JPS57143332A - Production of cation exchange membrane - Google Patents

Production of cation exchange membrane

Info

Publication number
JPS57143332A
JPS57143332A JP56028371A JP2837181A JPS57143332A JP S57143332 A JPS57143332 A JP S57143332A JP 56028371 A JP56028371 A JP 56028371A JP 2837181 A JP2837181 A JP 2837181A JP S57143332 A JPS57143332 A JP S57143332A
Authority
JP
Japan
Prior art keywords
polymer
film
groups
sulfonic
carboxylic
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.)
Granted
Application number
JP56028371A
Other languages
Japanese (ja)
Other versions
JPS6228170B2 (en
Inventor
Toru Kiyota
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
Priority to JP56028371A priority Critical patent/JPS57143332A/en
Publication of JPS57143332A publication Critical patent/JPS57143332A/en
Publication of JPS6228170B2 publication Critical patent/JPS6228170B2/ja
Granted legal-status Critical Current

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Abstract

PURPOSE: Films of perfluorocarbon polymer containing groups convertible into sulfonic and carboxylic acid groups respectively are aminated into a special structure to produce a cation-exchange membrane for diaphragm that performs industrially high-efficiency electrolysis of sodium chloride aqueous solution or the like.
CONSTITUTION: The objective cation-exchange membrane is produced by laminating three films, (A) a film of perfluorocarbon (PFC) polymer containing groups convertible into sulfonic group (exchange capacity of 0.5W1.0meq/g), such as a polymer of formulaI, (B) a film of PFC containing groups convertible into carboxylic group (exchange capacity is 0.6W1.5meq/g) such as a polymer of formula II and (C) a film of PFC polymer containing groups convertible into sulfonic and carboxylic groups respectively[the total exchange capacity is 0.5W1.3meq/g, the ratio of carboxylic groups/(carboxylic groups + sulfonic groups) is preferably 4/5W1/5]such as a polymer of formula III so that film C becomes the middle layer.
COPYRIGHT: (C)1982,JPO&Japio
JP56028371A 1981-03-02 1981-03-02 Production of cation exchange membrane Granted JPS57143332A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56028371A JPS57143332A (en) 1981-03-02 1981-03-02 Production of cation exchange membrane

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56028371A JPS57143332A (en) 1981-03-02 1981-03-02 Production of cation exchange membrane

Publications (2)

Publication Number Publication Date
JPS57143332A true JPS57143332A (en) 1982-09-04
JPS6228170B2 JPS6228170B2 (en) 1987-06-18

Family

ID=12246762

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56028371A Granted JPS57143332A (en) 1981-03-02 1981-03-02 Production of cation exchange membrane

Country Status (1)

Country Link
JP (1) JPS57143332A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4969982A (en) * 1985-12-13 1990-11-13 Asahi Glass Company, Ltd. Method for producing an alkali metal hydroxide and electrolytic cell useful for the method
US4983264A (en) * 1984-05-18 1991-01-08 Asahi Glass Company Ltd. Four layer cation exchange fluoropolymer membrane
WO1998028811A1 (en) * 1996-12-23 1998-07-02 E.I. Du Pont De Nemours And Company Multiple layer membranes for fuel cells employing direct feed fuels
JP2013163860A (en) * 2012-02-13 2013-08-22 Asahi Kasei Chemicals Corp Cation exchange membrane and electrolytic bath using the same

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52116287A (en) * 1976-03-26 1977-09-29 Nepon Kk Detecting process and apparatus for co2 concentration in interior and the like
US4176215A (en) * 1978-03-13 1979-11-27 E. I. Du Pont De Nemours And Company Ion-exchange structures of copolymer blends useful in electrolytic cells

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52116287A (en) * 1976-03-26 1977-09-29 Nepon Kk Detecting process and apparatus for co2 concentration in interior and the like
US4176215A (en) * 1978-03-13 1979-11-27 E. I. Du Pont De Nemours And Company Ion-exchange structures of copolymer blends useful in electrolytic cells

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4983264A (en) * 1984-05-18 1991-01-08 Asahi Glass Company Ltd. Four layer cation exchange fluoropolymer membrane
US4969982A (en) * 1985-12-13 1990-11-13 Asahi Glass Company, Ltd. Method for producing an alkali metal hydroxide and electrolytic cell useful for the method
WO1998028811A1 (en) * 1996-12-23 1998-07-02 E.I. Du Pont De Nemours And Company Multiple layer membranes for fuel cells employing direct feed fuels
US5981097A (en) * 1996-12-23 1999-11-09 E.I. Du Pont De Nemours And Company Multiple layer membranes for fuel cells employing direct feed fuels
JP2013163860A (en) * 2012-02-13 2013-08-22 Asahi Kasei Chemicals Corp Cation exchange membrane and electrolytic bath using the same

Also Published As

Publication number Publication date
JPS6228170B2 (en) 1987-06-18

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