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公开(公告)号：US20230411751A1
公开(公告)日：2023-12-21
申请号：US18191996
申请日：2023-03-29
Applicant: DAIKIN INDUSTRIES, LTD.
Inventor： Hayato TSUDA , Tadaharu ISAKA , Yumi ZENKE , Yukari YAMAMOTO , Takahisa AOYAMA
IPC: H01M50/193 , H01M50/184 , H01M50/188 , H01M50/176 , H01G11/80 , C08F114/26
CPC classification number: H01M50/193 , H01M50/184 , H01M50/188 , H01M50/176 , H01G11/80 , C08F114/26
Abstract: A power storage assembly having a gasket containing a copolymer containing tetrafluoroethylene unit and a perfluoro(propyl vinyl ether) unit, wherein the copolymer has a content of the perfluoro(propyl vinyl ether) unit of 2.0 to 4.5% by mass with respect to the whole of the monomer units, a melt flow rate of 5 to 36 g/10 min, and the number of functional groups of —CF═CF2, —CF2H, —COF, —COOH, —COOCH3, —CONH2 and —CH2OH of more than 50 per 106 main-chain carbon atoms, wherein the gasket has a thickness of 0.5 to 2.5 mm.
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公开(公告)号：US20230406976A1
公开(公告)日：2023-12-21
申请号：US18451525
申请日：2023-08-17
Applicant: DAIKIN INDUSTRIES, LTD.
Inventor： Tadaharu ISAKA , Yumi ZENKE , Yukari YAMAMOTO , Hayato TSUDA , Yasuyuki YAMAGUCHI
IPC: C08F214/26 , H01B3/44
CPC classification number: C08F214/262 , H01B3/445
Abstract: There is provided a copolymer containing tetrafluoroethylene unit and perfluoro(propyl vinyl ether) unit, wherein the copolymer has a content of perfluoro(propyl vinyl ether) unit of 4.9 to 7.0% by mass with respect to the whole of the monomer units, a melt flow rate at 372° C. of 0.5 to 1.5 g/10 min, and the number of functional groups of 20 or less per 106 main-chain carbon atoms.
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公开(公告)号：US20230399432A1
公开(公告)日：2023-12-14
申请号：US18451502
申请日：2023-08-17
Applicant: DAIKIN INDUSTRIES, LTD.
Inventor： Tadaharu ISAKA , Yumi ZENKE , Yukari YAMAMOTO , Hayato TSUDA , Yasuyuki YAMAGUCHI
IPC: C08F214/26 , C09D127/18 , H01B3/44 , B29C45/00
CPC classification number: C08F214/262 , C09D127/18 , H01B3/445 , B29C45/0001 , C08F2800/20 , B29K2027/18
Abstract: There is provided a copolymer containing tetrafluoroethylene unit and perfluoro(propyl vinyl ether) unit, wherein the copolymer has a content of perfluoro(propyl vinyl ether) unit of 4.8 to 6.2% by mass with respect to the whole of the monomer units, a melt flow rate at 372° C. of 17.0 to 23.0 g/10 min, and the number of functional groups of 50 or less per 106 main-chain carbon atoms.
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Patent Agency Ranking
公开(公告)号：US20230391933A1
公开(公告)日：2023-12-07
申请号：US18454141
申请日：2023-08-23
Applicant: DAIKIN INDUSTRIES, LTD.
Inventor： Tadaharu ISAKA , Yumi ZENKE , Yukari YAMAMOTO , Hayato TSUDA
IPC: C08F214/26 , H01B7/02 , H01B3/44
CPC classification number: C08F214/262 , H01B7/02 , H01B3/441 , C08F2500/12
Abstract: There is provided a copolymer containing tetrafluoroethylene unit and perfluoro(propyl vinyl ether) unit, wherein the copolymer has a content of perfluoro(propyl vinyl ether) unit of 3.5 to 4.2% by mass with respect to the whole of the monomer units, a melt flow rate at 372° C. of 18.0 to 22.0 g/10 min, and the number of functional groups of 50 or less per 106 main-chain carbon atoms.
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公开(公告)号：US20230391912A1
公开(公告)日：2023-12-07
申请号：US18449788
申请日：2023-08-15
Applicant: DAIKIN INDUSTRIES, LTD.
Inventor： Tadaharu ISAKA , Yumi ZENKE , Yukari YAMANOTO , Hayato TSUDA , Takahisa AOYAMA
IPC: C08F214/26 , C09K3/10 , B29C45/00
CPC classification number: C08F214/262 , C09K3/1009 , B29C45/0001 , B29K2027/18
Abstract: There is provided a copolymer containing tetrafluoroethylene unit and perfluoro(propyl vinyl ether) unit, wherein the copolymer has a content of perfluoro(propyl vinyl ether) unit of 4.6 to 5.1% by mass with respect to the whole of the monomer units, a melt flow rate at 372° C. of 11.0 to 17.0 g/10 min, and the number of functional groups of 40 or less per 106 main-chain carbon atoms.
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公开(公告)号：US20230383032A1
公开(公告)日：2023-11-30
申请号：US18449061
申请日：2023-08-14
Applicant: DAIKIN INDUSTRIES, LTD.
Inventor： Tadaharu ISAKA , Yumi ZENKE , Yukari YAMAMOTO , Hayato TSUDA , Takashi SEKIGUCHI
IPC: C08F214/26 , C09K3/10 , F16J15/10
CPC classification number: C08F214/262 , C09K3/1009 , F16J15/10
Abstract: There is provided a copolymer containing tetrafluoroethylene unit and perfluoro(propyl vinyl ether) unit, wherein the copolymer has a content of perfluoro(propyl vinyl ether) unit of 2.26 to 2.75 mol % with respect to the whole of the monomer units, a melt flow rate at 372° C. of 4.0 to 11.0 g/10 min, and the number of functional groups of 50 or less per 106 main-chain carbon atoms.
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公开(公告)号：US20200298542A1
公开(公告)日：2020-09-24
申请号：US16607274
申请日：2018-03-07
Applicant: DAIKIN INDUSTRIES, LTD.
Inventor： Yuuki KUWAJIMA , Hayato TSUDA
Abstract: A sheet containing a carbon fiber and a fluororesin layer disposed around a carbon monofilament constituting the carbon fiber. A fluororesin constituting the fluororesin layer is polyvinylidene fluoride. Further, the sheet has a tensile strength of 400 MPa or higher. Also disclosed is a laminate including a first layer and a second layer that is disposed on the first layer and that includes the sheet; a pipe including the laminate; a riser tube including the pipe and a flowline including the pipe.
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公开(公告)号：US20180223089A1
公开(公告)日：2018-08-09
申请号：US15742943
申请日：2016-07-08
Applicant: DAIKIN INDUSTRIES, LTD.
Inventor： Kazuki HOSODA , Kenji ICHIKAWA , Kazunobu UCHIDA , Yuuko IWAMATSU , Yuuki KUWAJIMA , Hayato TSUDA , Toshiaki MASUI
CPC classification number: C08L27/16 , C08F6/00 , C08F8/32 , C08F14/22 , C08F214/22 , C08F214/26 , C08F2800/10 , C08F2810/50 , C08J5/04 , C08J2327/16 , C08J2327/18 , C08L27/18 , E21B17/01
Abstract: The invention provides a fluororesin that is less likely to suffer blistering or cracking even when rapidly decompressed from a high-temperature and high-pressure state. The fluororesin contains a vinylidene fluoride unit. The vinylidene fluoride unit represents 10.0 to 100 mol % of all the monomer units constituting the fluororesin. The fluororesin exhibits a weight loss of 0.1% or less after heated at 300° C. for two hours.
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