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公开(公告)号:US20230399433A1
公开(公告)日:2023-12-14
申请号:US18451524
申请日:2023-08-17
Applicant: DAIKIN INDUSTRIES, LTD.
Inventor: Tadaharu ISAKA , Yumi ZENKE , Yukari YAMAMOTO
IPC: C08F214/26 , C08F214/28 , H01B3/44
CPC classification number: C08F214/262 , C08F214/282 , H01B3/445
Abstract: There is provided a fluorine-containing copolymer containing tetrafluoroethylene unit, hexafluoropropylene unit, and a fluoro(alkyl vinyl ether) unit, wherein the copolymer has a content of hexafluoropropylene unit of 11.5 to 12.5% by mass with respect to the whole of the monomer units, a content of the fluoro(alkyl vinyl ether) unit of 0 to 0.5% by mass with respect to the whole of the monomer units, a melt flow rate at 372° C. of 0.8 to 4.0 g/10 min, and a total number of —CF2H, carbonyl group-containing terminal groups, —CF═CF2 and —CH2OH of 50 or less per 106 main-chain carbon atoms.
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公开(公告)号:US20230399430A1
公开(公告)日:2023-12-14
申请号:US18451227
申请日:2023-08-17
Applicant: DAIKIN INDUSTRIES, LTD.
Inventor: Tadaharu ISAKA , Yukari YAMAMOTO , Yumi ZENKE
IPC: C08F214/26 , C09D127/18 , C08J5/18 , H01B3/44
CPC classification number: C08F214/262 , C09D127/18 , C08J5/18 , H01B3/445 , C08F2800/10 , C08J2327/18
Abstract: There is provided a fluorine-containing copolymer comprising tetrafluoroethylene unit, hexafluoropropylene unit, and a perfluoro(propyl vinyl ether) unit, wherein the copolymer has a content of the hexafluoropropylene unit of 4.10 to 5.20 mol % with respect to the whole of the monomer units, a content of the perfluoro(propyl vinyl ether) unit of 0.53 to 0.86 mol % with respect to the whole of the monomer units, and a melt flow rate at 372° C. of 0.7 to 2.5 g/10 min.
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公开(公告)号:US20220278403A1
公开(公告)日:2022-09-01
申请号:US17679765
申请日:2022-02-24
Applicant: DAIKIN INDUSTRIES, LTD.
Inventor: Tadaharu ISAKA , Hayato TSUDA , Yumi ZENKE , Yukari YAMAMOTO , Takahisa AOYAMA
IPC: H01M50/193 , C08F214/26
Abstract: A member for a non-aqueous electrolyte battery containing a copolymer containing a tetrafluoroethylene unit and a fluoroalkyl vinyl ether unit, in which the number of functional groups per 106 carbon atoms of a main chain of the copolymer is 100 or less, and a melt flow rate of the copolymer is 20 to 30 g/10 minutes.
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公开(公告)号:US20220181729A1
公开(公告)日:2022-06-09
申请号:US17679831
申请日:2022-02-24
Applicant: DAIKIN INDUSTRIES, LTD.
Inventor: Tadaharu ISAKA , Hayato TSUDA , Yumi ZENKE , Yukari YAMAMOTO , Takahisa AOYAMA
IPC: H01M50/193 , H01M50/188
Abstract: A power storage assembly having a gasket containing a copolymer containing a tetrafluoroethylene unit and a fluoro(alkyl vinyl ether) unit, wherein the copolymer has a content of the fluoro(alkyl vinyl ether) unit of 2.0 to 6.0% by mass with respect to the whole of the monomer units, a melt flow rate of 0.5 to 55 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:US20220153889A1
公开(公告)日:2022-05-19
申请号:US17592754
申请日:2022-02-04
Applicant: Daikin Industries, Ltd.
Inventor: Yukari YAMAMOTO , Tadaharu ISAKA , Yumi ZENKE , Ryouichi FUKAGAWA
IPC: C08F214/18 , C08F214/28 , C08F214/26 , C08F2/18 , C08K5/095
Abstract: A method for producing a fluoropolymer which includes polymerizing a fluoromonomer in an aqueous medium in the presence of a fluorine-containing diacyl peroxide represented by the formula (1): XRfaC(═O)OOC(═O)RfbY (wherein X and Y are each independently H or F; and Rfa and Rfb are each independently a C1-C6 linear or branched perfluoroalkylene group optionally containing an ether bond) and a fluorine-containing carboxylic acid represented by the following formula (2): Z2RfcCOOH (wherein Z2 is H or F; and Rfc is a C1-C3 linear or branched perfluoroalkylene group optionally containing an ether bond when Z2 is H, and Rfc is a C1 or C2 linear or branched perfluoroalkylene group optionally containing an ether bond when Z2 is F) to provide a fluoropolymer.
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公开(公告)号:US20250145746A1
公开(公告)日:2025-05-08
申请号:US19013016
申请日:2025-01-08
Applicant: DAIKIN INDUSTRIES, LTD.
Inventor: Tadaharu ISAKA , Yumi ZENKE , Yukari YAMAMOTO
IPC: C08F214/26 , C09D127/18 , H01B3/44
Abstract: There is provided a fluorine-containing copolymer comprising tetrafluoroethylene unit, hexafluoropropylene unit, and a fluoro(alkyl vinyl ether) unit, wherein the copolymer has a content of hexafluoropropylene unit of 8.6 to 11.9% by mass with respect to the whole of the monomer units, a content of the fluoro(alkyl vinyl ether) unit of 0.5 to 1.9% by mass with respect to the whole of the monomer units, a melt flow rate at 372° C. of 4.6 to 14.4 g/10 min, and a total number of —CF2H, a carbonyl group-containing terminal group, —CF═CF2 and —CH2OH per 106 main-chain carbon atoms of 90 or less.
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公开(公告)号:US20250011500A1
公开(公告)日:2025-01-09
申请号:US18895515
申请日:2024-09-25
Applicant: DAIKIN INDUSTRIES, LTD.
Inventor: Tadaharu ISAKA , Yumi ZENKE , Yukari YAMAMOTO , Hayato TSUDA
IPC: C08F214/26 , B29C45/00 , B29K27/18
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 5.6 to 6.38 by mass with respect to the whole of the monomer units, a melt flow rate at 372° C. of 17.1 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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公开(公告)号:US20250011486A1
公开(公告)日:2025-01-09
申请号:US18887392
申请日:2024-09-17
Applicant: DAIKIN INDUSTRIES, LTD.
Inventor: Tadaharu ISAKA , Yumi ZENKE , Yukari YAMAMOTO
IPC: C08F214/26 , C09D127/18 , H01B3/44
Abstract: There is provided a fluorine-containing copolymer comprising tetrafluoroethylene unit, hexafluoropropylene unit and perfluoro (propyl vinyl ether) unit, wherein the copolymer has a content of hexafluoropropylene unit of 9.4 to 10.3% by mass with respect to the whole of the monomer units, a content of perfluoro (propyl vinyl ether) unit of 1.4 to 2.4% by mass with respect to the whole of the monomer units, a melt flow rate at 372° C. of 24.1 to 39.9 g/10 min, and a total number of a carbonyl group-containing terminal group, —CF═CF2 and —CH2OH per 106 main-chain carbon atoms of 120 or less.
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公开(公告)号:US20230406977A1
公开(公告)日:2023-12-21
申请号:US18452849
申请日:2023-08-21
Applicant: DAIKIN INDUSTRIES, LTD.
Inventor: Tadaharu ISAKA , Yukari YAMAMOTO , Yumi ZENKE
IPC: C08F214/26 , C09D127/18 , H01B3/44 , B29C45/00
CPC classification number: C08F214/262 , C09D127/18 , F16L9/12 , B29C45/0001 , C08F2800/20 , H01B3/445
Abstract: There is provided a fluorine-containing copolymer containing tetrafluoroethylene unit, hexafluoropropylene unit, and perfluoro(propyl vinyl ether) unit, wherein the copolymer has a content of hexafluoropropylene unit of 7.0 to 9.4% by mass with respect to the whole of the monomer units, a content of perfluoro(propyl vinyl ether) unit of 1.5 to 2.9% by mass with respect to the whole of the monomer units, and a melt flow rate at 372° C. of 15 to 40 g/10 min.
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公开(公告)号:US20230399439A1
公开(公告)日:2023-12-14
申请号:US18452878
申请日:2023-08-21
Applicant: DAIKIN INDUSTRIES, LTD.
Inventor: Tadaharu ISAKA , Yukari YAMAMOTO , Yumi ZENKE
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 fluorine-containing copolymer containing tetrafluoroethylene unit, hexafluoropropylene unit, and a perfluoro(propyl vinyl ether) unit, wherein the copolymer has a content of the hexafluoropropylene unit of 7.0 to 8.5% by mass with respect to the whole of the monomer units, a content of the perfluoro(propyl vinyl ether) unit of 1.5 to 2.9% by mass with respect to the whole of the monomer units, and a melt flow rate at 372° C. of 9 to 15 g/10 min.
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