EP2605251A1 - Temperature-resistant halogen-free cable - Google Patents
Temperature-resistant halogen-free cable Download PDFInfo
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- EP2605251A1 EP2605251A1 EP11306665.8A EP11306665A EP2605251A1 EP 2605251 A1 EP2605251 A1 EP 2605251A1 EP 11306665 A EP11306665 A EP 11306665A EP 2605251 A1 EP2605251 A1 EP 2605251A1
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- Prior art keywords
- phr
- polymer mixture
- insulating layer
- temperature
- flame
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- 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
- H01B7/292—Protection against damage caused by extremes of temperature or by flame using material resistant to heat
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
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- 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
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- 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
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/49117—Conductor or circuit manufacturing
Definitions
- the present invention relates to a temperature-resistant electrical lead, in particular for use as installation line in buildings, which may consist of a sheathed wire, or may have in a sheath two, three or more wires.
- the electrical line according to the invention is characterized in that it is temperature-resistant, in particular to 90 ° C, halogen-free and meets the requirements of standard UL83, in particular a maximum allowable use temperature of 90 ° C, a high resistance to flame development and fire has.
- Generic single-core lines consist of a solid or stranded conductor, in particular aluminum or copper, on which a temperature-resistant insulating layer of PVC rests, which is covered by a sheath of a polyamide-containing polymer mixture, in particular nylon.
- the object of the invention is to provide an electrical line which has a similar or higher resistance to fire than lines whose wires have an insulating layer of PVC within a nylon sheath, a temperature resistance up to at least 90 ° C and is halogen-free.
- the layers comprising the conductor should be able to be produced at a maximum of the same cost as a conventional temperature- and fire-resistant halogen-containing electrical conductor, whose wires consist of a conductor with an insulating layer of PVC within a nylon sheath.
- the invention solves the problem with the features of the claims, in particular with a Electric cable with a maximum temperature resistance of at least 90 ° C and in particular fire properties that meet the standard UL83 (equivalent to CSA standard C22.2 NO. 75-08) and is therefore halogen-free, that it has at least one electrical conductor consisting of a Conductor, in particular solid or stranded aluminum or copper and the conductor comprehensive flame-retardant, temperature-resistant halogen-free insulating layer, wherein the core of a jacket of a polyamide-containing polymer mixture, in particular of polyamide, is included.
- the cladding rests on the insulating layer of the wire or the wire has an intermediate layer which forms an intermediate cladding and adjoins the insulating layer of at least two wires and the cladding comprising the intermediate layer, which is also referred to as intermediate cladding.
- This polyamide-containing polymer mixture can consist of polyamide, in particular PA6, PA4 and / or PA12, to which optionally flame retardants, processing aids and / or stabilizers are added.
- the electrical lead of the present invention preferably has the mechanical and fire properties defined in standard UL83 for THHN leads with a polyamide (in particular nylon) sheath.
- the insulation layer of the wire should be 3 G ⁇ m or more when stored in air at 97 ⁇ 1 ° C for at least 12 weeks, at most 36 weeks, at least during the last six weeks of storage at elevated temperature, especially for use as installation pipe in Environments up to a maximum of 90 ° C.
- the insulation layer of the wire should be 3 G ⁇ m or more when stored in air at 97 ⁇ 1 ° C for at least 12 weeks, at most 36 weeks, at least during the last six weeks of storage at elevated temperature, especially for use as installation pipe in Environments up to a maximum of 90 ° C.
- the insulation layer of the wire should be 3 G ⁇ m or more when stored in air at 97 ⁇ 1 ° C for at least 12 weeks, at most 36 weeks, at least during the last six weeks of storage at elevated temperature, especially for use as installation pipe in Environments up to a maximum of 90 ° C.
- the insulation layer of the wire should be 3 G ⁇ m or more when stored in air at 97 ⁇ 1 ° C for at least 12 weeks, at most
- the electrical line according to the invention at room temperature after aging at 136 ° C in a convection oven for 7 days no damage, in particular no cracks after winding on a coil according to the standard UL83. Furthermore, after this aging, the tensile strength is at least 75% of the initial value, and / or the elongation at break is at least 65% of the initial value
- the lead of the present invention exhibits a maximum decrease in thickness of 30% under load in the UL83 deformation test at 136 ⁇ 1 ° C.
- the line according to the invention has a flame and fire resistance according to UL83, in particular so that the flames extinguish after 5-fold application of a test flame for 15 s with interruptions of 15s within 60s again, or that after the application of the test flame no flames are present after 60 seconds, and in particular each without dripping of material which ignites a cotton cloth placed below the conduit.
- the line according to the invention may be single core and consist of a conductor comprising the insulating layer comprising the conductor and a sheath of a polyamide-containing polymer mixture which rests on the insulating layer.
- the electrical line may consist of two or more wires, each consisting of a conductor with an insulating layer comprising the conductor, within a jacket comprising the wires of a polyamide-containing polymer mixture.
- the electrical line may consist of two, three or more wires whose insulating layer is in each case comprised of a separate directly lying polyamide-containing polymer mixture, which are contained in a common jacket of a temperature-resistant halogen-free polymer mixture according to the invention.
- the insulating layer of each core has the same composition as the temperature-resistant halogen-free polymer mixture within which the cores are contained with their respective jacket of a polyamide-containing polymer mixture.
- an additional outer sheath made of a polyamide-containing polymer mixture can rest on the heat-resistant, halogen-free polymer mixture which, on the two or more cores, comprises in each case one conductor, in each case an insulating layer and in each case a resting thereon coat of a polyamide-containing polymer mixture is applied.
- the inventive line two, three or more wires, each consisting of a conductor and a surrounding insulating layer of a temperature-resistant halogen-free polymer mixture, an intermediate layer surrounding the wires and consists of a temperature-resistant halogen-free polymer mixture and a on the Have outer layer resting outer shell of a polyamide-containing polymer mixture or consist thereof.
- Preferred embodiments of cables have, for example at least one core with insulation of the conductor of a mixture according to the invention (HFFR), an intermediate layer of polyamide (PA) and a shell of a polyolefin-based mixture according to the invention (HFFR sheath), at least one core with an insulation of the conductor of a mixture according to the invention (HFFR), an intermediate layer of polyamide (PA) and a sheath of polyamine (PA), at least one wire with an insulation of the conductor of a mixture according to the invention (HFFR), an intermediate layer of polyamide (PA) and a two-layer coat of a hiding layer of inventive mixture with an overlying outer layer of polyamide (HFFR / PA), or at least one core with an insulation of the conductor of a polyolefin-based mixture (HFFR) according to the invention with a two-layer shell of an intermediate layer of mixture according to the invention with an outer layer of polyamide (HFFR / PA) resting thereon or consisting thereof.
- HFFR core with insulation
- HFFR halogen-free mixture
- the mixture HFFR 1 consists of: phr Polyethylene, grafted with maleic anhydride 10 polyolefin 60 polypropylene 30 phenolic Anti-aging agents 1.0 metal deactivator 1.0 UV stabilizers 1.0 magnesium stearate 6.0 calcium carbonate 50 silicone oil 7.0 and the mixture HFFR 2 consists of phr Polyethylene-LL 60 polyolefin 33 Polyethylene grafted with maleic anhydride 7 aluminum hydroxide 160 lubricant 5 phenolic anti-aging agent 3 metal deactivator 2 ⁇ u> Table 1: Comparison of the mechanical properties of cables with insulating layer of PVC conductors (comparison) or HFFR (according to the invention) ⁇ / u> property unit aim HFFR 1 HFFR 2 PVC Tensile strength (min) MPa 13.8 16.9 19.8 18.8 Breaking elongation (min) % 150 700 236 250 Tensile strength after aging (136 ° C / 7d) (min) % 75 98 121
- halogen-free polymer mixture according to the invention gives the lines sufficiently high mechanical strength values and good fire resistance or temperature properties, and in particular less smoke developed and the combustion gases have a significantly lower corrosivity.
- FIG. 1 shows a single-core line comprising a core and a comprehensive coat of the sheath 3 of a polyamide-containing polymer mixture, wherein the core consists of the metallic conductor 1 and an insulating layer 2 of a temperature-resistant halogen-free polymer mixture.
- a multi-core embodiment of the line is in FIG. 2 shown in the three wires, each consisting of a conductor 1, an insulating layer 2 made of a temperature-resistant halogen-free polymer mixture and a cladding layer 3 resting thereon of a polyamide-containing polymer mixture, are covered by a common jacket 4 made of a temperature-resistant halogen-free polymer mixture.
- the temperature-resistant halogen-free polymer mixture which forms the common jacket 4 of a temperature-resistant halogen-free polymer mixture, has a composition identical to the temperature-resistant halogen-free polymer mixture which forms the insulating layer 2.
- FIG. 3 An embodiment of a three-wire line is in FIG. 3 shown in the three cores, each consisting of the conductor 1 and an insulating layer 2 made of a temperature-resistant halogen-free polymer mixture, are covered by a common sheath 3 of a polyamide-containing polymer mixture.
- the line of this embodiment consists of the wires and a comprehensive this coat 3 of a polyamide-containing polymer mixture.
- the jacket 3 is made of a polyamide-containing polymer mixture on three wires, each consisting of a conductor 1 and an insulating layer 2 made of a temperature-resistant halogen-free polymer mixture.
- FIG. 4 an embodiment of the inventive line with three wires, each consisting of a conductor 1 within an insulating layer 2 made of a temperature-resistant halogen-free polymer mixture and are covered by a common sheath 3 of a polyamide-containing polymer mixture, wherein between the sheath of the polyamide-containing polymer mixture and the wires Intermediate jacket 5 is arranged as an intermediate layer made of a temperature-resistant halogen-free polymer mixture which, on the one hand, adjoins the insulating layers 2 of the wires and adjoins the outer jacket on the other hand.
- the insulating layers 2 of the wires and the sheath 4 and the intermediate sheath 5 as an intermediate layer preferably from the same temperature-resistant halogen-free polymer mixture.
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Abstract
Description
Die vorliegende Erfindung betrifft eine temperaturbeständige elektrische Leitung, insbesondere zur Verwendung als Installationsleitung in Gebäuden, die aus einer ummantelten Ader bestehen kann, oder in einem Mantel zwei, drei oder mehr Adern aufweisen kann.The present invention relates to a temperature-resistant electrical lead, in particular for use as installation line in buildings, which may consist of a sheathed wire, or may have in a sheath two, three or more wires.
Die erfindungsgemäße elektrische Leitung zeichnet sich dadurch aus, dass sie temperaturbeständig ist, insbesondere bis 90°C, halogenfrei ist und die Forderungen der Norm UL83 erfüllt, insbesondere eine maximal zulässige Einsatztemperatur von 90°C, eine hohe Beständigkeit gegen Flammentwicklung und gegen Brand aufweist.The electrical line according to the invention is characterized in that it is temperature-resistant, in particular to 90 ° C, halogen-free and meets the requirements of standard UL83, in particular a maximum allowable use temperature of 90 ° C, a high resistance to flame development and fire has.
Gattungsgemäße einadrige Leitungen bestehen aus einem massiven oder verlitzten Leiter, insbesondere Aluminium oder Kupfer, auf dem eine temperaturbeständige Isolierschicht aus PVC aufliegt, die von einem Mantel aus einer polyamidhaltigen Polymermischung, insbesondere Nylon umfasst ist.Generic single-core lines consist of a solid or stranded conductor, in particular aluminum or copper, on which a temperature-resistant insulating layer of PVC rests, which is covered by a sheath of a polyamide-containing polymer mixture, in particular nylon.
Die Aufgabe der Erfindung liegt in der Bereitstellung einer elektrischen Leitung, die eine ähnliche oder höhere Beständigkeit gegen Brand hat als Leitungen, deren Adern eine Isolierschicht aus PVC innerhalb eines Nylonmantels aufweisen, eine Temperaturbeständigkeit bis maximal zumindest 90°C aufweist und halogenfrei ist.The object of the invention is to provide an electrical line which has a similar or higher resistance to fire than lines whose wires have an insulating layer of PVC within a nylon sheath, a temperature resistance up to at least 90 ° C and is halogen-free.
Weiter bevorzugt sollen die Schichten, die den Leiter umfassen, zu maximal den selben Kosten herstellbar sein, wie eine herkömmliche temperatur- und brandbeständige halogenhaltige elektrische Leitung, deren Adern aus einem Leiter mit einer Isolierschicht aus PVC innerhalb eines Mantels aus Nylon bestehen.More preferably, the layers comprising the conductor should be able to be produced at a maximum of the same cost as a conventional temperature- and fire-resistant halogen-containing electrical conductor, whose wires consist of a conductor with an insulating layer of PVC within a nylon sheath.
Die Erfindung löst die Aufgabe mit den Merkmalen der Ansprüche, insbesondere mit einer elektrischen Leitung mit einer Temperaturbeständigkeit bis maximal zumindest 90°C und insbesondere Brandeigenschaften, die die Norm UL83 (entspricht CSA-Norm C22.2 NO. 75-08) erfüllen und dadurch halogenfrei ist, dass sie zumindest eine elektrische Ader aufweist, die aus einem Leiter, insbesondere massivem oder verlitztem Aluminium oder Kupfer und einer den Leiter umfassenden flammwidrigen, temperaturbeständigen halogenfreien Isolierschicht besteht, wobei die Ader von einem Mantel aus einer polyamidhaltigen Polymermischung, insbesondere aus Polyamid, umfasst ist. Der Mantel liegt auf der Isolierschicht der Ader auf oder die Leitung weist eine Zwischenschicht auf, die einen Zwischenmantel bildet und an die Isolierschicht zumindest zweier Adern und den Mantel angrenzt, der die Zwischenschicht umfasst, der auch als Zwischenmantel bezeichnet wird.The invention solves the problem with the features of the claims, in particular with a Electric cable with a maximum temperature resistance of at least 90 ° C and in particular fire properties that meet the standard UL83 (equivalent to CSA standard C22.2 NO. 75-08) and is therefore halogen-free, that it has at least one electrical conductor consisting of a Conductor, in particular solid or stranded aluminum or copper and the conductor comprehensive flame-retardant, temperature-resistant halogen-free insulating layer, wherein the core of a jacket of a polyamide-containing polymer mixture, in particular of polyamide, is included. The cladding rests on the insulating layer of the wire or the wire has an intermediate layer which forms an intermediate cladding and adjoins the insulating layer of at least two wires and the cladding comprising the intermediate layer, which is also referred to as intermediate cladding.
Die Isolierschicht einer Ader besteht aus einer halogenfreien Polymermischung, die
- Polyolefine, Homo- und/oder Copolymer, insbesondere aus Propyleneinheiten und/oder Ethyleneinheiten,
- Haftvermittler, vorzugsweise mit Maleinsäure gepfropftes Polyolefin, insbesondere mit Maleinsäure gepfropftes Polyethylen,
- Füllstoff, beispielsweise Kreide (Calciumcarbonat),
- optional Silikon, insbesondere Polydimethylsiloxanöl und/oder Polydimethylsiloxangummi,
- optional ein Flammschutzmittel, vorzugsweise anorganisches Metallhydroxid wie Aluminiumhydroxid oder Magnesiumhydroxid, ein Erdalkalisalz und/oder ein Salz der Zinkgruppe, z.B. ausgewählt aus Magnesium-, Calcium-, Strontium-, Barium- und Zinksalz, wobei das Salz insbesondere jeweils das Oxid oder Stearat ist, vorzugsweise ausgewählt aus Magnesiumoxid, Calciumoxid und Zinkoxid,
- Stabilisatoren, z.B. phenolische Alterungsschutzmittel, und
- Verarbeitungshilfsmittel, z.B. Wachs und/oder Paraffin,
- Polyolefins, homo- and / or copolymer, in particular from propylene units and / or ethylene units,
- Adhesion promoter, preferably maleic acid-grafted polyolefin, especially polyethylene grafted with maleic acid,
- Filler, for example chalk (calcium carbonate),
- optionally silicone, in particular polydimethylsiloxane oil and / or polydimethylsiloxane gum,
- optionally a flame retardant, preferably inorganic metal hydroxide such as aluminum hydroxide or magnesium hydroxide, an alkaline earth salt and / or a salt of the zinc group, for example selected from magnesium, calcium, strontium, barium and zinc salt, wherein the salt is in particular in each case the oxide or stearate, preferably selected from magnesium oxide, calcium oxide and zinc oxide,
- Stabilizers, for example phenolic antioxidants, and
- Processing aids, eg wax and / or paraffin,
Bevorzugt weist die Polymermischung, aus der die Isolierschicht der Ader besteht, auf oder besteht aus
- 95 bis 80 phr Polyolefin, insbesondere 70 bis 10 phr Homopolyolefin, z.B. Polypropylen und/oder Polyethylen (LL, LD oder HD), und 10 bis 60 phr Polyolefincopolymer, insbesondere aus Propylen- und Ethyleneinheiten oder Etylenvinylacetat oder Etylenbutylacrylat,
- 5 bis 20 phr polymeren Haftvermittler, insbesondere ein Polyolefin, das funktionelle Gruppen aufweist, z.B. Amin-, Amid- oder Säuregruppen, wobei das Polyolefin vorzugsweise Polyethylen und/oder Polypropylen ist, z.B. mit Maleinsäure gepfropftes Polyethylen,
- Füllstoff als Flammschutzmittel, besondere zu 40 bis 200 phr, z.B. Calciumcarbonat und/oder Aluminiumhydroxid,
optional ein anorganisches Salz, insbesondere ein Oxid eines zweiwertigen Metallions, z.B. aus der Gruppe, die Calcium, Magnesium, Strontium, Barium und Zink enthält oder daraus besteht, beispielsweise zu 1 bis 15 phr,
vorzugsweise zu insgesamt 0,1 bis 20 phr Stabilisatoren und Verarbeitungshilfsmittel.The polymer mixture from which the insulating layer of the wire is made preferably comprises or consists of
- 95 to 80 phr polyolefin, in particular 70 to 10 phr homopolyolefin, for example polypropylene and / or polyethylene (LL, LD or HD), and 10 to 60 phr polyolefin copolymer, in particular of propylene and ethylene units or ethylene vinyl acetate or Etylenbutylacrylat,
- From 5 to 20 phr of polymeric adhesion promoter, in particular a polyolefin having functional groups, for example amine, amide or acid groups, the polyolefin preferably being polyethylene and / or polypropylene, eg polyethylene grafted with maleic acid,
- Filler as flame retardant, especially 40 to 200 phr, eg calcium carbonate and / or aluminum hydroxide,
optionally an inorganic salt, in particular an oxide of a divalent metal ion, for example from the group which contains or consists of calcium, magnesium, strontium, barium and zinc, for example from 1 to 15 phr,
preferably to a total of 0.1 to 20 phr stabilizers and processing aids.
Der Mantel besteht vorzugsweise aus einer zweiten Polymermischung, deren Polymerbestandteil Polyamid aufweist oder daraus besteht, vorzugsweise mit einer Zusammensetzung, die
- Polyamid 6 (PA6), Polyamid 4 (PA4) und/oder Polyamid 12 (PA12),
- optional Flammschutzmittel, z.B. Melamincyanurat zu 0-30 phr,
- optional Stabilisatoren , wie z.B phenolische Antioxidatien zu 0-5phr,
- Polyamide 6 (PA6), polyamide 4 (PA4) and / or polyamide 12 (PA12),
- optional flame retardant, eg melamine cyanurate at 0-30 phr,
- optional stabilizers, such as phenolic antioxidants at 0-5phr,
Diese polyamidhaltige Polymermischung kann aus Polyamid, insbesondere PA6, PA4 und/oder PA12 bestehen, dem optional Flammschutzmittel, Verarbeitungshilfsmittel und/oder Stabilisatoren zugesetzt sind.This polyamide-containing polymer mixture can consist of polyamide, in particular PA6, PA4 and / or PA12, to which optionally flame retardants, processing aids and / or stabilizers are added.
Die erfindungsgemäße elektrische Leitung weist vorzugsweise die mechanischen Eigenschaften und Brandeigenschaften auf, die im Standard UL83 für THHN-Leitungen mit einem Mantel aus Polyamid (insbesondere Nylon) definiert sind.The electrical lead of the present invention preferably has the mechanical and fire properties defined in standard UL83 for THHN leads with a polyamide (in particular nylon) sheath.
Alternativ oder zusätzlich soll die Isolierschicht der Ader bei Lagerung in Luft von 97 ± 1°C für zumindest 12 Wochen, maximal 36 Wochen zumindest während der letzten sechs Wochen der Lagerung bei erhöhter Temperatur 3 GΩm oder mehr betragen, insbesondere für die Verwendung als Installationsleitung in Umgebungen bis maximal zumindest 90°C. Bevorzugt liegt während der Lagerung bei 97 ±1°C und/oder während der Messung des Widerstands der Isolierschicht eine Spannung von 600 Volt rms an.Alternatively or additionally, the insulation layer of the wire should be 3 GΩm or more when stored in air at 97 ± 1 ° C for at least 12 weeks, at most 36 weeks, at least during the last six weeks of storage at elevated temperature, especially for use as installation pipe in Environments up to a maximum of 90 ° C. Preferably, during storage at 97 ± 1 ° C and / or during the measurement of the resistance of the insulating layer to a voltage of 600 volts rms.
Vorzugsweise weist die erfindungsgemäße elektrische Leitung bei Raumtemperatur nach Alterung bei 136°C im Umluftofen für 7 Tage keine Beschädigung, insbesondere keine Risse nach auf Aufwickeln auf eine Spule entsprechend der Norm UL83 auf. Weiterhin beträgt nach dieser Alterung die Zugfestigkeit mindestens 75% des Ausgangswerts, und/oder die Reißdehnung beträgt mindestens 65% des AusgangswertsPreferably, the electrical line according to the invention at room temperature after aging at 136 ° C in a convection oven for 7 days no damage, in particular no cracks after winding on a coil according to the standard UL83. Furthermore, after this aging, the tensile strength is at least 75% of the initial value, and / or the elongation at break is at least 65% of the initial value
Bevorzugt weist die erfindungsgemäße Leitung im Verformungstest nach UL83 bei 136±1°C eine maximale Abnahme der Dicke um 30% unter Last auf.Preferably, the lead of the present invention exhibits a maximum decrease in thickness of 30% under load in the UL83 deformation test at 136 ± 1 ° C.
Insbesondere weist die erfindungsgemäße Leitung eine Flamm- und Brandbeständigkeit gemäß UL83 auf, insbesondere so, dass die Flammen nach 5-facher Anwendung einer Testflamme für jeweils 15 s mit Unterbrechungen von jeweils 15s innerhalb von 60s wieder erlöschen, bzw. dass nach der Anwendung der Testflamme nach 60s keine Flammen vorhanden sind, und insbesondere jeweils ohne Abtropfen von Material, das ein unterhalb der Leitung angeordnetes Baumwolltuch entflammt.In particular, the line according to the invention has a flame and fire resistance according to UL83, in particular so that the flames extinguish after 5-fold application of a test flame for 15 s with interruptions of 15s within 60s again, or that after the application of the test flame no flames are present after 60 seconds, and in particular each without dripping of material which ignites a cotton cloth placed below the conduit.
Die erfindungsgemäße Leitung kann einadrig sein und aus einem Leiter, der den Leiter umfassenden Isolierschicht und einem Mantel aus einer polyamidhaltigen Polymermischung bestehen, der auf der Isolierschicht aufliegt.The line according to the invention may be single core and consist of a conductor comprising the insulating layer comprising the conductor and a sheath of a polyamide-containing polymer mixture which rests on the insulating layer.
Alternativ kann die elektrische Leitung aus zwei oder mehr Adern, die jeweils aus einem Leiter mit einer den Leiter umfassenden Isolierschicht bestehen, innerhalb eines die Adern umfassenden Mantels aus einer polyamidhaltigen Polymermischung bestehen.Alternatively, the electrical line may consist of two or more wires, each consisting of a conductor with an insulating layer comprising the conductor, within a jacket comprising the wires of a polyamide-containing polymer mixture.
In einer Ausführungsform kann die elektrische Leitung aus zwei, drei oder mehr Adern bestehen, deren Isolierschicht jeweils von einer separaten unmittelbar aufliegenden polyamidhaltigen Polymermischung umfasst sind, die in einem gemeinsamen Mantel aus einer erfindungsgemäßen temperaturfesten halogenfreien Polymermischung enthalten sind. In dieser Ausführungsform ist bevorzugt, dass die Isolierschicht jeder Ader dieselbe Zusammensetzung wie die temperaturfeste halogenfreie Polymermischung aufweist, innerhalb derer die Adern mit ihrem jeweiligen Mantel aus einer polyamidhaltigen Polymermischung enthalten sind. Optional kann ein zusätzlicher Außenmantel aus einer polyamidhaltigen Polymermischung auf der temperaturfesten halogenfreien Polymermischung aufliegen, die an den zwei oder mehr Adern aus jeweils einem Leiter, jeweils einer Isolierschicht und jeweils einem darauf aufliegenden Mantel aus einer polyamidhaltigen Polymermischung anliegt.In one embodiment, the electrical line may consist of two, three or more wires whose insulating layer is in each case comprised of a separate directly lying polyamide-containing polymer mixture, which are contained in a common jacket of a temperature-resistant halogen-free polymer mixture according to the invention. In this embodiment, it is preferred that the insulating layer of each core has the same composition as the temperature-resistant halogen-free polymer mixture within which the cores are contained with their respective jacket of a polyamide-containing polymer mixture. Optionally, an additional outer sheath made of a polyamide-containing polymer mixture can rest on the heat-resistant, halogen-free polymer mixture which, on the two or more cores, comprises in each case one conductor, in each case an insulating layer and in each case a resting thereon coat of a polyamide-containing polymer mixture is applied.
In einer weiteren Ausführungsform kann die erfindungsgemäße Leitung zwei, drei oder mehr Adern, die jeweils aus einem Leiter und einer diesen umgebenden Isolierschicht aus einer temperaturfesten halogenfreien Polymermischung bestehen, einer Zwischenschicht, die die Adern umgibt und aus einer temperaturfesten halogenfreien Polymermischung besteht und einem auf der Zwischenschicht aufliegenden Außenmantel aus einer polyamidhaltigen Polymermischung aufweisen oder daraus bestehen.In another embodiment, the inventive line, two, three or more wires, each consisting of a conductor and a surrounding insulating layer of a temperature-resistant halogen-free polymer mixture, an intermediate layer surrounding the wires and consists of a temperature-resistant halogen-free polymer mixture and a on the Have outer layer resting outer shell of a polyamide-containing polymer mixture or consist thereof.
Bevorzugte Ausführungsformen von Kabeln weisen z.B.
zumindest eine Ader mit einer Isolierung des Leiters aus einer erfindungsgemäßen Mischung (HFFR), einer Zwischenschicht aus Polyamid (PA) und einen Mantel aus einer erfindungsgemäßen Mischung aufPolyolefinbasis (HFFR Mantel) auf,
zumindest eine Ader mit einer Isolierung des Leiters aus einer erfindungsgemäßen Mischung (HFFR), einer Zwischenschicht aus Polyamid (PA) und einen Mantel aus Polyamind (PA) auf,
zumindest eine Ader mit einer Isolierung des Leiters aus einer erfindungsgemäßen Mischung (HFFR), einer Zwischenschicht aus Polyamid (PA) und einen zweischichtigen Mantel aus einer Zischenschicht aus erfindungsgemäßer Mischung mit einer darauf aufliegenden Außenschicht aus Polyamid (HFFR/PA), oder
zumindest eine Ader mit einer Isolierung des Leiters aus einer erfindungsgemäßen Mischung aufPolyolefinbasis (HFFR) mit einem zweischichtigen Mantel aus einer Zwischenschicht aus erfindungsgemäßer Mischung mit einer darauf aufliegenden Außenschicht aus Polyamid (HFFR/PA) auf oder bestehen daraus.Preferred embodiments of cables have, for example
at least one core with insulation of the conductor of a mixture according to the invention (HFFR), an intermediate layer of polyamide (PA) and a shell of a polyolefin-based mixture according to the invention (HFFR sheath),
at least one core with an insulation of the conductor of a mixture according to the invention (HFFR), an intermediate layer of polyamide (PA) and a sheath of polyamine (PA),
at least one wire with an insulation of the conductor of a mixture according to the invention (HFFR), an intermediate layer of polyamide (PA) and a two-layer coat of a hiding layer of inventive mixture with an overlying outer layer of polyamide (HFFR / PA), or
at least one core with an insulation of the conductor of a polyolefin-based mixture (HFFR) according to the invention with a two-layer shell of an intermediate layer of mixture according to the invention with an outer layer of polyamide (HFFR / PA) resting thereon or consisting thereof.
Die vorteilhaften Eigenschaften der erfindungsgemäßen halogenfreien Mischung (HFFR) sind für elektrische Leitungen aus 1 Ader, deren Isolierung aus HFFR (HFFR 1 und HFFR 2) oder zum Vergleich aus PVC besteht, mit einem Mantel aus Polyamid in den nachfolgenden Tabellen gezeigt.The advantageous properties of the halogen-free mixture (HFFR) according to the invention are shown in the tables below for 1-wire electrical conductors whose insulation is made of HFFR (HFFR 1 and HFFR 2) or PVC for comparison.
Die Mischung HFFR 1 besteht aus:
Diese Daten zeigen, dass die erfindungsgemäße halogenfreie Polymermischung den Leitungen ausreichend hohe mechanische Festigkeitswerte und gute Brandwidrigkeiten bzw. Temperatureigenschaften vermittelt und insbesondere weniger Rauch entwickelt und die Brandgase eine deutlich geringere Korrosivität aufweisen.These data show that the halogen-free polymer mixture according to the invention gives the lines sufficiently high mechanical strength values and good fire resistance or temperature properties, and in particular less smoke developed and the combustion gases have a significantly lower corrosivity.
Die Erfindung wird nun genauer mit Bezug auf die Figuren beschrieben, die schematisch
- in
Figur 1 eine einadrige Leitung, - in
eine dreiadrige Leitung,Figur 2 - in
eine weitere Ausführungsform einer dreiadrigen Leitung undFigur 3 - in
eine weitere Ausführungsform einer dreiadrigen Leitung zeigen.Figur 4
- in
FIG. 1 a single-core line, - in
FIG. 2 a three-wire line, - in
FIG. 3 another embodiment of a three-wire line and - in
FIG. 4 show a further embodiment of a three-wire line.
In den Figuren bezeichnen gleiche Bezugsziffern funktionell gleiche Elemente.In the figures, like reference numerals denote functionally identical elements.
Eine mehradrige Ausführungsform der Leitung ist in
Eine Ausführungsform einer dreiadrigen Leitung ist in
In Fortbildung der in
Bei den in
- 1 Leiter1 conductor
- 2 Isolierschicht2 insulating layer
- 3 Mantel aus polyamidhaltiger Polymermischung,3 sheath of polyamide-containing polymer mixture,
- 4 Außenmantel aus temperaturfester halogenfreier Polymermischung4 outer jacket made of temperature-resistant halogen-free polymer mixture
- 5 Zwischenmantel aus temperaturfester halogenfreier Polymermischung5 Intermediate jacket made of temperature-resistant halogen-free polymer mixture
Claims (12)
0 bis 15 phr Silikon,
0 bis 15 phr eines Oxids eines zweiwertigen Metallions aus der Gruppe, die Calcium, Magnesium, Strontium, Barium und Zink umfasst, und
0,1 bis 20 phr Stabilisatoren und Verarbeitungshilfsmittel enthält.
0 to 15 phr of silicone,
0 to 15 phr of an oxide of a divalent metal ion from the group comprising calcium, magnesium, strontium, barium and zinc, and
0.1 to 20 phr stabilizers and processing aids.
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP11306665.8A EP2605251A1 (en) | 2011-12-15 | 2011-12-15 | Temperature-resistant halogen-free cable |
EP20120195698 EP2610880A1 (en) | 2011-12-15 | 2012-12-05 | Temperature-resistant halogen-free cable |
CL2012003517A CL2012003517A1 (en) | 2011-12-15 | 2012-12-12 | Electric cable with temperature stability, with at least one electric wire, composed of a metallic conductor, and a heat-resistant and flame-resistant insulating layer where the wire is surrounded by halogen-free polymeric mixture whose component is polyolefin; And its use. |
US13/713,184 US20130306350A1 (en) | 2011-12-15 | 2012-12-13 | Temperature resistant halogen free cable |
CA2800035A CA2800035C (en) | 2011-12-15 | 2012-12-14 | Temperature resistant halogen free cable |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP11306665.8A EP2605251A1 (en) | 2011-12-15 | 2011-12-15 | Temperature-resistant halogen-free cable |
Publications (1)
Publication Number | Publication Date |
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EP2605251A1 true EP2605251A1 (en) | 2013-06-19 |
Family
ID=47263187
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP11306665.8A Withdrawn EP2605251A1 (en) | 2011-12-15 | 2011-12-15 | Temperature-resistant halogen-free cable |
EP20120195698 Withdrawn EP2610880A1 (en) | 2011-12-15 | 2012-12-05 | Temperature-resistant halogen-free cable |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20120195698 Withdrawn EP2610880A1 (en) | 2011-12-15 | 2012-12-05 | Temperature-resistant halogen-free cable |
Country Status (4)
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US (1) | US20130306350A1 (en) |
EP (2) | EP2605251A1 (en) |
CA (1) | CA2800035C (en) |
CL (1) | CL2012003517A1 (en) |
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Also Published As
Publication number | Publication date |
---|---|
CA2800035C (en) | 2020-03-10 |
CL2012003517A1 (en) | 2013-04-12 |
CA2800035A1 (en) | 2013-06-15 |
EP2610880A1 (en) | 2013-07-03 |
US20130306350A1 (en) | 2013-11-21 |
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