CN114429842A - Preparation method of compact cable with steel core - Google Patents
Preparation method of compact cable with steel core Download PDFInfo
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- CN114429842A CN114429842A CN202210200866.1A CN202210200866A CN114429842A CN 114429842 A CN114429842 A CN 114429842A CN 202210200866 A CN202210200866 A CN 202210200866A CN 114429842 A CN114429842 A CN 114429842A
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 163
- 239000010959 steel Substances 0.000 title claims abstract description 163
- 238000002360 preparation method Methods 0.000 title claims description 25
- 239000000463 material Substances 0.000 claims abstract description 83
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 77
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 77
- 238000007906 compression Methods 0.000 claims abstract description 56
- 230000006835 compression Effects 0.000 claims abstract description 56
- 239000010410 layer Substances 0.000 claims abstract description 56
- AMWVZPDSWLOFKA-UHFFFAOYSA-N phosphanylidynemolybdenum Chemical compound [Mo]#P AMWVZPDSWLOFKA-UHFFFAOYSA-N 0.000 claims abstract description 46
- 239000002994 raw material Substances 0.000 claims abstract description 19
- 238000000034 method Methods 0.000 claims abstract description 16
- 239000002356 single layer Substances 0.000 claims abstract description 11
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 86
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 46
- 239000004800 polyvinyl chloride Substances 0.000 claims description 46
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 43
- HBGGXOJOCNVPFY-UHFFFAOYSA-N diisononyl phthalate Chemical compound CC(C)CCCCCCOC(=O)C1=CC=CC=C1C(=O)OCCCCCCC(C)C HBGGXOJOCNVPFY-UHFFFAOYSA-N 0.000 claims description 43
- 239000003365 glass fiber Substances 0.000 claims description 42
- CEDDGDWODCGBFQ-UHFFFAOYSA-N carbamimidoylazanium;hydron;phosphate Chemical compound NC(N)=N.OP(O)(O)=O CEDDGDWODCGBFQ-UHFFFAOYSA-N 0.000 claims description 41
- 238000004898 kneading Methods 0.000 claims description 33
- 239000004698 Polyethylene Substances 0.000 claims description 31
- 235000021355 Stearic acid Nutrition 0.000 claims description 31
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims description 31
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 claims description 31
- -1 polyethylene Polymers 0.000 claims description 31
- 229920000573 polyethylene Polymers 0.000 claims description 31
- 239000008117 stearic acid Substances 0.000 claims description 31
- 239000000203 mixture Substances 0.000 claims description 25
- 238000010438 heat treatment Methods 0.000 claims description 24
- 238000003756 stirring Methods 0.000 claims description 23
- 235000012424 soybean oil Nutrition 0.000 claims description 22
- 239000003549 soybean oil Substances 0.000 claims description 22
- 150000001875 compounds Chemical class 0.000 claims description 16
- 238000001816 cooling Methods 0.000 claims description 12
- 238000005520 cutting process Methods 0.000 claims description 12
- 239000002904 solvent Substances 0.000 claims description 3
- 239000003381 stabilizer Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims 2
- 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 abstract description 10
- 239000003063 flame retardant Substances 0.000 abstract description 10
- 239000000126 substance Substances 0.000 description 25
- 230000000052 comparative effect Effects 0.000 description 9
- 241001051118 Garcinia nigrolineata Species 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 230000007547 defect Effects 0.000 description 3
- 229920004934 Dacron® Polymers 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 238000005469 granulation Methods 0.000 description 2
- 230000003179 granulation Effects 0.000 description 2
- 239000005020 polyethylene terephthalate Substances 0.000 description 2
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000000748 compression moulding Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—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
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
- H01B7/22—Metal wires or tapes, e.g. made of steel
- H01B7/221—Longitudinally placed metal wires or tapes
- H01B7/223—Longitudinally placed metal wires or tapes forming part of a high tensile strength core
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Insulated Conductors (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
A steel core pressing type cable comprises a steel core and a plurality of aluminum wires, wherein the aluminum wires are distributed on the peripheries of the aluminum wires and are pressed together through a pressing die. The plurality of aluminum wires are arranged on the periphery of the steel core in a multi-layer or single-layer mode. The steel core is formed by stranding a plurality of steel wires. The steel core compression type cable also comprises a sheath layer prepared from a high-temperature-resistant sheath material, and the steel core, the aluminum wire and the sheath layer are sequentially arranged from inside to outside by taking the steel core as a center; the raw material of the high-temperature-resistant sheath material contains molybdenum phosphide. According to the cable prepared by the method for preparing the steel core compression type cable, the aluminum wire is compressed on the periphery of the steel core, so that the overall outer diameter of the cable is reduced, and the strength of the cable is improved. The belt steel core compression type cable can also ensure the flexibility of the cable; meanwhile, the high temperature resistance and the flame retardant property can be ensured.
Description
Technical Field
The invention relates to the technical field of cables, in particular to a method for preparing a compact cable with a steel core.
Background
With the development of the wire and cable industry, the use characteristics, functions and the like of the wire and cable are increasingly refined, the use performance requirements are higher, and in some special occasions, the cable is required to have the characteristics of small outer diameter, high strength and the like. At present, a compressed structure aluminum wire is commonly adopted in power cable products, and the cable has a small outer diameter but poor strength.
Therefore, aiming at the defects in the prior art, it is necessary to provide a method for preparing a compact cable with a steel core to solve the defects in the prior art.
Disclosure of Invention
The invention aims to avoid the defects of the prior art and provides a preparation method of a compact cable with a steel core. The cable prepared by the preparation method of the steel core compression type cable has small outer diameter and high strength and has better electromagnetic wave shielding effect.
The above object of the present invention is achieved by the following technical measures:
the method for preparing the compact cable with the steel core comprises the steel core and a plurality of aluminum wires, wherein the aluminum wires are distributed on the peripheries of the aluminum wires and are compacted together through a compacting die.
The plurality of aluminum wires are arranged on the periphery of the steel core in a multi-layer or single-layer mode.
Preferably, the steel core is formed by twisting a plurality of steel wires.
Preferably, the steel core compression-type cable further comprises a sheath layer made of a high-temperature-resistant sheath material, and the steel core, the aluminum wire and the sheath layer are sequentially arranged from inside to outside with the steel core as the center.
Preferably, the raw material of the high-temperature-resistant sheath material contains molybdenum phosphide.
Preferably, the raw materials of the high-temperature-resistant sheath material also comprise polyvinyl chloride, polyethylene wax, stearic acid, diisononyl phthalate, nano calcium carbonate, glass fiber and guanidine phosphate.
Preferably, the steel core compression type cable further comprises an insulating layer, and the outer surface of each aluminum wire is covered with the insulating layer.
In the high-temperature resistant sheathing compound, by weight,
and (3) molybdenum phosphide: 2-10 parts;
polyvinyl chloride: 40-70 parts;
diisononyl phthalate: 5-25 parts;
epoxidized soybean oil: 0.5 to 2.0 parts;
polyethylene wax: 0.1 to 0.4 portion;
stearic acid: 0.1 to 0.3 portion;
nano calcium carbonate: 5-20 parts of a stabilizer;
guanidine phosphate: 1-6 parts;
glass fiber: 1 to 5 portions.
Further, in the high temperature resistant sheathing compound, by weight,
and (3) molybdenum phosphide: 5-8 parts of a solvent;
polyvinyl chloride: 50-60 parts;
diisononyl phthalate: 10-12 parts;
epoxidized soybean oil: 1.0 to 1.5 portions;
polyethylene wax: 0.2 to 0.3 portion;
stearic acid: 0.15 to 0.20 portion;
nano calcium carbonate: 8-12 parts;
guanidine phosphate: 2-4 parts;
glass fiber: 2 to 3 portions.
Furthermore, in the high temperature resistant sheathing compound, by weight,
and (3) molybdenum phosphide: 6.5 parts;
polyvinyl chloride: 58 parts of a mixture;
diisononyl phthalate: 10.8 parts;
epoxidized soybean oil: 1.2 parts;
polyethylene wax: 0.24 part;
stearic acid: 0.18 part;
nano calcium carbonate: 9 parts of (1);
guanidine phosphate: 3.5 parts;
glass fiber: 2.7 parts.
Preferably, the preparation of the high temperature resistant sheathing compound comprises the steps of:
firstly, putting polyvinyl chloride, diisononyl phthalate and nano calcium carbonate into a high-speed kneading machine, heating to 90-110 ℃, kneading and stirring for 8-15 min to obtain an intermediate material;
adding the glass fiber, molybdenum phosphide and guanidine phosphate into the intermediate material, heating to 95-105 ℃, and continuously kneading and stirring for 5-8 min;
and step three, placing the mixture in a granulator, controlling the temperature to be 130-150 ℃, extruding and granulating, cutting and cooling to obtain the high-temperature-resistant sheath material.
The invention relates to a preparation method of a steel core compression type cable. According to the cable prepared by the method for preparing the steel core compression type cable, the aluminum wire is compressed on the periphery of the steel core, so that the overall outer diameter of the cable is reduced, and the strength of the cable is improved.
Drawings
The invention is further illustrated by means of the attached drawings, the contents of which are not in any way limitative of the invention.
Fig. 1 is a schematic cross-sectional view of a compact cable with a steel core.
In fig. 1, there are included:
Detailed Description
The technical solution of the present invention is further illustrated by the following examples.
Example 1.
A steel core compression type cable comprises a steel core and a plurality of aluminum wires 200, wherein the aluminum wires 200 are distributed on the periphery of the aluminum wires 200 and are compressed together through a compression mold.
The plurality of aluminum wires 200 are arranged at the periphery of the steel core in a multi-layer or single-layer manner. The steel core is formed by twisting a plurality of steel wires 100, as shown in fig. 1.
It should be noted that the steel core of the present invention is formed by twisting a plurality of steel wires 100, so that the strength of the steel core compression type cable is improved and the flexibility thereof is ensured.
The steel core compression type cable also comprises a sheath layer 300 prepared from a high-temperature-resistant sheath material, wherein the steel core, the aluminum wire 200 and the sheath layer 300 are sequentially arranged from inside to outside by taking the steel core as a center. The raw material of the high-temperature resistant sheath material contains molybdenum phosphide.
The high-temperature-resistant sheath material also comprises polyvinyl chloride, polyethylene wax, stearic acid, diisononyl phthalate, nano calcium carbonate, glass fiber and guanidine phosphate.
It should be noted that the high temperature resistance and the flame retardant property of the sheath layer 300 are improved by the cooperation of molybdenum phosphide, glass fiber and guanidine phosphate.
The molybdenum phosphide of the present invention can be obtained by a commercially available route or can be prepared by a conventional method. The invention provides a preparation method of molybdenum phosphide, which comprises the following steps: step one, reacting metal molybdenum with 4 times of red phosphorus in a vacuum sealed quartz tube at 950 ℃ for 45 hours; step two, heating the reactant in the step one at 3000 ℃ for 72 hours in phosphorus vapor to obtain molybdenum phosphide.
The cable with the steel core and the compression molding type also comprises an insulating layer (not shown in the figure), and the outer surface of each aluminum wire 200 is covered with the insulating layer.
In the high-temperature resistant sheathing compound, by weight,
and (3) molybdenum phosphide: 2-10 parts;
polyvinyl chloride: 40-70 parts;
diisononyl phthalate: 5-25 parts;
epoxidized soybean oil: 0.5 to 2.0 parts;
polyethylene wax: 0.1 to 0.4 portion;
stearic acid: 0.1 to 0.3 portion;
nano calcium carbonate: 5-20 parts of a stabilizer;
guanidine phosphate: 1-6 parts;
glass fiber: 1 to 5 portions.
The polymerization degree of the polyvinyl chloride is 1600-2500, wherein the polyvinyl chloride can improve the elasticity and the flexibility. The diisononyl phthalate, the epoxidized soybean oil and the stearic acid are used as plasticizers to improve the mechanical properties of the polyvinyl chloride such as folding resistance, impact resistance and the like. And polyethylene wax can be used as a lubricant to increase the compatibility with polyvinyl chloride. The stability of the invention is enhanced by the action of the nano calcium carbonate and the epoxidized soybean oil.
The preparation method of the high-temperature-resistant sheath material comprises the following steps:
firstly, putting polyvinyl chloride, diisononyl phthalate and nano calcium carbonate into a high-speed kneading machine, heating to 90-110 ℃, kneading and stirring for 8-15 min to obtain an intermediate material;
adding the glass fiber, molybdenum phosphide and guanidine phosphate into the intermediate material, heating to 95-105 ℃, and continuously kneading and stirring for 5-8 min;
and step three, placing the mixture into a granulator, controlling the temperature to be 130-150 ℃, performing extrusion granulation, cutting and cooling to obtain the high-temperature-resistant sheath material.
According to the cable prepared by the method for preparing the steel core compression type cable, the aluminum wire 200 is compressed on the periphery of the steel core, so that the overall outer diameter of the cable is reduced, and the strength of the cable is improved. The belt steel core compression type cable can also ensure the flexibility of the cable; meanwhile, the high temperature resistance and the flame retardant property can be ensured.
Example 2.
A steel core compression type cable comprises a steel core and a plurality of aluminum wires 200, wherein the aluminum wires 200 are distributed on the periphery of the aluminum wires 200 and are compressed together through a compression mold.
The plurality of aluminum wires 200 are arranged at the periphery of the steel core in a multi-layer or single-layer manner. The steel core is formed by stranding a plurality of steel wires 100; the cross section of the aluminum wire 200 is elliptical.
It should be noted that the steel core of the present invention is formed by twisting a plurality of steel wires 100, so that the strength of the steel core compression type cable is improved and the flexibility thereof is ensured.
The steel core compression type cable also comprises a sheath layer 300 prepared from a high-temperature-resistant sheath material, wherein the steel core, the aluminum wire 200 and the sheath layer 300 are sequentially arranged from inside to outside by taking the steel core as a center. The raw material of the high-temperature resistant sheath material contains molybdenum phosphide.
The high-temperature-resistant sheath material also comprises polyvinyl chloride, polyethylene wax, stearic acid, diisononyl phthalate, nano calcium carbonate, glass fiber and guanidine phosphate.
The strip steel core compression type cable further comprises insulating layers, and the outer surface of each aluminum wire 200 is covered with the insulating layers.
In the high-temperature resistant sheathing compound, by weight,
and (3) molybdenum phosphide: 5-8 parts of a solvent;
polyvinyl chloride: 50-60 parts;
diisononyl phthalate: 10-12 parts;
epoxidized soybean oil: 1.0 to 1.5 portions;
polyethylene wax: 0.2 to 0.3 portion;
stearic acid: 0.15 to 0.20 portion;
nano calcium carbonate: 8-12 parts;
guanidine phosphate: 2-4 parts;
glass fiber: 2 to 3 portions.
The preparation method of the high-temperature-resistant sheath material comprises the following steps:
firstly, putting polyvinyl chloride, diisononyl phthalate and nano calcium carbonate into a high-speed kneading machine, heating to 90-110 ℃, kneading and stirring for 8-15 min to obtain an intermediate material;
adding the glass fiber, molybdenum phosphide and guanidine phosphate into the intermediate material, heating to 95-105 ℃, and continuously kneading and stirring for 5-8 min;
and step three, placing the mixture in a granulator, controlling the temperature to be 130-150 ℃, extruding and granulating, cutting and cooling to obtain the high-temperature-resistant sheath material.
Compared with the embodiment 1, the flexibility, the high-temperature performance and the flame retardant performance of the strip steel core compact cable prepared by the preparation method of the strip steel core compact cable are better than those of the embodiment 1.
Example 3.
A steel core compression type cable comprises a steel core and a plurality of aluminum wires 200, wherein the aluminum wires 200 are distributed on the periphery of the aluminum wires 200 and are compressed together through a compression mold.
The plurality of aluminum wires 200 are arranged at the periphery of the steel core in a multi-layer or single-layer manner. The steel core is formed by stranding a plurality of steel wires 100; the cross section of the aluminum wire 200 is elliptical.
It should be noted that the steel core of the present invention is formed by twisting a plurality of steel wires 100, so that the strength of the steel core compression type cable is improved and the flexibility thereof is ensured.
The steel core compression type cable also comprises a sheath layer 300 prepared from a high-temperature-resistant sheath material, wherein the steel core, the aluminum wire 200 and the sheath layer 300 are sequentially arranged from inside to outside by taking the steel core as a center. The raw material of the high-temperature resistant sheath material contains molybdenum phosphide.
The raw materials of the high-temperature resistant sheath material also comprise polyvinyl chloride, polyethylene wax, stearic acid, diisononyl phthalate, nano calcium carbonate, glass fiber and guanidine phosphate.
The compression type cable with the steel core further comprises insulating layers, and the outer surface of each aluminum wire 200 is covered with the insulating layers.
In the high-temperature resistant sheathing compound, by weight,
molybdenum phosphide: 6.5 parts;
polyvinyl chloride: 58 parts of a mixture;
diisononyl phthalate: 10.8 parts;
epoxidized soybean oil: 1.2 parts;
polyethylene wax: 0.24 part;
stearic acid: 0.18 part;
nano calcium carbonate: 9 parts of (1);
guanidine phosphate: 3.5 parts;
glass fiber: 2.7 parts.
The preparation method of the high-temperature-resistant sheath material comprises the following steps:
firstly, placing polyvinyl chloride, diisononyl phthalate and nano calcium carbonate in a high-speed kneading machine, heating to 108 ℃, kneading and stirring for 12min to obtain an intermediate material;
adding the glass fiber, molybdenum phosphide and guanidine phosphate into the intermediate material, heating to 101 ℃, and continuously kneading and stirring for 6 min;
and step three, placing the mixture in a granulator, controlling the temperature to 145 ℃, extruding and granulating, cutting and cooling to obtain the high-temperature-resistant sheath material.
The epoxidized soybean oil is purchased from Jinnanruntai chemical industry Co., Ltd, the polyvinyl chloride is purchased from Ningpo Daplasticization Co., Ltd, the polyethylene wax is purchased from Yangzhou Roland New Material Co., Ltd, the nano calcium carbonate is purchased from Shenshan Dayun trade Co., Ltd, the stearic acid is purchased from Shijiazhuang Chengbeng chemical industry Co., Ltd, the molybdenum phosphide of the embodiment is prepared by itself, the diisononyl phthalate is purchased from Shandong Chengyu chemical industry Co., Ltd, the guanidine phosphate is purchased from Kandis chemical industry (Hubei) Co., Ltd, and the glass fiber is purchased from Leshan Jie Chenghui New Material Co., Ltd.
Compared with the embodiment 1, the high-temperature performance and the flame retardant performance of the strip steel core compact cable prepared by the preparation method of the strip steel core compact cable are better than those of the embodiment 1.
Example 4.
A steel core compression type cable comprises a steel core and a plurality of aluminum wires 200, wherein the aluminum wires 200 are distributed on the periphery of the aluminum wires 200 and are compressed together through a compression mold.
The plurality of aluminum wires 200 are arranged at the periphery of the steel core in a multi-layer or single-layer manner. The steel core is formed by stranding a plurality of steel wires 100; the cross section of the aluminum wire 200 is elliptical.
It should be noted that the steel core of the present invention is formed by twisting a plurality of steel wires 100, so that the strength of the steel core compression type cable is improved and the flexibility thereof is ensured.
The steel core compression type cable also comprises a sheath layer 300 prepared from a high-temperature-resistant sheath material, wherein the steel core, the aluminum wire 200 and the sheath layer 300 are sequentially arranged from inside to outside by taking the steel core as a center. The raw material of the high-temperature resistant sheath material contains molybdenum phosphide.
The raw materials of the high-temperature resistant sheath material also comprise polyvinyl chloride, polyethylene wax, stearic acid, diisononyl phthalate, nano calcium carbonate, glass fiber and guanidine phosphate.
The compression type cable with the steel core further comprises insulating layers, and the outer surface of each aluminum wire 200 is covered with the insulating layers.
In the high-temperature resistant sheathing compound, by weight,
and (3) molybdenum phosphide: 2 parts of (1);
polyvinyl chloride: 40 parts of a mixture;
diisononyl phthalate: 5 parts of a mixture;
epoxidized soybean oil: 0.5 part;
polyethylene wax: 0.1 part;
stearic acid: 0.1 part;
nano calcium carbonate: 5 parts of a mixture;
guanidine phosphate: 1 part;
glass fiber: 1 part.
The preparation method of the high-temperature-resistant sheath material comprises the following steps:
firstly, placing polyvinyl chloride, diisononyl phthalate and nano calcium carbonate in a high-speed kneading machine, heating to 90 ℃, kneading and stirring for 8min to obtain an intermediate material;
adding the glass fiber, molybdenum phosphide and guanidine phosphate into the intermediate material, heating to 95 ℃, and continuously kneading and stirring for 5 min;
and step three, placing the mixture in a granulator, controlling the temperature to be 130 ℃, extruding and granulating, cutting and cooling to obtain the high-temperature-resistant sheath material.
The epoxidized soybean oil is purchased from Jinnan Ruitai chemical industry Co., Ltd, the polyvinyl chloride is purchased from Ningpo Dacron plasticizing Co., Ltd, the polyethylene wax is purchased from Yangzhou Roland New Material Co., Ltd, the nano calcium carbonate is purchased from Shenshan Denyuan trade Co., Ltd, the stearic acid is purchased from Shijiazhuang Chengbo chemical industry Co., Ltd, the molybdenum phosphide in the embodiment is prepared by itself, the diisononyl phthalate is purchased from Shandong Chengtian chemical industry Co., Ltd, the guanidine phosphate is purchased from Congdis chemical industry (Hubei) Co., Ltd, and the glass fiber is purchased from Jie Chengcheng New Material Co., Ltd.
Compared with the embodiment 1, the high-temperature performance and the flame retardant performance of the strip steel core compact cable prepared by the preparation method of the strip steel core compact cable are better than those of the embodiment 1.
Example 5.
A steel core compression type cable comprises a steel core and a plurality of aluminum wires 200, wherein the aluminum wires 200 are distributed on the periphery of the aluminum wires 200 and are compressed together through a compression mold.
The plurality of aluminum wires 200 are arranged at the periphery of the steel core in a multi-layer or single-layer manner. The steel core is formed by stranding a plurality of steel wires 100; the cross section of the aluminum wire 200 is elliptical.
It should be noted that the steel core of the present invention is formed by twisting a plurality of steel wires 100, so that the strength of the steel core compression type cable is improved and the flexibility thereof is ensured.
The steel core compression type cable also comprises a sheath layer 300 prepared from a high-temperature-resistant sheath material, wherein the steel core, the aluminum wire 200 and the sheath layer 300 are sequentially arranged from inside to outside by taking the steel core as a center. The raw material of the high-temperature resistant sheath material contains molybdenum phosphide.
The raw materials of the high-temperature resistant sheath material also comprise polyvinyl chloride, polyethylene wax, stearic acid, diisononyl phthalate, nano calcium carbonate, glass fiber and guanidine phosphate.
The compression type cable with the steel core further comprises insulating layers, and the outer surface of each aluminum wire 200 is covered with the insulating layers.
In the high-temperature resistant sheathing compound, by weight,
and (3) molybdenum phosphide: 10 parts of (A);
polyvinyl chloride: 70 parts of (B);
diisononyl phthalate: 25 parts of (1);
epoxidized soybean oil: 2.0 parts of (B);
polyethylene wax: 0.4 part;
stearic acid: 0.3 part;
nano calcium carbonate: 20 parts of (1);
guanidine phosphate: 6 parts of (1);
glass fiber: 5 parts of the raw materials.
The preparation method of the high-temperature-resistant sheath material comprises the following steps:
firstly, putting polyvinyl chloride, diisononyl phthalate and nano calcium carbonate into a high-speed kneading machine, heating to 110 ℃, kneading and stirring for 15min to obtain an intermediate material;
adding the glass fiber, molybdenum phosphide and guanidine phosphate into the intermediate material, heating to 105 ℃, and continuously kneading and stirring for 8 min;
and step three, placing the mixture in a granulator, controlling the temperature to be 150 ℃, extruding and granulating, cutting and cooling to obtain the high-temperature-resistant sheath material.
The epoxidized soybean oil is purchased from Jinnanruntai chemical industry Co., Ltd, the polyvinyl chloride is purchased from Ningpo Daplasticization Co., Ltd, the polyethylene wax is purchased from Yangzhou Roland New Material Co., Ltd, the nano calcium carbonate is purchased from Shenshan Dayun trade Co., Ltd, the stearic acid is purchased from Shijiazhuang Chengbeng chemical industry Co., Ltd, the molybdenum phosphide of the embodiment is prepared by itself, the diisononyl phthalate is purchased from Shandong Chengyu chemical industry Co., Ltd, the guanidine phosphate is purchased from Kandis chemical industry (Hubei) Co., Ltd, and the glass fiber is purchased from Leshan Jie Chenghui New Material Co., Ltd.
Compared with the embodiment 1, the high-temperature performance and the flame retardant performance of the strip steel core compact cable prepared by the preparation method of the strip steel core compact cable are better than those of the embodiment 1.
Example 6.
A steel core compression type cable comprises a steel core and a plurality of aluminum wires 200, wherein the aluminum wires 200 are distributed on the periphery of the aluminum wires 200 and are compressed together through a compression mold.
The plurality of aluminum wires 200 are arranged at the periphery of the steel core in a multi-layer or single-layer manner. The steel core is formed by stranding a plurality of steel wires 100; the cross section of the aluminum wire 200 is elliptical.
It should be noted that the steel core of the present invention is formed by twisting a plurality of steel wires 100, so that the strength of the steel core compression type cable is improved and the flexibility thereof is ensured.
The steel core compression type cable also comprises a sheath layer 300 prepared from a high-temperature-resistant sheath material, wherein the steel core, the aluminum wire 200 and the sheath layer 300 are sequentially arranged from inside to outside by taking the steel core as a center. The raw material of the high-temperature resistant sheath material contains molybdenum phosphide.
The raw materials of the high-temperature resistant sheath material also comprise polyvinyl chloride, polyethylene wax, stearic acid, diisononyl phthalate, nano calcium carbonate, glass fiber and guanidine phosphate.
The compression type cable with the steel core further comprises insulating layers, and the outer surface of each aluminum wire 200 is covered with the insulating layers.
In the high-temperature resistant sheathing compound, by weight,
and (3) molybdenum phosphide: 5 parts of a mixture;
polyvinyl chloride: 50 parts of a mixture;
diisononyl phthalate: 10 parts of (A);
epoxidized soybean oil: 1.0 part;
polyethylene wax: 0.2 part;
stearic acid: 0.15 part;
nano calcium carbonate: 8-12 parts;
guanidine phosphate: 2 parts of (1);
glass fiber: and 2 parts.
The preparation method of the high-temperature-resistant sheath material comprises the following steps:
firstly, putting polyvinyl chloride, diisononyl phthalate and nano calcium carbonate into a high-speed kneading machine, heating to 109 ℃, kneading and stirring for 14.5min to obtain an intermediate material;
adding the glass fiber, molybdenum phosphide and guanidine phosphate into the intermediate material, heating to 106 ℃, and continuously kneading and stirring for 9 min;
and step three, placing the mixture in a granulator, controlling the temperature to be 144 ℃, extruding and granulating, cutting and cooling to obtain the high-temperature-resistant sheath material.
The epoxidized soybean oil is purchased from Jinnan Ruitai chemical industry Co., Ltd, the polyvinyl chloride is purchased from Ningpo Dacron plasticizing Co., Ltd, the polyethylene wax is purchased from Yangzhou Roland New Material Co., Ltd, the nano calcium carbonate is purchased from Shenshan Denyuan trade Co., Ltd, the stearic acid is purchased from Shijiazhuang Chengbo chemical industry Co., Ltd, the molybdenum phosphide in the embodiment is prepared by itself, the diisononyl phthalate is purchased from Shandong Chengtian chemical industry Co., Ltd, the guanidine phosphate is purchased from Congdis chemical industry (Hubei) Co., Ltd, and the glass fiber is purchased from Jie Chengcheng New Material Co., Ltd.
Compared with the embodiment 1, the high-temperature performance and the flame retardant performance of the strip steel core compact cable prepared by the preparation method of the strip steel core compact cable are better than those of the embodiment 1.
Example 7.
A steel core compression type cable comprises a steel core and a plurality of aluminum wires 200, wherein the aluminum wires 200 are distributed on the periphery of the aluminum wires 200 and are compressed together through a compression mold.
The plurality of aluminum wires 200 are arranged at the periphery of the steel core in a multi-layer or single-layer manner. The steel core is formed by stranding a plurality of steel wires 100; the cross section of the aluminum wire 200 is elliptical.
It should be noted that the steel core of the present invention is formed by twisting a plurality of steel wires 100, so that the strength of the steel core compression type cable is improved and the flexibility thereof is ensured.
The steel core compression type cable also comprises a sheath layer 300 prepared from a high-temperature-resistant sheath material, wherein the steel core, the aluminum wire 200 and the sheath layer 300 are sequentially arranged from inside to outside by taking the steel core as a center. The raw material of the high-temperature resistant sheath material contains molybdenum phosphide.
The high-temperature-resistant sheath material also comprises polyvinyl chloride, polyethylene wax, stearic acid, diisononyl phthalate, nano calcium carbonate, glass fiber and guanidine phosphate.
The compression type cable with the steel core further comprises insulating layers, and the outer surface of each aluminum wire 200 is covered with the insulating layers.
In the high-temperature resistant sheathing compound, by weight,
and (3) molybdenum phosphide: 8 parts of a mixture;
polyvinyl chloride: 60 parts;
diisononyl phthalate: 12 parts of (1);
epoxidized soybean oil: 1.5 parts;
polyethylene wax: 0.3 part;
stearic acid: 0.20 part;
nano calcium carbonate: 12 parts of (1);
guanidine phosphate: 4 parts of a mixture;
glass fiber: and 3 parts.
The preparation method of the high-temperature-resistant sheath material comprises the following steps:
firstly, putting polyvinyl chloride, diisononyl phthalate and nano calcium carbonate into a high-speed kneading machine, heating to 110 ℃, kneading and stirring for 15min to obtain an intermediate material;
adding the glass fiber, molybdenum phosphide and guanidine phosphate into the intermediate material, heating to 105 ℃, and continuously kneading and stirring for 8 min;
and step three, placing the mixture into a granulator, controlling the temperature to be 150 ℃, performing extrusion granulation, cutting and cooling to obtain the high-temperature-resistant sheath material.
The epoxidized soybean oil is purchased from Jinan Runtai chemical industry Co., Ltd, the polyvinyl chloride is purchased from Ningpo Daozi chemical industry Co., Ltd, the polyethylene wax is purchased from Yangzhou Roland New Material Co., Ltd, the nano calcium carbonate is purchased from Zhongshan Deng trading Co., Ltd, the stearic acid is purchased from Shijiazhuang Cheng Peng chemical industry Co., Ltd, the molybdenum phosphide is purchased from Shanghai Aratin Biochemical technology Co., Ltd, the diisononyl phthalate is purchased from Shandong Chengyi chemical industry Co., Ltd, the guanidine phosphate is purchased from Kandis chemical industry (Hubei) Co., Ltd, and the glass fiber is purchased from Haizhan Jie Chengxi New Material Co., Ltd.
Compared with the embodiment 1, the high-temperature performance and the flame retardant performance of the strip steel core compact cable prepared by the preparation method of the strip steel core compact cable are better than those of the embodiment 1.
Example 8.
A steel core compression type cable comprises a steel core and a plurality of aluminum wires 200, wherein the aluminum wires 200 are distributed on the periphery of the aluminum wires 200 and are compressed together through a compression mold.
The plurality of aluminum wires 200 are arranged at the periphery of the steel core in a multi-layer or single-layer manner. The steel core is formed by stranding a plurality of steel wires 100; the cross section of the aluminum wire 200 is elliptical.
It should be noted that the steel core of the present invention is formed by twisting a plurality of steel wires 100, so that the strength of the steel core compression type cable is improved and the flexibility thereof is ensured.
The steel core compression type cable also comprises a sheath layer 300 prepared from a high-temperature-resistant sheath material, wherein the steel core, the aluminum wire 200 and the sheath layer 300 are sequentially arranged from inside to outside by taking the steel core as a center. The raw material of the high-temperature resistant sheath material contains molybdenum phosphide.
The raw materials of the high-temperature resistant sheath material also comprise polyvinyl chloride, polyethylene wax, stearic acid, diisononyl phthalate, nano calcium carbonate, glass fiber and guanidine phosphate.
The compression type cable with the steel core further comprises insulating layers, and the outer surface of each aluminum wire 200 is covered with the insulating layers.
In the high-temperature resistant sheathing compound, by weight,
molybdenum phosphide: 7.6 parts;
polyvinyl chloride: 48 parts of a mixture;
diisononyl phthalate: 8 parts of a mixture;
epoxidized soybean oil: 0.5 part;
polyethylene wax: 0.15 part;
stearic acid: 0.23 part;
nano calcium carbonate: 12 parts of (1);
guanidine phosphate: 3.4 parts;
glass fiber: 3.5 parts.
The preparation method of the high-temperature-resistant sheath material comprises the following steps:
firstly, putting polyvinyl chloride, diisononyl phthalate and nano calcium carbonate into a high-speed kneading machine, heating to 93 ℃, kneading and stirring for 12min to obtain an intermediate material;
adding the glass fiber, molybdenum phosphide and guanidine phosphate into the intermediate material, heating to 98 ℃, and continuously kneading and stirring for 6 min;
and step three, placing the mixture in a granulator, controlling the temperature to be 140 ℃, extruding and granulating, cutting and cooling to obtain the high-temperature-resistant sheath material.
The epoxidized soybean oil is purchased from Jinnanruntai chemical industry Co., Ltd, the polyvinyl chloride is purchased from Ningpo Daplasticization Co., Ltd, the polyethylene wax is purchased from Yangzhou Roland New Material Co., Ltd, the nano calcium carbonate is purchased from Shenshan Dayun trade Co., Ltd, the stearic acid is purchased from Shijiazhuang Chengbeng chemical industry Co., Ltd, the molybdenum phosphide of the embodiment is prepared by itself, the diisononyl phthalate is purchased from Shandong Chengyu chemical industry Co., Ltd, the guanidine phosphate is purchased from Kandis chemical industry (Hubei) Co., Ltd, and the glass fiber is purchased from Leshan Jie Chenghui New Material Co., Ltd.
Compared with the embodiment 1, the high-temperature performance and the flame retardant performance of the strip steel core compact cable prepared by the preparation method of the strip steel core compact cable are better than those of the embodiment 1.
Comparative example 1.
A cable sheath material comprises the following steps:
firstly, putting 48 parts of polyvinyl chloride, 8 parts of diisononyl phthalate and 12 parts of nano calcium carbonate into a high-speed kneader, heating to 93 ℃, kneading and stirring for 12min to obtain a mixture;
and step three, placing the mixture in a granulator, controlling the temperature to be 140 ℃, extruding and granulating, cutting and cooling to obtain the sheath material.
Comparative example 2.
A cable sheath material comprises the following steps:
firstly, putting 48 parts of polyvinyl chloride, 8 parts of diisononyl phthalate and 12 parts of nano calcium carbonate into a high-speed kneader, heating to 93 ℃, kneading and stirring for 12min to obtain an intermediate material;
step two, adding 3.5 parts of glass fiber and 7.6 parts of molybdenum phosphide into the intermediate material, heating to 98 ℃, and continuously kneading and stirring for 6 min;
and step three, placing the mixture in a granulator, controlling the temperature to be 140 ℃, extruding and granulating, cutting and cooling to obtain the sheath material.
Under the same other experimental conditions, table 1 shows that the jacket layers of the high temperature resistant jacket materials obtained in examples 3 to 8 and the jacket materials of comparative example 1 and comparative example 2 are subjected to performance tests, and the related performances are as shown in table one:
TABLE I relevant detection performance after preparation of corresponding sample into cable
The high temperature resistance test is to prepare sheath strips with the same length and diameter of 0.5cm from the sheath materials of the high temperature resistant sheath materials obtained in examples 3-8 and the sheath materials of comparative examples 1 and 2, wherein the number of each group is 30, and the 30 sheath strips of each group are respectively placed in test boxes with internal temperatures of 120 ℃, 140 ℃ and 160 ℃, and the test time is 5.0 h.
As can be seen from the table I, the number of damaged sheath strips of the high-temperature resistant sheath material of the invention in the high-temperature resistant test is obviously less than that of the sheath strips of the comparative example 1 and the comparative example 2, and the critical oxygen burning index of the high-temperature resistant sheath material is higher than 28 and is also obviously higher than that of the comparative example 1 and the comparative example 2.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the protection scope of the present invention, and although the present invention is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention.
Claims (10)
1. A preparation method of a compact cable with a steel core is characterized by comprising the following steps: the compact cable with the steel core comprises the steel core and a plurality of aluminum wires, wherein the aluminum wires are distributed on the peripheries of the aluminum wires and are compacted together through a compacting die.
2. The method for preparing the steel core compression type cable according to claim 1, which is characterized in that: the plurality of aluminum wires are arranged on the periphery of the steel core in a multi-layer or single-layer mode.
3. The method for preparing the steel core compression type cable according to claim 2, which is characterized in that: the steel core is formed by stranding a plurality of steel wires.
4. The method for manufacturing a compact cable with a steel core according to any one of claims 1 to 3, wherein: the steel core compression type cable also comprises a sheath layer prepared from a high-temperature-resistant sheath material, and the steel core, the aluminum wire and the sheath layer are sequentially arranged from inside to outside by taking the steel core as a center;
the raw material of the high-temperature-resistant sheath material contains molybdenum phosphide.
5. The method for preparing the steel core compression type cable according to claim 4, which is characterized in that: the raw materials of the high-temperature-resistant sheath material also comprise polyvinyl chloride, polyethylene wax, stearic acid, diisononyl phthalate, nano calcium carbonate, glass fiber and guanidine phosphate.
6. The method for preparing the steel core compression type cable according to claim 5, which is characterized in that: the steel core compression type cable further comprises an insulating layer, and the outer surface of each aluminum wire is covered with the insulating layer.
7. The method for preparing the steel core compression cable according to claim 6, wherein the method comprises the following steps: in the high-temperature resistant sheathing compound, by weight,
and (3) molybdenum phosphide: 2-10 parts;
polyvinyl chloride: 40-70 parts;
diisononyl phthalate: 5-25 parts;
epoxidized soybean oil: 0.5 to 2.0 portions;
polyethylene wax: 0.1 to 0.4 portion;
stearic acid: 0.1 to 0.3 portion;
nano calcium carbonate: 5-20 parts of a stabilizer;
guanidine phosphate: 1-6 parts;
glass fiber: 1 to 5 portions.
8. The method for producing a compact cable with a steel core according to claim 7, characterized in that: in the high-temperature resistant sheathing compound, by weight,
and (3) molybdenum phosphide: 5-8 parts of a solvent;
polyvinyl chloride: 50-60 parts;
diisononyl phthalate: 10-12 parts;
epoxidized soybean oil: 1.0 to 1.5 portions;
polyethylene wax: 0.2 to 0.3 portion;
stearic acid: 0.15 to 0.20 portion;
nano calcium carbonate: 8-12 parts;
guanidine phosphate: 2-4 parts;
glass fiber: 2 to 3 portions.
9. The method for preparing the steel core compression cable according to claim 8, wherein the method comprises the following steps: in the high-temperature resistant sheathing compound, by weight,
and (3) molybdenum phosphide: 6.5 parts;
polyvinyl chloride: 58 parts of a mixture;
diisononyl phthalate: 10.8 parts;
epoxidized soybean oil: 1.2 parts of;
polyethylene wax: 0.24 part;
stearic acid: 0.18 part;
nano calcium carbonate: 9 parts of (1);
guanidine phosphate: 3.5 parts;
glass fiber: 2.7 parts.
10. The method for preparing a compact cable with a steel core according to claim 9, wherein the preparation of the high temperature resistant sheathing compound comprises the steps of:
firstly, putting polyvinyl chloride, diisononyl phthalate and nano calcium carbonate into a high-speed kneading machine, heating to 90-110 ℃, kneading and stirring for 8-15 min to obtain an intermediate material;
adding the glass fiber, molybdenum phosphide and guanidine phosphate into the intermediate material, heating to 95-105 ℃, and continuously kneading and stirring for 5-8 min;
and step three, placing the mixture in a granulator, controlling the temperature to be 130-150 ℃, extruding and granulating, cutting and cooling to obtain the high-temperature-resistant sheath material.
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