CN119095885A - 精制聚四氟乙烯粉末的制造方法和低分子量聚四氟乙烯粉末 - Google Patents

精制聚四氟乙烯粉末的制造方法和低分子量聚四氟乙烯粉末 Download PDF

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Publication number
CN119095885A
CN119095885A CN202380033629.3A CN202380033629A CN119095885A CN 119095885 A CN119095885 A CN 119095885A CN 202380033629 A CN202380033629 A CN 202380033629A CN 119095885 A CN119095885 A CN 119095885A
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CN
China
Prior art keywords
group
general formula
polytetrafluoroethylene powder
molecular weight
substituent
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.)
Pending
Application number
CN202380033629.3A
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English (en)
Chinese (zh)
Inventor
井口千诚
久保内雅生
增田英二
十雅之
广本次郎
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
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Daikin Industries Ltd
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Filing date
Publication date
Application filed by Daikin Industries Ltd filed Critical Daikin Industries Ltd
Publication of CN119095885A publication Critical patent/CN119095885A/zh
Pending legal-status Critical Current

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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
    • C08F6/00—Post-polymerisation treatments
    • C08F6/14—Treatment of polymer emulsions
    • C08F6/16—Purification
    • 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
    • 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

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  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Polymerisation Methods In General (AREA)
CN202380033629.3A 2022-04-18 2023-04-13 精制聚四氟乙烯粉末的制造方法和低分子量聚四氟乙烯粉末 Pending CN119095885A (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2022-068411 2022-04-18
JP2022068411A JP7385150B2 (ja) 2022-04-18 2022-04-18 精製ポリテトラフルオロエチレン粉末の製造方法及び低分子量ポリテトラフルオロエチレン粉末
PCT/JP2023/014951 WO2023204125A1 (ja) 2022-04-18 2023-04-13 精製ポリテトラフルオロエチレン粉末の製造方法及び低分子量ポリテトラフルオロエチレン粉末

Publications (1)

Publication Number Publication Date
CN119095885A true CN119095885A (zh) 2024-12-06

Family

ID=88420010

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202380033629.3A Pending CN119095885A (zh) 2022-04-18 2023-04-13 精制聚四氟乙烯粉末的制造方法和低分子量聚四氟乙烯粉末

Country Status (5)

Country Link
US (1) US20250034293A1 (https=)
EP (1) EP4497763A4 (https=)
JP (2) JP7385150B2 (https=)
CN (1) CN119095885A (https=)
WO (1) WO2023204125A1 (https=)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024154803A1 (ja) * 2023-01-18 2024-07-25 ダイキン工業株式会社 テトラフルオロエチレン系ポリマー組成物、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
WO2024154805A1 (ja) * 2023-01-18 2024-07-25 ダイキン工業株式会社 テトラフルオロエチレン系ポリマー組成物、固体二次電池用バインダー、電解質層用合剤、電極合剤、電極、及び、固体二次電池
JP7697574B1 (ja) * 2024-11-21 2025-06-24 Ａｇｃ株式会社 固形物、成形体、固形物の製造方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3931382B2 (ja) 1996-09-18 2007-06-13 ダイキン工業株式会社 ポリテトラフルオロエチレン粉末及びその製造方法
WO2009020187A1 (ja) 2007-08-07 2009-02-12 Daikin Industries, Ltd. 低分子量ポリテトラフルオロエチレン水性分散液、低分子量ポリテトラフルオロエチレン粉末及び低分子量ポリテトラフルオロエチレンの製造方法
JP5287310B2 (ja) * 2009-02-06 2013-09-11 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水性分散液、低分子量ポリテトラフルオロエチレン粉末及び低分子量ポリテトラフルオロエチレンの製造方法
WO2019031617A1 (ja) * 2017-08-10 2019-02-14 ダイキン工業株式会社 精製ポリテトラフルオロエチレン水性分散液の製造方法、改質ポリテトラフルオロエチレン粉末の製造方法、ポリテトラフルオロエチレン成形体の製造方法、及び、組成物
SG11202000862YA (en) * 2017-08-10 2020-02-27 Daikin Ind Ltd Method for producing purified polytetrafluoroethylene aqueous dispersion liquid, method for producing modified polytetrafluoroethylene powder, method for producing polytetrafluoroethylene molded body, and composition
WO2020213691A1 (ja) * 2019-04-16 2020-10-22 ダイキン工業株式会社 フルオロポリマー粉末の製造方法
JP7236004B2 (ja) 2019-04-26 2023-03-09 ダイキン工業株式会社 フルオロポリマー水性分散液の製造方法及びフルオロポリマー水性分散液
KR20220065003A (ko) * 2019-09-17 2022-05-19 구자라트 플루오로케미칼스 리미티드 저분자량 폴리테트라플루오로에틸렌 미세분말 및 그것의 제조 방법

Also Published As

Publication number Publication date
JP2023158519A (ja) 2023-10-30
US20250034293A1 (en) 2025-01-30
EP4497763A4 (en) 2026-03-18
JP7385150B2 (ja) 2023-11-22
WO2023204125A1 (ja) 2023-10-26
EP4497763A1 (en) 2025-01-29
JP2024001236A (ja) 2024-01-09

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