ATE541870T1 - Verfahren zur herstellung von polytetrafluorethylen-feinpulver - Google Patents

Verfahren zur herstellung von polytetrafluorethylen-feinpulver

Info

Publication number
ATE541870T1
ATE541870T1 AT09732187T AT09732187T ATE541870T1 AT E541870 T1 ATE541870 T1 AT E541870T1 AT 09732187 T AT09732187 T AT 09732187T AT 09732187 T AT09732187 T AT 09732187T AT E541870 T1 ATE541870 T1 AT E541870T1
Authority
AT
Austria
Prior art keywords
fine powder
producing
polytetrafluoroethylene
produce
polytetrafluorethylene
Prior art date
Application number
AT09732187T
Other languages
English (en)
Inventor
Shinya Higuchi
Yasuhiko Matsuoka
Shigeki Kobayashi
Original Assignee
Asahi Glass Co 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 Asahi Glass Co Ltd filed Critical Asahi Glass Co Ltd
Application granted granted Critical
Publication of ATE541870T1 publication Critical patent/ATE541870T1/de

Links

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
    • C08F2/00—Processes of polymerisation
    • C08F2/12—Polymerisation in non-solvents
    • C08F2/16—Aqueous medium
    • C08F2/22—Emulsion polymerisation
    • 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

Landscapes

  • 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)
AT09732187T 2008-04-14 2009-04-13 Verfahren zur herstellung von polytetrafluorethylen-feinpulver ATE541870T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2008104307 2008-04-14
PCT/JP2009/057460 WO2009128432A1 (ja) 2008-04-14 2009-04-13 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 (1)

Publication Number Publication Date
ATE541870T1 true ATE541870T1 (de) 2012-02-15

Family

ID=41199123

Family Applications (1)

Application Number Title Priority Date Filing Date
AT09732187T ATE541870T1 (de) 2008-04-14 2009-04-13 Verfahren zur herstellung von polytetrafluorethylen-feinpulver

Country Status (7)

Country Link
US (1) US7973127B2 (de)
EP (1) EP2267047B1 (de)
JP (1) JP5392251B2 (de)
CN (1) CN101998968B (de)
AT (1) ATE541870T1 (de)
RU (1) RU2478654C2 (de)
WO (1) WO2009128432A1 (de)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2287209B1 (de) * 2008-05-21 2012-09-12 Asahi Glass Company, Limited Verfahren zur herstellung eines feinen polytetrafluorethylenpulvers
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
WO2012043757A1 (ja) 2010-09-30 2012-04-05 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の製造方法
EP2623556A4 (de) * 2010-09-30 2015-03-11 Daikin Ind Ltd Tropfhemmer und harzverbindung
US9309335B2 (en) * 2010-09-30 2016-04-12 Daikin Industries, Ltd. Process for producing polytetrafluoroethylene fine powder
JP5533961B2 (ja) * 2011-08-25 2014-06-25 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
CN102443086B (zh) * 2011-10-31 2014-06-25 巨化集团公司 一种低分子量聚四氟乙烯树脂的制备方法
CN104093747B (zh) * 2012-02-02 2016-02-10 旭硝子株式会社 聚四氟乙烯细粉的制造方法
JP2013180259A (ja) * 2012-03-02 2013-09-12 Daikin Industries Ltd ω−ハイドロパーフルオロアルキルカルボン酸の処理方法
CN102936347B (zh) * 2012-10-29 2014-12-31 巨化集团技术中心 一种含氟聚合物微粉的制备方法
EP2955197B1 (de) * 2013-02-05 2019-04-17 AGC Inc. Verfahren zur herstellung eines polytetrafluorethylenformpulvers und verfahren zur herstellung eines polytetrafluorethylen agglomerierten produkten
EP3023441B1 (de) * 2013-07-18 2019-03-06 AGC Inc. Verfahren zur herstellung einer wässrigen dispersion aus fluorhaltigem polymer, wässrige dispersion aus fluorhaltigem polymer und fluorhaltiges polymer
CN103497270B (zh) * 2013-10-16 2016-08-17 上海三爱富新材料股份有限公司 乙烯/四氟乙烯共聚物浆液的后处理方法
EP3339330B1 (de) * 2015-08-19 2022-08-03 AGC Inc. Wässrige emulsion aus modifiziertem polytetrafluorethylen, feinpulver und verfahren zur herstellung eines gestreckten porösen körpers
EP3385326B1 (de) * 2015-12-01 2020-05-06 AGC Inc. Wässrige polytetrafluorethylendispersion
CN107793507A (zh) * 2017-11-02 2018-03-13 浙江衢州鑫巨氟材料有限公司 一种超高分子量聚四氟乙烯树脂的真空干燥工艺方法
CN108383933B (zh) * 2018-03-05 2020-03-17 三明市海斯福化工有限责任公司 一种聚四氟乙烯水性乳液、聚四氟乙烯细粉及制备方法
US12030790B2 (en) 2018-10-03 2024-07-09 Daikin Industries, Ltd. Method for removing fluorine-containing compound from waste water
CN109762081B (zh) * 2018-12-29 2021-06-29 山东华夏神舟新材料有限公司 含氟聚合物乳液的连续凝聚方法及管道式乳化机
WO2021053531A1 (en) * 2019-09-17 2021-03-25 Gujarat Fluorochemicals Limited Low molecular weight polytetrafluoroethylene micropowder and process for preparing the same
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

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2544040C2 (de) 1975-10-02 1981-09-24 Hoechst Ag, 6000 Frankfurt Verfahren zur Herstellung von modifizierten Tetrafluoräthylen-Dispersionspolymerisaten
DE4022405A1 (de) * 1990-07-13 1992-01-16 Hoechst Ag Verfahren zur herstellung von tetrafluorethylen-polymerisat in waessriger suspension
US5756620A (en) 1995-11-15 1998-05-26 E. I. Du Pont De Nemours And Company Tetrafluoroethylene polymer for improved paste extrusion
JP3267129B2 (ja) 1995-11-28 2002-03-18 日立電線株式会社 ポリテトラフルオロエチレンの一軸延伸成形物及びその製造方法
PL349004A1 (en) * 1999-01-29 2002-06-17 Dyneon Gmbh Tetrafluoro ethylene / hexafluoro propylene copolymers with better ductility
DE19903657A1 (de) * 1999-01-29 2000-08-03 Dyneon Gmbh Tetrafluorethylen/Hexafluorpropylen-Copolymere mit besserer Aufziehbarkeit
US6395848B1 (en) * 1999-05-20 2002-05-28 E. I. Du Pont De Nemours And Company Polymerization of fluoromonomers
JP2002338631A (ja) * 2001-03-14 2002-11-27 Asahi Glass Co Ltd テトラフルオロエチレン重合体の製造方法
JP4042390B2 (ja) * 2001-03-26 2008-02-06 旭硝子株式会社 強度に優れるテトラフルオロエチレン重合体の製造方法
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
WO2004000734A1 (ja) * 2002-06-19 2003-12-31 Sasakura Engineering Co., Ltd. 含フッ素乳化剤の回収方法
US7569631B2 (en) * 2003-07-16 2009-08-04 Daikin Industries, Ltd. Method for producing fluorine-containing polymer, aqueous dispersion of fluorine-containing polymer,2-acyloxycarboxylic acid derivative, and surface active agent
CN101421319B (zh) * 2006-04-13 2012-03-07 大金工业株式会社 四氟乙烯聚合物及其水性分散液
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
US8835547B2 (en) * 2008-12-23 2014-09-16 E I Du Pont De Nemours And Company Fluoropolymer particles having a nucleus of fluorinated ionomer

Also Published As

Publication number Publication date
EP2267047B1 (de) 2012-01-18
CN101998968B (zh) 2012-08-29
US7973127B2 (en) 2011-07-05
RU2010146238A (ru) 2012-05-20
WO2009128432A1 (ja) 2009-10-22
JP5392251B2 (ja) 2014-01-22
RU2478654C2 (ru) 2013-04-10
EP2267047A4 (de) 2011-01-12
EP2267047A1 (de) 2010-12-29
CN101998968A (zh) 2011-03-30
JPWO2009128432A1 (ja) 2011-08-04
US20110021728A1 (en) 2011-01-27

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