Na claim 1 , Mis Mg claim 1 , X is 0.53 claim 1 , Y is 0.13 claim 1 , and Z is 0.34.1518-. (canceled)19. The hydrogel of claim 1 , having a pH between about 9 and about 11.20. The hydrogel of claim 1 , comprising between about 5% and about 15% by weight of MMP claim 1 , based on the total weight of the gel.21. The hydrogel of claim 1 , comprising between about 85% and about 95% of water by weight based on the total weight of the gel. ...

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Номер записи: 51

03-01-2019 дата публикации

Synthesis of fibrous nano-silica spheres with controlled particle size, fibre density, and various textural properties

Номер: US20190002297A1

Автор: Ayan Maity, Baljeet Singh, Nisha BAYAL, Rustam SINGH, Vivek Polshettiwar

Принадлежит: TATA INSTITUTE OF FUNDAMENTAL RESEARCH

The present disclosure provides a method for synthesizing fibrous silica nanospheres, the method can include, in sequence, the steps of: a) providing a reaction mixture comprising a silica precursor, a hydrolyzing agent, a template molecule, a cosurfactant and one or more solvents; b) maintaining the reaction mixture under stirring for a length of time; c) heating the reaction mixture to a temperature for a length of time; d) cooling the reaction mixture to obtain a solid, and (e) calcinating the solid to pro duce fibrous silica nanospheres, wherein desirable product characteristics such as particle size, fiber density, surface area, pore volume and pore size can be obtained by controlling one or more parameters of the method. The present disclosure further provides a method for synthesizing fibrous silica nanospheres using conventional heating such as refluxing the reactants in an open reactor, thereby eliminating the need for microwave heating in a closed reactor or the need for any pressure reactors.

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Номер записи: 52

03-01-2019 дата публикации

MOLECULAR SIEVE SSZ-91, METHODS FOR PREPARING SSZ-91, AND USES FOR SSZ-91

Номер: US20190002299A1

Автор: Lei Guan-Dao, Ojo Adeola Florence, Xie Dan, Zhang Yihua

Принадлежит:

A family of new crystalline molecular sieves designated SSZ-91 is disclosed, as are methods for making SSZ-91 and uses for SSZ-91. Molecular sieve SSZ-91 is structurally similar to sieves falling within the ZSM-48 family of molecular sieves, and is characterized as: (1) having a low degree of faulting, (2) a low aspect ratio that inhibits hydrocracking as compared to conventional ZSM-48 materials having an aspect ratio of greater than 8, and (3) is substantially phase pure. 1. A molecular sieve belonging to the ZSM-48 family of zeolites , wherein the molecular sieve comprises:a silicon oxide to aluminum oxide mole ratio of 40 to 200,at least 70% polytype 6 of the total ZSM-48-type material present in the product, andan additional EUO-type molecular sieve phase in an amount of between 0 and 3.5 percent by weight of the total product; andwherein the molecular sieve has a morphology characterized as polycrystalline aggregates comprising crystallites collectively having an average aspect ratio of between 1 and 8.3. The molecular sieve of or , wherein the molecular sieve has a silicon oxide to aluminum oxide mole ratio of 70 to 160.4. The molecular sieve of any of - , wherein the molecular sieve has a silicon oxide to aluminum oxide mole ratio of 80 to 140.5. The molecular sieve of any of - , wherein the molecular sieve comprises at least 80% polytype 6 of the total ZSM-48-type material present in the product.6. The molecular sieve of any of - , wherein the molecular sieve comprises between 0.1 and 2 wt. % EU-1.7. The molecular sieve of any of - , wherein the crystallites collectively have an average aspect ratio of between 1 and 5.8. The molecular sieve of any of - , wherein the molecular sieve comprises at least 90% polytype 6 of the total ZSM-48-type material present in the product.9. The molecular sieve of any of - , wherein the crystallites collectively have an average aspect ratio of between 1 and 3.10. A method of preparing a molecular sieve according to any of - ...

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Номер записи: 53

03-01-2019 дата публикации

Ultra Fine Milk of Lime Composition

Номер: US20190002301A1

Автор: Diaz Chavez Luis Alfredo, Gartner Robert Sebastian

Принадлежит: S. A. Lhoist Recherche et Developpement

A composition of milk of lime comprising particles of slaked lime suspended in an aqueous phase, characterised in that said particles of slaked lime have a particle size described by a particle size distribution profile that is narrow and monomodal and the method of production thereof. 17-. (canceled)8: A method for the production of milk of lime having high reactivity , comprising the following consecutive steps of:a. the slaking of quicklime by applying a proportion of quicklime relative to water greater than 1 to 8, and less than 1 to 3 so as to form a lime suspension,b. particle size cutting of said lime suspension, possibly diluted, with the obtaining of at least one coarse first fraction to be ground and one fine second fractionc. particle size reduction by wet ball grinding of said at least one coarse first fraction to be ground andd. obtaining of said high reactivity milk of lime, possibly after dilution.9: The method according to claim 8 , wherein said particle size reduction by ball grinding is carried out in a ball mill containing grinding balls which are less than 1.4 mm in size.10: The method according to claim 8 , wherein said particle size cutting comprises a screening by size on a vibrating sieve with mesh size of 250 μm claim 8 , and wherein said coarse first fraction to be ground is the fraction passing through the screen with mesh size of 250 μm claim 8 , and said fine second fraction is the retained fraction essentially consisting of inert particles or impurities to be removed.11: The method according to claim 8 , wherein said particle size cutting comprises of a double screening by size on a first vibrating screen with mesh size of 250 μm claim 8 , and on a second vibrating screen with mesh size less than or equal to 100 μm claim 8 , with the obtaining of a coarse first fraction to be ground claim 8 , of a fine second fraction and a third fraction claim 8 , wherein said coarse first fraction to be ground is the fraction passing through the ...

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Номер записи: 54

05-01-2017 дата публикации

ABRASIVE PARTICLES, POLISHING SLURRY AND METHOD OF FABRICATING ABRASIVE PARTICLES

Номер: US20170002233A1

Автор: Park Jin Hyung

Принадлежит:

The present disclosure relates to abrasive particles, a polishing slurry and a fabricating method of the abrasive particles. The fabricating method of abrasive particles in accordance with an exemplary embodiment of the present disclosure includes preparing a precursor solution in which a first precursor is mixed with a second precursor that is different from the first precursor, preparing a basic solution, mixing the basic solution with the precursor solution and_forming a precipitate, and washing abrasive particles synthesized by precipitation. 1. A method of fabricating abrasive particles , the method comprising:preparing a precursor solution in which a first precursor is mixed with a second precursor that is different from the first precursor;preparing a basic solution;mixing the basic solution with the precursor solution and forming a precipitate; andwashing abrasive particles synthesized by precipitation.2. The method of claim 1 , wherein the first precursor comprises an organic salt containing a cerium (III) claim 1 , and the second precursor comprises an inorganic salt containing the cerium (III).3. The method of claim 2 , wherein the second precursor comprises a halogen group element.4. The method of claim 1 , wherein preparing the precursor solution comprises:mixing the first precursor with water to prepare a first precursor solution;mixing the second precursor with water to prepare a second precursor solution; andmixing the first precursor solution with the second precursor solution.5. The method of claim 4 , wherein the first precursor solution is a solution having a pH value lower than that of the second precursor solution.6. The method of claim 4 , wherein preparing the precursor solution further comprises adding an acidic material to the second precursor solution prior to mixing the first precursor solution with the second precursor solution.7. The method of claim 4 , wherein mixing the first precursor solution with the second precursor solution ...

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Номер записи: 55

07-01-2021 дата публикации

DISPERSION LIQUID OF SILICA PARTICLES, POLISHING COMPOSITION, AND METHOD FOR PRODUCING DISPERSION LIQUID OF SILICA PARTICLES

Номер: US20210002513A1

Автор: Egami Miki, Komatsu Michio, KUMAZAWA Mitsuaki, MURAGUCHI Ryo

Принадлежит: JGC CATALYSTS AND CHEMICALS LTD.

A polishing composition that can not only achieve high polishing speed, but also can improve the surface smoothness (surface quality) of a polished substrate and reduce defects is provided. That is, provided is a polishing composition comprising silica particles and a water soluble polymer, wherein the contained silica particles satisfy the following requirements (a) to (c): (a) the primary particle diameter based on the specific surface area is 5 to 300 nm; (b) the coefficient of variation in the particle diameter is 10% or less; and (c) the Sears number Y is 10.0 to 12.0. 1. A dispersion liquid of silica particles , containing silica particles satisfying the following requirements (a) to (c):(a) a primary particle diameter calculated based on a specific surface area determined by a BET method using nitrogen adsorption is 5 to 300 nm;(b) a coefficient of variation in a particle diameter is 10% or less; and(c) a Sears number Y is 10.0 to 12.0.2. The dispersion liquid of silica particles according to claim 1 , wherein the silica particles have a Sears number y calculated for one particle in a range of (2.92×10×d−7.10×10)≤y≤(2.92×10×d−6.10×10){'sup': '2', '(wherein d is a primary particle diameter [nm] calculated based on a specific surface area (SA [m/g]) determined by a BET method using nitrogen adsorption).'}3. The dispersion liquid of silica particles according to claim 1 , wherein the silica particles have a density by a pycnometer method of 1.80 g/cmor more.4. A polishing composition comprising silica particles and a water soluble polymer claim 1 , wherein the silica particles satisfy the following requirements (a) to (c):(a) a primary particle diameter calculated based on a specific surface area determined by a BET method using nitrogen adsorption is 5 to 300 nm;(b) a coefficient of variation in a particle diameter is 10% or less; and(c) a Sears number Y is 10.0 to 12.0.5. The polishing composition according to claim 4 , wherein the water soluble polymer is ...

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Номер записи: 56

03-01-2019 дата публикации

Sustainable Oxygen Carriers for Chemical Looping Combustion with Oxygen Uncoupling and Methods for Their Manufacture

Номер: US20190003704A1

Автор: Anita Skulimowska, Asunción ARANDA

Принадлежит: Institutt for Energiteknikk IFE

An oxygen carrier (OC) for use in Chemical Looping technology with Oxygen Uncoupling (CLOU) for the combustion of carbonaceous fuels, in which commercial grade metal oxides selected from the group consisting of Cu, Mn, and Co oxides and mixtures thereof constitute a primary oxygen carrier component. The oxygen carrier contains, at least, a secondary oxygen carrier component which is comprised by low-value industrial materials which already contain metal oxides selected from the group consisting of Cu, Mn, Co, Fe, Ni oxides or mixtures thereof. The secondary oxygen carrier component has a minimum oxygen carrying capacity of 1 g of O2 per 100 g material in chemical looping reactions. Methods for the manufacture of the OC are also disclosed.

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Номер записи: 57

04-01-2018 дата публикации

FLEXIBLE CONDUCTING COVER GLASS REPLACEMENT FOR SATELLITE SOLAR PANELS

Номер: US20180006177A1

Автор: Clift Phillip, Payton Tyler, Wladyka Jordan

Принадлежит:

A composition for covering satellite solar panels includes an encapsulating resin, a conductive nano-network, and fused silica/quartz beads. A coverglass for a satellite solar panel includes such a composition. A method for producing the composition includes the steps of mixing an encapsulating resin, a conductive nano-network, and fused silica/quartz beads at a specific ratio, so that the ratio maximizes the inherent properties; and tape casting the mixture to create the composition. 1. A composition for covering satellite solar panels , comprising: an encapsulating resin , a conductive nano-network , and glass beads.2. The composition of claim 1 , wherein the encapsulating resin optionally includes a low-out gassing polymer claim 1 , or an encapsulating silicone polymer claim 1 , or both.3. The composition of claim 2 , further comprising glass beads for reduction of internal light scattering.4. The composition of claim 3 , wherein the glass beads comprise silica/quartz or an engineered ceramic.5. The composition of claim 1 , wherein the glass beads are configured to promote the transmission of light and block or absorb cosmic and gamma radiation.6. The composition of claim 1 , wherein the glass beads comprise a size from about 5 microns to about 50 microns7. The composition of claim 1 , wherein the glass beads are mixed at a weight ratio of 0.9:1 of beads to resin or a weight ratio of 2:1 of beads to resin.8. The composition of claim 1 , further comprising a shear thinning agent.9. The composition of claim 1 , wherein the conductive nano-network comprises two different nanocrystals.10. The composition of claim 9 , comprising a range of 1-6 wt % of ZnO nanocrystals.11. The composition of claim 9 , wherein the two different nanocrystals comprise zinc oxide agglomerates and zinc oxide tetrapods.12. The composition of claim 11 , wherein the zinc oxide agglomerates comprise a mixture of one or more of zinc acetate dihydrate claim 11 , zinc chloride claim 11 , zinc ...

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Номер записи: 58

20-01-2022 дата публикации

Functionalized Enzyme-Powered Nanomotors

Номер: US20220016223A1

Автор: Ana Candida LOPES HORTELÃO, Samuel SAÑCHEZ ORDOÑEZ, Tania PATIÑO PADIAL

Принадлежит: Fundacio Institut de Bioenginyeria de Catalunya IBEC, Institucio Catalana de Recerca i Estudis Avancats ICREA

The present invention provides an enzyme-powered nanomotor, comprising a particle with a surface, an enzyme, and a heterologous molecule; characterized in that the enzyme and the heterologous molecule are discontinuously attached over the whole surface of the particle. The invention also provides the nanomotor for use in therapy, diagnosis and prognosis, in particular, for the treatment of cancer. Additionally, the invention provides the use of the nanomotor for detecting an analyte in an isolated sample.

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Номер записи: 59

07-01-2021 дата публикации

Method for Preparing Positive Electrode Active Material for Secondary Battery

Номер: US20210005878A1

Автор: Eun Hee Lee, Seong Bae Kim, Yi Rang Lim, Young Su Park

Принадлежит: LG Chem Ltd

A method for preparing a positive electrode active material for a secondary battery includes the steps of: providing a positive electrode active material precursor including a core portion and a shell portion, wherein the core portion contains nickel (Ni), cobalt (Co), and manganese (Mn), and the shell portion contains cobalt (Co) and surrounds the core portion; and forming a lithium composite transition metal oxide in a single particle form by mixing the positive electrode active material precursor with a lithium raw material to obtain a mixture, and firing the mixture at a temperature of 970° C. or more.

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Номер записи: 60

07-01-2021 дата публикации

Positive electrode materials having a superior hardness strength

Номер: US20210005891A1

Автор: Blangero Maxime, CHO WooRam, Choi Da-In, Kim JiHye

Принадлежит:

A powderous positive electrode material for a lithium secondary battery has the general formula Li[NiMM′M″]O. M is one or more elements of the group Mn, Zr and Ti. M′ is one or more elements of the group Al, B and Co. M″ is a dopant different from M and M′, and x, a, b and c are expressed in mol with −0.02≤x≤0.02, 0≤c≤0.05, 0.10≤(a+b)≤0.65 and 0≤z≤0.05. The material has an unconstrained cumulative volume particle size distribution value (Γ(D10)), a cumulative volume particle size distribution value after having been pressed at a pressure of 200 MPa (Γ(D10)) and a cumulative volume particle size distribution value after having been pressed at a pressure of 300 MPa (Γ(D10)). When Γ(D10) is compared to Γ(D10), the relative increase in value is less than 100%. When Γ(D10) is compared to Γ(D10), the relative increase in value is less than 120%. 1. A powderous positive electrode material for a lithium secondary battery , the material having the general formula Li[NiMM′M″]O;M being either one or more elements of the group Mn, Zr and Ti,M′ being either one or more elements of the group Al, B and Co,M″ being a dopant different from M and M′,x, a, b and c being expressed in mol with −0.02≤x≤0.02, 0≤c≤0.05, 0.10≤(a+b)≤0.65 and 0≤z≤0.05;{'sup': 0', 'P', 'P, 'sub': P=0', 'P=200', 'P=300, 'wherein the material has an unconstrained cumulative volume particle size distribution value (Γ(D10)), a cumulative volume particle size distribution value after having been pressed at a pressure of 200 MPa (Γ(D10)) and a cumulative volume particle size distribution value after having been pressed at a pressure of 300 MPa (Γ(D10)),'}{'sup': P', '0, 'sub': P=200', 'P=0, 'wherein when Γ(D10) is compared to Γ(D10), the relative increase in value is less than 100%,'}{'sup': P', '0, 'sub': P=300', 'P=0, 'wherein when Γ(D10) is compared to Γ(D10), the relative increase in value is less than 120%,'}{'sup': 3+', '3+, 'sub': 'max', 'wherein the material has a molar amount of Ni that equals 1−2a−b, and ...

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Номер записи: 61

20-01-2022 дата публикации

METHOD FOR PRODUCING TRANSPARENT CERAMICS

Номер: US20220017377A1

Автор: TANAKA Keita

Принадлежит:

A method produces transparent ceramics having high transmittance and no bubble defects with uniform insertion loss over the entire inner surface thereof. The method comprising the steps of: 1. A method for producing transparent ceramics , comprising the steps of:obtaining a candidate composition containing a binder, optionally a dispersant, and optionally a plasticizer;dissolving the candidate composition in a solvent, then reducing a contained solvent volume to 0.1% by mass or less, and measuring a glass transition temperature;selecting a candidate composition having a glass transition temperature of 25° C. or more and 60° C. or less as an organic additive composition;preparing the organic additive composition containing the binder, optionally the dispersant, and optionally the plasticizer, and having the composition obtained in the selecting step;pulverizing a raw material for sintering formed from metal oxide powder and the organic additive composition to obtain a pulverized mixture;granulating the pulverized mixture;sintering the granulated mixture to obtain a sintered body; andpressurizing the sintered body.2. The method according to claim 1 , wherein in the selecting step claim 1 , the glass transition temperature is 30° C. or more and 55° C. or less.3. The method according to claim 1 , wherein the binder comprises a copolymer containing one or more repeating units selected from vinyl acetate claim 1 , vinyl alcohol claim 1 , and vinyl butyral.4. The method according to claim 1 , wherein the dispersant is selected from a polyoxyethylene alkyl ether-based dispersant.5. The method according to claim 1 , wherein the plasticizer is one or more selected from glycerin claim 1 , polyethylene glycol claim 1 , and triethylene glycol.6. The method according to claim 1 , wherein the transparent ceramics are for optical use. The present application claims the benefit of and priority to Japanese Patent Application No. 2020-121496 filed Jul. 15, 2020, the disclosure of ...

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Номер записи: 62

03-01-2019 дата публикации

Positive-electrode active material precursor for nonaqueous electrolyte secondary battery, positive-electrode active material for nonaqueous electrolyte secondary battery, method for manufacturing positive-electrode active material precursor for nonaqueous electrolyte secondary battery, and method for manufacturing positive-electrode active material for nonaqueous electrolyte secondary battery

Номер: US20190006671A1

Автор: Kikoo Uekusa, Masao Wakabayashi, Satoshi Matsumoto

Принадлежит: SUMITOMO METAL MINING CO LTD

A positive-electrode active material precursor for a nonaqueous electrolyte secondary battery is provided that includes a nickel-cobalt-manganese carbonate composite represented by general formula NixCoyMnzMtCO3 (where x+y+z+t=1, 0.05≤x≤0.3, 0.1≤y≤0.4, 0.55≤z≤0.8, 0≤t≤0.1, and M denotes at least one additional element selected from a group consisting of Mg, Ca, Al, Ti, V, Cr, Zr, Nb, Mo, and W) and a hydrogen-containing functional group, wherein H/Me representing the ratio of the amount of hydrogen to the amount of metal components Me included in the positive-electrode active material precursor is greater than or equal to 1.60.

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Номер записи: 63

02-01-2020 дата публикации

LITHIUM TITANATE POWDER FOR ELECTRODE OF ENERGY STORAGE DEVICE, ACTIVE MATERIAL, AND ELECTRODE SHEET AND ENERGY STORAGE DEVICE USING THE SAME

Номер: US20200006761A1

Автор: FUJINO Hiroshi, HASHIMOTO Chisen, Miyoshi Kazuhiro, Takemoto Hirofumi

Принадлежит: UBE INDUSTRIES, LTD.

An object of the present invention is to provide a lithium titanate powder and an active material which, in the case of being applied as an electrode material of an energy storage device, can suppress the gas generation at high temperatures and the capacity reduction in high-temperature charge and discharge cycles and besides can also suppress the resistance rise in the high-temperature charge and discharge cycles, an electrode sheet, of an energy storage device, containing these, and an energy storage device using the electrode sheet. The lithium titanate powder contains LiTiOas a main component, wherein the powder contains secondary particles being aggregates of primary particles composed of lithium titanate, and has a Dof 0.03 μm or more and 0.6 μm or less and a D50 of 3 μm or more and 40 μm or less where the Drepresents a specific surface area-equivalent diameter calculated from a specific surface area determined by a BET method, and the D50 represents a median particle diameter in volume, a ratio D50/D(μm/μm) of D50 to Dof 20 or more and 350 or less, a moisture amount (25° C. to 350° C.) of 600 ppm or less as measured by Karl Fischer's method, and an average 10%-compressive strength of the secondary particles of 0.1 MPa or more and 3 MPa or less. 1. A lithium titanate powder , comprising LiTiOas a main component ,wherein the lithium titanate powder comprises secondary particles being aggregates of primary particles composed of lithium titanate; and{'sub': BET', 'BET, 'the lithium titanate powder has: a Dof 0.03 μm or more and 0.6 μm or less and a D50 of 3 μm or more and 40 μm or less where the Drepresents a specific surface area-equivalent diameter calculated from a specific surface area determined by a BET method, and the D50 represents a median particle diameter in volume;'}{'sub': BET', 'BET, 'a ratio D50/D(μm/μm) of D50 to Dof 20 or more and 350 or less;'}a moisture amount (25° C. to 350° C.) of 600 ppm or less as measured by Karl Fischer's method; andan ...

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Номер записи: 64

02-01-2020 дата публикации

TRANSITION METAL COMPOSITE HYDROXIDE PARTICLES AND PRODUCTION METHOD THEREOF, CATHODE ACTIVE MATERIAL FOR NON-AQUEOUS ELECTROLYTE RECHARGEABLE BATTERY AND PRODUCTION METHOD THEREOF, AND NONAQUEOUS ELECTROLYTE RECHARGEABLE BATTERY

Номер: US20200006770A1

Автор: Aida Taira, Kamata Yasutaka, Toya Hiroyuki

Принадлежит:

Provided is a cathode active material that can simultaneously improve the capacity characteristics, output characteristics, and cycling characteristics of a rechargeable battery when used as cathode material for a non-aqueous electrolyte rechargeable battery. After performing nucleation by controlling an aqueous solution for nucleation that includes a metal compound that includes at least a transition metal and an ammonium ion donor so that the pH value becomes 12.0 to 14.0 (nucleation process), nuclei are caused to grow by controlling aqueous solution for particle growth that includes the nuclei so that the pH value is less than in the nucleation process and is 10.5 to 12.0 (particle growth process). When doing this, the reaction atmosphere in the nucleation process and at the beginning of the particle growth process is a non-oxidizing atmosphere, and in the particle growth process, atmosphere control by which the reaction atmosphere is switched from this non-oxidizing atmosphere to an oxidizing atmosphere, and is then switched again to a non-oxidizing atmosphere is performed at least one time. Cathode active material is obtained with the composite hydroxide particles that are obtained by this kind of crystallization reaction as a precursor. 1. A production method for producing transition metal composite hydroxide particles by a crystallization reaction to be a precursor for a cathode active material for a non-aqueous electrolyte rechargeable battery , comprising:a nucleation process for performing nucleation by controlling an aqueous solution for nucleation that includes a metal compound that includes at least a transition metal and an ammonium ion donor so that the pH value at a standard liquid temperature of 25° C. becomes 12.0 to 14.0; anda particle growth process for causing nuclei to grow by controlling an aqueous solution for particle growth that includes the nuclei that were obtained in the nucleation process so that the pH value is less than in the ...

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Номер записи: 65

08-01-2015 дата публикации

ACTIVE MATERIAL FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERY, METHOD FOR MANUFACTURING ACTIVE MATERIAL, ELECTRODE FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERY, AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY

Номер: US20150008364A1

Автор: Endo Daisuke

Принадлежит:

An active material for a nonaqueous electrolyte secondary battery includes a lithium transition metal composite oxide which has an α-NaFeO-type crystal structure, is represented by the compositional formula LiMeO(Me is a transition metal element containing Mn, Ni and Co; and 0<α<1) and satisfies the requirement of 1.250≦(1+α)/(1−α)≦1.425. The half-width of a diffraction peak at 2θ=18.6°±1° is 0.20° to 0.27° and/or the half-width of a diffraction peak at 2θ=44.1°±1° is 0.26° to 0.39° in X-ray diffraction measurement using a CuKα radiation. The lithium transition metal composite oxide is observed as a single phase indexed a hexagonal crystal (space group R3-m) on the X-ray diffraction patterns when electrochemically oxidized to a potential of 5.0 V (vs. Li/Li). 1. An active material for a nonaqueous electrolyte secondary battery , the active material comprising a lithium transition metal composite oxide which has an α-NaFeO-type crystal structure , is represented by a compositional formula LiMeO(Me is a transition metal element containing Mn , Ni and Co; and 0<α<1) and satisfies a requirement of 1.250≦(1+α)/(1−α)≦1.425 ,{'sup': '+', 'wherein a half-width of a diffraction peak at 2θ=18.6°±1° is 0.20° to 0.27° and/or a half-width of a diffraction peak at 2θ=44.1°±1° is 0.26° to 0.39° on X-ray diffraction patterns using a CuKα radiation, and the lithium transition metal composite oxide is observed as a single phase indexed a hexagonal crystal (space group R3-m) on the X-ray diffraction patterns when electrochemically oxidized to a potential of 5.0 V (vs. Li/Li).'}2. The active material for a nonaqueous electrolyte secondary battery according to claim 1 , wherein the half-width of a diffraction peak at 2θ=18.6°±1° is 0.208° to 0.247° and/or the half-width of a diffraction peak at 2θ=44.1°±1° is 0.266° to 0.335° on X-ray diffraction patterns using a CuKα radiation.3. The active material for a nonaqueous electrolyte secondary battery according to claim 2 , wherein the 50% ...

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Номер записи: 66

02-01-2020 дата публикации

SULFIDE SOLID ELECTROLYTE PARTICLES

Номер: US20200006808A1

Автор: KIMPARA Hironari, Sato Atsushi, Terai Kota, Tsuno Toshiaki, UTSUNO Futoshi

Принадлежит: IDEMITSU KOSAN CO.,LTD.

A sulfide solid electrolyte particles comprising lithium, phosphorus and sulfur, having a volume-based average particle size measured by laser diffraction particle size distribution measurement of 0.1 μm or more and 10 μm or less, having a diffraction peak having 2θ ranging from 29.0 to 31.0 deg in powder X-ray diffraction measurement using CuKα ray, and an intensity ratio (Ib/Ip) of a peak intensity Ip of the diffraction peak to a diffraction intensity Ib at a high angle-side low part of the diffraction peak is less than 0.09. 1. Sulfide solid electrolyte particles , comprising lithium , phosphorus and sulfur ,whereina volume-based average particle size measured by laser diffraction particle size distribution measurement is 0.1 μm or more and 10 μm or less,in powder X-ray diffraction measurement using CuKα ray, the sulfide solid electrolyte particles have a diffraction peak having 2θ ranging from 29.0 to 31.0 deg, andan intensity ratio (Ib/Ip) of a peak intensity Ip of the diffraction peak to a diffraction intensity Ib at a high angle-side low part of the diffraction peak is less than 0.09.2. The sulfide solid electrolyte particles according to claim 1 , comprising an argyrodite-type crystal structure or an LGPS-type crystal structure.3. The sulfide solid electrolyte particles according to claim 1 , comprising an argyrodite-type crystal structure claim 1 , wherein the diffraction peak is at 2θ=29.7+0.5 deg.4. The sulfide solid electrolyte particles according to claim 3 , further having a diffraction peak at 2θ=25.2+0.5 deg in powder X-ray diffraction measurement using CuKα ray.5. The sulfide solid electrolyte particles according to claim 1 , further comprising halogen.6. The sulfide solid electrolyte particles according to claim 1 , further comprising chlorine.7. The sulfide solid electrolyte particles according to claim 1 , further comprising two or more halogens.8. The sulfide solid electrolyte particles according to claim 5 , wherein a molar ratio of the halogen ...

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Номер записи: 67

12-01-2017 дата публикации

Boron nitride fine particles and production method thereof

Номер: US20170008767A1

Автор: Dmitri Golberg, Fumihiro Kurokawa, Go Takeda, Seitaro KOBAYASHI, Takashi Kawasaki, Yoshio Bando

Принадлежит: Denka Co Ltd, NATIONAL INSTITUTE FOR MATERIALS SCIENCE

A boron nitride fine particle has low major diameter/thickness (aspect) ratio, high purity and high crystallinity, and also has an average particle diameter of 0.05 to 2.0 μm, a graphitization index of 3 or less, and a total oxygen content of 0.20% by mass or less, with an average value of a major diameter/thickness ratio of scaly particles being 6.0 or less. A method of producing a boron nitride fine particle includes introducing ammonia and an alkoxide borate at an ammonia/alkoxide borate molar ratio of 1 to 5 in a reaction vessel in an inert gas atmosphere for heating at 800 to 1,350° C. within 30 seconds thereby obtaining a boron nitride precursor, and then heating the boron nitride precursor at 1,650 to 2,200° C. for at least 0.5 hour in an inert gas atmosphere.

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Номер записи: 68

12-01-2017 дата публикации

POROUS CARBON PARTICLES HAVING A CORE/SHELL STRUCTURE, AND METHOD FOR PRODUCING SAME

Номер: US20170008769A1

Автор: Becker Jörg, Neumann Christian, Otter Matthias, Pihan Sascha

Принадлежит:

A method for producing carbon particles having a core/shell structure includes infiltrating a pore-containing template material with a first precursor for carbon of a first variety, carbonizing the first precursor to form a deposit of the carbon of the first variety, infiltrating the remaining pore space with a second precursor for carbon of a second variety to form a second deposit of the carbon of the second variety which has a second porosity lower than the first porosity, and removing the template material to form the carbon particles. The template material is provided as template particles and the first precursor is provided as precursor particles of meltable and polymerizable material. The infiltration occurs in the molten phase so that the first precursor is foamed before or during the carbonization to form a pore-containing carbon foam. In an intermediate product, pores of the template material are at least partially filled. 115-. (canceled)1650. A method for producing porous carbon particles () having a core/shell structure , the method comprising the following steps:{'b': '20', 'a. providing a pore-containing template material () consisting of inorganic material;'}{'b': '26', 'b. infiltrating pores () of the template material with a first precursor for carbon of a first variety;'}{'b': '26', 'c. carbonizing the first precursor so that a first deposit of the carbon of the first variety is formed with a first porosity in the pores ();'}d. infiltrating pores remaining after carbonizing with a second precursor for carbon of a second variety;e. carbonizing the second precursor, wherein a second deposit of the carbon of the second variety is formed with a second porosity lower than the first porosity; and{'b': '20', 'f. removing the template material (), wherein{'b': 20', '20', '26', '31', '26', '20', '31, '(A) the template material is provided in the form of template particles () and the first precursor is provided in the form of precursor particles of a first ...

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Номер записи: 69

12-01-2017 дата публикации

SYNTHETIC AMORPHOUS SILICA POWDER AND PROCESS FOR MANUFACTURING SAME

Номер: US20170008772A1

Автор: Ueda Toshiaki

Принадлежит:

The purpose of the present invention is to provide: a synthetic amorphous silica powder which is suitable as a raw material for a synthetic silica glass product used in a high-temperature and reduced-pressure environment, which can yield a synthetic silica product such that the occurrence or expansion of air bubbles in the glass product is inhibited even in use in a high-temperature and reduced-pressure environment, and which can be obtained at a relatively low cost; and a process for manufacturing the same. 1. A synthetic amorphous silica powder obtained by subjecting silica as a raw material to granulation and firing ,{'sub': 'v50', 'wherein a particle diameter Dat a cumulative frequency of 50% in a volume-based particle size distribution is 72 μm or more and 509 μm or less,'}a cumulative frequency of particles having volume-based diameters of 45 μm or less is 1.8% or less,{'sub': v90', 'v10', 'v50, 'a value obtained by dividing a difference between a particle diameter Dat a cumulative frequency of 90% in a volume-based particle size distribution and a particle diameter Dat a cumulative frequency of 10% in a volume-based particle size distribution by a particle diameter Dat a cumulative frequency of 50% in a volume-based particle size distribution is 0.79 or more and 1.40 or less,'}{'sub': NL', 'NS', 'NL', 'v50', 'NS, 'F/Fwhich is a ratio of a frequency Fof a frequency peak in a number particle size distribution existing at a neighbor of the particle diameter Dat a cumulative frequency of 50% in a volume-based particle size distribution, and a frequency Fof a frequency peak in a number-based particle size distribution existing at a particle diameter of 30 μm or less is 0.3 or more, and'}{'sup': 3', '3, 'a bulk density is 0.75 g/cmor more and 1.5 g/cmor less.'}2. The synthetic amorphous silica powder according to claim 1 , wherein fumed silica having a specific surface area of 50 to 200 m/g is used as a raw material claim 1 , a concentration of carbon is less than ...

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Номер записи: 70

08-01-2015 дата публикации

METHODS FOR PRODUCING GARNET PRECURSOR MICROPARTICLES AND MICROPARTICLES HAVING GARNET STRUCTURE

Номер: US20150010456A1

Автор: Enomura Masakazu, Kuraki Jun

Принадлежит:

The present invention addresses the problem of providing producing processes for garnet precursor microparticles (a precursor for microparticles of garnet structure) and microparticles of garnet structure. One of the processing processes comprises mixing ions of at least two elements with a basic substances that contain the at least two elements. The thin-film fluid is formed between at least two processing surfaces which are approachably and separably arranged facing each other with at least one of the processing surfaces rotating relative to the other. In the processing process, the precipitated microparticles are garnet precursor microparticles, and the molar ratio between the at least two elements in the garnet precursor microparticles is regulated by controlling the pH of the thin-film fluid after the mixing. Microparticles of garnet structure can be obtained by subjecting the garnet precursor microparticles to heat treatment. Specifically, the yttrium/aluminum molar ratio of yttrium-aluminum-garnet (YAG) precursor microparticles is regulated by controlling the pH of the thin-film fluid after the mixing, YAG being an example of the crystal of garnet structure. 1. A method for producing a garnet precursor microparticle , wherein in a method for producing a microparticle by mixing at least two element ions with a basic substance in a thin film fluid formed between at least two processing surfaces which are disposed in a position they are faced with each other so as to be able to approach to and separate from each other , at least one of which rotates relative to the other , whereby separating a microparticle which contains the at least two elements ,the said microparticle is a precursor of a microparticle having a garnet structure, andeach molar ratio of the at least two elements in the garnet precursor microparticle is controlled by controlling pH of the thin film fluid after the mixing.2. The method for producing a garnet precursor microparticle according to ...

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Номер записи: 71

12-01-2017 дата публикации

SURFACE MODIFIED CALCIUM CARBONATE CONTAINING MINERALS AND ITS USE

Номер: US20170009077A1

Автор: Gane Patrick Arthur Charles, Gerard Daniel Edward, Lehner Fritz, Schoelkopf Joachim, Werner Dennis

Принадлежит: Omya International AG

The present invention is related to ball-shaped spherical surface modified spherical calcium carbonate comprising minerals, the process for preparing such ball-shaped spherical surface modified spherical calcium carbonate comprising minerals, and their use. 1. A product obtained by a process for producing ball-shaped spherical surface modified calcium carbonate comprising particles , wherein the process comprises the steps of:a) providing at least one aqueous calcium carbonate containing mineral slurry;b) providing at least one water-soluble acid;{'sub': '2', 'c) providing gaseous COgenerated in situ and/or supplied externally;'}{'sub': '2', 'd) contacting the aqueous calcium carbonate containing mineral slurry of step a) with the acid of step b) and with the COof step c) under stirring conditions to obtain ball-shaped spherical surface modified calcium carbonate comprising particles; and'}e) optionally dewatering the aqueous slurry,{'sub': '2', 'wherein at least one processing agent is added before, during or after the aqueous calcium carbonate containing mineral slurry of step a) is contacted with the acid of step b) and the COof step c), and'}wherein the processing agent is selected from the group consisting of ferrous sulfate, ferric sulfate, ferrous chloride, aluminum sulfate, and their hydrated forms, andwherein the processing agent is added in an amount of up to 8 wt. % based on the dry weight of the slurry.2. The product according to claim 1 , wherein the calcium carbonate containing mineral of step a) is selected from the group consisting of marble claim 1 , chalk claim 1 , limestone claim 1 , calcite claim 1 , dolomite claim 1 , precipitated calcium carbonate (PCC) claim 1 , and any mixture thereof3. The product according to claim 1 , wherein the calcium carbonate containing mineral of step a) has a weight median particle diameter of 0.01 μm to 10 μm.4. The product according to claim 1 , wherein the calcium carbonate containing mineral of step a) has a ...

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Номер записи: 72

08-01-2015 дата публикации

HYDROTALCITE FINE PARTICLES

Номер: US20150010652A1

Автор: Kurogi Yusuke, Miyata Shigeo, Nakamura Tsukasa

Принадлежит: KYOWA CHEMICAL INDUSTRY CO., LTD.

Hydrotalcite particles having an extremely small average secondary particle diameter and a production process therefor. A resin composition comprising hydrotalcite fine particles and having excellent transparency and a molded article thereof. 1. Hydrotalcite particles having an average secondary particle diameter measured by a dynamic light scattering method of 5 to 100 nm.2. The hydrotalcite particles according to whose surfaces are treated with at least one surface treating agent selected from the group consisting of higher fatty acids claim 1 , titanate coupling agents claim 1 , silane coupling agents claim 1 , aluminate coupling agents claim 1 , esters of a polyhydric alcohol and a fatty acid claim 1 , phosphoric acid esters and anionic surfactants.3. A resin composition comprising 100 parts by weight of a resin and 0.001 to 300 parts by weight of hydrotalcite particles having an average secondary particle diameter measured by a dynamic light scattering method of 5 to 100 nm.4. The resin composition according to claim 3 , wherein the resin is a polyolefin claim 3 , polyvinyl chloride claim 3 , polyvinyl alcohol (PVA) or rubber.5. A molded article obtained by molding the resin composition of .6. A dispersion containing 100 parts by weight of water and 0.1 to 100 parts by weight of hydrotalcite particles having an average secondary particle diameter measured by a dynamic light scattering method of 5 to 100 nm.7. A process for producing hydrotalcite particles having an average secondary particle diameter measured by a dynamic light scattering method of 5 to 100 nm claim 3 , comprising wet milling slurry of hydrotalcite particles having an average secondary particle diameter of 0.1 to 10 μm by using beads having a diameter of 15 to 300 μm. The present invention relates to hydrotalcite fine particles and a production process therefor.Hydrotalcite particles have been known for a long time and have excellent acid reactivity and anion exchangeability. Making use of ...

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Номер записи: 73

09-01-2020 дата публикации

Effect Pigments with High Chroma and High Brilliancy, Method for the Production and Use Thereof

Номер: US20200009023A1

Автор: Grüner Michael, Kaupp Günter, Schneider Ralph

Принадлежит:

The invention relates to an absorbent effect pigment including a nonmetallic substrate in platelet form and a coating applied thereto, wherein the coating includes at least one spacer layer. The invention further relates to a process for production of and to the use of the absorbent effect pigment. 1. An absorbent effect pigment comprising a nonmetallic substrate in platelet form and a coating applied to the substrate , wherein the coating includesa) optionally a layer 1 comprising or consisting of at least one of tin oxide, tin hydroxide or tin oxide hydrate,b) a layer 2 comprising at least one of metal oxide, metal hydroxide or metal oxide hydrate,c) a layer 3 comprising at least one of metal oxide, metal hydroxide or metal oxide hydrate,at least one of layers 2 and 3 comprises at least two different metal ions and layers 2 and 3 are interrupted by a spacer layer, wherein the at least one spacer layer includes connections and cavities and wherein the at least one spacer layer has a network density of <85%.2. The absorbent effect pigment as claimed in claim 1 , wherein the nonmetallic substrate in platelet form is selected from the group consisting of natural mica platelets claim 1 , synthetic mica platelets claim 1 , iron mica claim 1 , glass platelets claim 1 , SiOplatelets claim 1 , AlOplatelets claim 1 , kaolin platelets claim 1 , talc platelets claim 1 , bismuth oxychloride platelets and mixtures thereof claim 1 , and the nonmetallic substrate in platelet form has optionally been coated with at least one metal oxide claim 1 , metal hydroxide and metal oxide hydrate.3. The absorbent effect pigment as claimed in claim 1 , wherein the effect pigment comprises further layers of high or low refractive index and optionally at least one further spacer layer.4. The absorbent effect pigment as claimed in claim 1 , wherein the at least two different metal ions of layers 2 and 3 are selected from the group of metals consisting of Ti claim 1 , Fe claim 1 , Sn claim 1 , Mn ...

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Номер записи: 74

27-01-2022 дата публикации

Novel amorphous active pharmaceutical ingredients comprising substantially amorphous mesoporous magnesium carbonate

Номер: US20220024777A1

Автор: Ottilia ARVÉN, Peter ÅSBERG, Sara Frykstrand Ångström, Tuulikki LINDMARK

Принадлежит: Disruptive Pharma AB

The present invention is directed to a solid and substantially amorphous active pharmaceutical ingredient, to an oral pharmaceutical formulation comprising said substantially amorphous active pharmaceutical ingredient, as well as to a method for the manufacture of the same. The invention is also directed to a particulate anhydrous and substantially amorphous mesoporous magnesium carbonate (MMC), to a method for the manufacture thereof, and the use of said particulate anhydrous and substantially amorphous mesoporous magnesium carbonate (MMC) to stabilize an active pharmaceutical ingredient (API).

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Номер записи: 75

27-01-2022 дата публикации

SURFACE-REACTED CALCIUM CARBONATE WITH FUNCTIONAL CATIONS

Номер: US20220025189A1

Автор: Gane Patrick A. C., Gerard Daniel E., GLAUBITZ Joachim, KNUPFER Martina Elisabeth, Rentsch Samuel, Urwyler Simon, WELKER Matthias

Принадлежит:

A method of preserving, controlling an odor, and/or enhancing and/or mediating antimicrobial activity of a substrate is described, the method comprising administering a surface-reacted calcium carbonate. The surface-reacted calcium carbonate is obtained by a process comprising treating a calcium carbonate-comprising material with at least one HO ion donor, carbon dioxide, and at least one water-soluble metal cation source in an aqueous medium to form an aqueous suspension of surface-reacted calcium carbonate. 1. A method of preserving , controlling an odor , and/or enhancing and/or mediating antimicrobial activity of a substrate , the method comprising administering a surface-reacted calcium carbonate in an amount sufficient to act as a preservative , to control the odor and/or enhance and/or mediate the antimicrobial activity of the substrate , wherein the surface-reacted calcium carbonate is obtained by a process comprising the steps of:a) providing a calcium carbonate-comprising material, wherein the calcium carbonate-comprising material is a natural ground calcium carbonate,{'sub': 3', '3, 'sup': +', '+, 'b) providing at least one HO ion donor, wherein the at least one HO ion donor is phosphoric acid,'}c) providing at least one water-soluble metal cation source, and{'sub': 30', '3, 'sup': +', '+, 'd) treating the calcium carbonate-comprising material of step a) with the at least one H ion donor of step b) and carbon dioxide in an aqueous medium to form an aqueous suspension of surface-reacted calcium carbonate, wherein in step d) the calcium carbonate-comprising material is treated with a solution comprising the at least one HO ion donor of step b) and the at least one water-soluble metal cation source of step c),'}wherein the at least one water-soluble metal cation source is selected from the group consisting of copper nitrate, copper sulphate, copper acetate, copper chloride, copper bromide, copper iodide, zinc nitrate, zinc sulphate, zinc acetate, zinc ...

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Номер записи: 76

11-01-2018 дата публикации

Hexagonal plate shaped ferrite powder, manufacturing method thereof, and resin compound and molded product using the ferrite powder

Номер: US20180009677A1

Автор: Koji Aga, Tetsuya Igarashi

Принадлежит: Powdertech Co Ltd

Objects are to provide a ferrite powder having a residual magnetization and a coercive force larger than those of spherical hard ferrite particle, and magnetic permeability μ″ is maximum in a specific frequency range, a manufacturing method thereof, a resin compound containing the ferrite powder, and a molded product made from the resin compound. To achieve the objects, a hexagonal plate shaped ferrite powder containing 7.8 to 9 wt % of Sr, 61 to 65 wt % of Fe, and 0.1 to 0.65 wt % of Mg, a manufacturing method thereof, a resin compound containing the hexagonal plate shaped ferrite powder, and a molded product made from the resin compound are employed.

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Номер записи: 77

14-01-2021 дата публикации

CARBON NANOTUBE WIRE

Номер: US20210009420A1

Автор: SAKAI Sawa

Принадлежит: FURUKAWA ELECTRIC CO., LTD.

The present disclosure relates to a carbon nanotube wire includes a carbon nanotube aggregate constituted of a plurality of carbon nanotubes. In the plurality of carbon nanotubes, a mean length of the plurality of carbon nanotubes is not larger than 150 μm, a CV value of the mean length is not smaller than 0.40, a mean diameter of the plurality of carbon nanotubes is smaller than 4 nm, a CV value of the mean diameter is not smaller than 0.18, and a proportion of carbon nanotubes with lengths not smaller than 3 μm is not less than 60%. 1. A carbon nanotube wire comprising a carbon nanotube aggregate constituted of a plurality of carbon nanotubes , whereinin the plurality of carbon nanotubes, a mean length of the plurality of carbon nanotubes is not larger than 150 μm, a CV value of the mean length is not smaller than 0.40, a mean diameter of the plurality of carbon nanotubes is smaller than 4 nm, a CV value of the mean diameter is not smaller than 0.18, and a proportion of carbon nanotubes with lengths not smaller than 3 μm is not less than 60%.2. The carbon nanotube wire according to claim 1 , wherein the mean length of the plurality of carbon nanotubes is not smaller than 1 μm.3. The carbon nanotube wire according to claim 1 , wherein a density in the carbon nanotube wire is not lower than 0.5 g/cm.4. The carbon nanotube wire according to claim 1 , wherein in the plurality of carbon nanotubes claim 1 , the CV value of the mean length is not larger than 1.2 claim 1 , the mean diameter is not smaller than 1 nm claim 1 , the CV value of the mean diameter is not larger than 0.80 claim 1 , and the proportion of carbon nanotubes with lengths not smaller than 3 μm is not more than 95%.5. The carbon nanotube wire according to claim 1 , wherein in the plurality of carbon nanotubes claim 1 , the CV value of the mean length is not smaller than 0.70 claim 1 , the mean diameter is not smaller than 1.2 nm claim 1 , the CV value of the mean diameter is not smaller than 0.50 and ...

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Номер записи: 78

14-01-2021 дата публикации

Plate-like alumina particle and a manufacturing method for the same

Номер: US20210009812A1

Автор: Hiroshi Kinoshita, Jian-Jun Yuan

Принадлежит: DIC Corp

[Solving Means] The above problem is solved by providing a plate-like alumina particle including a step of firing an aluminum compound in the presence of a shape-controlling agent and a molybdenum compound serving as a fluxing agent. The above problem is solved also by providing a method for producing a plate-like alumina particle, the method including a step in which the aluminum compound and the molybdenum compound react with each other to form aluminum molybdate and a step in which the aluminum molybdate is decomposed to obtain the plate-like alumina particle.

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Номер записи: 79

10-01-2019 дата публикации

COARSE CALCINED KAOLIN AND USES THEREOF

Номер: US20190010333A1

Автор: Foley Nicholas, Kamau Wilson Wanene, Khokhani Ashok, Porzio Robert Shane, Rosano William Joseph

Принадлежит:

Kaolin compositions comprising coarse kaolin particles are disclosed herein. The kaolin compositions can include kaolin particles having a GE brightness of at least 78 and a particle size distribution wherein at least 50% by weight of the kaolin particles have an equivalent size diameter (e.s.d.) of 30 μm or greater. In some embodiments, the kaolin compositions can include kaolin particles having a bimodal particle distribution. In other embodiments, the kaolin compositions can include kaolin particles having a low crystalline silica content, such as a crystalline silica content of 0.1% by weight or less and a particle size distribution wherein at least 50% by weight of the kaolin particles have an equivalent size diameter (e.s.d.) of 15 μm or greater. In some embodiments, the kaolin particles can be free of crystalline silica. Methods of making and using the kaolin compositions are also disclosed herein. 1. A kaolin composition comprising kaolin particles having a GE brightness of at least 78 and a particle size distribution wherein at least 50% by weight of the kaolin particles have an equivalent size diameter (e.s.d.) of 30 μm or greater , as determined by a Microtrac Model S3500 Particle Size Analyzer.2. The kaolin composition according to claim 1 , wherein the GE brightness of the kaolin particles is from 78 to 89.3. The kaolin composition according to claim 1 , wherein at least 50% by weight of the kaolin particles have an e.s.d. of from 30 μm to 200 μm.4. The kaolin composition according to claim 1 , wherein at least 90% by weight of the kaolin particles have an e.s.d. of 75 μm or less.5. The kaolin composition according to claim 1 , wherein the kaolin composition has a bimodal particle distribution.6. The kaolin composition according to claim 1 , wherein the kaolin particles comprise less than 0.1% by weight crystalline silica content.7. The kaolin composition according to claim 1 , wherein the kaolin particles have an oil absorption of from 17 to 25 lbs oil ...

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Номер записи: 80

10-01-2019 дата публикации

Morphologically and size uniform monodisperse particles and their shape-directed self-assembly

Номер: US20190010394A1

Автор: Christopher Bruce Murray, Howard Y. Bell, Joshua E. Collins, Xingchen Ye

Принадлежит: Intelligent Material Solutions Inc, University of Pennsylvania Penn

Monodisperse particles having: a single pure crystalline phase of a rare earth-containing lattice, a uniform three-dimensional size, and a uniform polyhedral morphology are disclosed. Due to their uniform size and shape, the monodisperse particles self assemble into superlattices. The particles may be luminescent particles such as down-converting phosphor particles and up-converting phosphors. The monodisperse particles of the invention have a rare earth-containing lattice which in one embodiment may be an yttrium-containing lattice or in another may be a lanthanide-containing lattice. The monodisperse particles may have different optical properties based on their composition, their size, and/or their morphology (or shape). Also disclosed is a combination of at least two types of monodisperse particles, where each type is a plurality of monodisperse particles having a single pure crystalline phase of a rare earth-containing lattice, a uniform three-dimensional size, and a uniform polyhedral morphology; and where the types of monodisperse particles differ from one another by composition, by size, or by morphology. In a preferred embodiment, the types of monodisperse particles have the same composition but different morphologies. Methods of making and methods of using the monodisperse particles are disclosed.

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Номер записи: 81

09-01-2020 дата публикации

ALUMINUM NITRIDE PARTICLES

Номер: US20200010374A1

Автор: Iida Kazuki, KOBAYASHI Hiroharu, Kobayashi Yoshimasa

Принадлежит: NGK Insulators, Ltd.

Aluminum nitride particles used as a material of an aluminum nitride sintered compact are disclosed. The aluminum nitride particles may have a same crystal orientation. The aluminum nitride particles each have an aspect ratio of 3 or more, a plate-like shape, a planar length of 0.6 μm or more and 20 μm or less, and a thickness length of 0.05 μm or more and 2 μm or less. 1. Aluminum nitride particles used as a material of an aluminum nitride sintered compact , whereinthe aluminum nitride particles have a same crystal orientation, andthe aluminum nitride particles each have an aspect ratio of 3 or more; a plate-like shape; a planar length of 0.6 μm or more and 20 μm or less; and a thickness length of 0.05 μm or more and 2 μm or less.2. The aluminum nitride particles according to claim 1 , wherein a surface area is 0.4 m/g or more and 16 m/g or less.3. The aluminum nitride particles according to claim 2 , wherein a metal impurity concentration in the particles is 0.2 mass % or less.4. The aluminum nitride particle according to claim 3 , wherein an oxygen concentration in the particles is 2 mass % or less.5. The aluminum nitride particles according to claim 1 , wherein a metal impurity concentration in the particles is 0.2 mass % or less.6. The aluminum nitride particle according to claim 1 , wherein an oxygen concentration in the particles is 2 mass % or less.7. The aluminum nitride particle according to claim 2 , wherein an oxygen concentration in the particles is 2 mass % or less.8. The aluminum nitride particle according to claim 5 , wherein an oxygen concentration in the particles is 2 mass % or less. The disclosure herein discloses art related to aluminum nitride particles. Especially, the disclosure herein discloses art related to aluminum nitride particles used as a material of an aluminum nitride sintered compact.Aluminum nitride particles having a high aspect ratio (planar length L/thickness length D) are described in International Publication No. WO2014/ ...

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Номер записи: 82

12-01-2017 дата публикации

NICKEL-MANGANESE COMPOSITE HYDROXIDE PARTICLES, METHOD FOR PRODUCING SAME, CATHODE ACTIVE MATERIAL FOR NON-AQUEOUS ELECTROLYTE SECONDARY BATTERIES, METHOD FOR PRODUCING SAME, AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY

Номер: US20170012288A1

Автор: HONMA Takehide, Ushio Ryozo, YAMAJI Koji

Принадлежит: SUMITOMO METAL MINING CO., LTD.

The object of the present invention is to improve the roundness of nickel-manganese composite hydroxide particles obtained by a crystallization process, and to improve the filling characteristic of cathode active material produced using the nickel-manganese composite hydroxide particles as a precursor. A reaction aqueous solution is formed by supplying a raw material aqueous solution including at least Ni and Mn, an aqueous solution including an ammonium-ion donor, and an alkali solution into a reaction tank, and mixing, then nickel-manganese composite hydroxide particles are crystallized. When doing this, the oxygen concentration inside the reaction tank is controlled to be 3.0% by volume or greater, the temperature of the reaction aqueous solution is controlled to be 35° C. to 60° C., and the nickel-ion concentration is controlled to be 1,000 mg/L or greater. As a result, nickel-manganese composite hydroxide particles are obtained that include secondary particles formed by an aggregation of plural primary particles and expressed by the general formula: NiMnM(OH)(where 0.05≦x≦0.95, 0.05≦y≦0.95, 0≦t≦0.20, x+y+t=1, 0≦α≦0.5, and M is one or more elements selected from among Co, Ti, V, Cr, Zr, Nb, Mo, Hf, Ta and W); and the average value of the roundness of cathode active material having a particle size that is 70% the average particle size or more is 0.82 or greater, and the tap density is 2.20 g/cmor greater. 1. A method for producing nickel-manganese composite hydroxide particles comprising secondary particles formed by an aggregation of plural primary particles and expressed by a general formula: NiMnM(OH) (where 0.05≦x≦0.95 , 0.05≦y≦0.95 , 0≦t≦0.20 , x+y+t=1 , 0≦α≦0.5 , and M is one or more elements selected from among Co , Ti , V , Cr , Zr , Nb , Mo , Hf , Ta and W); whereina reaction aqueous solution is formed by supplying a raw material aqueous solution including at least nickel and manganese, an aqueous solution including an ammonium-ion donor, and an alkali ...

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Номер записи: 83

11-01-2018 дата публикации

Powder, Electrode and Battery Comprising Such a Powder

Номер: US20180013137A1

Автор: GILLEIR Jan, Ishii Nobuaki, MARX Nicolas, MUTO Arihiro, Put Stijn, TAKEUCHI Masataka, VAN GENECHTEN Dirk

Принадлежит:

Powder comprising particles comprising a matrix material and silicon-based domains dispersed in this matrix material, whereby the matrix material is carbon or a material that can be thermally decomposed to carbon, whereby either part of the silicon-based domains are present in the form of agglomerates of silicon-based domains whereby at least 98% of these agglomerates have a maximum size of 3 μm or less, or the silicon-based domains are not at all agglomerated into agglomerates. 115-. (canceled)16. A powder comprising particles , wherein the particles comprise a matrix material and silicon-based domains dispersed in the matrix material , wherein the matrix material comprises carbon or a material that can be thermally decomposed to carbon , wherein either part of the silicon-based domains are present in the form of agglomerates of silicon-based domains and wherein at least 98% of the agglomerates have a maximum size of 3 μm or less , or the silicon-based domains are not at all agglomerated into agglomerates.17. The powder according to claim 16 , wherein the matrix material is a continuous matrix.18. The powder according to claim 16 , wherein the matrix material comprises pitch or thermally decomposed pitch.19. The powder according to claim 16 , wherein the matrix material comprises hard carbon.20. The powder according to claim 16 , wherein at least 98% of the agglomerates of the silicon based domains have a maximum size of 2 μm or less.21. The powder according to claim 16 , wherein all agglomerates of the silicon based domains have a maximum size of 3 μm or less.22. The powder according to claim 16 , wherein the silicon-based domains are either free silicon-based domains that are not completely embedded in the matrix material or are fully embedded silicon-based domains that are completely surrounded by the matrix material claim 16 , and wherein the percentage of free silicon-based domains is lower than or equal to 4 weight % of the total amount of Si in metallic or ...

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Номер записи: 84

11-01-2018 дата публикации

LITHIUM COMPLEX OXIDE FOR LITHIUM SECONDARY BATTERY POSITIVE ACTIVE MATERIAL AND METHOD OF PREPARING THE SAME

Номер: US20180013145A1

Автор: Choi Moon Ho, JEON Suk Yong, KIM Dong Hee, LEE Kyoung Jun, PARK Young Nam, SHIN Jong Seung, YU Hyun Jong

Принадлежит: ECOPRO BM CO., LTD.

Disclosed is a lithium complex oxide and method of manufacturing the same, more particularly, a lithium complex oxide effective in improving the characteristics of capacity, resistance, and lifetime with reduced residual lithium and with different interplanar distances of crystalline structure between a primary particle locating in a internal part of secondary particle and a primary particle locating on the surface part of the secondary particle, and a method of preparing the same. 1. A lithium complex oxide secondary particle which is formed by coagulation of a plurality of primary particles and configured to satisfy a relation as follows ,{'br': None, 'd1>d2\u2003\u2003'}where that the d1 is an interplanar distance of a crystalline structure in a primary particle locating in the internal part of secondary particle among the plurality of primary particles, and the d2 is an interplanar distance of a crystalline structure in a primary particle locating on a surface part of the secondary particle relation.2. The lithium complex oxide secondary particle of claim 1 , wherein the d1 claim 1 , which is the interplanar distance of the crystalline structure in the primary particle locating in the internal part of secondary particle claim 1 , is configured to be equal to or larger than 4.8 nm.3. The lithium complex oxide secondary particle of claim 1 , wherein the d2 claim 1 , which is the interplanar distance of the crystalline structure in the primary particle locating on the surface part of the secondary particle claim 1 , is configured to be equal to or smaller than 4.75 nm.4. The lithium complex oxide secondary particle of claim 1 , wherein the lithium complex oxide secondary particle is configured in a hexagonal structure claim 1 ,wherein a lithium ion pathway is formed toward the center from the surface of the secondary particle.5. The lithium complex oxide secondary particle of claim 1 , wherein a thickness of the surface part of the secondary particle is 0 ...

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Номер записи: 85

03-02-2022 дата публикации

CARBON NANOTUBE AGGREGATE

Номер: US20220033263A1

Автор: ISHINO KATSUMA, NARUSE Jyunichi, SHINGAI HAJIME, YOKOI TAKANORI

Принадлежит:

A carbon nanotube aggregate includes a plurality of carbon nanotubes, a metal compound added to inside and/or outside of each of the carbon nanotubes, and an oxide film that is made of an oxide of the metal compound, and covers an outer periphery of the plurality of carbon nanotubes to define an outer surface of the carbon nanotube aggregate. Since the metal compound is shielded from the atmosphere by the oxide film, separation of the metal compound and reaction of the metal compound with oxygen or water in the atmosphere are suppressed, increasing heat resistance of the carbon nanotube aggregate. 1. A carbon nanotube aggregate comprising:a plurality of carbon nanotubes;a metal compound added to inside and/or outside of each of the carbon nanotubes; andan oxide film made of an oxide of the metal compound, and covering an outer periphery of the plurality of carbon nanotubes to define an outer surface of the carbon nanotube aggregate.2. The carbon nanotube aggregate according to claim 1 , wherein the metal compound is a metal chloride.3. The carbon nanotube aggregate according to claim 2 ,wherein the metal compound is molybdenum chloride, andwherein the oxide is molybdenum oxide or a partial oxide of molybdenum chloride.4. The carbon nanotube aggregate according to claim 1 , wherein the carbon nanotube aggregate has a quadrangular pillar shape in which a length of one side is 10 μm or more claim 1 , or a columnar shape having a diameter of 10 μm or more.5. The carbon nanotube aggregate according to claim 1 , wherein a density of the plurality of carbon nanotubes is 0.8 g/cmor more. The present application claims the benefit of priority from Japanese Patent Application No. 2020-130986 filed on Jul. 31, 2020 and Japanese Patent Application No. 2021-122195 filed on Jul. 27, 2021. The entire disclosures of the above applications are incorporated herein by reference.The present disclosure relates to an aggregate of carbon nanotubes (hereinafter referred to as CNT).A CNT ...

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Номер записи: 86

19-01-2017 дата публикации

POWDER, METHOD OF PRODUCING POWDER, AND ADSORPTION APPARATUS

Номер: US20170014798A1

Автор: Kobayashi Shintaro

Принадлежит: HOYA CORPORATION

The present invention provides that powder is mainly constituted from secondary particles of hydroxyapatite. The secondary particles are obtained by drying a slurry containing primary particles of hydroxyapatite and aggregates thereof and granulating the primary particles and the aggregates. A bulk density of the powder is 0.65 g/mL or more and a specific surface area of the secondary particles is 70 m/g or more. The powder of the present invention has high strength and is capable of exhibiting superior adsorption capability when it is used for an adsorbent an adsorption apparatus has. 1. A method of producing powder including secondary particles mainly formed of hydroxyapatite , the method comprising:mixing a first liquid containing a calcium source to be a raw material of the hydroxyapatite with a second liquid containing a phosphoric source to be the raw material of the hydroxyapatite to obtain a mixture;reacting the calcium source with the phosphoric source with stirring the mixture to obtain a slurry containing primary particles of the hydroxyapatite and aggregates thereof;physically crushing the aggregates contained in the slurry to disperse the crushed aggregates in the slurry; andgranulating the primary particles and the crushed aggregates by spraying and drying the slurry to obtain the secondary particles.2. The method as claimed in claim 1 , wherein power for stirring the mixture is in the range of 0.75 to 2.0 W per 1 L of the mixture.3. The method as claimed in claim 1 , wherein a content of the calcium source in the first liquid is in the range of 5 to 15 wt % and a content of the phosphoric source in the second liquid is in the range of 10 to 25 wt %.4. The method as claimed in claim 1 , wherein the mixing the first liquid with the second liquid is performed by dropping the second liquid into the first liquid at a rate of 1 to 40 L/hour.5. The method as claimed in claim 4 , wherein a time for dropping the second liquid into the first liquid is in the ...

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Номер записи: 87

03-02-2022 дата публикации

Aluminas and Methods for Producing Same

Номер: US20220033657A1

Автор: Allison HANN, Brian Peoples

Принадлежит: Sasol USA Corp

The present invention is directed to a method for producing a modified alumina by modifying a surface of an alumina with the addition of a phosphono group containing modifier. The invention is further directed to a modified alumina produced according to the method of the present invention and to a modified alumina having specific characteristics.

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Номер записи: 88

03-02-2022 дата публикации

METHOD FOR PRODUCING NITRIDE CRYSTAL AND NITRIDE CRYSTAL

Номер: US20220033992A1

Автор: FUJISAWA Hideo, KAGAMITANI Yuji, Kamada Kazunori, KAWABATA SHINICHIRO, Mikawa Yutaka, NAGAOKA Hirobumi

Принадлежит: MITSUBISHI CHEMICAL CORPORATION

A high-quality nitride crystal can be produced efficiently by charging a nitride crystal starting material that contains tertiary particles having a maximum diameter of from 1 to 120 mm and formed through aggregation of secondary particles having a maximum diameter of from 100 to 1000 μm, in the starting material charging region of a reactor, followed by crystal growth in the presence of a solvent in a supercritical state and/or a subcritical state in the reactor, wherein the nitride crystal starting material is charged in the starting material charging region in a bulk density of from 0.7 to 4.5 g/cmfor the intended crystal growth. 1. (canceled)2. A GaN crystal , comprising a fluorine element and at least one halogen element selected from the group consisting of a chlorine , bromine and iodine , wherein an oxygen concentration is from 1.5×10to 2.5×10atoms/cm , and a Si concentration is 2×10atoms/cmor less.3. The GaN crystal of claim 2 , comprising the fluorine and the iodine.4. The GaN crystal of claim 2 , wherein a fluorine concentration is 1×10atoms/cmor less.5. The GaN crystal of claim 1 , which is a GaN crystal grown according to an ammonothermal process.6. A wafer comprising the GaN crystal of .7. A method of producing a device claim 1 , comprising:{'claim-ref': {'@idref': 'CLM-00005', 'claim 5'}, 'forming a light-emitting device or an electronic device by using the wafer of .'}8. A method of producing a GaN crystal claim 1 , comprising:growing a crystal, wherein a GaN crystal is grown from a GaN crystal starting material having an oxygen concentration of at least 10 ppm using an ammonothermal process,{'sub': '4', 'wherein in the crystal growing, NHF is used as a mineralizing agent, and HI as a mineralizing agent is charged in a reaction apparatus.'}9. The method of producing a GaN crystal of claim 7 , wherein a GaN polycrystal is used as the GaN crystal starting material.10. The method of producing a GaN crystal of claim 8 , further comprising growing the GaN ...

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Номер записи: 89

21-01-2016 дата публикации

PRECIPITATED CALCIUM CARBONATE, A METHOD FOR ITS MANUFACTURE AND USES THEREOF

Номер: US20160016810A1

Автор: JAKOB Alexandra, RABOTEAU Cedric, Rico Jean-Luc

Принадлежит:

Dry precipitated calcium carbonate and a slurry of precipitated calcium carbonate (“PCC”) particles at least partially in the form elongated entities, especially of nanofibers or nanochain like agglomerates constituted by at least two interconnected primary particles, and preferably, with a content of scalenohedron particles, is provided having opacifying properties. The slurry may be produced on site of its use and, due to its high concentration of CaCO, may be applied directly after its manufacture.

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Номер записи: 90

16-01-2020 дата публикации

Alkaline earth metal ion adsorbent, and production method of the same, and alkaline earth metal ion-containing liquid treatment apparatus

Номер: US20200016570A1

Автор: Ayaka ANDO, Hidenori Ishioka, Hiroaki Uchida, Makoto Komatsu, Nobuyuki Hashimoto, Shigeru Nagaoka, Takafumi Tanaka, Takashi Sakuma, Takayasu Tanaka, Takeshi Izumi, Tomoko Yoshimi

Принадлежит: Ebara Corp, Titan Kogyo KK

Provided is a particulate alkaline earth metal ion adsorbent having a large adsorption capacity. The particulate alkaline earth metal ion adsorbent comprising: a potassium hydrogen dititanate hydrate represented by a chemical formula K 2-x H x O.2TiO 2 .nH 2 O, wherein x is 0.5 or more and 1.3 or less, and n is greater than 0; and no binder, wherein the particulate alkaline earth metal ion adsorbent has a particle size range of 150 μm or more and 1000 μm or less.

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Номер записи: 91

16-01-2020 дата публикации

Precursors of cathode materials for a rechargeable lithium ion battery

Номер: US20200017370A1

Автор: Dae-Hyun Kim, Jens Paulsen, JinDoo OH, Maxime Blangero

Принадлежит: Umicore Korea Ltd, Umicore NV SA

A method for manufacturing a cobalt based hydroxide carbonate compound having a malachite-rosasite mineral structure, comprising the steps of: providing an first aqueous solution comprising a source of Co, providing a second aqueous solution comprising Na 2 CO 3 , mixing both solutions in a precipitation reactor at a temperature above 70° C., thereby precipitating a cobalt based hydroxide carbonate compound whilst evacuating from the reactor any CO 2 formed by the precipitation reaction, wherein the residence time of the compound in the reactor is between 1 and 4 hours, and recovering the cobalt based hydroxide carbonate compound. The cobalt based hydroxide carbonate compound is used as a precursor of a lithium cobalt based oxide usable as an active positive electrode material in lithium ion batteries.

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Номер записи: 92

21-01-2021 дата публикации

SYSTEMS AND METHODS FOR PARTICLE GENERATION

Номер: US20210017025A1

Автор: HARDMAN Ned J.

Принадлежит:

Particles with suitable properties may be generated. The particles may include carbon particles. 143.-. (canceled)44. A carbon particle with a surface area/electron microscope surface area (STSA/EMSA) ratio greater than or equal to about 1.3.45. The carbon particle of claim 44 , wherein the carbon particle has a lattice constant (L) greater than about 3.0 nm and a statistical thickness surface area/nitrogen surface area (STSA/N2SA) ratio from about 1.01 to about 1.4.46. The carbon particle of claim 44 , wherein a Z average particle size of the carbon particle as measured by dynamic light scattering (DLS) is at least about 30% greater than a value predicted based on the equation D=(2540+71)/S claim 44 , where Dis maximum aggregate diameter in nanometers claim 44 , S is STSA in m/g claim 44 , and is equal to the volume of dibutylphthalate in mL/100 g in accordance with standard test procedure ASTM D2414.47. The carbon particle of claim 44 , wherein the carbon particle has a nitrogen surface area (N2SA) that is (i) between about 30 m/g and 400 m/g claim 44 , (ii) between about 40 m/g and 80 m/g claim 44 , or (iii) between about 80 m/g and 150 m/g.48. The carbon particle of claim 44 , wherein (i) total extractable PAHs of the carbon particle are less than about 1 ppm claim 44 , or (ii) the carbon particle has a tote greater than about 99.8%.49. The carbon particle of claim 44 , wherein the carbon particle has (i) a total sulfur content of less than about 50 ppm claim 44 , (ii) an oxygen content of less than or equal to about 0.4% oxygen by weight claim 44 , (ii) a hydrogen content of less than about 0.4% hydrogen by weight claim 44 , or (iv) a boron concentration that is between about 0.05% and 7% on a solids weight basis.50. The carbon particle of claim 44 , wherein the carbon particle has (i) a moisture content of less than or equal to about 0.3% by weight claim 44 , (ii) an affinity to adsorb water from an 80% relative humidity atmosphere of less than ...

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Номер записи: 93

21-01-2021 дата публикации

TITANIUM OXIDE PARTICLES AND MANUFACTURING METHOD THEREFOR

Номер: US20210017037A1

Автор: HOSOKAWA Takuya, IDA Kiyonobu, TOMONARI Masanori

Принадлежит:

The present invention manufactures titanium oxide particles that have a small degree of aggregation (size of aggregate particle diameter relative to primary particle diameter) and are not readily sintered by heating. The present invention has: a step in which an alkali and a solution including a carboxylic acid and a titanium (oxy)chloride are mixed, and the titanium (oxy)chloride is hydrolyzed by neutralization; and a step in which, after the hydrolysis by neutralization, the solution is heated to a temperature of 80° C. or more and 110° C. or less, and the titanium (oxy)chloride remaining in the solution is hydrolyzed by heating. It is thus possible to obtain titanium oxide particles that have a small degree of aggregation and a range of 1-35 for the ratio (D90/BET diameter) between the 90% cumulative mass particle size distribution diameter (D90) (nm) as measured by a dynamic light-scattering particle diameter distribution measurement device and the BET diameter (nm) as calculated from the specific surface area of the titanium oxide particles. 1. A method for manufacturing titanium oxide particles , comprising:a step of hydrolyzing a titanium (oxy)chloride by neutralization by mixing a solution containing a carboxylic acid and the titanium (oxy)chloride with an alkali; anda step of thermally hydrolyzing the titanium (oxy)chloride remaining in the solution after hydrolyzing the titanium (oxy)chloride by neutralization by heating the solution after hydrolyzing the titanium (oxy)chloride by neutralization at a temperature of 80° C. or more to 110° C. or less.2. The method according to claim 1 , wherein the solution containing the carboxylic acid and the titanium (oxy)chloride in the step of hydrolyzing the titanium (oxy)chloride by neutralization is heated at a temperature of 40° C. or more and 80° C. or less before being mixed claim 1 , during being mixed claim 1 , or after being mixed with the alkali.3. The method according to claim 1 , wherein in the step of ...

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Номер записи: 94

21-01-2021 дата публикации

TRANSFER MEMBER FOR PRINTING SYSTEMS

Номер: US20210017356A1

Автор: ABRAMOVICH Sagi, HAVIV Amit, LANDA Benzion

Принадлежит:

There is disclosed a layered article that can be used in indirect printing, in analog or digital processes. The layered article, when configured as a transfer member, may serve to receive an ink in any form, allow the ink to be treated so as to form an ink image, and permit the application of the ink image on a substrate. The transfer member comprises a support layer and an imaging layer, which may be formed of a silicon matrix including dispersed carbon black particles. Methods for preparing the same are also disclosed. 1. A transfer member for receiving ink and transferring an ink image to a substrate , the transfer member comprising:a) a support layer; and i) a hydrophobic silicone matrix comprising hydrophilic carbon black particles dispersed therein; and', 'ii) a release surface distal to the support layer., 'b) an imaging layer, disposed on the support layer, the imaging layer comprising2. The transfer member according to claim 1 , wherein the release surface is integral to the imaging layer.3. The transfer member according to claim 1 , wherein the release surface is a layer formed on the imaging layer.4. The transfer member according to any preceding claim claim 1 , wherein the imaging layer is a layer formed from liquid silicone resins (LSR) claim 1 , room temperature vulcanization (RTV) silicones claim 1 , polydialkyl siloxanes (PDAS) or polydimethyl siloxanes (PDMS) silicones claim 1 , and functionalised versions thereof.5. The transfer member according to any preceding claim claim 1 , wherein the release surface is hydrophobic.6. The transfer member according to any preceding claim claim 1 , wherein the silicone matrix is an addition-cured silicone matrix.7. The transfer member according to any one of to claim 1 , wherein the silicone matrix is a condensation-cured silicone matrix.8. The transfer member according to any preceding claim claim 1 , the hydrophilic carbon black particles having one or more properties selected from the list consisting of:{'sub ...

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Номер записи: 95

17-04-2014 дата публикации

Method for producing alkali metal niobate particles, and alkali metal niobate particles

Номер: US20140103246A1

Автор: Atsuki Terabe, Atsushi Muramatsu, Hideto Mizutani, Hirofumi Takahashi, Kiyoshi Kanie, Satoru Sueda, Yasuhiro Okamoto

Принадлежит: Fuji Ceramics Corp, Sakai Chemical Industry Co Ltd, Tohoku University NUC

Disclosed are a method of producing fine particulate alkali metal niobate in a liquid phase system, wherein the size and shape of particles of the fine particulate alkali metal niobate can be controlled; and fine particulate alkali metal niobate having a controlled shape and size. Specifically disclosed are a method of producing particulate sodium-potassium niobate represented by the formula (1): Na x K (1-x) NbO 3 (1), the method including four specific steps, wherein a high-concentration alkaline solution containing Na + ion and K + ion is used as an alkaline solution; and particulate sodium-potassium niobate having a controlled shape and size.

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Номер записи: 96

17-01-2019 дата публикации

Positive-electrode active material for non-aqueous electrolyte secondary batteries, production method thereof, and nonaqueous electrolyte secondary battery

Номер: US20190020023A1

Автор: Jun Yokoyama, Tetsufumi Komukai, Yuki Furuichi

Принадлежит: SUMITOMO METAL MINING CO LTD

A positive electrode active material for nonaqueous electrolyte secondary batteries has a high charge/discharge capacity and produces high output, as well as has high filling ability. The positive electrode active material includes lithium-nickel composite oxide particles are formed by agglomeration of multiple primary particles, include pores, and have a layered crystal structure. The lithium-nickel composite oxide particles have an average particle size of 15 μm or more and 30 μm or less. The percentage of an area of the pores measured by a cross-sectional observation of the lithium-nickel composite oxide particles with respect to a cross-sectional area of the lithium-nickel composite oxide particles is 1.0% or more and 5.0% or less. A lithium-tungsten compound containing tungsten and lithium is present on the surface of and inside the secondary particles. The lithium-tungsten compound is present on at least part of the surface of the primary particles.

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Номер записи: 97

17-01-2019 дата публикации

Positive electrode active material precursor for nonaqueous electrolyte secondary battery, positive electrode active material for nonaqueous electrolyte secondary battery, method for manufacturing positive electrode active material precursor for nonaqueous electrolyte secondary battery, and method for manufacturing positive electrode active material for nonaqueous electrolyte secondary battery

Номер: US20190020025A1

Автор: Kazuomi Ryoshi, Kikoo Uekusa, Satoshi Matsumoto

Принадлежит: SUMITOMO METAL MINING CO LTD

A positive electrode active material precursor for a nonaqueous electrolyte secondary battery is provided that includes a nickel-cobalt-manganese carbonate composite represented by general formula Ni x Co y Mn z M t CO 3 (where x+y+z+t=1, 0.05≤x≤0.3, 0.1≤y≤0.4, 0≤t≤0.1, and M denotes at least one additional element selected from a group consisting of Mg, Ca, Al, Ti, V, Cr, Zr, Nb, Mo, and W) and a hydrogen-containing functional group. The ratio H/Me of the amount of hydrogen H to the amount of metal components Me included in the positive electrode active material precursor is less than 1.60. The positive electrode active material further includes a secondary particle formed by a plurality of primary particles that have been aggregated.

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Номер записи: 98

25-01-2018 дата публикации

Coated Pigments, Method for the Production and the Use Thereof, Coating Agent and Article

Номер: US20180021240A1

Автор: Bedford Oliver, Schneider Ralph, Stein-Hofmann Simone, Struck Oliver

Принадлежит:

The present invention relates to a particularly effective protective coating for metallic objects, the coating method, and the special applications thereof. The particularly high protective effect is achieved by the adaptation of the inorganic fraction and the organic polymer fraction of the coating to the specific surface of the object. Further adjustments of the coating can be used for further optimization, for example of the protection properties or other product properties. 1. A pigment comprising a metallic substrate and at least one inorganic/organic hybrid layer ,wherein the inorganic/organic hybrid layer comprises at least one metal oxide, at least one network former, and at least one organic polymer,wherein the at least one metal oxide does not constitute an oxidation product of the metallic substrate, and the term “metal oxide” comprises oxides, hydroxides, and oxide hydrates of the metals and semimetals,wherein the network former is joined at least partially covalently to the metal oxide and to the organic polymer,{'sup': 2', '2, 'wherein the ratio of the amount of metal oxide of the inorganic/organic hybrid layer to the specific surface area of the uncoated metal pigment is in a range from 16.1 mg/mto 25 mg/m, and'}{'sup': 2', '2, 'the ratio of the amount of organic polymer of the inorganic/organic hybrid layer to the specific surface area of the uncoated metal pigment is in a range from 3.9 mg/mto 10.1 mg/m.'}2. The pigment according to claim 1 , wherein the metallic substrate is platelet-shaped.3. The pigment according to claim 1 , wherein the organic polymer is not polyethylene.4. The pigment according to claim 1 , wherein the ratio of the amount of metal oxide of the coating to the specific surface area of the uncoated metal pigment is in a range from 17.2 mg/mto 23 mg/m.5. The pigment according to claim 1 , wherein the ratio of the amount of organic polymer of the inorganic/organic hybrid layer to the specific surface area of the uncoated metal ...

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Номер записи: 99

17-04-2014 дата публикации

Sodium niobate powder, method of manufacturing a sodium niobate powder, plate-like particle, method of manufacturing a plate-like particle, and method of manufacturing an oriented ceramics

Номер: US20140106170A1

Автор: Hiroshi Saito, Jumpei Hayashi, Nobuhiro Kumada, Takayuki Watanabe

Принадлежит: Canon Inc, University of Yamanashi NUC

Provided are methods of manufacturing an oriented ceramics containing sodium niobate and a raw material thereof. Specifically, provided is a sodium niobate powder, including cuboidal sodium niobate particles having an average side length of 0.1 μm or more to 100 μm or less, at least one face of the cuboid including a (100) plane in pseudo-cubic notation, in which the sodium niobate powder has a perovskite single-phase structure.

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Номер записи: 100