JP7385150B2 - 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 - Google Patents

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 Download PDF

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JP7385150B2
JP7385150B2 JP2022068411A JP2022068411A JP7385150B2 JP 7385150 B2 JP7385150 B2 JP 7385150B2 JP 2022068411 A JP2022068411 A JP 2022068411A JP 2022068411 A JP2022068411 A JP 2022068411A JP 7385150 B2 JP7385150 B2 JP 7385150B2
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group
substituent
molecular weight
general formula
low molecular
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Japanese (ja)
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JP2023158519A (ja
Inventor
千誠 井口
雅生 久保内
英二 増田
雅之 辻
次郎 廣本
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Daikin Industries Ltd
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Daikin Industries Ltd
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Priority to JP2022068411A priority Critical patent/JP7385150B2/ja
Priority to CN202380033629.3A priority patent/CN119095885A/zh
Priority to PCT/JP2023/014951 priority patent/WO2023204125A1/ja
Priority to EP23791773.7A priority patent/EP4497763A4/en
Priority to JP2023180875A priority patent/JP2024001236A/ja
Publication of JP2023158519A publication Critical patent/JP2023158519A/ja
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Publication of JP7385150B2 publication Critical patent/JP7385150B2/ja
Priority to US18/912,934 priority patent/US20250034293A1/en
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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)
JP2022068411A 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 Active JP7385150B2 (ja)

Priority Applications (6)

Application Number Priority Date Filing Date Title
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
CN202380033629.3A 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
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
EP23791773.7A EP4497763A4 (en) 2022-04-18 2023-04-13 PROCESS FOR PRODUCING REFINED POLYTETRAFLUOROETHYLENE POWDER AND LOW MOLECULAR WEIGHT POLYTETRAFLUOROETHYLENE POWDER
JP2023180875A JP2024001236A (ja) 2022-04-18 2023-10-20 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
US18/912,934 US20250034293A1 (en) 2022-04-18 2024-10-11 Method for producing refined polytetrafluoroethylene powder, and low-molecular-weight polytetrafluoroethylene powder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
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

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JP2023180875A Division JP2024001236A (ja) 2022-04-18 2023-10-20 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

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JP2023158519A JP2023158519A (ja) 2023-10-30
JP7385150B2 true JP7385150B2 (ja) 2023-11-22

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JP2022068411A Active 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
JP2023180875A Pending JP2024001236A (ja) 2022-04-18 2023-10-20 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

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JP2023180875A Pending JP2024001236A (ja) 2022-04-18 2023-10-20 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

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

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010180364A (ja) 2009-02-06 2010-08-19 Daikin Ind 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
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
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
WO2021053531A1 (en) 2019-09-17 2021-03-25 Gujarat Fluorochemicals Limited Low molecular weight polytetrafluoroethylene micropowder and process for preparing the same

Family Cites Families (4)

* 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
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
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

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010180364A (ja) 2009-02-06 2010-08-19 Daikin Ind 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
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
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
WO2021053531A1 (en) 2019-09-17 2021-03-25 Gujarat Fluorochemicals Limited Low molecular weight polytetrafluoroethylene micropowder and process for preparing the same

Also Published As

Publication number Publication date
JP2023158519A (ja) 2023-10-30
US20250034293A1 (en) 2025-01-30
EP4497763A4 (en) 2026-03-18
CN119095885A (zh) 2024-12-06
WO2023204125A1 (ja) 2023-10-26
EP4497763A1 (en) 2025-01-29
JP2024001236A (ja) 2024-01-09

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