Matches 251 - 300 out of 358 < 1 2 3 4 5 6 7 8 >


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US20150017087 CARBON FIBER AND CATALYST FOR MANUFACTURE OF CARBON FIBER  
Carbon fibers containing at least one element (I) selected from the group consisting of Fe, Co and Ni, at least one element (II) selected from the group consisting of Sc, Ti, V, Cr, Mn, Cu, Y, Zr,...
US20120213999 GRAPHITE NANO-CARBON FIBER AND METHOD OF PRODUCING THE SAME  
According to one embodiment, there is provided a graphite nano-carbon fiber provided by using an apparatus having a reactor capable of keeping a reducing atmosphere inside thereof, a metal...
US20100239490 Processes for growing carbon nanotubes using disordered carbon target  
Processes for producing single-wall carbon nanotubes without catalysts are provided. The nanotubes are produced by vaporizing silicon carbide and carbon.
US20110073010 PROCESS FOR DEMETALLIZATION OF CARBON NANOTUBES  
Processes are provided for removing metal-based catalyst residues from carbon nanotubes by contacting the carbon nanotubes with an active metal agent and carbon monoxide.
US20120077020 CARBON MATERIAL AND METHOD FOR PRODUCING SAME  
(Problem) In conventional method for producing artificial graphite, in order to obtain a product having excellent crystallinity, it was necessary to mold a filler and a binder and then repeat...
US20100143713 CARBON FIBER, PROCESS FOR PRODUCTION OF POLYACRYLONITRILE-BASE PRECURSOR FIBER FOR CARBON FIBER PRODUCTION, AND PROCESS FOR PRODUCTION OF CARBON FIBER  
A process for producing polyacrylonitrile-base precursor fibers for production of carbon fibers, which comprises spinning a spinning dope containing 10 to 25 wt % of a polyacrylonitrile-base...
US20140315460 CARBON FIBER AND METHOD FOR PRODUCING SAME  
The present invention relates to a method for producing a carbon fiber that can be suitably used as a transparent conductive material for forming transparent flexible conductive films and the...
US20100172840 PREPARATION OF CARBON NANOTUBES WITH LANTHANOID CATALYSTS  
A lanthanoid metal catalyst for the formation carbon nanotubes from a carbon-containing gas mixture, a method for the formation of carbon nanotubes with the lanthanoid metal catalyst, endohedral...
US20130015409 GRAPHENE OXIDE SHEET, ARTICLE CONTAINING GRAPHENE-CONTAINING SUBSTANCE PRODUCED BY REDUCING THE GRAPHENE OXIDE SHEET, AND PROCESS FOR PRODUCTION OF THE GRAPHENE OXIDE SHEET  
[Means for solving] A graphene oxide sheet which changes to a substance having a graphene structure when reduced, and which is obtainable by dispersing a graphene-containing carbon substance using...
US20130251619 AGGREGATED THREAD STRUCTURE, PRODUCTION METHOD THEREOF, AND ELECTRIC WIRE USING THE SAME  
A method for producing an aggregated thread structure includes (a) a process of dispersing carbon nanotube to a first solvent, which is water or a mixed solvent containing organic solvent and...
US20130171054 Supported Catalyst for Synthesizing Multi-Wall Carbon Nanotubes and Method for Preparing the Same  
A supported catalyst for synthesizing multi-walled carbon nanotubes includes a supporting body and a metal catalyst including Fe, Co, and Mn in a mole ratio according to Equation (1):...
US20090220409 CONTINUOUS PROCESS FOR THE PRODUCTION OF CARBON NANOFIBER REINFORCED CONTINUOUS FIBER PREFORMS AND COMPOSITES MADE THEREFROM  
This invention provides a continuous process for the growth of vapor grown carbon fiber (VGCNT) reinforced continuous fiber preforms for the manufacture of articles with useful mechanical,...
US20100119435 Processes for growing carbon nanotubes in the absence of catalysts  
Processes for increasing the production rate of single-wall carbon nanotubes using a disordered carbon target are disclosed. The processes use a disordered carbon target and include vaporization...
US20140017417 TRANSPARENT CONDUCTIVE FILM, TRANSPARENT ELECTRODE SUBSTRATE AND METHOD FOR PRODUCING LIQUID CRYSTAL ALIGNMENT FILM BY USING THE SAME, AND CARBON NANOTUBE AND METHOD FOR PRODUCING THE SAME  
Problem to be Solved The present invention is a transparent conductive film characterized in that: a major component of the transparent conductive film is a single-walled carbon nanotube; the...
US20100297449 TRANSPARENT CONDUCTIVE FILM, TRANSPARENT ELECTRODE SUBSTRATE AND METHOD FOR PRODUCING LIQUID CRYSTAL ALIGNMENT FILM BY USING THE SAME, AND CARBON NANOTUBE AND METHOD FOR PRODUCING THE SAME  
The present invention is a transparent conductive film characterized in that: a major component of the transparent conductive film is a single-walled carbon nanotube; the single-walled carbon...
US20140199229 COMPOSITIONS, METHODS, AND SYSTEMS FOR SEPARATING CARBON-BASED NANOSTRUCTURES  
The present invention generally relates to compositions, methods, and systems for separating carbon-based nanostructures.
US20050123467 Systems and methods for production of carbon nanostructures  
Methods, processes, and apparatuses for the large scale synthesis of carbon nanostructures are provided. Metal catalysts having small diameter and narrow distribution of particle sizes are...
US20100221173 METHOD FOR PREPARING SINGLE WALLED CARBON NANOTUBES FROM A METAL LAYER  
Methods of preparing single walled carbon nanotubes are provided. An arrangement comprising one or more layers of fullerene in contact with one side of a metal layer and a solid carbon source in...
US20110184077 METHOD FOR DECOMPOSING POLYMER MATERIAL, METHOD FOR PRODUCING RECYCLED RESIN, AND METHOD FOR RECOVERING INORGANIC FILLER  
The present invention is a method for decomposing a polymer material by chemically decomposing a polymer material containing a first monomer and a second monomer in a mixture of the polymer...
US20100124645 Carbon nanotube film  
A carbon nanotube film includes a plurality of carbon nanotube strings and one or more carbon nanotubes. The plurality of carbon nanotube strings are separately arranged and located side by side....
US20100105834 Methods for Preparation of Graphene Nanoribbons From Carbon Nanotubes and Compositions, Thin Films and Devices Derived Therefrom  
Methods for producing macroscopic quantities of oxidized graphene nanoribbons are disclosed herein. The methods include providing a plurality of carbon nanotubes and reacting the plurality of...
US20120107221 METHOD FOR THE SYNTHESIS OF CARBON NANOTUBES ON LONG PARTICULATE MICROMETRIC MATERIALS  
The invention relates to a method for the synthesis of carbon nanotubes on the surface of a material. The invention more particularly relates to a method for the synthesis of carbon nanotubes (or...
US20100284896 Increasing the specific strength of spun carbon nanotube fibers  
A spun fiber of carbon nanotubes is exposed to ion irradiation. The irradiation exposure increases the specific strength of the spun fiber.
US20150140264 VARIABLE-DENSITY CARBON NANOTUBE FILM  
A method for making a variable-density carbon nanotube film is provided. A drawn carbon nanotube film, including a number of carbon nanotubes aligned along an aligned direction, is prepared. A...
US20090155561 SINGLE CRYSTALLINE GRAPHENE SHEET AND PROCESS OF PREPARING THE SAME  
A single-crystal graphene sheet includes a polycyclic aromatic molecule wherein a plurality of carbon atoms are covalently bound to each other, the single-crystal graphene sheet comprising between...
US20150240391 DEVICE FOR MANUFACTURING CARBON NANOTUBE FIBERS AND METHOD FOR MANUFACTURING CARBON NANOTUBE FIBERS USING SAME  
Provided is an apparatus for producing a carbon nanotube fiber. The apparatus includes: a vertical reactor having a reaction zone; an inlet through which a spinning solution is introduced into the...
US20120149551 TWO-LAYER CATALYST, PROCESS FOR PREPARING SAME AND USE FOR THE MANUFACTURE OF NANOTUBES  
A catalyst material for preparing nanotubes, especially carbon nanotubes, said material being in the form of solid particles, said particles including a porous substrate supporting two superposed...
US20080182155 Carbon nanotube, support catalyst, method of preparing the support catalyst and a fuel cell comprising the support catalyst  
Carbon nanotubes have an R value of at least 1.3, where R is defined as the ratio (ID/IG) of an integral value of D band intensity (ID) to an integral value of G band intensity (IG) in the Raman...
US20140193323 Double Wall Carbon Nanotubes and Method for Manufacturing Same  
The present invention relates to a method for manufacturing carbon nanotubes comprising: a preparatory step of a supported catalyst; a temperature-raising step of inserting the supported catalyst...
US20110274612 LIGNIN DERIVATIVE, SHAPED BODY COMPRISING THE DERIVATIVE AND CARBON FIBERS PRODUCED FROM THE SHAPED BODY  
A lignin derivative is produced from a lignin with the empirical formula L(OH)z, where L is a lignin without hydroxyl groups, OH are free hydroxyl groups bonded to L, and z is 100% of the free...
US20100247420 Pretreatment Method for the Synthesis of Carbon Nanotubes and Carbon Nanostructures from Coal and Carbon Chars  
Carbon nanostructures such as multiwalled carbon nanotubes are formed from electrolyzed coal char. The electrolyzed coal char is formed by forming a slurry of coal particles, metal catalyst and...
US20100207074 HIGHLY ACCESSIBLE, NANOTUBE ELECTRODES FOR LARGE SURFACE AREA CONTACT APPLICATIONS  
An highly porous electrically conducting film that includes a plurality of carbon nanotubes, nanowires or a combination of both. The highly porous electrically conducting film exhibits an...
US20140302322 SINGLE WALL CARBON NANOTUBE PURIFICATION PROCESS AND IMPROVED SINGLE WALL CARBON NANOTUBES  
Disclosed are methods for decapping single wall carbon nanotubes and purifying the decapped single wall carbon nanotubes. The disclosed methods include the steps of oxidizing the single wall...
US20120295091 PROCESSES FOR FABRICATING FILMS OF GRAPHENE, CARBON NANOTUBES, AND OTHER CARBON NANOSTRUCTURES ON VARIOUS TYPES OF SUBSTRATES  
Methods for producing carbon films are disclosed herein. The methods include treating a carbon nanostructure with one or more dispersing agents, filtering the solution through a filter membrane to...
US20100221531 CARBON NANOTUBE CONDUCTIVE LAYER USING SPRAY COATING AND PREPARING METHOD THEREOF  
Provided is a carbon nanotube (CNT) transparent conductive layer having a loop pattern in which a plurality of loops are at least partially connected to one another, and a fabrication method...
US20100203391 MESOPOROUS CARBON MATERIAL FOR ENERGY STORAGE  
A mesoporous carbon material formed on an electrode surface in an energy storage device, and a method of forming the same are disclosed. The mesoporous carbon material acts as a high surface area...
US20100124646 Carbon nanotube film  
A carbon nanotube film includes a plurality of first carbon nanotubes and a plurality of second carbon nanotubes. The first carbon nanotubes are orientated primarily along a same direction. The...
US20100120969 CONTINUOUS, CARBON-NANOTUBE-REINFORCED POLYMER PRECURSORS AND CARBON FIBERS  
The present invention relates to a continuous, carbon fiber with nanoscale features comprising carbon and carbon nanotubes, wherein the nanotubes are substantially aligned along a longitudinal...
US20130302238 CONTINUOUS MANUFACTURING APPARATUS AND METHOD FOR CARBON NANOTUBES HAVING GAS SEPARATION UNITS  
The present invention relates to a continuous manufacturing apparatus for a carbon nanotube having gas separation units and a continuous manufacturing method for a carbon nanotube using the same,...
US20120252297 CARBON NANOTUBE FIBERS/FILAMENTS FORMULATED FROM METAL NANOPARTICLE CATALYST AND CARBON SOURCE  
Disclosed is a method of: providing a mixture of a polymer or a resin and a transition metal compound, producing a fiber from the mixture, and heating the fiber under conditions effective to form...
US20110280793 CARBON NANOTUBE FIBERS/FILAMENTS FORMULATED FROM METAL NANOPARTICLE CATALYST AND CARBON SOURCE  
Disclosed is a method of: providing a mixture of a polymer or a resin and a transition metal compound, producing a fiber from the mixture, and heating the fiber under conditions effective to form...
US20110121227 CARBON NANOTUBE FIBERS/FILAMENTS FORMULATED FROM METAL NANOPARTICLE CATALYST AND CARBON SOURCE  
Disclosed is a method of: providing a mixture of a polymer or a resin and a transition metal compound, producing a fiber from the mixture, and heating the fiber under conditions effective to form...
US20100291759 COMPLEXES OF CARBON NANOTUBES AND FULLERENES WITH MOLECULAR-CLIPS AND USE THEREOF  
Separation of carbon nanotubes or fullerenes according to diameter through non-covalent pi-pi interaction with molecular clips is provided. Molecular clips are prepared by Diels-Alder reaction of...
US20100266806 ANTI-INTRUSION BEAM FOR VEHICLE DOOR ASSEMBLY  
One exemplary embodiment of an anti-intrusion beam for a vehicle door assembly may include a composite material. The composite material includes a fiber reinforcement with multiple fibers. The...
US20100119436 PURIFICATION METHOD FOR CARBON MATERIAL CONTAINING CARBON NANOTUBES, CARBON MATERIAL PRODUCED BY THE SAME METHOD, AND RESIN MOLDING, FIBER, HEAT SINK, SLIDER, MATERIAL FOR FIELD ELECTRON EMISSION SOURCE, CONDUCTION AID FOR ELECTRODE, CATALYST SUPPORT......  
A purification method for a carbon material containing carbon nanotubes is provided, which satisfies the following requirements: The method should prevent carbon nanotubes from being damaged,...
US20130222975 METHOD OF PURIFYING CARBON NANOTUBES AND APPLICATIONS THEREOF  
The present invention relates to a method of preparing purified carbon nanotubes (CNTs) comprising mixing starting CNTs with an organic solvent in the presence of sonication; substantially...
US20130101494 Hydrophilic Silicone Copolymers Useful In Carbon Fiber Production  
Robust oiling agent compositions for use in preparing carbon fibers from acrylic polymer carbon fiber precursors contain at least one silicone copolymer minimally containing an organopolysiloxane...
US20130011612 EMBEDDED NANOPARTICLE FILMS AND METHOD FOR THEIR FORMATION IN SELECTIVE AREAS ON A SURFACE  
The invention is directed to a method of positioning nanoparticles on a patterned substrate. The method comprises providing a patterned substrate with selectively positioned recesses, and applying...
US20120148474 EMBEDDED NANOPARTICLE FILMS AND METHOD FOR THEIR FORMATION IN SELECTIVE AREAS ON A SURFACE  
The invention is directed to a method of positioning nanoparticles on a patterned substrate. The method comprises providing a patterned substrate with selectively positioned recesses, and applying...
US20100282668 FUSED NANOSTRUCTURE MATERIAL  
Disclosed herein is a nanostructured material comprising carbon nanotubes fused together to form a three-dimensional structure. Methods of making the nanostructured material are also disclosed....

Matches 251 - 300 out of 358 < 1 2 3 4 5 6 7 8 >