IT1318669B1 - Ionomeri fluorurati solfonici. - Google Patents

Ionomeri fluorurati solfonici.

Info

Publication number
IT1318669B1
IT1318669B1 IT2000MI001843A ITMI20001843A IT1318669B1 IT 1318669 B1 IT1318669 B1 IT 1318669B1 IT 2000MI001843 A IT2000MI001843 A IT 2000MI001843A IT MI20001843 A ITMI20001843 A IT MI20001843A IT 1318669 B1 IT1318669 B1 IT 1318669B1
Authority
IT
Italy
Prior art keywords
fluorinated
moles
crosslinking
monomeric units
sulphonic
Prior art date
Application number
IT2000MI001843A
Other languages
English (en)
Inventor
Ivan Wlassics
Vito Tortelli
Original Assignee
Ausimont Spa
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 Ausimont Spa filed Critical Ausimont Spa
Publication of ITMI20001843A0 publication Critical patent/ITMI20001843A0/it
Priority to IT2000MI001843A priority Critical patent/IT1318669B1/it
Priority to EP01118328A priority patent/EP1179548B1/en
Priority to DE60129513T priority patent/DE60129513T2/de
Priority to CA2354678A priority patent/CA2354678C/en
Priority to JP2001239434A priority patent/JP4789368B2/ja
Priority to US09/922,741 priority patent/US6706834B2/en
Publication of ITMI20001843A1 publication Critical patent/ITMI20001843A1/it
Application granted granted Critical
Publication of IT1318669B1 publication Critical patent/IT1318669B1/it
Priority to US10/768,690 priority patent/US6979699B2/en
Priority to US11/142,186 priority patent/US7217742B2/en

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00Fuel cells; Manufacture thereof
    • H01M8/10Fuel cells with solid electrolytes
    • H01M8/1016Fuel cells with solid electrolytes characterised by the electrolyte material
    • H01M8/1018Polymeric electrolyte materials
    • H01M8/1041Polymer electrolyte composites, mixtures or blends
    • H01M8/1053Polymer electrolyte composites, mixtures or blends consisting of layers of polymers with at least one layer being ionically conductive
    • 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
    • C08F214/00Copolymers 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
    • C08F214/18Monomers containing fluorine
    • C08F214/26Tetrafluoroethene
    • 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
    • C08F214/00Copolymers 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
    • C08F214/18Monomers containing fluorine
    • C08F214/26Tetrafluoroethene
    • C08F214/265Tetrafluoroethene with non-fluorinated comonomers
    • 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
    • C08F8/00Chemical modification by after-treatment
    • C08F8/18Introducing halogen atoms or halogen-containing groups
    • 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
    • C08J5/00Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/20Manufacture of shaped structures of ion-exchange resins
    • C08J5/22Films, membranes or diaphragms
    • C08J5/2206Films, membranes or diaphragms based on organic and/or inorganic macromolecular compounds
    • C08J5/2218Synthetic macromolecular compounds
    • C08J5/2231Synthetic macromolecular compounds based on macromolecular compounds obtained by reactions involving unsaturated carbon-to-carbon bonds
    • C08J5/2237Synthetic macromolecular compounds based on macromolecular compounds obtained by reactions involving unsaturated carbon-to-carbon bonds containing fluorine
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00Fuel cells; Manufacture thereof
    • H01M8/10Fuel cells with solid electrolytes
    • H01M8/1016Fuel cells with solid electrolytes characterised by the electrolyte material
    • H01M8/1018Polymeric electrolyte materials
    • H01M8/102Polymeric electrolyte materials characterised by the chemical structure of the main chain of the ion-conducting polymer
    • H01M8/1023Polymeric electrolyte materials characterised by the chemical structure of the main chain of the ion-conducting polymer having only carbon, e.g. polyarylenes, polystyrenes or polybutadiene-styrenes
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00Fuel cells; Manufacture thereof
    • H01M8/10Fuel cells with solid electrolytes
    • H01M8/1016Fuel cells with solid electrolytes characterised by the electrolyte material
    • H01M8/1018Polymeric electrolyte materials
    • H01M8/102Polymeric electrolyte materials characterised by the chemical structure of the main chain of the ion-conducting polymer
    • H01M8/1025Polymeric electrolyte materials characterised by the chemical structure of the main chain of the ion-conducting polymer having only carbon and oxygen, e.g. polyethers, sulfonated polyetheretherketones [S-PEEK], sulfonated polysaccharides, sulfonated celluloses or sulfonated polyesters
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00Fuel cells; Manufacture thereof
    • H01M8/10Fuel cells with solid electrolytes
    • H01M8/1016Fuel cells with solid electrolytes characterised by the electrolyte material
    • H01M8/1018Polymeric electrolyte materials
    • H01M8/1039Polymeric electrolyte materials halogenated, e.g. sulfonated polyvinylidene fluorides
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00Fuel cells; Manufacture thereof
    • H01M8/10Fuel cells with solid electrolytes
    • H01M8/1016Fuel cells with solid electrolytes characterised by the electrolyte material
    • H01M8/1018Polymeric electrolyte materials
    • H01M8/1058Polymeric electrolyte materials characterised by a porous support having no ion-conducting properties
    • H01M8/106Polymeric electrolyte materials characterised by a porous support having no ion-conducting properties characterised by the chemical composition of the porous support
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00Fuel cells; Manufacture thereof
    • H01M8/10Fuel cells with solid electrolytes
    • H01M8/1016Fuel cells with solid electrolytes characterised by the electrolyte material
    • H01M8/1018Polymeric electrolyte materials
    • H01M8/1069Polymeric electrolyte materials characterised by the manufacturing processes
    • H01M8/1072Polymeric electrolyte materials characterised by the manufacturing processes by chemical reactions, e.g. insitu polymerisation or insitu crosslinking
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00Fuel cells; Manufacture thereof
    • H01M8/10Fuel cells with solid electrolytes
    • H01M8/1016Fuel cells with solid electrolytes characterised by the electrolyte material
    • H01M8/1018Polymeric electrolyte materials
    • H01M8/1069Polymeric electrolyte materials characterised by the manufacturing processes
    • H01M8/1086After-treatment of the membrane other than by polymerisation
    • H01M8/1088Chemical modification, e.g. sulfonation
    • 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
    • C08J2327/00Characterised 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
    • C08J2327/02Characterised 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
    • C08J2327/12Characterised 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
    • C08J2327/18Homopolymers or copolymers of tetrafluoroethylene
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2300/00Electrolytes
    • H01M2300/0017Non-aqueous electrolytes
    • H01M2300/0065Solid electrolytes
    • H01M2300/0082Organic polymers
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/30Hydrogen technology
    • Y02E60/50Fuel cells
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50Manufacturing or production processes characterised by the final manufactured product
IT2000MI001843A 2000-08-08 2000-08-08 Ionomeri fluorurati solfonici. IT1318669B1 (it)

Priority Applications (8)

Application Number Priority Date Filing Date Title
IT2000MI001843A IT1318669B1 (it) 2000-08-08 2000-08-08 Ionomeri fluorurati solfonici.
EP01118328A EP1179548B1 (en) 2000-08-08 2001-07-27 Sulphonic fluorinated ionomers
DE60129513T DE60129513T2 (de) 2000-08-08 2001-07-27 Sulfongruppenhaltige fluorierte Ionomere
CA2354678A CA2354678C (en) 2000-08-08 2001-08-03 Sulphonic fluorinated ionomers
JP2001239434A JP4789368B2 (ja) 2000-08-08 2001-08-07 スルホンフッ素化イオノマー
US09/922,741 US6706834B2 (en) 2000-08-08 2001-08-07 Sulphonic fluorinated ionomers
US10/768,690 US6979699B2 (en) 2000-08-08 2004-02-02 Sulphonic fluorinated ionomers
US11/142,186 US7217742B2 (en) 2000-08-08 2005-06-02 Sulphonic fluorinated ionomers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT2000MI001843A IT1318669B1 (it) 2000-08-08 2000-08-08 Ionomeri fluorurati solfonici.

Publications (3)

Publication Number Publication Date
ITMI20001843A0 ITMI20001843A0 (it) 2000-08-08
ITMI20001843A1 ITMI20001843A1 (it) 2002-02-08
IT1318669B1 true IT1318669B1 (it) 2003-08-27

Family

ID=11445684

Family Applications (1)

Application Number Title Priority Date Filing Date
IT2000MI001843A IT1318669B1 (it) 2000-08-08 2000-08-08 Ionomeri fluorurati solfonici.

Country Status (6)

Country Link
US (3) US6706834B2 (it)
EP (1) EP1179548B1 (it)
JP (1) JP4789368B2 (it)
CA (1) CA2354678C (it)
DE (1) DE60129513T2 (it)
IT (1) IT1318669B1 (it)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7094851B2 (en) 2001-12-06 2006-08-22 Gore Enterprise Holdings, Inc. Low equivalent weight ionomer
US6861489B2 (en) 2001-12-06 2005-03-01 Gore Enterprise Holdings, Inc. Low equivalent weight ionomer
US6962959B2 (en) * 2003-08-28 2005-11-08 Hoku Scientific, Inc. Composite electrolyte with crosslinking agents
US7071271B2 (en) 2003-10-30 2006-07-04 3M Innovative Properties Company Aqueous emulsion polymerization of functionalized fluoromonomers
US7259208B2 (en) 2003-11-13 2007-08-21 3M Innovative Properties Company Reinforced polymer electrolyte membrane
US7179847B2 (en) 2003-11-13 2007-02-20 3M Innovative Properties Company Polymer electrolytes crosslinked by e-beam
US7074841B2 (en) 2003-11-13 2006-07-11 Yandrasits Michael A Polymer electrolyte membranes crosslinked by nitrile trimerization
US7265162B2 (en) 2003-11-13 2007-09-04 3M Innovative Properties Company Bromine, chlorine or iodine functional polymer electrolytes crosslinked by e-beam
US7060756B2 (en) 2003-11-24 2006-06-13 3M Innovative Properties Company Polymer electrolyte with aromatic sulfone crosslinking
US20070141425A1 (en) * 2003-12-01 2007-06-21 Takuya Arase Liquid fluoropolymer composition and process for producing crosslinked fluorochemical
US7112614B2 (en) 2003-12-08 2006-09-26 3M Innovative Properties Company Crosslinked polymer
US7060738B2 (en) 2003-12-11 2006-06-13 3M Innovative Properties Company Polymer electrolytes crosslinked by ultraviolet radiation
US7173067B2 (en) 2003-12-17 2007-02-06 3M Innovative Properties Company Polymer electrolyte membranes crosslinked by direct fluorination
EP1612874A1 (en) 2004-07-02 2006-01-04 SOLVAY (Société Anonyme) Solid alkaline fuel cell comprising ion exchange membrane
ITMI20050444A1 (it) * 2005-03-17 2006-09-18 Solvay Solexis Spa Membrana ionomerica
ITMI20050446A1 (it) * 2005-03-17 2006-09-18 Solvay Solexis Spa Composito ccm
ITMI20050445A1 (it) * 2005-03-17 2006-09-18 Solvay Solexis Spa Membrana ionomerica composta
JP5011658B2 (ja) * 2005-05-20 2012-08-29 トヨタ自動車株式会社 燃料電池用電解質膜の製造方法及び燃料電池用電解質膜
CN101336265B (zh) * 2005-12-22 2012-11-07 Bdfip控股有限公司 改进离子交换膜的传导率的水不溶性添加剂
CN101606262B (zh) 2006-12-22 2013-10-02 索维索莱克西斯公开有限公司 干燥条件下操作燃料电池的方法
SG175044A1 (en) * 2009-04-06 2011-11-28 Entegris Inc Non-dewetting porous membranes
WO2011051168A1 (en) * 2009-10-29 2011-05-05 Solvay Solexis S.P.A. Process for the isolation of sulfonyl fluoride polymers and polymers obtained therefrom
EP2424015A1 (en) 2010-08-30 2012-02-29 Solvay SA Assembly for reversible fuel cell
US20130244131A1 (en) 2010-12-03 2013-09-19 Solvay Specialty Polymers Italy S.P.A. Fuel cell modules
WO2013019614A2 (en) * 2011-08-04 2013-02-07 3M Innovative Properties Company Low equivalent weight polymers
KR102592427B1 (ko) * 2020-12-03 2023-10-23 한국화학연구원 과불소 황산기를 함유하는 불소계 공중합체 제조방법 및 이로부터 제조된 공중합체
KR102587558B1 (ko) * 2021-11-25 2023-10-10 한국화학연구원 가교된 불소계 공중합체 및 이의 제조방법
CN116219493B (zh) * 2023-05-06 2023-09-12 北京英博新能源有限公司 质子交换膜及其制备方法和质子交换膜电解槽

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3847978A (en) 1968-07-01 1974-11-12 Montedison Spa Perfluorinated linear polyethers having reactive terminal groups at both ends of the chain and process for the preparation thereof
AU464313B2 (en) * 1971-12-27 1975-08-21 Hooker Chemicals And Plastics Coup Electrolysis method and apparatus
JPS5329291A (en) * 1976-09-01 1978-03-18 Toyo Soda Mfg Co Ltd Cation exchange membrane and production of the same
US4529784A (en) * 1983-07-11 1985-07-16 E. I. Du Pont De Nemours And Company Fluorinated copolymers with improved cure site
IT1189092B (it) 1986-04-29 1988-01-28 Ausimont Spa Processo di polimerizzazione in dispersione acquosa di monomeri fluorurati
IT1204903B (it) 1986-06-26 1989-03-10 Ausimont Spa Processo di polimerizzazione in dispersione acquosa di monomeri florati
US4940525A (en) * 1987-05-08 1990-07-10 The Dow Chemical Company Low equivalent weight sulfonic fluoropolymers
DE3867957D1 (de) * 1987-08-05 1992-03-05 Daikin Ind Ltd Modifiziertes polytetrafluoraethylen und verfahren zu seiner herstellung.
IT1241679B (it) * 1990-03-06 1994-01-31 Ausimont Spa Perfluoropolieteri e processi per la loro preparazione
DE69226763T2 (de) * 1991-01-11 1999-04-08 Dyneon Llc Härten von fluoroelastomeren
US5281680A (en) * 1993-01-14 1994-01-25 E. I. Du Pont De Nemours And Company Polymerization of fluorinated copolymers
IT1264977B1 (it) 1993-11-17 1996-10-17 Ausimont Spa Processo per preparare perfluoropolietri
IT1265461B1 (it) * 1993-12-29 1996-11-22 Ausimont Spa Fluoroelastomeri comprendenti unita' monomeriche derivanti da una bis-olefina
IT1276980B1 (it) * 1995-10-20 1997-11-03 Ausimont Spa Composizioni fluoroelastomeriche
IT1276979B1 (it) * 1995-10-20 1997-11-03 Ausimont Spa Composizioni fluoroelastomeriche
AU2928397A (en) * 1996-04-30 1997-11-19 W.L. Gore & Associates, Inc. Integral multi-layered ion-exchange composite membranes

Also Published As

Publication number Publication date
JP2002128834A (ja) 2002-05-09
US20050228061A1 (en) 2005-10-13
JP4789368B2 (ja) 2011-10-12
US7217742B2 (en) 2007-05-15
CA2354678A1 (en) 2002-02-08
US20020040106A1 (en) 2002-04-04
DE60129513D1 (de) 2007-09-06
DE60129513T2 (de) 2008-04-03
ITMI20001843A1 (it) 2002-02-08
US20040158014A1 (en) 2004-08-12
US6706834B2 (en) 2004-03-16
EP1179548B1 (en) 2007-07-25
CA2354678C (en) 2011-07-12
ITMI20001843A0 (it) 2000-08-08
US6979699B2 (en) 2005-12-27
EP1179548A1 (en) 2002-02-13

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