EP2610880A1 - Temperature-resistant halogen-free cable - Google Patents
Temperature-resistant halogen-free cable Download PDFInfo
- Publication number
- EP2610880A1 EP2610880A1 EP20120195698 EP12195698A EP2610880A1 EP 2610880 A1 EP2610880 A1 EP 2610880A1 EP 20120195698 EP20120195698 EP 20120195698 EP 12195698 A EP12195698 A EP 12195698A EP 2610880 A1 EP2610880 A1 EP 2610880A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- phr
- polymer mixture
- insulating layer
- temperature
- flame
- 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.)
- Withdrawn
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- 229920002959 polymer blend Polymers 0.000 claims abstract description 58
- 229920002647 polyamide Polymers 0.000 claims abstract description 49
- 239000004952 Polyamide Substances 0.000 claims abstract description 46
- 239000004020 conductor Substances 0.000 claims abstract description 36
- 229920000098 polyolefin Polymers 0.000 claims abstract description 27
- 239000003063 flame retardant Substances 0.000 claims abstract description 20
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims abstract description 19
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims abstract description 16
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 claims abstract description 9
- 239000003381 stabilizer Substances 0.000 claims abstract description 8
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims abstract description 7
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000006057 Non-nutritive feed additive Substances 0.000 claims abstract description 7
- 239000002318 adhesion promoter Substances 0.000 claims abstract description 7
- 229910000019 calcium carbonate Inorganic materials 0.000 claims abstract description 7
- 229920000642 polymer Polymers 0.000 claims abstract description 7
- CIOAGBVUUVVLOB-UHFFFAOYSA-N strontium atom Chemical compound [Sr] CIOAGBVUUVVLOB-UHFFFAOYSA-N 0.000 claims abstract description 7
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims abstract description 6
- 229910052788 barium Inorganic materials 0.000 claims abstract description 6
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 claims abstract description 6
- 229910052791 calcium Inorganic materials 0.000 claims abstract description 6
- 239000011575 calcium Substances 0.000 claims abstract description 6
- 239000000945 filler Substances 0.000 claims abstract description 6
- 229910052749 magnesium Inorganic materials 0.000 claims abstract description 6
- 239000011777 magnesium Substances 0.000 claims abstract description 6
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 claims abstract description 6
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims abstract description 6
- 229910052712 strontium Inorganic materials 0.000 claims abstract description 6
- 239000000347 magnesium hydroxide Substances 0.000 claims abstract description 5
- 229910001862 magnesium hydroxide Inorganic materials 0.000 claims abstract description 5
- 229910021645 metal ion Inorganic materials 0.000 claims abstract description 5
- 238000009434 installation Methods 0.000 claims abstract description 4
- 229910052725 zinc Inorganic materials 0.000 claims abstract description 4
- 239000011701 zinc Substances 0.000 claims abstract description 4
- -1 polypropylene Polymers 0.000 claims description 25
- 229920000573 polyethylene Polymers 0.000 claims description 13
- 239000004698 Polyethylene Substances 0.000 claims description 9
- 229920001155 polypropylene Polymers 0.000 claims description 6
- 239000004743 Polypropylene Substances 0.000 claims description 4
- 229920001296 polysiloxane Polymers 0.000 claims description 4
- 230000000284 resting effect Effects 0.000 claims description 4
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical group C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims description 3
- 239000005977 Ethylene Substances 0.000 claims description 3
- OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 claims description 3
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 claims description 3
- 239000011976 maleic acid Substances 0.000 claims description 3
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 claims description 3
- DQXBYHZEEUGOBF-UHFFFAOYSA-N but-3-enoic acid;ethene Chemical compound C=C.OC(=O)CC=C DQXBYHZEEUGOBF-UHFFFAOYSA-N 0.000 claims description 2
- QYMGIIIPAFAFRX-UHFFFAOYSA-N butyl prop-2-enoate;ethene Chemical compound C=C.CCCCOC(=O)C=C QYMGIIIPAFAFRX-UHFFFAOYSA-N 0.000 claims description 2
- 239000005038 ethylene vinyl acetate Substances 0.000 claims description 2
- 229920006245 ethylene-butyl acrylate Polymers 0.000 claims description 2
- 239000000463 material Substances 0.000 claims description 2
- ZQKXQUJXLSSJCH-UHFFFAOYSA-N melamine cyanurate Chemical group NC1=NC(N)=NC(N)=N1.O=C1NC(=O)NC(=O)N1 ZQKXQUJXLSSJCH-UHFFFAOYSA-N 0.000 claims description 2
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 claims description 2
- 229920005606 polypropylene copolymer Polymers 0.000 claims 1
- 229910052751 metal Inorganic materials 0.000 abstract 2
- 239000002184 metal Substances 0.000 abstract 2
- 229910052710 silicon Inorganic materials 0.000 abstract 2
- 239000010703 silicon Substances 0.000 abstract 2
- 239000000203 mixture Substances 0.000 description 17
- 101150022492 UL83 gene Proteins 0.000 description 6
- 238000009413 insulation Methods 0.000 description 6
- 235000010216 calcium carbonate Nutrition 0.000 description 5
- 238000005253 cladding Methods 0.000 description 5
- 239000004677 Nylon Substances 0.000 description 4
- 230000032683 aging Effects 0.000 description 4
- 229920001778 nylon Polymers 0.000 description 4
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 3
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 3
- 229920001577 copolymer Polymers 0.000 description 3
- 239000004205 dimethyl polysiloxane Substances 0.000 description 3
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 description 3
- 150000003839 salts Chemical class 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 2
- 239000004696 Poly ether ether ketone Substances 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 230000003712 anti-aging effect Effects 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 239000000567 combustion gas Substances 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000005187 foaming Methods 0.000 description 2
- 239000004615 ingredient Substances 0.000 description 2
- HQKMJHAJHXVSDF-UHFFFAOYSA-L magnesium stearate Chemical compound [Mg+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O HQKMJHAJHXVSDF-UHFFFAOYSA-L 0.000 description 2
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 2
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 description 2
- 239000012188 paraffin wax Substances 0.000 description 2
- 239000002530 phenolic antioxidant Substances 0.000 description 2
- 229920001652 poly(etherketoneketone) Polymers 0.000 description 2
- 229920002530 polyetherether ketone Polymers 0.000 description 2
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- RURPJGZXBHYNEM-UHFFFAOYSA-N 2-[2-[(2-hydroxyphenyl)methylideneamino]propyliminomethyl]phenol Chemical compound C=1C=CC=C(O)C=1C=NC(C)CN=CC1=CC=CC=C1O RURPJGZXBHYNEM-UHFFFAOYSA-N 0.000 description 1
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 1
- 229920000299 Nylon 12 Polymers 0.000 description 1
- 229920001007 Nylon 4 Polymers 0.000 description 1
- 229920002292 Nylon 6 Polymers 0.000 description 1
- 239000004697 Polyetherimide Substances 0.000 description 1
- 239000004721 Polyphenylene oxide Substances 0.000 description 1
- 239000004734 Polyphenylene sulfide Substances 0.000 description 1
- 239000012963 UV stabilizer Substances 0.000 description 1
- 239000002253 acid Chemical group 0.000 description 1
- 150000001408 amides Chemical group 0.000 description 1
- 150000001412 amines Chemical group 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 230000003078 antioxidant effect Effects 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 1
- 239000000292 calcium oxide Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000009970 fire resistant effect Effects 0.000 description 1
- 125000000524 functional group Chemical group 0.000 description 1
- 229920001112 grafted polyolefin Polymers 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 229910017053 inorganic salt Inorganic materials 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 1
- 235000019359 magnesium stearate Nutrition 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000006078 metal deactivator Substances 0.000 description 1
- 229910000000 metal hydroxide Inorganic materials 0.000 description 1
- 150000004692 metal hydroxides Chemical class 0.000 description 1
- 229920000620 organic polymer Polymers 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229920000768 polyamine Polymers 0.000 description 1
- 229920001230 polyarylate Polymers 0.000 description 1
- 229920001707 polybutylene terephthalate Polymers 0.000 description 1
- 229920001601 polyetherimide Polymers 0.000 description 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 229920006380 polyphenylene oxide Polymers 0.000 description 1
- 229920000069 polyphenylene sulfide Polymers 0.000 description 1
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 1
- 229920002545 silicone oil Polymers 0.000 description 1
- 238000012549 training Methods 0.000 description 1
- 239000001993 wax Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
- 150000003751 zinc Chemical class 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
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
- H01B7/17—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
-
- 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
-
- 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
-
- 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 US 5,521,009 describes cores in which the conductor has an insulating layer of 20 to 80 phr or wt .-% ethylene-propylene copolymer or another polyolefin, the resistance to deformation or against foaming when heated by an addition of polyamide, polyphenylene sulfide, polybutylene terephthalate, Polyethylene terephthalate, polyether ketone and polyether ketone and polyetheretherketone can be increased as a crystalline aromatic polymer or mixture thereof.
- 0.1-5 phr of a hindered phenol antioxidant may be added, particularly to increase decomposition, foaming or deformation up to 200 ° C for a short time.
- An insulating layer of polyamide is not provided. The flame resistance of the mixture is not addressed.
- the US 5,358,786 describes an insulating layer for wires of 20-80 phr (wt.%) polyolefin.
- an additional outer layer in a second embodiment may be applied around the insulated wire, such a flame retardant layer being polyphenylene oxide, polyarylate, polyetheretherketone and Polyetherimide is specified. The flame resistance of the mixture is not addressed.
- the WO 97/41569 describes polyolefin insulated cores having a superposed layer which may be polyamide and an outer sheath of polyvinyldiene fluoride. It is stated that polyolefins burn easily and with flame retardant ingredients the electrical properties and physical properties of the polyolefin are degraded.
- 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 achieves the object with the features of the claims, in particular with an electrical line with a temperature resistance up to a maximum of at least 90 ° C. and in particular fire properties that meet the standard UL83 (corresponds to CSA standard C22.2 NO.75-08) and thereby halogen-free is that it comprises at least one electrical wire, which consists of a conductor, in particular solid or stranded aluminum or copper and a conductor comprising flame-retardant, temperature-resistant halogen-free insulating layer, wherein the core of a sheath 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.
- phr parts per hundred rubber
- phr% by weight corresponds to the organic crosslinkable polymer content.
- 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 when stored in air of 97 ⁇ 1 ° C for at least 12 weeks, a maximum of 36 weeks at least during the last six weeks of storage at elevated temperature 3 G ⁇ m or more, especially for use as installation in Environments up to a maximum of 90 ° C.
- the insulation layer of the wire when stored in air of 97 ⁇ 1 ° C for at least 12 weeks, a maximum of 36 weeks at least during the last six weeks of storage at elevated temperature 3 G ⁇ m or more, especially for use as installation in Environments up to a maximum of 90 ° C.
- the insulation layer of the wire when stored in air of 97 ⁇ 1 ° C for at least 12 weeks, a maximum of 36 weeks at least during the last six weeks of storage at elevated temperature 3 G ⁇ m or more, especially for use as installation in Environments up to a maximum of 90 ° C.
- the insulation layer of the wire when stored in air of 97 ⁇ 1 ° C for at least 12 weeks, a maximum of 36 weeks at least during the last six weeks of storage at
- 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 made 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 rest on the temperature-resistant halogen-free polymer mixture which bears against the two or more cores of one conductor each, an insulating layer and in each case a jacket of a polyamide-containing polymer mixture lying thereon.
- the line according to the invention 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, the Surrounding wires and consists of a temperature-resistant halogen-free polymer mixture and have a resting on the intermediate layer outer sheath of a polyamide-containing polymer mixture or consist thereof.
- Preferred embodiments of cables have, for example at least one strand with an 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 on it.
- HFFR HFFR
- HFFR halogen-free mixture
- the mixture HFFR 1 consists of: phr Polyethylene grafted with maleic anhydride 10 polyolefin 60 polypropylene 30 phenolic anti-aging agent 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 the 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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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Insulated Conductors (AREA)
- Organic Insulating Materials (AREA)
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
Die
Die
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 achieves the object with the features of the claims, in particular with an electrical line with a temperature resistance up to a maximum of at least 90 ° C. and in particular fire properties that meet the standard UL83 (corresponds to CSA standard C22.2 NO.75-08) and thereby halogen-free is that it comprises at least one electrical wire, which consists of a conductor, in particular solid or stranded aluminum or copper and a conductor comprising flame-retardant, temperature-resistant halogen-free insulating layer, wherein the core of a sheath 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,
aufweist oder daraus besteht.
- 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,
or consists of.
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 Ethylenvinylacetat oder Ethylenbutylacrylat, insbesondere zu insgesamt 100 phr,
- 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 ethylene butyl acrylate, in particular to a total of 100 phr .
- 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.
Die in den Mischungen angegeben Teile sind als phr (parts per hundred rubber) angegeben, d.h. die Gewichtsanteile der Bestandteile sind auf einhundert Gewichtsanteile organisches Polymer angegeben, ausgewählt aus Polyolefin und/oder Polyethylen. Daher entsprechen phr Gew.-% in Bezug auf den Gehalt an organischem vernetzbarem Polymer.The parts given in the mixtures are indicated as phr (parts per hundred rubber), i. the proportions by weight of the ingredients are given to one hundred parts by weight of organic polymer selected from polyolefin and / or polyethylene. Therefore, phr% by weight corresponds to the organic crosslinkable polymer content.
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 when stored in air of 97 ± 1 ° C for at least 12 weeks, a maximum of 36 weeks at least during the last six weeks of storage at
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 made 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 rest on the temperature-resistant halogen-free polymer mixture which bears against the two or more cores of one conductor each, an insulating layer and in each case a jacket of a polyamide-containing polymer mixture lying thereon.
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 a further embodiment, the line according to the invention 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, the Surrounding wires and consists of a temperature-resistant halogen-free polymer mixture and have a resting on the intermediate layer outer sheath 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 auf Polyolefinbasis (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 auf Polyolefinbasis (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 strand with an 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 on it.
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
- 11
- Leiterladder
- 22
- Isolierschichtinsulating
- 33
- Mantel aus polyamidhaltiger Polymermischung,Sheath of polyamide-containing polymer mixture,
- 44
- Außenmantel aus temperaturfester halogenfreier PolymermischungOuter jacket of temperature-resistant halogen-free polymer mixture
- 55
- Zwischenmantel aus temperaturfester halogenfreier PolymermischungIntermediate jacket made of temperature-resistant halogen-free polymer mixture
Claims (11)
Priority Applications (1)
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EP20120195698 EP2610880A1 (en) | 2011-12-15 | 2012-12-05 | Temperature-resistant halogen-free cable |
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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 |
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EP20120195698 Withdrawn EP2610880A1 (en) | 2011-12-15 | 2012-12-05 | Temperature-resistant halogen-free cable |
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Also Published As
Publication number | Publication date |
---|---|
CA2800035C (en) | 2020-03-10 |
CL2012003517A1 (en) | 2013-04-12 |
US20130306350A1 (en) | 2013-11-21 |
CA2800035A1 (en) | 2013-06-15 |
EP2605251A1 (en) | 2013-06-19 |
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