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公开(公告)号：US12129354B2
公开(公告)日：2024-10-29
申请号：US17635463
申请日：2020-08-13
申请人： ZEON CORPORATION
发明人： Hirofumi Yamamoto
CPC分类号： C08K3/041 , C08J3/16 , C08J5/243 , C08J3/21 , C08J2300/14 , C08J2339/04 , C08K9/08
摘要： A method for manufacturing a carbon nanotube-blended aggregate of the present invention includes the steps of: (1) providing an aqueous solution of a water-soluble polymer having a concentration of 0.005 to 3.0% by mass; (2) impregnating carbon nanotubes with the aqueous solution of the water-soluble polymer in a proportion of 400 to 1,000 parts by mass relative to 100 parts by mass of the carbon nanotubes to prepare a wet aggregate; (3) shear-crushing the wet aggregate to obtain an aggregate of crushed products and (4) drying the aggregate of the crushed products to obtain a carbon nanotube-blended aggregate containing the water-soluble polymer.
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公开(公告)号：US20240336751A1
公开(公告)日：2024-10-10
申请号：US18681678
申请日：2022-07-27
申请人： Teijin Limited
发明人： Kohei OSAKI , Suguru OZAWA , Toru KANEKO
CPC分类号： C08J5/042 , C08G59/245 , C08G59/28 , C08G59/3218 , C08G59/3227 , C08G59/38 , C08G59/5033 , C08J5/243 , C08J2363/00
摘要： A fiber-reinforced composite material contains a resin cured product obtained by curing an epoxy resin composition containing a curing agent A, a curing agent B, a curing agent C, an epoxy resin D, an epoxy resin E, and resin particles F, and a stitched reinforcing fiber base material. The fiber-reinforced composite material enables a fiber-reinforced composite material to be provided that achieves high productivity, and exhibits heat resistance and mechanical properties while using an epoxy resin composition that has low viscosity, a long pot life, and fast curability.
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公开(公告)号：US12098226B2
公开(公告)日：2024-09-24
申请号：US17351717
申请日：2021-06-18
申请人： AGC Inc.
IPC分类号： C08F214/26 , B29C48/00 , B29K27/12 , B29L31/00 , C08J5/18 , C08J5/22 , C08J5/24 , H01M8/10 , H01M8/1004
CPC分类号： C08F214/26 , B29C48/022 , C08J5/18 , C08J5/2237 , C08J5/243 , H01M8/1004 , B29K2027/12 , B29L2031/755 , C08J2327/18 , H01M2008/1095 , H01M2300/0082
摘要： To provide a polymer wherein a linking group that connects the main chain of the polymer and a cyclic perfluoroaliphatic disulfonimide skeleton, is a fluoroalkylene group which may have an ether oxygen atom. A polymer which has either one or both of units represented by formula u1-1 and units represented by formula u1-2:
RF1, RF2: a C1-3 perfluoroalkylene group; RF3: a C1-6 perfluoroalkylene group; m: 0 or 1; and X: a hydrogen atom, an alkali metal atom, a fluorine atom, an alkyl group, ammonium or the like.-
公开(公告)号：US12084546B2
公开(公告)日：2024-09-10
申请号：US17298305
申请日：2019-11-26
申请人： TEIJIN LIMITED
发明人： Miki Horikawa , Takaya Suzuki , Hiroaki Kuwahara
CPC分类号： C08G73/128 , C08J5/243 , C08J5/244 , C08J5/249 , C08L79/085 , C09J7/10 , C09J7/38 , C08J2379/08 , C09J2400/12 , C09J2479/08
摘要： The present invention provides a thermosetting resin composition characterized by comprising a bismaleimide compound and a triazine compound having a diaminotriazine structure.
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公开(公告)号：US12077644B2
公开(公告)日：2024-09-03
申请号：US17282256
申请日：2019-10-02
发明人： Masahiko Miyauchi
CPC分类号： C08J5/243 , B32B5/26 , B32B27/281 , C08G73/1032 , C08G73/1071 , C08G73/122 , C08J5/042 , B32B2260/023 , B32B2260/046 , B32B2262/106 , B32B2305/076 , B32B2307/542 , B32B2307/558 , C08J2379/08
摘要： An amide acid oligomer (AAO) solution, methods of making the same, powder, AAO solution prepregs, AAO dry prepreg, imide prepregs, and fiber reinforced polyimide composites with high temperature resistance and excellent mechanical properties are disclosed herein. In some embodiments, a method of making an AAO solution includes dissolving an aromatic diamine and an aromatic tetracarboxylic compound in a solvent to form a mixture, wherein the solvent has a boiling point of less than 150° C.; stirring the mixture at a temperature ranging from about 5° C. to about 60° C. for about I hour to about 24 hours to form a reaction solution; adding unsaturated acid anhydride to the reaction solution; and stirring the reaction solution at a temperature ranging from about 5° C. to about 60° C. for about 1 minute to about 180 minutes to form an amide acid oligomer solution, the amide acid oligomer solution having amide acid oligomer in the solvent.
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公开(公告)号：US20240287234A1
公开(公告)日：2024-08-29
申请号：US18651899
申请日：2024-05-01
申请人： RIMTEC Corporation
发明人： Masaki Takeuchi
IPC分类号： C08F279/00 , C08J5/24
CPC分类号： C08F279/00 , C08J5/243 , C08J5/244 , C08J5/247 , C08J5/248 , C08J2351/00
摘要： A composite material obtained by impregnating a fibrous filler to which a hydrocarbon-based resin is attached with a polymerizable composition containing a cycloolefin monomer and a metathesis polymerization catalyst is provided. According to the present invention, it is possible to provide a composite material which has no impregnation unevenness and can give a composite material molded article having excellent strength.
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公开(公告)号：US12060468B2
公开(公告)日：2024-08-13
申请号：US15734624
申请日：2019-06-10
申请人： NITTA CORPORATION
发明人： Takuji Komukai , Maki Onizuka , Hiromi Teruhira
IPC分类号： C08J5/00 , B32B5/12 , B32B5/26 , B32B5/28 , C08J5/04 , C08J5/06 , C08J5/24 , C09C1/44 , D06M10/02 , D06M11/74 , B32B5/02 , C01B32/05 , C01B32/168 , C01B32/174 , C01B32/176
CPC分类号： C08J5/248 , B32B5/28 , C08J5/005 , C08J5/042 , C08J5/06 , C08J5/243 , C09C1/44 , D06M10/02 , D06M11/74 , B32B5/022 , B32B5/12 , B32B5/26 , B32B2260/021 , B32B2260/046 , B32B2262/106 , B32B2305/076 , B32B2305/08 , B32B2305/20 , B32B2305/72 , B32B2307/50 , B32B2307/546 , C01B32/05 , C01B32/168 , C01B32/174 , C01B32/176 , C01B2202/34 , C01B2202/36 , C01P2004/16 , C01P2004/86 , C08J5/04 , C08J2363/00 , Y10T428/249944 , Y10T428/249945 , Y10T428/249948 , Y10T428/24995 , Y10T428/249952 , Y10T428/25 , Y10T428/2915 , Y10T428/292 , Y10T428/2922 , Y10T428/2927 , Y10T428/2978
摘要： Provided are a composite material capable of further enhancing property derived from carbon nanotubes adhered to carbon fibers, a prepreg, a carbon-fiber-reinforced molded article, and a method for manufacturing a composite material. There is provided a composite material including: carbon fibers; and a structure which includes a plurality of carbon nanotubes and has a network structure in which the carbon nanotubes are in direct contact with each other, and in which the carbon nanotubes adhered to surfaces of the carbon fibers directly adhere to the surfaces of the carbon fibers. The carbon nanotubes have a bent shape having a bent portion.
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8.发明公开公开(公告)号：US20240199839A1
公开(公告)日：2024-06-20
申请号：US18254590
申请日：2021-11-04
申请人： CATACKH CO., LTD.
发明人： Jinho JEONG , Jongil KIM
CPC分类号： C08J11/16 , C08J5/243 , C08J11/26 , C08J2300/24 , C08J2300/30 , C08J2363/00 , C08J2375/04
摘要： Disclosed are a method and apparatus for decomposing and recycling a thermosetting resin composite material and a composition and kit utilized therefor, wherein the method comprises the steps of pretreating a thermosetting resin composite material in an aqueous formic acid solution or an aqueous hydrogen peroxide solution; and subjecting the pretreated thermosetting resin composite material to main treatment in a hydrogen peroxide solution or an aqueous formic acid solution, the aqueous solutions used in the pretreatment and the main treatment being different from each other.
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公开(公告)号：US12011891B2
公开(公告)日：2024-06-18
申请号：US17785844
申请日：2020-12-21
申请人： ROCTOOL
发明人： José Feigenblum
IPC分类号： B29C70/86 , A45C5/03 , A45C5/14 , A45C13/26 , A45C13/36 , B29B11/08 , B29C70/34 , B29K701/12 , B29L31/00 , C08J5/24
CPC分类号： B29C70/86 , A45C5/03 , A45C5/14 , A45C13/262 , A45C13/36 , B29B11/08 , B29C70/345 , C08J5/243 , A45C2005/037 , A45C2013/267 , B29K2701/12 , B29L2031/7418
摘要： A method for manufacturing a quadrangular shell having five faces and non-developable trihedral connectors between the faces. Plies having continuous fibers are cut to cover the five faces of the shell outside of the trihedral connector zones. Four connector components consolidated in the shape of the trihedral connectors are obtained. Each of the components includes an integration zone between the plies. Plies are positioned and laid up. The four consolidated components are inserted in the trihedral connection zones by inserting the integration zones between two plies to form an assembly obtain a preform. The preform is placed in a tool and the consolidation of the stack of fibrous plies is performed by subjecting the assembly to a predetermined pressure/temperature cycle.
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10.发明公开公开(公告)号：US20240150517A1
公开(公告)日：2024-05-09
申请号：US17773110
申请日：2020-12-02
CPC分类号： C08G18/58 , C08G18/3819 , C08G18/388 , C08G18/755 , C08G18/758 , C08G18/7621 , C08G18/7664 , C08G18/7671 , C08G18/792 , C08G18/797 , C08J5/243 , C08K3/04 , C08K7/06
摘要： The purposes of the present invention are: to provide an epoxy resin composition having excellent impregnation into reinforcing fibers, excellent shapability under low-temperature conditions after thickening, and excellent heat resistance after curing; to provide a molding material for a fiber-reinforced composite material, said molding material having excellent shapability during handling and excellent fluidity during press molding; and to provide a fiber-reinforced composite material having excellent heat resistance and bending strength. To achieve the abovementioned purposes, the present invention provides an epoxy resin composition containing all of the following components (A)-(D), wherein: the content of the component (A), in terms of 100 mass % of the total mass of the epoxy resin composition, is 30-95 mass %; and the ratio Wc/Wd of the content We of the component (C) to the content Wd of the component (D) is 0.01-10. Component (A) is an epoxy resin; component (B) is a curing agent; component (C) is a diisocyanate compound having consecutive double bonds, an alicyclic structure or a heterocyclic structure; and component (D) is a polyisocyanate compound excluding the component (C).
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