NANOMATERIALES DE CARBONO

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Resultados 42 resultados LastUpdate Última actualización 24/04/2018 [18:39:00] 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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FIBROUS CARBON NANOHORN AGGREGATE AND METHOD FOR PRODUCING THE SAME

NºPublicación: US2018105425A1 19/04/2018

Solicitante:
NEC CORP [JP]

Resumen de: US2018105425A1

Objects of the present invention is to provide a carbon nanohorn aggregate excellent in imparting conductivity, and to provide a carbon nanohorn aggregate excellent in both the impartation of conductivity and the dispersibility. The present invention provides a fibrous carbon nanohorn aggregate in which a plurality of single-walled carbon nanohorns are aggregated in a fibrous state. The fibrous carbon nanohorn aggregate is excellent in imparting conductivity, and can be produced by the same process as production of globular carbon nanohorn aggregates, whereby the carbon nanohorn aggregates containing fibrous ones and globular ones mixed therewith can satisfy both high conductivity and high dispersibility.



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PROCESS FOR MAKING COMPOSITES COMPRISING RIGID-ROD POLYMERS AND GRAPHENE NANOPARTICLES

NºPublicación: US2018105957A1 19/04/2018

Solicitante:
DANG THUY D [US]
BUSBEE JOHN D [US]

Resumen de: US2018105957A1

The present invention relates to composites comprising rigid-rod polymers and graphene nanoparticles, processes for the preparation thereof, nanocomposite films and fibers comprising such composites and articles containing such nanocomposite films and fibers.



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DEGRADABLE CONJUGATED POLYMERS FOR THE SELECTIVE SORTING OF SEMICONDUCTING CARBON NANOTUBES

NºPublicación: WO2018071092A1 19/04/2018

Solicitante:
WISCONSIN ALUMNI RES FOUND [US]

Resumen de: WO2018071092A1

Conjugated polymers composed of bi-pyridine units linked to 9,9-dialkyl fluorenyl-2,7-diyl units via imine linkages along the polymer backbone are provided. Also provided are semiconducting single-walled carbon nanotubes coated with the conjugated polymers and methods of sorting and separating s-SWCNTs from a sample comprising a mixture of s-SWCNTs and metallic single-walled carbon nanotubes using the conjugated polymers.



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2-DIMENSIONAL CARBON MATERIAL

NºPublicación: CN107922193A 17/04/2018

Solicitante:
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Resumen de: WO2016203269A1

2-dimensional carbon thin films are described, as well as their processes of preparation, and their specific uses. The 2-dimensional carbon thin films are fabricated by preparing an organic polymeric thin film precursor, which is then subjected to a carbonisation process to remove at least some of the non-carbon atoms. Using the disclosed process, 2- dimensional carbon thin films having improved dimensional characteristics can be reliably prepared, which presents clear advantages in applications which have until now been restricted to the use of 2- dimensional carbon thin films having less useful dimensions.



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种非金属催化剂SiC制备半导体性单壁碳纳米管的方法

NºPublicación: CN107915217A 17/04/2018

Solicitante:
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Resumen de: CN107915217A

本发明涉及半导体性单壁碳纳米管控制制备领域,具体为种非金属催化剂SiC制备半导体性单壁碳纳米管的方法。以离子溅射方法获得的碳化硅纳米颗粒为催化剂,先在高温、氢气气氛预处理,使碳化硅纳米颗粒表面的硅原子蒸发,在表面留下的碳原子形成碳帽;再在氢气气氛下通入碳源,具有刻蚀作用的氢气刻蚀高活性金属性碳帽,从而得到半导体性富集的单壁碳纳米管。本发明利用预处理过程中催化剂表面原子的微量自身分解形成碳帽,再利用氢气的刻蚀性作用去除高活性金属性碳帽,实现了不含金属杂质的半导体性富集单壁碳纳米管的可控生长。



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种抗菌性强的氧化石墨烯‑纳米银材料的制备方法

NºPublicación: CN107915221A 17/04/2018

Solicitante:
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Resumen de: CN107915221A

本发明涉及种抗菌性强的氧化石墨烯‑纳米银材料的制备方法。包括以下步骤,1)将50mg石墨、0.5gNaNO、3gKMnO、23mL浓硫酸在2~5℃的条件下混合;升温至35~38℃反应35~45min,加入60~80mL去离子水;升温至80~90℃,加入双氧水;离心、洗涤、烘干;2)将3mg AgNO溶于60mL去离子水中;取1)中的氧化石墨烯粉末3mg溶于30mL去离子水中;将AgNO溶液与氧化石墨烯溶液进行混合超声20~30min,升温至95~105℃,加入5mg柠檬酸钠,混合搅拌;洗涤、抽滤、干燥。本发明提供种成品效果好的抗菌性强的氧化石墨烯‑纳米银材料的制备方法。



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种用于细胞核成像和线粒体成像的石墨烯量子点的制备及应用研究

NºPublicación: CN107902642A 13/04/2018

Solicitante:
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Resumen de: CN107902642A

本发明公开了种用于靶向细胞核成像和线粒体成像的石墨烯量子点,是将聚乙烯亚胺(PEI)和1,3,6‑三硝基芘在水热反应条件下反应形成PEI修饰的石墨烯量子点(GQDs‑PEI),用于细胞核靶向成像。在已构建的GQDs‑PEI的基础上,通过酰胺化反应将4‑羧丁基三苯基溴化膦(TPP)接枝到GQDs‑PEI的表面构建用于线粒体靶向成像的GQDs‑TPP,并提供了二者的制备方法和应用。本发明的有益效果为:本发明应用纳米技术,制备GQDs‑PEI和GQDs‑TPP,分别用于细胞核靶向成像和线粒体靶向成像,该方法制备简单,无特殊设备要求,绿色环保,成本低廉,且能大规模制备;本发明GQDs‑PEI和GQDs‑TPP具有良好的生物相容性及光学特性;能够特异性的对细胞核及线粒体进行靶向成像。



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种二硫化钼‑石墨烯复合纳米片的制备

NºPublicación: CN107902920A 13/04/2018

Solicitante:
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Resumen de: CN107902920A

种二硫化钼‑石墨烯复合纳米片的制备及应用,涉及种二硫化钼‑石墨烯复合纳米片的制备方法及其应用。本发明是要解决现有材料在生物传感器中检测左旋多巴灵敏度低的问题。本发明制备方法如下:、化学气相沉积法;二、液相超声辅助剥离法;三、液相超声分散法;四、自动喷涂法。本发明制备的种二硫化钼‑石墨烯复合纳米片具有比表面积大和电导性能优良等优点,可用于高效、灵敏检测左旋多巴。



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种开口型烯烃基微纳囊状材料三维结构及其制备方法

NºPublicación: CN107902644A 13/04/2018

Solicitante:
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Resumen de: CN107902644A

本发明提供了种开口型烯烃基微纳囊状材料三维结构及其制备方法。所述三维结构囊壁的组成成分中包括烯烃基分子层,所述烯烃基分子层具有石墨烯结构,且所述结构的囊体上具有开口。将所述结构作为载体应用于化学反应中,所述开口利于反应物和产物进出所述结构,能有效提高反应速率与效率。所述方法包括取具有催化活性的金属氧化物晶粒与碳源气体在加热条件下反应,使碳源气体在金属氧化物晶粒表面沉积形成烯烃基分子层;利用化学方法去除被烯烃基分子层所包裹的金属氧化物,但保留烯烃基分子层;同时借助物理方法的协同作用,共同引导囊状的烯烃基分子层断裂而形成开口,得到所述开口型烯烃基微纳囊状材料三维结构。



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种氮化硼包覆多壁碳纳米管的制备方法

NºPublicación: CN107902640A 13/04/2018

Solicitante:
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Resumen de: CN107902640A

本发明为种氮化硼包覆多壁碳纳米管的制备方法。该方法包括以下步骤:(1)将碳纳米管加入到硝酸与硫酸组成的混酸中,超声分散后干燥得到粉末;(2)向乙醇中加入硼酸、三聚氰胺、表面活性剂和步骤(1)中的干燥粉末,超声,搅拌,过滤,真空干燥得到氮化硼包覆碳纳米管前驱体;表面活性剂为聚乙烯吡咯烷酮K30;(3)取步骤(2)中得到的产物机械研磨后在氨气气氛、1050~1200℃下烧结2~3.5h,制得氮化硼包覆碳纳米管复合粉体材料。本发明方法所用仪器设备简单,操作方便,成本低廉,产物的结构稳定且性能优异,有利于大规模的生产。



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COATING FOR A VAPOR CHAMBER

NºPublicación: WO2018067174A1 12/04/2018

Solicitante:
HEWLETT PACKARD DEVELOPMENT CO [US]

Resumen de: WO2018067174A1

In example implementations, a vapor chamber is provided. The vapor chamber includes a metallic housing. A nickel coating is applied on inside walls of the metallic housing. A silica derived carbon nanotube (CNT) aerogel coating is applied on the nickel coating on the inside walls of the metallic housing. The silica derived CNT aerogel coating is sprayed onto the nickel coating, dried and cured.



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CARBON NANOTUBE AGGREGATE

NºPublicación: WO2018066233A1 12/04/2018

Solicitante:
NITTO DENKO CORP [JP]

Resumen de: WO2018066233A1

A carbon nanotube aggregate with excellent gripping force is provided. This sheet-form carbon nanotube aggregate is configured from a plurality of carbon nanotubes, and the cohesive strength N on the front surface and/or back surface of the carbon nanotube aggregate is 3nJ or greater, measured by nanoindentation with an indentation load of 500μN.



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METHOD FOR PREPARING LOADING-TYPE NANO-METAL MATERIAL USING MICROWAVE-ASSISTED CARBON TEMPLATE METHOD

NºPublicación: WO2018064960A1 12/04/2018

Solicitante:
UNIV CHANGZHOU [CN]
WUHAN INST TECHNOLOGY [CN]

Resumen de: WO2018064960A1

A method for preparing loading-type nano-metal material using a microwave-assisted carbon template method, relating to the technical field of nanomaterial preparation. Forming a homogeneous solution in water using a sugar, urea, and oxide carrier precursor and a metal salt, so that the metal salt is evenly distributed throughout the mixed liquid. Using microwave heating to carbonise the sugar and obtain a carbon-coated oxide carrier and nano-metal, metal active components being uniformly distributed in the porous carbon; treating in air at high temperature to obtain an oxide carrier loaded nano-metal oxide; and then performing high temperature thermal treatment in a reductive atmosphere to obtain a porous carbon loaded nano-metal oxide or nano-metal material. Loading-type nanomaterial of simultaneously controllable loading capacity, particle size, crystal phase, and composition can be obtained by means of changing synthesis conditions such as the ratio of the raw materials and the microwave duration and power. The entire process has the advantages of simple operation and being environmentally friendly and low cost.



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QUANTUM CAPACITANCE GRAPHENE VARACTORS AND FABRICATION METHODS

NºPublicación: US2018102438A1 12/04/2018

Solicitante:
IBM [US]

Resumen de: US2018102438A1

A plate varactor includes a dielectric substrate and a first electrode embedded in a surface of the substrate. A capacitor dielectric layer is disposed over the first electrode, and a layer of graphene is formed over the dielectric layer to contribute a quantum capacitance component to the dielectric layer. An upper electrode is formed on the layer of graphene. Other embodiments and methods for fabrication are also included.



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IMAGING NEUROTRANSMITTERS IN VIVO USING FUNCTIONALIZED CARBON NANOTUBES

NºPublicación: WO2018068058A1 12/04/2018

Solicitante:
UNIV CALIFORNIA [US]

Resumen de: WO2018068058A1

Imaging based detection of changes in extracellular neurotransmitter concentration in living tissue is achieved using novel nanotube-based sensors. The sensors are functionalized, neurocompatible single-walled carbon nanotubes (SWNT) comprising an adsorbed neurotransmitter analyte selective polynucleotide.



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DEGRADABLE CONJUGATED POLYMERS FOR THE SELECTIVE SORTING OF SEMICONDUCTING CARBON NANOTUBES

NºPublicación: US2018099870A1 12/04/2018

Solicitante:
WISCONSIN ALUMNI RES FOUND [US]

Resumen de: US2018099870A1

Conjugated polymers composed of bi-pyridine units linked to 9,9-dialkyl fluorenyl-2,7-diyl units via imine linkages along the polymer backbone are provided. Also provided are semiconducting single-walled carbon nanotubes coated with the conjugated polymers and methods of sorting and separating s-SWCNTs from a sample comprising a mixture of s-SWCNTs and metallic single-walled carbon nanotubes using the conjugated polymers.



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A MAGNETORESISTANCE SENSOR

NºPublicación: WO2018067070A1 12/04/2018

Solicitante:
NAT UNIV SINGAPORE [SG]

Resumen de: WO2018067070A1

A magnetoresistance sensor There is provided a magnetoresistance sensor comprising a graphene-black phosphorus hybrid structure, wherein the graphene-black phosphorus hybrid structure comprises a black phosphorus layer and a graphene layer disposed on the black phosphorus layer. In particular, the magnetoresistance of the graphene-black phosphorus hybrid structure may be determined by a difference in a charge mobility and/or carrier density between the graphene layer and the black phosphorus layer, wherein the charge mobility and/or the carrier density of the graphene layer may be tunable by a gate voltage applied to the graphene-black phosphorus hybrid structure.



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DISPLAY CONTROL FILMS

NºPublicación: WO2018067147A1 12/04/2018

Solicitante:
HEWLETT PACKARD DEVELOPMENT CO [US]

Resumen de: WO2018067147A1

The present subject matter relates to display control films. In an example implementation, a display control film comprises a transparent substrate including a first set of linear protrusions protruding from a face of the transparent substrate. The first set of linear protrusions is parallel to each other. The display control film also comprises a graphene coating on each linear protrusion of the first set.



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SLURRY, AND METHOD FOR PRODUCING COMPOSITE RESIN MATERIAL AND MOLDED ARTICLE

NºPublicación: WO2018066528A1 12/04/2018

Solicitante:
ZEON CORP [JP]

Resumen de: WO2018066528A1

The purpose of the present invention is to provide a composite resin material capable of forming a molded article exhibiting excellent mechanical strength and sufficiently low surface resistance. Thus, a method for producing a composite resin material that includes a step for removing a dispersion medium from a slurry which contains fluorine resin particles, a fibrous carbon nanostructure, and a dispersion medium, wherein the fibrous carbon nanostructure content constitutes 0.01-0.5 parts by mass, inclusive, relative to 100 parts by mass of the fluorine resin particles, and when placed on a glass slide equipped with grooves having a depth of 0.5mm and observed in a 3mm×2mm range inside the grooves of the glass slide by using an optical microscope, the area ratio S (%) of the fibrous carbon nanostructure aggregate and the volumetric percentage V (vol%) of the fibrous carbon nanostructure in the solid portion of the slurry satisfy the relational expression 3≤S/V≤30.



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ACTUATOR BASED ON CARBON NANOTUBES AND ACTUATING SYSTEM USING THE SAME

NºPublicación: US2018100490A1 12/04/2018

Solicitante:
UNIV TSINGHUA [CN]
HON HAI PREC IND CO LTD [TW]

Resumen de: US2018100490A1

The disclosure relates to an actuator based on carbon nanotubes and actuating system using the same. The actuator includes: a carbon nanotube layer and a vanadium dioxide layer stacked with each other. Because the drastic, reversible phase transition of VO2, the actuator has giant deformation amplitude and fast response. An actuating system using the actuator is also provided.



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METHOD FOR PRODUCING CARBON NANOTUBE-CONTAINING COMPOSITION

NºPublicación: EP3305723A1 11/04/2018

Solicitante:
TORAY INDUSTRIES [JP]

Resumen de: EP3305723A1

A method for producing a carbon nanotube-containing composition according to present invention is a method for producing a carbon nanotube-containing composition for synthesizing carbon nanotube aggregates by introducing a ferrocene derivative, a sulfur compound, a carbon source, and a carrier gas into a gas phase flowing in a heating furnace within a temperature range of higher than 1,200°C to 1,800°C. The carbon source substantially consists of benzene or toluene. The carrier gas includes hydrogen in a range of 10% by volume to 85% by volume. The carrier gas has a linear velocity in a range of 230 cm/min to 2,200 cm/min.



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碳包覆氧化铁纳米管的制备方法及其产品和应用

NºPublicación: CN107879379A 06/04/2018

Solicitante:
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Resumen de: CN107879379A

本发明提供了种碳包覆氧化铁纳米管的制备方法及其产品和应用,将可溶性铁盐、硫酸盐、磷酸二氢铵及蔗糖按定浓度配置成溶液,磁力搅拌定时间;将溶液转移至不锈钢反应釜,调节温度、压力,采用超临界法反应定时间制备得到碳包覆氧化铁纳米管。制备方法简单,有效缩减了碳包覆工艺的流程,同时反应时间短,温度低,易于控制反应的进程。利用本发明方法高效、快捷地制备了碳包覆氧化铁纳米管,该材料具备独特的核壳结构及奇特的电学、磁学、光学和力学性能,因而有望广泛应用于催化剂、电池材料和电波屏蔽材料等领域。



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BIOLOGICAL CO-PROCESSOR (BCP)

NºPublicación: US2018093092A1 05/04/2018

Solicitante:
HOWARD NEWTON [US]

Resumen de: US2018093092A1

Embodiments may provide a general-purpose, relatively inexpensive, AI-driven implant that is able to adapt to and modulate any given neuron, circuit, or region in the brain, as well as individual cells of any type of tissue. For example, in an embodiment, a method for interacting with living tissue may comprise attaching a device to a body of a person or animal, the device comprising plurality of carbon fibers in contact with the living tissue, receiving by the carbon fibers signals from the living tissue, processing the received signals by the device, and transmitting the processed signals.



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COMPOSITE-COATED LITHIUM IRON PHOSPHATE AND PREPARATION METHOD THEREFOR, AND LITHIUM ION BATTERY

NºPublicación: US2018097228A1 05/04/2018

Solicitante:
INST OF PROCESS ENGINEERING CHINESE ACADEMY OG SCIENCES [CN]

Resumen de: US2018097228A1

A composite-coated lithium iron phosphate in a three-dimensional nanonetwork layered structure and a preparation method therefor, and a lithium ion battery, wherein a composite is prepared by compounding a conducting polymer, graphene and a carbon nano tube. The preparation method for the coated lithium iron phosphate comprises the following steps: doping the composite and anhydrous ferric phosphate in situ in the process of preparing the anhydrous ferric phosphate, serving as a lithium iron phosphate precursor, then mixing the composite in-situ doped anhydrous ferric phosphate, a lithium source, a traditional carbon material and a solvent to obtain slurry, spray drying the slurry, and calcining to obtain the composite-coated lithium iron phosphate in a three-dimensional nanonetwork layered structure. The preparation method is simple and has a wide raw material source, low cost and very broad practical application prospect. Serving as an anode material of the lithium ion battery, the coated lithium iron phosphate has higher electrical conductivity and cycling stability, and more excellent comprehensive electrochemical performance.



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ナノ炭素材料を含有する薄膜を被覆された炭素繊維及びその製造方法

Nº publicación: JP2018053375A 05/04/2018

Solicitante:
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Resumen de: JP2018053375A

【課題】表面にカーボンナノチューブを良好な分散状態で含有する薄膜を形成することで導電性が向上された炭素繊維を製造する方法を提供する。【解決手段】カーボンナノチューブと、カルボキシメチルセルロースアンモニウムと、炭酸水素アンモニウムとを添加した水溶液を調整し、前記水溶液に対してカーボンナノチューブの分散処理を行い分散水溶液とし、前記分散水溶液を炭素繊維に塗布し又は含浸させ、乾燥させて薄膜化することにより、カーボンナノチューブを含有する薄膜を被覆された炭素繊維を製造する方法。


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