EP3404673B1 - Feuerbeständiges kable - Google Patents

Feuerbeständiges kable Download PDF

Info

Publication number
EP3404673B1
EP3404673B1 EP18171604.4A EP18171604A EP3404673B1 EP 3404673 B1 EP3404673 B1 EP 3404673B1 EP 18171604 A EP18171604 A EP 18171604A EP 3404673 B1 EP3404673 B1 EP 3404673B1
Authority
EP
European Patent Office
Prior art keywords
silicate
composition
polymer
oxide
weight
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.)
Active
Application number
EP18171604.4A
Other languages
English (en)
French (fr)
Other versions
EP3404673A1 (de
Inventor
Franck Gyppaz
Stéphanie HOAREAU
Vincent BLANC
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nexans SA
Original Assignee
Nexans SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nexans SA filed Critical Nexans SA
Publication of EP3404673A1 publication Critical patent/EP3404673A1/de
Application granted granted Critical
Publication of EP3404673B1 publication Critical patent/EP3404673B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • H01B7/17—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

Definitions

  • the present invention relates to a cable comprising at least one elongated conductive element surrounded by at least two polymeric fire-resistant layers.
  • safety cables are in particular energy transport cables or low frequency transmission cables, such as control or signaling cables.
  • EP-0 942 439 is known a fire resistant and halogen-free safety electric cable comprising a set of insulated electrical conductors, said set being surrounded by an external sheath.
  • Each insulated electrical conductor is formed by an electrical conductor surrounded by an insulating layer obtained from a composition comprising a polymeric material and at least one ceramic-forming filler, said insulating layer thus being able to convert at least superficially into the state of ceramic at high temperatures corresponding to fire conditions.
  • the polymeric material of this single insulating layer is chosen from a polysiloxane, an ethylene copolymer, and their mixture.
  • a cable comprising an elongated conductive element surrounded by a first polymeric layer obtained from a first composition comprising a first polymeric material and a first filler, and a second polymeric layer obtained from a second composition comprising a second material polymer and a second charge.
  • this safety cable of the prior art does not have optimal fire resistance properties, and remains relatively expensive when a polysiloxane is chosen as the insulating material.
  • the object of the present invention is to overcome the drawbacks of the techniques of the prior art by proposing in particular a cable having excellent fire resistance properties while limiting the risks of mechanical degradation of the electrical conductor or conductors which compose it, even at high temperature.
  • the cable has very good fire resistance, and in particular makes it possible to significantly reduce or even avoid the formation of flaming droplets during combustion of the cable.
  • the mechanical properties of the cable of the invention are also improved, which allows it to continue to operate even at high temperatures.
  • the invention as defined also has the advantage of being economical since it makes it possible to significantly limit or even avoid the use of polysiloxane in the insulating layer, while having very good resistance properties. fire.
  • the oxide of an alkaline earth metal advantageously makes it possible to improve the electrical resistivity properties at high temperature of the first polymeric layer under the conditions of a fire.
  • the oxide of an alkaline earth metal can be of high purity.
  • high purity means an oxide of an alkaline earth metal having a purity (by calcination) of at least 96.0%, preferably at least 98.0%, and in a particularly preferred manner at least 99.0%.
  • the oxide of a high purity alkaline earth metal advantageously limits the presence of electrically conductive compound (s), in particular in the form of impurity (s).
  • the impurities may contain, for example, heavy metals.
  • the oxide of an alkaline earth metal can comprise at most 30 ppm of heavy metals, and preferably less than 10 ppm of heavy metals.
  • the oxide of an alkaline earth metal has a melting temperature of at least 1500 ° C, preferably at least 2000 ° C, and particularly preferably at least 2500 ° C.
  • the first oxide of the first charge can be magnesium oxide (MgO).
  • the first charge can also comprise a second oxide different from the first oxide.
  • the second oxide can be silicon dioxide (SiO 2 ).
  • the first charge can comprise from 50 to 90% by weight of the first oxide relative to the total weight of the first charge.
  • the first charge can comprise from 10 to 30% by weight of the second oxide relative to the total weight of the first charge.
  • the first polymer material of the invention comprises one or more polymer (s), the term polymer can be understood by any type of polymer well known to those skilled in the art such as homopolymer or copolymer (eg block copolymer, random copolymer, terpolymer, ..etc).
  • polymer can be understood by any type of polymer well known to those skilled in the art such as homopolymer or copolymer (eg block copolymer, random copolymer, terpolymer, ..etc).
  • the polymer can be of the thermoplastic or elastomer type, and can be crosslinked by techniques well known to those skilled in the art.
  • the first polymer material can comprise one or more olefin polymers, and preferably one or more ethylene polymers.
  • An olefin polymer is conventionally a polymer obtained from at least one olefin monomer.
  • the first polymer material can comprise more than 30% by weight of olefin polymer (s), preferably more than 50% by weight of olefin polymer (s), preferably more than 70% by weight of olefin polymer (s), and more preferably more than 90% by weight of olefin polymer (s), relative to the total weight of the first polymer material in the first composition.
  • the first polymer material is composed only of one or more olefin polymer (s).
  • the first polymer material of the invention may comprise one or more olefin polymers, and preferably one or more ethylene polymer (s), chosen from a linear low density polyethylene (LLDPE); very low density polyethylene (VLDPE); low density polyethylene (LDPE); medium density polyethylene (MDPE); high density polyethylene (HDPE); an ethylene-propylene elastomeric copolymer (EPM); an ethylene propylene diene monomer terpolymer (EPDM); a copolymer of ethylene and vinyl ester such as a copolymer of ethylene and vinyl acetate (EVA); a copolymer of ethylene and acrylate such as a copolymer of ethylene and butyl acrylate (EBA) or a copolymer of ethylene and methyl acrylate (EMA); a copolymer of ethylene and alpha-olefin such as a copolymer of ethylene and octene (PEO) or a
  • the first polymer material of the invention can also comprise a grafted polymer, in particular grafted with polar functions.
  • This grafted polymer advantageously makes it possible to improve the mechanical properties of the first polymer layer.
  • the grafted polymer can be a maleic anhydride grafted olefin polymer, and in particular a maleic anhydride grafted ethylene polymer.
  • the first polymeric material may comprise from 1 to 20% by weight of said grafted polymer, and preferably from 1 to 15% by weight of said grafted polymer, relative to the total weight of the first polymeric material in the first composition.
  • the first polymeric material can have a melt flow index (known as "Melt Flow Index”), in grams / 10 minutes according to ISO 1133 at 190 ° C / 2.16 kg, ranging from 1.0 at 5.
  • Melt Flow Index a melt flow index
  • the melt flow indices of these two polymers are different.
  • the first composition of the invention may comprise at least 30% by weight of said first polymer material, and preferably at least 40% by weight of said first polymer material, relative to the total weight of the first composition.
  • the first composition can comprise from 20 to 60% by weight of the first oxide relative to the total weight of the first composition.
  • the first composition can comprise from 30 to 50% by weight of the first oxide relative to the total weight of the first composition.
  • the first composition can comprise from 5 to 30% by weight of the second oxide relative to the total weight of the first composition.
  • the first composition can comprise from 5 to 20% by weight of the second oxide relative to the total weight of the first composition.
  • the first composition may comprise at least 30% by weight of said first charge, and preferably at least 40% by weight of said first charge, relative to the total weight of the first composition.
  • the first composition may comprise at least 30% by weight of said first polymer material, and preferably at least 40% by weight of said first polymer material, relative to the total weight of the first composition.
  • the first composition can have a Mooney viscosity of at least 40, and preferably at least 50.
  • the first composition can have a Mooney viscosity of at most 100, and preferably at most 90.
  • the Mooney viscosity (ML1 + 4, 160 ° C) is expressed in Mooney units (Me) and can be easily determined by standard NFT 43005.
  • the first composition may typically further comprise additives in an amount of 0.1 to 20 parts by weight per 100 parts by weight of the first polymeric material in the first composition.
  • Additives are well known to those skilled in the art and can for example be chosen from protective agents (eg anti-UV, anti-copper), implementing agents (eg plasticizers, lubricants), pigments, and antioxidants.
  • the first polymeric layer can surround one or more elongated conductive element (s).
  • the first polymeric layer can be an electrically insulating layer.
  • the term "electrically insulating layer” means a layer whose electrical conductivity can be at most 1.10 -9 S / m (siemens per meter) (at 25 ° C), preferably at most 1.10 -8 S / m, and preferably at most 1.10 -13 S / m (at 25 ° C).
  • the thickness of the first polymer layer can range from 0.05 mm to 2.0 mm, and preferably from 0.1 mm to 1.0 mm.
  • the first polymeric layer can be crosslinked or uncrosslinked.
  • non-crosslinked is intended to mean a layer whose gel rate according to standard ASTM D2765-01 (xylene extraction) is at most 20%, preferably at most 10%, preferably not more than 5%, and particularly preferably 0%.
  • crosslinked is intended to mean a layer whose gel rate according to standard ASTM D2765-01 (extraction with xylene) is at least 50%, preferably at least 80%, and so particularly preferred by at least 90%.
  • the first silicate can be chosen from phyllosilicates, compounds comprising magnesium silicate, compounds comprising aluminum silicate, and one of their mixture.
  • the first silicate can be a phyllosilicate. More particularly, the phyllosilicate can be mica.
  • the second filler can comprise from 20 to 40% by weight of first silicate relative to the total weight of the second filler.
  • the second silicate can be a compound with a high specific surface, in particular at least 10 m 2 / g, and preferably at least 20 m 2 / g.
  • the specific surface is conventionally determined by the BET method according to DIN ISO 9277.
  • the second silicate can in particular be of the lamellar type.
  • the second silicate can be chosen from phyllosilicates, compounds comprising magnesium silicate, compounds comprising aluminum silicate, and one of their mixture.
  • the second silicate can be a compound comprising magnesium silicate.
  • the compound comprising magnesium silicate can be talc.
  • the second filler can comprise from 20 to 40% by weight of second silicate relative to the total weight of the second filler.
  • the oxide of an alkaline earth metal advantageously makes it possible to improve the mechanical cohesion properties of the second polymeric layer after combustion under the effect of a flame.
  • the oxide of an alkaline earth metal of the second polymeric layer can be of high purity, in order to improve the electrical resistivity of the cable of the invention.
  • high purity means an oxide of an alkaline earth metal having a purity (by calcination) of at least 96.0%, preferably at least 98.0%, and in a particularly preferred manner at least 99.0%.
  • the oxide of a high purity alkaline earth metal advantageously limits the presence of electrically conductive compound (s), in particular in the form of impurity (s).
  • the impurities may contain, for example, heavy metals.
  • the oxide of an alkaline earth metal can comprise at most 30 ppm of heavy metals, and preferably less than 10 ppm of heavy metals.
  • the oxide of an alkaline earth metal has a melting temperature of at least 1500 ° C, preferably at least 2000 ° C, and particularly preferably at least 2500 ° C.
  • the oxide of an alkaline earth metal can be magnesium oxide (MgO).
  • the third silicate can be chosen from phyllosilicates, compounds comprising magnesium silicate, compounds comprising aluminum silicate, and one of their mixture.
  • the third silicate can be a compound comprising aluminum silicate, in particular of the lamellar type.
  • the third silicate can be chosen from montmorillonite, bentonite, kaolinite, hectorite, halloysite, and one of their mixtures.
  • the compound comprising aluminum silicate can be montmorillonite.
  • a third silicate As a preferred example of a third silicate, mention may be made of a nanoclay, functionalized or not. More particularly, it can be treated at the surface with cations of the quaternary ammonium type.
  • the second filler can comprise from 5 to 30% by weight of third silicate relative to the total weight of the second filler in the second composition.
  • the second polymer material comprises one or more polymer (s), the term polymer can be understood by any type of polymer well known to those skilled in the art such as homopolymer or copolymer (eg block copolymer, random copolymer, terpolymer, etc. etc).
  • polymer can be understood by any type of polymer well known to those skilled in the art such as homopolymer or copolymer (eg block copolymer, random copolymer, terpolymer, etc. etc).
  • the polymer can be of the thermoplastic or elastomer type, and can be crosslinked by techniques well known to those skilled in the art.
  • the second polymer material can comprise one or more olefin polymers, and preferably, one or more ethylene polymer (s) .
  • An olefin polymer is conventionally a polymer obtained from at least one olefin monomer.
  • the second polymer material can comprise more than 30% by weight of olefin polymer (s), preferably more 50% by weight of olefin polymer (s), preferably more than 70% by weight of olefin polymer (s), and more preferably more than 90% by weight of olefin polymer (s) , relative to the total weight of the second polymeric material in the second composition.
  • the second polymer material is only composed of one or more olefin polymer (s).
  • the second polymer material of the invention may comprise one or more olefin polymers, and preferably one or more ethylene polymer (s), chosen from a linear low density polyethylene (LLDPE); very low density polyethylene (VLDPE); low density polyethylene (LDPE); medium density polyethylene (MDPE); high density polyethylene (HDPE); an ethylene-propylene elastomeric copolymer (EPM); an ethylene propylene diene monomer terpolymer (EPDM); a copolymer of ethylene and vinyl ester such as a copolymer of ethylene and vinyl acetate (EVA); a copolymer of ethylene and acrylate such as a copolymer of ethylene and butyl acrylate (EBA) or a copolymer of ethylene and methyl acrylate (EMA); a copolymer of ethylene and alpha-olefin such as a copolymer of ethylene and octene (PEO) or a
  • the second polymer material of the invention can also comprise a grafted polymer, in particular grafted with polar functions.
  • This grafted polymer advantageously makes it possible to improve the mechanical cohesion properties of the second layer after combustion under the effect of a flame.
  • the grafted polymer can be a maleic anhydride grafted olefin polymer, and in particular a maleic anhydride grafted ethylene polymer.
  • the second polymeric material can comprise from 1 to 20% by weight of said grafted polymer, and preferably from 5 to 15% by weight of said grafted polymer, relative to the total weight of the second polymeric material in the second composition.
  • the second polymeric material may comprise a mixture of at least two different ethylene polymers, and more particularly may comprise a mixture of a homopolymer of ethylene and a copolymer of ethylene and vinyl acetate (EVA) .
  • EVA vinyl acetate
  • the second polymeric material can comprise from 50 to 80% by weight of EVA and from 20 to 50% by weight of an ethylene homopolymer, relative to the total weight of the second polymeric material in the second composition.
  • the second composition may comprise at least 30% by weight of the second polymeric material, preferably at least 50% by weight of the second polymeric material, and preferably at least 60% by weight of the second polymeric material, relative to the total weight of the second composition.
  • the second composition can comprise at least 30% by weight of said second filler relative to the total weight of the second composition.
  • the second composition may comprise at least 30% by weight of said second polymeric material relative to the total weight of the second composition.
  • the second composition can have a Mooney viscosity of at least 50, and preferably at least 55.
  • the second composition can have a Mooney viscosity of at most 100, and preferably at most 90.
  • the Mooney viscosity (ML1 + 4, 160 ° C) is expressed in Mooney units (Me) and can be easily determined by standard NFT 43005.
  • the second composition may typically further include additives in an amount of 0.1 to 20 parts by weight per 100 parts by weight of the second polymeric material in the second composition.
  • Additives are well known to those skilled in the art and can for example be chosen from protective agents (eg anti-UV, anti-copper), implementing agents (eg plasticizers, lubricants), pigments , and antioxidants.
  • the second polymeric layer may preferably surround the first polymeric layer.
  • the second polymeric layer can advantageously be non-crosslinked.
  • non-crosslinked is intended to mean a layer whose gel rate according to standard ASTM D2765-01 (xylene extraction) is at most 20%, preferably at most 10%, preferably not more than 5%, and particularly preferably 0%.
  • the second polymeric layer is an electrically insulating layer.
  • the term "electrically insulating layer” means a layer whose electrical conductivity can be at most 1.10 -9 S / m (siemens per meter) (at 25 ° C), preferably at most 1.10 -8 S / m, and preferably at most 1.10 -13 S / m (at 25 ° C).
  • the thickness of the second polymeric layer can range from 0.05 mm to 2.0 mm, and preferably from 0.1 mm to 1.0 mm.
  • the cable according to the invention can also comprise a third polymeric layer.
  • the third polymer layer may preferably surround the second polymer layer.
  • the third polymeric layer can be crosslinked.
  • crosslinked is intended to mean a layer whose gel rate according to standard ASTM D2765-01 (extraction with xylene) is at least 50%, preferably at least 80%, and so particularly preferred by at least 90%.
  • the third polymeric layer is an electrically insulating layer.
  • the term "electrically insulating layer” means a layer whose electrical conductivity can be at most 1.10 -9 S / m (siemens per meter) (at 25 ° C), preferably at most 1.10 -8 S / m, and preferably at most 1.10 -13 S / m (at 25 ° C).
  • the third polymeric layer does not comprise halogenated compounds.
  • the third polymeric layer is a so-called "HFFR" layer for anglicism " Halogen-Free Flame Retardant" according to standard IEC 60754 Parts 1 and 2 (2011).
  • the third polymeric layer may comprise one or more olefin polymer (s) and preferably one or more ethylene polymer (s)
  • the thickness of the third polymeric layer can range from 0.05 mm to 2 mm, and preferably from 0.1 mm to 1.0 mm.
  • the invention finds a particularly advantageous, but not exclusive, application in the field of energy or telecommunication cables intended to remain operational for a defined time when they are subjected to high heat and / or directly to flames.
  • the term "cable” means an electrical and / or optical cable, intended for the transport of energy and / or for the transmission of data.
  • this type of cable comprises one or more elongated conductive element (s) of the electrical and / or optical type.
  • the elongated conductive element When the elongated conductive element is of the electrical type, it may be a single conductor such as for example a metallic wire, or a multiconductor such as a plurality of metallic wires, twisted or not.
  • the elongated electrical conductor can be made from a metallic material chosen in particular from aluminum, an aluminum alloy, copper, a copper alloy, and one of their combinations.
  • the cross section of the electrical conductor can range from 0.5 mm 2 to more than 240 mm 2 .
  • the first polymeric layer can be in direct physical contact with the elongated conductive element.
  • the second polymeric layer may surround the first polymeric layer.
  • the third polymeric layer may surround the first polymeric layer and / or the second polymeric layer.
  • the cable of the invention may further comprise a protective sheath surrounding one or more elongated conductive element (s) insulated by at least the first polymeric layer, the second polymeric layer, and optionally the third polymeric layer, said three layers being in accordance with the invention.
  • the protective sheath surrounds the single elongated and thus insulated conductive element .
  • the protective sheath surrounds all of said elongated and thus insulated conductive elements.
  • the protective sheath of the invention can be a sheath of the tubing type or of the tamping type.
  • Tube sheath is understood to mean a tube-shaped sheath comprising a substantially identical thickness all along said tube.
  • the tubular sheath can be more or less tight around all of the insulated conductors as previously described, so as in particular to immobilize all of said insulated conductors inside said sheath.
  • the tubing sheath is very simple and quick to produce since it requires less pressure at the outlet of the extruder than that necessary for the manufacture of a stuffing sheath.
  • sensing sheath means a sheath which fills the interstices, when they exist, between the electrical conductors insulated by at least the first polymeric layer and the second polymeric layer, the volumes of which are accessible.
  • the thickness of the protective sheath can range from 0.05 mm to 3 mm, and preferably from 0.5 mm to 2.0 mm.
  • the protective sheath may conventionally be based on one or more olefin polymer (s), with optionally at least one flame-retardant filler such as aluminum trihydroxide (ATH), magnesium dihydroxide (MDH), the chalk.
  • ATH aluminum trihydroxide
  • MDH magnesium dihydroxide
  • the protective sheath is a so-called “HFFR” sheath for Anglicism “ Halogen-Free Flame Retardant ” according to standard IEC 60754 Parts 1 and 2 (2011).
  • the cable may further comprise a stuffing element positioned along the cable between the protective sheath and the isolated elongated conductive element (s), the stuffing element which can also surround the insulated elongated conductive element (s).
  • the stuffing element is well known to those skilled in the art and can for example be based on one or more olefin polymer (s), optionally with at least one flame-retardant filler such as, for example, trihydroxide. aluminum (ATH), magnesium dihydroxide (MDH), chalk.
  • the stuffing element is a so-called “HFFR” element for “ Halogen-Free Flame Retardant” anglicism according to standard IEC 60754 Parts 1 and 2 (2011).
  • the cable of the invention does not include / preferably include no halogenated compounds according to IEC 60754 Parts 1 and 2 (2011).
  • halogenated compounds can be of all kinds, such as, for example, fluorinated polymers or chlorinated polymers such as polyvinyl chloride (PVC), halogenated plasticizers, halogenated mineral fillers, etc.
  • the electric cable shown on the figure 1 comprises two electrical conductors 1, each electrical conductor being successively surrounded by a first polymeric layer 2 and a second polymeric layer 3, both according to the invention.
  • a protective sheath 5 of stuffing type surrounds all of the two conductors insulated by the two polymer layers of the invention.
  • a packing element 6 is positioned between the protective sheath 5 and all of the electrical conductors insulated by the two polymer layers of the invention.
  • the stuffing element 6 also surrounds all of the electrical conductors insulated by the two polymer layers of the invention.
  • the electric cable shown on the figure 2 comprises three electrical conductors 1, successively surrounded by a first layer polymer 2 and a second polymer layer 3, both according to the invention.
  • a third polymeric layer 4 surrounds the second polymeric layer of each of the electrical conductors.
  • a tubing type protective sheath 5 surrounds all three electrical conductors insulated by the three polymer layers.
  • Empty spaces 7 are provided between the protective sheath 5 and all of the electrical conductors insulated by the three polymer layers that it surrounds.
  • the protective sheath 5 is a conventional sheath produced from a flame-retardant composition based on polyolefin.
  • the packing element 6 is a conventional packing element also produced from a flame-retardant composition based on polyolefin.
  • Table 3 below presents a cable comprising a first polymeric layer obtained from the first composition of table 1, and a second polymeric layer obtained from the second composition of table 2.
  • the first composition of table 1 is extruded, using a conventional single screw extruder, around each electrical conductor, thus forming the first insulating polymeric layer.
  • the temperature profile ranges from 90 to 200 ° C, and the extruder has eight heating zones.
  • the second composition of table 2 is conventionally extruded around the first polymeric layer, thus forming the second insulating polymeric layer.
  • a third layer as defined in the invention when it exists, is extruded around the two previous layers.
  • the two-layer or three-layer insulation can be extruded in several successive stages, but it can also be extruded by co-extrusion (one and the same extrusion head).
  • Standard NF C 32-070 CR1 (2001) indicates in particular a fire resistance threshold of 65 minutes (min) to validate the performance.
  • the DIN4120-12 standard indicates in particular a fire resistance threshold of 30, 60 and 90 minutes (min) to validate the performance E30, E60 and E90 respectively.
  • NBN standard 713020 Addendum 3 indicates in particular a fire resistance threshold of 60, 90 and 120 minutes (min) to validate the performance rf60, rf90 and rf120 respectively.

Landscapes

  • Insulated Conductors (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Organic Insulating Materials (AREA)

Claims (17)

  1. Kabel, umfassend mindestens ein längliches leitendes Element (1), umgeben von mindestens Folgendem:
    - einer ersten Polymerschicht (2), erhalten aus einer ersten Zusammensetzung, die ein erstes Polymermaterial und eine erste Last umfasst, und
    - eine zweite Polymerschicht (3), erhalten aus einer zweiten Zusammensetzung, die ein zweites Polymermaterial und eine zweite Last umfasst,
    dadurch gekennzeichnet, dass:
    - die erste Last mindestens ein erstes Oxid vom Typ Oxid eines Erdalkalimetalls umfasst, und
    - die zweite Last mindestens ein erstes Silikat und ein zweites Silikat umfasst, wobei das zweite Silikat verschieden vom ersten Silikat ist.
  2. Kabel nach Anspruch 1, dadurch gekennzeichnet, dass das erste Oxid Magnesiumoxid (MgO) ist.
  3. Kabel nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass die erste Ladung außerdem ein zweites Oxid umfasst, das verschieden vom ersten Oxid ist.
  4. Kabel nach Anspruch 3, dadurch gekennzeichnet, dass das zweite Oxid Siliciumdioxid (SiO2) ist.
  5. Kabel nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die erste Zusammensetzung 20 bis 60 Gew.% des ersten Oxids mit Bezug auf das Gesamtgewicht der ersten Zusammensetzung umfasst.
  6. Kabel nach einem der Ansprüche 3 bis 5, dadurch gekennzeichnet, dass die erste Zusammensetzung 5 bis 30 Gew.% des zweiten Oxids mit Bezug auf das Gesamtgewicht der ersten Zusammensetzung umfasst.
  7. Kabel nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die erste Zusammensetzung mindestens 30 Gew.% der ersten Last und vorzugsweise 40 Gew.% der ersten Last mit Bezug auf das Gesamtgewicht der ersten Zusammensetzung umfasst.
  8. Kabel nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das erste Polymermaterial ein oder mehrere Ethylenpolymer(e) umfasst.
  9. Kabel nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das erste Polymermaterial mindestens ein Ethylen- und Octencopolymer umfasst.
  10. Kabel nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die zweite Last außerdem ein Oxyd eines Erdalkalimetalls umfasst.
  11. Kabel nach Anspruch 10, dadurch gekennzeichnet, dass das Oxid eines Erdalkalimetalls Magnesiumoxid (MgO) ist.
  12. Kabel nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die zweite Last außerdem ein drittes Silikat umfasst, wobei das dritte Silikat verschieden vom ersten Silikat und vom zweiten Silikat ist.
  13. Kabel nach Anspruch 12, dadurch gekennzeichnet, dass die zweite Last mit Bezug auf das Gesamtgewicht der zweiten Last Folgendes umfasst:
    - 20 bis 40 Gew.% des ersten Silikats,
    - 20 bis 40 Gew.% des zweiten Silikats,
    - 5 bis 30 Gew.% des dritten Silikats und
    - 20 bis 40 Gew.% des Oxids eines Erdalkalimetalls.
  14. Kabel nach Anspruch 2 oder 11, dadurch gekennzeichnet, dass das Oxid eines Erdalkalimetalls eine Reinheit (durch Kalzinierung) von mindestens 96,0 % und vorzugsweise von mindestens 98,0 % umfasst.
  15. Kabel nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die erste Polymerschicht (2) eine elektrisch isolierende Schicht ist.
  16. Kabel nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die zweite Polymerschicht (3) eine elektrisch isolierende Schicht ist.
  17. Kabel nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die zweite Polymerschicht (3), die erste Polymerschicht (2) umgibt.
EP18171604.4A 2017-05-16 2018-05-09 Feuerbeständiges kable Active EP3404673B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1754318A FR3066637B1 (fr) 2017-05-16 2017-05-16 Cable resistant au feu

Publications (2)

Publication Number Publication Date
EP3404673A1 EP3404673A1 (de) 2018-11-21
EP3404673B1 true EP3404673B1 (de) 2020-03-11

Family

ID=59409506

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18171604.4A Active EP3404673B1 (de) 2017-05-16 2018-05-09 Feuerbeständiges kable

Country Status (2)

Country Link
EP (1) EP3404673B1 (de)
FR (1) FR3066637B1 (de)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2776119B1 (fr) 1998-03-12 2000-06-23 Alsthom Cge Alcatel Cable de securite, resistant au feu et sans halogene
TWI322176B (en) * 2002-10-17 2010-03-21 Polymers Australia Pty Ltd Fire resistant compositions
EP2013272B1 (de) * 2006-04-21 2015-03-04 Olex Australia Pty Limited Flammwidrige zusammensetzungen
EP2879135A1 (de) * 2013-11-28 2015-06-03 Nexans Feuerfeste Zusammensetzungen

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
FR3066637B1 (fr) 2019-07-19
EP3404673A1 (de) 2018-11-21
FR3066637A1 (fr) 2018-11-23

Similar Documents

Publication Publication Date Title
EP2441076B1 (de) Elektrisches kabel, ausgelegt zum sicherstellen der kontinuität der stromverteilung im fall von feuer
EP3398194B1 (de) Kabel mit einer feuerbeständigen isolierschicht
EP2346931B1 (de) Flammwidriges elektrokabel
EP3404673B1 (de) Feuerbeständiges kable
RU2700506C1 (ru) Токопровод
EP2319053B1 (de) Keramisierbare zusammensetzung für ein strom- und/oder telekommunikationskabel
US8581102B2 (en) Curable composition for medium and high voltage power cables
EP3764372A1 (de) Kabel, das eine feuerbeständige schicht umfasst
EP3806112A1 (de) Zubehörteil für kabel mit verbesserter dielektrischer festigkeit
WO2017032933A1 (fr) Gaine de protection réfléchissante pour câble
WO2017153658A1 (fr) Câble électrique destiné à être enterré
EP2862896B1 (de) Elektrisches Kabel oder Telekommunikationskabel mit einer kratzfesten Polymerschicht
EP3544025A1 (de) Elektrokabel mit einer leicht abziehbaren polymerschicht
EP2498264B1 (de) Mittel- oder Hochspannungsstromkabel
KR102604898B1 (ko) 초고압 직류 전력케이블의 시스템
EP3828900A1 (de) Kabel mit feuerbeständiger schicht
EP3764373A1 (de) Kabel mit einer feuerbeständigen keramikschicht
CN113488278A (zh) 一种b1级高阻燃多芯电缆及其制造方法
FR3101352A1 (fr) Couche réticulée pour câble
FR3029004A1 (fr) Cable electrique avec une emissivite amelioree

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION HAS BEEN PUBLISHED

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

AX Request for extension of the european patent

Extension state: BA ME

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE

17P Request for examination filed

Effective date: 20190521

RBV Designated contracting states (corrected)

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: GRANT OF PATENT IS INTENDED

GRAJ Information related to disapproval of communication of intention to grant by the applicant or resumption of examination proceedings by the epo deleted

Free format text: ORIGINAL CODE: EPIDOSDIGR1

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE

INTG Intention to grant announced

Effective date: 20190913

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: GRANT OF PATENT IS INTENDED

INTG Intention to grant announced

Effective date: 20191018

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE PATENT HAS BEEN GRANTED

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

REG Reference to a national code

Ref country code: GB

Ref legal event code: FG4D

Free format text: NOT ENGLISH

REG Reference to a national code

Ref country code: CH

Ref legal event code: EP

REG Reference to a national code

Ref country code: AT

Ref legal event code: REF

Ref document number: 1244148

Country of ref document: AT

Kind code of ref document: T

Effective date: 20200315

REG Reference to a national code

Ref country code: DE

Ref legal event code: R096

Ref document number: 602018002933

Country of ref document: DE

REG Reference to a national code

Ref country code: IE

Ref legal event code: FG4D

Free format text: LANGUAGE OF EP DOCUMENT: FRENCH

REG Reference to a national code

Ref country code: NL

Ref legal event code: FP

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20200311

Ref country code: RS

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20200311

Ref country code: NO

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20200611

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: BG

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20200611

Ref country code: HR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20200311

Ref country code: GR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20200612

Ref country code: LV

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20200311

Ref country code: SE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20200311

REG Reference to a national code

Ref country code: LT

Ref legal event code: MG4D

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SM

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20200311

Ref country code: EE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20200311

Ref country code: CZ

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20200311

Ref country code: SK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20200311

Ref country code: PT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20200805

Ref country code: RO

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20200311

Ref country code: IS

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20200711

Ref country code: LT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20200311

REG Reference to a national code

Ref country code: AT

Ref legal event code: MK05

Ref document number: 1244148

Country of ref document: AT

Kind code of ref document: T

Effective date: 20200311

REG Reference to a national code

Ref country code: DE

Ref legal event code: R097

Ref document number: 602018002933

Country of ref document: DE

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20200311

Ref country code: AT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20200311

Ref country code: DK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20200311

Ref country code: ES

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20200311

Ref country code: MC

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20200311

26N No opposition filed

Effective date: 20201214

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20200311

Ref country code: PL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20200311

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LU

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20200509

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20200509

REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: CH

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20210531

Ref country code: LI

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20210531

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: TR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20200311

Ref country code: MT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20200311

Ref country code: CY

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20200311

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: MK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20200311

Ref country code: AL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20200311

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 20220509

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20220509

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: NL

Payment date: 20240521

Year of fee payment: 7

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 20240521

Year of fee payment: 7

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 20240528

Year of fee payment: 7

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: BE

Payment date: 20240521

Year of fee payment: 7