公开(公告)号：US20230391924A1

公开(公告)日：2023-12-07

申请号：US18451927

申请日：2023-08-18

Applicant: DAIKIN INDUSTRIES, LTD.

Inventor： Yukari YAMAMOTO ,  Tadaharu ISAKA ,  Yumi ZENKE ,  Keizou CHIOTSUKI

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

CPC classification number: C08F214/262 ,  H01B3/445 ,  B29C45/0001 ,  B29K2995/0026 ,  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 5.0 to 7.0% by mass with respect to the whole of the monomer units, a content of the perfluoro(propyl vinyl ether) unit of 1.5 to 2.6% by mass with respect to the whole of the monomer units, and a melt flow rate at 372° C. of 9 to 40 g/10 min.

公开(公告)号：US20230391920A1

公开(公告)日：2023-12-07

申请号：US18450642

申请日：2023-08-16

Applicant: DAIKIN INDUSTRIES, LTD.

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

IPC: C08F214/26 ,  C09D127/18 ,  C09K3/10 ,  C08J5/18 ,  H01B3/44 ,  B29C45/00

CPC classification number: C08F214/262 ,  C09D127/18 ,  C09K3/1009 ,  C08J5/18 ,  H01B3/445 ,  B29C45/0001 ,  C08F2800/20 ,  C09K2200/0637 ,  C08J2327/18 ,  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 3.9 to 4.9% by mass with respect to the whole of the monomer units, a melt flow rate at 372° C. of 4.0 to 9.0 g/10 min, and the number of functional groups of 40 or less per 106 main-chain carbon atoms.

公开(公告)号：US20230391917A1

公开(公告)日：2023-12-07

申请号：US18450491

申请日：2023-08-16

Applicant: DAIKIN INDUSTRIES, LTD.

Inventor： Tadaharu ISAKA ,  Yumi ZENKE ,  Yukari YAMAMOTO ,  Hayato TSUDA ,  Yasuyuki YAMAGUCHI

IPC: C08F214/26 ,  C08J5/18 ,  H01B3/44 ,  F16L9/12

CPC classification number: C08F214/262 ,  C08J5/18 ,  H01B3/445 ,  F16L9/12 ,  C08F2800/20 ,  C08J2327/18

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 2.7 to 4.9% by mass with respect to the whole of the monomer units, a melt flow rate at 372° C. of 0.7 to 1.4 g/10 min, and the number of functional groups of 20 or less per 106 main-chain carbon atoms.

公开(公告)号：US20230391915A1

公开(公告)日：2023-12-07

申请号：US18449927

申请日：2023-08-15

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 comprising tetrafluoroethylene unit, hexafluoropropylene unit and a fluoro(alkyl vinyl ether) unit, wherein the copolymer has a content of the hexafluoropropylene unit of 7.0 to 9.4% by mass with respect to the whole of the monomer units, a content of the fluoro(alkyl vinyl ether) unit of 1.3 to 2.9% by mass with respect to the whole of the monomer units, a melt flow rate at 372° C. of 15 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：US20230391910A1

公开(公告)日：2023-12-07

申请号：US18448234

申请日：2023-08-11

Applicant: DAIKIN INDUSTRIES, LTD.

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

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

CPC classification number: C08F214/262 ,  H01B3/445 ,  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 2.51 to 2.92 mol % with respect to the whole of the monomer units, a melt flow rate at 372° C. of 19.0 to 33.0 g/10 min, and the number of functional groups of 50 or less per 106 main-chain carbon atoms.

公开(公告)号：US20230390981A1

公开(公告)日：2023-12-07

申请号：US18453810

申请日：2023-08-22

Applicant: DAIKIN INDUSTRIES, LTD.

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

IPC: B29C45/00 ,  B29C45/78

CPC classification number: B29C45/0001 ,  B29C45/78 ,  B29K2027/18

Abstract: Provided an injection molded article obtained by injection molding a copolymer using a mold provided with a gate, wherein the copolymer contains tetrafluoroethylene (TFE) unit and a fluoro(alkyl vinyl ether) (PAVE) unit, the content of the fluoro(alkyl vinyl ether) unit of the copolymer is 3.5 to 4.7% by mass with respect to the whole of the monomer units, the melt flow rate at 372° C. of the copolymer is 22.0 to 35.0 g/10 min, the number of functional groups of the copolymer is 20 or less per 106 main-chain carbon atoms, and the injection molded article has a gate section corresponding to the gate of the mold, and the ratio of the maximum flow length from the gate section of the injection molded article (a) to the average value of the product thickness on the maximum flow length (b), ((a)/(b)), is 80 to 200.

公开(公告)号：US20230383034A1

公开(公告)日：2023-11-30

申请号：US18446746

申请日：2023-08-09

Applicant: DAIKIN INDUSTRIES, LTD.

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

IPC: C08F214/26 ,  H01B3/44

CPC classification number: C08F214/265 ,  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 3.3 to 4.2% by mass with respect to the whole of the monomer units, the melt flow rate at 372° C. of 27.0 to 35.0 g/10 min, and the number of functional groups of 20 or less per 106 main-chain carbon atoms.

公开(公告)号：US20230382026A1

公开(公告)日：2023-11-30

申请号：US18448501

申请日：2023-08-11

Applicant: DAIKIN INDUSTRIES, LTD.

Inventor： Tadaharu ISAKA ,  Yumi ZENKE ,  Yukari YAMAMOTO

IPC: B29C45/00 ,  C08F246/00

CPC classification number: B29C45/0001 ,  B29K2027/12 ,  C08F246/00

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 10.3 to 11.5% by mass with respect to the whole of the monomer units, a content of the perfluoro(propyl vinyl ether) unit of 0.8 to 1.6% by mass with respect to the whole of the monomer units, and a melt flow rate at 372° C. of 10.0 to 13.0 g/10 min.

公开(公告)号：US20220195088A1

公开(公告)日：2022-06-23

申请号：US17599086

申请日：2020-04-03

Applicant: DAIKIN INDUSTRIES, LTD.

Inventor： Hitoshi IMAMURA ,  Takahisa AOYAMA ,  Hayato TSUDA ,  Tadaharu ISAKA

IPC: C08F214/26 ,  H01M50/193 ,  H01M50/426

Abstract: A member to be compressed for an electrochemical device, including a copolymer containing a tetrafluoroethylene unit and a fluoroalkyl vinyl ether unit, the copolymer having a content of the fluoroalkyl vinyl ether unit based on all the monomer units of the copolymer of 4.3% by mass or more and less than 5.5% by mass, and having a melt flow rate of 10 to 23 g/10 min.

公开(公告)号：US20220181698A1

公开(公告)日：2022-06-09

申请号：US17679789

申请日：2022-02-24

Applicant: DAIKIN INDUSTRIES, LTD.

Inventor： Tadaharu ISAKA ,  Hayato TSUDA ,  Yumi ZENKE ,  Yukari YAMAMOTO ,  Takahisa AOYAMA

IPC: H01M10/0569 ,  H01M50/186

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 more than 30 g/10 minutes.