CN116344122A - Efficient production process of automobile wire - Google Patents
Efficient production process of automobile wire Download PDFInfo
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- CN116344122A CN116344122A CN202211722310.5A CN202211722310A CN116344122A CN 116344122 A CN116344122 A CN 116344122A CN 202211722310 A CN202211722310 A CN 202211722310A CN 116344122 A CN116344122 A CN 116344122A
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 26
- 239000000463 material Substances 0.000 claims abstract description 41
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims abstract description 33
- 239000003063 flame retardant Substances 0.000 claims abstract description 33
- 238000004132 cross linking Methods 0.000 claims abstract description 14
- 239000011810 insulating material Substances 0.000 claims abstract description 13
- 230000005855 radiation Effects 0.000 claims abstract description 12
- 238000002156 mixing Methods 0.000 claims abstract description 11
- 238000000137 annealing Methods 0.000 claims abstract description 8
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 8
- 239000002534 radiation-sensitizing agent Substances 0.000 claims abstract description 8
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 6
- 229910052802 copper Inorganic materials 0.000 claims abstract description 6
- 239000010949 copper Substances 0.000 claims abstract description 6
- 150000001875 compounds Chemical class 0.000 claims description 13
- 239000004594 Masterbatch (MB) Substances 0.000 claims description 10
- 238000001125 extrusion Methods 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 7
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 claims description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 5
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 5
- 239000010439 graphite Substances 0.000 claims description 5
- 229910002804 graphite Inorganic materials 0.000 claims description 5
- 239000000314 lubricant Substances 0.000 claims description 5
- 229910000077 silane Inorganic materials 0.000 claims description 5
- -1 silane modified magnesium hydroxide Chemical class 0.000 claims description 5
- KOMNUTZXSVSERR-UHFFFAOYSA-N 1,3,5-tris(prop-2-enyl)-1,3,5-triazinane-2,4,6-trione Chemical compound C=CCN1C(=O)N(CC=C)C(=O)N(CC=C)C1=O KOMNUTZXSVSERR-UHFFFAOYSA-N 0.000 claims description 4
- 239000003963 antioxidant agent Substances 0.000 claims description 4
- 230000003078 antioxidant effect Effects 0.000 claims description 4
- 239000012752 auxiliary agent Substances 0.000 claims description 4
- XMNIXWIUMCBBBL-UHFFFAOYSA-N 2-(2-phenylpropan-2-ylperoxy)propan-2-ylbenzene Chemical compound C=1C=CC=CC=1C(C)(C)OOC(C)(C)C1=CC=CC=C1 XMNIXWIUMCBBBL-UHFFFAOYSA-N 0.000 claims description 3
- DMWVYCCGCQPJEA-UHFFFAOYSA-N 2,5-bis(tert-butylperoxy)-2,5-dimethylhexane Chemical compound CC(C)(C)OOC(C)(C)CCC(C)(C)OOC(C)(C)C DMWVYCCGCQPJEA-UHFFFAOYSA-N 0.000 claims description 2
- 239000004641 Diallyl-phthalate Substances 0.000 claims description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 2
- QUDWYFHPNIMBFC-UHFFFAOYSA-N bis(prop-2-enyl) benzene-1,2-dicarboxylate Chemical compound C=CCOC(=O)C1=CC=CC=C1C(=O)OCC=C QUDWYFHPNIMBFC-UHFFFAOYSA-N 0.000 claims description 2
- ZFSLODLOARCGLH-UHFFFAOYSA-N isocyanuric acid Chemical compound OC1=NC(O)=NC(O)=N1 ZFSLODLOARCGLH-UHFFFAOYSA-N 0.000 claims description 2
- 239000002994 raw material Substances 0.000 claims description 2
- 239000011593 sulfur Substances 0.000 claims description 2
- 229910052717 sulfur Inorganic materials 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 7
- 238000009413 insulation Methods 0.000 abstract description 3
- 238000002360 preparation method Methods 0.000 description 7
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 description 6
- 239000005038 ethylene vinyl acetate Substances 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 4
- 239000004433 Thermoplastic polyurethane Substances 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- 239000000806 elastomer Substances 0.000 description 2
- NAQMVNRVTILPCV-UHFFFAOYSA-N hexane-1,6-diamine Chemical compound NCCCCCCN NAQMVNRVTILPCV-UHFFFAOYSA-N 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 238000011056 performance test Methods 0.000 description 2
- 229920002803 thermoplastic polyurethane Polymers 0.000 description 2
- 238000004073 vulcanization Methods 0.000 description 2
- WYTZZXDRDKSJID-UHFFFAOYSA-N (3-aminopropyl)triethoxysilane Chemical compound CCO[Si](OCC)(OCC)CCCN WYTZZXDRDKSJID-UHFFFAOYSA-N 0.000 description 1
- 229920002943 EPDM rubber Polymers 0.000 description 1
- 229920001730 Moisture cure polyurethane Polymers 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- OHRVBDRGLIWLPA-UHFFFAOYSA-N [3-hydroxy-2,2-bis(hydroxymethyl)propyl] dihydrogen phosphate Chemical compound OCC(CO)(CO)COP(O)(O)=O OHRVBDRGLIWLPA-UHFFFAOYSA-N 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- CJZGTCYPCWQAJB-UHFFFAOYSA-L calcium stearate Chemical compound [Ca+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O CJZGTCYPCWQAJB-UHFFFAOYSA-L 0.000 description 1
- 239000008116 calcium stearate Substances 0.000 description 1
- 235000013539 calcium stearate Nutrition 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 239000012948 isocyanate Substances 0.000 description 1
- 150000002513 isocyanates Chemical class 0.000 description 1
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 description 1
- 239000000347 magnesium hydroxide Substances 0.000 description 1
- 229910001862 magnesium hydroxide Inorganic materials 0.000 description 1
- 239000012764 mineral filler Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 229920001897 terpolymer Polymers 0.000 description 1
- 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 description 1
Classifications
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- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/20—Compounding polymers with additives, e.g. colouring
- C08J3/22—Compounding polymers with additives, e.g. colouring using masterbatch techniques
- C08J3/223—Packed additives
-
- 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
- H01B13/003—Apparatus or processes specially adapted for manufacturing conductors or cables using irradiation
-
- 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
- H01B13/227—Pretreatment
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
- H01B3/02—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of inorganic substances
- H01B3/025—Other inorganic material
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
- H01B3/02—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of inorganic substances
- H01B3/10—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of inorganic substances metallic oxides
-
- 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
- H01B7/30—Insulated conductors or cables characterised by their form with arrangements for reducing conductor losses when carrying alternating current, e.g. due to skin effect
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2423/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2423/04—Homopolymers or copolymers of ethene
- C08J2423/08—Copolymers of ethene
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- 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
- C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
- C08K13/06—Pretreated ingredients and ingredients covered by the main groups C08K3/00 - C08K7/00
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- 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
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- C08K3/02—Elements
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- 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
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- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2217—Oxides; Hydroxides of metals of magnesium
- C08K2003/2224—Magnesium hydroxide
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- 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
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2227—Oxides; Hydroxides of metals of aluminium
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- 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
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- 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
- C08K5/00—Use of organic ingredients
- C08K5/16—Nitrogen-containing compounds
- C08K5/34—Heterocyclic compounds having nitrogen in the ring
- C08K5/3467—Heterocyclic compounds having nitrogen in the ring having more than two nitrogen atoms in the ring
- C08K5/3477—Six-membered rings
- C08K5/3492—Triazines
- C08K5/34924—Triazines containing cyanurate groups; Tautomers thereof
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- C08K9/00—Use of pretreated ingredients
- C08K9/04—Ingredients treated with organic substances
- C08K9/06—Ingredients treated with organic substances with silicon-containing compounds
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Abstract
The invention relates to a high-efficiency production process of an automobile wire, and belongs to the technical field of wire production. The high-efficiency production process comprises the following steps: s1, mixing flame-retardant insulating material master batches, a radiation sensitizer and a vulcanizing agent at a high speed to obtain an insulating layer material for later use; s2, drawing a plurality of copper wires into a single wire, annealing, and twisting to obtain a wire; s3, mixing and extruding the insulating layer material and the wire at a high speed through an extruder to obtain a wire material; s4, the wire material is subjected to radiation crosslinking through an electron accelerator, and the automobile wire is obtained. The efficient production process not only can efficiently and rapidly produce the automobile wire, but also has good mechanical properties and excellent flame-retardant insulation effect.
Description
Technical Field
The invention belongs to the technical field of wire production, and relates to a high-efficiency production process of an automobile wire.
Background
With the rapid development of social economy, automobiles are becoming more and more popular in large cities in China, and the demand is increasing year by year. As a necessary material for automobiles, the demand for automobile electric wires is also increasing. At present, the automobile wire is high in demand and consumption, strict in technical requirements and high in engine room temperature in daily running, and an ordinary insulating layer of the automobile wire is easy to degrade after being heated, so that the insulating layer is aged, and short-circuit danger is caused. Therefore, development of an efficient production process for the automobile wire with good flame-retardant and insulating effects of the insulating layer has great significance.
Chinese patent CN111647265B (an oil-resistant low-smoke halogen-free flame-retardant flexible polyurethane cable material and a preparation method thereof) discloses a preparation method of an electric wire, but the preparation process of the electric wire production process is complex, and the efficiency still needs to be further improved.
Disclosure of Invention
In order to further improve the efficiency of the existing automobile wire production process, the invention provides an efficient production process of the automobile wire, which not only can be used for efficiently and rapidly producing the automobile wire, but also has good mechanical properties and excellent flame-retardant insulation effect.
The invention aims to provide a high-efficiency production process of an automobile wire.
The aim of the invention can be achieved by the following technical scheme:
an efficient production process of an automobile wire comprises the following steps:
s1, mixing flame-retardant insulating material master batches, a radiation sensitizer and a vulcanizing agent at a high speed to obtain an insulating layer material for later use;
s2, drawing a plurality of copper wires into a single wire, annealing, and twisting to obtain a wire;
s3, extruding the insulating layer material and the lead at a high speed through an extruder to obtain an electric wire material;
s4, the wire material is subjected to radiation crosslinking through an electron accelerator, and the automobile wire is obtained.
According to the invention, the flame-retardant insulating material master batch, the radiation sensitizer and the vulcanizing agent are mixed at a high speed to initiate vulcanization reaction, so that a cross-linked network is formed in the insulating layer material, the mechanical property of the material is improved, the material is mixed with a wire, the extrusion speed is improved through the specific flame-retardant insulating material master batch, the wire material is produced at a high speed, then the wire material is subjected to radiation cross-linking through an electron accelerator, the dimensional stability, the heat resistance and the mechanical property of the wire are greatly improved by means of the radiation sensitizer, and the automobile wire with excellent performance is efficiently and rapidly obtained.
As a preferable technical scheme of the invention, the flame-retardant insulating material master batch S1 comprises the following raw materials in parts by weight: 60-80 parts of EVA, 20-30 parts of POE, 110-140 parts of compound flame retardant, 2-5 parts of antioxidant, 5-20 parts of compatilizer, 10-20 parts of crosslinking auxiliary agent and 5-8 parts of lubricant; the compound flame retardant comprises the following components in parts by weight: 30-35 parts of aluminum hydroxide, 60-70 parts of silane modified magnesium hydroxide, 10-15 parts of expandable graphite and 10-20 parts of coated red phosphorus.
Preferably, the irradiation sensitizer in S1 is one or two of triallyl isocyanurate and diallyl phthalate; the vulcanizing agent is one or more of dicumyl peroxide, 2, 5-dimethyl-2, 5-di (tert-butylperoxy) hexane, sulfur and cyanuric acid.
Preferably, the high-speed mixing rotating speed of S1 is 2200-2500 r/min, and the time is 20-30 min.
Preferably, the annealing temperature of S2 is 580-630 ℃.
Preferably, the high speed extrusion extruder temperature of S3 is: the first section is 140-160 ℃, the second section is 165-185 ℃, the third section is 190-200 ℃, the fourth section is 200-210 ℃, the neck is 210-220 ℃ and the die is 225 ℃.
Preferably, the high-speed extrusion linear speed of S3 reaches 100-150 m/min.
Preferably, the radiation crosslinking radiation dose of the S4 is 100-150 kGy for 15-30 min.
The invention has the beneficial effects that:
(1) The EVA system flame-retardant insulating material master batch using the compound flame retardant, and the compound flame retardant in the flame-retardant insulating material master batch contain silane modified magnesium hydroxide, aluminum hydroxide, expandable graphite and coated red phosphorus, and the compound flame retardant is prepared by compounding the compound flame retardant in a specific proportion, so that the flame-retardant effect of the compound flame retardant is greatly improved through a synergistic effect, the addition of the compound flame retardant in a high polymer material can be effectively reduced while the flame-retardant aim is achieved, and the compound flame retardant is compounded with materials such as EVA, POE and lubricant, so that the materials are easy to disperse uniformly, agglomeration is avoided, the mechanical property of the wire material is improved, the flowability of the whole system is improved, the extrusion molding processing is facilitated, and the extrusion speed of the wire material is greatly accelerated.
(2) According to the method, the flame-retardant insulating material master batch, the radiation sensitizer and the vulcanizing agent are mixed at a high speed, the vulcanization reaction between the polymer chain segments of the composite material is initiated, so that a cross-linked network is formed inside the insulating layer material, the mechanical property of the material is improved, the material is mixed with a conducting wire, the wire material is produced at a high speed, the wire material is subjected to radiation cross-linking through an electron accelerator, the dimensional stability, the heat resistance and the mechanical property of the wire are greatly improved by means of the radiation sensitizer, and the automobile wire with excellent performance is efficiently and rapidly obtained.
(3) According to the automobile wire production process developed by matching the specific flame-retardant insulating material master batch with the radiation sensitizer and the vulcanizing agent under the specific process conditions, the automobile wire can be produced efficiently and rapidly, and the obtained automobile wire has good mechanical properties and excellent flame-retardant insulating effect.
Detailed Description
In order to further describe the technical means and effects adopted by the present invention for achieving the intended purpose, the following detailed description will refer to the specific embodiments, structures, features and effects according to the present invention in conjunction with examples.
The starting materials in the examples are all commercially available; unless specifically stated otherwise, the reagents, methods and apparatus employed in the present invention are those conventional in the art.
Example 1
An efficient production process of an automobile wire comprises the following steps:
s1, 68 parts by weight of EVA, 25 parts by weight of POE, 120 parts by weight of compound flame retardant (30 parts by weight of aluminum hydroxide, 62 parts by weight of silane modified magnesium hydroxide, 13 parts by weight of expandable graphite, 15 parts by weight of coated red phosphorus), 3 parts by weight of antioxidant, 12 parts by weight of compatilizer, 17 parts by weight of crosslinking auxiliary agent and 6 parts by weight of lubricant are mixed at high speed for 25min to obtain an insulating layer material for later use;
s2, drawing a plurality of copper wires into a single wire, annealing at 600 ℃, and twisting to obtain a wire;
s3, mixing and extruding the insulating layer material and the wire at a high speed through an extruder, wherein the specific temperature is 152 ℃, the first section is 174 ℃, the third section is 191 ℃, the fourth section is 203 ℃, the neck is 218 ℃, and the die is 225 ℃ and 130m/min, so as to obtain the wire material;
s4, carrying out radiation crosslinking on the wire material for 20min through an electron accelerator of 127kGy to obtain the automobile wire.
Preparation of 2.5mm 2 The total time of the automobile wire of x 20km is 138min.
Example 2
An efficient production process of an automobile wire comprises the following steps:
s1, 68 parts of EVA, 25 parts of POE, 120 parts of compound flame retardant (30 parts of aluminum hydroxide, 62 parts of silane modified magnesium hydroxide, 13 parts of expandable graphite, 15 parts of coated red phosphorus), 3 parts of antioxidant, 12 parts of compatilizer, 17 parts of crosslinking auxiliary agent and 6 parts of lubricant, wherein the prepared flame retardant insulating material master batch, triallyl isocyanurate and dicumyl peroxide 2400r/min are mixed at a high speed for 28min to obtain an insulating layer material for later use;
s2, drawing a plurality of copper wires into a single wire, annealing at 610 ℃, and twisting to obtain a wire;
s3, mixing and extruding the insulating layer material and the wire at a high speed through an extruder, wherein the specific temperature is 155 ℃ in a first section, 178 ℃ in a second section, 195 ℃ in a third section, 207 ℃ in a fourth section, 214 ℃ in a neck, 225 ℃ in a mouth mold and 120m/min, and extruding to obtain the wire material;
s4, carrying out radiation crosslinking on the wire material for 20min through an electron accelerator of 135kGy to obtain the automobile wire.
Preparation of 2.5mm 2 The total time of the automobile wire of x 20km is 143min.
Comparative example 1
The production process of the automobile wire comprises the following steps:
s1, mixing 30 parts by weight of thermoplastic polyurethane elastomer, 7 parts by weight of ethylene-vinyl acetate rubber, 10 parts by weight of ethylene propylene diene monomer rubber, 5 parts by weight of ethylene-methyl acrylate-glycidyl methacrylate terpolymer, 5 parts by weight of polyether-terminated isocyanate-based polyurethane prepolymer, 41 parts by weight of magnesium hydroxide, 41 parts by weight of aluminum hydroxide, 8.2 parts by weight of zinc borate, 5 parts by weight of pentaerythritol phosphate, 14 parts by weight of white carbon black, 5 parts by weight of mineral filler, 3 parts by weight of N, N' -bis- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionyl) hexamethylenediamine, 1.5 parts by weight of 1,3, 5-tris (4-tert-butyl-3-hydroxy-2, 6-dimethylbenzyl), 4.5 parts by weight of cyanot V703, 0.5 parts by weight of gamma-aminopropyl triethoxysilane, 1 part by weight of trishydroxyethyl methyl quaternary ammonium methyl sulfate, 1 part by weight of flame retardant insulating material master batch prepared from calcium stearate, triallyl isocyanurate and dicumperoxide at a high speed for 8min to obtain an insulating layer material;
s2, drawing a plurality of copper wires into a single wire, annealing at 610 ℃, and twisting to obtain a wire;
s3, mixing and extruding the insulating layer material and the lead through an extruder, wherein the specific temperature is 185 ℃ in the first section, 190 ℃ in the second section, 200 ℃ in the third section, 205 ℃ in the fourth section, 215 ℃ in the neck and 215 ℃ in the mouth mold, and extruding to obtain the wire material;
s4, carrying out radiation crosslinking on the wire material for 13min through an electron accelerator of 210kGy to obtain the automobile wire.
Preparation of 2.5mm 2 The total time of the automobile wire of x 20km is 258min.
The performance tests were performed according to JB/T10707-2007 on examples 1, 2 and comparative example 1 above, and the results are shown in Table 1.
Table 1 results of performance tests of examples 1, 2 and comparative example 1
As can be seen from the comprehensive preparation time and Table 1, the invention greatly shortens the production time of the automobile wire by a specific formula and process, the time of each embodiment is within 150min, and the obtained wire has excellent flame retardance, insulativity and mechanical property; in comparative example 1, however, the thermoplastic polyurethane elastomer system material used cannot be extruded at a high speed due to the formulation adjustment, so that the production time is greatly increased, the process difficulty is increased, and the obtained wire has poor tensile strength, flame retardance and insulation.
The present invention is not limited to the above embodiments, but is capable of modification and variation in detail, and other modifications and variations can be made by those skilled in the art without departing from the scope of the present invention.
Claims (8)
1. An efficient production process of an automobile wire is characterized by comprising the following steps of:
s1, mixing flame-retardant insulating material master batches, a radiation sensitizer and a vulcanizing agent at a high speed to obtain an insulating layer material for later use;
s2, drawing a plurality of copper wires into a single wire, annealing, and twisting to obtain a wire;
s3, mixing and extruding the insulating layer material and the wire at a high speed through an extruder to obtain a wire material;
s4, the wire material is subjected to radiation crosslinking through an electron accelerator, and the automobile wire is obtained.
2. The efficient production process of the automobile wire according to claim 1, wherein the flame-retardant insulating material master batch S1 comprises the following raw materials in parts by weight: 60-80 parts of EVA, 20-30 parts of POE, 110-140 parts of compound flame retardant, 2-5 parts of antioxidant, 5-20 parts of compatilizer, 10-20 parts of crosslinking auxiliary agent and 5-8 parts of lubricant; the compound flame retardant comprises the following components in parts by weight: 30-35 parts of aluminum hydroxide, 60-70 parts of silane modified magnesium hydroxide, 10-15 parts of expandable graphite and 10-20 parts of coated red phosphorus.
3. The efficient production process of the automobile wire according to claim 1, wherein the irradiation sensitizer S1 is one or two of triallyl isocyanurate and diallyl phthalate; the vulcanizing agent is one or more of dicumyl peroxide, 2, 5-dimethyl-2, 5-di (tert-butylperoxy) hexane, sulfur and cyanuric acid.
4. The efficient production process of the automotive wire according to claim 1, wherein the high-speed mixing rotation speed of S1 is 2200-2500 r/min for 20-30 min.
5. The efficient process for producing an automotive wire according to claim 1, wherein the annealing temperature of S2 is 580 to 630 ℃.
6. The efficient process for producing an automotive wire according to claim 1, wherein the high-speed extrusion extruder temperature of S3 is: the first section is 140-160 ℃, the second section is 165-185 ℃, the third section is 190-200 ℃, the fourth section is 200-210 ℃, the neck is 210-220 ℃ and the die is 225 ℃.
7. The efficient production process of an automotive wire according to claim 1, wherein the high-speed extrusion line speed of S3 is 100 to 150m/min.
8. The efficient production process of the automotive wire according to claim 1, wherein the radiation crosslinking radiation dose of S4 is 100-150 kGy for 15-30 min.
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| CN118986790A (en) * | 2024-08-07 | 2024-11-22 | 东莞市百拓实业有限公司 | Tri-nail-free oil-glue color glue composition and preparation method thereof |
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| CN118986790A (en) * | 2024-08-07 | 2024-11-22 | 东莞市百拓实业有限公司 | Tri-nail-free oil-glue color glue composition and preparation method thereof |
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