CN113773581A - Recyclable environment-friendly cable and preparation method thereof - Google Patents
Recyclable environment-friendly cable and preparation method thereof Download PDFInfo
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- CN113773581A CN113773581A CN202111144036.3A CN202111144036A CN113773581A CN 113773581 A CN113773581 A CN 113773581A CN 202111144036 A CN202111144036 A CN 202111144036A CN 113773581 A CN113773581 A CN 113773581A
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- 238000002360 preparation method Methods 0.000 title abstract description 12
- 239000004594 Masterbatch (MB) Substances 0.000 claims abstract description 30
- 239000002270 dispersing agent Substances 0.000 claims abstract description 29
- 229920000098 polyolefin Polymers 0.000 claims abstract description 29
- 239000010985 leather Substances 0.000 claims abstract description 25
- 229920002725 thermoplastic elastomer Polymers 0.000 claims abstract description 22
- 239000003365 glass fiber Substances 0.000 claims abstract description 17
- -1 polypropylene Polymers 0.000 claims abstract description 16
- 125000003903 2-propenyl group Chemical group [H]C([*])([H])C([H])=C([H])[H] 0.000 claims abstract description 15
- 239000004743 Polypropylene Substances 0.000 claims abstract description 15
- 229920005558 epichlorohydrin rubber Polymers 0.000 claims abstract description 15
- 229920001155 polypropylene Polymers 0.000 claims abstract description 15
- 229920005989 resin Polymers 0.000 claims abstract description 15
- 239000011347 resin Substances 0.000 claims abstract description 15
- 239000000463 material Substances 0.000 claims description 69
- 239000003963 antioxidant agent Substances 0.000 claims description 34
- 230000003078 antioxidant effect Effects 0.000 claims description 34
- 239000003999 initiator Substances 0.000 claims description 34
- 239000007822 coupling agent Substances 0.000 claims description 33
- 239000003063 flame retardant Substances 0.000 claims description 30
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims description 29
- OZAIFHULBGXAKX-UHFFFAOYSA-N 2-(2-cyanopropan-2-yldiazenyl)-2-methylpropanenitrile Chemical compound N#CC(C)(C)N=NC(C)(C)C#N OZAIFHULBGXAKX-UHFFFAOYSA-N 0.000 claims description 21
- 239000006057 Non-nutritive feed additive Substances 0.000 claims description 21
- 239000000853 adhesive Substances 0.000 claims description 21
- 230000001070 adhesive effect Effects 0.000 claims description 21
- 239000000314 lubricant Substances 0.000 claims description 21
- 239000003607 modifier Substances 0.000 claims description 21
- 239000012744 reinforcing agent Substances 0.000 claims description 21
- 239000003381 stabilizer Substances 0.000 claims description 21
- 238000004898 kneading Methods 0.000 claims description 14
- 238000002156 mixing Methods 0.000 claims description 14
- 239000004890 Hydrophobing Agent Substances 0.000 claims description 13
- 238000000354 decomposition reaction Methods 0.000 claims description 13
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 12
- 229910052804 chromium Inorganic materials 0.000 claims description 12
- 239000011651 chromium Substances 0.000 claims description 12
- 150000002978 peroxides Chemical class 0.000 claims description 12
- VBICKXHEKHSIBG-UHFFFAOYSA-N 1-monostearoylglycerol Chemical compound CCCCCCCCCCCCCCCCCC(=O)OCC(O)CO VBICKXHEKHSIBG-UHFFFAOYSA-N 0.000 claims description 8
- 239000003795 chemical substances by application Substances 0.000 claims description 8
- 229910052736 halogen Inorganic materials 0.000 claims description 8
- 150000002367 halogens Chemical class 0.000 claims description 8
- 230000002209 hydrophobic effect Effects 0.000 claims description 8
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 claims description 7
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims description 7
- 229910052796 boron Inorganic materials 0.000 claims description 7
- GUJOJGAPFQRJSV-UHFFFAOYSA-N dialuminum;dioxosilane;oxygen(2-);hydrate Chemical group O.[O-2].[O-2].[O-2].[Al+3].[Al+3].O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O GUJOJGAPFQRJSV-UHFFFAOYSA-N 0.000 claims description 7
- 238000007599 discharging Methods 0.000 claims description 7
- 238000001125 extrusion Methods 0.000 claims description 7
- 239000000835 fiber Substances 0.000 claims description 7
- 238000002844 melting Methods 0.000 claims description 7
- 230000008018 melting Effects 0.000 claims description 7
- 229910052901 montmorillonite Inorganic materials 0.000 claims description 7
- FATBGEAMYMYZAF-KTKRTIGZSA-N oleamide Chemical group CCCCCCCC\C=C/CCCCCCCC(N)=O FATBGEAMYMYZAF-KTKRTIGZSA-N 0.000 claims description 7
- FATBGEAMYMYZAF-UHFFFAOYSA-N oleicacidamide-heptaglycolether Natural products CCCCCCCCC=CCCCCCCCC(N)=O FATBGEAMYMYZAF-UHFFFAOYSA-N 0.000 claims description 7
- 229920001568 phenolic resin Polymers 0.000 claims description 7
- 239000005011 phenolic resin Substances 0.000 claims description 7
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 claims description 7
- 229910052761 rare earth metal Inorganic materials 0.000 claims description 7
- 150000002910 rare earth metals Chemical class 0.000 claims description 7
- 230000007613 environmental effect Effects 0.000 claims description 5
- 229940075529 glyceryl stearate Drugs 0.000 claims description 3
- 238000000034 method Methods 0.000 claims 2
- 238000012856 packing Methods 0.000 description 4
- DCXXMTOCNZCJGO-UHFFFAOYSA-N Glycerol trioctadecanoate Natural products CCCCCCCCCCCCCCCCCC(=O)OCC(OC(=O)CCCCCCCCCCCCCCCCC)COC(=O)CCCCCCCCCCCCCCCCC DCXXMTOCNZCJGO-UHFFFAOYSA-N 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 125000002081 peroxide group Chemical group 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
Images
Classifications
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/10—Homopolymers or copolymers of propene
- C08L23/12—Polypropene
-
- 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
- H01B7/1875—Multi-layer sheaths
-
- 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
-
- 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
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
-
- 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
Abstract
The invention discloses a recyclable environment-friendly cable and a preparation method thereof, and the recyclable environment-friendly cable comprises an outer sheath, wherein an inner sheath is arranged in an inner cavity of the outer sheath, a glass fiber insulating sleeve is filled on the inner surface of the outer sheath and positioned on the outer surface of the inner sheath, a leather sheath is arranged on the inner surface of the inner sheath, a cable core is arranged on the inner surface of the leather sheath, and the outer sheath comprises 58-72 parts of polypropylene master batch, 20-33 parts of epichlorohydrin rubber master batch, 18-28 parts of polyolefin thermoplastic elastomer, 15-18 parts of allyl resin and 3-5 parts of dispersing agent in parts by mass. Compared with the traditional cable, the cable provided by the invention has longer service life, and can degrade and recycle the outer sheath, so that the problems that the traditional cable is poor in high temperature resistance, strength, impact resistance, flame retardance and hydrophobicity, and the service life of the cable is shortened are solved, and the problem that the cable is difficult to recycle after the cable reaches the final service life is solved.
Description
Technical Field
The invention relates to the technical field of power cables, in particular to a recyclable environment-friendly cable and a preparation method thereof.
Background
The electric power is an energy source using electric energy as power, and is an electric power production and consumption system consisting of power generation, power transmission, power transformation, power distribution and power utilization links, which converts primary energy in the nature into electric power through a mechanical energy device, and then supplies the electric power to each user through the power transmission, the power transformation and the power distribution, in the electric power, a cable is often used for transmitting electric energy or signals, the cable is an electric energy or signal transmission device and is made of one or more mutually insulated conductors and an outer insulation protection layer, the electric power or information is transmitted from one place to a lead at another place, at present, when the cable reaches the service life, the cable is difficult to carry out secondary recycling, and meanwhile, the cable is used under the severe weather condition, and can cause certain influence on the service life of the cable, compared with the traditional cable, the cable of the application has longer service life, and can degrade and recycle the outer sheath, the problem of traditional cable high temperature resistant, intensity, shock resistance, fire-retardant and hydrophobic all relatively poor, reduced cable life is solved, solved simultaneously when the cable reaches final life after, be difficult to carry out recycle to the cable is solved.
Disclosure of Invention
The invention aims to provide a recyclable environment-friendly cable and a preparation method thereof, the recyclable environment-friendly cable has the advantages of high temperature resistance, high strength, high impact resistance, flame retardance and good hydrophobicity, and is recyclable, and the problems of low service life and difficulty in recycling of the cable are solved.
In order to achieve the purpose, the invention provides the following technical scheme: the recyclable environment-friendly cable comprises an outer sheath, an inner sheath is arranged in an inner cavity of the outer sheath, a glass fiber insulating sleeve is filled on the inner surface of the outer sheath and the outer surface of the inner sheath, a leather sleeve is arranged on the inner surface of the inner sheath, and a cable core is arranged on the inner surface of the leather sleeve.
Preferably, the outer sheath comprises, by mass, 58-72 parts of a polypropylene master batch, 20-33 parts of a epichlorohydrin rubber master batch, 18-28 parts of a polyolefin thermoplastic elastomer, 15-18 parts of an allyl resin, 3-5 parts of a dispersing agent, 2-4 parts of an initiator, 2-5 parts of a flame retardant, 2-6 parts of a processing aid, 2-3 parts of a stabilizer, 1-4 parts of a lubricant, 0.7-1.5 parts of an antioxidant, 10-12 parts of a modifier, 0.5-1.5 parts of an adhesive, 0.5-1 part of a hydrophobizing agent, 1-5 parts of a coupling agent and 1-3.5 parts of a reinforcing agent.
Preferably, the preparation method of the recyclable environment-friendly cable comprises the following steps;
1) adding the polypropylene master batch, the epichlorohydrin rubber master batch, the polyolefin thermoplastic elastomer and the allyl resin into an internal mixer, and mixing for 10-15 minutes at 180-220 ℃ to obtain a mixed material;
2) adding a dispersing agent, an initiator, a flame retardant, a processing aid, a stabilizer, a lubricant, a coupling agent, a reinforcing agent and a modifier into the kneaded matter obtained in the step 1, continuously kneading for 5-10 minutes at 180-220 ℃, then adding an antioxidant, an adhesive and a hydrophobing agent into the kneaded matter, and kneading for 2-5 minutes at 160-180 ℃ to obtain a final kneaded matter;
3) discharging the material after the mixing in the step 2 through an internal mixer, then putting the material into a feeding hopper of a double-screw extruder, putting the material into the double-screw extruder through the feeding hopper, and carrying out hot melting and extrusion forming on the material by the double-screw extruder to obtain a recyclable outer sheath;
4) subsequently drawing the cable core;
5) stranding a plurality of cable cores after drawing;
6) after the stranding treatment, the outer sheath, the inner sheath, the glass fiber insulating sleeve and the leather sheath are wrapped on the cable core to obtain the recyclable environment-friendly cable;
7) and 3, controlling the temperature of the double-screw extruder to be 180-220 ℃, controlling the feeding frequency to be 15-35Hz, and controlling the rotating speed of the main machine to be 350-600 rpm.
Preferably, the polyolefin thermoplastic elastomer is a high-performance polyolefin material, and the dispersant is an organic dispersant.
Preferably, the initiator is an azo-based initiator including, but not limited to, azobisisobutyronitrile.
Preferably, the flame retardant includes but is not limited to a non-halogen flame retardant, and the processing aid is a glyceryl stearate material.
Preferably, the material of the stabilizer is organic rare earth, and the material of the lubricant is oleamide.
Preferably, the antioxidant comprises a peroxide decomposition type antioxidant but is not limited to a peroxide decomposition type antioxidant, and the material of the modifier is montmorillonite.
Preferably, the adhesive is made of phenolic resin, and the hydrophobic agent is made of methyl silicone oil.
Preferably, the coupling agent includes but is not limited to a chromium complex coupling agent, and the material of the reinforcing agent is nano boron fiber.
Compared with the prior art, the invention has the following beneficial effects:
compared with the traditional cable, the cable provided by the invention has longer service life, and can degrade and recycle the outer sheath, so that the problems that the traditional cable is poor in high temperature resistance, strength, impact resistance, flame retardance and hydrophobicity, and the service life of the cable is shortened are solved, and the problem that the cable is difficult to recycle after the cable reaches the final service life is solved.
Drawings
FIG. 1 is a schematic view of the structure of the present invention.
In the figure: the cable comprises an outer sheath 1, an inner sheath 2, a glass fiber insulating sheath 3, a leather sheath 4 and a cable core 5.
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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The outer sheath 1, the inner sheath 2, the glass fiber insulating sheath 3, the leather sheath 4, the cable core 5 and other components in the invention are all universal standard components or components known by those skilled in the art, and the structure and principle of the components can be known by those skilled in the art through technical manuals or conventional experimental methods.
Referring to fig. 1, a recyclable environment-friendly cable includes an outer sheath 1, an inner sheath 2 disposed in an inner cavity of the outer sheath 1, a glass fiber insulation jacket 3 filled in an inner surface of the outer sheath 1 and located on an outer surface of the inner sheath 2, a leather sheath 4 disposed on an inner surface of the inner sheath 2, and a cable core 5 disposed on an inner surface of the leather sheath 4.
The outer sheath 1 comprises, by mass, 58-72 parts of polypropylene master batch, 20-33 parts of epichlorohydrin rubber master batch, 18-28 parts of polyolefin thermoplastic elastomer, 15-18 parts of allyl resin, 3-5 parts of dispersant, 2-4 parts of initiator, 2-5 parts of flame retardant, 2-6 parts of processing aid, 2-3 parts of stabilizer, 1-4 parts of lubricant, 0.7-1.5 parts of antioxidant, 10-12 parts of modifier, 0.5-1.5 parts of adhesive, 0.5-1 part of hydrophobing agent, 1-5 parts of coupling agent, 1-3.5 parts of reinforcing agent, the polyolefin thermoplastic elastomer is a high-performance polyolefin material, the dispersant is an organic dispersant, the initiator is an azo initiator, the azo initiator comprises azobisisobutyronitrile but not limited to azobisisobutyronitrile, the flame retardant comprises but not limited to a non-halogen flame retardant, the processing aid is a stearin material, the stabilizer is organic rare earth, the lubricant is oleamide, the antioxidant comprises a peroxide decomposition antioxidant but is not limited to a peroxide decomposition antioxidant, the modifier is montmorillonite, the adhesive is phenolic resin, the hydrophobic agent is methyl silicone oil, the coupling agent comprises a chromium complex coupling agent but is not limited to a chromium complex coupling agent, and the reinforcing agent is nano boron fiber;
a preparation method of a recyclable environment-friendly cable comprises the following steps:
1) adding the polypropylene master batch, the epichlorohydrin rubber master batch, the polyolefin thermoplastic elastomer and the allyl resin into an internal mixer, and mixing for 10-15 minutes at 180-220 ℃ to obtain a mixed material;
2) adding a dispersing agent, an initiator, a flame retardant, a processing aid, a stabilizer, a lubricant, a coupling agent, a reinforcing agent and a modifier into the kneaded matter obtained in the step 1, continuously kneading for 5-10 minutes at 180-220 ℃, then adding an antioxidant, an adhesive and a hydrophobing agent into the kneaded matter, and kneading for 2-5 minutes at 160-180 ℃ to obtain a final kneaded matter;
3) discharging the material after the mixing in the step 2 through an internal mixer, then putting the material into a feeding hopper of a double-screw extruder, putting the material into the double-screw extruder through the feeding hopper, and carrying out hot melting and extrusion forming on the material by the double-screw extruder to obtain a recyclable outer sheath 1;
4) subsequently, the cable core 5 is drawn;
5) stranding a plurality of cable cores 5 after drawing;
6) after the stranding treatment, the outer sheath 1, the inner sheath 2, the glass fiber insulating sheath 3 and the leather sheath 4 are coated on the cable core 5 to prepare the recyclable environment-friendly cable;
7) and 3, controlling the temperature of the double-screw extruder to be 180-220 ℃, controlling the feeding frequency to be 15-35Hz, and controlling the rotating speed of the main machine to be 350-600 rpm.
The first embodiment is as follows:
the utility model provides a recoverable environmental protection cable, includes oversheath 1, and the inner chamber of oversheath 1 is provided with inner sheath 2, and the internal surface of oversheath 1 and the surface packing that is located inner sheath 2 have glass fiber insulating boot 3, and the internal surface of inner sheath 2 is provided with leather sheath 4, and the internal surface of leather sheath 4 is provided with cable core 5.
The outer sheath 1 comprises, by mass, 58-72 parts of polypropylene master batch, 20-33 parts of epichlorohydrin rubber master batch, 18-28 parts of polyolefin thermoplastic elastomer, 15-18 parts of allyl resin, 3-5 parts of dispersant, 2-4 parts of initiator, 2-5 parts of flame retardant, 2-6 parts of processing aid, 2-3 parts of stabilizer, 1-4 parts of lubricant, 0.7-1.5 parts of antioxidant, 10-12 parts of modifier, 0.5-1.5 parts of adhesive, 0.5-1 part of hydrophobing agent, 1-5 parts of coupling agent, 1-3.5 parts of reinforcing agent, the polyolefin thermoplastic elastomer is a high-performance polyolefin material, the dispersant is an organic dispersant, the initiator is an azo initiator, the azo initiator is an azodiisobutyronitrile material, the flame retardant comprises a non-halogen flame retardant but is not limited to a non-halogen flame retardant, and the processing aid is a glycerol stearate material, the material of the stabilizer is organic rare earth, the material of the lubricant is oleamide, the antioxidant comprises peroxide decomposition type antioxidant but not limited to peroxide decomposition type antioxidant, the material of the modifier is montmorillonite, the material of the adhesive is phenolic resin, the material of the hydrophobic agent is methyl silicone oil, the coupling agent comprises chromium complex coupling agent but not limited to chromium complex coupling agent, and the material of the reinforcing agent is nano boron fiber;
a preparation method of a recyclable environment-friendly cable comprises the following steps:
1) adding the polypropylene master batch, the epichlorohydrin rubber master batch, the polyolefin thermoplastic elastomer and the allyl resin into an internal mixer, and mixing for 12-17 minutes at 170-210 ℃ to obtain a mixed material;
2) adding a dispersing agent, an initiator, a flame retardant, a processing aid, a stabilizer, a lubricant, a coupling agent, a reinforcing agent and a modifier into the kneaded matter obtained in the step 1, continuously kneading for 12-17 minutes at 170-210 ℃, then adding an antioxidant, an adhesive and a hydrophobing agent into the kneaded matter, and kneading for 2-5 minutes at 180-200 ℃ to obtain a final kneaded matter;
3) discharging the material after the mixing in the step 2 through an internal mixer, then putting the material into a feeding hopper of a double-screw extruder, putting the material into the double-screw extruder through the feeding hopper, and carrying out hot melting and extrusion forming on the material by the double-screw extruder to obtain a recyclable outer sheath 1;
4) subsequently, the cable core 5 is drawn;
5) stranding a plurality of cable cores 5 after drawing;
6) after the stranding treatment, the outer sheath 1, the inner sheath 2, the glass fiber insulating sheath 3 and the leather sheath 4 are coated on the cable core 5 to prepare the recyclable environment-friendly cable;
7) and 3, the temperature of the double-screw extruder is 170-210 ℃, the feeding frequency is 20-35Hz, and the rotating speed of the main machine is 300-600 rpm.
Example two:
the utility model provides a recoverable environmental protection cable, includes oversheath 1, and the inner chamber of oversheath 1 is provided with inner sheath 2, and the internal surface of oversheath 1 and the surface packing that is located inner sheath 2 have glass fiber insulating boot 3, and the internal surface of inner sheath 2 is provided with leather sheath 4, and the internal surface of leather sheath 4 is provided with cable core 5.
The outer sheath 1 comprises, by mass, 58-72 parts of polypropylene master batch, 20-33 parts of epichlorohydrin rubber master batch, 18-28 parts of polyolefin thermoplastic elastomer, 15-18 parts of allyl resin, 3-5 parts of dispersant, 2-4 parts of initiator, 2-5 parts of flame retardant, 2-6 parts of processing aid, 2-3 parts of stabilizer, 1-4 parts of lubricant, 0.7-1.5 parts of antioxidant, 10-12 parts of modifier, 0.5-1.5 parts of adhesive, 0.5-1 part of hydrophobing agent, 1-5 parts of coupling agent, 1-3.5 parts of reinforcing agent, the polyolefin thermoplastic elastomer is a high-performance polyolefin material, the dispersant is an organic dispersant, the initiator is an azo initiator, the azo initiator comprises azodiisobutyronitrile but not limited to azodiisobutyronitrile, the flame retardant is a non-halogen flame retardant, the processing aid is a glyceryl stearate material, the material of the stabilizer is organic rare earth, the material of the lubricant is oleamide, the antioxidant comprises peroxide decomposition type antioxidant but not limited to peroxide decomposition type antioxidant, the material of the modifier is montmorillonite, the material of the adhesive is phenolic resin, the material of the hydrophobic agent is methyl silicone oil, the coupling agent comprises chromium complex coupling agent but not limited to chromium complex coupling agent, and the material of the reinforcing agent is nano boron fiber;
a preparation method of a recyclable environment-friendly cable comprises the following steps:
1) adding the polypropylene master batch, the epichlorohydrin rubber master batch, the polyolefin thermoplastic elastomer and the allyl resin into an internal mixer, and mixing for 8-12 minutes at 180-240 ℃ to obtain a mixed material;
2) adding a dispersing agent, an initiator, a flame retardant, a processing aid, a stabilizer, a lubricant, a coupling agent, a reinforcing agent and a modifier into the kneaded matter obtained in the step 1, continuously kneading for 8-12 minutes at 180-240 ℃, then adding an antioxidant, an adhesive and a hydrophobing agent into the kneaded matter, and kneading for 2-8 minutes at 160-180 ℃ to obtain a final kneaded matter;
3) discharging the material after the mixing in the step 2 through an internal mixer, then putting the material into a feeding hopper of a double-screw extruder, putting the material into the double-screw extruder through the feeding hopper, and carrying out hot melting and extrusion forming on the material by the double-screw extruder to obtain a recyclable outer sheath 1;
4) subsequently, the cable core 5 is drawn;
5) stranding a plurality of cable cores 5 after drawing;
6) after the stranding treatment, the outer sheath 1, the inner sheath 2, the glass fiber insulating sheath 3 and the leather sheath 4 are coated on the cable core 5 to prepare the recyclable environment-friendly cable;
7) and 3, the temperature of the double-screw extruder is 180-240 ℃, the feeding frequency is 15-30Hz, and the rotating speed of the host is 320-570 rpm.
Example three:
the utility model provides a recoverable environmental protection cable, includes oversheath 1, and the inner chamber of oversheath 1 is provided with inner sheath 2, and the internal surface of oversheath 1 and the surface packing that is located inner sheath 2 have glass fiber insulating boot 3, and the internal surface of inner sheath 2 is provided with leather sheath 4, and the internal surface of leather sheath 4 is provided with cable core 5.
The outer sheath 1 comprises, by mass, 58-72 parts of polypropylene master batch, 20-33 parts of epichlorohydrin rubber master batch, 18-28 parts of polyolefin thermoplastic elastomer, 15-18 parts of allyl resin, 3-5 parts of dispersant, 2-4 parts of initiator, 2-5 parts of flame retardant, 2-6 parts of processing aid, 2-3 parts of stabilizer, 1-4 parts of lubricant, 0.7-1.5 parts of antioxidant, 10-12 parts of modifier, 0.5-1.5 parts of adhesive, 0.5-1 part of hydrophobing agent, 1-5 parts of coupling agent, 1-3.5 parts of reinforcing agent, the polyolefin thermoplastic elastomer is a high-performance polyolefin material, the dispersant is an organic dispersant, the initiator is an azo initiator, the azo initiator comprises azobisisobutyronitrile but not limited to azobisisobutyronitrile, the flame retardant comprises but not limited to a non-halogen flame retardant, the processing aid is a stearin material, the stabilizer is organic rare earth, the lubricant is oleamide, the antioxidant is a peroxide decomposition type antioxidant, the modifier is montmorillonite, the adhesive is phenolic resin, the hydrophobic agent is methyl silicone oil, the coupling agent comprises a chromium complex coupling agent but is not limited to a chromium complex coupling agent, and the reinforcing agent is nano boron fiber;
a preparation method of a recyclable environment-friendly cable comprises the following steps:
1) adding the polypropylene master batch, the epichlorohydrin rubber master batch, the polyolefin thermoplastic elastomer and the allyl resin into an internal mixer, and mixing for 10-17 minutes at 170-220 ℃ to obtain a mixed material;
2) adding a dispersing agent, an initiator, a flame retardant, a processing aid, a stabilizer, a lubricant, a coupling agent, a reinforcing agent and a modifier into the kneaded matter obtained in the step 1, continuously kneading for 5-15 minutes at 170-220 ℃, then adding an antioxidant, an adhesive and a hydrophobing agent into the kneaded matter, and kneading for 2-7 minutes at 150-180 ℃ to obtain a final kneaded matter;
3) discharging the material after the mixing in the step 2 through an internal mixer, then putting the material into a feeding hopper of a double-screw extruder, putting the material into the double-screw extruder through the feeding hopper, and carrying out hot melting and extrusion forming on the material by the double-screw extruder to obtain a recyclable outer sheath 1;
4) subsequently, the cable core 5 is drawn;
5) stranding a plurality of cable cores 5 after drawing;
6) after the stranding treatment, the outer sheath 1, the inner sheath 2, the glass fiber insulating sheath 3 and the leather sheath 4 are coated on the cable core 5 to prepare the recyclable environment-friendly cable;
7) and 3, controlling the temperature of the double-screw extruder to be 170-220 ℃, controlling the feeding frequency to be 20-40Hz, and controlling the rotating speed of the main machine to be 350-600 rpm.
Example four:
the utility model provides a recoverable environmental protection cable, includes oversheath 1, and the inner chamber of oversheath 1 is provided with inner sheath 2, and the internal surface of oversheath 1 and the surface packing that is located inner sheath 2 have glass fiber insulating boot 3, and the internal surface of inner sheath 2 is provided with leather sheath 4, and the internal surface of leather sheath 4 is provided with cable core 5.
The outer sheath 1 comprises, by mass, 58-72 parts of polypropylene master batch, 20-33 parts of epichlorohydrin rubber master batch, 18-28 parts of polyolefin thermoplastic elastomer, 15-18 parts of allyl resin, 3-5 parts of dispersant, 2-4 parts of initiator, 2-5 parts of flame retardant, 2-6 parts of processing aid, 2-3 parts of stabilizer, 1-4 parts of lubricant, 0.7-1.5 parts of antioxidant, 10-12 parts of modifier, 0.5-1.5 parts of adhesive, 0.5-1 part of hydrophobing agent, 1-5 parts of coupling agent, 1-3.5 parts of reinforcing agent, the polyolefin thermoplastic elastomer is a high-performance polyolefin material, the dispersant is an organic dispersant, the initiator is an azo initiator, the azo initiator comprises azobisisobutyronitrile but not limited to azobisisobutyronitrile, the flame retardant comprises but not limited to a non-halogen flame retardant, the processing aid is a stearin material, the stabilizer is organic rare earth, the lubricant is oleamide, the antioxidant comprises a peroxide decomposition antioxidant but is not limited to a peroxide decomposition antioxidant, the modifier is montmorillonite, the adhesive is phenolic resin, the hydrophobic agent is methyl silicone oil, the coupling agent is a chromium complex coupling agent, and the reinforcing agent is nano boron fiber;
a preparation method of a recyclable environment-friendly cable comprises the following steps:
1) adding the polypropylene master batch, the epichlorohydrin rubber master batch, the polyolefin thermoplastic elastomer and the allyl resin into an internal mixer, and mixing for 5-13 minutes at 200-250 ℃ to obtain a mixed material;
2) adding a dispersing agent, an initiator, a flame retardant, a processing aid, a stabilizer, a lubricant, a coupling agent, a reinforcing agent and a modifier into the kneaded matter obtained in the step 1, continuously kneading for 5-13 minutes at 200-250 ℃, then adding an antioxidant, an adhesive and a hydrophobing agent into the kneaded matter, and kneading for 5-8 minutes at 160-180 ℃ to obtain a final kneaded matter;
3) discharging the material after the mixing in the step 2 through an internal mixer, then putting the material into a feeding hopper of a double-screw extruder, putting the material into the double-screw extruder through the feeding hopper, and carrying out hot melting and extrusion forming on the material by the double-screw extruder to obtain a recyclable outer sheath 1;
4) subsequently, the cable core 5 is drawn;
5) stranding a plurality of cable cores 5 after drawing;
6) after the stranding treatment, the outer sheath 1, the inner sheath 2, the glass fiber insulating sheath 3 and the leather sheath 4 are coated on the cable core 5 to prepare the recyclable environment-friendly cable;
7) and 3, the temperature of the double-screw extruder is 180-210 ℃, the feeding frequency is 15-35Hz, and the rotating speed of the host is 340-590 rpm.
In summary, the following steps: the preparation method of the recyclable environment-friendly cable solves the problems that a traditional cable is poor in high temperature resistance, strength, impact resistance, flame retardance and hydrophobicity, the service life of the cable is shortened, and meanwhile, the problem that the cable is difficult to recycle after the cable reaches the final service life is solved.
Claims (10)
1. A recyclable environmental protection cable comprising an outer sheath (1), characterized in that: the inner cavity of the outer sheath (1) is provided with an inner sheath (2), the inner surface of the outer sheath (1) and the outer surface of the inner sheath (2) are filled with a glass fiber insulating sleeve (3), the inner surface of the inner sheath (2) is provided with a leather sheath (4), and the inner surface of the leather sheath (4) is provided with a cable core (5).
2. The recyclable eco-friendly cable according to claim 1, wherein: the outer sheath (1) comprises, by mass, 58-72 parts of polypropylene master batch, 20-33 parts of epichlorohydrin rubber master batch, 18-28 parts of polyolefin thermoplastic elastomer, 15-18 parts of allyl resin, 3-5 parts of dispersing agent, 2-4 parts of initiator, 2-5 parts of flame retardant, 2-6 parts of processing aid, 2-3 parts of stabilizer, 1-4 parts of lubricant, 0.7-1.5 parts of antioxidant, 10-12 parts of modifier, 0.5-1.5 parts of adhesive, 0.5-1 part of hydrophobing agent, 1-5 parts of coupling agent and 1-3.5 parts of reinforcing agent.
3. The method for preparing a recyclable eco-friendly cable according to any one of claims 1-2, wherein: the method comprises the following steps:
1) adding the polypropylene master batch, the epichlorohydrin rubber master batch, the polyolefin thermoplastic elastomer and the allyl resin into an internal mixer, and mixing for 10-15 minutes at 180-220 ℃ to obtain a mixed material;
2) adding a dispersing agent, an initiator, a flame retardant, a processing aid, a stabilizer, a lubricant, a coupling agent, a reinforcing agent and a modifier into the kneaded matter obtained in the step 1, continuously kneading for 5-10 minutes at 180-220 ℃, then adding an antioxidant, an adhesive and a hydrophobing agent into the kneaded matter, and kneading for 2-5 minutes at 160-180 ℃ to obtain a final kneaded matter;
3) discharging the material after the mixing in the step 2 through an internal mixer, then putting the material into a feeding hopper of a double-screw extruder, putting the material into the double-screw extruder through the feeding hopper, and carrying out hot melting and extrusion forming on the material by the double-screw extruder to obtain a recyclable outer sheath (1);
4) subsequently drawing the cable core (5);
5) stranding a plurality of cable cores (5) after drawing;
6) after the stranding treatment, the outer sheath (1), the inner sheath (2), the glass fiber insulating sleeve (3) and the leather sheath (4) are coated on the cable core (5) to prepare the recyclable environment-friendly cable;
7) and 3, controlling the temperature of the double-screw extruder to be 180-220 ℃, controlling the feeding frequency to be 15-35Hz, and controlling the rotating speed of the main machine to be 350-600 rpm.
4. The recyclable eco-friendly cable according to claim 2, wherein: the polyolefin thermoplastic elastomer is a high-performance polyolefin material, and the dispersing agent is an organic dispersing agent.
5. The recyclable eco-friendly cable according to claim 2, wherein: the initiator is an azo initiator, and the azo initiator includes azobisisobutyronitrile but is not limited to azobisisobutyronitrile.
6. The recyclable eco-friendly cable according to claim 2, wherein: the flame retardant includes but is not limited to non-halogen flame retardant, and the processing aid is glyceryl stearate material.
7. The recyclable eco-friendly cable according to claim 2, wherein: the material of the stabilizer is organic rare earth, and the material of the lubricant is oleamide.
8. The recyclable eco-friendly cable according to claim 2, wherein: the antioxidant comprises a peroxide decomposition type antioxidant but is not limited to the peroxide decomposition type antioxidant, and the modifier is montmorillonite.
9. The recyclable eco-friendly cable according to claim 2, wherein: the adhesive is made of phenolic resin, and the hydrophobic agent is made of methyl silicone oil.
10. The recyclable eco-friendly cable according to claim 2, wherein: the coupling agent comprises a chromium complex coupling agent but is not limited to the chromium complex coupling agent, and the material of the reinforcing agent is nano boron fiber.
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109912890A (en) * | 2019-03-27 | 2019-06-21 | 哈尔滨理工大学 | The fire-retardant low dielectric polypropylene material of one kind and preparation method and application |
| CN211929148U (en) * | 2020-04-24 | 2020-11-13 | 李欣怡 | Wear-resistant communication cable |
| CN112820466A (en) * | 2020-12-30 | 2021-05-18 | 贵州新曙光电缆有限公司 | Crosslinked polyethylene insulation halogen-free low-smoke flame-retardant power cable |
-
2021
- 2021-09-28 CN CN202111144036.3A patent/CN113773581A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109912890A (en) * | 2019-03-27 | 2019-06-21 | 哈尔滨理工大学 | The fire-retardant low dielectric polypropylene material of one kind and preparation method and application |
| CN211929148U (en) * | 2020-04-24 | 2020-11-13 | 李欣怡 | Wear-resistant communication cable |
| CN112820466A (en) * | 2020-12-30 | 2021-05-18 | 贵州新曙光电缆有限公司 | Crosslinked polyethylene insulation halogen-free low-smoke flame-retardant power cable |
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