GB2037293B - Polymeric microporous separators for use in electrolytic processes and cells - Google Patents

Polymeric microporous separators for use in electrolytic processes and cells

Info

Publication number
GB2037293B
GB2037293B GB7937107A GB7937107A GB2037293B GB 2037293 B GB2037293 B GB 2037293B GB 7937107 A GB7937107 A GB 7937107A GB 7937107 A GB7937107 A GB 7937107A GB 2037293 B GB2037293 B GB 2037293B
Authority
GB
Grant status
Grant
Patent type
Prior art keywords
cells
use
electrolytic processes
polymeric microporous
microporous separators
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
GB7937107A
Other versions
GB2037293A (en )
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.)
Occidental Chemical Corp
Original Assignee
Occidental Chemical Corp
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
Grant date

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G
    • C08J9/00Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/26Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof by elimination of a solid phase from a macromolecular composition or article, e.g. leaching out
    • CCHEMISTRY; METALLURGY
    • C25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25BELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
    • C25B13/00Diaphragms; Spacing elements
    • CCHEMISTRY; METALLURGY
    • C25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25BELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
    • C25B13/00Diaphragms; Spacing elements
    • C25B13/04Diaphragms; Spacing elements characterised by the material
    • C25B13/08Diaphragms; Spacing elements characterised by the material based on organic materials
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL INTO ELECTRICAL ENERGY
    • H01M2/00Constructional details or processes of manufacture of the non-active parts
    • H01M2/14Separators; Membranes; Diaphragms; Spacing elements
    • H01M2/16Separators; Membranes; Diaphragms; Spacing elements characterised by the material
    • H01M2/164Separators; Membranes; Diaphragms; Spacing elements characterised by the material comprising non-fibrous material
    • H01M2/1653Organic non-fibrous material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C43/00Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/006Pressing and sintering powders, granules or fibres
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G
    • C08J2327/00Characterised 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
    • C08J2327/02Characterised 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
    • C08J2327/12Characterised 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
    • C08J2327/18Homopolymers or copolymers of tetrafluoroethylene
GB7937107A 1978-11-03 1979-10-25 Polymeric microporous separators for use in electrolytic processes and cells Expired GB2037293B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US95751578 true 1978-11-03 1978-11-03
US06076884 US4250002A (en) 1979-09-19 1979-09-19 Polymeric microporous separators for use in electrolytic processes and devices

Publications (2)

Publication Number Publication Date
GB2037293A true GB2037293A (en) 1980-07-09
GB2037293B true GB2037293B (en) 1983-04-07

Family

ID=26758579

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7937107A Expired GB2037293B (en) 1978-11-03 1979-10-25 Polymeric microporous separators for use in electrolytic processes and cells

Country Status (4)

Country Link
CA (1) CA1179974A (en)
DE (1) DE2944251A1 (en)
FR (1) FR2440417A1 (en)
GB (1) GB2037293B (en)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1081046A (en) * 1965-08-31 1967-08-31 Ici Ltd Manufacture of porous diaphragms
US4098672A (en) * 1973-07-18 1978-07-04 Imperial Chemical Industries Limited Porous diaphragms
FR2280435B1 (en) * 1974-08-02 1977-06-24 Rhone Poulenc Ind
US3944477A (en) * 1974-10-15 1976-03-16 Basf Wyandotte Corporation Diaphragm for electrolytic cell for chlorine production
US4110153A (en) * 1977-09-08 1978-08-29 Ppg Industries, Inc. Method of forming a microporous diaphragm

Also Published As

Publication number Publication date Type
CA1179974A (en) 1984-12-25 grant
DE2944251A1 (en) 1980-05-08 application
CA1179974A1 (en) grant
FR2440417A1 (en) 1980-05-30 application
GB2037293A (en) 1980-07-09 application

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Legal Events

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