FR2416728B1 - - Google Patents

Info

Publication number
FR2416728B1
FR2416728B1 FR7902663A FR7902663A FR2416728B1 FR 2416728 B1 FR2416728 B1 FR 2416728B1 FR 7902663 A FR7902663 A FR 7902663A FR 7902663 A FR7902663 A FR 7902663A FR 2416728 B1 FR2416728 B1 FR 2416728B1
Authority
FR
France
Prior art keywords
membrane
carboxylic acid
groups
cation exchange
convertible
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
FR7902663A
Other languages
French (fr)
Other versions
FR2416728A1 (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.)
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
Priority claimed from JP53012295A external-priority patent/JPS609529B2/en
Priority claimed from JP53012297A external-priority patent/JPS609530B2/en
Application filed by Toyo Soda Manufacturing Co Ltd filed Critical Toyo Soda Manufacturing Co Ltd
Publication of FR2416728A1 publication Critical patent/FR2416728A1/fr
Application granted granted Critical
Publication of FR2416728B1 publication Critical patent/FR2416728B1/fr
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
    • C08J5/2206—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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Inorganic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)

Abstract

A cation exchange membrane is produced by impregnating a diene derivative having a carboxylic acid group and/or a group convertible thereto into a membrane of a fluorinated polymer having one or more cation exchange groups and then conducting a partial polymerization of the diene derivative, swelling the membrane in an organic solvent, heating the membrane and where necessary, converting carboxylic acid-convertible groups into carboxylic acid groups. The membranes are suitable for the electrolysis of alkali metal halides.
FR7902663A 1978-02-08 1979-02-01 Expired FR2416728B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP53012295A JPS609529B2 (en) 1978-02-08 1978-02-08 Manufacturing method of cation exchange membrane
JP53012297A JPS609530B2 (en) 1978-02-08 1978-02-08 Improved cation exchange membrane manufacturing method

Publications (2)

Publication Number Publication Date
FR2416728A1 FR2416728A1 (en) 1979-09-07
FR2416728B1 true FR2416728B1 (en) 1984-05-18

Family

ID=26347877

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7902663A Expired FR2416728B1 (en) 1978-02-08 1979-02-01

Country Status (3)

Country Link
DE (1) DE2904647C3 (en)
FR (1) FR2416728B1 (en)
GB (1) GB2014590B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5629685A (en) * 1979-08-14 1981-03-25 Asahi Glass Co Ltd Fluorine containing cation exchange membrane for electrolysis
BR8202397A (en) * 1981-05-01 1983-04-12 Du Pont MEMBRANE COMPOSITE / ELECTRODE ELECTROCHEMICAL CELL PROCESS FOR ELECTROLYSIS OF AN ALKALINE METAL CHLORIDE IN AN ELECTROCHEMICAL CELL
BR8202395A (en) * 1981-05-01 1983-04-12 Du Pont MEMBRANE COMPOSITE SET / ELECTROCHEM CELL ELECTRODE AND ELECTROLYSIS PROCESS

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3666693A (en) * 1969-02-17 1972-05-30 Centre Nat Rech Scient Sequential graft copolymerization of acid and basic monomers onto a perhalogenated olefin polymer
US3684747A (en) * 1970-04-22 1972-08-15 Du Pont Method for increasing the liquid absorptive capacity of linear fluorocarbon sulfonic acid polymer
JPS551351B2 (en) * 1974-03-07 1980-01-12
JPS52130491A (en) * 1976-04-27 1977-11-01 Toyo Soda Mfg Co Ltd Improvement of current efficiency of cation exchange membranes

Also Published As

Publication number Publication date
DE2904647B2 (en) 1981-01-15
DE2904647A1 (en) 1979-08-09
DE2904647C3 (en) 1982-02-25
FR2416728A1 (en) 1979-09-07
GB2014590B (en) 1982-06-16
GB2014590A (en) 1979-08-30

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Legal Events

Date Code Title Description
ST Notification of lapse