DE3278977D1 - Coextruded multilayer cation exchange membranes - Google Patents

Coextruded multilayer cation exchange membranes

Info

Publication number
DE3278977D1
DE3278977D1 DE8282900711T DE3278977T DE3278977D1 DE 3278977 D1 DE3278977 D1 DE 3278977D1 DE 8282900711 T DE8282900711 T DE 8282900711T DE 3278977 T DE3278977 T DE 3278977T DE 3278977 D1 DE3278977 D1 DE 3278977D1
Authority
DE
Germany
Prior art keywords
cation exchange
exchange membranes
coextruded multilayer
multilayer cation
coextruded
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
DE8282900711T
Other languages
German (de)
English (en)
Inventor
Roger Alton Smith
Michael Somerville Withers
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.)
EIDP Inc
Original Assignee
EI Du Pont de Nemours and Co
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 EI Du Pont de Nemours and Co filed Critical EI Du Pont de Nemours and Co
Application granted granted Critical
Publication of DE3278977D1 publication Critical patent/DE3278977D1/de
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
    • C08J5/2275—Heterogeneous membranes
    • C08J5/2281—Heterogeneous membranes fluorine containing heterogeneous membranes
    • 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
    • C25B13/00—Diaphragms; Spacing elements
    • C25B13/02—Diaphragms; Spacing elements characterised by shape or form
    • 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)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Electrochemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Metallurgy (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
DE8282900711T 1982-01-04 1982-01-15 Coextruded multilayer cation exchange membranes Expired DE3278977D1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US33684982A 1982-01-04 1982-01-04
PCT/US1982/000041 WO1983002462A1 (en) 1982-01-04 1982-01-15 Coextruded multilayer cation exchange membranes

Publications (1)

Publication Number Publication Date
DE3278977D1 true DE3278977D1 (en) 1988-10-06

Family

ID=23317941

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8282900711T Expired DE3278977D1 (en) 1982-01-04 1982-01-15 Coextruded multilayer cation exchange membranes

Country Status (4)

Country Link
EP (1) EP0097646B1 (cg-RX-API-DMAC7.html)
JP (1) JPS58501630A (cg-RX-API-DMAC7.html)
DE (1) DE3278977D1 (cg-RX-API-DMAC7.html)
WO (1) WO1983002462A1 (cg-RX-API-DMAC7.html)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4604323A (en) * 1985-02-22 1986-08-05 E. I. Du Pont De Nemours And Company Multilayer cation exchange membrane
DE69128680T2 (de) * 1990-10-05 1998-08-20 Asahi Chemical Ind Verfahren zur Elektrolyse eines Alkalimetall-Chlorids mittels einer Kationenaustauschermembran
US6379551B1 (en) 1997-08-18 2002-04-30 Pall Corporation Method of removing metal ions using an ion exchange membrane
KR20140108274A (ko) * 2011-12-19 2014-09-05 내셔날 리서치 카운실 오브 캐나다 공압출 초박막
CN106367845B (zh) * 2016-09-13 2020-06-23 同济大学 一种具有离子交换能力的聚合物纳米纤维的制备方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3976549A (en) * 1973-02-26 1976-08-24 Hooker Chemicals & Plastics Corporation Electrolysis method
JPS526374A (en) * 1975-07-07 1977-01-18 Tokuyama Soda Co Ltd Anode structure for electrolysis
US4165248A (en) * 1976-12-01 1979-08-21 Ppg Industries, Inc. Method of joining fluorocarbon membrane sheets with quaternary ammonium compounds
US4253900A (en) * 1977-02-28 1981-03-03 Allied Chemical Corporation Method of making novel two component bipolar ion exchange membranes
JPS53144481A (en) * 1977-05-24 1978-12-15 Asahi Glass Co Ltd Method of joining fluorine contained cation exchange resin membrane
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
US4253923A (en) * 1979-06-01 1981-03-03 Olin Corporation Electrolytic process for producing potassium hydroxide
US4337137A (en) * 1980-06-11 1982-06-29 The Dow Chemical Company Composite ion exchange membranes
US4401711A (en) * 1981-01-16 1983-08-30 E. I. Du Pont De Nemours And Company Cation exchange membrane with high equivalent weight component

Also Published As

Publication number Publication date
JPS58501630A (ja) 1983-09-29
WO1983002462A1 (en) 1983-07-21
EP0097646A4 (en) 1984-06-05
EP0097646B1 (en) 1988-08-31
EP0097646A1 (en) 1984-01-11
JPH0142294B2 (cg-RX-API-DMAC7.html) 1989-09-12

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee