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公开(公告)号：US20180283609A1
公开(公告)日：2018-10-04
申请号：US15780879
申请日：2016-12-21
发明人： Hiromi TERUHIRA , Takuji KOMUKAI , Maki ONIZUKA , Naoki NAKAMURA , Masaki ANDO
摘要： A high pressure container has enhanced pressure resistant strength, and a method for manufacturing such high pressure container. The high pressure container includes a sealable hollow liner and a reinforcement layer including a composite carbon fiber bundle covering an outer surface of the hollow liner, wherein the reinforcement layer is wound around the outer surface of the hollow liner and fixed with a cured product of thermosetting resin, and a stress relaxation portion including the cured product of thermosetting product and a plurality of carbon nanotubes between a carbon fiber contained in one composite carbon fiber bundle and a carbon fiber contained in the other composite carbon fiber bundle.
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公开(公告)号：US20180119332A1
公开(公告)日：2018-05-03
申请号：US15561944
申请日：2016-03-30
申请人： NITTA CORPORATION
发明人： Takuji KOMUKAI , Hiromi TERUHIRA , Maki ONIZUKA
CPC分类号： D06M10/02 , D06M11/74 , D06M2101/40
摘要： There are provided a method for producing a composite material from which a high-strength prepreg having CNT-derived properties fully exerted is obtained, comprising a step of immersing a carbon fiber bundle including a plurality of continuous carbon fibers in a carbon-nanotubes-isolated dispersion containing a plurality of isolatedly-dispersed carbon nanotubes and applying ultrasonic vibrations at a frequency of more than 40 kHz and 180 kHz or less to form a structure comprising a plurality of carbon nanotubes on the surface of each of the plurality of carbon fibers, wherein the structures are directly attached to the surface of each of the plurality of carbon fibers and form together a network structure in which the carbon nanotubes are directly connected to one another, and such a composite material.
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公开(公告)号：US20210230386A1
公开(公告)日：2021-07-29
申请号：US15734624
申请日：2019-06-10
申请人： NITTA CORPORATION
发明人： Takuji KOMUKAI , Maki ONIZUKA , Hiromi TERUHIRA
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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公开(公告)号：US20180112047A1
公开(公告)日：2018-04-26
申请号：US15561906
申请日：2016-03-30
申请人： NITTA CORPORATION
发明人： Takuji KOMUKAI , Hiromi TERUHIRA , Katsuyuki NAKAI
CPC分类号： C08J5/042 , C01B2202/00 , C08J5/06 , C08J2300/22 , C08J2300/24 , C08J2323/12 , C08J2363/00 , C08K3/013 , C08K3/041 , C08K3/046
摘要： There is provided a carbon fiber-reinforced molded article that avoids peeling of carbon fibers from a base material and has high strength, the carbon fiber-reinforced molded article comprising a base material and a composite material dispersed in the base material, wherein the composite material comprises carbon fibers and a structure formed on the surface of the carbon fibers and including a plurality of carbon nanotubes, the plurality of carbon nanotubes forms a network structure in which the carbon nanotubes are directly connected to one another, and the plurality of carbon nanotubes is directly attached to the surface of the carbon fibers by using a portion of the surface thereof as an attaching portion, and also is physically bound to the surface of the carbon fibers via a binding member provided on at least a portion other than the attaching portion.
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