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DE887804C - Diaphragm for electrolytic cells for water decomposers - Google Patents

Diaphragm for electrolytic cells for water decomposers

Info

Publication number
DE887804C
DE887804C DED8004A DED0008004A DE887804C DE 887804 C DE887804 C DE 887804C DE D8004 A DED8004 A DE D8004A DE D0008004 A DED0008004 A DE D0008004A DE 887804 C DE887804 C DE 887804C
Authority
DE
Germany
Prior art keywords
diaphragm
water
electrolytic cells
edge
decomposers
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
DED8004A
Other languages
German (de)
Inventor
Alarich Von Dr Pichler
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.)
Demag Elektrometallurgie GmbH
Original Assignee
Demag Elektrometallurgie GmbH
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 Demag Elektrometallurgie GmbH filed Critical Demag Elektrometallurgie GmbH
Priority to DED8004A priority Critical patent/DE887804C/en
Application granted granted Critical
Publication of DE887804C publication Critical patent/DE887804C/en
Expired 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)

Description

Diaphragma für Elektrolysezellen für Wasserzersetzer Es hat sich als schwierig herausgestellt, die in der Regel aus Asbestgewebe bestehenden Diaphragmen in Wasserzersetzern ausreichend und für die Dauer abzudichten. Auch ist beim Zusammenbauen und Wiederauseinandernhmen der Zellen immer die Gefahr vorhanden, daß die Dichtungsmittel zerstört werden. Vielfach macht das Aufbringen der Dichtungsmittel auf die Randflächen der Diaphragmen Schwierigkeiten.Diaphragm for electrolytic cells for water decomposers It has been found to be Difficult to find, the diaphragms, which are usually made of asbestos fabric Sufficiently and permanently sealed in water disintegrators. Also is when assembling and disassembling the cells always runs the risk of breaking the sealant be destroyed. In many cases it is the application of the sealant to the edge surfaces the diaphragm difficulties.

Diesen Mangel weisen aus Mischpolymeerisaten hergestellte Diaphragmeen nicht auf. Da Kunstharze jedoch wasserabstoßend sind, ist es erforderlich, derartige Diaphragmen einer besonderen Behandlung zu unt-#rz:eh-en, um sie verwendbar zu machen.Diaphragms made from mixed polymers show this deficiency not on. However, since synthetic resins are water repellent, it is necessary to have such Diaphragms undergo special treatment to make them usable.

Die Erfindung geht einen anderen Weg und schlägt vor, Mischpolymerisate lediglich als Abdichtungsmittel für ein aus Gewebe, insbesondere Asbestgewebe, bestehendes Diaphragma zu verwenden. Dil-ses Mittel kann dabei zum Tränken des Diaphragmarandes, als Ummantelung für den Diaphragmarand oder als Randverstärkung des Diaphragmas benutzt werden. In diesem Fall wird die günstige Eigenschaft der Mischpolymerisate für die Abdichtung des Diaphragmas ausgenutzt, ohne daß ihre wasserabstoßende Eigenschaft störend in Erscheinung tritt. In der Ummantelung des Diaphragmas sind die üblichenDurchtrittsöffnungen für den Elektrolyt und die erzeugten Gase vorgesehen.The invention takes a different approach and proposes copolymers only as a sealing means for a fabric, in particular asbestos fabric, existing To use diaphragm. This agent can be used to soak the edge of the diaphragm, as a cladding for the diaphragm edge or as an edge reinforcement of the diaphragm to be used. In this case, the beneficial property of the copolymers used for sealing the diaphragm without losing its water-repellent properties appears disturbing. The usual passage openings are in the casing of the diaphragm intended for the electrolyte and the gases generated.

Als besonders geeignet unter den Mischpolymerisaten haben sich die Polyäthylene herausgestellt, welche den Vorteil der guten Durchlässigkeit mit dem der Beständigkeit und bei entsprechender Mischung mit anderen Stoffen, etwa Polyvinylchlorid, gummiähnliche Elastizität ergeben.Among the copolymers, the Polyethylene turned out to have the advantage of good permeability with that of resistance and when mixed with other substances, for example Polyvinyl chloride, give rubber-like elasticity.

Beim Auseinandernehmen :der Zellen bleiben Diaphragmen und Dichtung vollständig erhalten und lassen sich ohne besondere erneute Dichtungs-. maßnahmen wieder zusammenbauen.When dismantling: the cells remain diaphragms and seals completely preserved and can be re-sealed without any special. measures reassemble.

Claims (3)

PATEN TANSPRÜGIIE: i. Diaphragma für Elektrolysezellen in Wasserzersetzern, dadurch gekennzeichnet,. d.aß der eingespannte und abdichtende Rand des aus einem Gevcehe, insbesondere Asbestgewebe, hergestellten Diaphragmas ganz oder teilweise aus einem Mischpolymerisat besteht. PATEN TANSPRÜGIIE: i. Diaphragm for electrolysis cells in water decomposers, characterized in that. d.ass the clamped and sealing edge of the diaphragm made of a fabric, in particular asbestos fabric, wholly or partially consists of a copolymer. 2. Diaphragma nach Anspruch i, gekennzeichnet durch die Anwendung von Polyät'hylenen als abdichtendes Mittel. 2. Diaphragm according to claim i, characterized through the use of Polyät'hylenes as a sealant. 3. Diaphragma nach Anspruch i und 2, gekennzeichnet durch die Anwendung von Gemischen ausPolyät'hylenen undPolyvinylchlorid oder ähnlichen Stoffen als Randverstärkung oder Randausbildung des Diaphragmas. Angezogene Druckschriften: Schweizerische Patentschrift Nr. 21q.895.3. Diaphragm after Claims 1 and 2, characterized by the use of mixtures of polyethylenes and polyvinyl chloride or similar materials as edge reinforcement or edge formation of the diaphragm. Referenced publications: Swiss patent specification No. 21q.895.
DED8004A 1951-02-18 1951-02-18 Diaphragm for electrolytic cells for water decomposers Expired DE887804C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DED8004A DE887804C (en) 1951-02-18 1951-02-18 Diaphragm for electrolytic cells for water decomposers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DED8004A DE887804C (en) 1951-02-18 1951-02-18 Diaphragm for electrolytic cells for water decomposers

Publications (1)

Publication Number Publication Date
DE887804C true DE887804C (en) 1953-08-27

Family

ID=7032385

Family Applications (1)

Application Number Title Priority Date Filing Date
DED8004A Expired DE887804C (en) 1951-02-18 1951-02-18 Diaphragm for electrolytic cells for water decomposers

Country Status (1)

Country Link
DE (1) DE887804C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1100604B (en) * 1958-12-31 1961-03-02 Demag Elektrometallurgie Gmbh Diaphragm for water electrolysers

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH214895A (en) * 1938-08-04 1941-05-31 Hans Dr Rudolph Process for carrying out electrolysis.

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH214895A (en) * 1938-08-04 1941-05-31 Hans Dr Rudolph Process for carrying out electrolysis.

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1100604B (en) * 1958-12-31 1961-03-02 Demag Elektrometallurgie Gmbh Diaphragm for water electrolysers

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