IT1075838B - Metodo per migliorare la caratteristica di una membrana a scambio di cationi - Google Patents

Metodo per migliorare la caratteristica di una membrana a scambio di cationi

Info

Publication number
IT1075838B
IT1075838B IT2285877A IT2285877A IT1075838B IT 1075838 B IT1075838 B IT 1075838B IT 2285877 A IT2285877 A IT 2285877A IT 2285877 A IT2285877 A IT 2285877A IT 1075838 B IT1075838 B IT 1075838B
Authority
IT
Italy
Prior art keywords
cation exchange
improve
characteristic
exchange membrane
membranes
Prior art date
Application number
IT2285877A
Other languages
English (en)
Inventor
Asami Shunichi
Seita Toru
Shimizu Akihiko
Original Assignee
Toyo Soda Mfg 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 Mfg Co Ltd filed Critical Toyo Soda Mfg Co Ltd
Application granted granted Critical
Publication of IT1075838B publication Critical patent/IT1075838B/it

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)
IT2285877A 1976-04-27 1977-04-27 Metodo per migliorare la caratteristica di una membrana a scambio di cationi IT1075838B (it)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
IT1075838B true IT1075838B (it) 1985-04-22

Family

ID=12769484

Family Applications (1)

Application Number Title Priority Date Filing Date
IT2285877A IT1075838B (it) 1976-04-27 1977-04-27 Metodo per migliorare la caratteristica di una membrana a scambio di cationi

Country Status (6)

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

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
DE3473476D1 (en) * 1983-11-29 1988-09-22 Ici 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 (it) * 1989-03-01 1990-09-12
US6136412A (en) * 1997-10-10 2000-10-24 3M Innovative Properties Company Microtextured catalyst transfer substrate
US5879828A (en) * 1997-10-10 1999-03-09 Minnesota Mining And Manufacturing Company Membrane electrode assembly
US6042959A (en) * 1997-10-10 2000-03-28 3M Innovative Properties Company Membrane electrode assembly and method of its manufacture
US5879827A (en) * 1997-10-10 1999-03-09 Minnesota Mining And Manufacturing Company Catalyst for membrane electrode assembly and method of making
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
CN100523062C (zh) * 2001-07-13 2009-08-05 纳幕尔杜邦公司 高度氟化离子交换聚合物的溶解方法
US20050131116A1 (en) 2002-07-12 2005-06-16 Qun Sun Process for dissolution of highly fluorinated ion-exchange polymers

Also Published As

Publication number Publication date
FR2361435B1 (it) 1981-03-27
DE2718307A1 (de) 1977-11-17
GB1547534A (en) 1979-06-20
FR2361435A1 (fr) 1978-03-10
JPS6145653B2 (it) 1986-10-09
DE2718307B2 (de) 1979-05-03
JPS52130491A (en) 1977-11-01
CA1091406A (en) 1980-12-16

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