公开(公告)号：US20250011492A1

公开(公告)日：2025-01-09

申请号：US18891240

申请日：2024-09-20

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 8.5 to 9.5% by mass with respect to the whole of the monomer units, a content of perfluoro (propyl vinyl ether) unit of 1.2 to 1.88 by mass with respect to the whole of the monomer units, a melt flow rate at 372°° C. of 9.0 to 15.0 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 100 or less.

公开(公告)号：US20250011489A1

公开(公告)日：2025-01-09

申请号：US18888452

申请日：2024-09-18

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 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 0.4% by mass with respect to the whole of the monomer units, a melt flow rate at 372° C. of 8.0 to 10.0 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.

公开(公告)号：US20250002728A1

公开(公告)日：2025-01-02

申请号：US18885870

申请日：2024-09-16

Applicant: DAIKIN INDUSTRIES, LTD.

Inventor： Yumi ZENKE ,  Yasukazu NAKATANI ,  Tadaharu ISAKA ,  Yukari YAMAMOTO

IPC: C09D5/03 ,  C08J5/18 ,  C09D135/08

Abstract: There is provided a powder coating material, comprising a copolymer comprising tetrafluoroethylene unit and perfluoro(propyl vinyl ether) unit, wherein the copolymer has a content of perfluoro(propyl vinyl ether) unit of 5.0 to 6.2% by mass with respect to the whole of the monomer units, the copolymer has a melt flow rate at 372° C. of 20.0 to 35.0 g/10 min, and the copolymer has the number of functional groups of 100 or less per 106 main-chain carbon atoms.

公开(公告)号：US20230415387A1

公开(公告)日：2023-12-28

申请号：US18450094

申请日：2023-08-15

Applicant: DAIKIN INDUSTRIES, LTD.

Inventor： Hiroyuki HAMADA ,  Hayato TSUDA ,  Tadaharu ISAKA ,  Yukari YAMAMOTO ,  Yumi ZENKE

IPC: B29C45/00

CPC classification number: B29C45/0001 ,  B29K2027/18

Abstract: Provided is an injection molded article containing a copolymer containing tetrafluoroethylene unit and a fluoro(alkyl vinyl ether) unit, wherein the content of the fluoro(alkyl vinyl ether) unit of the copolymer is 4.7 to 7.0% by mass with respect to the whole of the monomer units, the melt flow rate at 372° C. of the copolymer is 11.0 to 22.0 g/10 min, the melting point of the copolymer is 296 to 305° C., and the amount of fluorine ions dissolving out from the injection molded article into water is 7,500 μg/m2 or lower.

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.

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.

公开(公告)号：US20230399441A1

公开(公告)日：2023-12-14

申请号：US18452908

申请日：2023-08-21

Applicant: DAIKIN INDUSTRIES, LTD.

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

IPC: C08F214/26 ,  C09D127/18 ,  H01B3/44 ,  B29C45/00

CPC classification number: C08F214/262 ,  C09D127/18 ,  H01B3/445 ,  B29C45/0001 ,  C08F2800/20 ,  B29K2105/0094

Abstract: There is provided 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 4.1 to 4.9% by mass with respect to the whole of the monomer units, a melt flow rate at 372° C. of 33.0 to 45.0 g/10 min, and the number of functional groups of 50 or less per 106 main-chain carbon atoms.

公开(公告)号：US20230399434A1

公开(公告)日：2023-12-14

申请号：US18451915

申请日：2023-08-18

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 fluoro(alkyl vinyl ether) unit, wherein the copolymer has a content of hexafluoropropylene unit of 5.0 to 7.0% by mass with respect to the whole of the monomer units, a content of the fluoro(alkyl vinyl ether) unit of 1.4 to 2.9% by mass with respect to the whole of the monomer units, a melt flow rate at 372° C. of 9 to 40 g/10 min, and the number of functional groups of 90 or less per 106 main-chain carbon atoms.

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.

公开(公告)号：US20230399428A1

公开(公告)日：2023-12-14

申请号：US18449990

申请日：2023-08-15

Applicant: DAIKIN INDUSTRIES, LTD.

Inventor： Tadaharu ISAKA ,  Yumi Zenke ,  Yukari Yamamoto

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 comprising tetrafluoroethylene unit, hexafluoropropylene unit, and perfluoro(propyl vinyl ether) unit, wherein the copolymer has a content of hexafluoropropylene unit of 10.4 to 11.5% by mass with respect to the whole of the monomer units, a content of perfluoro(propyl vinyl ether) unit of 0.5 to 1.6% by mass with respect to the whole of the monomer units, a melt flow rate at 372° C. of 7.0 to 9.9 g/10 min, and a total number of —CF2H, carbonyl group-containing terminal groups, —CF═CF2 and —CH2OH of 90 or less per 106 main-chain carbon atoms.