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 (enrdf_load_stackoverflow)

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 (enrdf_load_stackoverflow) 2015-06-26

Family

ID=48905310

Family Applications (1)

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

Country Status (6)

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

Families Citing this family (13)

* 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
US9527980B2 (en) 2012-11-30 2016-12-27 Daikin Industries, Ltd. Polytetrafluoroethylene aqueous dispersion, and polytetrafluoroethylene fine powder
WO2014084400A1 (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
WO2015080294A1 (ja) 2013-11-29 2015-06-04 旭化成イーマテリアルズ株式会社 高分子電解質膜
CN105793336B (zh) * 2013-11-29 2019-12-24 大金工业株式会社 双向拉伸多孔质膜
US10944121B2 (en) 2013-11-29 2021-03-09 Asahi Kasei Kabushiki Kaisha Polymer electrolyte film
WO2015080289A1 (ja) * 2013-11-29 2015-06-04 ダイキン工業株式会社 変性ポリテトラフルオロエチレンファインパウダー及び一軸延伸多孔質体
EP4596613A1 (en) * 2013-11-29 2025-08-06 Daikin Industries, Ltd. Porous body, polymer electrolyte membrane, filter material for filter, and filter unit
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
CN119463005A (zh) * 2023-08-11 2025-02-18 山东东岳未来氢能材料股份有限公司 一种四氟乙烯与全氟烷基乙烯基醚共聚树脂及其制备方法

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 (enrdf_load_stackoverflow) 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
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
EP1688441B1 (en) 2003-10-31 2019-12-18 Daikin Industries, Ltd. Process for producing aqueous fluoropolymer dispersion and aqueous fluoropolymer dispersion
ATE529451T1 (de) * 2003-11-17 2011-11-15 3M Innovative Properties Co Wässrige ptfe-dispersionen mit einem niedrigen gehalt an fluorierten emulgatoren
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
GB0525978D0 (en) 2005-12-21 2006-02-01 3M Innovative Properties Co Fluorinated Surfactants For Making Fluoropolymers
RU2425056C2 (ru) * 2005-10-17 2011-07-27 Асахи Гласс Компани, Лимитед Водная политетрафторэтиленовая эмульсия, политетрафторэтиленовый мелкодисперсный порошок и пористый материал, полученный из него
JP5470044B2 (ja) 2006-11-09 2014-04-16 イー・アイ・デュポン・ドウ・ヌムール・アンド・カンパニー 高分子量フルオロポリエーテル酸または塩およびフルオロポリエーテル酸または塩界面活性剤を含む重合剤を用いるフッ素化モノマーの水性重合
WO2009044753A1 (en) * 2007-10-03 2009-04-09 Daikin Industries, Ltd. Fluororesin composition and covered electric wire
WO2009128432A1 (ja) * 2008-04-14 2009-10-22 旭硝子株式会社 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
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
CN102712711B (zh) 2009-10-29 2015-11-25 索尔维特殊聚合物意大利有限公司 用于分离磺酰基氟化物聚合物的方法以及由此获得的聚合物
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
WO2013115278A1 (ja) 2013-08-08
EP2810958A4 (en) 2015-12-16
EP2810958B1 (en) 2016-11-30
EP2810958A1 (en) 2014-12-10
JP5983633B2 (ja) 2016-09-06
CN104093747A (zh) 2014-10-08
JPWO2013115278A1 (ja) 2015-05-11
US20140343239A1 (en) 2014-11-20
CN104093747B (zh) 2016-02-10

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