JP7657762B2 - ポリテトラフルオロエチレンファインパウダー - Google Patents

ポリテトラフルオロエチレンファインパウダー Download PDF

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Publication number
JP7657762B2
JP7657762B2 JP2022158883A JP2022158883A JP7657762B2 JP 7657762 B2 JP7657762 B2 JP 7657762B2 JP 2022158883 A JP2022158883 A JP 2022158883A JP 2022158883 A JP2022158883 A JP 2022158883A JP 7657762 B2 JP7657762 B2 JP 7657762B2
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Japan
Prior art keywords
fine powder
less
mass
ptfe
coom
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JP2022158883A
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English (en)
Japanese (ja)
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JP2023051890A (ja
Inventor
丈人 加藤
幸平 安田
拓 山中
政佳 宮本
健太 村山
亮太 宇佐美
裕俊 吉田
洋之 佐藤
絵美 山本
賢汰 西村
伸樹 浦岡
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Daikin Industries Ltd
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Daikin Industries Ltd
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Publication of JP2023051890A publication Critical patent/JP2023051890A/ja
Priority to JP2023144618A priority Critical patent/JP2023162423A/ja
Application granted granted Critical
Publication of JP7657762B2 publication Critical patent/JP7657762B2/ja
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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
    • 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
    • C08F2/00—Processes of polymerisation
    • C08F2/12—Polymerisation in non-solvents
    • C08F2/16—Aqueous medium
    • C08F2/22—Emulsion polymerisation
    • C08F2/24—Emulsion polymerisation with the aid of emulsifying agents
    • C08F2/26—Emulsion polymerisation with the aid of emulsifying agents anionic
    • 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
    • C08F2/00—Processes of polymerisation
    • C08F2/44—Polymerisation in the presence of compounding ingredients, e.g. plasticisers, dyestuffs, fillers
    • 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
    • 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
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F6/00—Post-polymerisation treatments
    • C08F6/14—Treatment of polymer emulsions
    • 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
    • C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/18—Manufacture of films or sheets
    • 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)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
JP2022158883A 2021-09-30 2022-09-30 ポリテトラフルオロエチレンファインパウダー Active JP7657762B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2023144618A JP2023162423A (ja) 2021-09-30 2023-09-06 ポリテトラフルオロエチレンファインパウダー

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2021161571 2021-09-30
JP2021161571 2021-09-30
JP2022128027 2022-08-10
JP2022128027 2022-08-10

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2023144618A Division JP2023162423A (ja) 2021-09-30 2023-09-06 ポリテトラフルオロエチレンファインパウダー

Publications (2)

Publication Number Publication Date
JP2023051890A JP2023051890A (ja) 2023-04-11
JP7657762B2 true JP7657762B2 (ja) 2025-04-07

Family

ID=85780810

Family Applications (2)

Application Number Title Priority Date Filing Date
JP2022158883A Active JP7657762B2 (ja) 2021-09-30 2022-09-30 ポリテトラフルオロエチレンファインパウダー
JP2023144618A Pending JP2023162423A (ja) 2021-09-30 2023-09-06 ポリテトラフルオロエチレンファインパウダー

Family Applications After (1)

Application Number Title Priority Date Filing Date
JP2023144618A Pending JP2023162423A (ja) 2021-09-30 2023-09-06 ポリテトラフルオロエチレンファインパウダー

Country Status (4)

Country Link
US (1) US20240287263A1 (enExample)
EP (1) EP4393966A4 (enExample)
JP (2) JP7657762B2 (enExample)
WO (1) WO2023054723A1 (enExample)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2025010033A (ja) * 2023-06-30 2025-01-20 ダイキン工業株式会社 容器
CN121712810A (zh) 2023-08-14 2026-03-20 大金工业株式会社 含氟聚合物水性分散液的制造方法和含氟聚合物水性分散液
CN122319172A (zh) * 2023-12-01 2026-06-30 大金工业株式会社 非熔融加工性聚四氟乙烯粉末的制造方法和非熔融加工性聚四氟乙烯粉末

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021015291A1 (ja) 2019-07-23 2021-01-28 ダイキン工業株式会社 フルオロポリマーの製造方法、ポリテトラフルオロエチレン組成物及びポリテトラフルオロエチレン粉末

Family Cites Families (20)

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JPS595037A (ja) * 1982-07-02 1984-01-11 Agency Of Ind Science & Technol 多孔質四弗化エチレン樹脂成型物の製造方法
US4576869A (en) 1984-06-18 1986-03-18 E. I. Du Pont De Nemours And Company Tetrafluoroethylene fine powder and preparation thereof
US5391709A (en) * 1993-11-17 1995-02-21 E. I. Du Pont De Nemours And Company Purification process of PTFE using fiber bed and heated air
ITMI20011615A1 (it) * 2001-07-26 2003-01-26 Ausimont Spa Processo di ottenimento di p0lveri fini non termoprocessabili di ptfeomopolimero o ptfe modificato
WO2003013844A1 (fr) * 2001-08-06 2003-02-20 Daikin Industries, Ltd. Resine moulee, objet en couches, et procedes de production associe
MXPA04006460A (es) 2002-01-04 2004-10-04 Du Pont Dispersiones de fluoropolimeros concentradas.
CN101891932B (zh) 2004-11-16 2012-10-10 大金工业株式会社 改性聚四氟乙烯细粉和改性聚四氟乙烯成型体
WO2007046345A1 (ja) * 2005-10-17 2007-04-26 Asahi Glass Company, Limited ポリテトラフルオロエチレン水性乳化液、それから得られるポリテトラフルオロエチレンファインパウダーおよび多孔体
JP2008224060A (ja) * 2007-03-08 2008-09-25 Daikin Ind Ltd 搬送装置
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
DE602008006245D1 (de) * 2007-10-22 2011-05-26 Solvay Solexis Spa Verfahren zur herstellung getrockneter feinpulver aus schmelzverarbeitbaren oder nicht-schmelzverarbeitbaren tfe-(co)polymeren
US20100113691A1 (en) * 2008-11-06 2010-05-06 E. I. Du Pont De Nemours And Company Fluoro olefin polymerization
US8153738B2 (en) * 2008-12-23 2012-04-10 E I Du Pont De Nemours And Company Fluoropolymer produced by aqueous polymerization using dispersed particulate of fluorinated ionomer
US9139669B2 (en) * 2009-03-24 2015-09-22 W. L. Gore & Associates, Inc. Expandable functional TFE copolymer fine powder, the expandable functional products obtained therefrom and reaction of the expanded products
CN104395357A (zh) 2012-05-09 2015-03-04 纳幕尔杜邦公司 使用氧化剂处理含氟聚合物树脂以减少变色
JP6225683B2 (ja) * 2013-05-17 2017-11-08 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
TWI586689B (zh) * 2013-11-29 2017-06-11 Daikin Ind Ltd Modified polytetrafluoroethylene powder and uniaxially stretched porous body
US11851519B2 (en) * 2017-08-10 2023-12-26 Daikin Industries, Ltd. Method for producing purified polytetrafluoroethylene aqueous dispersion liquid, method for producing modified polytetrafluoroethylene powder, method for producing polytetrafluoroethylene molded body, and composition
EP3527634A1 (en) 2018-02-15 2019-08-21 3M Innovative Properties Company Fluoropolymers and fluoropolymer dispersions
CN114450317A (zh) * 2019-09-17 2022-05-06 古吉拉特氟化物有限公司 低分子量聚四氟乙烯微粉及其制备方法

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WO2021015291A1 (ja) 2019-07-23 2021-01-28 ダイキン工業株式会社 フルオロポリマーの製造方法、ポリテトラフルオロエチレン組成物及びポリテトラフルオロエチレン粉末

Also Published As

Publication number Publication date
US20240287263A1 (en) 2024-08-29
EP4393966A4 (en) 2025-09-03
EP4393966A1 (en) 2024-07-03
JP2023051890A (ja) 2023-04-11
JP2023162423A (ja) 2023-11-08
WO2023054723A1 (ja) 2023-04-06

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