CN104093747B - 聚四氟乙烯细粉的制造方法 - Google Patents

聚四氟乙烯细粉的制造方法 Download PDF

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Publication number
CN104093747B
CN104093747B CN201380007284.0A CN201380007284A CN104093747B CN 104093747 B CN104093747 B CN 104093747B CN 201380007284 A CN201380007284 A CN 201380007284A CN 104093747 B CN104093747 B CN 104093747B
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Prior art keywords
fine powder
ptfe
emulsion
coagulation
polytetrafluoroethylene
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Chinese (zh)
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CN104093747A (zh
Inventor
樋口信弥
小林茂树
长井宏树
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AGC Inc
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Asahi Glass Co Ltd
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    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J3/00Processes of treating or compounding macromolecular substances
    • C08J3/12Powdering or granulating
    • C08J3/16Powdering or granulating by coagulating dispersions
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F6/00Post-polymerisation treatments
    • C08F6/14Treatment of polymer emulsions
    • C08F6/22Coagulation
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F114/00Homopolymers 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
    • C08F114/18Monomers containing fluorine
    • C08F114/26Tetrafluoroethene
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F2/00Processes of polymerisation
    • C08F2/12Polymerisation in non-solvents
    • C08F2/16Aqueous medium
    • C08F2/22Emulsion polymerisation
    • C08F2/24Emulsion polymerisation with the aid of emulsifying agents
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F6/00Post-polymerisation treatments
    • C08F6/14Treatment of polymer emulsions
    • C08F6/18Increasing the size of the dispersed particles

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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)
  • Dispersion Chemistry (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Polymerisation Methods In General (AREA)
CN201380007284.0A 2012-02-02 2013-01-30 聚四氟乙烯细粉的制造方法 Active CN104093747B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2012020530 2012-02-02
JP2012-020530 2012-08-27
PCT/JP2013/052108 WO2013115278A1 (ja) 2012-02-02 2013-01-30 ポリテトラフルオロエチレンファインパウダーの製造方法

Publications (2)

Publication Number Publication Date
CN104093747A CN104093747A (zh) 2014-10-08
CN104093747B true CN104093747B (zh) 2016-02-10

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ID=48905310

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Country Link
US (1) US20140343239A1 (enExample)
EP (1) EP2810958B1 (enExample)
JP (1) JP5983633B2 (enExample)
CN (1) CN104093747B (enExample)
IN (1) IN2014DN05982A (enExample)
WO (1) WO2013115278A1 (enExample)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113717401A (zh) 2012-11-30 2021-11-30 大金工业株式会社 聚四氟乙烯水性分散液和聚四氟乙烯细粉
US9243080B2 (en) 2012-11-30 2016-01-26 Daikin Industries, Ltd. Production method for polytetrafluoroethylene aqueous dispersion
WO2014084397A1 (ja) * 2012-11-30 2014-06-05 ダイキン工業株式会社 ポリテトラフルオロエチレン水性分散液の製造方法
EP3075767B1 (en) * 2013-11-29 2025-04-16 Daikin Industries, Ltd. Porous body, polymer electrolyte membrane, filter material for filter, and filter unit
US11084895B2 (en) 2013-11-29 2021-08-10 Daikin Industries, Ltd. Modified polytetrafluoroethylene fine powder and uniaxially stretched porous body
TWI713443B (zh) * 2013-11-29 2020-12-21 日商大金工業股份有限公司 雙軸拉伸多孔質膜
KR20160090381A (ko) 2013-11-29 2016-07-29 아사히 가세이 가부시키가이샤 고분자 전해질막
US10644339B2 (en) 2013-11-29 2020-05-05 Asahi Kasei Kabushiki Kaisha Polymer electrolyte membrane
US11001721B2 (en) 2014-08-04 2021-05-11 Solvay Specialty Polymers Italy S.P.A. Powder composition
CN111349252B (zh) * 2018-12-20 2023-04-11 中化蓝天氟材料有限公司 一种含氟聚合物粉末的制备方法
CN110790956B (zh) * 2019-11-01 2022-06-10 常熟三爱富中昊化工新材料有限公司 超细氟树脂粉末的制备方法
CN116217765B (zh) * 2021-12-03 2024-04-02 中昊晨光化工研究院有限公司 一种干法电极粘结剂用聚四氟乙烯分散树脂及其制备方法

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05186605A (ja) * 1981-09-09 1993-07-27 Hoechst Ag 液状媒体中でptfe粉末を連続的に凝集する方法
WO2006095657A1 (ja) * 2005-03-07 2006-09-14 Asahi Glass Company, Limited 充填材入りポリテトラフルオロエチレン造粒物の製造方法
CN1882617A (zh) * 2003-11-17 2006-12-20 3M创新有限公司 含有少量氟化表面活性剂的聚四氟乙烯水分散体
CN101287766A (zh) * 2005-10-17 2008-10-15 旭硝子株式会社 聚四氟乙烯水性乳化液、由其制得的聚四氟乙烯细粉和多孔体
JP2010037365A (ja) * 2008-07-31 2010-02-18 Daikin Ind Ltd 含フッ素ポリマーの製造方法。
CN102127181A (zh) * 2011-01-31 2011-07-20 中昊晨光化工研究院 一种制备聚四氟乙烯分散树脂的方法

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US2593583A (en) * 1951-03-14 1952-04-22 Du Pont Method for coagulating aqueous dispersions of polytetrafluoroethylene
US3046263A (en) * 1959-07-10 1962-07-24 Du Pont Coagulation of colloidal polytetrafluoroethylene dispersions
US3951930A (en) * 1971-08-12 1976-04-20 Imperial Chemical Industries Limited Extrusion powder
JPS49115190A (enExample) 1973-03-10 1974-11-02
DE2744244C3 (de) * 1977-10-01 1981-01-08 Hoechst Ag, 6000 Frankfurt Thermisch vorbehandeltes, aus der Schmelze nicht verarbeitbares, mit einem perfluorierten Monomeren modifiziertes Tetrafluoräthylen-Polymerisatpulver und Verfahren zur Herstellung von Pulvern von aus der Schmelze nicht verarbeitbaren Tetrafluoräthylen-Polymerisaten mit hohem Schüttgewicht und guter Rieselfähigkeit
JPH0653813B2 (ja) 1986-10-17 1994-07-20 エヌオーケー株式会社 ポリテトラフルオロエチレン樹脂複合組成物の製造法
JP3446377B2 (ja) 1995-03-17 2003-09-16 ダイキン工業株式会社 ポリテトラフルオロエチレンファインパウダーおよびその製法
JP3616784B2 (ja) * 1995-09-22 2005-02-02 三井・デュポンフロロケミカル株式会社 変性ポリテトラフルオロエチレンファインパウダーの製造方法
JP3985271B2 (ja) * 1995-11-09 2007-10-03 ダイキン工業株式会社 ポリテトラフルオロエチレンファインパウダー、その製造方法及びその用途
JP4206512B2 (ja) * 1998-04-16 2009-01-14 ダイキン工業株式会社 含フッ素重合体粒子の固液分離方法
ITMI20011613A1 (it) * 2001-07-26 2003-01-26 Ausimont Spa Processo di coagulazione di polveri fini di ptfe
US7803889B2 (en) 2003-02-28 2010-09-28 Daikin Industries, Ltd. Granulated powder of low-molecular polytetrafluoro-ethylene and powder of low-molecular polytetrafluoro-ethylene and processes for producing both
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
GB0525978D0 (en) 2005-12-21 2006-02-01 3M Innovative Properties Co Fluorinated Surfactants For Making Fluoropolymers
US7932333B2 (en) 2006-11-09 2011-04-26 E.I. Du Pont De Nemours And Company Aqueous polymerization of fluorinated monomer using polymerization agent comprising high molecular weight fluoropolyether acid or salt and fluoropolyether acid or salt surfactant
WO2009044753A1 (en) * 2007-10-03 2009-04-09 Daikin Industries, Ltd. Fluororesin composition and covered electric wire
ATE541870T1 (de) * 2008-04-14 2012-02-15 Asahi Glass Co Ltd Verfahren zur herstellung von polytetrafluorethylen-feinpulver
EP2287209B1 (en) * 2008-05-21 2012-09-12 Asahi Glass Company, Limited Method for producing polytetrafluoroethylene fine powder
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
JP6078342B2 (ja) 2009-10-29 2017-02-08 ソルヴェイ・スペシャルティ・ポリマーズ・イタリー・エッセ・ピ・ア スルホニルフルオリドポリマーの単離方法、およびそれによって得られるポリマー
JP5668689B2 (ja) 2009-11-09 2015-02-12 旭硝子株式会社 ポリテトラフルオロエチレン水性乳化液及びその製造方法、該水性乳化液を用いて得られるポリテトラフルオロエチレン水性分散液、ポリテトラフルオロエチレンファインパウダー並びに延伸多孔体

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05186605A (ja) * 1981-09-09 1993-07-27 Hoechst Ag 液状媒体中でptfe粉末を連続的に凝集する方法
CN1882617A (zh) * 2003-11-17 2006-12-20 3M创新有限公司 含有少量氟化表面活性剂的聚四氟乙烯水分散体
WO2006095657A1 (ja) * 2005-03-07 2006-09-14 Asahi Glass Company, Limited 充填材入りポリテトラフルオロエチレン造粒物の製造方法
CN101287766A (zh) * 2005-10-17 2008-10-15 旭硝子株式会社 聚四氟乙烯水性乳化液、由其制得的聚四氟乙烯细粉和多孔体
JP2010037365A (ja) * 2008-07-31 2010-02-18 Daikin Ind Ltd 含フッ素ポリマーの製造方法。
CN102127181A (zh) * 2011-01-31 2011-07-20 中昊晨光化工研究院 一种制备聚四氟乙烯分散树脂的方法

Also Published As

Publication number Publication date
JP5983633B2 (ja) 2016-09-06
IN2014DN05982A (enExample) 2015-06-26
EP2810958A4 (en) 2015-12-16
US20140343239A1 (en) 2014-11-20
WO2013115278A1 (ja) 2013-08-08
CN104093747A (zh) 2014-10-08
JPWO2013115278A1 (ja) 2015-05-11
EP2810958B1 (en) 2016-11-30
EP2810958A1 (en) 2014-12-10

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Address after: Tokyo, Japan

Patentee after: AGC Corporation

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Patentee before: Asahi Glass Co., Ltd.

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