CN105957613B - A kind of flame retardant cable and preparation method thereof - Google Patents
A kind of flame retardant cable and preparation method thereof Download PDFInfo
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- CN105957613B CN105957613B CN201610496821.8A CN201610496821A CN105957613B CN 105957613 B CN105957613 B CN 105957613B CN 201610496821 A CN201610496821 A CN 201610496821A CN 105957613 B CN105957613 B CN 105957613B
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- 239000003063 flame retardant Substances 0.000 title claims abstract description 40
- 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 title claims abstract description 26
- 238000002360 preparation method Methods 0.000 title claims abstract description 7
- 239000004020 conductor Substances 0.000 claims abstract description 15
- 229910052751 metal Inorganic materials 0.000 claims abstract description 8
- 239000002184 metal Substances 0.000 claims abstract description 8
- 229920000840 ethylene tetrafluoroethylene copolymer Polymers 0.000 claims abstract description 3
- 239000000463 material Substances 0.000 claims description 33
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 claims description 16
- HQKMJHAJHXVSDF-UHFFFAOYSA-L magnesium stearate Chemical compound [Mg+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O HQKMJHAJHXVSDF-UHFFFAOYSA-L 0.000 claims description 16
- 229920001568 phenolic resin Polymers 0.000 claims description 16
- 239000005011 phenolic resin Substances 0.000 claims description 16
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 16
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 16
- 229920001903 high density polyethylene Polymers 0.000 claims description 14
- 239000004700 high-density polyethylene Substances 0.000 claims description 14
- 239000011248 coating agent Substances 0.000 claims description 12
- 238000000576 coating method Methods 0.000 claims description 12
- 239000002245 particle Substances 0.000 claims description 12
- 239000000203 mixture Substances 0.000 claims description 11
- 239000004014 plasticizer Substances 0.000 claims description 9
- 229910002012 Aerosil® Inorganic materials 0.000 claims description 8
- 239000005662 Paraffin oil Substances 0.000 claims description 8
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 8
- 239000003795 chemical substances by application Substances 0.000 claims description 8
- 150000001875 compounds Chemical class 0.000 claims description 8
- 238000001035 drying Methods 0.000 claims description 8
- -1 ethylene-tetrafluoroethylene Chemical group 0.000 claims description 8
- TVZISJTYELEYPI-UHFFFAOYSA-N hypodiphosphoric acid Chemical compound OP(O)(=O)P(O)(O)=O TVZISJTYELEYPI-UHFFFAOYSA-N 0.000 claims description 8
- 235000019359 magnesium stearate Nutrition 0.000 claims description 8
- 239000003381 stabilizer Substances 0.000 claims description 8
- 239000003921 oil Substances 0.000 claims description 7
- 239000004793 Polystyrene Substances 0.000 claims description 6
- 239000003963 antioxidant agent Substances 0.000 claims description 6
- 230000003078 antioxidant effect Effects 0.000 claims description 6
- 239000010445 mica Substances 0.000 claims description 6
- 229910052618 mica group Inorganic materials 0.000 claims description 6
- 238000006116 polymerization reaction Methods 0.000 claims description 6
- 229920002223 polystyrene Polymers 0.000 claims description 6
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 6
- 239000004800 polyvinyl chloride Substances 0.000 claims description 6
- 239000002994 raw material Substances 0.000 claims description 6
- 229920002379 silicone rubber Polymers 0.000 claims description 6
- 239000012745 toughening agent Substances 0.000 claims description 6
- 238000010792 warming Methods 0.000 claims description 6
- ZQKXQUJXLSSJCH-UHFFFAOYSA-N melamine cyanurate Chemical compound NC1=NC(N)=NC(N)=N1.O=C1NC(=O)NC(=O)N1 ZQKXQUJXLSSJCH-UHFFFAOYSA-N 0.000 claims description 5
- BIKXLKXABVUSMH-UHFFFAOYSA-N trizinc;diborate Chemical compound [Zn+2].[Zn+2].[Zn+2].[O-]B([O-])[O-].[O-]B([O-])[O-] BIKXLKXABVUSMH-UHFFFAOYSA-N 0.000 claims description 5
- 239000002253 acid Substances 0.000 claims description 4
- 229910000410 antimony oxide Inorganic materials 0.000 claims description 4
- 239000011324 bead Substances 0.000 claims description 4
- 239000003365 glass fiber Substances 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims description 4
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 claims description 4
- 239000000347 magnesium hydroxide Substances 0.000 claims description 4
- 229910001862 magnesium hydroxide Inorganic materials 0.000 claims description 4
- VTRUBDSFZJNXHI-UHFFFAOYSA-N oxoantimony Chemical compound [Sb]=O VTRUBDSFZJNXHI-UHFFFAOYSA-N 0.000 claims description 4
- 239000007921 spray Substances 0.000 claims description 4
- 238000000137 annealing Methods 0.000 claims description 3
- 239000006229 carbon black Substances 0.000 claims description 3
- 239000002131 composite material Substances 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 3
- 239000008367 deionised water Substances 0.000 claims description 3
- 229910021641 deionized water Inorganic materials 0.000 claims description 3
- 238000003618 dip coating Methods 0.000 claims description 3
- 239000004088 foaming agent Substances 0.000 claims description 3
- 238000002844 melting Methods 0.000 claims description 3
- 230000008018 melting Effects 0.000 claims description 3
- 239000003973 paint Substances 0.000 claims description 3
- 229920000728 polyester Polymers 0.000 claims description 3
- 229920000098 polyolefin Polymers 0.000 claims description 3
- 238000003303 reheating Methods 0.000 claims description 3
- 238000007493 shaping process Methods 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 238000005491 wire drawing Methods 0.000 claims description 3
- 239000011701 zinc Substances 0.000 claims 3
- 239000000843 powder Substances 0.000 claims 2
- 229920005989 resin Polymers 0.000 claims 2
- 239000011347 resin Substances 0.000 claims 2
- SZWMYRXPLPUQQB-UHFFFAOYSA-N C(#N)NC(=O)N.N1=C(N)N=C(N)N=C1N Chemical compound C(#N)NC(=O)N.N1=C(N)N=C(N)N=C1N SZWMYRXPLPUQQB-UHFFFAOYSA-N 0.000 claims 1
- 239000004698 Polyethylene Substances 0.000 claims 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims 1
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 claims 1
- 239000004327 boric acid Substances 0.000 claims 1
- 229920000573 polyethylene Polymers 0.000 claims 1
- 229920000642 polymer Polymers 0.000 claims 1
- 239000004575 stone Substances 0.000 claims 1
- 239000001993 wax Substances 0.000 claims 1
- 229910052725 zinc Inorganic materials 0.000 claims 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 5
- 238000005452 bending Methods 0.000 abstract description 5
- 229910052760 oxygen Inorganic materials 0.000 abstract description 5
- 239000001301 oxygen Substances 0.000 abstract description 5
- 231100000614 poison Toxicity 0.000 abstract description 5
- 230000007096 poisonous effect Effects 0.000 abstract description 5
- 230000005855 radiation Effects 0.000 abstract description 5
- 230000032683 aging Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 4
- 230000001681 protective effect Effects 0.000 abstract description 4
- 238000012545 processing Methods 0.000 abstract description 2
- 241001391944 Commicarpus scandens Species 0.000 description 4
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 4
- 238000004458 analytical method Methods 0.000 description 4
- 238000002485 combustion reaction Methods 0.000 description 4
- 230000003647 oxidation Effects 0.000 description 4
- 238000007254 oxidation reaction Methods 0.000 description 4
- 238000003756 stirring Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- LEHOTFFKMJEONL-UHFFFAOYSA-N Uric Acid Chemical compound N1C(=O)NC(=O)C2=C1NC(=O)N2 LEHOTFFKMJEONL-UHFFFAOYSA-N 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 2
- 229910052787 antimony Inorganic materials 0.000 description 2
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 239000002537 cosmetic Substances 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000002708 enhancing effect Effects 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 229910052736 halogen Inorganic materials 0.000 description 2
- 150000002367 halogens Chemical class 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 150000002431 hydrogen Chemical class 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 239000000395 magnesium oxide Substances 0.000 description 2
- CWQXQMHSOZUFJS-UHFFFAOYSA-N molybdenum disulfide Chemical group S=[Mo]=S CWQXQMHSOZUFJS-UHFFFAOYSA-N 0.000 description 2
- 229910052982 molybdenum disulfide Inorganic materials 0.000 description 2
- MEFUMNTZTUDUBG-UHFFFAOYSA-N oxalonitrile 1,3,5-triazine-2,4,6-triamine Chemical compound N#CC#N.N1=C(N)N=C(N)N=C1N MEFUMNTZTUDUBG-UHFFFAOYSA-N 0.000 description 2
- 230000000704 physical effect Effects 0.000 description 2
- 230000003679 aging effect Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000004079 fireproofing Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000006855 networking Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000002341 toxic gas Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
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
-
- 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
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/02—Stranding-up
-
- 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
- H01B13/06—Insulating conductors or cables
- H01B13/065—Insulating conductors with lacquers or enamels
-
- 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
- H01B13/06—Insulating conductors or cables
- H01B13/14—Insulating conductors or cables by extrusion
-
- 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
- H01B13/06—Insulating conductors or cables
- H01B13/14—Insulating conductors or cables by extrusion
- H01B13/148—Selection of the insulating material therefor
-
- 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
- H01B13/22—Sheathing; Armouring; Screening; Applying other protective layers
-
- 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
- H01B13/22—Sheathing; Armouring; Screening; Applying other protective layers
- H01B13/26—Sheathing; Armouring; Screening; Applying other protective layers by winding, braiding or longitudinal lapping
- H01B13/2613—Sheathing; Armouring; Screening; Applying other protective layers by winding, braiding or longitudinal lapping by longitudinal lapping
-
- 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
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
-
- 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
- H01B7/28—Protection against damage caused by moisture, corrosion, chemical attack or weather
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Organic Insulating Materials (AREA)
- Insulated Conductors (AREA)
Abstract
The present invention relates to cable processing technique field, specifically provide a kind of flame retardant cable, including insulated wire sandwich layer, screen layer, enhancement layer, high-temperature-resistant layer and overcoat, the insulated wire sandwich layer is formed by many insulated wire cores are stranded, every insulated wire cores are made up of conductor and the high-temperature insulating layer being coated on outside conductor, and the screen layer is wound in insulated wire sandwich layer periphery, and enhanced layer packets are rolled in screen layer periphery, high-temperature-resistant layer is located at enhancement layer outer surface, and overcoat is coated on enhancement layer outer surface；The high-temperature insulating layer is ethylene tetrafluoroethylene copolymer layer；The method for preparing above-mentioned flame retardant cable is additionally provided, is prepared simply, it is easy to operate.The flame retardant cable of preparation, not only with preferable fire retardant performance, and high temperature resistant, tension, bending resistance, pliability is good, wear-resisting, has good protective action to oxygen, high-energy radiation and poisonous metal aging.
Description
Technical field
The present invention relates to cable processing technique field, and in particular to a kind of flame retardant cable and preparation method thereof.
Background technology
At present, the need for people are to fast transfer of data, information, to computer, word processor, fax sensor and logical
The dependence of news equipment significantly rapidly increases.The appearance of new technology make it that the equipment of this respect is online and networking,
It result in the comprehensive development of communication system.These systems are in the use increase of specific area, such as skyscraper, ship, aircraft, fire
Car, drilling platforms and mine.
The insulating barrier and restrictive coating of existing flame retardant cable are usually to be mixed and made into single fire retardant and CABLE MATERIALS.By
Single in fire proofing, cable can not only produce a large amount of smog and toxic gas in use, but also can be anti-because of dehydration
Answer and reduce cable performance, so as to influence the resistance combustion temperature and duration of fire resistance of cable, it is difficult to reach fire prevention, moistureproof effect.
Due to having formulated more strict fire safety standard, cable insulation material needs to improve its burning and invention
Can, while keeping excellent physical property, need to improve its flame biography for low expense wire cable insulating material compositions
Broadcast and smoke generation characteristics, while to there is excellent physical property.
The content of the invention
The purpose of the present invention is to overcome the defect of above-mentioned prior art there is provided a kind of flame retardant cable and preparation method thereof, resistance
Combustion performance is good, and high temperature resistant is simple to manufacture, easy to operate.
Therefore, the invention provides a kind of flame retardant cable, including insulated wire cores group, screen layer, enhancement layer, high-temperature-resistant layer and
Overcoat, insulated wire cores group has multigroup, and every group is formed by many insulated wire cores are stranded, and every insulated wire cores are by conductor and are coated on
High-temperature insulating layer outside conductor is constituted, and the screen layer is wound in insulated wire cores group periphery, and enhanced layer packets are rolled in screen layer appearance
Face, high-temperature-resistant layer is located at enhancement layer outer surface, and overcoat is coated on enhancement layer outer surface；The high-temperature insulating layer is ethene-four
Fluoride copolymers layer；
The flame retardant cable that the present invention is provided, not only with preferable fire retardant performance, and also high temperature resistant, Stability Analysis of Structures,
Tensile capacity is strong, not easy to break, there is good protective action to oxygen, high-energy radiation and poisonous metal aging, and toughness is high, prepares
Simply, it is easy to operate.
We use the raw material components and weight content of high-temperature-resistant layer as follows：5-10 parts of mica particles, polyvinyl chloride
50-60 parts of resin-oatmeal, polystyrene 30-35 parts of fat of acid, 10-15 parts of silicon rubber, 2-4 parts of antioxidant, 5-8 parts of paraffin oil, glass
10-15 parts of fiber, 5-8 parts of toughener；
In addition, we use the raw material components and parts by weight content of overcoat as follows：40-50 parts of phenolic resin, hydrogen
20-30 parts of magnesia, 30-45 parts of high density polyethylene (HDPE), 2-4 parts of melamine cyanurate, 5-7 parts of aerosil, Ca/
5-7 parts of Zn compound stabilizers, 2-3 parts of magnesium stearate, 5-10 parts of cerous hypophosphate, 10-15 parts of halogen-free expansion fire retardant, three oxidations
Two 5-8 parts of antimony, 2-3 parts of Firebrake ZB, 10-15 parts of polytetrafluoroethylene (PTFE), 3-5 parts of anti-wear agent, 5-7 parts of plasticizer.
The phenolic resin and high density polyethylene (HDPE) of selection, resistance to elevated temperatures are preferable, especially phenolic resin, even in high temperature
Under can also keep the globality and stability of its structure.Melamine cyanurate and aerosil, not only increase resistance
Combustion is acted on, and make it that cable is heat-resisting, and anti-bending strength is preferable.Ca/Zn compound stabilizers and magnesium stearate synergy enhancing are anti-
The stability of sheath, anti-decomposition oxidation.Cerous hypophosphate maintains the stability of material, enhances the fire resistance property of material.Using
Halogen-free expansion fire retardant, fire resistance is higher.Polytetrafluoroethylene (PTFE) has self-extinguishment, once ignition of cable, can prevent flame
Diffusion.Anti-wear agent is molybdenum disulfide, considerably increases the abrasion resistance of overcoat.The overcoat that above-mentioned material is made not only increases
Strong fireproof flame-retardant effect, and protection coating materials Stability Analysis of Structures, not oxidizable and wear-resisting, long service life.
Further, the screen layer is the nonmetallic screen layer being made up of polyolefin and Carbon Black Conductive Composite.Should
Screen layer not only increases shielding properties, it is to avoid produces insulation breakdown phenomenon, and reduces outside electromagnetic interference to electromagnetism
Influence.
Further, the enhancement layer is wrapped polyester belt.The enhancement layer make it that cable has preferable ductility
And pliability, and stretching resistance is strong, not easy to break.
Preferably, the plasticizer is technical white oil, naphthenic oil, one or more mixtures of paraffin oil.
We additionally provide a kind of method for preparing above-mentioned flame retardant cable, in turn include the following steps：
（1）Circular metal silk wire drawing and annealing is stranding into conductor respectively, by conductor first in insulated paint after dip-coating, then led
The external high-temperature insulating layer that extrudes constitutes insulated wire cores, the mutually stranded composition insulated wire sandwich layer of many insulated wire cores；
（2）In insulated wire sandwich layer periphery successively lapped shielding layer and enhancement layer；
（3）Prepare exotic material：Each component material is first equipped with according to quantity, by with the mica particles, polyvinyl chloride tree got ready
The sour fat of cosmetics, polystyrene, silicon rubber, antioxidant, glass fibre and toughener add stirring 20-30 minutes in mixer, together
When paraffin oil is sprayed by spray equipment, be sufficiently mixed it is uniform after, add mixture into twin screw extruder and be molded, and right
The product of shaping carries out reheating, and heating and temperature control is at 115-150 DEG C, and time control obtained resistance to height between 10-30 seconds
Adiabator finished product, the drying box inside holding that exotic material finished product is inserted into 140-150 DEG C is dried 3-5 hours, then by after drying
Exotic material finished product insert compressing in hot press, the temperature of hot press is 280-320 DEG C, and pressure is 15-20Mpa,
So as to obtain high-temperature-resistant layer；By obtained high-temperature-resistant layer around being wrapped in enhancement layer periphery；
（4）Prepare protection coating materials：Each component material is first equipped with according to quantity, phenolic resin is small into diameter by crushing mechanism
In 5mm phenolic resin particle；By phenolic resin particle with matching somebody with somebody the magnesium hydroxide got ready, high density polyethylene (HDPE), melamine cyanogen
Lithate, aerosil, magnesium stearate, cerous hypophosphate, antimony oxide, Firebrake ZB and polytetrafluoroethylene (PTFE) add mixer
Stirring 30-40 minutes, sends into polymerization autoclave after being sufficiently mixed, while deionized water is added in polymerization autoclave, input
Ca/Zn compound stabilizers, anti-wear agent and plasticizer, are warming up to 90-100 DEG C, keep constant temperature in kettle；Halogen is added after 1-2 hours
Expansion type flame retardant, while adding foaming agent, sealed reactor is warming up to 100-110 DEG C and is incubated, and obtains protection coating materials pearl
Grain, the drying box inside holding that obtained finished product is inserted into 100-120 DEG C is dried 2 hours；By dried protection coating materials bead
It is heated to after melting, overcoat is made in cooling；By obtained overcoat around high-temperature-resistant layer periphery is wrapped in, so as to obtain fire-retardant electricity
Cable.
Beneficial effects of the present invention：This flame retardant cable that the present invention is provided, not only with preferable fire retardant performance,
And high temperature resistant, tension, bending resistance, pliability is good, wear-resisting, has good protection to oxygen, high-energy radiation and poisonous metal aging
Effect, is prepared simply, easy to operate.
Brief description of the drawings
Fig. 1 is the structural representation for the obstruction cable that the present invention is provided.
Description of reference numerals：1st, overcoat；2nd, high-temperature-resistant layer；3rd, enhancement layer；4th, screen layer；5th, insulated wire cores；5.1st, lead
Body；5.2nd, high-temperature insulating layer.
Embodiment
With reference to the accompanying drawings and detailed description, the present invention is furture elucidated.
Embodiment 1：
A kind of flame retardant cable as shown in Figure 1, including insulated wire cores group, screen layer 4, enhancement layer 3, high-temperature-resistant layer 2 and anti-
Sheath 1, the insulated wire cores group has multigroup, and every group is formed by many insulated wire cores 5 are stranded, and every insulated wire cores 5 are by conductor 5.1
Constituted with the high-temperature insulating layer 5.2 being coated on outside conductor 5.1, the screen layer 4 is wound in insulated wire cores group periphery, enhancement layer 3
The outer surface of screen layer 4 is wrapped in, high-temperature-resistant layer 2 is located at the outer surface of enhancement layer 3, and overcoat 1 is coated on the outer surface of enhancement layer 3；Institute
It is ethylene-tetrafluoroethylene copolymer layer to state high-temperature insulating layer 5.2；The screen layer 4 is by polyolefin and carbon black conductive composite wood
Expect the nonmetallic screen layer being made.The screen layer 4 not only increases shielding properties, it is to avoid produce insulation breakdown phenomenon, and drop
Low influence of the outside electromagnetic interference to electromagnetism.The enhancement layer 3 is wrapped polyester belt.The enhancement layer 3 cause cable have compared with
Good ductility and pliability, and stretching resistance is strong, not easy to break.
The flame retardant cable that the present invention is provided, not only with preferable fire retardant performance, and also high temperature resistant, Stability Analysis of Structures,
Tensile capacity is strong, not easy to break, there is good protective action to oxygen, high-energy radiation and poisonous metal aging, and toughness is high, prepares
Simply, it is easy to operate.
We use the raw material components and weight content of high-temperature-resistant layer as follows：5-10 parts of mica particles, polyvinyl chloride
50-60 parts of resin-oatmeal, polystyrene 30-35 parts of fat of acid, 10-15 parts of silicon rubber, 2-4 parts of antioxidant, 5-8 parts of paraffin oil, glass
10-15 parts of fiber, 5-8 parts of toughener；
In addition, we use the raw material components and parts by weight content of overcoat as follows：40-50 parts of phenolic resin, hydrogen
20-30 parts of magnesia, 30-45 parts of high density polyethylene (HDPE), 2-4 parts of melamine cyanurate, 5-7 parts of aerosil, Ca/
5-7 parts of Zn compound stabilizers, 2-3 parts of magnesium stearate, 5-10 parts of cerous hypophosphate, 10-15 parts of halogen-free expansion fire retardant, three oxidations
Two 5-8 parts of antimony, 2-3 parts of Firebrake ZB, 10-15 parts of polytetrafluoroethylene (PTFE), 3-5 parts of anti-wear agent, 5-7 parts of plasticizer.The plasticizer is
Technical white oil, naphthenic oil, one or more mixtures of paraffin oil.
The phenolic resin and high density polyethylene (HDPE) of selection, resistance to elevated temperatures are preferable, especially phenolic resin, even in high temperature
Under can also keep the globality and stability of its structure.Melamine cyanurate and aerosil, not only increase resistance
Combustion is acted on, and make it that cable is heat-resisting, and anti-bending strength is preferable.Ca/Zn compound stabilizers and magnesium stearate synergy enhancing are anti-
The stability of sheath, anti-decomposition oxidation.Cerous hypophosphate maintains the stability of material, enhances the fire resistance property of material.Using
Halogen-free expansion fire retardant, fire resistance is higher.Polytetrafluoroethylene (PTFE) has self-extinguishment, once ignition of cable, can prevent flame
Diffusion.Anti-wear agent is molybdenum disulfide, considerably increases the abrasion resistance of overcoat.The overcoat that above-mentioned material is made not only increases
Strong fireproof flame-retardant effect, and protection coating materials Stability Analysis of Structures, not oxidizable and wear-resisting, long service life.
Embodiment 2：
On the basis of embodiment 1, we additionally provide a kind of preparation method for preparing above-mentioned flame retardant cable, include successively
Following steps：
（1）Circular metal silk wire drawing and annealing is stranding into conductor respectively, by conductor first in insulated paint after dip-coating, then led
The external high-temperature insulating layer that extrudes constitutes insulated wire cores, the mutually stranded composition insulated wire sandwich layer of many insulated wire cores；
（2）In insulated wire sandwich layer periphery successively lapped shielding layer and enhancement layer；
（3）Prepare exotic material：Each component material is first equipped with according to quantity, by with the mica particles, polyvinyl chloride tree got ready
The sour fat of cosmetics, polystyrene, silicon rubber, antioxidant, glass fibre and toughener add stirring 20-30 minutes in mixer, together
When paraffin oil is sprayed by spray equipment, be sufficiently mixed it is uniform after, add mixture into twin screw extruder and be molded, and right
The product of shaping carries out reheating, and heating and temperature control is at 115-150 DEG C, and time control obtained resistance to height between 10-30 seconds
Adiabator finished product, the drying box inside holding that exotic material finished product is inserted into 140-150 DEG C is dried 3-5 hours, then by after drying
Exotic material finished product insert compressing in hot press, the temperature of hot press is 280-320 DEG C, and pressure is 15-20Mpa,
So as to obtain high-temperature-resistant layer；By obtained high-temperature-resistant layer around being wrapped in enhancement layer periphery；
（4）Prepare protection coating materials：Each component material is first equipped with according to quantity, phenolic resin is small into diameter by crushing mechanism
In 5mm phenolic resin particle；By phenolic resin particle with matching somebody with somebody the magnesium hydroxide got ready, high density polyethylene (HDPE), melamine cyanogen
Lithate, aerosil, magnesium stearate, cerous hypophosphate, antimony oxide, Firebrake ZB and polytetrafluoroethylene (PTFE) add mixer
Stirring 30-40 minutes, sends into polymerization autoclave after being sufficiently mixed, while deionized water is added in polymerization autoclave, input
Ca/Zn compound stabilizers, anti-wear agent and plasticizer, are warming up to 90-100 DEG C, keep constant temperature in kettle；Halogen is added after 1-2 hours
Expansion type flame retardant, while adding foaming agent, sealed reactor is warming up to 100-110 DEG C and is incubated, and obtains protection coating materials pearl
Grain, the drying box inside holding that obtained finished product is inserted into 100-120 DEG C is dried 2 hours；By dried protection coating materials bead
It is heated to after melting, overcoat is made in cooling；By obtained overcoat around high-temperature-resistant layer periphery is wrapped in, so as to obtain fire-retardant electricity
Cable.
This flame retardant cable that the present invention is provided, not only with preferable fire retardant performance, and also high temperature resistant, tension,
Bending resistance, pliability is good, wear-resisting, there is good protective action to oxygen, high-energy radiation and poisonous metal aging, prepares simple, behaviour
Facilitate.
It is exemplified as above be only to the present invention for example, do not constitute the limitation to protection scope of the present invention, it is all
It is to be belonged to the same or analogous design of the present invention within protection scope of the present invention.
Claims (4)
1. a kind of flame retardant cable, it is characterised in that including insulated wire cores group, screen layer, enhancement layer, high-temperature-resistant layer and overcoat,
Insulated wire cores group has multigroup, and every group is formed by many insulated wire cores are stranded, and every insulated wire cores are by conductor and are coated on outside conductor
High-temperature insulating layer constitute, the screen layer is wound in insulated wire cores group periphery, and enhanced layer packets are rolled in screen layer outer surface, resistance to height
Warm layer is located at enhancement layer outer surface, and overcoat is coated on enhancement layer outer surface；The high-temperature insulating layer is common for ethylene-tetrafluoroethylene
Polymers layer；
The raw material components and weight content of the high-temperature-resistant layer are as follows：5-10 parts of mica particles, polyvinyl chloride resin powder 50-60
Part, polystyrene 30-35 parts of fat of acid, 10-15 parts of silicon rubber, 2-4 parts of antioxidant, 5-8 parts of paraffin oil, 10-15 parts of glass fibre,
5-8 parts of toughener；
The raw material components and parts by weight content of the overcoat are as follows：40-50 parts of phenolic resin, 20-30 parts of magnesium hydroxide is high
30-45 parts of density polyethylene, 2-4 parts of melamine cyanurate, 5-7 parts of aerosil, Ca/Zn compound stabilizers 5-7
Part, 2-3 parts of magnesium stearate, 5-10 parts of cerous hypophosphate, 10-15 parts of halogen-free expansion fire retardant, 5-8 parts of antimony oxide, boric acid
2-3 parts of zinc, 10-15 parts of polytetrafluoroethylene (PTFE), 3-5 parts of anti-wear agent, 5-7 parts of plasticizer；
The preparation method of the flame retardant cable, in turn includes the following steps：（1）Circular metal silk wire drawing and annealing is stranding into respectively
Conductor, by conductor first in insulated paint after dip-coating, then extrudes high-temperature insulating layer outside conductor and constitutes insulated wire cores, many insulated wires
The mutually stranded composition insulated wire cores group of core；
（2）Enhancement layer is coated in each insulated wire cores group outer surface lapped shielding layer, then in screen layer outer surface；
（3）Prepare exotic material：First according to quantity be equipped with each component material, by with the mica particles got ready, polyvinyl chloride resin powder,
Polystyrene acid fat, silicon rubber, antioxidant, glass fibre and toughener are added in mixer and stirred 20-30 minutes, are passed through simultaneously
Spray equipment sprays paraffin oil, after being sufficiently mixed uniformly, adds mixture into twin screw extruder and is molded, and to shaping
Product carries out reheating, and heating and temperature control is at 115-150 DEG C, and time control obtained exotic material between 10-30 seconds
Finished product, the drying box inside holding that exotic material finished product is inserted into 140-150 DEG C is dried 3-5 hours, then by dried resistance to height
Adiabator finished product is inserted compressing in hot press, and the temperature of hot press is 280-320 DEG C, and pressure is 15-20Mpa, so that
To high-temperature-resistant layer；By obtained high-temperature-resistant layer around being wrapped in enhancement layer periphery；
（4）Prepare protection coating materials：Each component material is first equipped with according to quantity, and phenolic resin is less than by crushing mechanism into diameter
5mm phenolic resin particle；By phenolic resin particle with matching somebody with somebody the magnesium hydroxide got ready, high density polyethylene (HDPE), melamine cyanurea
Hydrochlorate, aerosil, magnesium stearate, cerous hypophosphate, antimony oxide, Firebrake ZB and polytetrafluoroethylene (PTFE) add mixer and stirred
Mix 30-40 minutes, sent into after being sufficiently mixed in polymerization autoclave, while deionized water is added in polymerization autoclave, put into Ca/
Zn compound stabilizers, anti-wear agent and plasticizer, are warming up to 90-100 DEG C, keep constant temperature in kettle；Halogen-free expandable is added after 1-2 hours
Type fire retardant, while adding foaming agent, sealed reactor is warming up to 100-110 DEG C and is incubated, and obtains protection coating materials bead,
The drying box inside holding that obtained finished product is inserted into 100-120 DEG C is dried 2 hours；By the heating of dried protection coating materials bead
To after melting, overcoat is made in cooling；By obtained overcoat around high-temperature-resistant layer periphery is wrapped in, so as to obtain flame retardant cable.
2. a kind of flame retardant cable as claimed in claim 1, it is characterised in that the screen layer is by polyolefin and carbon black conductive
The nonmetallic screen layer that composite is made.
3. a kind of flame retardant cable as claimed in claim 1, it is characterised in that the enhancement layer is wrapped polyester belt.
4. a kind of flame retardant cable as claimed in claim 1, it is characterised in that the plasticizer is technical white oil, naphthenic oil, stone
One or more mixtures of wax oil.
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| CN110591367A (en) * | 2019-10-28 | 2019-12-20 | 苏师大半导体材料与设备研究院(邳州)有限公司 | Material for enhancing mechanical strength and flame retardance of electrical insulator |
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