Matches 151 - 200 out of 358 < 1 2 3 4 5 6 7 8 >


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US20080118426 Varied morphology carbon nanotubes  
The present invention describes the preparation of carbon nanotubes of varied morphology, catalyst materials for their synthesis. The present invention also describes reactor apparatus and methods...
US20110280792 CARBON NANOMATERIALS PRODUCED FROM HEAVY OIL FRACTIONS AND METHOD FOR PRODUCING SAME  
The present invention relates to a method for producing carbon nanoparticles from heavy petroleum fractions as the carbon source (precursor), particularly aromatic oil residue (RARO) by chemical...
US20110223094 METHOD FOR SYNTHESIS OF HIGH QUALITY GRAPHENE  
A method is described herein for the providing of high quality graphene layers on silicon carbide wafers in a thermal process. With two wafers facing each other in close proximity, in a first...
US20140099505 COMPOSITIONS INCLUDING ESTERIFIED LIGNIN AND POLY(LACTIC ACID) AND CARBON FIBERS PRODUCED THEREFROM  
The present invention relates to compositions comprising esterified lignin and poly(lactic acid). In various embodiments, the present invention provides fibers comprising the esterified lignin and...
US20150093322 METHOD FOR PURIFYING MULTI-WALLED CARBON NANOTUBES  
A method comprising adding a multi-walled carbon nanotube synthesized by the vapor phase process to a nitric acid aqueous solution of not lower than 0.2 mol/L so as to dissolve a catalyst metal...
US20110262341 PROCESS FOR PREPARATION OF CARBON NANOTUBES FROM VEIN GRAPHITE  
A catalyst free process for manufacturing carbon nanotubes by inducing an arc discharge from a carbon anode and a carbon cathode in an inert gas atmosphere contained in a closed vessel. The...
US20070116627 Carbon nanotube compositions and devices and methods of making thereof  
In one embodiment, a stable aqueous solution contains carbon nanotubes non-covalently functionalized with organic electro-optically active molecules, such as planar, anionic porphyrin molecules. A...
US20070218343 Gas diffusion media and fuel cell  
Diffusion media for fuel cell is made by preparing an aqueous dispersion comprising a powder resin, a binder material, and a fiber material comprising carbon fibers, of these; forming a layer of...
US20140056800 High Purity Carbon Nanotube, Process For Preparing The Same And Transparent Conductive Film Using The Same  
Problem To provide a process for producing single-walled carbon nanotubes with which highly pure, high-quality single-walled carbon nanotubes can be produced with high efficiency, and to provide a...
US20090001326 Aggregate of carbon nanotubes, dispersion thereof and conductive film using the same  
Provided is an aggregate of carbon nanotubes satisfying (1) there is a 2θ peak at 24°±2° by X-ray powder diffraction analysis; (2) a height ratio (G/D ratio) of G band to D band by Raman...
US20050118092 Apparatus and method for inducing electrical property changes in carbon nanotubes  
An apparatus and process for fabricating carbon nanotubes (“CNTs”) with specific diameters and morphologies, comprising a vacuum system, CNT holder and microwave source adapted for directing a...
US20100129654 Carbon nanotube yarn and method for making the same  
A carbon nanotube yarn includes a number of carbon nanotube yarn strings bound together, and each of the carbon nanotube yarn strings includes a number of carbon nanotube bundles that are joined...
US20110110843 NEAT CARBON NANOTUBE ARTICLES PROCESSED FROM SUPER ACID SOLUTIONS AND METHODS FOR PRODUCTION THEREOF  
Articles comprising neat, aligned carbon nanotubes and methods for production thereof are disclosed. The articles and methods comprise extrusion of a super acid solution of carbon nanotubes...
US20130028829 SYSTEM AND METHOD FOR GROWTH OF ENHANCED ADHESION CARBON NANOTUBES ON SUBSTRATES  
Disclosed herein is a method of growth of enhanced adhesion MWCNTs on a substrate, referred to as the HGTiE process, the method comprising: chemical vapor deposition of an adhesive underlayer...
US20130104665 STRAIN SENSORS, METHODS OF MAKING SAME, AND APPLICATIONS OF SAME  
In one aspect, the present invention relates to a layered structure usable in a strain sensor. In one embodiment, the layered structure has a substrate with a first surface and an opposite, second...
US20090008610 PROCESS FOR PRODUCING CARBON NANOTUBES FROM RENEWABLE RAW MATERIALS  
A subject of the present invention is a process for producing carbon nanotubes, the process comprising: a) the synthesis of alcohol(s) by fermentation of at least one vegetable matter and...
US20100081351 Fabrication method for porous carbon fibers  
Disclosed is a method for fabrication of porous carbon fibers. More particularly, the method for fabrication of porous carbon fibers comprises the steps of: processing starch to prepare a gelled...
US20140301934 PYROLYSIS AND GASIFICATION SYSTEMS, METHODS, AND RESULTANTS DERIVED THEREFROM  
A process and system for the controlled thermal conversion of a carbonaceous feedstock, including: exposing the feedstock to one or more predetermined temperatures and one or more predetermined...
US20110256401 PROCESS FOR PRODUCING CARBON NANOTUBES AND CARBON NANOTUBES PRODUCED THEREBY  
A process of producing a composite having carbon nanotubes is described where the carbon nanotube formation process of producing carbon nanotubes includes controlled heating of plant fiber...
US20120107610 DOUBLE-WALLED CARBON NANOTUBES AND METHODS FOR PRODUCTION AND APPLICATION  
The present invention relates to fullerene carbon nanotubes having a cylindrical wall comprising a double layer of carbon atoms and methods for the production and application of these double-wall...
US20100189628 METHOD FOR DISENTANGLEMENT OF CARBON NANOTUBE BUNDLES  
Bundled carbon nanotubes are disentangled and dispersed using the principles of extreme pressure reduction of fluids carrying the bundled nanotubes. They are added to a high pressure fluid...
US20090176100 VAPOR-GROWN CARBON FIBER AND PRODUCTION PROCESS THEREOF  
The present invention provides a process for producing a vapor-grown carbon fiber by supplying a raw material at least containing a carbon source and a catalyst and/or catalyst precursor compound...
US20120157298 PROCESS FOR PRODUCING CARBON NANOFIBRES AND/OR CARBON NANOTUBES  
The invention is directed to a process for producing carbon nanofibres and/or carbon nanotubes, which process comprises pyrolysing a particulate cellulosic and/or carbohydrate substrate that has...
US20150094401 Carbon Fiber Bundle and Method of Producing Carbon Fibers  
Provided are carbon fibers which have a thicker single fiber fineness of the polyacrylonitrile-based precursor fiber bundles and lower production costs, and which have excellent mechanical...
US20130343982 PROCESS FOR MAKING MULTI-WALLED CARBON NANOTUBES AND MULTI-WALLED CARBON NANOTUBES FORMED THEREFROM  
A process for making multi-walled carbon nanotubes includes contacting a hydrocarbon-containing gas with an electron beam-treated fly ash catalyst. The electron beam-treated fly ash catalyst...
US20140271442 POLYMER DERIVED FROM ACRYLONITRILE  
This invention relates to poly(acrylonitrile) homo- or co-polymer having a number average molecular weight (Mn) of at least 200,000 g/mol and a dispersity () of less than 1.3
US20100314587 Halogen containing-polymer nanocomposite compositions, methods, and products employing such compositions  
The disclosure provides compositions prepared by combining nanomaterials with a halide-containing polymer, thereby forming a combined polymer matrix having dispersed nanomaterials within the...
US20100196249 Aligned carbon nanotube bulk aggregate, process for producing the same and uses thereof  
An aligned carbon nanotube bulk structure capable of attaining high density and high hardness not found so far. The aligned carbon nanotube bulk structure has a plurality of carbon nanotubes...
US20110006266 CATALYST FOR PREPARING CARBON NANOTUBES BY CONTROLLING ITS APPARENT DENSITY  
The present invention relates to a catalyst for preparing a carbon nanotube having desired apparent density by controlling the adding amount of co-precipitating agent in the process of preparing a...
US20140370282 METHOD OF PRODUCING CARBON FIBERS  
Provided is a method of efficiently producing carbon fibers that can impart sufficient electrical or thermal conductivity to a material even by the addition of a small amount of the carbon fibers....
US20120065300 CNT-INFUSED FIBER AND METHOD THEREFOR  
A carbon nanotube-infused fiber and a method for its production are disclosed. Nanotubes are synthesized directly on a parent fiber by first applying a catalyst to the fiber. The properties of the...
US20100297389 MESOPOROUS CARBON MATERIALS  
The invention is directed to a method for fabricating a mesoporous carbon material, the method comprising subjecting a precursor composition to a curing step followed by a carbonization step, the...
US20100221535 PLATELET-TYPE SLIT-INCORPORATED VAPOR GROWN CARBON FIBER AND PRODUCTION METHOD THEREOF  
A method for producing a platelet type slit-incorporated vapor grown carbon fiber by bringing raw materials into contact with a catalyst in a heating zone, wherein the raw materials contain at...
US20060257309 Carbon fiber, method for producing the same and apparatus therefor  
An object of the present invention is to provide a method and apparatus for heat-treating carbon fiber, in which impairment of a furnace caused by solidification of a transition metal impurity...
US20110024697 Methods of Producing Carbon Nanotubes and Applications of Same  
The present invention in one aspect relates to a method for producing carbon nanotubes. In one embodiment, the method includes the steps of forming a substrate, depositing a loading amount of...
US20110311430 PROCESS FOR PRODUCTION OF PRECURSOR FIBER FOR PREPARING CARBON FIBER HAVING HIGH STRENGTH AND HIGH ELASTIC MODULUS  
The present invention provides a process for producing a precursor fiber which can provide a carbon fiber having high strength and high elastic modulus. The process of the present invention...
US20120040186 Process For Preparing Catalyst Composition For The Synthesis Of Carbon Nanotube With High Yields Using The Spray Pyrolysis Method  
The present invention relates to a process for preparing catalyst composition for the synthesis of carbon nanotube with high yields using the spray pyrolysis method. More particularly, this...
US20120107594 Nanotube Film Electrode and an Electroactive Device Fabricated with the Nanotube Film Electrode and Methods for Making Same  
Disclosed is a single wall carbon nanotube (SWCNT) film electrode (FE), all-organic electroactive device systems fabricated with the SWNT-FE, and methods for making same. The SWCNT can be replaced...
US20100202957 ACTIVATED CARBON FIBERS AND ENGINEERED FORMS FROM RENEWABLE RESOURCES  
A method of producing activated carbon fibers (ACFs) includes the steps of providing a natural carbonaceous precursor fiber material, blending the carbonaceous precursor material with a chemical...
US20150184317 METHOD OF PREPARING CARBON FIBERS  
A method of producing carbon fiber, yarns, and nonwoven carbon fiber cloths, includes forming suitable polymeric precursor microfibers and/or nanofibers using a centrifugal spinning process and...
US20100202958 POROUS FILAMENTOUS NANOCARBON AND METHOD OF FORMING THE SAME  
A method for forming a porous filamentous nanocarbon involves radially forming a tunnel-like mesopore from an outer periphery toward the central axis of a filamentous nano carbon by attaching a...
US20140308517 Continuous graphitic fibers from living graphene molecules  
A unitary graphene-based continuous graphitic fiber comprising at least 90% by weight of graphene planes that are chemically bonded with one another having an inter-planar spacing from 0.3354 to...
US20140217643 CARBON NANOTUBE FIBER AND METHOD FOR PRODUCING THE SAME  
There are provided carbon nanotube fibers having excellent mechanical property and a method for producing the same. In a long carbon nanotube fiber 11 in which a plurality of carbon nanotubes 12...
US20140141248 METHOD FOR PRODUCING SOLID CARBON BY REDUCING CARBON OXIDES  
A method for production of various morphologies of solid carbon product by reducing carbon oxides with a reducing agent in the presence of a catalyst. The carbon oxides are typically either carbon...
US20120034150 Method for Producing Solid Carbon by Reducing Carbon Oxides  
A method for the production of various morphologies of solid carbon product by reducing carbon oxides with a reducing agent in the presence of a catalyst. The carbon oxides are typically either...
US20100074833 Catalyst Body For Production of Brush-Shaped Carbon Nanostructure, Process for Producing Catalyst Body, Brush-Shaped Carbon Nanostructure, and Process for Producing the Same  
It is intended to highly efficiently produce a high-density brush-shaped carbon nanostructure useful in the production of CNT assembly, such as rope-shaped CNTs, and provide a catalyst body for...
US20080274036 MICROSTRUCTURED CATALYSTS AND METHODS OF USE FOR PRODUCING CARBON NANOTUBES  
Methods for producing microstructured catalytic substrates and microstructured catalytic substrates produced by the methods, and methods for growing single-walled carbon nanotubes on the...
US20130101495 SYSTEMS AND METHODS FOR CONTINUOUSLY PRODUCING CARBON NANOSTRUCTURES ON REUSABLE SUBSTRATES  
A system includes a reusable substrate upon which a carbon nanostructure is formed as a carbon nanostructure-laden reusable substrate, a first conveyor system adapted to continuously convey the...
US20090215953 SHORT, FUNCTIONALIZED, SOLUBLE CARBON NANOTUBES, METHODS OF MAKING SAME, AND POLYMER COMPOSITES MADE THEREFROM  
In some embodiments, the present invention relates to new processes to simultaneously shorten and functionalize raw or purified carbon nanotubes to improve their dispersity and processibility, and...
US20100310446 Carbon and Electrospun Nanostructures  
The present invention is directed to the production of nanostructures, e.g., single wall carbon nanotubes (“SWNT”) and/or multi wall carbon nanotubes (“MWNT”), from solutions containing a polymer,...

Matches 151 - 200 out of 358 < 1 2 3 4 5 6 7 8 >