IN2014DN05982A - - Google Patents

Info

Publication number
IN2014DN05982A
IN2014DN05982A IN5982DEN2014A IN2014DN05982A IN 2014DN05982 A IN2014DN05982 A IN 2014DN05982A IN 5982DEN2014 A IN5982DEN2014 A IN 5982DEN2014A IN 2014DN05982 A IN2014DN05982 A IN 2014DN05982A
Authority
IN
India
Prior art keywords
ptfe
fine powder
dried
emulsion
ptfe fine
Prior art date
Application number
Other languages
English (en)
Inventor
Shinya Higuchi
Shigeki Kobayashi
Hiroki Nagai
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=48905310&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=IN2014DN05982(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Asahi Glass Co Ltd filed Critical Asahi Glass Co Ltd
Publication of IN2014DN05982A publication Critical patent/IN2014DN05982A/en

Links

Classifications

    • 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
    • C08J3/16—Powdering or granulating by coagulating dispersions
    • 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
    • C08F6/22—Coagulation
    • 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
    • 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
    • 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
    • C08F6/18—Increasing the size of the dispersed particles

Landscapes

  • 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)
IN5982DEN2014 2012-02-02 2013-01-30 IN2014DN05982A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2012020530 2012-02-02
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 (1)

Publication Number Publication Date
IN2014DN05982A true IN2014DN05982A (ja) 2015-06-26

Family

ID=48905310

Family Applications (1)

Application Number Title Priority Date Filing Date
IN5982DEN2014 IN2014DN05982A (ja) 2012-02-02 2013-01-30

Country Status (6)

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

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9574020B2 (en) 2012-11-30 2017-02-21 Daikin Industries, Ltd. Production method for fluoropolymer aqueous dispersion
JP6052300B2 (ja) 2012-11-30 2016-12-27 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及びポリテトラフルオロエチレンファインパウダー
EP2927248B1 (en) 2012-11-30 2018-06-13 Daikin Industries, Ltd. Production method for polytetrafluoroethylene aqueous dispersion
CN105849958B (zh) 2013-11-29 2019-10-29 旭化成株式会社 高分子电解质膜
US20170002156A1 (en) * 2013-11-29 2017-01-05 Daikin Industries, Ltd. Biaxially-stretched porous membrane
TW201533125A (zh) * 2013-11-29 2015-09-01 Daikin Ind Ltd 改性聚四氟乙烯細粉及單軸拉伸多孔質體
TWI631144B (zh) * 2013-11-29 2018-08-01 大金工業股份有限公司 多孔質體、高分子電解質膜、過濾器用濾材及過濾器單元
KR102112648B1 (ko) 2013-11-29 2020-05-19 아사히 가세이 가부시키가이샤 고분자 전해질막
JP6669721B2 (ja) * 2014-08-04 2020-03-18 ソルベイ スペシャルティ ポリマーズ イタリー エス．ピー．エー． 粉末組成物
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

Family Cites Families (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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 (ja) 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
DE3135598A1 (de) * 1981-09-09 1983-03-17 Hoechst Ag, 6000 Frankfurt "kontinuierliches verfahren zur agglomerierung von ptee-pulvern im fluessigen medium und damit gewonnenes modifiziertes ptee-pulver"
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
EP1605011B1 (en) 2003-02-28 2013-01-23 Daikin Industries, Ltd. Granulated powder of low-molecular polytetrafluoro- ethylene and powder of low-molecular polytetrafluoro- ethylene and processes for producing both
JP4821323B2 (ja) 2003-10-31 2011-11-24 ダイキン工業株式会社 含フッ素重合体水性分散体の製造方法及び含フッ素重合体水性分散体
ATE529451T1 (de) * 2003-11-17 2011-11-15 3M Innovative Properties Co Wässrige ptfe-dispersionen mit einem niedrigen gehalt an fluorierten emulgatoren
RU2401284C2 (ru) * 2005-03-07 2010-10-10 Асахи Гласс Компани, Лимитед Способ получения гранул из политетрафторэтилена, содержащих наполнитель
GB0525978D0 (en) 2005-12-21 2006-02-01 3M Innovative Properties Co Fluorinated Surfactants For Making Fluoropolymers
CN100558753C (zh) * 2005-10-17 2009-11-11 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
WO2008060460A1 (en) 2006-11-09 2008-05-22 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
RU2478653C2 (ru) * 2008-05-21 2013-04-10 Асахи Гласс Компани, Лимитед Способ получения тонкодисперсного порошка политетрафторэтилена
JP2010037365A (ja) 2008-07-31 2010-02-18 Daikin Ind Ltd 含フッ素ポリマーの製造方法。
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
EP2493940B2 (en) 2009-10-29 2018-08-29 Solvay Specialty Polymers Italy S.p.A. Process for the isolation of sulfonyl fluoride polymers and polymers obtained therefrom
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
CN102127181B (zh) * 2011-01-31 2012-11-21 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
EP2810958B1 (en) 2016-11-30
JPWO2013115278A1 (ja) 2015-05-11
EP2810958A4 (en) 2015-12-16
US20140343239A1 (en) 2014-11-20
EP2810958A1 (en) 2014-12-10
WO2013115278A1 (ja) 2013-08-08
JP5983633B2 (ja) 2016-09-06
CN104093747A (zh) 2014-10-08
CN104093747B (zh) 2016-02-10

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