GB2121827B - Swelling ion-exchange membrane - Google Patents

Swelling ion-exchange membrane

Info

Publication number
GB2121827B
GB2121827B GB8313777A GB8313777A GB2121827B GB 2121827 B GB2121827 B GB 2121827B GB 8313777 A GB8313777 A GB 8313777A GB 8313777 A GB8313777 A GB 8313777A GB 2121827 B GB2121827 B GB 2121827B
Authority
GB
United Kingdom
Prior art keywords
swelling
exchange membrane
membrane
extent
ion
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
GB8313777A
Other versions
GB2121827A (en
GB8313777D0 (en
Inventor
Keith Graham Moss
Peter John Smith
Robin Andrew Woolhouse
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.)
Imperial Chemical Industries Ltd
Original Assignee
Imperial Chemical Industries 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 Imperial Chemical Industries Ltd filed Critical Imperial Chemical Industries Ltd
Priority to GB8313777A priority Critical patent/GB2121827B/en
Publication of GB8313777D0 publication Critical patent/GB8313777D0/en
Publication of GB2121827A publication Critical patent/GB2121827A/en
Application granted granted Critical
Publication of GB2121827B publication Critical patent/GB2121827B/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
    • 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
    • C08J2335/00—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 carboxyl radical, and containing at least one other carboxyl radical in the molecule, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Derivatives of such polymers
    • C08J2335/02—Characterised by the use of homopolymers or copolymers of esters

Abstract

Treating a sheet of ion-exchange membrane in order to decrease the voltage of operation of an electrolytic cell containing the membrane by swelling the membrane in a liquid medium, the extent of swelling on the anode side being greater than the extent of swelling on the cathode side, and the extent of swelling on the anode side being greater than that effected by contacting the membrane with the electrolyte to be electrolysed.
GB8313777A 1982-06-08 1983-05-18 Swelling ion-exchange membrane Expired GB2121827B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8313777A GB2121827B (en) 1982-06-08 1983-05-18 Swelling ion-exchange membrane

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8216559 1982-06-08
GB8313777A GB2121827B (en) 1982-06-08 1983-05-18 Swelling ion-exchange membrane

Publications (3)

Publication Number Publication Date
GB8313777D0 GB8313777D0 (en) 1983-06-22
GB2121827A GB2121827A (en) 1984-01-04
GB2121827B true GB2121827B (en) 1985-10-16

Family

ID=26283044

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8313777A Expired GB2121827B (en) 1982-06-08 1983-05-18 Swelling ion-exchange membrane

Country Status (1)

Country Link
GB (1) GB2121827B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0145426A3 (en) * 1983-12-06 1986-07-30 E.I. Du Pont De Nemours And Company Process for making oriented film of fluorinated polymer

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4000057A (en) * 1974-11-21 1976-12-28 Hooker Chemicals & Plastics Corporation Electrolytic cell membrane conditioning
JPS52130491A (en) * 1976-04-27 1977-11-01 Toyo Soda Mfg Co Ltd Improvement of current efficiency of cation exchange membranes
JPS5719390A (en) * 1980-07-11 1982-02-01 Asahi Glass Co Ltd Method for mounting ion exchange membrane to electrolytic cell
US4311567A (en) * 1980-11-17 1982-01-19 Ppg Industries, Inc. Treatment of permionic membrane
US4360412A (en) * 1980-11-17 1982-11-23 Ppg Industries, Inc. Treatment of permionic membrane

Also Published As

Publication number Publication date
GB2121827A (en) 1984-01-04
GB8313777D0 (en) 1983-06-22

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19920518