DE873713C - Ozone-proof electrical cable - Google Patents
Ozone-proof electrical cableInfo
- Publication number
- DE873713C DE873713C DEF1141D DEF0001141D DE873713C DE 873713 C DE873713 C DE 873713C DE F1141 D DEF1141 D DE F1141D DE F0001141 D DEF0001141 D DE F0001141D DE 873713 C DE873713 C DE 873713C
- Authority
- DE
- Germany
- Prior art keywords
- ozone
- electrical cable
- proof electrical
- rubber
- insulation
- 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
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/28—Protection against damage caused by moisture, corrosion, chemical attack or weather
Landscapes
- Organic Insulating Materials (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Insulated Conductors (AREA)
Description
Ozonfestes elektrisches Kabel Für Hochspannungsanlagen, z. B. Röntgenapparate und i\Teonleuchtröhren, werden vielfach Gummikabel als Zuleitung benutzt. Derartige Gummikabel müssen gegen Ozon besonders widerstandsfähig sein. Gummi aus Naturk,autschulc ist wenig ozonfest. Durch Verwendung von synthetischem Gummi anstatt von Gummi aus Naturkautschulz wird zwar eine höhere Ozonfestigkeit erzielt, aber bei längerem Betrieb wird auch der synthetische Gummi von Ozon zerstört.Ozone-proof electrical cable For high-voltage systems, e.g. B. X-ray machines and fluorescent tubes, rubber cables are often used as feed lines. Such Rubber cables must be particularly resistant to ozone. Natural rubber, autschulc is not very ozone-resistant. By using synthetic rubber instead of rubber Naturkautschulz achieves a higher resistance to ozone, but for a longer period of time Operation also destroys the synthetic rubber from ozone.
Die Erfindung betrifft ein ozonfestes Kabel mit einer Schutzschicht und/oder Isolierung, die aus .einer Mischung von einem Mischpolymerisat aus Butadien und Acrylsäurenitril mit mehr als zoo/o Polyvinylchlorid besteht. Das Mischen wird in bekannter Weise in der Gummimischwalze vorgenommen. Das Polyv inylchlorid kann mit oder ohne weichmachende Zusätze zur Mischung nach der Erfindung zugegeben werden. Als günstige Mischung hat sich eine solche aus 9o bis 5o 1/o eines aus einem Mischpolymerisat aus Buta:dien und Acrylsäurenitril bestehenden synthetischen Gummis und 1o bis 5o°/o Polyvinylchlo:rid erwiesen. Je nach den übrigen gewünschten Eigenschaften, wie z. B. Biegsamkeit, läßt sich das Mischungsverhältnis in den angegebenen Grenzen verändern.The invention relates to an ozone-resistant cable with a protective layer and / or insulation that consists of a mixture of a copolymer of butadiene and acrylonitrile with more than zoo / o polyvinyl chloride. The mixing will made in a known manner in the rubber mixing roller. The polyvinyl chloride can be added with or without plasticizing additives to the mixture according to the invention. A mixture of 90 to 50 1 / o of a mixed polymer has proven to be a favorable mixture synthetic rubbers consisting of butadiene and acrylonitrile and 10 to 50 per cent Polyvinyl chloride proved. Depending on the other desired properties, such as. B. flexibility, the mixing ratio can be changed within the specified limits.
Die ozonfesten Kabel können zunächst mit einer Gummiisolierung in bekannter Weise und hierüber mit einer Schutzschicht nach der Erfindung umgeben sein, wobei .die Schutzschicht zweckmäßig lückenlos mit der Gummiisolierung verbunden ist. Zwischen der Isolierung und .der Schutzschicht können auch Zwischenschichten angebracht sein aus Mischungen von,dem Stoff ,der Isolierung und dem Stoff- der Schutzschicht, um hinsichtlich oder Stoffzusammensetzung in bekannter Weise einen allmählichen Übergang von der einen zur anderen Schicht herzustellen. Die Schutzschichten können sowohl auf dem Leiter als auch außen auf der Isolierung bzw. über einem gemeinsamen Mantel bei Drehstromkabeln angebracht sein, oder es können bei einem Kabel gleichzeitig mehrere Schutzschichten an verschiedenen Stellen des Aufbaues Verwendung finden.The ozone-resistant cables can initially be covered with rubber insulation known manner and surrounded by a protective layer according to the invention be, where .the protective layer is appropriate seamless with the rubber insulation connected is. Interlayers can also be used between the insulation and the protective layer be appropriate from mixtures of, the substance, the insulation and the substance of Protective layer, in a known manner with regard to or composition of matter create a gradual transition from one layer to the other. The protective layers can both on the conductor and outside on the insulation or over a common Sheath can be attached to three-phase cables, or it can be used for one cable at the same time several protective layers are used at different points in the structure.
Claims (1)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEF1141D DE873713C (en) | 1937-12-28 | 1937-12-28 | Ozone-proof electrical cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEF1141D DE873713C (en) | 1937-12-28 | 1937-12-28 | Ozone-proof electrical cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE873713C true DE873713C (en) | 1953-04-16 |
Family
ID=7082732
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DEF1141D Expired DE873713C (en) | 1937-12-28 | 1937-12-28 | Ozone-proof electrical cable |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE873713C (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1006030B (en) * | 1955-05-07 | 1957-04-11 | Siemens Ag | Isolation of electrical lines or cables |
| DE1038627B (en) * | 1955-04-07 | 1958-09-11 | Siemens Ag | Electric power cable or line with conductor insulation made from an electrically high-quality thermoplastic based on pure hydrocarbons |
-
1937
- 1937-12-28 DE DEF1141D patent/DE873713C/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1038627B (en) * | 1955-04-07 | 1958-09-11 | Siemens Ag | Electric power cable or line with conductor insulation made from an electrically high-quality thermoplastic based on pure hydrocarbons |
| DE1006030B (en) * | 1955-05-07 | 1957-04-11 | Siemens Ag | Isolation of electrical lines or cables |
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