SE7711959L - Forfarande for atervinning av elektrokemiska egenskaper for katjonbytarmembran av fluorerade polymer - Google Patents

Forfarande for atervinning av elektrokemiska egenskaper for katjonbytarmembran av fluorerade polymer

Info

Publication number
SE7711959L
SE7711959L SE7711959A SE7711959A SE7711959L SE 7711959 L SE7711959 L SE 7711959L SE 7711959 A SE7711959 A SE 7711959A SE 7711959 A SE7711959 A SE 7711959A SE 7711959 L SE7711959 L SE 7711959L
Authority
SE
Sweden
Prior art keywords
electrochemical properties
recoverying
procedure
polymer cation
change membrane
Prior art date
Application number
SE7711959A
Other languages
English (en)
Other versions
SE453603B (sv
Inventor
T Asawa
T Gunhima
Original Assignee
Asahi Glass 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 Asahi Glass Co Ltd filed Critical Asahi Glass Co Ltd
Publication of SE7711959L publication Critical patent/SE7711959L/sv
Publication of SE453603B publication Critical patent/SE453603B/sv

Links

Classifications

    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J49/00—Regeneration or reactivation of ion-exchangers; Apparatus therefor
    • B01J49/20—Regeneration or reactivation of ion-exchangers; Apparatus therefor of 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
    • C08J5/2287—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
    • 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)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Inorganic Chemistry (AREA)
  • Electrochemistry (AREA)
  • Metallurgy (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
SE7711959A 1977-11-02 1977-10-24 Forfarande for atervinning av elektrokemiska egenskaper for katjonbytarmembranmaterial SE453603B (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/847,909 US4115240A (en) 1977-11-02 1977-11-02 Method of regenerating electrochemical properties of cation exchange membrane of fluorinated polymer

Publications (2)

Publication Number Publication Date
SE7711959L true SE7711959L (sv) 1979-04-25
SE453603B SE453603B (sv) 1988-02-15

Family

ID=25301794

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7711959A SE453603B (sv) 1977-11-02 1977-10-24 Forfarande for atervinning av elektrokemiska egenskaper for katjonbytarmembranmaterial

Country Status (6)

Country Link
US (1) US4115240A (sv)
CA (1) CA1093768A (sv)
DE (1) DE2750599C2 (sv)
FR (1) FR2408383A1 (sv)
GB (1) GB1536262A (sv)
SE (1) SE453603B (sv)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53144481A (en) * 1977-05-24 1978-12-15 Asahi Glass Co Ltd Method of joining fluorine contained cation exchange resin membrane
US4367147A (en) * 1978-05-31 1983-01-04 Toyo Soda Manufacturing Co., Ltd. Method of recovering characteristics of deteriorated cation exchange membrane
US4416757A (en) * 1978-12-22 1983-11-22 Olin Corporation Coated thermoplastic polymer diaphragms and a method for their preparation
US4290833A (en) * 1979-09-28 1981-09-22 Olin Corporation Method for sealing cation exchange membranes of carboxylic acid type fluorinated polymers
JPS5719390A (en) * 1980-07-11 1982-02-01 Asahi Glass Co Ltd Method for mounting ion exchange membrane to electrolytic cell
JPS607942B2 (ja) * 1982-07-23 1985-02-28 株式会社武蔵野化学研究所 陽イオン交換膜の再生方法
US4697902A (en) * 1985-02-20 1987-10-06 Kabushiki Kaisha Toshiba Device for containing a radiation recording medium

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3969285A (en) * 1973-12-17 1976-07-13 E. I. Du Pont De Nemours And Company Heat-treated fluorocarbon sulfonylamine cation permselectivity
US4040919A (en) * 1974-10-29 1977-08-09 Hooker Chemicals & Plastics Corporation Voltage reduction of membrane cell for the electrolysis of brine
JPS5214584A (en) * 1975-07-25 1977-02-03 Asahi Glass Co Ltd Electrodialysis method of a base-containing solution
DE2644443B2 (de) * 1975-10-06 1978-08-31 Basf Wyandotte Corp., Wyandotte, Mich. (V.St.A.) Verfahren zur Verbesserung der Selektivität von Membranen für Chloralkalielektrolysezellen
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
DE2750599C2 (de) 1985-07-25
FR2408383B1 (sv) 1983-11-04
SE453603B (sv) 1988-02-15
CA1093768A (en) 1981-01-20
FR2408383A1 (fr) 1979-06-08
US4115240A (en) 1978-09-19
GB1536262A (en) 1978-12-20
DE2750599A1 (de) 1979-05-17

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