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WO/2020/232321A1 |
Methods for characterizing a nanotube formulation with respect to one or more particular ionic species are disclosed. Within the methods of the present disclosure, this characterization provides control over the surface roughness (or smo...
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WO/2020/229282A1 |
The invention relates to a method for making a carbon fibre from a paper product. Said method comprises preparing a cellulose-based fibre by crushing the paper product, dissolving the crushed material obtained in an aqueous phosphoric ac...
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WO/2020/224431A1 |
Provided are an aeolotropic layered carbon-fiber-based aerogel material and a preparation method therefor. The method for preparing the aeolotropic layered carbon-fiber-based aerogel material comprises: mixing a polymer solution, an inor...
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WO/2020/223614A1 |
The present disclosure relates to a process for producing one or more carbon fiber precursor fibers, particularly by spinning a polymer solution, wherein the polymer has a polydispersity (PDI) of less than or equal to 2, in a coagulation...
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WO/2020/216988A1 |
Apparatuses and a method for gas phase deposition of high aspect ratio molecular structures, HARM-structures, are presented. The first aspect relates to an apparatus configured for oriented gas phase deposition of HARM-structures on a fi...
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WO/2020/213332A1 |
Provided is a metal titanate that is useful as a filler for a polymer composite piezoelectric body. The metal titanate has an aspect ratio of 2 or more, and has a c-axis to a-axis (c/a ratio) in a crystal lattice of 1.005 or more.
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WO/2020/203390A1 |
Provided is a carbon-fiber-precursor fiber bundle obtained by combining a plurality of at least two flat carbon-fiber-precursor filaments, wherein: a degree of interlacement of the carbon-fiber-precursor filaments as determined by the ho...
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WO/2020/206339A1 |
An AC-electrospinning system and a method are provided for fabricating inorganic fiber tubular structures. The AC-electrospinning system preferably uses an electrode system that comprises an electrical charging component electrode and at...
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WO/2020/205562A1 |
The present disclosure relates to a process for producing homogeneous solutions comprising dissolved polyacrylonitrile-based polymer, and a system suitable therefor. The homogeneous polymer solutions produced by the process described her...
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WO/2020/203531A1 |
The present invention enables the production of a polyacrylonitrile-based carbon fiber bundle that is stable in terms of quality by suppressing adhesion of fine particles to a flame-proof fiber bundle. For the purpose of achieving the ab...
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WO/2020/198171A1 |
An example method includes providing coal and extracting the graphene from the coal. The graphene may be extracted using any suitable technique, such as the Hummers method, a modified Hummers method, or exfoliation of graphite. The graph...
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WO/2020/195476A1 |
This invention addresses the problem of providing a carbon fiber bundle production method and carbon fiber bundles that suppress the incursion of process oil into the fiber surface layer and that can suppress adhesion between carbon fibe...
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WO/2020/190949A1 |
Embodiments of methods for improving mesophase pitch for carbon fiber production using supercritical carbon dioxide are described. The methods improve the relative amount and quality of mesophase pitch in feedstocks, such as coal tar, al...
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WO/2020/189029A1 |
In order to efficiently generate high-quality flame-resistant fiber bundles and carbon fiber bundles with uniform physical properties without operation problems, a flame resistance heat treatment oven comprises: a heat treatment chamber ...
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WO/2020/184664A1 |
This carbon electrode material is made from carbon fibers (A), graphite particles (B), and a carbon material (C) for binding the carbon fibers (A) and the graphite particles (B), and satisfies the following conditions: (1) if the size of...
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WO/2020/178149A1 |
What is described is a method of irradiating and oxidatively thermally stabilizing PAN fibres for production of a precursor fibre of carbon fibres. This method is characterized in that PAN fibres that are especially intended for textiles...
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WO/2019/093822A9 |
A carbon composite preparation method according to an embodiment of the present invention comprises the steps of: depositing a metal precursor on the surface of an organic material to form a metal oxide layer; and subjecting the metal ox...
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WO/2020/158529A1 |
The purpose of the present invention is to obtain a continuous carbon fiber bundle package which is excellent at being stored in a container and has excellent handling properties when a continuous carbon fiber bundle is withdrawn from th...
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WO/2020/158845A1 |
The present invention provides a porous carbon fiber which has an excellent permeation amount and excellent pressure resistance, is prevented from the occurrence of detachment or cracking at an interface, and can exhibit excellent proper...
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WO/2020/149150A1 |
The present invention provides: a cellulose nanofiber carbon which is able to have an increased specific surface area, while having stretchability and high mechanical strength; and a method for producing this cellulose nanofiber carbon. ...
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WO/2020/146934A1 |
An integrated process that is operated to create both a higher value pipelineable crude and a higher value carbon fiber product from a lower value common heavy hydrocarbon feedstock where the feedstock is processed in a thermal reactor f...
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WO/2020/124018A1 |
Systems and methods for the formation and/or growth of elongated carbon-based nanostructures on copper-containing substrates, are generally described. Inventive articles comprising elongated carbon-based nanostructures and copper-contain...
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WO/2020/116877A1 |
Disclosed are a carbon substrate for a fuel cell gas diffusion layer, a gas diffusion layer comprising same, a gas diffusion layer employing same, a fuel cell electrode, a fuel cell membrane electrode assembly, and a fuel cell, the carbo...
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WO/2020/113724A1 |
Provided is a method for preparing a chiral metal nano spiral fiber array capable of achieving fine structure regulation and not leaving organic matter such as templates; the method for preparation comprises the following steps: step S1:...
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WO/2020/110632A1 |
A method for producing a flame-proof fiber bundle, comprising subjecting a paralleled acrylic fiber bundle 2 to a heat treatment in an oxidative atmosphere while folding back the acrylic fiber bundle 2 with guide rollers 4 respectively a...
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WO/2020/100714A1 |
A method for producing a flame-resistant fiber bundle in which an aligned acrylic fiber bundle 2 is heat-treated in a heat treatment chamber 3, in which hot air is circulated, while running on folding rollers 5 arranged at both ends outs...
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WO/2020/097948A1 |
Disclosed is a method for carbonization using a gallium metal, comprising the following steps: immersing a material to be carbonized in a liquid gallium metal, such that the material is insulated from the air; and heating same, such that...
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WO/2020/102735A1 |
The present disclosure relates to the production of polyacrylonitrile-based polymers with high conversion by a process comprising reacting acrylonitrile with at least one comonomer in the presence of a radical initiator in a liquid mediu...
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WO/2020/093388A1 |
A conductive nanofibrillated cellulose (NFC) thread and a NFC-thread-based supercapacitor, wherein the conductive NFC thread comprises a core of aligned cellulose nanofibrils and a conductive coating on the core, and the NFC-thread-based...
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WO/2020/091511A1 |
The present invention relates to a method for manufacturing an acrylonitrile-based copolymer for a carbon fiber, the method comprising the steps of: preparing a reaction solution containing a monomer mixture and an organic solvent, the m...
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WO/2020/091524A1 |
The present invention relates to an acrylonitrile-based copolymer for carbon fiber, comprising a sulfonate-based monomer unit, a carboxylic acid-based monomer unit and an acrylonitrile-based monomer unit, wherein the acrylonitrile-based ...
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WO/2020/090597A1 |
The present invention addresses the problem of providing: a method for producing carbon fiber precursor fibers that is capable of spinning without rupture of the spinning solution extruded from a spinneret in an air gap section or ruptur...
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WO/2020/080238A1 |
Provided is a carbon fiber bundle for which it is possible to establish both excellent chop-ability during chopping and fiber separation and which can be used favorably particularly in production of SMC. This carbon fiber bundle comprise...
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WO/2020/074623A1 |
The invention relates to a method for stabilizing precursor fibers for producing carbon fibers. The method has the following steps: continuously introducing, guiding, and discharging precursor fibers into, through, and out of a processin...
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WO/2020/071655A1 |
The present invention provides a process for preparing a yarn, which comprises introducing a raw material that comprises a carbon source and a catalyst into a reaction chamber having a heating means, converting the carbon source into a p...
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WO/2020/071445A1 |
Provided is a precursor fiber bundle production method capable of producing carbon fiber bundles, which can be mass produced and with which high tensile strength is obtained and there is little fiber bundle strand splitting. The precurso...
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WO/2020/069195A1 |
The present disclosure relates to the control of the degree of swelling of polymer fiber, such as polymer fiber used in the manufacturing of composite materials, by control of the pH of the coagulation bath during spinning.
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WO/2020/066653A1 |
A method of manufacturing a stabilized fiber bundle comprises causing an acrylic fiber bundle 2, formed by drawing and aligning a plurality of bundles adjacent to each other, to travel in a hot-air heating stabilization furnace 1 and be ...
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WO/2020/059867A1 |
[Problem] Provided is an opened carbon fiber bundle having a satisfactory fiber opening state and excellent resin impregnating ability. [Solution] This opened carbon fiber bundle is provided with a carbon fiber bundle comprising a plural...
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WO/2020/045243A1 |
With the present invention a carbon fiber aggregate is provided that has an average fiber diameter of 100-1000 nm, and a fiber diameter variation coefficient (CV value) greater than 0.5 and less than or equal to 1.0.
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WO/2020/036356A1 |
Provided is a carbon fiber that has an average fiber diameter of 1-100 μm and is a product obtained by spinning a solution of chlorinated polyvinyl chloride to obtain a chlorinated polyvinyl fiber, elongating the chlorinated polyvinyl f...
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WO/2020/037334A1 |
A method of producing carbon nanofibers is disclosed that substantially impacts the carbon nanofibers' chemical and physical properties. Such carbon nanofibers include a semi-graphitic carbon material characterized by wavy graphite plane...
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WO/2020/032067A1 |
A crystalline silicon carbide fiber is provided that contains silicon carbide and boron nitride, the content of Si being 64-72 wt%, the content of C being 28-35 wt%, and the content of B being 0.1-3.0 wt%. The crystalline silicon carbide...
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WO/2020/032684A1 |
Provided are a graphene wet spinning coagulation bath and a method of manufacturing a graphene oxide fiber using the same. The method of manufacturing a graphene oxide fiber of the disclosure includes preparing a graphene oxide dispersio...
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WO/2020/028611A1 |
A curing process includes providing a hybrid material comprising a conductive filler in contact with a thermosetting resin. In addition, the curing process includes passing an electric current through the hybrid material to provide Joule...
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WO/2020/028624A1 |
The present disclosure relates to a method for determining the degree of swelling of polymer fiber, such as polymer fiber used in the manufacturing of composite materials, using infrared spectroscopy, notably near-infrared spectroscopy.
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WO/2020/022724A1 |
The present invention relates to a carbon fiber carbonizing apparatus using a microwave, the carbonizing apparatus comprising: a carbonization furnace into which a microwave is radiated from an irradiation unit disposed in one side there...
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WO/2020/016067A1 |
The present invention relates to a method for producing atomic metal (M)- and N-doped open-mesoporous carbon nanofibers, atomic M- and N-doped open-mesoporous carbon nanofibers produced by said method, the use of said atomic M- and N-dop...
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WO/2020/016258A1 |
A carbon fibre textile material, a method for manufacturing the same and devices comprising these carbon fibre textile materials are described.
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WO/2020/012100A1 |
The invention relates to a carbon fibre prepared from cellulose, which has good tensile mechanical properties, in particular a Young's modulus greater than or equal to 85 GPa and a breaking stress greater than or equal to 1800 MPa, and a...
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