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1.发明申请公开(公告)号：US20200243862A1
公开(公告)日：2020-07-30
申请号：US16755436
申请日：2018-10-02
发明人： Kazuki HOSODA , Takahiro KITAHARA , Manabu FUJISAWA , Takashi IGUCHI , Kazuya ASANO , Chihiro SHINODA
IPC分类号： H01M4/62 , H01M4/131 , H01M10/0525 , C08F214/22 , C08F214/26 , C08F220/04
摘要： A binder for a secondary battery containing a fluorine-containing polymer (A) and polyvinylidene fluoride (B). The fluorine-containing polymer (A) contains a polymerized unit based on vinylidene fluoride, a polymerized unit based on tetrafluoroethylene, and a polymerized unit based on a monomer (2-2) represented by the following formula (2-2): wherein R5, R6, and R7 are each independently a hydrogen atom or a C1-C8 hydrocarbon group; R8 is a C1-C8 hydrocarbon group; and Y1 is an inorganic cation or an organic cation. Also disclosed is an electrode mixture and an electrode for a secondary battery including the binder, and a secondary battery including the electrode.
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2.发明公开公开(公告)号：US20240317907A1
公开(公告)日：2024-09-26
申请号：US18655177
申请日：2024-05-03
发明人： 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
CPC分类号： C08F14/26 , C08K5/098 , C08K5/42 , C08K2201/014 , C08K2201/019
摘要： Composition including (a) a fluoropolymer; and (b1) at least one of a compound represented by the formula (4) ((H—(CF2)7—COO)pM1) or the formula (4′) ((H—(CF2)8—COO)pM1) of the present disclosure, both respectively in an amount of 100 ppb or less relative to the fluoropolymer, or (b2) at least one of a compound represented by the formula (5) ((H—(CF2)13—COO)pM1) or the formula (5′) ((H—(CF2)14—COO)pM1) of the present disclose, both respectively in an amount of 100 ppb or less relative to the fluoropolymer.
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3.发明申请公开(公告)号：US20230101829A1
公开(公告)日：2023-03-30
申请号：US17974402
申请日：2022-10-26
发明人： 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
摘要： A composition including a fluoropolymer and substantially free from a compound represented by the following formula (3): (H—(CF2)8—SO3)qM2, wherein M2 is H, a metal atom, NR54, imidazolium optionally containing a substituent, pyridinium optionally containing a substituent, or phosphonium optionally containing a substituent; R5s are each H or an organic group and are the same as or different from each other; and q is 1 or 2.
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公开(公告)号：US20160145369A1
公开(公告)日：2016-05-26
申请号：US14898386
申请日：2014-06-25
发明人： Yoshikage OHMUKAI , Kazuya ASANO , Yuko SHIOTANI , Yoshito TANAKA , Manabu FUJISAWA , Kenji ICHIKAWA , Takahiro KITAHARA , Jun MIKI
IPC分类号： C08F216/06 , C08L27/16 , C08L27/18 , B01D71/38 , B01D67/00 , B01D69/06 , B01D69/08 , C08F214/26 , B01D71/34
CPC分类号： C08F216/06 , B01D67/0009 , B01D69/06 , B01D69/08 , B01D71/34 , B01D71/36 , B01D71/38 , B01D2323/12 , C08F214/265 , C08L27/16 , C08L27/18 , C08L29/04 , C08L2205/02
摘要： The present invention aims to provide a composition having excellent hydrophilicity, water permeability, mechanical strength, chemical durability, and low-fouling property, and capable of producing a porous polymer membrane from which a hydrophilic agent is less likely to be eluted. The composition of the present invention includes a vinylidene fluoride resin and a copolymer (A) including a vinyl alcohol unit and a fluoromonomer unit.
摘要翻译： 本发明的目的在于提供亲水性，透水性，机械强度，化学耐久性，低污损性优异的组合物，能够制造亲水性不易洗脱的多孔聚合物膜。 本发明的组合物包括偏二氟乙烯树脂和包含乙烯醇单元和含氟单体单元的共聚物（A）。
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公开(公告)号：US20230031459A1
公开(公告)日：2023-02-02
申请号：US17879922
申请日：2022-08-03
发明人： Tatsuya FUNAOKA , Ryouichi YANO , Manabu FUJISAWA
IPC分类号： C08F214/26
摘要： Provided is a copolymer consisting essentially of ethylene units, tetrafluoroethylene units, and hexafluoropropylene units, wherein a molar ratio (Et units/TFE units) of the ethylene (Et) units to the tetrafluoroethylene (TFE) units is 52.0/48.0 to 56.0/44.0, and a content of the hexafluoropropylene units is 19.0 to 21.0 mol % based on the total monomer units constituting the copolymer.
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公开(公告)号：US20220281144A1
公开(公告)日：2022-09-08
申请号：US17825735
申请日：2022-05-26
发明人： Hitoshi IMAMURA , Hiroyuki HAMADA , Eri MUKAI , Yuuki KUWAJIMA , Manabu FUJISAWA
IPC分类号： B29C45/00 , C08F214/26
摘要： Provided is a method for producing an injection molded article for obtaining an injection molded article by injection molding a copolymer using an injection molding machine and a mold having a hot runner, wherein the copolymer is a copolymer containing tetrafluoroethylene unit and a fluoroalkyl vinyl ether unit, and the number of functional groups of the copolymer is 100 or less per 106 main-chain carbon atoms.
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公开(公告)号：US20220213996A1
公开(公告)日：2022-07-07
申请号：US17701246
申请日：2022-03-22
发明人： Hitoshi IMAMURA , Eri MUKAI , Hiroyuki HAMADA , Yuuki KUWAJIMA , Manabu FUJISAWA
摘要： The present disclosure provides a welded body having a connecting structure formed by welding a first molded body and a second molded body, wherein the first and second molded bodies contain at least one copolymer selected from the group consisting of a tetrafluoroethylene/fluoro(alkyl vinyl ether) copolymer and a tetrafluoroethylene/hexafluoropropylene copolymer, and wherein the connecting structure has a liquid contact surface to be in contact with a liquid having a solubility parameter of 14 to 35 (MPa)1/2, a welded part formed in the connecting structure is not exposed to the liquid contact surface, and the number of particles of 30 nm or larger to be eluted from the liquid contact surface in the connecting structure is 1,000 particles/ml or less.
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8.发明申请公开(公告)号：US20220169830A1
公开(公告)日：2022-06-02
申请号：US17672013
申请日：2022-02-15
发明人： 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
摘要： A surfactant for polymerization including at least one selected from 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, wherein R1a, R2a, R3a, Xa, R1b, R2b, R3b, R4b, L and Xb are as defined herein. Also disclosed is a composition containing a fluoropolymer and the at least one surfactant, a composition containing a fluoropolymer and a compound represented by (H—(CF2)8—SO3)qM2, where M2 is as defined herein, and a molded article made from the composition containing a fluoropolymer and the compound represented by (H—(CF2)8—SO3)qM2.
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9.发明申请公开(公告)号：US20210115224A1
公开(公告)日：2021-04-22
申请号：US16498849
申请日：2018-03-30
发明人： 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 NAN BA , Kengo ITO , Chiaki OKUI , Hirokazu AOYAMA , Masamichi SUKEGAWA , Taku YAMANAKA , Hiroyuki SATO , Yuuji TANAKA , Kenji ICHIKAWA , Yohei FUJIMOTO
摘要： 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—R2 a—CO—R3a—OSO3Xa and a surfactant represented by R1b—CO—(CR2b2)n—(OR3b)p—(CR4b2)q-L-OSO3Xb.
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公开(公告)号：US20200067052A1
公开(公告)日：2020-02-27
申请号：US16610591
申请日：2018-03-27
IPC分类号： H01M2/16 , H01M10/0525 , C08F214/22 , H01M10/058 , C08F214/26
摘要： A secondary battery separator including a porous substrate and a porous film firmly bonded to each other, the porous film being disposed on or above the porous substrate. The porous film contains a fluorine-containing polymer that contains a polymerized unit based on vinylidene fluoride, a polymerized unit based on tetrafluoroethylene, and a polymerized unit based on a monomer represented by the following formula (2-2): R5R6C═CR7R8CO2Y1 (2-2) wherein R5, R6, and R7 are each independently a hydrogen atom or a C1-C8 hydrocarbon group; R8 is a C1-C8 hydrocarbon group; and Y1 is an inorganic cation and/or an organic cation. Also disclosed is a secondary battery including the secondary battery separator; a positive electrode; a negative electrode; and a non-aqueous electrolyte solution.
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