CN114446534B - Power cable for engineering building and preparation method thereof - Google Patents
Power cable for engineering building and preparation method thereof Download PDFInfo
- Publication number
- CN114446534B CN114446534B CN202210142802.0A CN202210142802A CN114446534B CN 114446534 B CN114446534 B CN 114446534B CN 202210142802 A CN202210142802 A CN 202210142802A CN 114446534 B CN114446534 B CN 114446534B
- Authority
- CN
- China
- Prior art keywords
- parts
- layer
- phosphorus
- power cable
- wires
- 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
Links
- 238000002360 preparation method Methods 0.000 title claims abstract description 19
- 239000003063 flame retardant Substances 0.000 claims abstract description 26
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims abstract description 25
- 238000010276 construction Methods 0.000 claims abstract description 20
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 17
- 239000010445 mica Substances 0.000 claims abstract description 17
- 229910052618 mica group Inorganic materials 0.000 claims abstract description 17
- 239000010959 steel Substances 0.000 claims abstract description 17
- 238000009413 insulation Methods 0.000 claims abstract description 14
- 238000000034 method Methods 0.000 claims description 32
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 30
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 claims description 30
- 229910052698 phosphorus Inorganic materials 0.000 claims description 30
- 239000011574 phosphorus Substances 0.000 claims description 30
- 238000010438 heat treatment Methods 0.000 claims description 27
- 229920002943 EPDM rubber Polymers 0.000 claims description 25
- 238000001125 extrusion Methods 0.000 claims description 25
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 21
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 claims description 20
- 238000003756 stirring Methods 0.000 claims description 20
- 238000002156 mixing Methods 0.000 claims description 18
- 239000007787 solid Substances 0.000 claims description 18
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 17
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 16
- 229920001971 elastomer Polymers 0.000 claims description 16
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 claims description 15
- XMNIXWIUMCBBBL-UHFFFAOYSA-N 2-(2-phenylpropan-2-ylperoxy)propan-2-ylbenzene Chemical compound C=1C=CC=CC=1C(C)(C)OOC(C)(C)C1=CC=CC=C1 XMNIXWIUMCBBBL-UHFFFAOYSA-N 0.000 claims description 15
- HQQADJVZYDDRJT-UHFFFAOYSA-N ethene;prop-1-ene Chemical group C=C.CC=C HQQADJVZYDDRJT-UHFFFAOYSA-N 0.000 claims description 15
- GHMLBKRAJCXXBS-UHFFFAOYSA-N resorcinol Chemical compound OC1=CC=CC(O)=C1 GHMLBKRAJCXXBS-UHFFFAOYSA-N 0.000 claims description 14
- BGYHLZZASRKEJE-UHFFFAOYSA-N [3-[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxy]-2,2-bis[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxymethyl]propyl] 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical compound CC(C)(C)C1=C(O)C(C(C)(C)C)=CC(CCC(=O)OCC(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)=C1 BGYHLZZASRKEJE-UHFFFAOYSA-N 0.000 claims description 13
- 239000005038 ethylene vinyl acetate Substances 0.000 claims description 13
- 229920001911 maleic anhydride grafted polypropylene Polymers 0.000 claims description 13
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 claims description 13
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 claims description 10
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 claims description 10
- HIVGXUNKSAJJDN-UHFFFAOYSA-N [Si].[P] Chemical compound [Si].[P] HIVGXUNKSAJJDN-UHFFFAOYSA-N 0.000 claims description 10
- DOIRQSBPFJWKBE-UHFFFAOYSA-N dibutyl phthalate Chemical compound CCCCOC(=O)C1=CC=CC=C1C(=O)OCCCC DOIRQSBPFJWKBE-UHFFFAOYSA-N 0.000 claims description 10
- 238000001035 drying Methods 0.000 claims description 10
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 9
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 8
- 235000021355 Stearic acid Nutrition 0.000 claims description 8
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 claims description 8
- 150000001412 amines Chemical class 0.000 claims description 8
- 239000006229 carbon black Substances 0.000 claims description 8
- NKSJNEHGWDZZQF-UHFFFAOYSA-N ethenyl(trimethoxy)silane Chemical compound CO[Si](OC)(OC)C=C NKSJNEHGWDZZQF-UHFFFAOYSA-N 0.000 claims description 8
- 229910021485 fumed silica Inorganic materials 0.000 claims description 8
- 239000004611 light stabiliser Substances 0.000 claims description 8
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 claims description 8
- 239000000347 magnesium hydroxide Substances 0.000 claims description 8
- 229910001862 magnesium hydroxide Inorganic materials 0.000 claims description 8
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims description 8
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 claims description 8
- 239000004800 polyvinyl chloride Substances 0.000 claims description 8
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 8
- 229910052710 silicon Inorganic materials 0.000 claims description 8
- 239000010703 silicon Substances 0.000 claims description 8
- 239000008117 stearic acid Substances 0.000 claims description 8
- 238000005406 washing Methods 0.000 claims description 8
- TXFOLHZMICYNRM-UHFFFAOYSA-N dichlorophosphoryloxybenzene Chemical compound ClP(Cl)(=O)OC1=CC=CC=C1 TXFOLHZMICYNRM-UHFFFAOYSA-N 0.000 claims description 7
- LIKFHECYJZWXFJ-UHFFFAOYSA-N dimethyldichlorosilane Chemical compound C[Si](C)(Cl)Cl LIKFHECYJZWXFJ-UHFFFAOYSA-N 0.000 claims description 7
- -1 polyethylene Polymers 0.000 claims description 6
- BQCIDUSAKPWEOX-UHFFFAOYSA-N 1,1-Difluoroethene Chemical compound FC(F)=C BQCIDUSAKPWEOX-UHFFFAOYSA-N 0.000 claims description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 5
- 239000000919 ceramic Substances 0.000 claims description 5
- 238000006243 chemical reaction Methods 0.000 claims description 5
- 238000004440 column chromatography Methods 0.000 claims description 5
- 229920001577 copolymer Polymers 0.000 claims description 5
- 229910052802 copper Inorganic materials 0.000 claims description 5
- 239000010949 copper Substances 0.000 claims description 5
- UQEAIHBTYFGYIE-UHFFFAOYSA-N hexamethyldisiloxane Chemical compound C[Si](C)(C)O[Si](C)(C)C UQEAIHBTYFGYIE-UHFFFAOYSA-N 0.000 claims description 5
- 229920000092 linear low density polyethylene Polymers 0.000 claims description 5
- 239000004707 linear low-density polyethylene Substances 0.000 claims description 5
- 239000011325 microbead Substances 0.000 claims description 5
- 239000012046 mixed solvent Substances 0.000 claims description 5
- 239000012188 paraffin wax Substances 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 5
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 claims description 5
- 238000007599 discharging Methods 0.000 claims description 3
- 239000004698 Polyethylene Substances 0.000 claims description 2
- 229920002681 hypalon Polymers 0.000 claims description 2
- 229920000573 polyethylene Polymers 0.000 claims description 2
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 2
- 238000004321 preservation Methods 0.000 claims description 2
- 238000000967 suction filtration Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 claims 1
- 238000012360 testing method Methods 0.000 abstract description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 4
- 239000000463 material Substances 0.000 abstract description 4
- 229910052760 oxygen Inorganic materials 0.000 abstract description 4
- 239000001301 oxygen Substances 0.000 abstract description 4
- 230000004224 protection Effects 0.000 abstract description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 12
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 9
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 9
- 239000000806 elastomer Substances 0.000 description 7
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 6
- 238000001914 filtration Methods 0.000 description 6
- 239000011259 mixed solution Substances 0.000 description 6
- 239000007789 gas Substances 0.000 description 5
- 238000002485 combustion reaction Methods 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 4
- 239000000779 smoke Substances 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 239000002253 acid Substances 0.000 description 3
- 239000011230 binding agent Substances 0.000 description 3
- 239000013078 crystal Substances 0.000 description 3
- 239000008367 deionised water Substances 0.000 description 3
- 229910021641 deionized water Inorganic materials 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000003480 eluent Substances 0.000 description 3
- 235000019441 ethanol Nutrition 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 239000003208 petroleum Substances 0.000 description 3
- 238000010992 reflux Methods 0.000 description 3
- 238000001291 vacuum drying Methods 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 230000002401 inhibitory effect Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 229920001296 polysiloxane Polymers 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000006750 UV protection Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000003712 anti-aging effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- KPUWHANPEXNPJT-UHFFFAOYSA-N disiloxane Chemical class [SiH3]O[SiH3] KPUWHANPEXNPJT-UHFFFAOYSA-N 0.000 description 1
- 238000004870 electrical engineering Methods 0.000 description 1
- 125000004185 ester group Chemical group 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 229930195734 saturated hydrocarbon Natural products 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 239000007790 solid phase Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 238000005979 thermal decomposition reaction Methods 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 230000001988 toxicity Effects 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
- 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
-
- 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
- H01B13/22—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
- H01B13/24—Sheathing; Armouring; Screening; Applying other protective layers 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
- H01B13/22—Sheathing; Armouring; Screening; Applying other protective layers
- H01B13/24—Sheathing; Armouring; Screening; Applying other protective layers by extrusion
- H01B13/245—Sheathing; Armouring; Screening; Applying other protective layers by extrusion of metal layers
-
- 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
- H01B7/28—Protection against damage caused by moisture, corrosion, chemical attack or weather
- H01B7/2806—Protection against damage caused by corrosion
-
- 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
- H01B9/00—Power cables
- H01B9/02—Power cables with screens or conductive layers, e.g. for avoiding large potential gradients
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B9/00—Power cables
- H01B9/02—Power cables with screens or conductive layers, e.g. for avoiding large potential gradients
- H01B9/024—Power cables with screens or conductive layers, e.g. for avoiding large potential gradients composed of braided metal wire
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Organic Insulating Materials (AREA)
Abstract
The invention relates to the technical field of wires and cables, in particular to a power cable for engineering construction and a preparation method thereof, wherein the power cable comprises a cable core, an insulating layer, a shielding layer, a steel tape armor layer, a mica paper tape heat insulation layer and an outer sheath layer; the cable core comprises a plurality of hinged wires and an inner sheath layer coated on the surfaces of the wires; the outer sheath layer comprises the following components: the outer sheath layer material prepared by the invention has good mechanical property, can play a good role in protection, has high limiting oxygen index and excellent flame retardant property, and can continuously supply power for a long time when the power cable for engineering construction is burnt through testing.
Description
Technical Field
The invention relates to the technical field of wires and cables, in particular to a power cable for engineering construction and a preparation method thereof.
Background
In construction of building engineering, electrical engineering is a very critical content, so that comprehensive performance of the building engineering can be effectively improved, and normal operation of a power cable can ensure safety and stability of the building engineering.
At present, most of power cables used in building engineering are polyvinyl chloride insulated power cables, and the polyvinyl chloride insulated power cables have certain flame retardance compared with common cables, but generate a large amount of black smoke once the polyvinyl chloride insulated power cables reach a melting point to start burning, so that the power cables with higher flame retardance are extremely hindered for people in the building, and are accompanied by the generation of black smoke, a large amount of toxic and harmful gases are accompanied by the generation of black smoke, the serious toxicity and corrosiveness of the gases are main reasons for death of people in building fire, and in addition, the strong corrosiveness of the harmful gases corrodes other cable sheaths, so that chain reaction is caused, larger-scale fire is induced, and secondary disasters are caused.
Disclosure of Invention
The invention aims to: the invention provides a power cable for engineering construction and a preparation method thereof.
The technical scheme adopted is as follows:
The power cable for engineering construction comprises a cable core, an insulating layer, a shielding layer, a steel tape armor layer, a mica paper tape heat insulation layer and an outer sheath layer;
The cable core comprises a plurality of hinged wires and an inner sheath layer coated on the surfaces of the wires;
the outer sheath layer comprises the following components:
Acrylate rubber, OV-POSS modified ethylene propylene diene monomer rubber, ethylene-vinyl acetate copolymer, carbon black, nanometer fumed silica, dicumyl peroxide, magnesium hydroxide, aluminum hydroxide, phosphorus-containing organosilicon flame retardant, stearic acid, maleic anhydride grafted polypropylene, hindered amine light stabilizer and antioxidant 1010.
Further, the outer sheath layer comprises the following components in parts by weight:
30-35 parts of acrylate rubber, 5-10 parts of OV-POSS modified ethylene propylene diene monomer rubber, 10-15 parts of ethylene-vinyl acetate copolymer, 4-6 parts of carbon black, 5-10 parts of nanometer fumed silica, 0.1-0.5 part of dicumyl peroxide, 20-25 parts of magnesium hydroxide, 20-25 parts of aluminum hydroxide, 4-8 parts of phosphorus-containing organic silicon flame retardant, 0.1-0.5 part of stearic acid, 0.1-0.5 part of maleic anhydride grafted polypropylene, 0.1-0.5 part of hindered amine light stabilizer and 0.1-0.5 part of antioxidant 1010.
Further, the preparation method of the OV-POSS modified ethylene propylene diene monomer rubber comprises the following steps:
S1: adding vinyl trimethoxy silane into an absolute ethyl alcohol/water mixed solvent, stirring uniformly, adding hydrochloric acid to adjust the pH of the system to 2-3, heating to 55-60 ℃ for reaction for 45-50h, recovering room temperature, carrying out suction filtration, and drying the obtained solid to obtain OV-POSS;
S2: adding ethylene propylene diene monomer and OV-POSS into a torque rheometer, mixing for 5-10min at 80-90 ℃, adding dicumyl peroxide, mixing for 10-20min, heating the torque rheometer to 160-170 ℃, continuously mixing for 10-20min, and stopping discharging.
Further, the mass ratio of the ethylene propylene diene monomer to the OV-POSS to the dicumyl peroxide is 1000-1200:70-100:1.
Further, the preparation method of the phosphorus-containing organic silicon flame retardant comprises the following steps:
s1: adding triethylamine and resorcinol into dimethylbenzene, stirring and heating to 100-120 ℃, dropwise adding phenyl dichlorophosphate, keeping the temperature for reaction for 10-15h after the dripping, distilling under reduced pressure to remove the dimethylbenzene, and purifying by using a solid column chromatography to obtain a phosphorus-containing intermediate;
S2: adding triethylamine and a phosphorus-containing intermediate into dioxane, dropwise adding dimethyl dichlorosilane while stirring, heating to 80-100 ℃ after dripping, and reacting for 20-25h under heat preservation to obtain a silicon-phosphorus-containing intermediate;
s3: adding silicon-phosphorus intermediate and water into dioxane, heating to 80-90 ℃, stirring and reacting for 10-15h, adding hexamethyldisiloxane for end sealing, distilling under reduced pressure to remove dioxane, washing the obtained solid with water and tetrahydrofuran in sequence, and finally drying in vacuum.
Further, the molar ratio of resorcinol to phenyl dichlorophosphate in S1 is 2-2.1:1, a step of;
The mole ratio of the phosphorus-containing intermediate and the dimethyldichlorosilane in the S2 is 1:1-1.1.
Further, the shielding layer is a double-layer structure formed by uniformly arranging a plurality of copper wires and lead layers.
Further, the insulating layer comprises the following components in parts by weight:
30-40 parts of linear low-density polyethylene, 10-20 parts of ethylene-vinyl acetate copolymer, 10-20 parts of vinylidene fluoride and chlorotrifluoroethylene copolymer, 20-25 parts of hollow ceramic microbeads, 0.5-1 part of dibutyl phthalate, 0.1-0.5 part of maleic anhydride grafted polypropylene, 1-2 parts of microcrystalline paraffin and 0.1-0.2 part of antioxidant 1010.
Further, the inner sheath layer is any one of polyethylene, polyvinyl chloride, chlorosulfonated polyethylene and polytetrafluoroethylene.
The invention also discloses a preparation method of the power cable for engineering construction, which comprises the following steps:
And forming an inner sheath layer outside a plurality of uniformly arranged wires by adopting an extrusion process to obtain cable cores, forming an insulating layer outside a plurality of cable cores by adopting the extrusion process, forming a shielding layer outside the insulating layer by adopting the extrusion process, forming a steel tape armor layer outside the shielding layer by adopting the extrusion process, forming a mica paper tape heat insulation layer outside the steel tape armor layer by adopting the wrapping process, and finally forming an outer sheath layer outside the mica paper tape heat insulation layer by adopting the extrusion process.
The invention has the beneficial effects that:
The invention provides a power cable for engineering construction, wherein an outer sheath layer is positioned outside the power cable and plays a main role in protection, acrylate rubber in the outer sheath layer component is an elastomer obtained by copolymerizing acrylate as a main monomer, a main chain of the elastomer is a saturated carbon chain, side groups are polar ester groups, and the special structure gives a lot of excellent characteristics to the elastomer, such as heat resistance, aging resistance, oil resistance, ozone resistance, ultraviolet resistance and the like, the mechanical property and the processability are excellent, the ethylene propylene diene monomer main chain is composed of chemically stable saturated hydrocarbon, unsaturated double bonds are only contained in side chains, so that the anti-aging performance of the elastomer is excellent, ozone resistance, heat resistance, weather resistance and the like, POSS is used as one of silicon flame retardants, a ceramic-like silicon oxide heat insulation layer is formed on the surface of the elastomer through a solid-phase flame retardant polymer after the whole combustion cracking process, the elastomer has a more compact structure than a common carbon layer, and plays a role in isolating oxygen and heat to the outside, but can reduce heat of heat radiation, reduce surface temperature, can also reduce diffusion of combustible gas generated by thermal degradation in the vicinity of a matrix, further inhibit diffusion of the flame retardant gas, thereby inhibiting further combustion of the ethylene propylene diene monomer, heat resistance, and the thermal decomposition of the elastomer can be well contained in the flame retardant, and has a good flame retardant effect, and has a secondary absorption performance, and high thermal stability, and moisture absorption performance, and high stability, and high absorption performance, and stability The phosphorus-containing organic silicon flame retardant contains a siloxane structure, when the phosphorus-containing organic silicon flame retardant burns, siloxane often migrates to the surface of a polymer to form a high molecular gradient material with a polysiloxane enrichment layer on the surface so as to achieve the flame retardant effect, and a composite heat insulation layer generated by the OV-POSS modified ethylene propylene diene monomer rubber and the phosphorus-containing organic silicon flame retardant when the phosphorus-containing organic silicon flame retardant burns can play a role in synergy, so that heat is jointly insulated, the smoke quantity is reduced, the burning is inhibited, the effect of inhibiting the burning is achieved.
Drawings
FIG. 1 is a schematic view of a power cable for engineering construction according to the present invention;
FIG. 2 is a schematic diagram of a cable core;
The reference numerals in the figures represent:
1-a cable core; 101-conducting wires; 102-conducting wires; 2-an insulating layer; 3-a shielding layer; 4-a steel tape armor layer; 5-mica paper tape heat insulation layer; 6-an outer sheath layer.
Detailed Description
The specific conditions are not noted in the examples and are carried out according to conventional conditions or conditions recommended by the manufacturer. The reagents or apparatus used were conventional products commercially available without the manufacturer's attention.
Example 1:
Referring to fig. 1, an engineering construction power cable comprises a cable core (1), an insulating layer (2), a shielding layer (3), a steel tape armor layer (4), a mica paper tape insulating layer (5) and an outer sheath layer (6);
the cable core (1) comprises a plurality of hinged wires (101) and an inner sheath layer (102) which is coated on the surfaces of the wires and made of polyvinyl chloride;
The insulating layer (2) comprises the following components:
35 parts of linear low-density polyethylene, 20 parts of ethylene-vinyl acetate copolymer, 15 parts of vinylidene fluoride and chlorotrifluoroethylene copolymer, 20 parts of hollow ceramic microbeads, 0.5 part of dibutyl phthalate, 0.2 part of maleic anhydride grafted polypropylene, 1 part of microcrystalline paraffin and 0.2 part of antioxidant 1010.
The shielding layer (3) is a double-layer structure formed by uniformly arranging a plurality of copper wires and lead layers.
The outer sheath layer (6) comprises the following components in parts by weight:
35 parts of acrylate rubber, 10 parts of OV-POSS modified ethylene propylene diene monomer, 10 parts of ethylene-vinyl acetate copolymer, 5 parts of carbon black, 10 parts of nanometer fumed silica, 0.5 part of dicumyl peroxide, 25 parts of magnesium hydroxide, 20 parts of aluminum hydroxide, 5 parts of phosphorus-containing organosilicon flame retardant, 0.5 part of stearic acid, 0.5 part of maleic anhydride grafted polypropylene, 0.2 part of hindered amine light stabilizer and 0.5 part of antioxidant 1010.
The preparation method of the OV-POSS modified ethylene propylene diene monomer rubber comprises the following steps:
Dissolving vinyltrimethoxysilane (68.9 mL,0.45 mol) in acetone (675 mL), uniformly mixing, dropwise adding a mixed solution of concentrated hydrochloric acid (112.5 mL) and deionized water (129.6 mL), refluxing at 40 ℃ for 48h to obtain white solid particles, filtering and washing with ethanol, recrystallizing with a mixed solution of dichloromethane and acetone (volume ratio of 1:3), vacuum-drying at 60 ℃ to obtain white crystals, namely OVi-POSS, wherein the yield is 24.7%, adding vinyltrimethoxysilane (689 mL,4.5 mol) into 6.75L of an absolute ethyl alcohol/water mixed solvent (absolute ethyl alcohol, water volume ratio of 1:1), stirring uniformly, adding 10% hydrochloric acid with mass fraction to adjust the pH value to 2, heating to 60 ℃ for reacting for 45h, recovering room temperature, suction-filtering, drying the obtained solid to obtain OV-POSS, obtaining the yield of 27.2%, adding 100g of ethylene propylene diene monomer rubber and 80: 80gOV-POSS into a torque rheometer for 10min, adding 0.1g of dicumyl peroxide into the rheometer for 15min, heating to the rheometer for mixing, and stopping mixing until the mixer is stopped at 170 ℃ for 15 min.
The preparation method of the phosphorus-containing organosilicon flame retardant comprises the following steps:
Adding 110g of resorcinol and 5mL of triethylamine serving as an acid binding agent into 1.1L of dimethylbenzene, stirring and heating to 120 ℃, dropwise adding 105.5g of phenyl dichlorophosphate, reacting for 12 hours after dropwise adding, preserving heat, distilling under reduced pressure to remove the dimethylbenzene, purifying the obtained solid by column chromatography (eluent petroleum ether: ethyl acetate=1:1) to obtain a phosphorus-containing intermediate, adding 5mL of triethylamine and 100g of the phosphorus-containing intermediate into 500mL of dioxane, stirring and dropwise adding 36g of dimethyl dichlorosilane, heating to 90 ℃ after dropwise adding, and reacting for 24 hours after dropwise adding, thereby obtaining the silicon-phosphorus-containing intermediate; adding 50g of silicon-phosphorus-containing intermediate and water into dioxane, heating to 90 ℃, stirring and reacting for 15h, adding a proper amount of hexamethyldisiloxane for end sealing, decompressing and distilling to remove dioxane, washing the obtained solid with water and tetrahydrofuran in sequence, and finally drying in vacuum.
The invention also discloses a preparation method of the power cable for engineering construction, which comprises the following steps:
and forming an inner sheath layer (102) outside a plurality of uniformly arranged wires by adopting an extrusion process to obtain cable cores (1), forming an insulating layer (2) outside a plurality of cable cores (1) by adopting the extrusion process, forming a shielding layer (3) outside the insulating layer (2) by adopting the extrusion process, forming a steel tape armor layer (4) outside the shielding layer (3) by adopting the extrusion process, forming a mica paper tape heat insulation layer (5) outside the steel tape armor layer (4) by adopting the wrapping process, and finally forming an outer sheath layer (6) outside the mica paper tape heat insulation layer (5) by adopting the extrusion process.
Example 2:
Referring to fig. 1, an engineering construction power cable comprises a cable core (1), an insulating layer (2), a shielding layer (3), a steel tape armor layer (4), a mica paper tape insulating layer (5) and an outer sheath layer (6);
the cable core (1) comprises a plurality of hinged wires (101) and an inner sheath layer (102) which is coated on the surfaces of the wires and made of polyvinyl chloride;
The insulating layer (2) comprises the following components:
40 parts of linear low-density polyethylene, 20 parts of ethylene-vinyl acetate copolymer, 20 parts of vinylidene fluoride and chlorotrifluoroethylene copolymer, 25 parts of hollow ceramic microbeads, 1 part of dibutyl phthalate, 0.5 part of maleic anhydride grafted polypropylene, 2 parts of microcrystalline paraffin and 0.2 part of antioxidant 1010.
The shielding layer (3) is a double-layer structure formed by uniformly arranging a plurality of copper wires and lead layers.
The outer sheath layer (6) comprises the following components in parts by weight:
35 parts of acrylate rubber, 10 parts of OV-POSS modified ethylene propylene diene monomer, 15 parts of ethylene-vinyl acetate copolymer, 6 parts of carbon black, 10 parts of nanometer fumed silica, 0.5 part of dicumyl peroxide, 25 parts of magnesium hydroxide, 25 parts of aluminum hydroxide, 8 parts of phosphorus-containing organosilicon flame retardant, 0.5 part of stearic acid, 0.5 part of maleic anhydride grafted polypropylene, 0.5 part of hindered amine light stabilizer and 0.5 part of antioxidant 1010.
The preparation method of the OV-POSS modified ethylene propylene diene monomer rubber comprises the following steps:
Dissolving vinyltrimethoxysilane (68.9 mL,0.45 mol) in acetone (675 mL), uniformly mixing, dropwise adding a mixed solution of concentrated hydrochloric acid (112.5 mL) and deionized water (129.6 mL), refluxing at 40 ℃ for 48h to obtain white solid particles, filtering and washing with ethanol, recrystallizing with a mixed solution of dichloromethane and acetone (volume ratio of 1:3), vacuum-drying at 60 ℃ to obtain white crystals, namely OVi-POSS, wherein the yield is 24.7%, adding vinyltrimethoxysilane (689 mL,4.5 mol) into 6.75L of an absolute ethyl alcohol/water mixed solvent (absolute ethyl alcohol, water volume ratio of 1:1), stirring uniformly, adding 10% hydrochloric acid with mass fraction to adjust the pH to 3, heating to 60 ℃, reacting for 50h, recovering room temperature, suction-filtering, drying the obtained solid to obtain OV-POSS, adding 100g of ethylene propylene diene monomer rubber and 80-gOV into a torque rheometer, mixing for 10min at 90 ℃, adding 0.1g of diisopropylbenzene peroxide into the rheometer, heating to a mixer for 20min, heating to a mixing torque rheometer, and stopping mixing for 20min, and stopping mixing until the mixer is finished.
The preparation method of the phosphorus-containing organosilicon flame retardant comprises the following steps:
Adding 110g of resorcinol and 5mL of triethylamine serving as an acid binding agent into 1.1L of dimethylbenzene, stirring and heating to 120 ℃, dropwise adding 105.5g of phenyl dichlorophosphate, reacting for 15 hours after dropwise adding, preserving heat, distilling under reduced pressure to remove the dimethylbenzene, purifying the obtained solid by column chromatography (eluent petroleum ether: ethyl acetate=1:1) to obtain a phosphorus-containing intermediate, adding 5mL of triethylamine and 100g of the phosphorus-containing intermediate into 500mL of dioxane, stirring and dropwise adding 36g of dimethyl dichlorosilane, heating to 100 ℃ after dropwise adding, and reacting for 25 hours after dropwise adding, thereby obtaining the silicon-phosphorus-containing intermediate; adding 50g of silicon-phosphorus-containing intermediate and water into dioxane, heating to 90 ℃, stirring and reacting for 15h, adding a proper amount of hexamethyldisiloxane for end sealing, decompressing and distilling to remove dioxane, washing the obtained solid with water and tetrahydrofuran in sequence, and finally drying in vacuum.
The invention also discloses a preparation method of the power cable for engineering construction, which comprises the following steps:
and forming an inner sheath layer (102) outside a plurality of uniformly arranged wires by adopting an extrusion process to obtain cable cores (1), forming an insulating layer (2) outside a plurality of cable cores (1) by adopting the extrusion process, forming a shielding layer (3) outside the insulating layer (2) by adopting the extrusion process, forming a steel tape armor layer (4) outside the shielding layer (3) by adopting the extrusion process, forming a mica paper tape heat insulation layer (5) outside the steel tape armor layer (4) by adopting the wrapping process, and finally forming an outer sheath layer (6) outside the mica paper tape heat insulation layer (5) by adopting the extrusion process.
Example 3:
Referring to fig. 1, an engineering construction power cable comprises a cable core (1), an insulating layer (2), a shielding layer (3), a steel tape armor layer (4), a mica paper tape insulating layer (5) and an outer sheath layer (6);
the cable core (1) comprises a plurality of hinged wires (101) and an inner sheath layer (102) which is coated on the surfaces of the wires and made of polyvinyl chloride;
The insulating layer (2) comprises the following components:
30 parts of linear low-density polyethylene, 10 parts of ethylene-vinyl acetate copolymer, 10 parts of vinylidene fluoride and chlorotrifluoroethylene copolymer, 20 parts of hollow ceramic microbeads, 0.5 part of dibutyl phthalate, 0.1 part of maleic anhydride grafted polypropylene, 1 part of microcrystalline paraffin and 0.1 part of antioxidant 1010.
The shielding layer (3) is a double-layer structure formed by uniformly arranging a plurality of copper wires and lead layers.
The outer sheath layer (6) comprises the following components in parts by weight:
30 parts of acrylate rubber, 5 parts of OV-POSS modified ethylene propylene diene monomer rubber, 10 parts of ethylene-vinyl acetate copolymer, 4 parts of carbon black, 5 parts of nanometer fumed silica, 0.1 part of dicumyl peroxide, 20 parts of magnesium hydroxide, 20 parts of aluminum hydroxide, 4 parts of phosphorus-containing organosilicon flame retardant, 0.1 part of stearic acid, 0.1 part of maleic anhydride grafted polypropylene, 0.1 part of hindered amine light stabilizer and 0.1 part of antioxidant 1010.
The preparation method of the OV-POSS modified ethylene propylene diene monomer rubber comprises the following steps:
Dissolving vinyltrimethoxysilane (68.9 mL,0.45 mol) in acetone (675 mL), uniformly mixing, dropwise adding a mixed solution of concentrated hydrochloric acid (112.5 mL) and deionized water (129.6 mL), refluxing at 40 ℃ for 48h to obtain white solid particles, filtering and washing with ethanol, recrystallizing with a mixed solution of dichloromethane and acetone (volume ratio of 1:3), vacuum-drying at 60 ℃ to obtain white crystals, namely OVi-POSS, wherein the yield is 24.7%, adding vinyltrimethoxysilane (689 mL,4.5 mol) into 6.75L of an absolute ethyl alcohol/water mixed solvent (absolute ethyl alcohol, water volume ratio of 1:1), stirring uniformly, adding 10% hydrochloric acid with mass fraction to adjust the pH to 2, heating to 55 ℃ for reacting for 45h, recovering room temperature, suction-filtering, drying the obtained solid to obtain OV-POSS, adding 100g of ethylene propylene diene monomer rubber and 80gOV-POSS into a torque rheometer, mixing for 5min at 80 ℃, adding 0.1g of diisopropylbenzene peroxide into the rheometer, heating to a mixer for 10min, heating to 160 ℃ for continuous mixing, and stopping mixing until the mixer is finished, and discharging after the mixer is stopped.
The preparation method of the phosphorus-containing organosilicon flame retardant comprises the following steps:
Adding 110g of resorcinol and 5mL of triethylamine serving as an acid binding agent into 1.1L of dimethylbenzene, stirring and heating to 100 ℃, dropwise adding 105.5g of phenyl dichlorophosphate, reacting for 10 hours after dropwise adding, preserving heat, distilling under reduced pressure to remove the dimethylbenzene, purifying the obtained solid by column chromatography (eluent petroleum ether: ethyl acetate=1:1) to obtain a phosphorus-containing intermediate, adding 5mL of triethylamine and 100g of the phosphorus-containing intermediate into 500mL of dioxane, stirring and dropwise adding 36g of dimethyl dichlorosilane, heating to 80 ℃ after dropwise adding, and reacting for 20 hours after dropwise adding, thereby obtaining the silicon-phosphorus-containing intermediate; adding 50g of silicon-phosphorus-containing intermediate and water into dioxane, heating to 80 ℃, stirring and reacting for 10 hours, adding a proper amount of hexamethyldisiloxane for end sealing, distilling under reduced pressure to remove dioxane, washing the obtained solid with water and tetrahydrofuran in sequence, and finally drying in vacuum.
The invention also discloses a preparation method of the power cable for engineering construction, which comprises the following steps:
and forming an inner sheath layer (102) outside a plurality of uniformly arranged wires by adopting an extrusion process to obtain cable cores (1), forming an insulating layer (2) outside a plurality of cable cores (1) by adopting the extrusion process, forming a shielding layer (3) outside the insulating layer (2) by adopting the extrusion process, forming a steel tape armor layer (4) outside the shielding layer (3) by adopting the extrusion process, forming a mica paper tape heat insulation layer (5) outside the steel tape armor layer (4) by adopting the wrapping process, and finally forming an outer sheath layer (6) outside the mica paper tape heat insulation layer (5) by adopting the extrusion process.
Example 4:
substantially the same as in example 1, except that the outer sheath layer (6) comprises the following composition in parts by weight:
35 parts of acrylate rubber, 5 parts of OV-POSS modified ethylene propylene diene monomer, 15 parts of ethylene-vinyl acetate copolymer, 4 parts of carbon black, 10 parts of nanometer fumed silica, 0.1 part of dicumyl peroxide, 25 parts of magnesium hydroxide, 20 parts of aluminum hydroxide, 8 parts of phosphorus-containing organosilicon flame retardant, 0.1 part of stearic acid, 0.5 part of maleic anhydride grafted polypropylene, 0.1 part of hindered amine light stabilizer and 0.5 part of antioxidant 1010.
Example 5:
substantially the same as in example 1, except that the outer sheath layer (6) comprises the following composition in parts by weight:
30 parts of acrylate rubber, 10 parts of OV-POSS modified ethylene propylene diene monomer rubber, 10 parts of ethylene-vinyl acetate copolymer, 6 parts of carbon black, 5 parts of nanometer fumed silica, 0.5 part of dicumyl peroxide, 20 parts of magnesium hydroxide, 25 parts of aluminum hydroxide, 4 parts of phosphorus-containing organosilicon flame retardant, 0.5 part of stearic acid, 0.1 part of maleic anhydride grafted polypropylene, 0.5 part of hindered amine light stabilizer and 0.1 part of antioxidant 1010.
Comparative example 1
Substantially the same as in example 1, except that the OV-POSS modified ethylene propylene diene monomer in the outer jacket layer (6) was replaced with an equal mass of ethylene propylene diene monomer.
Comparative example 2
Substantially the same as in example 1, except that the phosphorus-containing silicone flame retardant was not added.
Performance test:
According to the GB 12666.6-1990 wire and cable combustion test method, the power cables for engineering construction prepared in the examples 1-5 and the comparative examples 1-2 are subjected to combustion tests, and flame duration power supply time is recorded respectively;
the test results are shown in table 1 below:
Table 1:
taking the outer sheath layer (6) materials prepared in the examples 1-5 and the comparative examples 1-2 of the invention as samples, and testing the mechanical properties of the samples according to GB/T7594-1987, GB/T5013-2008 and GB/T2951-2008 standards;
Limiting Oxygen Index (LOI) of test specimens according to GB/T2406-1993 standard;
The test results are shown in table 2 below:
Table 2:
From tables 1 and 2, the outer sheath material prepared by the invention has good mechanical properties, can play a good role in protection, has high limiting oxygen index and excellent flame retardant property, and can continuously supply power for a long time when the power cable burns.
The above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (5)
1. The power cable for engineering construction is characterized by comprising a cable core, an insulating layer, a shielding layer, a steel tape armor layer, a mica paper tape heat insulation layer and an outer sheath layer;
The cable core comprises a plurality of hinged wires and an inner sheath layer coated on the surfaces of the wires;
The outer sheath layer comprises the following components in parts by weight:
30-35 parts of acrylate rubber, 5-10 parts of OV-POSS modified ethylene propylene diene monomer rubber, 10-15 parts of ethylene-vinyl acetate copolymer, 4-6 parts of carbon black, 5-10 parts of nanometer fumed silica, 0.1-0.5 part of dicumyl peroxide, 20-25 parts of magnesium hydroxide, 20-25 parts of aluminum hydroxide, 4-8 parts of phosphorus-containing organic silicon flame retardant, 0.1-0.5 part of stearic acid, 0.1-0.5 part of maleic anhydride grafted polypropylene, 0.1-0.5 part of hindered amine light stabilizer and 0.1-0.5 part of antioxidant 1010;
The preparation method of the OV-POSS modified ethylene propylene diene monomer rubber comprises the following steps:
S1: adding vinyl trimethoxy silane into an absolute ethyl alcohol/water mixed solvent, stirring uniformly, adding hydrochloric acid to adjust the pH of the system to 2-3, heating to 55-60 ℃ for reaction for 45-50h, recovering room temperature, carrying out suction filtration, and drying the obtained solid to obtain OV-POSS;
S2: adding ethylene propylene diene monomer and OV-POSS into a torque rheometer, mixing for 5-10min at 80-90 ℃, adding dicumyl peroxide, mixing for 10-20min, heating the torque rheometer to 160-170 ℃, continuously mixing for 10-20min, and stopping discharging;
the mass ratio of the ethylene propylene diene monomer to the OV-POSS to the dicumyl peroxide is 1000-1200:70-100:1, a step of;
The preparation method of the phosphorus-containing organosilicon flame retardant comprises the following steps:
s1: adding triethylamine and resorcinol into dimethylbenzene, stirring and heating to 100-120 ℃, dropwise adding phenyl dichlorophosphate, keeping the temperature for reaction for 10-15h after the dripping, distilling under reduced pressure to remove the dimethylbenzene, and purifying by using a solid column chromatography to obtain a phosphorus-containing intermediate;
S2: adding triethylamine and a phosphorus-containing intermediate into dioxane, dropwise adding dimethyl dichlorosilane while stirring, heating to 80-100 ℃ after dripping, and reacting for 20-25h under heat preservation to obtain a silicon-phosphorus-containing intermediate;
S3: adding silicon-phosphorus-containing intermediate and water into dioxane, heating to 80-90 ℃, stirring and reacting for 10-15h, adding hexamethyldisiloxane for end sealing, distilling under reduced pressure to remove dioxane, washing the obtained solid with water and tetrahydrofuran in sequence, and finally drying in vacuum;
the insulating layer comprises the following components in parts by weight:
30-40 parts of linear low-density polyethylene, 10-20 parts of ethylene-vinyl acetate copolymer, 10-20 parts of vinylidene fluoride and chlorotrifluoroethylene copolymer, 20-25 parts of hollow ceramic microbeads, 0.5-1 part of dibutyl phthalate, 0.1-0.5 part of maleic anhydride grafted polypropylene, 1-2 parts of microcrystalline paraffin and 0.1-0.2 part of antioxidant 1010.
2. The power cable for engineering construction according to claim 1, wherein the molar ratio of resorcinol to phenyl dichlorophosphate in S1 is2 to 2.1:1, a step of;
The mole ratio of the phosphorus-containing intermediate and the dimethyldichlorosilane in the S2 is 1:1-1.1.
3. The power cable for engineering construction according to claim 1, wherein the shielding layer has a double-layer structure formed by uniformly arranging a plurality of copper wires and lead layers.
4. The power cable for engineering construction according to claim 1, wherein the inner sheath layer is any one of polyethylene, polyvinyl chloride, chlorosulfonated polyethylene, and polytetrafluoroethylene.
5. A method for manufacturing an engineering building power cable according to any one of claims 1-4, wherein an inner sheath layer is formed outside a plurality of uniformly arranged wires by an extrusion process, a cable core is obtained, an insulating layer is formed outside a plurality of cable cores by an extrusion process, a shielding layer is formed outside the insulating layer by an extrusion process, a steel tape armor layer is formed outside the shielding layer by an extrusion process, a mica paper tape insulating layer is formed outside the steel tape armor layer by a wrapping process, and an outer sheath layer is formed outside the mica paper tape insulating layer by an extrusion process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210142802.0A CN114446534B (en) | 2022-02-16 | 2022-02-16 | Power cable for engineering building and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210142802.0A CN114446534B (en) | 2022-02-16 | 2022-02-16 | Power cable for engineering building and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114446534A CN114446534A (en) | 2022-05-06 |
| CN114446534B true CN114446534B (en) | 2024-05-03 |
Family
ID=81373841
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210142802.0A Active CN114446534B (en) | 2022-02-16 | 2022-02-16 | Power cable for engineering building and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114446534B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114927279B (en) * | 2022-06-01 | 2023-03-31 | 湖南湘江电缆有限公司 | High-temperature-resistant waterproof environment-friendly cable |
| CN115322468B (en) * | 2022-09-08 | 2023-09-19 | 江苏大地电缆有限公司 | Low-smoke halogen-free flame-retardant power cable |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010059411A (en) * | 2008-08-05 | 2010-03-18 | Bridgestone Corp | Amino alkoxy modified silsesquioxanes with little generation of volatile organic material in silica-filled rubber |
| CN101942094A (en) * | 2010-07-28 | 2011-01-12 | 杭州师范大学 | Method for preparing phosphorus-containing organic silicon flame retardant agent |
| CN102610305A (en) * | 2012-02-29 | 2012-07-25 | 广州凯恒特种电线电缆有限公司 | Photovoltaic cable and manufacturing method and application thereof |
| CN103483670A (en) * | 2013-10-10 | 2014-01-01 | 长园集团股份有限公司 | 150 DEG C high-flame-retardant halogen-free red phosphorus-free modified material |
| CN205028715U (en) * | 2015-10-21 | 2016-02-10 | 浙江五丰电缆有限公司 | Novel flame resistant cable |
| CN106298021A (en) * | 2016-10-27 | 2017-01-04 | 河北华伦线缆有限公司 | Mesohigh mineral fire-retardant fireproof cable and production method thereof |
| CN106751038A (en) * | 2017-01-11 | 2017-05-31 | 合肥英索莱特新材料科技有限公司 | Based on EP rubbers electrical insulating material |
| CN107892777A (en) * | 2017-08-25 | 2018-04-10 | 湖北航天化学技术研究所 | Polyhedral oligomeric silsesquioxane modified epdm rubber and preparation method thereof |
| CN108384129A (en) * | 2018-04-10 | 2018-08-10 | 湖北航天化学技术研究所 | A kind of resistance to ablation EPDM rubber insulation of polyhedral oligomeric silsesquioxane filling |
| JP2018203949A (en) * | 2017-06-08 | 2018-12-27 | 住友電気工業株式会社 | Flame retardant resin composition, insulation wire, and cable |
| CN112063048A (en) * | 2020-09-02 | 2020-12-11 | 上海金发科技发展有限公司 | Low-dielectric high-melt-strength flame-retardant polypropylene material and preparation method thereof |
| WO2021129217A1 (en) * | 2019-12-27 | 2021-07-01 | 江苏达胜高聚物股份有限公司 | Low-smoke and halogen-free building wire and cable material, and preparation method therefor |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102013210902A1 (en) * | 2013-02-13 | 2014-08-14 | Floridienne S.A. | Flame retardant composition |
| CA3068492A1 (en) * | 2017-06-29 | 2019-01-03 | Dow Global Technologies Llc | Polyolefin composition |
-
2022
- 2022-02-16 CN CN202210142802.0A patent/CN114446534B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010059411A (en) * | 2008-08-05 | 2010-03-18 | Bridgestone Corp | Amino alkoxy modified silsesquioxanes with little generation of volatile organic material in silica-filled rubber |
| CN101942094A (en) * | 2010-07-28 | 2011-01-12 | 杭州师范大学 | Method for preparing phosphorus-containing organic silicon flame retardant agent |
| CN102610305A (en) * | 2012-02-29 | 2012-07-25 | 广州凯恒特种电线电缆有限公司 | Photovoltaic cable and manufacturing method and application thereof |
| CN103483670A (en) * | 2013-10-10 | 2014-01-01 | 长园集团股份有限公司 | 150 DEG C high-flame-retardant halogen-free red phosphorus-free modified material |
| CN205028715U (en) * | 2015-10-21 | 2016-02-10 | 浙江五丰电缆有限公司 | Novel flame resistant cable |
| CN106298021A (en) * | 2016-10-27 | 2017-01-04 | 河北华伦线缆有限公司 | Mesohigh mineral fire-retardant fireproof cable and production method thereof |
| CN106751038A (en) * | 2017-01-11 | 2017-05-31 | 合肥英索莱特新材料科技有限公司 | Based on EP rubbers electrical insulating material |
| JP2018203949A (en) * | 2017-06-08 | 2018-12-27 | 住友電気工業株式会社 | Flame retardant resin composition, insulation wire, and cable |
| CN107892777A (en) * | 2017-08-25 | 2018-04-10 | 湖北航天化学技术研究所 | Polyhedral oligomeric silsesquioxane modified epdm rubber and preparation method thereof |
| CN108384129A (en) * | 2018-04-10 | 2018-08-10 | 湖北航天化学技术研究所 | A kind of resistance to ablation EPDM rubber insulation of polyhedral oligomeric silsesquioxane filling |
| WO2021129217A1 (en) * | 2019-12-27 | 2021-07-01 | 江苏达胜高聚物股份有限公司 | Low-smoke and halogen-free building wire and cable material, and preparation method therefor |
| CN112063048A (en) * | 2020-09-02 | 2020-12-11 | 上海金发科技发展有限公司 | Low-dielectric high-melt-strength flame-retardant polypropylene material and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 杜作栋.有机硅化学.北京：高等教育出版社,1990,第220-221页. * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114446534A (en) | 2022-05-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN114446534B (en) | Power cable for engineering building and preparation method thereof | |
| US3922442A (en) | Flame retardant compositions | |
| CN112500707B (en) | Efficient flame-retardant silicone rubber and preparation method and application thereof | |
| CN109161073A (en) | A kind of ageing-resistant anti-ballistic materials and preparation method thereof and cable protection pipe obtained | |
| CN112679961A (en) | Special material for high-strength flame-retardant cable and preparation method thereof | |
| CN111681832A (en) | Processing method of fireproof cable | |
| GB2156825A (en) | Flame-retardant cross-linked composition and flame-retardant cable using same | |
| CN110684358A (en) | Filling foaming encapsulation silica gel for new energy power battery, preparation method and application | |
| CN114702742A (en) | Flame-retardant polyethylene cable material for electric wires and cables | |
| CN107316691A (en) | A kind of radiation proof flame-retardant composite fireproof cable | |
| GB2119387A (en) | Flame retardant crosslinked polyolefin insulation material | |
| CN112898688A (en) | Medium-low voltage grade halogen-free flame-retardant ethylene propylene rubber insulating material and preparation method thereof | |
| CN116970228A (en) | Low-smoke halogen-free environment-friendly household cable | |
| CN115521547A (en) | Insulating rubber cable material and preparation process thereof | |
| CN116855089A (en) | High-performance flame-retardant heat-insulating mica material and application thereof | |
| CN112466536B (en) | Jet flame and hydrocarbon flame resistant medium-voltage cable for offshore oil platform and manufacturing method thereof | |
| KR100874596B1 (en) | Fabricating method for hffr(halogen free flame retardent) cable and compounds of the same | |
| RU2285306C2 (en) | Fire-resistant self-quenching cable or wire | |
| RU2249869C1 (en) | Oil-, gasoline-, fire-, and frost-resistant rubber-insulated electric drive | |
| CN117316512B (en) | Silicon rubber high-temperature-resistant cable and preparation method thereof | |
| CN117534915B (en) | Halogen-free low-smoke flame-retardant cable sheath, preparation method thereof and cable comprising sheath | |
| CN117936177B (en) | Mineral cable and preparation method thereof | |
| CN114927279B (en) | High-temperature-resistant waterproof environment-friendly cable | |
| JP7552399B2 (en) | Resin composition, electric wire, and cable | |
| CN116199967B (en) | Silane crosslinked oil-resistant cable sheath material for ship |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |