公开(公告)号：US20230399427A1

公开(公告)日：2023-12-14

申请号：US18449977

申请日：2023-08-15

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 comprising tetrafluoroethylene unit, hexafluoropropylene unit, and a perfluoro(propyl vinyl ether) unit, wherein the copolymer has a content of the hexafluoropropylene unit of 9.4 to 10.3% by mass with respect to the whole of the monomer units, a content of the perfluoro(propyl vinyl ether) unit of 1.6 to 2.9% by mass with respect to the whole of the monomer units, and a melt flow rate at 372° C. of 9.0 to 17.0 g/10 min.

公开(公告)号：US20230395282A1

公开(公告)日：2023-12-07

申请号：US18453683

申请日：2023-08-22

Applicant: DAIKIN INDUSTRIES, LTD.

Inventor： Tadaharu ISAKA ,  Yumi ZENKE ,  Yukari YAMAMOTO ,  Yasuyuki YAMAGUCHI ,  Keizou SHIOTSUKI

IPC: H01B3/44

CPC classification number: H01B3/445 ,  H01B3/441

Abstract: Provided is a coated electric wire having a core wire, and a coating layer installed on the periphery of the core wire, wherein the coating layer contains a copolymer containing tetrafluoroethylene unit and perfluoro(propyl vinyl ether) unit, the content of perfluoro(propyl vinyl ether) unit in the copolymer is 4.8 to 5.5% by mass with respect to the whole of the monomer units, the melt flow rate at 372° C. of the copolymer is 28.0 to 37.0 g/10 min, and the number of functional groups of the copolymer is 50 or less per 106 main-chain carbon atoms.

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.

公开(公告)号：US20230391930A1

公开(公告)日：2023-12-07

申请号：US18452868

申请日：2023-08-21

Applicant: DAIKIN INDUSTRIES, LTD.

Inventor： Tadaharu ISAKA ,  Yukari YAMAMOTO ,  Yumi ZENKE

IPC: C08F214/26 ,  C08J5/18 ,  C09D127/18 ,  H01B3/44

CPC classification number: C08F214/262 ,  C08J5/18 ,  C09D127/18 ,  H01B3/445 ,  C08F2800/20 ,  C08J2327/18

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 7.6 to 10.3% by mass with respect to the whole of the monomer units, a content of perfluoro(propyl vinyl ether) unit of 1.3 to 2.9% by mass with respect to the whole of the monomer units, and a melt flow rate at 372° C. of 0.7 g/10 min or higher and lower than 4.5 g/10 min.

公开(公告)号：US20230391928A1

公开(公告)日：2023-12-07

申请号：US18452126

申请日：2023-08-18

Applicant: DAIKIN INDUSTRIES, LTD.

Inventor： Tadaharu ISAKA ,  Yumi Zenke ,  Yukari Yamamoto

IPC: C08F214/26 ,  H01B3/44 ,  B29C45/00

CPC classification number: C08F214/262 ,  H01B3/445 ,  B29C45/0001 ,  B29K2027/18

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 the hexafluoropropylene unit of 9.5 to 11.5% by mass with respect to the whole of the monomer units, a content of the fluoro(alkyl vinyl ether) unit of 0 to 0.4% by mass with respect to the whole of the monomer units, a melt flow rate at 372° C. of 4.0 to 7.7 g/10 min, and a total number of —CF2H, carbonyl group-containing terminal groups, —CF═CF2 and —CH2OH of 80 or less per 106 main-chain carbon atoms.

公开(公告)号：US20230391926A1

公开(公告)日：2023-12-07

申请号：US18452015

申请日：2023-08-18

Applicant: DAIKIN INDUSTRIES, LTD.

Inventor： Tadaharu ISAKA ,  Yukari YAMAMOTO ,  Yumi ZENKE

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 perfluoro(propyl vinyl ether) unit, wherein the copolymer has a content of the hexafluoropropylene unit of 10.3 to 12.0% by mass with respect to the whole of the monomer units, a content of the perfluoro(propyl vinyl ether) unit of 1.6 to 2.9% by mass with respect to the whole of the monomer units, and a melt flow rate at 372° C. of 5.0 to 40.0 g/10 min.

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.

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.

公开(公告)号：US20230383031A1

公开(公告)日：2023-11-30

申请号：US18448341

申请日：2023-08-11

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 ,  H01B3/445 ,  C08F2800/20 ,  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 4.8 to 5.7% by mass with respect to the whole of the monomer units, a melt flow rate at 372° C. of 33.0 to 39.0 g/10 min, and the number of functional groups of 50 or less per 106 main-chain carbon atoms.

公开(公告)号：US20230235160A1

公开(公告)日：2023-07-27

申请号：US18192298

申请日：2023-03-29

Applicant: DAIKIN INDUSTRIES, LTD.

Inventor： Tadaharu ISAKA ,  Yumi Zenke ,  Yukari Yamamoto ,  Hayato Tsuda

IPC: C08L27/18 ,  C09D127/18 ,  C09D127/20 ,  H01B3/44 ,  B29C45/00

CPC classification number: C08L27/18 ,  C09D127/18 ,  C09D127/20 ,  H01B3/445 ,  B29C45/0001 ,  C08L2205/025 ,  B29K2027/18

Abstract: A copolymer containing a tetrafluoroethylene unit, and a perfluoro(propyl vinyl ether) unit, wherein the copolymer has a content of the perfluoro(propyl vinyl ether) unit of 3.4 to 3.9% by mass with respect to the whole of the monomer units, and a melt flow rate of 29 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. Also disclosed is a sealing tool, an injection molded article, a member to be compressed including the copolymer, and a coated electric wire including a coating layer containing the copolymer.