CA1091406A - Method of improving current efficiency of cation- exchange membrane - Google Patents

Method of improving current efficiency of cation- exchange membrane

Info

Publication number
CA1091406A
CA1091406A CA276,815A CA276815A CA1091406A CA 1091406 A CA1091406 A CA 1091406A CA 276815 A CA276815 A CA 276815A CA 1091406 A CA1091406 A CA 1091406A
Authority
CA
Canada
Prior art keywords
cation
membrane
exchange membrane
organic solvent
group
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
CA276,815A
Other languages
English (en)
French (fr)
Inventor
Shunichi Asami
Toru Seita
Akihiko Shimizu
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.)
Tosoh Corp
Original Assignee
Toyo Soda Manufacturing 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 Toyo Soda Manufacturing Co Ltd filed Critical Toyo Soda Manufacturing Co Ltd
Application granted granted Critical
Publication of CA1091406A publication Critical patent/CA1091406A/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
    • 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
    • C08J5/2206—Films, membranes or diaphragms based on organic and/or inorganic macromolecular compounds
    • C08J5/2218—Synthetic macromolecular compounds
    • C08J5/2231—Synthetic macromolecular compounds based on macromolecular compounds obtained by reactions involving unsaturated carbon-to-carbon bonds
    • C08J5/2237—Synthetic macromolecular compounds based on macromolecular compounds obtained by reactions involving unsaturated carbon-to-carbon bonds containing fluorine
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
    • C25B1/00—Electrolytic production of inorganic compounds or non-metals
    • C25B1/01—Products
    • C25B1/34—Simultaneous production of alkali metal hydroxides and chlorine, oxyacids or salts of chlorine, e.g. by chlor-alkali electrolysis
    • C25B1/46—Simultaneous production of alkali metal hydroxides and chlorine, oxyacids or salts of chlorine, e.g. by chlor-alkali electrolysis in diaphragm cells
    • 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)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Health & Medical Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Electrochemistry (AREA)
  • Metallurgy (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
  • Treatments Of Macromolecular Shaped Articles (AREA)
CA276,815A 1976-04-27 1977-04-22 Method of improving current efficiency of cation- exchange membrane Expired CA1091406A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP47233/1976 1976-04-27
JP4723376A JPS52130491A (en) 1976-04-27 1976-04-27 Improvement of current efficiency of cation exchange membranes

Publications (1)

Publication Number Publication Date
CA1091406A true CA1091406A (en) 1980-12-16

Family

ID=12769484

Family Applications (1)

Application Number Title Priority Date Filing Date
CA276,815A Expired CA1091406A (en) 1976-04-27 1977-04-22 Method of improving current efficiency of cation- exchange membrane

Country Status (6)

Country Link
JP (1) JPS52130491A (en, 2012)
CA (1) CA1091406A (en, 2012)
DE (1) DE2718307B2 (en, 2012)
FR (1) FR2361435A1 (en, 2012)
GB (1) GB1547534A (en, 2012)
IT (1) IT1075838B (en, 2012)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE453603B (sv) * 1977-11-02 1988-02-15 Asahi Glass Co Ltd Forfarande for atervinning av elektrokemiska egenskaper for katjonbytarmembranmaterial
GB2014590B (en) * 1978-02-08 1982-06-16 Toyo Soda Mfg Co Ltd Process for producing cation exchange membrane
JPS6038973B2 (ja) * 1978-04-18 1985-09-04 旭化成株式会社 フツ素系陽イオン交換膜の再生方法
US4360412A (en) * 1980-11-17 1982-11-23 Ppg Industries, Inc. Treatment of permionic membrane
GB2121827B (en) * 1982-06-08 1985-10-16 Ici Plc Swelling ion-exchange membrane
AU557081B2 (en) * 1982-06-08 1986-12-04 Imperial Chemical Industries Plc Treatment of ion-exchange membrane
EP0143606B1 (en) * 1983-11-29 1988-08-17 Imperial Chemical Industries Plc Production of ion-exchange membrane
EP0145426A3 (en) * 1983-12-06 1986-07-30 E.I. Du Pont De Nemours And Company Process for making oriented film of fluorinated polymer
JPH02114244U (en, 2012) * 1989-03-01 1990-09-12
US6136412A (en) * 1997-10-10 2000-10-24 3M Innovative Properties Company Microtextured catalyst transfer substrate
US5879827A (en) * 1997-10-10 1999-03-09 Minnesota Mining And Manufacturing Company Catalyst for membrane electrode assembly and method of making
US6042959A (en) 1997-10-10 2000-03-28 3M Innovative Properties Company Membrane electrode assembly and method of its manufacture
US5879828A (en) * 1997-10-10 1999-03-09 Minnesota Mining And Manufacturing Company Membrane electrode assembly
JP4779213B2 (ja) * 2001-02-23 2011-09-28 ユニマテック株式会社 コーティング材
US20050131116A1 (en) 2002-07-12 2005-06-16 Qun Sun Process for dissolution of highly fluorinated ion-exchange polymers
AU2002320475B2 (en) * 2001-07-13 2008-04-03 E.I. Du Pont De Nemours And Company Process for dissolution of highly fluorinated ion-exchange polymers

Also Published As

Publication number Publication date
FR2361435A1 (fr) 1978-03-10
JPS6145653B2 (en, 2012) 1986-10-09
DE2718307A1 (de) 1977-11-17
DE2718307B2 (de) 1979-05-03
FR2361435B1 (en, 2012) 1981-03-27
GB1547534A (en) 1979-06-20
JPS52130491A (en) 1977-11-01
IT1075838B (it) 1985-04-22

Similar Documents

Publication Publication Date Title
CA1091406A (en) Method of improving current efficiency of cation- exchange membrane
CA1088707A (en) Process for preparing cation-exchange membrane
US4683040A (en) Process for electrolysis of sodium chloride
US4298697A (en) Method of making sheet or shaped cation exchange membrane
US5397445A (en) Method for producing an acid and/or alkali metal hydroxide
CA1151109A (en) Cation exchange membrane of fluorinated polymer with carboxylic acid groups
US4132682A (en) Process for preparing cation-exchange membrane
EP2656425B1 (en) Ionomers and ionically conductive compositions for use as one or more electrode of a fuel cell
JPS63297406A (ja) 低当量重量のスルホン酸系フルオロ重合体
US4136237A (en) Process for preparing cation-exchange membrane by polymerizing lactone ring containing unsaturated monomer in the presence of fluorinated polymer
CA1102971A (en) Method of improving characteristic of cation-exchange membrane
US4148979A (en) Method of improving characteristics of cation-exchange membrane by swelling in water miscible organic solvent
US4168216A (en) Heat-treated fluorocarbon sulfonamide cation exchange membrane and process therefor
US4988364A (en) Coated cation exchange yarn and process
US4486277A (en) Electrolytic cation exchange membrane
US4686120A (en) Multilayer cation exchange membrane
JPH073048A (ja) イオン交換膜の加水分解の方法
JPH02279732A (ja) 強化されたカチオン交換膜及び方法
US4189540A (en) Process for producing cation exchange membrane by impregnating a diene monomer having carboxylic acid groups into a fluorinated membrane having cation exchange groups and polymerizing
US4734170A (en) Electrolysis of aqueous solution of sodium chloride
JP3511117B2 (ja) 電解用陽イオン交換膜及び高純度水酸化カリウムの製造方法
EP0385427A2 (en) Cation exchange membrane reinforced with a cation exchange fabric
JPH0247491B2 (en, 2012)
EP0077325A1 (en) Method of making sheet or shaped cation exchange membrane
JPS6223773B2 (en, 2012)

Legal Events

Date Code Title Description
MKEX Expiry