DE69603867T2 - Gebundenes asbestfreies diaphragma für chlor-alkali zellen - Google Patents

Gebundenes asbestfreies diaphragma für chlor-alkali zellen

Info

Publication number
DE69603867T2
DE69603867T2 DE69603867T DE69603867T DE69603867T2 DE 69603867 T2 DE69603867 T2 DE 69603867T2 DE 69603867 T DE69603867 T DE 69603867T DE 69603867 T DE69603867 T DE 69603867T DE 69603867 T2 DE69603867 T2 DE 69603867T2
Authority
DE
Germany
Prior art keywords
diaphragma
asbest
tied
free
alkali cells
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 - Fee Related
Application number
DE69603867T
Other languages
English (en)
Other versions
DE69603867D1 (de
Inventor
John Zabasajja
John Gross
Robert Aikman
Charles Martin
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.)
Dow Chemical Co
Original Assignee
Dow Chemical 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 Dow Chemical Co filed Critical Dow Chemical Co
Application granted granted Critical
Publication of DE69603867D1 publication Critical patent/DE69603867D1/de
Publication of DE69603867T2 publication Critical patent/DE69603867T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • C25B13/00—Diaphragms; Spacing elements
    • C25B13/04—Diaphragms; Spacing elements characterised by the material
    • 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
    • C25B9/00—Cells or assemblies of cells; Constructional parts of cells; Assemblies of constructional parts, e.g. electrode-diaphragm assemblies; Process-related cell features
    • C25B9/17—Cells comprising dimensionally-stable non-movable electrodes; Assemblies of constructional parts thereof
    • C25B9/19—Cells comprising dimensionally-stable non-movable electrodes; Assemblies of constructional parts thereof with diaphragms
    • C25B9/23—Cells comprising dimensionally-stable non-movable electrodes; Assemblies of constructional parts thereof with diaphragms comprising ion-exchange membranes in or on which electrode material is embedded
    • 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
    • C25B9/00—Cells or assemblies of cells; Constructional parts of cells; Assemblies of constructional parts, e.g. electrode-diaphragm assemblies; Process-related cell features
    • C25B9/70—Assemblies comprising two or more cells
    • C25B9/73—Assemblies comprising two or more cells of the filter-press type
    • C25B9/77—Assemblies comprising two or more cells of the filter-press type having diaphragms
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00—Fuel cells; Manufacture thereof
    • H01M8/10—Fuel cells with solid electrolytes
    • H01M8/1004—Fuel cells with solid electrolytes characterised by membrane-electrode assemblies [MEA]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/20—Coated or impregnated woven, knit, or nonwoven fabric which is not [a] associated with another preformed layer or fiber layer or, [b] with respect to woven and knit, characterized, respectively, by a particular or differential weave or knit, wherein the coating or impregnation is neither a foamed material nor a free metal or alloy layer
    • Y10T442/2549—Coating or impregnation is chemically inert or of stated nonreactance
    • Y10T442/2574—Acid or alkali resistant
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/60—Nonwoven fabric [i.e., nonwoven strand or fiber material]
    • Y10T442/699—Including particulate material other than strand or fiber material

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • General Chemical & Material Sciences (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Chemical Or Physical Treatment Of Fibers (AREA)
  • Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
DE69603867T 1995-09-07 1996-08-22 Gebundenes asbestfreies diaphragma für chlor-alkali zellen Expired - Fee Related DE69603867T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/525,969 US5685755A (en) 1995-09-07 1995-09-07 Non-asbestos diaphragm separator
PCT/US1996/013692 WO1997009466A1 (en) 1995-09-07 1996-08-22 Bonded non-asbestos chlor-alkali diaphragm

Publications (2)

Publication Number Publication Date
DE69603867D1 DE69603867D1 (de) 1999-09-23
DE69603867T2 true DE69603867T2 (de) 1999-12-30

Family

ID=24095369

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69603867T Expired - Fee Related DE69603867T2 (de) 1995-09-07 1996-08-22 Gebundenes asbestfreies diaphragma für chlor-alkali zellen

Country Status (11)

Country Link
US (1) US5685755A (de)
EP (1) EP0850326B1 (de)
JP (1) JPH11512486A (de)
KR (1) KR100444639B1 (de)
CN (1) CN1201496A (de)
BR (1) BR9610419A (de)
CA (1) CA2231171C (de)
DE (1) DE69603867T2 (de)
ES (1) ES2135248T3 (de)
NO (1) NO981005L (de)
WO (1) WO1997009466A1 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5746954A (en) * 1995-09-07 1998-05-05 The Dow Chemical Company Processes for forming thin, durable coatings of perfluorocarbon ionomers on various substrate materials
FR2803309B1 (fr) * 1999-12-30 2002-05-03 Chloralp Diaphragme exempt d'amiante, comprenant des particules minerales non fibreuses, association le comprenant, son obtention et son utilisation
CA2447132C (en) 2001-05-14 2008-10-07 Omnova Solutions Inc. Polymeric surfactants derived from cyclic monomers having pendant fluorinated carbon groups
US6660828B2 (en) 2001-05-14 2003-12-09 Omnova Solutions Inc. Fluorinated short carbon atom side chain and polar group containing polymer, and flow, or leveling, or wetting agents thereof
FR2839169B1 (fr) * 2002-04-24 2004-12-17 Cit Alcatel Procede de gestion de donnees pour le deroulement d'un logiciel interactif
ITMI20120486A1 (it) * 2012-03-27 2013-09-28 Industrie De Nora Spa Trattamento di effluenti da impianti di produzione di composti epossidici
WO2019055815A1 (en) 2017-09-15 2019-03-21 Dow Global Technologies Llc ELECTROLYTE PERMEABLE DIAPHRAGM
WO2019055801A1 (en) 2017-09-15 2019-03-21 Dow Global Technologies Llc TEMPORARY MODIFICATION OF THE PERMEABILITY OF A PERMEABLE DIAPHRAGM TO ELECTROLYTES

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4464238A (en) * 1983-05-09 1984-08-07 The Dow Chemical Company Porous separators for electrolytic processes
US4853101A (en) * 1984-09-17 1989-08-01 Eltech Systems Corporation Porous separator comprising inorganic/polymer composite fiber and method of making same
US4720334A (en) * 1986-11-04 1988-01-19 Ppg Industries, Inc. Diaphragm for electrolytic cell
US4680101A (en) * 1986-11-04 1987-07-14 Ppg Industries, Inc. Electrolyte permeable diaphragm including a polymeric metal oxide
AU3603393A (en) * 1992-02-13 1993-09-03 Dow Chemical Company, The Separators for electrolytic cells and processes for making
JPH09510391A (ja) * 1994-03-14 1997-10-21 ザ ダウ ケミカル カンパニー 特定の基材上にイオン含有ポリマーの薄い耐久性コーティングを形成させる方法

Also Published As

Publication number Publication date
EP0850326A1 (de) 1998-07-01
ES2135248T3 (es) 1999-10-16
CA2231171C (en) 2001-07-24
CN1201496A (zh) 1998-12-09
NO981005L (no) 1998-05-06
US5685755A (en) 1997-11-11
CA2231171A1 (en) 1997-03-13
KR100444639B1 (ko) 2004-11-10
WO1997009466A1 (en) 1997-03-13
KR19990044473A (ko) 1999-06-25
BR9610419A (pt) 1999-07-06
EP0850326B1 (de) 1999-08-18
JPH11512486A (ja) 1999-10-26
NO981005D0 (no) 1998-03-06
DE69603867D1 (de) 1999-09-23

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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