GB1210794A - Stabilisation of fluorocarbon polymers - Google Patents

Stabilisation of fluorocarbon polymers

Info

Publication number
GB1210794A
GB1210794A GB272269A GB272269A GB1210794A GB 1210794 A GB1210794 A GB 1210794A GB 272269 A GB272269 A GB 272269A GB 272269 A GB272269 A GB 272269A GB 1210794 A GB1210794 A GB 1210794A
Authority
GB
United Kingdom
Prior art keywords
polymer
polymers
groups
fluorine
end groups
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
GB272269A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
EIDP Inc
Original Assignee
EI Du Pont de Nemours and Co
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 EI Du Pont de Nemours and Co filed Critical EI Du Pont de Nemours and Co
Publication of GB1210794A publication Critical patent/GB1210794A/en
Expired legal-status Critical Current

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
    • C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/20—Manufacture of shaped structures of ion-exchange resins
    • C08J5/22—Films, membranes or diaphragms
    • C08J5/2287—After-treatment
    • C08J5/2293—After-treatment of fluorine-containing membranes
    • 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
    • C08F8/00—Chemical modification by after-treatment
    • C08F8/18—Introducing halogen atoms or halogen-containing groups
    • C08F8/20—Halogenation
    • C08F8/22—Halogenation by reaction with free halogens
    • 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)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
GB272269A 1968-01-18 1969-01-16 Stabilisation of fluorocarbon polymers Expired GB1210794A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US69873168A 1968-01-18 1968-01-18

Publications (1)

Publication Number Publication Date
GB1210794A true GB1210794A (en) 1970-10-28

Family

ID=24806441

Family Applications (1)

Application Number Title Priority Date Filing Date
GB272269A Expired GB1210794A (en) 1968-01-18 1969-01-16 Stabilisation of fluorocarbon polymers

Country Status (5)

Country Link
JP (1) JPS4623245B1 (enrdf_load_stackoverflow)
DE (1) DE1901872B2 (enrdf_load_stackoverflow)
FR (1) FR1600355A (enrdf_load_stackoverflow)
GB (1) GB1210794A (enrdf_load_stackoverflow)
NL (1) NL6900832A (enrdf_load_stackoverflow)

Cited By (61)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4599386A (en) * 1984-10-18 1986-07-08 E. I. Du Pont De Nemours And Company Heat stable tetrafluoroethylene-perfluoro(alkyl vinyl ether) copolymers
EP0222945A1 (en) * 1985-11-08 1987-05-27 E.I. Du Pont De Nemours And Company Melt-processible tetrafluoroethylene/perfluoroolefin copolymers and processes for preparing them
US4675380A (en) * 1985-10-25 1987-06-23 E. I. Du Pont De Nemours And Company Melt-processible tetrafluoroethylene/perfluoroolefin copolymer granules and processes for preparing them
EP0226668A1 (en) * 1985-11-08 1987-07-01 E.I. Du Pont De Nemours And Company Process for treating melt-processible Tetrafluoroethylene/perfluoro(alkyl vinyl)- ether copolymers
US4742122A (en) * 1985-10-25 1988-05-03 E. I. Du Pont De Nemours And Company Melt-processible tetrafluoroethylene/perfluoroolefin copolymers and processes for preparing them
US4743658A (en) * 1985-10-21 1988-05-10 E. I. Du Pont De Nemours And Company Stable tetrafluoroethylene copolymers
US4946902A (en) * 1988-05-27 1990-08-07 E. I. Du Pont De Nemours And Company Process for the setabilization of fluoropolymers
US5045605A (en) * 1988-05-27 1991-09-03 E. I. Du Pont De Nemours And Company Process for the stabilization of fluoropolymers
US5726214A (en) * 1996-12-26 1998-03-10 E. I. Du Pont De Nemours And Company Self-foaming fluoropolymer composition
WO1999041313A1 (en) * 1998-02-13 1999-08-19 Dyneon Gmbh Mixtures of thermoplastic fluoropolymers
US6541588B1 (en) 1999-01-29 2003-04-01 3M Innovative Properties Company Tetrafluoroethylene/hexafluoropropylene copolymers with higher drawability
US6583226B1 (en) 2001-06-28 2003-06-24 3M Innovative Properties Company FEP with increased flexural fatigue strength and a low level of die deposits
US6693164B2 (en) 2000-06-01 2004-02-17 3M Innovative Properties Company High purity fluoropolymers
US6703464B2 (en) 2002-01-17 2004-03-09 Daikin America, Inc. Flourine-containing copolymer
US6743508B2 (en) 2002-01-17 2004-06-01 Daikin America, Inc. Fep pellet
US6838545B2 (en) 2002-11-08 2005-01-04 E. I. Du Pont De Nemours And Company Reaction of fluoropolymer melts
EP1596453A1 (en) 2003-01-20 2005-11-16 Asahi Glass Company Ltd. Process for production of electrolyte material for solid polymer fuel cells and membrane electrode assembly for solid polymer fuel cells
EP1635412A1 (en) 2003-05-13 2006-03-15 Asahi Glass Company Ltd. Electrolyte polymer for solid polymer fuel cell, method for producing same, and membrane electrode assembly
US7060772B2 (en) 2001-09-20 2006-06-13 3M Innovative Properties Company Fluoropolymers from tetrafluoroethylene and perfluoro(alkoxyalkyl vinyl) ether
WO2006119224A1 (en) * 2005-05-03 2006-11-09 3M Innovative Properties Company Fluorinated ionomers with reduced amounts of carbonyl end groups
EP1702933A4 (en) * 2003-12-17 2007-03-14 Daikin Ind Ltd FLUOROPOLYMER, PROCESS FOR THE PREPARATION OF FLUOROPOLYMER, ELECTROLYTE FILM, OBJECT WITH IMMOBILIZED ACTIVE AGENT AND FERTT POLYMERELECTROLYT-TYPE FUEL CELL
WO2007073500A3 (en) * 2005-12-22 2007-09-27 Du Pont Methods to prepare chemically stabilized ionomers containing inorganic fillers
US7342081B2 (en) 2004-12-28 2008-03-11 3M Innovative Properties Company Fluoropolymer compositions, coated articles, and method of making the same
EP1666508A4 (en) * 2003-09-10 2009-07-08 Asahi Kasei Chemicals Corp STABILIZED FLUOROPOLYMER AND METHOD OF MANUFACTURING THEREOF
WO2010075492A1 (en) 2008-12-23 2010-07-01 E. I. Du Pont De Nemours And Company Process to produce catalyst coated membranes for fuel cell applications
US7973091B2 (en) 2006-12-20 2011-07-05 E. I. Du Pont De Nemours And Company Process for producing re-dispersable particles of highly fluorinated polymer
US7989513B2 (en) 2006-12-20 2011-08-02 E.I. Du Pont De Nemours And Company Process for producing dispersions of highly fluorinated polymers
US8007863B2 (en) 2006-10-03 2011-08-30 3M Innovative Properties Company Multi-layer articles and method for improving the release life of the same
EP1985636A4 (en) * 2006-02-03 2011-09-07 Daikin Ind Ltd PROCESS FOR PRODUCING FLUOROPOLYMER CONTAINING SO3H GROUP AND FLUOROPOLYMER CONTAINING SO3H GROUP
US8076431B2 (en) 2003-05-14 2011-12-13 E.I. Du Pont De Nemours And Company High melt flow fluoropolymer
US8207235B2 (en) 2006-10-17 2012-06-26 Solvay Solexis S.P.A. Process for stabilizing fluoropolymer having ion exchange groups
WO2012088170A1 (en) 2010-12-20 2012-06-28 E. I. Du Pont De Nemours And Company Ionomers and ionically conductive compositions for use as one or more electrode of a fuel cell
WO2012088166A1 (en) 2010-12-20 2012-06-28 E. I. Du Pont De Nemours And Company Ionomers and ionically conductive compositions
WO2012088176A1 (en) 2010-12-20 2012-06-28 E. I. Du Pont De Nemours And Company High molecular weight ionomers and ionically conductive compositions for use as one or more electrode of a fuel cell
US20120178017A1 (en) * 2009-09-18 2012-07-12 Daikin Industries, Ltd. Electrolyte emulsion and process for producing same
WO2012174463A1 (en) 2011-06-17 2012-12-20 E. I. Du Pont De Nemours And Company Improved composite polymer electrolyte membrane
WO2013079352A1 (en) 2011-11-30 2013-06-06 Solvay Specialty Polymers Italy S.P.A. Process for reducing unstable end-groups in fluorinated polymers
US20130303717A1 (en) * 2012-05-09 2013-11-14 E I Du Pont De Nemours And Company Fluoropolymer Dispersion Treatment Employing Oxidizing Agent to Reduce Fluoropolymer Resin Discoloration
US20130303708A1 (en) * 2012-05-09 2013-11-14 E I Du Pont De Nemours And Company Fluoropolymer Dispersion Treatment Employing Hypochlorite Salts or Nitrite Salts to Reduce Fluoropolymer Resin Discoloration
US20130303710A1 (en) * 2012-05-09 2013-11-14 E I Du Pont De Nemours And Company Fluoropolymer Dispersion Treatment Employing Hydrogen Peroxide to Reduce Fluoropolymer Resin Discoloration
US8617765B2 (en) 2005-12-22 2013-12-31 E I Du Pont De Nemours And Company Chemically stabilized ionomers containing inorganic fillers
US8785516B2 (en) 2012-05-09 2014-07-22 E I Du Pont De Nemours And Company Fluoropolymer dispersion treatment employing ultraviolet light and oxygen source to reduce fluoropolymer resin discoloration
US8785560B2 (en) 2012-05-09 2014-07-22 E I Du Pont De Nemours And Company Employing pretreatment and fluorination of fluoropolymer resin to reduce discoloration
EP2821435A1 (en) 2000-07-11 2015-01-07 3M Innovative Properties Company FEP with increased flexural fatigue strength and a low level of die deposits
US9175112B2 (en) 2012-05-09 2015-11-03 The Chemours Company Fc, Llc Drying wet fluoropolymer resin and exposing to oxygen source to reduce discoloration
US9175110B2 (en) 2012-05-09 2015-11-03 The Chemours Company Fc, Llc Fluoropolymer resin treatment employing melt extrusion and exposure to oxygen source to reduce discoloration
US9175115B2 (en) 2012-05-09 2015-11-03 The Chemours Company Fc, Llc Fluoropolymer resin treatment employing heating and oxygen source to reduce discoloration
WO2016130894A1 (en) 2015-02-12 2016-08-18 3M Innovative Properties Company Tetrafluoroethylene copolymers having sulfonyl groups
WO2016130914A1 (en) 2015-02-12 2016-08-18 3M Innovative Properties Company Tetrafluoroethylene/hexafluoropropylene copolymers including perfluoroalkoxyalkyl pendant groups
WO2016130911A1 (en) 2015-02-12 2016-08-18 3M Innovative Properties Company Tetrafluoroethylene/hexafluoropropylene copolymers including perfluoroalkoxyalkyl pendant groups and methods of making and using the same
US9574027B2 (en) 2013-03-11 2017-02-21 The Chemours Company Fc, Llc Fluoropolymer resin treatment employing sorbent to reduce fluoropolymer resin discoloration
WO2018034839A1 (en) 2016-08-17 2018-02-22 3M Innovative Properties Company Tetrafluoroethylene and perfluorinated allyl ether copolymers
US11014999B2 (en) * 2018-04-24 2021-05-25 Inhance Technologies, LLC Systems and methods for processing fluoropolymer materials and related workpieces
WO2021214664A1 (en) 2020-04-21 2021-10-28 3M Innovative Properties Company Particles including polytetrafluoroethylene and process for making a three-dimensional article
US11254760B2 (en) 2018-04-26 2022-02-22 Daikin Industries, Ltd. Method for producing purified fluoropolymer
CN116640254A (zh) * 2023-07-04 2023-08-25 四川红华实业有限公司 含氟热塑性聚合物不稳定端基的氟化处理方法及氟化系统
CN116731226A (zh) * 2023-07-04 2023-09-12 四川红华实业有限公司 一种含氟热塑性聚合物不稳定端基的氟化处理方法及应用
EP4299608A4 (en) * 2021-02-26 2025-02-19 Daikin Industries, Ltd. INJECTION-MOLDED BODY AND MANUFACTURING METHOD THEREFOR
EP4299275A4 (en) * 2021-02-26 2025-02-26 Daikin Industries, Ltd. INJECTION-MOLDED BODY AND MANUFACTURING METHOD THEREFOR
US12318973B2 (en) 2019-08-26 2025-06-03 Daikin Industries, Ltd. Injection molding method
US12381255B2 (en) 2019-08-26 2025-08-05 Daikin Industries, Ltd. Member for nonaqueous electrolyte batteries

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1172919A (en) * 1980-04-09 1984-08-21 Walther G. Grot Protective clothing of fabric containing a layer of highly fluorinated ion exchange polymer
CA1172920A (en) * 1980-04-09 1984-08-21 Walther G. Grot Protective clothing of fabric containing a layer of highly fluorinated ion exchange polymer
DE3887435T2 (de) * 1987-10-16 1994-06-30 Du Pont Leitfähige Fluorpolymere.
US5281680A (en) * 1993-01-14 1994-01-25 E. I. Du Pont De Nemours And Company Polymerization of fluorinated copolymers
DE19964006A1 (de) * 1999-12-30 2001-07-12 Dyneon Gmbh Tetrafluorethylen-Copolymere
EP1688442B1 (en) 2003-11-20 2010-05-05 Daikin Industries, Ltd. Process for production of fluorine-containing polymers and fluorine-containing polymers
WO2006019097A1 (ja) 2004-08-18 2006-02-23 Asahi Glass Company, Limited 燃料電池用電解質ポリマー、その製造方法、電解質膜、及び膜・電極接合体
JP4916668B2 (ja) * 2005-03-01 2012-04-18 旭化成イーマテリアルズ株式会社 高安定性フッ素化スルホン酸ポリマー
US8058556B2 (en) * 2006-10-20 2011-11-15 Daikin Industries, Ltd. Fluorinated copolymer, electric wire, and method for production of the electric wire
EP4365211A4 (en) * 2021-06-30 2025-07-16 Daikin Ind Ltd METHOD FOR PRODUCING A COMPOSITION CONTAINING A HIGH-PURITY FLUOROPOLYMER, AND COMPOSITION CONTAINING A HIGH-PURITY FLUOROPOLYMER
WO2023282188A1 (ja) * 2021-07-07 2023-01-12 Ａｇｃ株式会社 ペルフルオロ化合物の製造方法および含フッ素ポリマーの製造方法

Cited By (102)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4599386A (en) * 1984-10-18 1986-07-08 E. I. Du Pont De Nemours And Company Heat stable tetrafluoroethylene-perfluoro(alkyl vinyl ether) copolymers
US4743658A (en) * 1985-10-21 1988-05-10 E. I. Du Pont De Nemours And Company Stable tetrafluoroethylene copolymers
EP0220910A3 (en) * 1985-10-21 1988-08-03 E.I. Du Pont De Nemours And Company Stable tetrafluoroethylene copolymers
US4675380A (en) * 1985-10-25 1987-06-23 E. I. Du Pont De Nemours And Company Melt-processible tetrafluoroethylene/perfluoroolefin copolymer granules and processes for preparing them
US4742122A (en) * 1985-10-25 1988-05-03 E. I. Du Pont De Nemours And Company Melt-processible tetrafluoroethylene/perfluoroolefin copolymers and processes for preparing them
EP0222945A1 (en) * 1985-11-08 1987-05-27 E.I. Du Pont De Nemours And Company Melt-processible tetrafluoroethylene/perfluoroolefin copolymers and processes for preparing them
EP0226668A1 (en) * 1985-11-08 1987-07-01 E.I. Du Pont De Nemours And Company Process for treating melt-processible Tetrafluoroethylene/perfluoro(alkyl vinyl)- ether copolymers
US4946902A (en) * 1988-05-27 1990-08-07 E. I. Du Pont De Nemours And Company Process for the setabilization of fluoropolymers
US5045605A (en) * 1988-05-27 1991-09-03 E. I. Du Pont De Nemours And Company Process for the stabilization of fluoropolymers
US5726214A (en) * 1996-12-26 1998-03-10 E. I. Du Pont De Nemours And Company Self-foaming fluoropolymer composition
WO1999041313A1 (en) * 1998-02-13 1999-08-19 Dyneon Gmbh Mixtures of thermoplastic fluoropolymers
RU2214428C2 (ru) * 1998-02-13 2003-10-20 Динеон ГмбХ Смеси термопластичных фторполимеров
US6696526B1 (en) 1998-02-13 2004-02-24 3M Innovative Properties Company Mixtures of thermoplastic fluoropolymers
US6713141B2 (en) 1998-02-13 2004-03-30 3M Innovative Properties Companyz Mixtures of thermoplastic fluoropolymers
USRE40902E1 (en) * 1999-01-29 2009-09-01 3M Innovative Properties Company Tetrafluoroethylene/hexafluoropropylene copolymers with higher drawability
US6623680B2 (en) 1999-01-29 2003-09-23 3M Innovative Properties Company Tetrafluoroethylene/hexafluoropropylene copolymers with higher drawability
US6541588B1 (en) 1999-01-29 2003-04-01 3M Innovative Properties Company Tetrafluoroethylene/hexafluoropropylene copolymers with higher drawability
US7148301B2 (en) 2000-06-01 2006-12-12 3M Innovative Properties Company High purity fluoropolymers
US6693164B2 (en) 2000-06-01 2004-02-17 3M Innovative Properties Company High purity fluoropolymers
EP2821435A1 (en) 2000-07-11 2015-01-07 3M Innovative Properties Company FEP with increased flexural fatigue strength and a low level of die deposits
US6583226B1 (en) 2001-06-28 2003-06-24 3M Innovative Properties Company FEP with increased flexural fatigue strength and a low level of die deposits
US7060772B2 (en) 2001-09-20 2006-06-13 3M Innovative Properties Company Fluoropolymers from tetrafluoroethylene and perfluoro(alkoxyalkyl vinyl) ether
US6743508B2 (en) 2002-01-17 2004-06-01 Daikin America, Inc. Fep pellet
US7105619B2 (en) 2002-01-17 2006-09-12 Daikin Industries, Ltd. Fluorine-containing copolymer
US7923519B2 (en) 2002-01-17 2011-04-12 Daikin Industries, Ltd. FEP pellet
US8334351B2 (en) 2002-01-17 2012-12-18 Daikin Industries, Ltd. FEP pellet
US6703464B2 (en) 2002-01-17 2004-03-09 Daikin America, Inc. Flourine-containing copolymer
US7208569B2 (en) 2002-11-08 2007-04-24 E. I. Du Pont De Nemours And Company Reaction of fluoropolymer melts
US6838545B2 (en) 2002-11-08 2005-01-04 E. I. Du Pont De Nemours And Company Reaction of fluoropolymer melts
EP1596453A1 (en) 2003-01-20 2005-11-16 Asahi Glass Company Ltd. Process for production of electrolyte material for solid polymer fuel cells and membrane electrode assembly for solid polymer fuel cells
EP1635412A1 (en) 2003-05-13 2006-03-15 Asahi Glass Company Ltd. Electrolyte polymer for solid polymer fuel cell, method for producing same, and membrane electrode assembly
US7488788B2 (en) 2003-05-13 2009-02-10 Asahi Glass Company, Limited Electrolyte polymer for polymer electrolyte fuel cells, process for its production and membrane-electrode assembly
EP2916377A1 (en) * 2003-05-13 2015-09-09 Asahi Glass Company, Limited Process for the production of a membrane-electrode assembly
US8076431B2 (en) 2003-05-14 2011-12-13 E.I. Du Pont De Nemours And Company High melt flow fluoropolymer
US8674042B2 (en) 2003-05-14 2014-03-18 E I Du Pont De Nemours And Company High melt flow fluoropolymer
EP1666508A4 (en) * 2003-09-10 2009-07-08 Asahi Kasei Chemicals Corp STABILIZED FLUOROPOLYMER AND METHOD OF MANUFACTURING THEREOF
US8680209B2 (en) 2003-09-10 2014-03-25 Daikin Industries, Ltd. Stabilized fluoropolymer and method for producing same
EP2452955A1 (en) * 2003-09-10 2012-05-16 Asahi Kasei E-materials Corporation Stabilized fluoropolymer and method for producing same
US20130041110A1 (en) * 2003-09-10 2013-02-14 Asahi Kasei E-Materials Corporation Stabilized fluoropolymer and method for producing same
US20110159402A1 (en) * 2003-09-10 2011-06-30 Daikin Industries, Ltd. Stabilized fluoropolymer and method for producing same
EP1702933A4 (en) * 2003-12-17 2007-03-14 Daikin Ind Ltd FLUOROPOLYMER, PROCESS FOR THE PREPARATION OF FLUOROPOLYMER, ELECTROLYTE FILM, OBJECT WITH IMMOBILIZED ACTIVE AGENT AND FERTT POLYMERELECTROLYT-TYPE FUEL CELL
JP4569472B2 (ja) * 2003-12-17 2010-10-27 ダイキン工業株式会社 フルオロポリマー、フルオロポリマー製造方法、電解質膜、活性物質固定体及び固体高分子電解質型燃料電池
JPWO2005058980A1 (ja) * 2003-12-17 2007-07-12 ダイキン工業株式会社 フルオロポリマー、フルオロポリマー製造方法、電解質膜、活性物質固定体及び固体高分子電解質型燃料電池
US7342081B2 (en) 2004-12-28 2008-03-11 3M Innovative Properties Company Fluoropolymer compositions, coated articles, and method of making the same
WO2006119224A1 (en) * 2005-05-03 2006-11-09 3M Innovative Properties Company Fluorinated ionomers with reduced amounts of carbonyl end groups
US7214740B2 (en) 2005-05-03 2007-05-08 3M Innovative Properties Company Fluorinated ionomers with reduced amounts of carbonyl end groups
US8617765B2 (en) 2005-12-22 2013-12-31 E I Du Pont De Nemours And Company Chemically stabilized ionomers containing inorganic fillers
WO2007073500A3 (en) * 2005-12-22 2007-09-27 Du Pont Methods to prepare chemically stabilized ionomers containing inorganic fillers
EP1985636A4 (en) * 2006-02-03 2011-09-07 Daikin Ind Ltd PROCESS FOR PRODUCING FLUOROPOLYMER CONTAINING SO3H GROUP AND FLUOROPOLYMER CONTAINING SO3H GROUP
EP2474562A3 (en) * 2006-02-03 2012-08-15 Daikin Industries, Ltd. Method for producing -SO3H group-containing fluoropolymer and -SO3H group-containing fluoropolymer
US8007863B2 (en) 2006-10-03 2011-08-30 3M Innovative Properties Company Multi-layer articles and method for improving the release life of the same
US8207235B2 (en) 2006-10-17 2012-06-26 Solvay Solexis S.P.A. Process for stabilizing fluoropolymer having ion exchange groups
US8357725B2 (en) 2006-10-17 2013-01-22 Solvay Solexis S.P.A. Semi-crystalline fluoropolymer having ion exchange groups
US7973091B2 (en) 2006-12-20 2011-07-05 E. I. Du Pont De Nemours And Company Process for producing re-dispersable particles of highly fluorinated polymer
US7989513B2 (en) 2006-12-20 2011-08-02 E.I. Du Pont De Nemours And Company Process for producing dispersions of highly fluorinated polymers
WO2010075492A1 (en) 2008-12-23 2010-07-01 E. I. Du Pont De Nemours And Company Process to produce catalyst coated membranes for fuel cell applications
US20120178017A1 (en) * 2009-09-18 2012-07-12 Daikin Industries, Ltd. Electrolyte emulsion and process for producing same
US9627702B2 (en) 2009-09-18 2017-04-18 Asahi Kasei Kabushiki Kaisha Electrolyte emulsion and process for producing same
US9406958B2 (en) 2009-09-18 2016-08-02 Asahi Kasei Kabushiki Kaisha Electrolyte emulsion and process for producing same
US9133316B2 (en) * 2009-09-18 2015-09-15 Asahi Kasei E-Materials Corporation Electrolyte emulsion and process for producing same
WO2012088166A1 (en) 2010-12-20 2012-06-28 E. I. Du Pont De Nemours And Company Ionomers and ionically conductive compositions
WO2012088176A1 (en) 2010-12-20 2012-06-28 E. I. Du Pont De Nemours And Company High molecular weight ionomers and ionically conductive compositions for use as one or more electrode of a fuel cell
WO2012088170A1 (en) 2010-12-20 2012-06-28 E. I. Du Pont De Nemours And Company Ionomers and ionically conductive compositions for use as one or more electrode of a fuel cell
WO2012174463A1 (en) 2011-06-17 2012-12-20 E. I. Du Pont De Nemours And Company Improved composite polymer electrolyte membrane
US9228031B2 (en) 2011-11-30 2016-01-05 Solvay Specialty Polymers Italy S.P.A. Process for reducing unstable end-groups in fluorinated polymers
WO2013079352A1 (en) 2011-11-30 2013-06-06 Solvay Specialty Polymers Italy S.P.A. Process for reducing unstable end-groups in fluorinated polymers
US8785560B2 (en) 2012-05-09 2014-07-22 E I Du Pont De Nemours And Company Employing pretreatment and fluorination of fluoropolymer resin to reduce discoloration
US20130303717A1 (en) * 2012-05-09 2013-11-14 E I Du Pont De Nemours And Company Fluoropolymer Dispersion Treatment Employing Oxidizing Agent to Reduce Fluoropolymer Resin Discoloration
US8785516B2 (en) 2012-05-09 2014-07-22 E I Du Pont De Nemours And Company Fluoropolymer dispersion treatment employing ultraviolet light and oxygen source to reduce fluoropolymer resin discoloration
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JPS4623245B1 (enrdf_load_stackoverflow) 1971-07-02
FR1600355A (enrdf_load_stackoverflow) 1970-07-20
DE1901872A1 (de) 1970-02-19
DE1901872B2 (de) 1971-04-08

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