NANOMATERIALES DE CARBONO

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Resultados 62 resultados LastUpdate Última actualización 27/06/2017 [14:20:00] pdf PDF




Solicitudes publicadas en los últimos 60 días (excluida automoción) / Applications published in the last 60 days (Automotion publications excluded)



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N-TYPE THERMOELECTRIC CONVERSION LAYER, THERMOELECTRIC CONVERSION ELEMENT, AND COMPOSITION FOR FORMING N-TYPE THERMOELECTRIC CONVERSION LAYER

NºPublicación: WO2017104591A1 22/06/2017

Solicitante:
FUJIFILM CORP [JP]

Resumen de: WO2017104591A1

The purpose of the present invention is to provide an n-type thermoelectric conversion layer having a high power factor and excellent performance stability, a thermoelectric conversion element equipped with the n-type thermoelectric conversion layer, and a composition for forming an n-type thermoelectric conversion layer, for use in the n-type thermoelectric conversion layer. This n-type thermoelectric conversion layer contains carbon nanotubes, and an amine compound represented by the following general formula (1) or (2) and having a ClogP value of 2.0-8.2. In general formulas (1) and (2), X represents a linear or branched, unsubstituted alkyl group. R represents a hydrogen atom, or an alkyl group optionally having a substituent group. m represents an integer from 1 to 3. If m is an integer of 2 or greater, the plurality of X moieties may be the same or different. n represents an integer from 0 to 2. If n is an integer of 2 or greater, the plurality of R moieties may be the same or different, and may be bonded to one another to form a ring. m and n satisfy the relational expression m + n = 3.



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THERMOELECTRIC CONVERSION LAYER, THERMOELECTRIC CONVERSION ELEMENT, AND COMPOSITION FOR FORMING THERMOELECTRIC CONVERSION LAYER

NºPublicación: WO2017104757A1 22/06/2017

Solicitante:
FUJIFILM CORP [JP]

Resumen de: WO2017104757A1

The present invention addresses the problem of: providing a thermoelectric conversion layer that exhibits n-type characteristics, said layer having a high power factor, low thermal conductivity, and highly consistent performance under high temperature over time; and providing a thermoelectric conversion element having this thermoelectric conversion layer as an n-type thermoelectric conversion layer, and a composition for forming a thermoelectric conversion layer, said composition used in forming this thermoelectric conversion layer. This thermoelectric conversion layer contains a hydrogen bonding resin and an n-type thermoelectric conversion material containing carbon nanotubes.



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FIBROUS CARBON NANOSTRUCTURE DISPERSION

NºPublicación: WO2017104769A1 22/06/2017

Solicitante:
ZEON CORP [JP]

Resumen de: WO2017104769A1

The purpose of the present invention is to provide a fibrous carbon nanostructure dispersion that exhibits excellent dispersibility of a fibrous carbon nanostructure. This fibrous carbon nanostructure dispersion is characterized by comprising: a fibrous carbon nanostructure that has a mass reduction rate of 3.0 mass% or less as measured by thermogravimetric analysis in a nitrogen atmosphere when the temperature is increased from 23°C to 200°C at a temperature increase rate of 20°C/min; and a solvent.



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A HIGH CARBON GRADE GRAPHITE BLOCK AND A METHOD TO MAKE IT

NºPublicación: WO2017105389A1 22/06/2017

Solicitante:
CHIU GORDON [US]
SUNG TERESA [US]
MCCLOSKEY JAY WALTER [US]
HYATT ROBERT JOHN [US]

Resumen de: WO2017105389A1

A method to make a graphite block of any desired size and with over 99% carbon purity and high density is provided. The graphite block is obtained by mixing graphite flakes of any size with graphene oxide sheets and subjecting the mixture to elevated temperature and pressure. With this method large graphite blocks can be obtained economically and fast. The graphite blocks of this invention have superlubricity characters.



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PROCESS FOR PREPARING CONCENTRATES OF GRAPHENE NANOPLATELETS VIA THE MILLING OF GRAPHITE AND EXFOLIANTS

NºPublicación: WO2017105208A1 22/06/2017

Solicitante:
CENTRO DE INVESTIGACI\u00D3N EN QU\u00CDMICA APLICADA [MX]

Resumen de: WO2017105208A1

The invention relates to a process for preparing concentrates of graphene nanoplatelets via the milling of graphite and exfoliants. The novel aspect of this process is characterised by the use of fatty acids and fatty acid esters as exfoliants of the graphene nanoplatelets in the milling system. Both the fatty acids and the fatty acid esters facilitate the delamination process, while simultaneously acting as stabilisers for the graphene nanoplatelets, permitting same to be easily dispersed in both solvents and polymers. The obtained concentrates permit the excellent properties of the graphene to be used, given that same does not undergo a chemical modification during the process.



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FIBROUS CARBON NANOSTRUCTURE DISPERSION

NºPublicación: WO2017104772A1 22/06/2017

Solicitante:
ZEON CORP [JP]

Resumen de: WO2017104772A1

The purpose of the present invention is to provide a fibrous carbon nanostructure dispersion that exhibits excellent dispersibility of a fibrous carbon nanostructure. This fibrous carbon nanostructure dispersion is characterized by comprising: a fibrous carbon nanostructure body in which a t-plot obtained from an adsorption isotherm exhibits a convex shape on the upper part thereof; and a solvent.



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METHOD FOR THE SYNTHESIS OF NANOCOMPOSITES BASED ON TIO2 AND CARBONATED NANOSTRUCTURES

NºPublicación: EP3180810A1 21/06/2017

Solicitante:
COMMISSARIAT \u00C0 L'\u00C9NERGIE ATOMIQUE ET AUX \u00C9NERGIES ALTERNATIVES [FR]
CENTRE NAT RECH SCIENT [FR]
UNIV DE LIMOGES [FR]

Resumen de: WO2016009328A1

The invention relates to a method for the synthesis of a nanocomposite compound comprising TiO2 nanoparticles bound to carbon nanostructures, characterised in that it comprises the following steps: a) mixing carbon nanostructures and at least one TiO2 precursor in a first liquid in order to form a stock suspension; b) nebulising said stock suspension and transporting it into a reaction chamber by means of a gaseous flow; and c) carrying out laser pyrolysis of said stock suspension in said reaction chamber in order to simultaneously form TiO2 nanoparticules and graft them onto the nanostructures.



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ALIGNED SINGLE-WALLED CARBON NANOTUBE BULK STRUCTURE, PRODUCTION PROCESS AND USE

NºPublicación: EP3181518A1 21/06/2017

Solicitante:
NAT INST ADVANCED IND SCIENCE & TECH [JP]

Resumen de: EP3181518A1

This invention provides an aligned single-layer carbon nanotube bulk structure, which comprises an assembly of a plurality of aligned single-layer carbon nanotube and has a height of not less than 10 µm, and an aligned single-layer carbon nanotube bulk structure which comprises an assembly of a plurality of aligned single-layer carbon nanotubes and has been patterned in a predetermined form. This structure is produced by chemical vapor deposition (CVD) of carbon nanotubes in the presence of a metal catalyst in a reaction atmosphere with an oxidizing agent, preferably water, added thereto. An aligned single-layer carbon nanotube bulk structure, which has realized high purify and significantly large scaled length or height, its production process and apparatus, and its applied products are provided.



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MULTILAYER GRAPHENE, METHOD OF FORMING THE SAME, DEVICE INCLUDING THE MULTILAYER GRAPHENE, AND METHOD OF MANUFACTURING THE DEVICE

NºPublicación: EP3181516A1 21/06/2017

Solicitante:
SAMSUNG ELECTRONICS CO LTD [KR]

Resumen de: EP3181516A1

A multilayer graphene, a method of forming the same, a device including the multilayer graphene, and a method of manufacturing the device are provided. In the method of forming the multilayer graphene, a first graphene is formed on an underlayer, and then a multilayer graphene is formed on a first area of the first graphene at a first temperature by using a first source gas, the multilayer graphene comprising a portion of the first graphene corresponding to the first area, wherein a temperature used to form the first graphene is different from the first temperature, or a source gas used to form the first graphene is different from the first source gas.



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CHEMICAL-FREE PRODUCTION OF GRAPHENE-REINFORCED POLYMER MATRIX COMPOSITES

NºPublicación: WO2017100294A1 15/06/2017

Solicitante:
ZHAMU ARUNA [US]
JANG BOR Z [US]
NANOTEK INSTRUMENTS INC [US]

Resumen de: WO2017100294A1

Provided is a simple, fast, scalable, and environmentally benign method of producing a graphene-reinforced polymer matrix composite directly from a graphitic material, the method comprising: (a) mixing multiple particles of a graphitic material and multiple particles of a solid polymer carrier material to form a mixture in an impacting chamber of an energy impacting apparatus; (b) operating the energy impacting apparatus with a frequency and an intensity for a length of time sufficient for peeling off graphene sheets from the graphitic material and transferring the graphene sheets to surfaces of solid polymer carrier material particles to produce graphene-coated or graphene-embedded polymer particles inside the impacting chamber; and (c) forming graphene-coated or graphene-embedded polymer particles into the graphene-reinforced polymer matrix composite. Also provided is a mass of the graphene-coated or graphene-embedded polymer particles produced by this method.



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METHOD FOR PRODUCING SYNTHETIC DIAMONDS

NºPublicación: US2017166450A1 15/06/2017

Solicitante:
CAMBRIDGE ENTPR LTD [GB]

Resumen de: US2017166450A1

A method of producing diamonds comprises the steps of producing a carbonaceous powder comprising nano-structured carbonaceous material and a transition metal and thermally treating the powder. The carbonaceous powder is produced by electrochemical erosion of graphite in a molten salt, the transition metal being incorporated into the carbonaceous powder during the electrochemical erosion. The step of thermally treating the carbonaceous powder is carried out in a non-oxidising atmosphere at a temperature of between 350° C. and 300° C., at a pressure of lower than 1 GPa. The method allows diamond to be produced at low pressures and low temperatures.



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NANOSTRUCTURE-REINFORCED COMPOSITE ARTICLES AND METHODS

NºPublicación: JP2017104977A 15/06/2017

Resumen de: WO2008054541A2

The present invention provides methods for uniform growth of nanostructures such as nanotubes (e.g., carbon nanotubes) on the surface of a substrate, wherein the long axes of the nanostructures may be substantially aligned. The nanostructures may be further processed for use in various applications, such as composite materials. For example, a set of aligned nanostructures may be formed and transferred, either in bulk or to another surface, to another material to enhance the properties of the material. In some cases, the nanostructures may enhance the mechanical properties of a material, for example, providing mechanical reinforcement at an interface between two materials or plies. In some cases, the nanostructures may enhance thermal and/or electronic properties of a material. The present invention also provides systems and methods for growth of nanostructures, including batch processes and continuous processes.



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CARBON NANOMATERIAL COMPOSITE SHEET AND METHOD FOR MAKING THE SAME

NºPublicación: EP3178966A1 14/06/2017

Solicitante:
BOEING CO [US]

Resumen de: EP3178966A1

A carbon nanomaterial composite sheet 202 and a method for making a carbon nanomaterial composite sheet 202 may include a layer of a carbon nanomaterial structure 242 being bonded to a carrier layer 204, the carrier layer 204 being fabricated from a porous metalized nonwoven material.



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METHODS FOR SYNTHESIS OF GRAPHENE DERIVATIVES AND FUNCTIONAL MATERIALS FROM ASPHALTENES, GRAPHENE DERIVATIVES, 2D MATERIALS AND APPLICATIONS OF USE

NºPublicación: EP3177563A2 14/06/2017

Solicitante:
TANIMOLA OLANREWAJU W [US]

Resumen de: WO2016023041A2

Embodiments described are directed to methods for the functionalization of asphaltene materials and to compositions made from functionalized asphaltenes. Disclosed is a method for synthesizing graphene derivatives, such as 2D single crystalline carbon allotropes of graphene and functional materials, such as sulfonic acid and its derivatives. Also disclosed is a method for the transformation of asphaltene into a source of graphene derivatives and functional materials, such as, 0D, 1D, 2D and combinations of 0D and 1D by utilizing chemical substitution reaction mechanism, such as, electrophilic aromatic substitution, nucleophilic aromatic substitution and Sandmeyer mechanism. Also disclosed are novel graphene materials comprising: acetylenic linkage and hydrogenated graphene. These novel materials, which may be produced by these methods, include, e.g.: 2D single crystalline carbon allotropes of graphene with asymmetric unit formulas C7H6N2O4, C6H4N2O4, C7H7O3S- H3O+, C7H7O3SH+, and a 2D single crystal with asymmetric unit formula (Na6O16S4)n.



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RESISTIVE CARBON COMPOSITE MATERIAL

NºPublicación: EP3179825A1 14/06/2017

Solicitante:
OBSHHESTVO S OGRANICHENNOJ OTVETSTVENNOST'JU INZHINIRIINGOVAJA KOMPANIJA TEPLOFON [RU]

Resumen de: EP3179825A1

The invention relates to electrical engineering and to a resistive composite carbon material in particular. It can be used for the preparation of highly conductive pastes and adhesives providing a reliable electrical contact, as well as in manufacture of industrial and household heaters. Resistive carbon composite material includes conductive phase based on high-electroconductive grades of carbon black combined with high-electroconductive colloidal grades of graphite and heat-resistant grades of polymeric binder. Along with this, carbon black which provides high conductivity has a specific surface area of at least 300÷600 m 2 /g, particle size of 10 to 50 nm; colloidal graphite preparations have graphite particles size of less than 4 microns. The technical result achieved by the invention claimed is increasing of the conductivity and decreasing of the resistance by optimizing the content of the binder and choice of effective conductive components.



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Carbon nanotube/graphene composites

NºPublicación: GB2545172A 14/06/2017

Solicitante:
FGV CAMBRIDGE NANOSYSTEMS LTD [GB]

Resumen de: GB2545172A

An electrically conductive composite material comprising carbon nanotubes and graphene nanoplatelets within a polymer matrix, wherein the carbon nanotubes have an average length greater than 10 µm; and wherein the graphene nanoplatelets form in the range of 0.005 wt.% to 0.06 wt.% of the composite material. In a preferred version the polymer matrix is an epoxy resin. Also provided is a mixture having such a composition, an article comprising such a composite material, and a composite production method.



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METHOD FOR PRODUCING A COLLOIDAL SOLUTION OF NANOSCALE CARBON

NºPublicación: HK1221708A1 09/06/2017

Solicitante:
OBSCHESTVO S OGRANICHENNOY OTVETSTVENNOSTYU PLAZMA [RU]

Resumen de: EP3018098A1

The technical result of the present method is simplicity, low cost and the possibility of producing nanoparticles of different types. This result is achieved in that the method for producing a colloidal solution of nanoscale carbon is carried out as follows: an organic fluid is fed into a chamber that contains electrodes, an inert gas is injected into the inter-electrode space, a high temperature plasma channel is formed in gas bubbles, thus atomizing carbon atoms, followed by rapid cooling.



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Carbon Nanomaterial Composite Sheet and Method for Making the Same

NºPublicación: US2017158511A1 08/06/2017

Solicitante:
BOEING CO [US]
GENERAL NANO LLC [US]

Resumen de: US2017158511A1

A carbon nanomaterial composite sheet and a method for making a carbon nanomaterial composite sheet may include a layer of a carbon nanomaterial structure being bonded to a carrier layer, the carrier layer being fabricated from a porous metalized nonwoven material.



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NEW CLASS OF TUNABLE GAS STORAGE AND SENSOR MATERIALS

NºPublicación: US2017157590A1 08/06/2017

Solicitante:
HONDA MOTOR CO LTD [JP]

Resumen de: US2017157590A1

The electronic structure of nanowires, nanotubes and thin films deposited on a substrate is varied by doping with electrons or holes. The electronic structure can then be tuned by varying the support material or by applying a gate voltage. The electronic structure can be controlled to absorb a gas, store a gas, or release a gas, such as hydrogen, oxygen, ammonia, carbon dioxide, and the like.



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A QUANTUM ELECTRONIC DEVICE

NºPublicación: WO2017091870A1 08/06/2017

Solicitante:
UNIV SYDNEY [AU]
ECOLE POLYTECHNIQUE FED DE LAUSANNE [CH]

Resumen de: WO2017091870A1

This disclosure relates to quantum electronic devices for storing qubits. In particular, this disclosure relates to a quantum electronic device comprising a carbon nanosphere adapted to store a qubit represented by an electron spin and a control and readout device to set the qubit and read the qubit stored on the carbon nanosphere. Qubits stored on carbon nanospheres have a long electron spin lifetime at room temperature. This disclosure further relates to a method for quantum computing. The method comprises storing a qubit represented by an electron spin on a carbon nanosphere, performing a quantum operation on the qubit to generate a resulting qubit and reading the resulting qubit from the nanosphere. There is further provided a spintronic device comprising multiple carbon nanospheres adapted to provide a qubit represented by an electron spin in that carbon nanosphere and a control device to facilitate interaction between the qubits to perform a quantum operation.



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CHEMICAL-FREE PRODUCTION OF GRAPHENE MATERIALS

NºPublicación: WO2017095512A1 08/06/2017

Solicitante:
ZHAMU ARUNA [US]
JANG BOR Z [US]
ANGSTRON MAT INC [US]

Resumen de: WO2017095512A1

A method of producing isolated graphene sheets directly from a graphitic material, comprising: a) mixing multiple particles of a graphitic material and multiple particles of a solid carrier material to form a mixture in an impacting chamber of an energy impacting apparatus; b) operating the impacting apparatus for peeling off graphene sheets from the graphitic material and transferring these graphene sheets to surfaces of solid carrier material particles to produce graphene-coated solid particles inside the impacting chamber; c) separating the graphene sheet from the solid carrier material particle surfaces to recover isolated graphene sheets. The method enables production of graphene sheets directly from a graphitic material without going through a chemical intercalation or oxidation procedure. The process is fast (hours as opposed to days of conventional processes), has low or no water usage, environmentally benign, cost effective, and highly scalable.



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AN ENERGY STORAGE ELECTRODE

NºPublicación: WO2017093596A1 08/06/2017

Solicitante:
UNIV OF EASTERN FINLAND [FI]

Resumen de: WO2017093596A1

Provided herein is an energy storage electrode comprising graphene/carbon nanoflower composite (G/CNF) material, wherein said G/CNF material comprises multi-layered graphene sheets and a plurality of carbon nanoflowers (CNFs), said carbon nanoflowers being circular curved multi-layered carbon sheets having a diameter below 100 nm and optionally having a Si core.



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CARBON NANOTUBE SHEET STRUCTURE AND METHOD FOR ITS MAKING

NºPublicación: EP3174705A1 07/06/2017

Solicitante:
GENERAL NANO LLC [US]

Resumen de: WO2016019143A1

A carbon nanotube (CNT) sheet containing CNTs having a median length of at least 0.05 mm and an aspec t ratio of at least 2,500; L arranged b a randomly oriented, uniformly distributed pattern, and having a basis weight of at least 1 gsm and a relative density of less than 1,0. The CNT sheet is manufactured by applying a CNT suspension in a continuous pool over a filter material to a depth sufficient to prevent puddling of the CNT suspension upon the surface of the •filter material, and drawing the dispersing liquid through the filter material to provide a uniform CNT dispersion and form the CNT sheet. The CNT sheet is useful in making CNT composite laminates and structures having utility for electromagnetic wave absorption, lightning strike dissipation, EMI shielding, thermal interface pads, energy storage, and heat dissipation.



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A composite shielding material and a process of making the same

NºPublicación: GB2544981A 07/06/2017

Solicitante:
TALLINN UNIV OF TECH [EE]

Resumen de: GB2544981A

A composite shielding material in the form of syntactic foam comprising a mould 4 filled with spherical, including spherical-like articles 3 coated with a layer of nanostructures such as carbon nanotubes, graphene, graphene flakes. Such articles maybe additionally covered with nano sized metal particles and the mould is filled with organic or inorganic matrix 5, and possibly micro and/or nano-sized reinforcement elements 6, 7. Such material possesses both reflective and absorptive properties to improve shielding effectiveness. Also a process for making the same is claimed. The composite material can be used as an electromagnetic irradiation or acoustic shield.



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种部分羟基化的石墨烯及其制备方法

Nº publicación: CN106800293A 06/06/2017

Resumen de: CN106800293A

本发明公开了种部分羟基化的石墨烯的制备方法,包括如下步骤:1)在冰水浴中,将98%的浓硫酸与30%的双氧水混合,搅拌均匀,冷却至室温,得反应液;2)将反应液加入到球磨罐中,并向其中加入石墨纳米片,球磨1~10h,得反应产物;3)将反应产物稀释到去离子水中,中和,再经过滤、洗涤、透析、干燥,得羟基化的石墨烯。该方法简单好操作,易于工业化实施。


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