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JP2024004949A |
The present invention provides a carbon fiber that provides improved composite strength. [Solution] A carbon fiber for a carbon fiber reinforced composite material, in which the degree of crystal orientation C (%) of the carbon fiber mea...
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JP7413993B2 |
The present invention provides a porous carbon fiber which has an excellent permeation amount and excellent pressure resistance, which is prevented from the occurrence of detachment or cracking at an interface, and which can exhibit exce...
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JP2024003966A |
The present invention provides a carbon fiber bundle, a method for producing the carbon fiber bundle, and a carbon fiber reinforced composite material that has high adhesiveness to a resin composition without reducing strand strength and...
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JP2024003984A |
[Problem] To improve the strength of cellulose. A polymer composite cellulose includes cellulose and an aromatic polymer attached to the surface of the cellulose. The aromatic polymer attached to the surface of cellulose has a crosslinke...
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JP2024004010A |
The present invention provides a technology for improving at least one of electrical conductivity and thermal conductivity in a composite fiber having carbon nanotubes. [Solution] A composite fiber includes a fiber and a carbon nanotube ...
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JP7410967B2 |
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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JP2024500787A |
The present disclosure generally relates to a method for making polymer fibers, typically polyacrylonitrile-based fibers, the morphology of which involves forming a polymer blend with polyacrylonitrile using a polymer additive, and then ...
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JP7409363B2 |
The present invention can provide a fiber having a further enhanced strength while serving as a ceramic fiber. To this end, a composite fiber according to the present invention a first fiber component member made of a material having a v...
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JP7408406B2 |
To provide a manufacturing method capable of producing, with high productivity, a carbon fiber bundle manufactured by connecting an upstream precursor fiber bundle and a downstream precursor fiber bundle via a connecting fiber bundle.The...
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JP2023554303A |
[summary] High temperature resistant inorganic fibers include 72-77.3 wt% silica, 10.2-15 wt% magnesia, 12.4-17 wt% calcia, 0-1.5 wt% alumina, and 0-0.6 wt% total comprising an alkali oxide, said fiber has a use temperature of at least 1...
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JP7405727B2 |
To provide a carbon material precursor that suppresses the fusion between acrylamide polymers during flameproofing treatment.A carbon material precursor contains an acrylamide polymer and a silicone oil solution attached to the acrylamid...
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JP7405306B2 |
A flame-resistant polyphenylene ether molded body according to the present invention has a minimum value (%/ºC) of -0.40%/ºC to -0.10%/ºC in the differential thermogravimetric curve in the range of 400-550ºC.
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JP2023553734A |
The present invention discloses a method for producing starch nanofibers by electrospinning method. In the method, a debranched high amylose solution is used as a raw material, shear homogenized to obtain a spinning solution, and starch ...
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JP7402631B2 |
To provide a low-cost mixture that is excellent in handleability and can randomly orient microfine carbon fibers without performing any special operation when used as a conductive additive.There is provided an ultrafine carbon fiber mixt...
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JP2023553491A |
A method of manufacturing an electrically conductive conductor strand (1) comprising at least one carbon conductor (3), the method comprising: a) producing or providing a conductor strand (1) as an intermediate product comprising at leas...
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JP7402934B2 |
A manufacturing method for a carbon fiber includes the following steps. A first monomer and a second monomer are dissolved in a first solvent, and a polymerization reaction is performed to form a copolymerized polymer, in which the first...
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JP2023552944A |
The present invention relates to a method of manufacturing carbon nanotube structures having substantially oriented carbon nanotubes (CNTs) and a temperature-controlled flow-through reactor. [Selection diagram] None
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JP2023174468A |
To provide a carbon fiber precursor that maintains an excellent carbonization yield, has excellent ability to suppress fusion between fibers, and has excellent water resistance, a method for producing a carbon fiber precursor, a method f...
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JP7390319B2 |
The invention relates to a method and to a device for stabilizing precursor fibers for the production of carbon fibers. In the method, precursor fibers are first heated to a first temperature and held at the temperature for a predefined ...
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JP7388193B2 |
Disclosed is a carbon fiber bundle wherein a relationship among a crystallite size Lc (nm), a single-fiber compressive strength Fc (GPa) measured by a compressive fragmentation method of single-fiber composites, and an initial modulus E0...
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JP2023167827A |
To provide a manufacturing method of a zirconia continuous fiber having excellent heat resistance.A disclosed manufacturing method includes: a first step of forming a precursor having excellent continuous spinnability by partial hydrolyt...
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JP7383953B2 |
To provide a carbon fiber precursor fiber bundle that allows the production of a carbon fiber bundle that has excellent process passability and expresses excellent strand tensile strength even when the carbon fiber precursor fiber bundle...
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JP7377564B2 |
Disclosed in the present invention are a preparation method for a graphene oxide fiber, and fiber obtained thereby. A polyelectrolyte is prepared into a spinning stock solution by means of a wet spinning method, graphene oxide is added i...
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JP2023163084A |
To provide a manufacturing method of polyacrylonitrile fiber high in process stability, the polyacrylonitrile fiber having superior physical properties as a precursor for manufacturing a carbon fiber that has few defects in a surface or ...
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JP7376230B2 |
To provide a mesophase pitch-containing fiber bundle becoming an intermediate raw material for effectively manufacturing an ultrafine carbon fiber small in fiber diameter and excellent in crystallinity, a stabilized mesophase pitch-conta...
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JP2023159481A |
To provide a quartz glass milled fiber low in thermal expansion coefficient, and dielectric tangent, and having reliability.A quartz glass milled fiber is a pulverized product of a quartz glass fiber containing 95 mass% or more of SiO2 h...
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JP2023157891A |
To provide a fiber structure which has good communicating property and has advantages in permeation of solutions and cells, and capable of easily controlling its structure based on a condition setting on manufacturing, and a manufacturin...
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JP7368923B2 |
The invention concerns a method for producing a carbon fibre, that comprises a step of preparing a continuous fibre made of cellulose from cotton fabrics, by extracting, from these fabrics, cotton in the form of short, discontinuous fibr...
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JP7368283B2 |
A manufacturing method and a manufacturing apparatus have high yields. The manufacturing method is a method for manufacturing a carbon fiber electrode substrate (3a) by feeding an oxidized fiber substrate (1a) through a carbonization fur...
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JP2023544099A |
Described herein are apparatus and methods for tensioning carbon nanotube films. Described herein are apparatus and methods for transferring carbon nanotube films from a first frame to a second frame. Exemplary methods include deforming ...
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JP2023151264A |
To provide: a carbon porous body which is formed of carbon fibers intertwined with each other and has a low bulk density and a high porosity; and a method for simply and inexpensively manufacturing such a carbon porous body.A carbon poro...
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JP7360244B2 |
To provide a manufacturing method of a high-strength carbon fiber at low cost.The manufacturing method of a carbon fiber contains a flameproofing step of flameproofing a precursor fiber to obtain a flameproof fiber and a carbonization st...
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JP2023146345A |
To provide a carbon fiber bundle that can exhibit high strength without reducing the elastic modulus despite increasing the diameter of single fiber, and to provide a method for producing carbon fiber bundle.Provided is a carbon fiber bu...
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JP2023146344A |
To provide a carbon fiber bundle that has a large fiber diameter and a well-balanced physical property between strand elastic modulus and strand strength, and to provide a method for producing carbon fiber bundle.Provided is a carbon fib...
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JP7359405B2 |
A method for manufacturing a carbon fiber is provided which involves: (1) immersing a carbon fiber composite material (CFC) in an acidic aqueous solution to elute at least a part of a resin component of the CFC, to thereby obtain a subst...
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JP7358793B2 |
To provide a method for producing a carbon fiber bundle having good productivity and developing an excellent strand elastic modulus.A method for producing a high-modulus carbon fiber bundle in which a raw material carbon fiber bundle obt...
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JP2023542070A |
The present invention provides at least 0.1% by weight of crystalline ZrO2ZrO with a content of2Regarding reinforced mullite fibers, said mullite fibers are distinguished by significantly improved mechanical properties compared to unmodi...
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JP7354840B2 |
A method of manufacturing a stabilized fiber bundle, including travelling an acrylic fiber bundle 2 obtained by adjacently aligning a plurality of bundles, in a hot air heating-type oxidation oven 1, with the acrylic fiber bundle being c...
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JP2023133739A |
To provide a carbon fiber bundle with a small tow width variation even in the carbon fiber bundle having a large filament diameter, and with a good handling property during high-order processing.The carbon fiber bundle has a single fiber...
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JP7350134B2 |
A porous reduced silica fiber material has a diameter of about 0.1 to about 20 microns and a surface area of about 5 m2/g to about 400 m2/g. The porous reduced fiber material may be used to form an electrode having a high capacity and im...
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JP7348896B2 |
Disclosed is a lignin that is soluble in a medium having a pH greater than or equal to 4, a solution containing same, a method for producing same, and uses thereof, in particular for preparing lignin fibers and carbon fibers. Soluble lig...
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JP2023539918A |
The present invention relates to nickel-based alloy materials. This nickel-based alloy material is in weight percentages: Chromium: 20.00~22.50%, Molybdenum: 11.50~14.50%, Iron: 2.00~6.00%, Copper: 2.10~6.00%, Tungsten: 2.50~3.00%, Cobal...
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JP2023129990A |
To provide a carrier and heat treatment equipment which enable treatment capacities thereof to be easily improved, and enable non-uniformity of heat treatment thereof to be suppressed.A carrier 3 is used for conveying a direct treatment ...
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JP7346551B2 |
A high-strength hyaluronate fiber, suitable for use in a surgical suture, a lifting thread, a tissue-engineering scaffold, etc., and a manufacturing method thereof are proposed. The method includes (a) controlling a water content of a hy...
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JP2023539572A |
Polymers comprising alginates ionically crosslinked by polyvalent cations crosslinked with unsubstituted dicarboxylates, products comprising such polymers, and methods of making them.
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JP2023539465A |
Polymers comprising alginates ionically crosslinked by polyvalent cations crosslinked with heterosubstituted dicarboxylates, products comprising such polymers, and methods of making them.
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JP2023129122A |
To provide a sliding carbon fiber exhibiting good sliding properties or the like without damaging a mating material when formed into a sliding member by a predetermined processing through a sliding resin composition comprising a predeter...
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JP7343532B2 |
Provided is a composition for the treatment of fibers, such as PAN precursor fibers. The finish composition includes a polysiloxane; an emulsifier; water; and a dicarboxylic acid having a pKa from 1 to 4, and boiling point from 200 to 40...
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JP7342725B2 |
To provide a method for producing a carbon fiber bundle enabling the reduction of contamination in a furnace in a flame-proofing process, satisfactory in quality because of an excellent process passability and having high strand tensile ...
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JP7342700B2 |
An object is to obtain a carbon fiber that achieves both a strong bundle forming property and a thermal stability in a good balance and serves to realize a reduction in the molding cost and improvement in performance when producing a car...
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