公开(公告)号：US11767379B2

公开(公告)日：2023-09-26

申请号：US16976945

申请日：2019-03-01

Applicant: DAIKIN INDUSTRIES, LTD.

Inventor： Yoshinori Nanba ,  Kenji Ichikawa ,  Yohei Fujimoto ,  Hirotoshi Yoshida ,  Hiroyuki Sato ,  Taketo Kato ,  Kengo Ito ,  Sumi Ishihara ,  Masahiro Higashi ,  Satoru Yoneda ,  Hirokazu Aoyama ,  Masamichi Sukegawa ,  Yosuke Kishikawa ,  Takahiro Taira ,  Chiaki Okui ,  Taku Yamanaka

IPC: C08F14/26 ,  B29C55/00 ,  C08F2/22 ,  C08F2/44 ,  C08F261/06 ,  C08F114/26 ,  C08F214/26 ,  B29K27/18

CPC classification number: C08F14/26 ,  B29C55/005 ,  C08F2/22 ,  C08F2/44 ,  C08F114/26 ,  C08F214/26 ,  C08F261/06 ,  B29K2027/18

Abstract: A method for producing a fluoropolymer, which includes polymerizing a fluoromonomer in an aqueous medium in the presence of a polymer (1), the polymer (1) including a polymerized unit derived from a monomer CX2═CY(—CZ2—O—Rf-A), wherein X is the same or different and is —H or —F; Y is —H, —F, an alkyl group, or a fluorine-containing alkyl group; Z is the same or different and is —H, —F, an alkyl group, or a fluoroalkyl group; Rf is a C1-C40 fluorine-containing alkylene group or a C—C100 fluorine-containing alkylene group and having an ether bond; and A is —COOM, —SO3M, or —OSO3M, wherein M is —H, a metal atom, —NR74, imidazolium optionally having a substituent, pyridinium optionally having a substituent, or phosphonium optionally having a substituent, wherein R7 is H or an organic group, providing that at least one of X, Y, and Z contains a fluorine atom.

公开(公告)号：US11512155B2

公开(公告)日：2022-11-29

申请号：US16499047

申请日：2018-03-30

Applicant: DAIKIN INDUSTRIES, LTD.

Inventor： Taketo Kato ,  Satoru Yoneda ,  Manabu Fujisawa ,  Kazuya Asano ,  Takahiro Kitahara ,  Masahiro Higashi ,  Akiyoshi Yamauchi ,  Sumi Ishihara ,  Yosuke Kishikawa ,  Shinnosuke Nitta ,  Marina Nakano ,  Hirotoshi Yoshida ,  Yoshinori Nanba ,  Kengo Ito ,  Chiaki Okui ,  Hirokazu Aoyama ,  Masamichi Sukegawa ,  Taku Yamanaka ,  Yuuji Tanaka ,  Kenji Ichikawa ,  Yohei Fujimoto ,  Hiroyuki Sato

IPC: C08F14/26 ,  C08K5/098 ,  C08K5/42

Abstract: A method for producing a fluoropolymer of the invention which includes polymerizing a fluoromonomer in an aqueous medium in the presence of a surfactant to provide a fluoropolymer. The surfactant includes at least one selected from the group consisting of a surfactant represented by R1a—CO—R2a—CO—R3a-Aa and a surfactant represented by R1b—CO—(CR2b2)n—(OR3b)p—(CR4b2)q-L-Ab.

公开(公告)号：US09343744B2

公开(公告)日：2016-05-17

申请号：US14374003

申请日：2013-01-24

Applicant: DAIKIN INDUSTRIES, LTD.

Inventor： Takashi Iguchi ,  Takahiro Kitahara ,  Takuji Ishikawa ,  Toshiki Ichisaka ,  Kazunobu Uchida ,  Tomoyuki Fukatani ,  Manabu Fujisawa ,  Kenji Ichikawa

IPC: H01M4/62 ,  C08F214/22 ,  C08F114/22 ,  C08L27/16 ,  H01M10/0525 ,  C09D127/16 ,  H01M4/04 ,  H01M4/13 ,  H01M4/02

CPC classification number: H01M4/623 ,  C08F114/22 ,  C08F214/22 ,  C08F214/225 ,  C08L27/16 ,  C08L2205/025 ,  C09D127/16 ,  H01M4/0404 ,  H01M4/043 ,  H01M4/13 ,  H01M10/0525 ,  H01M2004/027 ,  H01M2004/028 ,  Y02E60/122

Abstract: A binder, including a fluoropolymer, the fluoropolymer including a polymerization unit based on vinylidene fluoride and a polymerization unit based on a monomer having an amide group represented by —CO—NRR′ (R and R′ are the same as or different from each other and each represent a hydrogen atom or an alkyl group optionally having a substituent group) or an amide bond represented by —CO—NR″— (R″ represents a hydrogen atom, an alkyl group optionally having a substituent group, or a phenyl group optionally having a substituent group) and having a solution viscosity of 10 to 20,000 mPa·s. Also disclosed is a positive electrode mixture and a negative electrode mixture containing the binder, a positive electrode, a negative electrode and a lithium ion secondary cell.

Abstract translation: 包含氟聚合物的粘合剂，包含基于偏二氟乙烯的聚合单元的含氟聚合物和基于由-CO-NRR'表示的具有酰胺基的单体的聚合单元（R和R'彼此相同或不同） 并且各自表示氢原子或任选具有取代基的烷基）或由-CO-NR“ - （R”表示氢原子，任选具有取代基的烷基或任选具有取代基的苯基）表示的酰胺键 具有取代基），溶液粘度为10〜20,000mPa·s。 还公开了含有粘合剂，正极，负极和锂离子二次电池的正极混合物和负极混合物。

公开(公告)号：US11952441B2

公开(公告)日：2024-04-09

申请号：US17280940

申请日：2019-10-03

Applicant: DAIKIN INDUSTRIES, LTD.

Inventor： Taketo Kato ,  Yohei Fujimoto ,  Kenji Ichikawa ,  Hiroyuki Sato ,  Yoshinori Nanba ,  Hirotoshi Yoshida ,  Kengo Ito ,  Chiaki Okui ,  Masamichi Sukegawa ,  Taku Yamanaka

IPC: C08F114/26 ,  C08L27/18

CPC classification number: C08F114/26 ,  C08L27/18

Abstract: A method for producing polytetrafluoroethylene, which includes polymerizing tetrafluoroethylene in an aqueous medium in the presence of a nucleating agent and a hydrocarbon anionic surfactant to obtain polytetrafluoroethylene. A total amount of the nucleating agent and the hydrocarbon anionic surfactant at the initiation of polymerization is more than 50 ppm based on the aqueous medium.

公开(公告)号：US11279814B2

公开(公告)日：2022-03-22

申请号：US16498849

申请日：2018-03-30

Applicant: DAIKIN INDUSTRIES, LTD.

Inventor： Taketo Kato ,  Satoru Yoneda ,  Manabu Fujisawa ,  Kazuya Asano ,  Takahiro Kitahara ,  Masahiro Higashi ,  Akiyoshi Yamauchi ,  Sumi Ishihara ,  Yosuke Kishikawa ,  Shinnosuke Nitta ,  Marina Nakano ,  Hirotoshi Yoshida ,  Yoshinori Nanba ,  Kengo Ito ,  Chiaki Okui ,  Hirokazu Aoyama ,  Masamichi Sukegawa ,  Taku Yamanaka ,  Hiroyuki Sato ,  Yuuji Tanaka ,  Kenji Ichikawa ,  Yohei Fujimoto

IPC: C08K5/41 ,  C08F14/26 ,  C08K5/098

Abstract: A method for producing a fluoropolymer which includes polymerizing a fluoromonomer in an aqueous medium in the presence of a surfactant to provide a fluoropolymer. The surfactant includes at least one selected from the group consisting of a surfactant represented by R1a—CO—R2a—CO—R3a—OSO3Xa and a surfactant represented by R1b—CO—(CR2b2)n—(OR3b)p—(CR4b2)q-L-OSO3Xb.

公开(公告)号：US20150017532A1

公开(公告)日：2015-01-15

申请号：US14374003

申请日：2013-01-24

Applicant: DAIKIN INDUSTRIES, LTD.

Inventor： Takashi Iguchi ,  Takahiro Kitahara ,  Takuji Ishikawa ,  Toshiki Ichisaka ,  Kazunobu Uchida ,  Tomoyuki Fukatani ,  Manabu Fujisawa ,  Kenji Ichikawa

IPC: H01M4/62 ,  C08F114/22 ,  C08L27/16 ,  H01M10/0525

CPC classification number: H01M4/623 ,  C08F114/22 ,  C08F214/22 ,  C08F214/225 ,  C08L27/16 ,  C08L2205/025 ,  C09D127/16 ,  H01M4/0404 ,  H01M4/043 ,  H01M4/13 ,  H01M10/0525 ,  H01M2004/027 ,  H01M2004/028 ,  Y02E60/122

Abstract: A binder, including a fluoropolymer, the fluoropolymer including a polymerization unit based on vinylidene fluoride and a polymerization unit based on a monomer having an amide group represented by —CO—NRR′ (R and R′ are the same as or different from each other and each represent a hydrogen atom or an alkyl group optionally having a substituent group) or an amide bond represented by —CO—NR″— (R″ represents a hydrogen atom, an alkyl group optionally having a substituent group, or a phenyl group optionally having a substituent group) and having a solution viscosity of 10 to 20,000 mPa·s. Also disclosed is a positive electrode mixture and a negative electrode mixture containing the binder, a positive electrode, a negative electrode and a lithium ion secondary cell.

Abstract translation: 包含氟聚合物的粘合剂，包含基于偏二氟乙烯的聚合单元的含氟聚合物和基于由-CO-NRR'表示的具有酰胺基的单体的聚合单元（R和R'彼此相同或不同） 并且各自表示氢原子或任选具有取代基的烷基）或由-CO-NR“ - （R”表示氢原子，任选具有取代基的烷基或任选具有取代基的苯基）表示的酰胺键 具有取代基），溶液粘度为10〜20,000mPa·s。 还公开了含有粘合剂，正极，负极和锂离子二次电池的正极混合物和负极混合物。