JP6959751B2 - フッ化ビニリデン共重合体粒子及びその利用 - Google Patents

フッ化ビニリデン共重合体粒子及びその利用 Download PDF

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Publication number
JP6959751B2
JP6959751B2 JP2017072858A JP2017072858A JP6959751B2 JP 6959751 B2 JP6959751 B2 JP 6959751B2 JP 2017072858 A JP2017072858 A JP 2017072858A JP 2017072858 A JP2017072858 A JP 2017072858A JP 6959751 B2 JP6959751 B2 JP 6959751B2
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Prior art keywords
vinylidene fluoride
fluoride copolymer
copolymer particles
coating composition
oxygen atom
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Japanese (ja)
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JP2018172596A (ja
JP2018172596A5 (enExample
Inventor
佳余子 岡田
善幸 長澤
彩 及川
夢乃 鈴木
正太 小林
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Kureha Corp
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Kureha Corp
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Application filed by Kureha Corp filed Critical Kureha Corp
Priority to JP2017072858A priority Critical patent/JP6959751B2/ja
Priority to US16/485,585 priority patent/US11919983B2/en
Priority to CN201880005834.8A priority patent/CN110167976B/zh
Priority to PCT/JP2018/001309 priority patent/WO2018179696A1/ja
Priority to EP18776446.9A priority patent/EP3604363B1/en
Priority to KR1020197020302A priority patent/KR102219159B1/ko
Publication of JP2018172596A publication Critical patent/JP2018172596A/ja
Publication of JP2018172596A5 publication Critical patent/JP2018172596A5/ja
Publication of JP6959751B2 publication Critical patent/JP6959751B2/ja
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    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F214/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen
    • C08F214/18—Monomers containing fluorine
    • C08F214/22—Vinylidene fluoride
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F14/00—Homopolymers and copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen
    • C08F14/18—Monomers containing fluorine
    • C08F14/22—Vinylidene fluoride
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F214/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen
    • C08F214/18—Monomers containing fluorine
    • C08F214/22—Vinylidene fluoride
    • C08F214/225—Vinylidene fluoride with non-fluorinated comonomers
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
    • C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
    • C08F220/10—Esters
    • C08F220/26—Esters containing oxygen in addition to the carboxy oxygen
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/02—Elements
    • C08K3/04—Carbon
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20—Oxides; Hydroxides
    • C08K3/22—Oxides; Hydroxides of metals
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D127/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Coating compositions based on derivatives of such polymers
    • C09D127/02—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Coating compositions based on derivatives of such polymers not modified by chemical after-treatment
    • C09D127/12—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Coating compositions based on derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
    • C09D127/16—Homopolymers or copolymers of vinylidene fluoride
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/409—Separators, membranes or diaphragms characterised by the material
    • H01M50/411—Organic material
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/409—Separators, membranes or diaphragms characterised by the material
    • H01M50/411—Organic material
    • H01M50/414—Synthetic resins, e.g. thermoplastics or thermosetting resins
    • H01M50/426—Fluorocarbon polymers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/409—Separators, membranes or diaphragms characterised by the material
    • H01M50/449—Separators, membranes or diaphragms characterised by the material having a layered structure
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/46—Separators, membranes or diaphragms characterised by their combination with electrodes
    • H01M50/461—Separators, membranes or diaphragms characterised by their combination with electrodes with adhesive layers between electrodes and separators
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20—Oxides; Hydroxides
    • C08K3/22—Oxides; Hydroxides of metals
    • C08K2003/2203—Oxides; Hydroxides of metals of lithium
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20—Oxides; Hydroxides
    • C08K3/22—Oxides; Hydroxides of metals
    • C08K2003/2262—Oxides; Hydroxides of metals of manganese
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20—Oxides; Hydroxides
    • C08K3/22—Oxides; Hydroxides of metals
    • C08K2003/2289—Oxides; Hydroxides of metals of cobalt
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20—Oxides; Hydroxides
    • C08K3/22—Oxides; Hydroxides of metals
    • C08K2003/2293—Oxides; Hydroxides of metals of nickel
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Cell Separators (AREA)
  • Battery Electrode And Active Subsutance (AREA)
  • Polymerisation Methods In General (AREA)
  • Paints Or Removers (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
JP2017072858A 2017-03-31 2017-03-31 フッ化ビニリデン共重合体粒子及びその利用 Active JP6959751B2 (ja)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP2017072858A JP6959751B2 (ja) 2017-03-31 2017-03-31 フッ化ビニリデン共重合体粒子及びその利用
EP18776446.9A EP3604363B1 (en) 2017-03-31 2018-01-18 Vinylidene fluoride copolymer particles and use thereof
CN201880005834.8A CN110167976B (zh) 2017-03-31 2018-01-18 偏氟乙烯共聚物粒子及其利用
PCT/JP2018/001309 WO2018179696A1 (ja) 2017-03-31 2018-01-18 フッ化ビニリデン共重合体粒子及びその利用
US16/485,585 US11919983B2 (en) 2017-03-31 2018-01-18 Vinylidene fluoride copolymer particles and use thereof
KR1020197020302A KR102219159B1 (ko) 2017-03-31 2018-01-18 불화 비닐리덴 공중합체 입자 및 이의 이용

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Application Number Priority Date Filing Date Title
JP2017072858A JP6959751B2 (ja) 2017-03-31 2017-03-31 フッ化ビニリデン共重合体粒子及びその利用

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JP2018172596A JP2018172596A (ja) 2018-11-08
JP2018172596A5 JP2018172596A5 (enExample) 2020-04-16
JP6959751B2 true JP6959751B2 (ja) 2021-11-05

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US (1) US11919983B2 (enExample)
EP (1) EP3604363B1 (enExample)
JP (1) JP6959751B2 (enExample)
KR (1) KR102219159B1 (enExample)
CN (1) CN110167976B (enExample)
WO (1) WO2018179696A1 (enExample)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019111481A1 (ja) * 2017-12-07 2019-06-13 リンテック株式会社 ワーク加工用シートおよび加工済みワークの製造方法
JP7083690B2 (ja) * 2018-04-26 2022-06-13 株式会社クレハ 粒子
EP3950827B1 (en) * 2019-03-29 2023-07-26 Kureha Corporation Vinylidene-fluoride-based polymer composition obtained using non-fluorinated surfactant and production method therefor
EP3767710A1 (en) * 2019-07-15 2021-01-20 Arkema France Waterbased pvdf slurry formulation for silicon graphite anodes
KR102224071B1 (ko) * 2019-10-25 2021-03-05 한국화학연구원 불소계 고분자 복합막 및 이의 제조방법
EP4159682A4 (en) * 2020-05-27 2023-12-13 Panasonic Intellectual Property Management Co., Ltd. BARIUM COMPOUND STRUCTURE AND PRODUCTION METHOD THEREOF
JP7445772B2 (ja) * 2020-08-28 2024-03-07 株式会社クレハ 樹脂組成物およびこれを含むコーティング組成物、積層用電極、積層用セパレータ、ならびに非水電解質二次電池およびその製造方法
US20260163002A1 (en) * 2021-10-29 2026-06-11 Kureha Corporation Binder for positive electrodes, positive electrode mixture, positive electrode, and nonaqueous electrolyte secondary battery
CN117625088A (zh) * 2022-08-30 2024-03-01 宁德时代新能源科技股份有限公司 粘结剂、制备方法、正极浆料、二次电池及用电装置

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3178399A (en) 1961-08-10 1965-04-13 Minnesota Mining & Mfg Fluorine-containing polymers and preparation thereof
US5349003A (en) 1988-09-20 1994-09-20 Japan Synthetic Rubber Co., Ltd. Aqueous fluorine-containing polymer dispersion and aqueous dispersion containing fluorine-containing polymer and water-soluble resin and/or water dispersible resin
WO1995008582A1 (en) 1993-09-22 1995-03-30 Daikin Industries, Ltd. Aqueous fluorocopolymer dispersion
DE69700138T2 (de) 1996-01-31 1999-09-02 Aea Technology Plc Polyvinylidenfluorid als polymerer Festelektrolyt für Lithium-Ionen-Batterien
WO1999003900A1 (en) 1997-07-17 1999-01-28 Elf Atochem North America, Inc. Fluoropolymer powder coatings from modified thermoplastic vinylidene fluoride based resins
US7803867B2 (en) 2005-05-19 2010-09-28 Arkema Inc. Highly weatherable roof coatings containing aqueous fluoropolymer dispersions
TW200740913A (en) * 2006-02-02 2007-11-01 Jsr Corp Polymer composition, paste for secondary battery electrode, and secondary battery electrode
JP5595870B2 (ja) 2010-10-28 2014-09-24 三菱瓦斯化学株式会社 シャトルコック用ベース本体及びそれに用いる発泡成形体の製造方法
EP2452951A1 (de) 2010-11-16 2012-05-16 LANXESS Deutschland GmbH Silanhaltige carbinolterminierte Polymere
HUE030957T2 (en) 2010-12-28 2017-06-28 Kureha Corp Vinylidene-fluoride-based copolymer and application of said copolymer
JP5924501B2 (ja) * 2011-03-01 2016-05-25 Jsr株式会社 蓄電デバイス電極用スラリー、蓄電デバイス電極および蓄電デバイスの製造方法
JP5701131B2 (ja) * 2011-04-05 2015-04-15 株式会社クレハ フッ化ビニリデン系共重合体、および該共重合体の用途
JP4849286B1 (ja) 2011-06-06 2012-01-11 Ｊｓｒ株式会社 正極用バインダー組成物
KR102103693B1 (ko) 2011-06-23 2020-04-24 솔베이 스페셜티 폴리머스 이태리 에스.피.에이. 이차 전지
JP4957932B1 (ja) 2011-08-30 2012-06-20 Ｊｓｒ株式会社 蓄電デバイス電極用バインダー組成物、蓄電デバイス電極用スラリー、蓄電デバイス電極、および蓄電デバイス
US9850394B2 (en) 2012-06-28 2017-12-26 Kureha Corporation Resin composition, filler-containing resin film for non-aqueous electrolyte secondary battery, and method for producing filler-containing resin film for non-aqueous electrolyte secondary battery
JP6045581B2 (ja) 2012-06-28 2016-12-14 株式会社クレハ 非水電解質二次電池用樹脂膜の製造方法および非水電解質二次電池用樹脂膜
US10074840B2 (en) 2012-11-30 2018-09-11 Teijin Limited Separator for non-aqueous secondary battery and non-aqueous secondary battery
JP6357327B2 (ja) 2014-03-11 2018-07-11 株式会社クレハ フッ化ビニリデン系共重合体、その製造方法、ゲル電解質および非水系電池
JP2016128541A (ja) 2015-01-09 2016-07-14 株式会社リコー 半導電性樹脂組成物、電子写真用部材及び画像形成装置
EP3285316B1 (en) 2015-04-16 2019-12-11 Kureha Corporation Electrode structure and method for manufacturing same
WO2018011244A1 (en) 2016-07-15 2018-01-18 Solvay Specialty Polymers Italy S.P.A. Fluorinated surfactant-free aqueous dispersion of a vinylidene fluoride copolymer comprising hydroxyl groups

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Publication number Publication date
CN110167976B (zh) 2022-03-08
CN110167976A (zh) 2019-08-23
EP3604363A4 (en) 2020-04-08
EP3604363B1 (en) 2022-04-06
EP3604363A1 (en) 2020-02-05
JP2018172596A (ja) 2018-11-08
US11919983B2 (en) 2024-03-05
KR20190090016A (ko) 2019-07-31
US20210179756A1 (en) 2021-06-17
KR102219159B1 (ko) 2021-02-24
WO2018179696A1 (ja) 2018-10-04

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