EP0806048B1 - Mehradriges, kunststoffisoliertes niederspannungs-starkstromkabel - Google Patents
Mehradriges, kunststoffisoliertes niederspannungs-starkstromkabel Download PDFInfo
- Publication number
- EP0806048B1 EP0806048B1 EP96900852A EP96900852A EP0806048B1 EP 0806048 B1 EP0806048 B1 EP 0806048B1 EP 96900852 A EP96900852 A EP 96900852A EP 96900852 A EP96900852 A EP 96900852A EP 0806048 B1 EP0806048 B1 EP 0806048B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- core
- low
- base material
- current cable
- voltage power
- 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 - Lifetime
Links
Images
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
- H01B7/36—Insulated conductors or cables characterised by their form with distinguishing or length marks
- H01B7/361—Insulated conductors or cables characterised by their form with distinguishing or length marks being the colour of the insulation or conductor
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
- H01B3/18—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
- H01B3/30—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes
- H01B3/44—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes vinyl resins; acrylic resins
- H01B3/441—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes vinyl resins; acrylic resins from alkenes
-
- 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
- H01B7/29—Protection against damage caused by extremes of temperature or by flame
- H01B7/295—Protection against damage caused by extremes of temperature or by flame using material resistant to flame
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B9/00—Power cables
Definitions
- the invention is in the field of energy distribution and deals with the constructive and material technology Design of a multi-core, plastic-insulated low-voltage power cable in the sense of an environmentally friendly Recyclability.
- a cable construction is known in which for the core insulation, inner jacket and outer jacket construction elements only environmentally compatible (i.e. halogen free) and recyclable (i.e. uncrosslinked) plastics are used, being strict on good separability (species purity) of the material components is respected.
- So is used as wire insulation material for the different wires a thermoplastic, different colored EPDM-based elastomer used, while for the outer jacket a polyvalent, thermoplastic and halogen-free material based on a copolymer is used with an inert, mineral Flame retardant is filled.
- the core insulation material is like this designed to have conductor temperatures of up to 90 ° C in Continuous operation, from 110 ° C in emergency operation and from 250 ° C in the event of a short circuit withstands.
- manufacture of this cable also on environmentally friendly production methods (e.g. the smallest possible Use of cooling water and electrical energy) and preservation of economic viability (DE-Z "electrical engineering” - Issue 12 - Dec 17, 1993, pages 24, 26 and 35).
- the core insulation, the inner and outer jacket made of the same base material exist, the inner jacket formed by a braid is that the base material is colored black and that provide the core insulation with a core identification are.
- a polyethylene stabilized against susceptibility to stress cracking the density of which lies between 0.92 and 0.94 g / cm 3 and whose Shore D hardness is greater than or at least equal to 42 can be used as the base material for wire insulation, inner and outer sheath .
- Such a material which is a low-density polyethylene modified, for example, with a small proportion of an ethylene-vinyl acetate copolymer, has on the one hand the mechanical properties required for the outer jacket and for the strip material forming the inner jacket, and on the other hand the electrical properties required for the wire insulation and can be stabilized with conventional means against aging as well as against copper oxidation.
- thermoplastic elastomers based on polypropylene are used as the base material in the context of the invention. Such materials can also be stabilized against aging as well as against copper oxidation using conventional means.
- a suitable material is, for example, a polypropylene modified with an ethylene-propylene copolymer or terpolymer, that is to say a polyblend with separate phases (DE-Z "rubber + rubber. Plastics, No. 9/86, pages 804, 806; DE- Z "Kautschuk + Kunststoffe, No.
- thermoplastic elastomers are sold, for example, by Monsanto under the name “Santoprene”.
- polypropylene reactor blends with an elastomer content> 25% by weight can be used as the base material, as they have been developed for special needs of the automotive industry (DE-Z "Kunststoffe", 1992, No. 6 , Pages 499 to 501).
- Corresponding materials are sold by the company BASF under the trade name "Novolen” and also by the company Himont, USA.
- the figure shows a four-wire low-voltage power cable, the sector-shaped, aluminum or copper conductor 1 are each surrounded by an extruded plastic insulation 2.
- a film covering 4 is applied over the stranding structure formed from the four cores, which in turn is surrounded by the extruded outer jacket 5.
- the same base material namely a commercially available low-density polyethylene "Lupolen 2012 D" from BASF with a density of 0.919 to 0.924 g / cm 3, was used for the wire insulation 2, the film spinning 4 and the outer jacket 5.
- This base material is colored black by means of carbon black (which increases the density to about 0.933 to 0.939 g / cm 3 ), so that both the wire insulation and the covering as well as the outer jacket are black.
- the individual cores are distinguished from one another in that three cores are provided with an extruded, colored longitudinal line 3, the color pigments blue, brown and yellow being used. Heavy metal-free ink batches were used here.
- the film spinning 4 and the outer jacket 5 also a polypropylene reactor blend with a Elastomer content of, for example, 43% ethylene-propylene rubber (EPM) (e.g. "Novolen” 2912 HX from BASF) is used become.
- EPM ethylene-propylene rubber
- the film used for the production of the inner jacket the base material colored black by adding soot has a wall thickness of 100 to 120 microns and is useful in single-layer covering with overlap applied.
- an outer sheath based on a filler-compatible olefin homopolymer or olefin copolymer can then be used instead of a previously conventional outer sheath made of PVC.
- Suitable polymers are, for example, ethylene-vinyl acetate copolymers with a VA content of 10 to 30% and polyethylenes with very low density, so-called ULD-PE (density approx.
- a flame-retardant filler in the form of an aluminum oxide hydrate or magnesium hydroxide is to be added in each case to this base material in an amount of about 30% by weight (or from about 70 parts by weight to 100 parts by weight of the polymeric base material).
- Chalk is expediently added as an additional filler in an amount of 25% by weight (or 50 parts by weight to 100 parts by weight of the polymeric base material).
- nonpolar copolymers mentioned are sold, for example, by Dow Chemical, USA under the name “Engage” polymers and by Exxon, USA under the name “Exxpol”.
- Exxpol Exxpol
Landscapes
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Insulated Conductors (AREA)
- Organic Insulating Materials (AREA)
- Communication Cables (AREA)
- Coupling Device And Connection With Printed Circuit (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Description
Claims (7)
- Mehradriges, kunststoffisoliertes Niederspannungs-Starkstromkabel, dessen verseilte Adern von einem Innen- und einem Außenmantel umgeben sind, wobei die Aderisolierungen und der Außenmantel jeweils aus einem halogenfreien, unvernetzten Kunststoff auf Olefin-Basis bestehen,
dadurch gekennzeichnet,
daß die Aderisolierung (2), der Innen- (4) und der Außenmantel (5) aus dem gleichen Basismaterial bestehen, wobei der Innenmantel (4) von einer Bespinnung gebildet wird, daß das Basismaterial schwarz eingefärbt ist und daß die Aderisolierungen (2) mit einer Aderkennzeichnung (3) versehen sind. - Niederspannungs-Starkstromkabel nach Anspruch 1,
dadurch gekennzeichnet,
daß das Basismaterial aus einem handelsüblichen, gegen Spannungsrißanfälligkeit stabilisierten Polyäthylen besteht, dessen Dichte zwischen 0,92 und 0,94 g/cm3 liegt und dessen Shore-D-Härte größer oder wenigstens gleich 42 ist. - Niederspannungs-Starkstromkabel nach Anspruch 1,
dadurch gekennzeichnet,
daß das Basismaterial aus einem handelsüblichen thermoplastischen Elastomer auf Polypropylen-Basis besteht. - Niederspannungs-Starkstromkabel nach Anspruch 3,
dadurch gekennzeichnet,
daß das thermoplastische Elastomer ein mit einem Äthylen-Propylen-Co- oder -Terpolymer modifiziertes Polypropylen ist. - Niederspannungs-Starkstromkabel nach Anspruch 3,
dadurch gekennzeichnet,
daß das thermoplastische Elastomer ein Polypropylen-Reaktorblend mit einem Elastomergehalt größer als 25 Gew.% ist. - Niederspannungs-Starkstromkabel nach einem der Ansprüche 1 bis 5,
dadurch gekennzeichnet, daß
die Aderkennzeichnung aus extrudierten farbigen Längsstrichen (3) besteht, für deren Farbgebung schwermetallfreie Farbpigmente verwendet sind. - Mehradriges, kunststoffisoliertes Niederspannungs-Starkstromkabel, dessen verseilte Adern von einem Innen- und einem Außenmantel umgeben sind, wobei die Aderisolierungen und der Außenmantel jeweils aus einem halogenfreien, unvernetzten Kunststoff auf Olefin-Basis bestehen,
dadurch gekennzeichnet,
daß die Aderisolierung (2) und der Innenmantel aus dem gleichen Basismaterial bestehen, wobei der Innenmantel (4) von einer Bespinnung gebildet wird,
daß das Basismaterial schwarz eingefärbt ist,
daß die Aderisolierungen (2) mit einer Aderkennzeichnung (3) versehen sind
und daß für den Außenmantel (5) als Basismaterial ein füllstoffverträgliches Olefin-Homopolymer oder Olefin-Copolymer verwendet ist, das als flammwidrigen Zusatz Aluminium-Oxydhydrat oder Magnesium-Hydroxid in einer Menge von etwa 30 Gew.% enthält.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19503672 | 1995-01-25 | ||
DE19503672A DE19503672A1 (de) | 1995-01-25 | 1995-01-25 | Mehradriges, kunststoffisoliertes Niederspannungs-Starkstromkabel |
PCT/DE1996/000106 WO1996023311A1 (de) | 1995-01-25 | 1996-01-16 | Mehradriges, kunststoffisoliertes niederspannungs-starkstromkabel |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0806048A1 EP0806048A1 (de) | 1997-11-12 |
EP0806048B1 true EP0806048B1 (de) | 1999-04-07 |
Family
ID=7753179
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP96900852A Expired - Lifetime EP0806048B1 (de) | 1995-01-25 | 1996-01-16 | Mehradriges, kunststoffisoliertes niederspannungs-starkstromkabel |
Country Status (7)
Country | Link |
---|---|
EP (1) | EP0806048B1 (de) |
AT (1) | ATE178736T1 (de) |
DE (2) | DE19503672A1 (de) |
ES (1) | ES2132873T3 (de) |
HU (1) | HUP9800337A3 (de) |
NO (1) | NO311998B1 (de) |
WO (1) | WO1996023311A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103854743A (zh) * | 2012-11-28 | 2014-06-11 | 上海起帆电线电缆有限公司 | 耐火低烟无卤电缆 |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6410651B1 (en) | 1997-07-23 | 2002-06-25 | Pirelli Cavi E Sistemi S.P.A. | Cables with a halogen-free recyclable coating comprising polypropylene and an ethylene copolymer having high structural uniformity |
US6372344B1 (en) | 1997-07-23 | 2002-04-16 | Pirelli Cavi E Sistemi S.P.A. | Cables with a halogen-free recyclable coating comprising polypropylene and an ethylene copolymer having high elastic recovery |
IT1293757B1 (it) | 1997-07-23 | 1999-03-10 | Pirelli Cavi S P A Ora Pirelli | Cavi con rivestimento riciclabile a distribuzione omogenea |
US6552112B1 (en) | 1997-07-23 | 2003-04-22 | Pirelli Cavi E Sistemi S.P.A. | Cable with self-extinguishing properties and flame-retardant composition |
IT1293759B1 (it) * | 1997-07-23 | 1999-03-10 | Pirelli Cavi S P A Ora Pirelli | Cavi con rivestimento riciclabile a bassa deformazione residua |
DK1159747T3 (da) | 1998-12-30 | 2008-02-04 | Prysmian Cavi Sistemi Energia | Kabler med en genanvendelig belægning |
US6495760B1 (en) | 1999-04-03 | 2002-12-17 | Pirelli Cevi E Sistemi S.P.A, | Self-extinguishing cable with low-level production of fumes, and flame-retardant composition used therein |
DE29906998U1 (de) * | 1999-04-20 | 1999-07-01 | Wavin B.V., Zwolle | Zweischichtiges Rohr |
US6861143B2 (en) | 1999-11-17 | 2005-03-01 | Pirelli Cavi E Sistemi S.P.A. | Cable with recyclable covering |
AU2356201A (en) * | 1999-11-17 | 2001-05-30 | Pirelli Cavi E Sistemi S.P.A. | Cable with recyclable covering |
WO2002047092A1 (en) | 2000-12-06 | 2002-06-13 | Pirelli S.P.A. | Process for producing a cable with a recyclable coating |
EP1327664B1 (de) * | 2002-01-09 | 2012-08-08 | Borealis Technology Oy | Pigmentierte Kabelummantelung enthaltend Farbpigmente |
KR101311230B1 (ko) * | 2009-03-24 | 2013-09-24 | 에스케이종합화학 주식회사 | 전력케이블용 비 가교 폴리에틸렌 조성물 |
DE102022102884B4 (de) * | 2022-02-08 | 2024-03-28 | Kromberg & Schubert GmbH Cable & Wire | Mehrschichtige geschäumte elektrische Leitung |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2715349C3 (de) * | 1977-04-06 | 1980-05-22 | Chemische Werke Huels Ag, 4370 Marl | Verwendung von teilkristallinem statistisch copolymerisiertem Polypropylen zur Herstellung von Isolierungen elektrischer Kabel |
DE3113506A1 (de) * | 1981-04-03 | 1983-03-03 | kabelmetal electro GmbH, 3000 Hannover | Mehradriges kunststoffisoliertes elektrisches energiekabel |
JPS57210817A (en) * | 1981-06-23 | 1982-12-24 | Nippon Telegr & Teleph Corp <Ntt> | Manufacture of reclaimed sheathing material from waste cable sheath |
US4401845A (en) * | 1981-08-26 | 1983-08-30 | Pennwalt Corporation | Low smoke and flame spread cable construction |
DE3236395A1 (de) * | 1982-10-01 | 1984-04-05 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Flammwidriges optisches nachrichtenkabel |
DE3407414A1 (de) * | 1984-02-29 | 1985-09-05 | Standard Elektrik Lorenz Ag, 7000 Stuttgart | Flammwidrige isoliermischung fuer kabel und leitungen |
EP0212825B1 (de) * | 1985-07-09 | 1993-09-29 | Nippon Petrochemicals Company, Limited | Feuerhemmende Polyolefinzusammensetzung |
DE3620273A1 (de) * | 1986-05-17 | 1987-11-19 | Kalk Chemische Fabrik Gmbh | Schwerbrennbare thermoplastische formmassen auf der basis von polymerblends aus polypropylen-polyethylen-epdm und eva-copolymer und magnesiumhydroxid |
US4758629A (en) * | 1986-05-28 | 1988-07-19 | E. I. Du Pont De Nemours And Company | Thermoplastic compositions of crystalline polyolefin and ethylene-containing copolymer |
DE3633056A1 (de) * | 1986-09-29 | 1988-04-07 | Kabelmetal Electro Gmbh | Extrudierfaehige mischung fuer halogenfreie, schwer entflammbare umhuellungen |
DE3813200C2 (de) * | 1988-04-20 | 2003-06-26 | Kabelmetal Electro Gmbh | Thermoplastisch verarbeitbare Kunststoffmischung |
DE3833597A1 (de) * | 1988-10-03 | 1990-04-05 | Philips Patentverwaltung | Flammfestes nachrichtenkabel |
JPH06223654A (ja) * | 1993-01-27 | 1994-08-12 | Hitachi Cable Ltd | リサイクル電線 |
-
1995
- 1995-01-25 DE DE19503672A patent/DE19503672A1/de not_active Withdrawn
-
1996
- 1996-01-16 WO PCT/DE1996/000106 patent/WO1996023311A1/de active IP Right Grant
- 1996-01-16 EP EP96900852A patent/EP0806048B1/de not_active Expired - Lifetime
- 1996-01-16 ES ES96900852T patent/ES2132873T3/es not_active Expired - Lifetime
- 1996-01-16 DE DE59601605T patent/DE59601605D1/de not_active Expired - Fee Related
- 1996-01-16 AT AT96900852T patent/ATE178736T1/de not_active IP Right Cessation
- 1996-01-16 HU HU9800337A patent/HUP9800337A3/hu unknown
-
1997
- 1997-07-17 NO NO19973316A patent/NO311998B1/no not_active IP Right Cessation
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103854743A (zh) * | 2012-11-28 | 2014-06-11 | 上海起帆电线电缆有限公司 | 耐火低烟无卤电缆 |
Also Published As
Publication number | Publication date |
---|---|
ATE178736T1 (de) | 1999-04-15 |
HUP9800337A2 (hu) | 1998-06-29 |
ES2132873T3 (es) | 1999-08-16 |
HUP9800337A3 (en) | 2000-06-28 |
WO1996023311A1 (de) | 1996-08-01 |
DE59601605D1 (de) | 1999-05-12 |
NO973316D0 (no) | 1997-07-17 |
EP0806048A1 (de) | 1997-11-12 |
DE19503672A1 (de) | 1996-08-01 |
NO311998B1 (no) | 2002-02-25 |
NO973316L (no) | 1997-09-25 |
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