CN113861588A - Cable with special-shaped conductor - Google Patents
Cable with special-shaped conductor Download PDFInfo
- Publication number
- CN113861588A CN113861588A CN202111175299.0A CN202111175299A CN113861588A CN 113861588 A CN113861588 A CN 113861588A CN 202111175299 A CN202111175299 A CN 202111175299A CN 113861588 A CN113861588 A CN 113861588A
- Authority
- CN
- China
- Prior art keywords
- parts
- cable
- sheath layer
- conductor
- modified filler
- 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.)
- Pending
Links
- 239000004020 conductor Substances 0.000 title claims abstract description 55
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims abstract description 38
- 239000000945 filler Substances 0.000 claims abstract description 37
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 32
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 19
- 230000003078 antioxidant effect Effects 0.000 claims abstract description 19
- 229910000019 calcium carbonate Inorganic materials 0.000 claims abstract description 19
- PMHQVHHXPFUNSP-UHFFFAOYSA-M copper(1+);methylsulfanylmethane;bromide Chemical compound Br[Cu].CSC PMHQVHHXPFUNSP-UHFFFAOYSA-M 0.000 claims abstract description 19
- 239000012188 paraffin wax Substances 0.000 claims abstract description 17
- 239000000314 lubricant Substances 0.000 claims abstract description 16
- 239000004408 titanium dioxide Substances 0.000 claims abstract description 16
- 239000012760 heat stabilizer Substances 0.000 claims abstract description 15
- JNXDCMUUZNIWPQ-UHFFFAOYSA-N trioctyl benzene-1,2,4-tricarboxylate Chemical compound CCCCCCCCOC(=O)C1=CC=C(C(=O)OCCCCCCCC)C(C(=O)OCCCCCCCC)=C1 JNXDCMUUZNIWPQ-UHFFFAOYSA-N 0.000 claims abstract description 13
- BIKXLKXABVUSMH-UHFFFAOYSA-N trizinc;diborate Chemical compound [Zn+2].[Zn+2].[Zn+2].[O-]B([O-])[O-].[O-]B([O-])[O-] BIKXLKXABVUSMH-UHFFFAOYSA-N 0.000 claims abstract description 12
- JIGUQPWFLRLWPJ-UHFFFAOYSA-N Ethyl acrylate Chemical compound CCOC(=O)C=C JIGUQPWFLRLWPJ-UHFFFAOYSA-N 0.000 claims abstract description 11
- 229920000459 Nitrile rubber Polymers 0.000 claims abstract description 11
- PNJWIWWMYCMZRO-UHFFFAOYSA-N pent‐4‐en‐2‐one Natural products CC(=O)CC=C PNJWIWWMYCMZRO-UHFFFAOYSA-N 0.000 claims abstract description 11
- 239000011347 resin Substances 0.000 claims abstract description 11
- 229920005989 resin Polymers 0.000 claims abstract description 11
- 239000002994 raw material Substances 0.000 claims abstract description 6
- 239000002245 particle Substances 0.000 claims description 51
- 241000255789 Bombyx mori Species 0.000 claims description 36
- 239000004575 stone Substances 0.000 claims description 29
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims description 18
- 238000002156 mixing Methods 0.000 claims description 18
- DKVNPHBNOWQYFE-UHFFFAOYSA-N carbamodithioic acid Chemical compound NC(S)=S DKVNPHBNOWQYFE-UHFFFAOYSA-N 0.000 claims description 17
- 239000012990 dithiocarbamate Substances 0.000 claims description 17
- 150000004645 aluminates Chemical class 0.000 claims description 16
- 239000007822 coupling agent Substances 0.000 claims description 16
- 239000000203 mixture Substances 0.000 claims description 15
- 238000002360 preparation method Methods 0.000 claims description 15
- 239000002131 composite material Substances 0.000 claims description 13
- 238000006243 chemical reaction Methods 0.000 claims description 11
- CJZGTCYPCWQAJB-UHFFFAOYSA-L calcium stearate Chemical compound [Ca+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O CJZGTCYPCWQAJB-UHFFFAOYSA-L 0.000 claims description 10
- 239000008116 calcium stearate Substances 0.000 claims description 10
- 235000013539 calcium stearate Nutrition 0.000 claims description 10
- 238000001035 drying Methods 0.000 claims description 10
- 230000004913 activation Effects 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 6
- 229910000838 Al alloy Inorganic materials 0.000 claims description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 5
- 239000000956 alloy Substances 0.000 claims description 5
- AAEHPKIXIIACPQ-UHFFFAOYSA-L calcium;terephthalate Chemical compound [Ca+2].[O-]C(=O)C1=CC=C(C([O-])=O)C=C1 AAEHPKIXIIACPQ-UHFFFAOYSA-L 0.000 claims description 5
- 238000004140 cleaning Methods 0.000 claims description 5
- 238000001816 cooling Methods 0.000 claims description 5
- 229910052802 copper Inorganic materials 0.000 claims description 5
- 239000010949 copper Substances 0.000 claims description 5
- 229910052751 metal Inorganic materials 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 5
- 239000004209 oxidized polyethylene wax Substances 0.000 claims description 5
- 235000013873 oxidized polyethylene wax Nutrition 0.000 claims description 5
- 235000019809 paraffin wax Nutrition 0.000 claims description 5
- 235000019271 petrolatum Nutrition 0.000 claims description 5
- 239000004033 plastic Substances 0.000 claims description 5
- 229920003023 plastic Polymers 0.000 claims description 5
- UYISKGVFPMWFJV-UHFFFAOYSA-N terephthalic acid;zinc Chemical compound [Zn].OC(=O)C1=CC=C(C(O)=O)C=C1 UYISKGVFPMWFJV-UHFFFAOYSA-N 0.000 claims description 5
- XOOUIPVCVHRTMJ-UHFFFAOYSA-L zinc stearate Chemical compound [Zn+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O XOOUIPVCVHRTMJ-UHFFFAOYSA-L 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 3
- DQWPFSLDHJDLRL-UHFFFAOYSA-N triethyl phosphate Chemical compound CCOP(=O)(OCC)OCC DQWPFSLDHJDLRL-UHFFFAOYSA-N 0.000 claims description 3
- 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 2
- 239000003017 thermal stabilizer Substances 0.000 claims 1
- 230000000052 comparative effect Effects 0.000 description 13
- 230000003247 decreasing effect Effects 0.000 description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 239000003575 carbonaceous material Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 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 description 1
- 206010000369 Accident Diseases 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000000844 anti-bacterial effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000010998 test method 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
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/0009—Details relating to the conductive cores
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L27/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
- C08L27/02—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L27/04—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
- C08L27/06—Homopolymers or copolymers of vinyl chloride
-
- 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
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/28—Protection against damage caused by moisture, corrosion, chemical attack or weather
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/29—Protection against damage caused by extremes of temperature or by flame
- H01B7/292—Protection against damage caused by extremes of temperature or by flame using material resistant to heat
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/29—Protection against damage caused by extremes of temperature or by flame
- 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
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/42—Insulated conductors or cables characterised by their form with arrangements for heat dissipation or conduction
- H01B7/421—Insulated conductors or cables characterised by their form with arrangements for heat dissipation or conduction for heat dissipation
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/28—Nitrogen-containing compounds
- C08K2003/282—Binary compounds of nitrogen with aluminium
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/28—Nitrogen-containing compounds
- C08K2003/287—Calcium, strontium or barium nitrates
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/20—Applications use in electrical or conductive gadgets
- C08L2203/202—Applications use in electrical or conductive gadgets use in electrical wires or wirecoating
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Insulated Conductors (AREA)
Abstract
The invention relates to the technical field of cables, in particular to a cable with a special-shaped conductor, which comprises a conductor wire core and a sheath layer, wherein the section of the conductor wire core is star-shaped, and the sheath layer is coated on the outer side of the conductor wire core; the sheath layer is prepared from the following raw materials in parts by weight: 40-55 parts of PVC resin, 14-18 parts of nitrile rubber, 12-16 parts of ethyl acrylate, 4-7 parts of trioctyl trimellitate, 5-11 parts of chlorinated paraffin, 3-9 parts of calcium carbonate, 4-8 parts of zinc borate, 3-6 parts of aluminum nitride, 2-5 parts of a heat stabilizer, 2-6 parts of a lubricant, 1-3 parts of an antioxidant, 4-8 parts of titanium dioxide and 15-22 parts of a modified filler.
Description
Technical Field
The invention relates to the technical field of cables, in particular to a cable with a special-shaped conductor.
Background
A cable is a wire product used for transmitting electric energy, information and electromagnetic energy conversion. The cable is one of products which must be matched when an electric product is used, is used as a main carrier of electric power transmission, plays roles of transmitting electric power, transmitting information and realizing electromagnetic energy conversion in the electric product, is widely applied to aspects of electric equipment, lighting circuits, household appliances and the like, is accelerated in the reconstruction of urban power grids along with the rapid development of Chinese economy, the consumption of cables is increased at a speed of nearly 25% every year, and a huge market stimulates various cable enterprises and the cable production lines built and established are gradually increased. Meanwhile, the urban power consumption is increased sharply, the demand of cable products is increased greatly, and higher technical requirements are provided for cable production enterprises.
In the prior art, along with the continuous improvement of the living standard of people, the electricity consumption of the society is greatly increased, the consumption of various electrical equipment is sharply increased, and the electrical fire accidents are also sharply increased. According to statistics, the number of fires in China is about ten million, and the direct property loss is ten billion yuan. The fire caused by short circuit of wire and cable, overload, failure of electric equipment, lamp and electric reason accounts for 30% of the total number, and the occurrence frequency and loss of electric fire are at the head of all kinds of fire. In an electrical fire, the fire caused by the electric wire and cable is about half. Therefore, the quality of the cable directly influences the engineering quality, the stability of power and information transmission and the life and property safety of consumers, and the existing cable is generally simple in structure and single in performance, so that the cable with the special-shaped conductor is provided.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a cable with a special-shaped conductor.
In order to achieve the purpose, the invention adopts the following technical scheme:
the cable with the special-shaped conductor comprises a conductor wire core and a sheath layer, wherein the section of the conductor wire core is star-shaped, and the sheath layer is coated on the outer side of the conductor wire core;
the sheath layer is prepared from the following raw materials in parts by weight: 40-55 parts of PVC resin, 14-18 parts of nitrile rubber, 12-16 parts of ethyl acrylate, 4-7 parts of trioctyl trimellitate, 5-11 parts of chlorinated paraffin, 3-9 parts of calcium carbonate, 4-8 parts of zinc borate, 3-6 parts of aluminum nitride, 2-5 parts of heat stabilizer, 2-6 parts of lubricant, 1-3 parts of antioxidant, 4-8 parts of titanium dioxide and 15-22 parts of modified filler.
Preferably, the preparation method of the modified filler comprises the following steps: uniformly mixing silkworm excrement and medical stone particles, adding a potassium hydroxide solution, standing for 12-24h in a dark place, then carrying out activation hole expansion reaction for 30-60 min at the temperature of 550-600 ℃, cooling, cleaning and drying to obtain a composite material of carbonized silkworm excrement and medical stone particles, finally adding an aluminate coupling agent and dithiocarbamate into the composite material, and uniformly mixing to obtain a modified filler;
preferably, the mass ratio of the silkworm excrement to the medical stone particles is 1: (2-4), the concentration of the potassium hydroxide solution is 2-4 mol/L, the dosage of the potassium hydroxide solution corresponding to each gram of silkworm excrement is 1.5-2.2ml, and the mass ratio of the aluminate coupling agent, the dithiocarbamate to the silkworm excrement is (0.3-0.6): (0.1-0.3): 1.
preferably, the heat stabilizer is a 1:1:3:4 mixture of calcium stearate, zinc stearate, calcium terephthalate and zinc terephthalate.
Preferably, the lubricant is a 1:2:1 mixture of calcium stearate, oxidized polyethylene wax and paraffin wax.
Preferably, the antioxidant is any one of antioxidant 1010, antioxidant 627 and triethyl phosphate.
Preferably, the particle size of the medical stone particles is 200-320 meshes, the particle size of the calcium carbonate is 120-200 meshes, the particle size of the titanium dioxide is 50-120 nm, and the particle size of the aluminum nitride is 100-300 nm.
Preferably, in the preparation process of the modified filler, an aluminate coupling agent and dithiocarbamate are added, uniformly mixed and subjected to microwave treatment for 5-10 s.
Preferably, the preparation method of the cable comprises the following steps:
s1, preparing a conductor wire core by adopting an aluminum alloy material or metal copper;
s2, uniformly mixing 40-55 parts of PVC resin, 14-18 parts of nitrile rubber, 12-16 parts of ethyl acrylate, 4-7 parts of trioctyl trimellitate, 5-11 parts of chlorinated paraffin, 3-9 parts of calcium carbonate, 4-8 parts of zinc borate, 3-6 parts of aluminum nitride, 2-5 parts of a heat stabilizer, 2-6 parts of a lubricant, 1-3 parts of an antioxidant, 4-8 parts of titanium dioxide and 15-22 parts of a modified filler, and drying at 70 ℃ for 6 hours to obtain a dried sheath layer mixed material;
and S3, extruding the dried sheath layer blend by a plastic extruder to wrap the conductor core outside to obtain the cable with the special-shaped conductor.
Preferably, the minimum distance between the outer wall of the sheath layer and the conductor wire core is 1mm-3 mm.
The invention has the beneficial effects that:
1. according to the cable with the special-shaped conductor, the contact area between the conductor wire core and the sheath layer is large, heat on the conductor wire core can be dissipated conveniently, the strength of the sheath layer is high, the cable has good flame-retardant and heat-resistant effects, and the cable is suitable for popularization and use.
2. According to the cable with the special-shaped conductor, the modified filler is added in the sheath layer, the modified filler is prepared by modifying silkworm excrement and medical stone particles, multiple micropores can be eroded on the surfaces of the medical stone particles through high-temperature activation treatment of potassium hydroxide, the silkworm excrement can form a porous carbon material, finally carbonized silkworm excrement is adhered to the surfaces of the medical stone particles, the overall structural strength is high, the modified filler is well fused with other materials of the sheath layer through treatment of an aluminate coupling agent and dithiocarbamate, the tensile resistance of the sheath layer is effectively improved, and the dithiocarbamate is adsorbed in the porous carbon material and the medical stone particles, so that the sheath layer has a lasting antibacterial effect, and the durability of the sheath layer is improved.
3. According to the photovoltaic cable provided by the invention, the flame retardance and the ageing resistance of the sheath layer can be effectively improved through trioctyl trimellitate, chlorinated paraffin, trioctyl trimellitate, zinc borate, aluminum nitride and calcium carbonate, the strength of the sheath layer is further improved, and the service life of the cable is prolonged.
Drawings
Fig. 1 is a schematic structural diagram of a cable with a special-shaped conductor according to the present invention.
In the figure: 1 conductor core, 2 restrictive coating.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1, the cable with the special-shaped conductor comprises a conductor wire core 1 and a sheath layer 2, wherein the section of the conductor wire core 1 is star-shaped, and the sheath layer 2 is coated on the outer side of the conductor wire core 1; the minimum distance between the outer wall of the sheath layer 2 and the conductor wire core 1 is 1mm-3 mm.
In example 1, the sheath layer 2 is prepared from the following raw materials in parts by weight: 40 parts of PVC resin, 14 parts of nitrile rubber, 12 parts of ethyl acrylate, 4 parts of trioctyl trimellitate, 5 parts of chlorinated paraffin, 3 parts of calcium carbonate, 4 parts of zinc borate, 3 parts of aluminum nitride, 2 parts of heat stabilizer, 2 parts of lubricant, 1 part of antioxidant, 4 parts of titanium dioxide and 15 parts of modified filler.
Further, the preparation method of the modified filler comprises the following steps: uniformly mixing silkworm excrement and medical stone particles, adding a potassium hydroxide solution, standing for 12h in a dark place, then carrying out activation hole expansion reaction for 30min at the temperature of 550 ℃, cooling, cleaning and drying to obtain a composite material of carbonized silkworm excrement and medical stone particles, finally adding an aluminate coupling agent and dithiocarbamate into the composite material, and uniformly mixing to obtain a modified filler;
further, the mass ratio of the silkworm excrement to the medical stone particles is 1:2, the concentration of the potassium hydroxide solution is 2mol/L, the dosage of the potassium hydroxide solution corresponding to each gram of silkworm excrement is 1.5ml, and the mass ratio of the aluminate coupling agent to the dithiocarbamate to the silkworm excrement is 0.3: 0.1: 1.
further, the heat stabilizer is a mixture of calcium stearate, zinc stearate, calcium terephthalate and zinc terephthalate in a ratio of 1:1:3: 4.
Further, the lubricant is a 1:2:1 mixture of calcium stearate, oxidized polyethylene wax and paraffin wax.
Further, the antioxidant is 1010.
Furthermore, the particle size of the medical stone particles is 200-320 meshes, the particle size of the calcium carbonate is 120-200 meshes, the particle size of the titanium dioxide is 50-120 nm, and the particle size of the aluminum nitride is 100-300 nm.
Further, in the preparation process of the modified filler, an aluminate coupling agent and dithiocarbamate are added, and after uniform mixing, microwave treatment is carried out for 5 s.
Further, the preparation method of the cable comprises the following steps:
s1, preparing a conductor wire core 1 by adopting an aluminum alloy material or metal copper;
s2, uniformly mixing 40 parts of PVC resin, 14 parts of nitrile rubber, 12 parts of ethyl acrylate, 4 parts of trioctyl trimellitate, 5 parts of chlorinated paraffin, 3 parts of calcium carbonate, 4 parts of zinc borate, 3 parts of aluminum nitride, 2 parts of a heat stabilizer, 2 parts of a lubricant, 1 part of an antioxidant, 4 parts of titanium dioxide and 15 parts of a modified filler, and drying at 70 ℃ for 6 hours to obtain a dry sheath layer mixed material;
and S3, extruding and wrapping the dried sheath layer blend outside the conductor wire core 1 by using a plastic extruder to obtain the cable with the special-shaped conductor.
In example 2, the sheath layer 2 is prepared from the following raw materials in parts by weight: 55 parts of PVC resin, 18 parts of nitrile rubber, 16 parts of ethyl acrylate, 7 parts of trioctyl trimellitate, 11 parts of chlorinated paraffin, 9 parts of calcium carbonate, 8 parts of zinc borate, 6 parts of aluminum nitride, 5 parts of heat stabilizer, 6 parts of lubricant, 3 parts of antioxidant, 8 parts of titanium dioxide and 22 parts of modified filler.
Further, the preparation method of the modified filler comprises the following steps: uniformly mixing silkworm excrement and medical stone particles, adding a potassium hydroxide solution, standing for 24h in a dark place, then carrying out activation reaming reaction for 60min at the temperature of 600 ℃, cooling, cleaning and drying to obtain a composite material of carbonized silkworm excrement and medical stone particles, finally adding an aluminate coupling agent and dithiocarbamate into the composite material, and uniformly mixing to obtain a modified filler;
further, the mass ratio of the silkworm excrement to the medical stone particles is 1: 4, the concentration of the potassium hydroxide solution is 4mol/L, the dosage of the potassium hydroxide solution corresponding to each gram of silkworm excrement is 2.2ml, and the mass ratio of the aluminate coupling agent to the dithiocarbamate to the silkworm excrement is 0.6: 0.3: 1.
further, the heat stabilizer is a mixture of calcium stearate, zinc stearate, calcium terephthalate and zinc terephthalate in a ratio of 1:1:3: 4.
Further, the lubricant is a 1:2:1 mixture of calcium stearate, oxidized polyethylene wax and paraffin wax.
Further, the antioxidant is antioxidant 627.
Furthermore, the particle size of the medical stone particles is 200-320 meshes, the particle size of the calcium carbonate is 120-200 meshes, the particle size of the titanium dioxide is 50-120 nm, and the particle size of the aluminum nitride is 100-300 nm.
Further, in the preparation process of the modified filler, an aluminate coupling agent and dithiocarbamate are added, and after uniform mixing, microwave treatment is carried out for 10 s.
Further, the preparation method of the cable comprises the following steps:
s1, preparing a conductor wire core 1 by adopting an aluminum alloy material or metal copper;
s2, uniformly mixing 55 parts of PVC resin, 18 parts of nitrile rubber, 16 parts of ethyl acrylate, 7 parts of trioctyl trimellitate, 11 parts of chlorinated paraffin, 9 parts of calcium carbonate, 8 parts of zinc borate, 6 parts of aluminum nitride, 5 parts of a heat stabilizer, 6 parts of a lubricant, 3 parts of an antioxidant, 8 parts of titanium dioxide and 22 parts of a modified filler, and drying at 70 ℃ for 6 hours to obtain a dry sheath layer mixed material;
and S3, extruding and wrapping the dried sheath layer blend outside the conductor wire core 1 by using a plastic extruder to obtain the cable with the special-shaped conductor.
In example 3, the sheath layer 2 is prepared from the following raw materials in parts by weight: 45 parts of PVC resin, 16 parts of nitrile rubber, 14 parts of ethyl acrylate, 5 parts of trioctyl trimellitate, 6 parts of chlorinated paraffin, 4 parts of calcium carbonate, 5 parts of zinc borate, 4 parts of aluminum nitride, 3 parts of heat stabilizer, 4 parts of lubricant, 2 parts of antioxidant, 5 parts of titanium dioxide and 16 parts of modified filler.
Further, the preparation method of the modified filler comprises the following steps: uniformly mixing silkworm excrement and medical stone particles, adding a potassium hydroxide solution, standing for 15h in a dark place, then carrying out activation hole expansion reaction for 40min at the temperature of 560 ℃, cooling, cleaning and drying to obtain a composite material of carbonized silkworm excrement and medical stone particles, finally adding an aluminate coupling agent and dithiocarbamate into the composite material, and uniformly mixing to obtain a modified filler;
further, the mass ratio of the silkworm excrement to the medical stone particles is 1:3, the concentration of the potassium hydroxide solution is 3mol/L, the dosage of the potassium hydroxide solution corresponding to each gram of silkworm excrement is 1.8ml, and the mass ratio of the aluminate coupling agent to the dithiocarbamate to the silkworm excrement is 0.4: 0.2: 1.
further, the heat stabilizer is a mixture of calcium stearate, zinc stearate, calcium terephthalate and zinc terephthalate in a ratio of 1:1:3: 4.
Further, the lubricant is a 1:2:1 mixture of calcium stearate, oxidized polyethylene wax and paraffin wax.
Further, the antioxidant is triethyl phosphate.
Furthermore, the particle size of the medical stone particles is 200-320 meshes, the particle size of the calcium carbonate is 120-200 meshes, the particle size of the titanium dioxide is 50-120 nm, and the particle size of the aluminum nitride is 100-300 nm.
Further, in the preparation process of the modified filler, an aluminate coupling agent and dithiocarbamate are added, and after uniform mixing, microwave treatment is carried out for 8 s.
Further, the preparation method of the cable comprises the following steps:
s1, preparing a conductor wire core 1 by adopting an aluminum alloy material or metal copper;
s2, uniformly mixing 45 parts of PVC resin, 16 parts of nitrile rubber, 14 parts of ethyl acrylate, 5 parts of trioctyl trimellitate, 6 parts of chlorinated paraffin, 4 parts of calcium carbonate, 5 parts of zinc borate, 4 parts of aluminum nitride, 3 parts of a heat stabilizer, 4 parts of a lubricant, 2 parts of an antioxidant, 5 parts of titanium dioxide and 16 parts of a modified filler, and drying at 70 ℃ for 6 hours to obtain a dry sheath layer mixed material;
and S3, extruding and wrapping the dried sheath layer blend outside the conductor wire core 1 by using a plastic extruder to obtain the cable with the special-shaped conductor.
In comparative example 1, the modified filler was not added with silkworm excrement, and the rest was the same as in example 3.
In comparative example 2, the modified filler was not added with the maifanite particles, and the rest was the same as in example 3.
In comparative example 3, compared to example 3, the activated pore-enlarging reaction was not performed during the preparation of the modified filler, and the rest was the same.
In comparative example 4, the same as in example 3 was used for the modified filler.
In comparative example 5, calcium carbonate and aluminum nitride were not added, and the rest was the same as in example 3.
Silkworm excrement, medical stone particles and the activation and pore-expanding reaction are carried out under the same conditions as in example 3: the specific surface area of the treated silkworm excrement, the treated medical stone particles and the composite material of the carbonized silkworm excrement and the medical stone particles is measured by a nitrogen adsorption static capacity method, and the results are shown in table 1.
TABLE 1
It can be seen from table 1 that after the activation and reaming reaction, the specific surface area of the treated medical stone particles is increased, the specific surface area of the treated silkworm excrement is greatly increased, and the specific surface area of the composite material of the carbonized silkworm excrement and the medical stone particles is smaller than that of the treated silkworm excrement, but the composite material has high structural strength and is suitable for being used as a filler of a cable sheath layer.
The cables of profiled conductors prepared in examples 1 to 3 and comparative examples 1 to 5 were tested:
the mechanical properties were measured according to the EN60811 universal test method, and the tensile strength (N/mm) of the cable of the profiled conductor was measured, the test results are shown in table 2;
TABLE 2
As can be seen from Table 1, the tensile strength of examples 1 to 3 was 11N/mm or more and the performance was excellent, the tensile strength of comparative example 1 was slightly increased without adding silkworm excrement, the tensile strength of comparative example 2 was remarkably decreased without adding Maifanitum particles, the tensile strength of comparative example 3 was slightly decreased without performing the activation hole-expanding reaction during the preparation of the modified filler, the tensile strength of comparative example 4 was remarkably decreased compared to comparative example 2 without adding the modified filler, and the tensile strength of comparative example 5 was slightly decreased compared to comparative example 3 without adding calcium carbonate and aluminum nitride.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (9)
1. The cable with the special-shaped conductor comprises a conductor wire core (1) and a sheath layer (2), and is characterized in that the section of the conductor wire core (1) is star-shaped, and the sheath layer (2) is coated on the outer side of the conductor wire core (1);
the sheath layer (2) is prepared from the following raw materials in parts by weight: 40-55 parts of PVC resin, 14-18 parts of nitrile rubber, 12-16 parts of ethyl acrylate, 4-7 parts of trioctyl trimellitate, 5-11 parts of chlorinated paraffin, 3-9 parts of calcium carbonate, 4-8 parts of zinc borate, 3-6 parts of aluminum nitride, 2-5 parts of heat stabilizer, 2-6 parts of lubricant, 1-3 parts of antioxidant, 4-8 parts of titanium dioxide and 15-22 parts of modified filler.
2. The cable with a profiled conductor according to claim 1, wherein the method of preparing the modified filler comprises the steps of: uniformly mixing silkworm excrement and medical stone particles, adding a potassium hydroxide solution, standing for 12-24h in a dark place, then carrying out activation hole expansion reaction for 30-60 min at the temperature of 550-600 ℃, cooling, cleaning and drying to obtain a composite material of carbonized silkworm excrement and medical stone particles, finally adding an aluminate coupling agent and dithiocarbamate into the composite material, and uniformly mixing to obtain a modified filler;
wherein the mass ratio of the silkworm excrement to the medical stone particles is 1: (2-4), the concentration of the potassium hydroxide solution is 2-4 mol/L, the dosage of the potassium hydroxide solution corresponding to each gram of silkworm excrement is 1.5-2.2ml, and the mass ratio of the aluminate coupling agent, the dithiocarbamate to the silkworm excrement is (0.3-0.6): (0.1-0.3): 1.
3. the cable having a profiled conductor of claim 1, wherein the thermal stabilizer is a 1:1:3:4 mixture of calcium stearate, zinc stearate, calcium terephthalate, and zinc terephthalate.
4. The cable with a profiled conductor according to claim 1, characterized in that the lubricant is a 1:2:1 mixture of calcium stearate, oxidized polyethylene wax and paraffin wax.
5. The cable having a shaped conductor according to claim 1, wherein the antioxidant is any one of antioxidant 1010, antioxidant 627 and triethyl phosphate.
6. The cable with the special-shaped conductor as claimed in claim 2, wherein the medical stone particles have a particle size of 200-320 meshes, the calcium carbonate has a particle size of 120-200 meshes, the titanium dioxide has a particle size of 50-120 nm, and the aluminum nitride has a particle size of 100-300 nm.
7. The cable with the special-shaped conductor as claimed in claim 2, wherein during the preparation of the modified filler, the aluminate coupling agent and the dithiocarbamate are added, and after being uniformly mixed, the modified filler is subjected to microwave treatment for 5s to 10 s.
8. The cable with shaped conductor according to claim 1, wherein the cable is prepared by a method comprising the steps of:
s1, preparing a conductor wire core (1) by adopting an aluminum alloy material or metal copper;
s2, uniformly mixing 40-55 parts of PVC resin, 14-18 parts of nitrile rubber, 12-16 parts of ethyl acrylate, 4-7 parts of trioctyl trimellitate, 5-11 parts of chlorinated paraffin, 3-9 parts of calcium carbonate, 4-8 parts of zinc borate, 3-6 parts of aluminum nitride, 2-5 parts of a heat stabilizer, 2-6 parts of a lubricant, 1-3 parts of an antioxidant, 4-8 parts of titanium dioxide and 15-22 parts of a modified filler, and drying at 70 ℃ for 6 hours to obtain a dried sheath layer mixed material;
s3, extruding and wrapping the dried sheath layer blend on the outer side of the conductor wire core (1) by using a plastic extruder to obtain the cable with the special-shaped conductor.
9. The cable with the special-shaped conductor according to claim 1, characterized in that the minimum distance between the outer wall of the sheath layer (2) and the conductor core (1) is 1mm-3 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111175299.0A CN113861588A (en) | 2021-10-09 | 2021-10-09 | Cable with special-shaped conductor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111175299.0A CN113861588A (en) | 2021-10-09 | 2021-10-09 | Cable with special-shaped conductor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113861588A true CN113861588A (en) | 2021-12-31 |
Family
ID=79002193
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111175299.0A Pending CN113861588A (en) | 2021-10-09 | 2021-10-09 | Cable with special-shaped conductor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113861588A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2388691Y (en) * | 1999-09-03 | 2000-07-19 | 罗振年 | Special cable wire |
| CN105336401A (en) * | 2015-11-03 | 2016-02-17 | 江阴市七星电缆有限公司 | Aluminum alloy photovoltaic cable |
| CN105469864A (en) * | 2016-01-14 | 2016-04-06 | 东莞市蓝姆材料科技有限公司 | Polygonal conductor core wire and high-speed data transmission cable adopting same |
| CN106543598A (en) * | 2016-11-24 | 2017-03-29 | 安徽意力电缆有限公司 | A kind of wear-resistant antibacterial CABLE MATERIALS |
| CN111370165A (en) * | 2020-04-23 | 2020-07-03 | 常熟市邦知光电科技有限公司 | Cable and photoelectric composite cable with special-shaped conductor |
-
2021
- 2021-10-09 CN CN202111175299.0A patent/CN113861588A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2388691Y (en) * | 1999-09-03 | 2000-07-19 | 罗振年 | Special cable wire |
| CN105336401A (en) * | 2015-11-03 | 2016-02-17 | 江阴市七星电缆有限公司 | Aluminum alloy photovoltaic cable |
| CN105469864A (en) * | 2016-01-14 | 2016-04-06 | 东莞市蓝姆材料科技有限公司 | Polygonal conductor core wire and high-speed data transmission cable adopting same |
| CN106543598A (en) * | 2016-11-24 | 2017-03-29 | 安徽意力电缆有限公司 | A kind of wear-resistant antibacterial CABLE MATERIALS |
| CN111370165A (en) * | 2020-04-23 | 2020-07-03 | 常熟市邦知光电科技有限公司 | Cable and photoelectric composite cable with special-shaped conductor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN113292777B (en) | Fireproof flame-retardant sheath material, and preparation method and application thereof | |
| CN108492914A (en) | A kind of new-energy automobile low-smoke non-halogen flame-retardant high-voltage flexible cable and production technology | |
| CN102875887B (en) | Low-smoke halogen-free flame-retardant electric insulation material for cables | |
| CN110229443A (en) | A kind of flame retardant cable and preparation method thereof | |
| CN111899926A (en) | Power supply cable for low-voltage frequency conversion | |
| CN114974705A (en) | Fireproof cable | |
| CN112908524B (en) | Composite fire-resistant fireproof cable and preparation method thereof | |
| CN113861588A (en) | Cable with special-shaped conductor | |
| CN205911057U (en) | Novel energy -concerving and environment -protective ground electric heating cable | |
| CN109280405B (en) | High-flame-retardant fireproof wrapping tape and preparation method thereof | |
| CN110791026A (en) | Halogen-free flame-retardant low-density cable material for aluminum alloy cable | |
| CN210575239U (en) | Fireproof power cable with mineral substance insulated solid aluminum conductor | |
| CN112194835A (en) | Low-smoke halogen-free silane cross-linked flame-retardant cable material and production process thereof | |
| CN111028999A (en) | Low smoke zero halogen fireproof cable | |
| CN111430066B (en) | Low-smoke halogen-free 750 ℃ resistant cable | |
| CN110580981B (en) | Wear-resistant flame-retardant cable and preparation method thereof | |
| CN110746685A (en) | Preparation method of high-strength weather-resistant power line | |
| CN115938661B (en) | Low-smoke halogen-free power cable and preparation process thereof | |
| CN115368657B (en) | Crosslinked polyethylene insulated cable and preparation method thereof | |
| CN107383572B (en) | Insulated wire for residential building and preparation method thereof | |
| CN109841347A (en) | A kind of ageing-resistant power cable | |
| CN113555147B (en) | Novel B1 electric wire | |
| CN117362804B (en) | Environment-friendly cable sheath material and cable | |
| CN103474163A (en) | 5000-15000 volt jumper cable for vessel petrifaction and manufacturing method thereof | |
| CN219512843U (en) | High-conductivity cable for intelligent power grid housing |
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 | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20211231 |