JP7730047B2 - ポリテトラフルオロエチレン粒子の製造方法 - Google Patents

ポリテトラフルオロエチレン粒子の製造方法

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Publication number
JP7730047B2
JP7730047B2 JP2023532058A JP2023532058A JP7730047B2 JP 7730047 B2 JP7730047 B2 JP 7730047B2 JP 2023532058 A JP2023532058 A JP 2023532058A JP 2023532058 A JP2023532058 A JP 2023532058A JP 7730047 B2 JP7730047 B2 JP 7730047B2
Authority
JP
Japan
Prior art keywords
particles
polytetrafluoroethylene
pulverized
polytetrafluoroethylene particles
manufacturing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
JP2023532058A
Other languages
English (en)
Japanese (ja)
Other versions
JPWO2023277138A1 (https=
JPWO2023277138A5 (https=
Inventor
孝之 田中
政佳 宮本
智貴 南山
岳樹 楠
隆博 平良
拓也 山部
裕俊 吉田
丈人 加藤
拓 山中
充郎 塚本
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Daikin Industries Ltd
Original Assignee
Daikin Industries Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Daikin Industries Ltd filed Critical Daikin Industries Ltd
Publication of JPWO2023277138A1 publication Critical patent/JPWO2023277138A1/ja
Publication of JPWO2023277138A5 publication Critical patent/JPWO2023277138A5/ja
Application granted granted Critical
Publication of JP7730047B2 publication Critical patent/JP7730047B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • C08F6/00—Post-polymerisation treatments
    • C08F6/008—Treatment of solid polymer wetted by water or organic solvents, e.g. coagulum, filter cakes
    • 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
    • C08F114/00—Homopolymers 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
    • C08F114/18—Monomers containing fluorine
    • C08F114/26—Tetrafluoroethene
    • 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
    • C08F14/26—Tetrafluoroethene
    • 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
    • C08F214/26—Tetrafluoroethene
    • C08F214/262—Tetrafluoroethene with fluorinated vinyl ethers
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J3/00—Processes of treating or compounding macromolecular substances
    • C08J3/12—Powdering or granulating
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J3/00—Processes of treating or compounding macromolecular substances
    • C08J3/12—Powdering or granulating
    • C08J3/16—Powdering or granulating by coagulating dispersions
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
    • C08J7/08—Heat treatment
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2327/00—Characterised by the use of 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; Derivatives of such polymers
    • C08J2327/02—Characterised by the use of 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; Derivatives of such polymers not modified by chemical after-treatment
    • C08J2327/12—Characterised by the use of 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; Derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
    • C08J2327/18—Homopolymers or copolymers of tetrafluoroethylene

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
JP2023532058A 2021-06-30 2022-06-30 ポリテトラフルオロエチレン粒子の製造方法 Active JP7730047B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2021109115 2021-06-30
JP2021109115 2021-06-30
PCT/JP2022/026258 WO2023277138A1 (ja) 2021-06-30 2022-06-30 ポリテトラフルオロエチレン粒子の製造方法

Publications (3)

Publication Number Publication Date
JPWO2023277138A1 JPWO2023277138A1 (https=) 2023-01-05
JPWO2023277138A5 JPWO2023277138A5 (https=) 2024-03-25
JP7730047B2 true JP7730047B2 (ja) 2025-08-27

Family

ID=84692774

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2023532058A Active JP7730047B2 (ja) 2021-06-30 2022-06-30 ポリテトラフルオロエチレン粒子の製造方法

Country Status (5)

Country Link
US (1) US20240150533A1 (https=)
EP (1) EP4365223A4 (https=)
JP (1) JP7730047B2 (https=)
CN (1) CN117545796A (https=)
WO (1) WO2023277138A1 (https=)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111574829B (zh) * 2020-04-24 2022-07-26 金发科技股份有限公司 一种聚酰胺复合材料及其制备方法
WO2025005277A1 (ja) * 2023-06-30 2025-01-02 ダイキン工業株式会社 ポリテトラフルオロエチレン、電気化学デバイス用バインダー、電極合剤、電極、及び、二次電池

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CN1876530A (zh) 2006-05-26 2006-12-13 上海三爱富新材料股份有限公司 输送喷嘴、使用该喷嘴的聚四氟乙烯细粒加工方法和设备
WO2019156071A1 (ja) 2018-02-07 2019-08-15 ダイキン工業株式会社 低分子量ポリテトラフルオロエチレンを含む組成物の製造方法
WO2019156065A1 (ja) 2018-02-07 2019-08-15 ダイキン工業株式会社 低分子量ポリテトラフルオロエチレンを含む組成物の製造方法

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US3250808A (en) 1963-10-31 1966-05-10 Du Pont Fluorocarbon ethers derived from hexafluoropropylene epoxide
JPS63159438A (ja) * 1986-12-22 1988-07-02 Daikin Ind Ltd テトラフルオロエチレン系共重合体粉末の製法
KR19980702633A (ko) * 1995-03-14 1998-08-05 이노우에 노리유끼 폴리테트라플루오로에틸렌 성형용 분말의 제조방법
JP3900883B2 (ja) 2001-10-05 2007-04-04 ダイキン工業株式会社 含フッ素重合体ラテックスの製造方法
EP1449866A4 (en) 2001-10-24 2007-04-11 Daikin Ind Ltd PTFE POWDER AND METHOD FOR PRODUCING PTFE POWDER FOR FORMING
CN1875035B (zh) 2003-10-31 2010-12-01 大金工业株式会社 含氟聚合物水性分散体的制造方法及含氟聚合物水性分散体
GB0514398D0 (en) 2005-07-15 2005-08-17 3M Innovative Properties Co Aqueous emulsion polymerization of fluorinated monomers using a fluorinated surfactant
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GB0514387D0 (en) 2005-07-15 2005-08-17 3M Innovative Properties Co Aqueous emulsion polymerization of fluorinated monomers using a perfluoropolyether surfactant
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WO2019156071A1 (ja) 2018-02-07 2019-08-15 ダイキン工業株式会社 低分子量ポリテトラフルオロエチレンを含む組成物の製造方法
WO2019156065A1 (ja) 2018-02-07 2019-08-15 ダイキン工業株式会社 低分子量ポリテトラフルオロエチレンを含む組成物の製造方法

Also Published As

Publication number Publication date
EP4365223A1 (en) 2024-05-08
EP4365223A4 (en) 2025-07-16
WO2023277138A1 (ja) 2023-01-05
CN117545796A (zh) 2024-02-09
US20240150533A1 (en) 2024-05-09
JPWO2023277138A1 (https=) 2023-01-05

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