EP2319053B1 - Keramisierbare zusammensetzung für ein strom- und/oder telekommunikationskabel - Google Patents

Keramisierbare zusammensetzung für ein strom- und/oder telekommunikationskabel Download PDF

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Publication number
EP2319053B1
EP2319053B1 EP09737074A EP09737074A EP2319053B1 EP 2319053 B1 EP2319053 B1 EP 2319053B1 EP 09737074 A EP09737074 A EP 09737074A EP 09737074 A EP09737074 A EP 09737074A EP 2319053 B1 EP2319053 B1 EP 2319053B1
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Prior art keywords
weight
compound
composition
cable according
compounds
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EP09737074A
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English (en)
French (fr)
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EP2319053A1 (de
Inventor
Christelle Mazel
Arnaud Piechaczyk
Roland Avril
Stéphanie HOAREAU
Melek Kirli
Elisabeth Tavard
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Nexans SA
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Nexans SA
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
    • H01B3/02—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of inorganic substances
    • 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
    • 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
    • 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 an energy and / or telecommunication cable comprising at least one electrically insulating layer which is also able to withstand extreme thermal conditions.
  • safety cables that is to say to energy or telecommunication cables intended to remain operational for a defined time when they are subjected to high heat and / or or directly to the fire.
  • a significant slowdown in the progression of the flames it is as much time gained to evacuate the places and / or to implement appropriate means of extinction.
  • the cable In case of fire, the cable must be able to withstand the fire in order to operate as long as possible and limit its degradation.
  • a safety cable must also not be dangerous for its environment, that is to say, not to release toxic fumes and / or too opaque when subjected to extreme thermal conditions.
  • a cable is schematically constituted of at least one conductive element, electrical or optical, surrounded by at least one electrically insulating layer.
  • the electrically insulating layer may be an insulation directly in contact with at least one conductive element of the cable. It can also be a protective sheath surrounding one or more insulated conductive elements.
  • a known fire-resistant cable insulating layer composition is described in the document WO 2004/035711 .
  • This composition comprises an organic polymer and several inorganic fillers which may be in particular mica, zinc borate, and metal oxides such as oxides of calcium, iron, magnesium, aluminum, zirconium, zinc, zinc tin or barium.
  • JP 2004-95373 discloses an insulating strip for flat flexible cable having flame retardance properties comprising as essential elements a polyester resin and a metal hydroxide.
  • the object of the present invention is to overcome the drawbacks of the solutions of the state of the art by providing in particular a cable comprising an insulating layer having an optimal compromise between its electrical insulation properties and mechanical strength in extreme thermal conditions. .
  • This combination of inorganic fillers (compounds b, c and d) is optimally adapted to react in the conditions of a fire and thus form a refractory ceramic compound: the insulating layer is said to be ceramizable.
  • the cable according to the present invention satisfies in particular the standards IEC 60331 part 21 or 23, DIN 4102 part 12 and EN 50200.
  • precursor of a metal oxide x (precursor of potassium oxide, boron oxide or calcium oxide) are understood to mean any inorganic element capable of forming under the action of an elevation temperature said metal oxide x.
  • said inorganic element forms the metal oxide at a temperature T lower than the temperature Tc of (beginning of) ceramization of the insulating layer.
  • the ceramization start temperature is considered to be the temperature sufficient to observe the rearrangement and sticking of the particles set forth in step i above.
  • It can be any type of organic polymer well known to those skilled in the art, especially capable of being extruded, of the thermoplastic or elastomeric polymer type.
  • the organic polymer may be a mixture of several organic polymers, or may be a mixture of polymers consisting of at least one major organic polymer in the mixture and at least one other polymer of different nature.
  • the organic polymer is preferably selected from an olefin polymer, an acrylate or methacrylate polymer, a vinyl polymer, and a fluoropolymer, or a mixture thereof.
  • the olefin polymer is especially chosen from a homopolymer or copolymer of ethylene, and a homopolymer or copolymer of propylene, or a mixture thereof.
  • the olefin polymer is chosen from an ethylene homopolymer, an ethylene-octene (PEO) copolymer, an ethylene-vinyl acetate (EVA) copolymer, a copolymer of propylene diene monomer (EPDM), a copolymer of ethylene and methyl acrylate (EMA), a copolymer of ethylene and butyl acrylate (EBA), and a copolymer of ethylene and acrylate ethyl (EEA), or a mixture thereof.
  • the compound b may advantageously be a potassium oxide as such or a phyllosilicate comprising a potassium oxide. More particularly, the phyllosilicate comprising a potassium oxide is preferably an aluminum phyllosilicate comprising a potassium oxide.
  • the potassium oxide preferably has the following chemical formula: K 2 O.
  • Other types of potassium oxides such as, for example, complex oxides, or in other words polyoxometalates, can also be considered in the context of the present invention. of the invention.
  • the phyllosilicates comprising a potassium oxide may be certain types of mica such as micas aluminoceladonite, boromuscovite, celadonite, chromphyllite, ferroaluminoceladonite, ferrocelatonite, muscovite, roscoelite, annite, biotite, eastonite, hendricksite, lepidolite, masutomilite, montdorite, norrishite , polylithionite, phlogopite, siderophyllite, tainiotite, tetra-ferri-annite, tetra-ferriphlogopite, trilithionite, zinnwaldite, anadite, glauconite, or illite.
  • Aluminum phyllosilicates comprising a potassium oxide such as micas aluminoceladonite, chromphyllite, ferroaluminoceladonite, muscovite, roscoelite, annite, biotite, eastonite, hendricksite, lepidolite, masutomilite, montdorite, polylithionite, phlogopite, siderophyllite, trilithionite, are preferred. zinnwaldite, anadite, glauconite, or illite.
  • a potassium oxide such as micas aluminoceladonite, chromphyllite, ferroaluminoceladonite, muscovite, roscoelite, annite, biotite, eastonite, hendricksite, lepidolite, masutomilite, montdorite, polylithionite, phlogopite, siderophyllite, trilith
  • aluminum phyllosilicates comprising a potassium oxide, the muscovite mica of the chemical formula 6SiO 2 -3AbO 3 -K 2 O-2H 2 O or the phlogopite mica of the chemical formula 6SiO 2 -AbO 3 -K 2 O- 6MgO-2H 2 O.
  • the amount of the compound b may be at least 2 parts by weight, preferably at least 3 parts by weight, and still more preferably at least 6 parts by weight, per 100 parts by weight of polymer (s) in the composition .
  • the amount of the compound b may be at least 2% by weight, preferably at least 5% by weight, and still more preferably at least 10% by weight, of the total weight of the compounds b, c and d in the composition.
  • the boron oxide may typically have the following formula: B 2 O 3 .
  • B 2 O 3 does not exist in this form in the free state.
  • a boron oxide precursor is generally used.
  • the precursor of boron oxide may be chosen for example from zinc borate, boron phosphate, boric acid, calcium borate (eg colemanite of chemical formula Ca 2 B 6 O 11 , 5H 2 O) and sodium borate (eg borax of the chemical formula Na 2 B 4 O 7 , 10H 2 O).
  • the boron oxide precursor is preferably dehydrated, especially when said precursor is zinc borate, in order to avoid dehydration of said precursor when the insulating layer is subjected to fire and thus to disturb the dimensional stability of the ceramic formed.
  • the amount of compound c may be at least 20 parts by weight, and preferably at least 25 parts by weight, per 100 parts by weight of polymer (s) in the composition.
  • the amount of compound c may be at least 10% by weight, preferably at least 15% by weight, and more preferably at least 20% by weight, of the total weight of compounds b, c and d in the composition.
  • One of the calcium oxide precursors CaO may be calcium carbonate. Between calcium oxide, a calcium oxide precursor and the calcium oxide and calcium oxide precursor mixture, calcium oxide as such is preferred.
  • the amount of the compound d may advantageously be at least 10 parts by weight, preferably at least 20 parts by weight, and still more preferably at least 25 parts by weight, per 100 parts by weight of polymer (s) in the composition.
  • the amount of the compound d can advantageously be at least 15% by weight, and preferably at least 20% by weight, of the total weight of the compounds b, c and d in the composition.
  • Potassium oxide is present in some types of mica as mentioned above.
  • the amount of compound b can be at least 40% by weight, the total weight of compounds b, c and d in the composition.
  • the composition may comprise an amount of compound b at most 80% by weight, an amount of compound c at most 30% by weight, and an amount of the compound of at most 50% by weight, said amounts being defined with respect to the total weight of compounds b, c and d in the composition.
  • the composition can thus comprise an amount of compound b of 40 to 80% by weight, an amount of compound c of 10 to 30% by weight, and an amount of compound d of 10 to 50% by weight, said amounts being defined relative to the total weight of compounds b, c and d in the composition.
  • the composition comprises an amount of the compound b of 60% by weight, a quantity of the compound c of 20% by weight, and a quantity of the compound d of 20% by weight, said amounts being defined in relation to the total weight of compounds b, c and d in the composition.
  • composition according to the present invention may furthermore comprise other inorganic fillers of the nanoparticle type.
  • Said nanoparticles typically have at least one of their nanometric dimensions (10 -9 meters). More particularly, the average size of the mineral nanoparticles is at most 400 nm, preferably at most 300 nm, and more preferably at most 100 nm.
  • the average size of the nanoparticles is conventionally determined by methods that are well known to those skilled in the art, for example by laser granulometry or by microscopy techniques, in particular by SEM (Scanning Electron Microscopy) or TEM (Transmission Electron Microscopy).
  • These nanoparticles preferably have a form factor of at least 100, the form factor being the ratio of the largest dimension of a mineral nanoparticle to the smallest dimension of said nanoparticle.
  • the nanoparticles are phyllosilicates chosen in particular from montmorillonites, sepiolites, illites, attapulgites, talcs, and kaolins, or a mixture thereof.
  • the composition does not comprise halogenated inorganic fillers.
  • the composition may furthermore not include halogenated polymers such as, for example, fluorinated polymers or chlorinated polymers such as polyvinyl chloride (PVC).
  • the amounts of inorganic fillers in the composition can be defined in that the composition comprises at least 20 parts by weight, preferably at least 40 parts by weight preferably at least 60 parts by weight, and even more preferably at least 90 parts by weight of inorganic fillers, per 100 parts by weight of polymer (s).
  • the lower limit of 90 parts by weight is especially taken into account when the compound b is mica (i.e. phyllosilicate comprising a potassium oxide).
  • the composition comprises at most 200 parts by weight of inorganic fillers per 100 parts by weight of polymer (s), in order to limit the problems of rheologies in the composition.
  • the composition may be crosslinked to obtain a crosslinked insulating layer.
  • the crosslinking of the composition can be carried out by conventional crosslinking techniques well known to those skilled in the art such as, for example, silane crosslinking in the presence of a crosslinking agent, peroxide crosslinking under the action of heat, or photochemically cross-linking such as irradiation with beta radiation, or irradiation with ultraviolet radiation in the presence of a photoinitiator.
  • the figure 1 represents an electric cable 1 comprising a solid-type conducting element 2, surrounded by an insulating-type insulating layer 3 directly in contact with the conductive element, the latter being itself surrounded by an insulating layer of the protective sheath type 4.
  • the figure 2 also represents an electrical cable 10 comprising at least two conductive elements 12 of multi-strand type. Each strand 12 is surrounded by an insulation insulating layer 13 directly in contact with the conductive element, all of these isolated strands being surrounded by an insulating layer of the protective sheath type 14.
  • the insulating layer 3, 13 and / or the protective sheath 4, 14 can be obtained from the composition according to the present invention.
  • the insulation 3, 13 has a thickness of 0.6 to 2.4 mm and the protective sheath 4, 14 has a thickness of 1 to 2.5 mm.
  • composition according to the invention is conventionally shaped by extrusion around or conductive elements to form the insulation 3, 13 and / or the protective sheath 4, 14.
  • the extrusion of said composition may be an extrusion said compression or stuffing, or a so-called tubing extrusion.
  • the tubular extrusion makes it possible to obtain a tubular insulating layer, that is to say a tube-shaped layer of a certain thickness whose inner surface and the outer surface are respectively two substantially concentric cylinders.
  • the tubular insulating layer does not fill the interstices between the conductive elements (isolated or not) and thus provides empty spaces between it and the insulated or insulated conductive elements that it surrounds, especially the empty spaces occupy at least 10% of the section of the cable.
  • the insulating layer leaves the free conductive elements within said layer.
  • the stuffing extrusion makes it possible to obtain a stuffing layer, that is to say a layer filling the interstices between the conductive elements (isolated or not) whose volumes are accessible, and thus said layer is directly in contact with the elements isolated conductors or not.
  • Tables 1a and 1b below detail the compositions used to obtain said insulating layers.
  • the composition may typically further comprise additives in an amount of from 5 to 20 phr.
  • additives are well known to those skilled in the art and may be chosen for example from protection agents (antioxidants, anti-UV, anti-copper), processing agents (plasticizers or lubricants), and pigments .
  • melt polymer (s) is continuously blended with the various inorganic fillers detailed in Tables 1a and 1b.
  • the mixing is carried out using a Buss single-screw mixer or a twin-screw extruder and the inorganic fillers are added to the polymer (s) using a conventional metering hopper.
  • the mixture of the charged polymer (s) is extruded directly onto a solid or multi-stranded copper wire with a cross-section of 1.5 mm 2 , the extruded insulating layer having a thickness of 0.8 mm.
  • the polymers of Table 1a in the molten state are continuously mixed and heated with a silane crosslinking agent of the alkoxysilane or carboxysilane type together with an organic peroxide, using a Buss single-screw mixer or of a twin-screw extruder.
  • the crosslinking agent is added in an amount of 1 to 2.5% and that used in the compositions B1 to B4 is Silfin 59 sold by the company Evonik.
  • the temperature of the mixture of this first step is such that it typically allows the polymer mixture to be used while decomposing the organic peroxide.
  • This first step makes it possible to obtain a mixture of silane graft polymers in the form of granules.
  • the molar silane graft polymer is continuously blended and heated to the various inorganic fillers detailed in Table 1a.
  • This second step makes it possible to obtain a grafted silane graft polymer, the charged silane graft polymer being typically obtained in the form of granules.
  • the granules of charged silane graft polymer are used in the molten state in a single-screw extruder in the presence of a catalyst for the condensation reaction of silanol groups, such as, for example, dibutyltin dilaurate. (DBTL) well known to those skilled in the art.
  • DBTL dibutyltin dilaurate.
  • the catalyst is typically added to the charged silane graft polymer in the form of a masterbatch based on a polyolefin compatible with said graft polymer.
  • the masterbatch containing said catalyst is added in an amount of about 2% by weight to the loaded silane graft polymer.
  • the mixture of the charged silane graft polymer and the silanol condensation catalyst is extruded directly onto a 1.5 mm 2 multi-stranded copper wire, the extruded insulating layer having a thickness of 0.8 mm.
  • melt polymer (s) is continuously blended with the various inorganic fillers and peroxide detailed in Table 1a.
  • the mixing is carried out using a Buss single-screw mixer or a twin-screw extruder and the inorganic fillers and peroxide are added to the polymer (s) using a conventional metering hopper.
  • the mixture of the charged polymer (s) is extruded directly onto a solid or multi-stranded copper wire with a cross-section of 1.5 mm 2 , the extruded insulating layer having a thickness of 0.8 mm.
  • the mixing and extrusion temperature conditions are such that the temperature is sufficient to soften and homogenize the peroxide and the inorganic fillers in the polymer (s) while avoiding initiating the decomposition of the peroxide.
  • the insulating layer thus formed is crosslinked by the peroxide route under the action of heat, in a salt bath, in a vapor tube or in a fluidized bed at atmospheric pressure or at a pressure close to the latter.
  • the fire resistance tests are carried out according to the following three standards: IEC 60331 part 21 or 23, DIN 4102 part 12, and EN 50200.
  • the standard IEC 60331 part 21 or 23 consists of subjecting an electric cable to its nominal voltage when it is suspended horizontally over a flame of at least 750 ° C for a determined period but without mechanical stress.
  • This period is checked whether there is a short-circuit or breakage of the electrical conductors.
  • the test is successful when there is no short circuit or breakage of the electrical conductors during the test and the next 15 minutes.
  • the electrical cable that has passed the test for 30 minutes is then classified FE30. When it passes the test for 90 minutes or 180 minutes, it is respectively classified FE90 and FE180.
  • DIN 4102 part 12 consists in subjecting an electric cable with its fixing devices in an oven of at least 3 meters in length for a determined period of time according to a standard temperature curve (ISO 834).
  • the electrical cable having passed the test for 30 minutes at 842 ° C is then classified E30.
  • it passes the test for 60 minutes at 945 ° C or for 90 minutes at 1006 ° C it is then respectively classified E60 and E90.
  • the EN 50200 standard consists of mounting and fixing by means of metal rings an electric cable in the form of a U on a plate of refractory material.
  • the electrical cable during the test is subjected to a flame (850 ° C) as well as a metal shock delivered via a metal bar which falls on the plate of refractory material every 5 minutes. Electrical conductors being under their operating voltage must not break or give rise to short circuits.
  • the electrical cable having satisfied the test for 15, 30, 60, 90 or 120 minutes is then respectively classified PH15, PH30, PH60 PH90 or PH120.
  • Table 2 shows the very satisfactory results of the fire resistance tests of insulating layers of electric cables according to the present invention.
  • the electrical cables used for said tests consist of at least two copper wires respectively insulated, all of these insulated copper son being surrounded by a conventional type of protection HFFR well known to those skilled in the art.
  • the electrically insulating layers of the copper wires of each set are respectively obtained from compositions A1 to A3, B1 to B4 and C1 to C3. ⁇ b> ⁇ u> Table 2 ⁇ / u> ⁇ /b> standards IEC 60331 part 31 EN 50200 DIN 4102 Results FE 180 PH 90 E30
  • the extruded insulation layers obtained respectively from the compositions A2, A4, A5 and A6 were subjected to a mechanical penetration resistance test.
  • the procedure consists mainly in driving a penetrating member at constant speed into each combustion residue, and simultaneously measuring, by means of a force sensor, the resistance of the burnt material as a function of the effective depth of penetration.
  • the penetrating member is concretely in the form of a cylinder 6mm in diameter and 20mm in length. In order to provide a convex contact surface, this cylinder is used in a position parallel to the outer surface of the residue to be tested, and with a direction of displacement perpendicular to said outer surface.
  • the penetration speed is set at 10mm / min.
  • the cylindrical geometry of the penetrating member makes it possible simultaneously to quantify the compressive strength and the creep resistance.
  • a Zwick / Roel Z010 ® type compression machine is used to continuously perform series of resistance measurements from which the characteristic value of the residual cohesion, ie the maximum resistance force, will be deduced each time. reached after penetrating 50% of the thickness of the sample.
  • Table 3 below collates the characteristic values of residual cohesion, denoted Fmax-50% expressed in Newton, for the insulating layers extruded after a combustion at 920 ° C. ⁇ b> ⁇ u> Table 3 ⁇ / u> ⁇ /b> Extruded insulating layers obtained from the following compositions: A2 A4 AT 5 A6 Fmax-50% after combustion at 920 ° C 231 338 125 215
  • compositions A2, A4 and A6 have excellent residual cohesion after being burned at 920 ° C.
  • the residual cohesion result (125N after combustion at 920 ° C.) corresponding to the insulating layer obtained from the composition A5 is much lower than those obtained from the insulating layers of the invention.

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  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Organic Insulating Materials (AREA)
  • Insulated Conductors (AREA)
  • Inorganic Insulating Materials (AREA)

Claims (15)

  1. Energie- und/oder Telekommunikationskabel, das mindestens ein leitendes Element aufweist, das von mindestens einer Isolationsschicht umgeben ist, die sich entlang des Kabels erstreckt, wobei die Isolationsschicht aus einer Zusammensetzung gewonnen wird, die die folgenden Verbindungen umfasst: a) ein organisches Polymer, b) eine anorganische Verbindung, die ein Kaliumoxid und/oder einen seiner Vorläufer umfasst, c) ein Boroxid und/oder einen seiner Vorläufer und d) Kalziumoxid CaO und/oder einen seiner Vorläufer, dadurch gekennzeichnet, dass die Menge der Verbindung d mindestens 10 Gew.-% des Gesamtgewichts der Verbindungen b, c und d in der Zusammensetzung beträgt.
  2. Kabel nach Anspruch 1, dadurch gekennzeichnet, dass die Menge der Verbindung b mindestens 2 Gewichtsteile von 100 Gewichtsteilen Polymer(e) in der Zusammensetzung beträgt.
  3. Kabel nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass die Menge der Verbindung b mindestens 2 Gew.-% des Gesamtgewichts der Verbindungen b, c und d in der Zusammensetzung beträgt.
  4. Kabel nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass die Menge der Verbindung c mindestens 20 Gewichtsteile von 100 Gewichtsteilen Polymer(e) in der Zusammensetzung beträgt.
  5. Kabel nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass die Menge der Verbindung c mindestens 10 Gew.-% des Gesamtgewichts der Verbindungen b, c und d in der Zusammensetzung beträgt.
  6. Kabel nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass die Menge der Verbindung d mindestens 10 Gewichtsteile von 100 Gewichtsteilen Polymer(e) in der Zusammensetzung beträgt.
  7. Kabel nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass die Verbindung b ein Phyllosilikat ist, das ein Kaliumoxid umfasst.
  8. Kabel nach Anspruch 7, dadurch gekennzeichnet, dass die Verbindung b ein Mica, vorzugsweise ein Muskovitmica, ist.
  9. Kabel nach Anspruch 7 oder 8, dadurch gekennzeichnet, dass die Menge der Verbindung b mindestens 40 Gew.-% des Gesamtgewichts der Verbindungen b, c und d in der Zusammensetzung beträgt.
  10. Kabel nach einem der Ansprüche 7 bis 9, dadurch gekennzeichnet, dass die Zusammensetzung eine Menge der Verbindung b von 40 bis 80 Gew.-%, eine Menge der Verbindung c von 10 bis 30 Gew.-% und eine Menge der Verbindung d von 10 bis 50 Gew.-% umfasst, wobei die Mengen im Verhältnis zum Gesamtgewicht der Verbindungen b, c und d in der Zusammensetzung definiert sind.
  11. Kabel nach einem der Ansprüche 7 bis 10, dadurch gekennzeichnet, dass die Zusammensetzung eine Menge der Verbindung b von 60 Gew.-%, eine Menge der Verbindung c von 20 Gew.-% und eine Menge der Verbindung d von 20 Gew.-% umfasst, wobei die Mengen im Verhältnis zum Gesamtgewicht der Verbindungen b, c und d in der Zusammensetzung definiert sind.
  12. Kabel nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass der Boroxidvorläufer aus dem Zinkborat, dem Borphosphat, der Borsäure, dem Kalziumborat und dem Natriumborat ausgewählt ist.
  13. Kabel nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass der Boroxidvorläufer dehydrisiert ist.
  14. Kabel nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass der Kalziumoxidvorläufer das Kalziumkarbonat ist.
  15. Kabel nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass die Zusammensetzung vernetzt ist.
EP09737074A 2008-07-28 2009-07-16 Keramisierbare zusammensetzung für ein strom- und/oder telekommunikationskabel Not-in-force EP2319053B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0855147A FR2934410A1 (fr) 2008-07-28 2008-07-28 Composition ceramisable pour cable d'energie et/ou de telecommunication
PCT/FR2009/051423 WO2010012932A1 (fr) 2008-07-28 2009-07-16 Composition ceramisable pour cable d'energie et/ou de telecommunication

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EP2319053A1 EP2319053A1 (de) 2011-05-11
EP2319053B1 true EP2319053B1 (de) 2012-10-31

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US (1) US20110186330A1 (de)
EP (1) EP2319053B1 (de)
KR (1) KR20110053439A (de)
CN (1) CN102113063A (de)
AU (1) AU2009275738A1 (de)
CL (1) CL2011000106A1 (de)
FR (1) FR2934410A1 (de)
WO (1) WO2010012932A1 (de)

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EP2614397B1 (de) 2010-09-10 2020-06-17 Prysmian S.p.A. Feuerfestes optisches kabel
RU2567955C2 (ru) * 2013-07-24 2015-11-10 Федеральное государственное бюджетное учреждение науки Институт синтетических полимерных материалов им. Н.С. Ениколопова Российской академии наук (ИСПМ РАН) Композиция на основе жидкого низкомолекулярного силоксанового каучука для огнестойкого материала
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CN102113063A (zh) 2011-06-29
FR2934410A1 (fr) 2010-01-29
CL2011000106A1 (es) 2011-04-29
US20110186330A1 (en) 2011-08-04
WO2010012932A1 (fr) 2010-02-04
KR20110053439A (ko) 2011-05-23
EP2319053A1 (de) 2011-05-11

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