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公开(公告)号：US20180354243A1
公开(公告)日：2018-12-13
申请号：US16104198
申请日：2018-08-17
Applicant: Mitsubishi Chemical Corporation
Inventor： Ryuichi ISHIKAWA , Yasunori MURANO , Masatoshi KAMATA , Nobuyuki YAMAMOTO , Tadao SAMEJIMA
CPC classification number: B32B27/20 , B29B15/122 , B32B5/28 , B32B37/15 , B32B38/0012 , B32B38/08 , B32B2038/002 , B32B2405/00 , C08J5/04
Abstract: A fiber-reinforced resin material laminate 1 is provided with the following: a fiber-reinforced resin material 2 in which a fiber bundle group formed of a plurality of fiber bundles is impregnated with a matrix resin composition; and a first carrier sheet 3 and a second carrier sheet 4 which form a pair and sandwich the fiber-reinforced resin material 2 therebetween, with a mark 5 being provided on a surface 4a of the second carrier sheet 4. In a manufacturing method for the fiber-reinforced resin material laminate 1, during an impregnation step, the fiber-reinforced resin material 2 is formed in a state of being sandwiched between the first carrier sheet 3 and the second carrier sheet 4, and thereafter, the mark 5 is provided by marking the surface 4a of the second carrier sheet 4.
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公开(公告)号：US20240391152A1
公开(公告)日：2024-11-28
申请号：US18793424
申请日：2024-08-02
Applicant: MITSUBISHI CHEMICAL CORPORATION
Inventor： Nobuyuki YAMAMOTO
IPC: B29C48/22 , B29C48/21 , B29K23/00 , B29K105/00
Abstract: A uniaxially stretched multilayer structure with excellent transparency is provided, which is stretched in a uniaxial direction and has a resin composition (A) layer containing an ethylene-vinyl alcohol copolymer. A multilayer structure having layers stretched in a uniaxial direction includes a resin composition (A) layer containing an ethylene-vinyl alcohol copolymer, in which the ethylene-vinyl alcohol copolymer in the resin composition (A) layer has an ethylene unit content of less than 32 mol %, and the ethylene-vinyl alcohol copolymer has a single ethylene unit content.
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公开(公告)号：US20230150210A1
公开(公告)日：2023-05-18
申请号：US18155773
申请日：2023-01-18
Applicant: Mitsubishi Chemical Corporation
Inventor： Hiroshi IWATA , Nobuyuki YAMAMOTO , Hajime OKUTSU , Ryuichi ISHIKAWA , Koichi AKIYAMA , Takayuki KOBAYASHI
IPC: B29C70/12 , B29B15/12 , G01N23/00 , G01N21/84 , B29B11/16 , B29B15/08 , B29C43/48 , B29C43/58 , C08J5/04
CPC classification number: B29C70/12 , B29B11/16 , B29B15/08 , B29B15/122 , B29C43/48 , B29C43/58 , C08J5/042 , C08J5/043 , G01N21/84 , G01N23/00 , C08J2300/24 , G01N2021/845 , G01N2021/8416 , G01N2021/8444
Abstract: The purpose of the present invention is to provide a fiber-reinforced resin material having minimal directionality of strength as well as excellent productivity, a method and device for manufacturing a fiber-reinforced resin material whereby a molded article is obtained, and a device for inspecting a fiber bundle group. A method for manufacturing a sheet-shaped fiber-reinforced resin material in which a paste (P1) is impregnated between cut fiber bundles (CF), the method for manufacturing a fiber-reinforced resin material including a coating step applying a coating of a paste (P1) on a first sheet (S11) conveyed in a predetermined direction, a cutting step for cutting a long fiber bundle (CF) using a cutter (113A), a scattering step for dispersing the cut fiber bundles (CF) and scattering the cut fiber bundles (CF) on the paste (P1), and an impregnation step for pressing a fiber bundle group (F1) and the paste (P1) on the first sheet (S11) and impregnating the paste (P1) between the fiber bundles (CF).
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Patent Agency Ranking
公开(公告)号：US20200002502A1
公开(公告)日：2020-01-02
申请号：US16561502
申请日：2019-09-05
Applicant: Mitsubishi Chemical Corporation
Inventor： Nobuyuki YAMAMOTO , Akira ONO , Fumimasa MAKI
IPC: C08K3/34 , C08F216/38 , C08K3/26 , B32B27/30
Abstract: The present invention provides a resin composition having a high level of processability, which is a resin composition including a saponified ethylene-vinyl ester-based copolymer (A), a layered inorganic compound (B), and a carbonic acid salt (C) (provided that the carbonic acid salt (C) excludes the layered inorganic compound (B)).
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公开(公告)号：US20190315933A1
公开(公告)日：2019-10-17
申请号：US16445320
申请日：2019-06-19
Applicant: MITSUBISHI CHEMICAL CORPORATION
Inventor： Takuya NAKAJIMA , Nobuyuki YAMAMOTO
Abstract: Ethylene-vinyl alcohol copolymer composition pellets comprise: an ethylene-vinyl alcohol copolymer; a boron compound; and a predetermined amount of at least one fisheye-suppressing component, wherein pellet surface portions of the ethylene-vinyl alcohol copolymer composition pellets have a boron compound content of not higher than 1.7 ppm on a boron basis based on the weight of the pellets. The ethylene-vinyl alcohol copolymer composition pellets are capable of suppressing occurrence of fisheyes even if being used for formation of a single-layer ethylene-vinyl alcohol copolymer film.
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公开(公告)号：US20240383183A1
公开(公告)日：2024-11-21
申请号：US18788071
申请日：2024-07-29
Applicant: MITSUBISHI CHEMICAL CORPORATION
Inventor： Nobuyuki YAMAMOTO
IPC: B29C48/00 , B29K23/00 , B29K105/00
Abstract: A uniaxially stretched multilayer structure with excellent transparency is provided that is stretched in a uniaxial direction and has a resin composition (A) layer containing an ethylene-vinyl alcohol copolymer. A multilayer structure having layers stretched in a uniaxial direction includes a resin composition (A) layer containing an ethylene-vinyl alcohol copolymer. The ethylene-vinyl alcohol copolymer in the resin composition (A) layer has an ethylene unit content of less than 32 mol %. The resin composition (A) layer is provided in a layer other than an outermost layer of the multilayer structure.
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公开(公告)号：US20180339242A1
公开(公告)日：2018-11-29
申请号：US15552526
申请日：2016-02-24
Applicant: MITSUBISHI CHEMICAL CORPORATION
Inventor： Yusuke OKA , Hiroshi INAGAKI , Nobuyuki YAMAMOTO , Atsushi KAWAMURA
Abstract: A heat treatment furnace device for heat-treating precursor fiber bundles of carbon fibers, having: a heat treatment chamber, in which continuously supplied precursor fiber bundles are treated with hot air, a hot air circulation path, through which hot air from the heat treatment chamber returns to the heat treatment chamber, and a condensation/separation device, into which the hot air flowing through the hot air circulation path is introduced and separated into a condensate and a gas; wherein the condensation/separation device has:a condensation treatment chamber and a condensation unit, which is provided in the condensation treatment chamber and has condensation surfaces on which the condensate is formed and allowed to drip down.
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公开(公告)号：US20180162070A1
公开(公告)日：2018-06-14
申请号：US15738380
申请日：2016-06-24
Applicant: Mitsubishi Chemical Corporation
Inventor： Hiroshi IWATA , Nobuyuki YAMAMOTO , Hajime OKUTSU , Ryuichi ISHIKAWA , Koichi AKIYAMA , Takayuki KOBAYASHI
CPC classification number: B29C70/12 , B29B11/16 , B29B15/08 , B29B15/122 , B29C43/48 , B29C43/58 , C08J5/042 , C08J5/043 , C08J2300/24 , G01N21/84 , G01N23/00 , G01N2021/8416 , G01N2021/8444 , G01N2021/845
Abstract: The purpose of the present invention is to provide a fiber-reinforced resin material having minimal directionality of strength as well as excellent productivity, a method and device for manufacturing a fiber-reinforced resin material whereby a molded article is obtained, and a device for inspecting a fiber bundle group. A method for manufacturing a sheet-shaped fiber-reinforced resin material in which a paste (P1) is impregnated between cut fiber bundles (CF), the method for manufacturing a fiber-reinforced resin material including a coating step applying a coating of a paste (P1) on a first sheet (S11) conveyed in a predetermined direction, a cutting step for cutting a long fiber bundle (CF) using a cutter (113A), a scattering step for dispersing the cut fiber bundles (CF) and scattering the cut fiber bundles (CF) on the paste (P1), and an impregnation step for pressing a fiber bundle group (F1) and the paste (P1) on the first sheet (S11) and impregnating the paste (P1) between the fiber bundles (CF).
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