CN113956659A - Corrosion-radiation-resistant environment-friendly special electromagnetic wire - Google Patents
Corrosion-radiation-resistant environment-friendly special electromagnetic wire Download PDFInfo
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- CN113956659A CN113956659A CN202111237729.7A CN202111237729A CN113956659A CN 113956659 A CN113956659 A CN 113956659A CN 202111237729 A CN202111237729 A CN 202111237729A CN 113956659 A CN113956659 A CN 113956659A
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- 239000004020 conductor Substances 0.000 claims abstract description 28
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 15
- 229920003055 poly(ester-imide) Polymers 0.000 claims abstract description 15
- 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 14
- 239000003063 flame retardant Substances 0.000 claims abstract description 14
- 239000004014 plasticizer Substances 0.000 claims abstract description 14
- 229920002635 polyurethane Polymers 0.000 claims abstract description 14
- 239000004814 polyurethane Substances 0.000 claims abstract description 14
- 239000004800 polyvinyl chloride Substances 0.000 claims abstract description 14
- 229920000915 polyvinyl chloride Polymers 0.000 claims abstract description 14
- 229920005989 resin Polymers 0.000 claims abstract description 14
- 239000011347 resin Substances 0.000 claims abstract description 14
- 229920002725 thermoplastic elastomer Polymers 0.000 claims abstract description 14
- 239000002134 carbon nanofiber Substances 0.000 claims abstract description 13
- 150000001875 compounds Chemical class 0.000 claims abstract description 13
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 13
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- 125000000118 dimethyl group Chemical group [H]C([H])([H])* 0.000 claims abstract description 12
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 11
- 229910052802 copper Inorganic materials 0.000 claims abstract description 11
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- 239000000203 mixture Substances 0.000 claims description 35
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- 238000000137 annealing Methods 0.000 claims description 20
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- 229910052500 inorganic mineral Inorganic materials 0.000 description 5
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- IRIAEXORFWYRCZ-UHFFFAOYSA-N Butylbenzyl phthalate Chemical compound CCCCOC(=O)C1=CC=CC=C1C(=O)OCC1=CC=CC=C1 IRIAEXORFWYRCZ-UHFFFAOYSA-N 0.000 description 4
- NIQCNGHVCWTJSM-UHFFFAOYSA-N Dimethyl phthalate Chemical compound COC(=O)C1=CC=CC=C1C(=O)OC NIQCNGHVCWTJSM-UHFFFAOYSA-N 0.000 description 4
- 239000005995 Aluminium silicate Substances 0.000 description 2
- MQIUGAXCHLFZKX-UHFFFAOYSA-N Di-n-octyl phthalate Natural products CCCCCCCCOC(=O)C1=CC=CC=C1C(=O)OCCCCCCCC MQIUGAXCHLFZKX-UHFFFAOYSA-N 0.000 description 2
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- LFVGISIMTYGQHF-UHFFFAOYSA-N ammonium dihydrogen phosphate Chemical compound [NH4+].OP(O)([O-])=O LFVGISIMTYGQHF-UHFFFAOYSA-N 0.000 description 2
- 229910000387 ammonium dihydrogen phosphate Inorganic materials 0.000 description 2
- BJQHLKABXJIVAM-UHFFFAOYSA-N bis(2-ethylhexyl) phthalate Chemical compound CCCCC(CC)COC(=O)C1=CC=CC=C1C(=O)OCC(CC)CCCC BJQHLKABXJIVAM-UHFFFAOYSA-N 0.000 description 2
- FBSAITBEAPNWJG-UHFFFAOYSA-N dimethyl phthalate Natural products CC(=O)OC1=CC=CC=C1OC(C)=O FBSAITBEAPNWJG-UHFFFAOYSA-N 0.000 description 2
- 229960001826 dimethylphthalate Drugs 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 description 2
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 description 2
- 239000000347 magnesium hydroxide Substances 0.000 description 2
- 229910001862 magnesium hydroxide Inorganic materials 0.000 description 2
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 description 2
- 235000019837 monoammonium phosphate Nutrition 0.000 description 2
- 239000006012 monoammonium phosphate Substances 0.000 description 2
- 239000012188 paraffin wax Substances 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 2
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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
- C08L79/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen with or without oxygen or carbon only, not provided for in groups C08L61/00 - C08L77/00
- C08L79/04—Polycondensates having nitrogen-containing heterocyclic rings in the main chain; Polyhydrazides; Polyamide acids or similar polyimide precursors
- C08L79/08—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
-
- 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
- H01B3/18—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
- H01B3/30—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes
- H01B3/303—Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups H01B3/38 or H01B3/302
- H01B3/306—Polyimides or polyesterimides
-
- 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
- H01B7/02—Disposition of insulation
-
- 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
-
- 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
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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
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
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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
- 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
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a radiation-resistant environment-friendly special electromagnetic wire, which comprises a conductor and an insulating layer, wherein the insulating layer is arranged outside the conductor, the conductor is prepared from a copper rod serving as a raw material, and the insulating layer is prepared from 40-50 parts of polyesterimide, 38-42 parts of polyvinyl chloride resin, 10-15 parts of polyurethane thermoplastic elastomer, 5-8 parts of organic silicon rubber compound, 5-10 parts of wear-resisting agent, 8-15 parts of magnetic carbon nanofiber, 5-10 parts of dimethyl silicone oil, 1-3 parts of flame retardant, 1-3 parts of plasticizer, 1-3 parts of polyurethane thermoplastic elastomer, 40-50 parts of polyesterimide, 38-42 parts of polyvinyl chloride resin, 10-15 parts of silicone rubber compound, 5-8 parts of anti-friction agent and toner according to the mass fraction ratio, 2-5 parts of compatilizer, 2-5 parts of antioxidant and 1-3 parts of toner.
Description
Technical Field
The invention relates to the technical field of electromagnetic wires, in particular to an environment-friendly special electromagnetic wire resistant to corrosion and radiation.
Background
The existing electromagnetic wire material cannot have the functions of wear resistance, corrosion resistance, insulation and the like, and due to the rapid development of electronic information technology, the surrounding electromagnetic radiation phenomenon is more and more serious, and great influence is generated on the service life, the functions and the like of some equipment and the like, so that the electromagnetic wire material has the function of resisting electromagnetic interference and is also very important in order to ensure the stability of the internal performance of the electromagnetic wire material and the normal operation of an electromagnetic wire.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides the environment-friendly special electromagnetic wire with the corrosion and radiation resistance, which has excellent wear resistance, corrosion resistance, flame retardance and aging resistance.
In order to solve the technical problems, the invention provides the following technical scheme: the corrosion-radiation-resistant environment-friendly special electromagnetic wire comprises a conductor and an insulating layer, wherein the insulating layer is arranged outside the conductor, the conductor is prepared from a copper rod serving as a raw material, and the insulating layer is prepared from polyester imide, polyvinyl chloride resin, a polyurethane thermoplastic elastomer, an organic silicon rubber compound, a wear-resisting agent, magnetic carbon nanofiber, dimethyl silicone oil, a flame retardant, a plasticizer, a compatilizer, an antioxidant and toner.
As a preferred technical scheme of the invention, the insulation layer is prepared from the following materials, by mass, 40-50 parts of polyesterimide, 38-42 parts of polyvinyl chloride resin, 10-15 parts of polyurethane thermoplastic elastomer, 5-8 parts of organic silicon rubber compound, 5-10 parts of wear-resisting agent, 8-15 parts of magnetic carbon nanofiber, 5-10 parts of dimethyl silicone oil, 1-3 parts of flame retardant, 1-3 parts of plasticizer, 2-5 parts of compatilizer, 2-5 parts of antioxidant and 1-3 parts of toner.
The preparation method of the corrosion-radiation resistant environment-friendly special electromagnetic wire specifically comprises the following steps
(1) Preparing an electric conductor: taking a raw material copper rod, carrying out flat rolling processing by a finishing mill to prepare a blank, softening the blank in a current annealing mode, carrying out flat rolling and vertical rolling processing on the softened blank by the finishing mill in sequence to obtain an electromagnetic wire, and carrying out universal rolling shaping processing on the electromagnetic wire by a universal mill to obtain an electric conductor material;
(2) and (3) checking and correcting the quality of the electric conductor: the method comprises the following steps of (1) paying off after a wire is molded to meet paying off requirements, placing the paid-off wire in an oil immersion device for immersion oil preheating, and carrying out high-frequency induction heating on the oil immersed wire in an inert atmosphere;
(3) according to the formula proportion, adding the polyesterimide and the polyvinyl chloride resin into a material telling mixer for mixing, stirring for 15-20 min at the speed of 200-230 r/min to obtain a mixture A,
(4) adding the polyurethane thermoplastic elastomer, the organic silicon rubber compound, the dimethyl silicone oil, the flame retardant, the plasticizer, the compatilizer, the antioxidant and the toner into the mixture A obtained in the step (3) according to the formula proportion, continuously stirring until the mixture is uniform, increasing the rotating speed of the mixer to 300-350 r/min, then adding the wear-resisting agent and the magnetic carbon nanofiber, and stirring for 20-30 min to obtain a mixture B;
(5) placing the mixture B in a double-screw extruder for plasticizing and granulating, adding the mixture B into the extruder after melting, and coating the mixture B on a guide wire discharged by a pay-off mechanism by high-temperature extrusion to obtain a semi-finished electromagnetic wire;
(6) and cooling, namely placing the semi-finished electromagnetic wire in air for cooling, and then placing in water for cooling to obtain the special electromagnetic wire.
As a preferred technical scheme of the invention, the raw material copper rod is subjected to one-to-two flat rolling processing by the finishing mill to form the blank.
As a preferred technical scheme of the invention, the specific process of the current annealing is that the blank is sequentially heated by an annealing furnace and an oven at a constant speed and then cooled to room temperature by water.
As a preferable technical scheme of the invention, the annealing furnace adopts a three-section continuous heating mode, the heating temperature T1 of the first section is higher than the heating temperature T2 of the second section and higher than the heating temperature T3 of the third section, the heating temperature T1 of the first section is controlled to be 500-600 ℃, the heating temperature T2 of the second section is controlled to be 480-500 ℃, and the heating temperature T3 of the third section is controlled to be 460-480 ℃.
As a preferable technical scheme of the invention, the flame retardant is one or a combination of more of chlorinated paraffin, phosphate, melamine, monoammonium phosphate and magnesium hydroxide.
As a preferable technical scheme of the invention, the plasticizer is one or more of dioctyl phthalate, butyl benzyl phthalate, epoxidized soybean oil and dimethyl phthalate.
As a preferred technical scheme of the invention, the wear-resisting agent is ceramic powder, and the ceramic powder is prepared by taking kaolin as a raw material.
As a preferable technical scheme, the oil used for oil immersion is mineral synthetic oil with the temperature resistance of 200-300 ℃, the viscosity of the mineral synthetic oil is 80-250 mPa.s, the oil immersion temperature is 25-50 ℃, and the time is 5-15 s.
Compared with the prior art, the invention can achieve the following beneficial effects:
1. the environment-friendly special electromagnetic wire has excellent performances of wear resistance, corrosion resistance, flame retardance, aging resistance and the like, and the electromagnetic wire has good stability in the preparation process, and the proportion of the components is optimized by the wiring harness material formula, so that the optimal synergistic effect is achieved; the ceramic powder is used as the wear-resisting agent, so that the wear resistance of the electromagnetic wire is more excellent; by compounding materials such as polyester imide, polyvinyl chloride resin and polyurethane thermoplastic elastomer, the electromagnetic wire is more corrosion-resistant;
2. the environment-friendly special electromagnetic wire adopts an oil immersion process in the preparation process, and after the surface of the electric conductor is immersed in oil, the high-frequency induction heating is carried out, so that a thin oil film layer is generated on the surface of the wire, the surface of the wire can be effectively prevented from being oxidized and blackened, the corrosion resistance of the electromagnetic wire is further improved, the adhesive force between the insulating layer and the wire is improved, and the product performance is stable;
3. the environment-friendly special electromagnetic wire can effectively resist electromagnetic interference by matching the magnetic carbon nanofibers and the polyester imide material, isolates radiation generated during electromagnetic work, and reduces the damage of the radiation to the outside and human bodies, thereby effectively improving the environmental protection property of the electromagnetic wire.
Detailed Description
The present invention will be further described with reference to specific embodiments for the purpose of facilitating an understanding of technical means, characteristics of creation, objectives and functions realized by the present invention, but the following embodiments are only preferred embodiments of the present invention, and are not intended to be exhaustive. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative efforts belong to the protection scope of the present invention. The experimental methods in the following examples are conventional methods unless otherwise specified, and materials, reagents and the like used in the following examples are commercially available unless otherwise specified.
The invention provides a corrosion-radiation-resistant environment-friendly special electromagnetic wire which comprises a conductor and an insulating layer, wherein the insulating layer is arranged outside the conductor, the conductor is prepared from a copper rod serving as a raw material, and the insulating layer is prepared from polyesterimide, polyvinyl chloride resin, polyurethane thermoplastic elastomer, organic silicon rubber compound, a wear-resisting agent, magnetic carbon nanofiber, dimethyl silicone oil, a flame retardant, a plasticizer, a compatilizer, an antioxidant and toner;
the insulating layer is prepared from 40-50 parts of polyesterimide, 38-42 parts of polyvinyl chloride resin, 10-15 parts of polyurethane thermoplastic elastomer, 5-8 parts of organic silicon rubber compound, 5-10 parts of wear-resisting agent, 8-15 parts of magnetic carbon nanofiber, 5-10 parts of dimethyl silicone oil, 1-3 parts of flame retardant, 1-3 parts of plasticizer, 2-5 parts of compatilizer, 2-5 parts of antioxidant and 1-3 parts of toner
The flame retardant is one or a combination of more of chlorinated paraffin, phosphate, melamine, monoammonium phosphate and magnesium hydroxide; the plasticizer is one or more of dioctyl phthalate, butyl benzyl phthalate, epoxidized soybean oil and dimethyl phthalate; the wear-resisting agent is ceramic powder, and the ceramic powder is prepared by taking kaolin as a raw material.
Example 1:
the preparation method of the corrosion-radiation-resistant environment-friendly special electromagnetic wire specifically comprises the following steps:
(1) preparing an electric conductor: taking a raw material copper rod, carrying out flat rolling processing by a finishing mill to prepare a blank, softening the blank in a current annealing mode, sequentially carrying out a flat rolling process and vertical rolling processing on the softened blank by the finishing mill to obtain an electromagnetic wire, and carrying out universal rolling shaping processing on the electromagnetic wire by a universal rolling mill to obtain an electric conductor material;
(2) and (3) checking and correcting the quality of the electric conductor: the method comprises the steps of forming a lead, paying off after the lead meets paying off requirements, placing the paid-off lead in an oil immersion device, using mineral synthetic oil with the temperature resistance level of 200 ℃ and the viscosity of 80mPa.s to immerse the lead in oil for preheating, wherein the oil immersion temperature is 25 ℃ and the time is 5s, and carrying out high-frequency induction heating on the oiled lead in an inert atmosphere;
(3) according to the proportion of the formula, 40 parts of polyesterimide and 38 parts of polyvinyl chloride resin are added into a material telling mixer to be mixed, stirred for 15min at the speed of 200r/min to obtain a mixture A,
(4) adding 10 parts of polyurethane thermoplastic elastomer, 5 parts of organic silicon rubber compound, 5 parts of dimethyl silicone oil, 1 part of flame retardant, 1 part of plasticizer, 2 parts of compatilizer, 2 parts of antioxidant and 1 part of toner into the mixture A obtained in the step (3) according to the formula proportion, continuously stirring until the mixture is uniform, increasing the rotating speed of a mixer to 300r/min, then adding the wear-resistant agent and the magnetic carbon nanofiber, and stirring for 20min to obtain a mixture B;
(5) placing the mixture B in a double-screw extruder for plasticizing and granulating, adding the mixture B into the extruder after melting, and coating the mixture B on a guide wire discharged by a pay-off mechanism by high-temperature extrusion to obtain a semi-finished electromagnetic wire;
(6) and cooling, namely placing the semi-finished electromagnetic wire in air for cooling, and then placing in water for cooling to obtain the special electromagnetic wire.
In the embodiment, the specific process of the current annealing is that the blank is sequentially heated by an annealing furnace and an oven at a constant speed and then cooled to room temperature by water, the annealing furnace is heated by a three-section continuous heating mode, the heating temperature T1 of the first section is higher than the heating temperature T2 of the second section and higher than the heating temperature T3 of the third section, the heating temperature T1 of the first section is controlled to be 500-600 ℃, the heating temperature T2 of the second section is controlled to be 480-500 ℃, and the heating temperature T3 of the third section is controlled to be 460-480 ℃.
Example 2:
the preparation method of the corrosion-radiation-resistant environment-friendly special electromagnetic wire specifically comprises the following steps:
(1) preparing an electric conductor: taking a raw material copper rod, carrying out flat rolling processing by a finishing mill to prepare a blank, softening the blank in a current annealing mode, sequentially carrying out a flat rolling process and vertical rolling processing on the softened blank by the finishing mill to obtain an electromagnetic wire, and carrying out universal rolling shaping processing on the electromagnetic wire by a universal rolling mill to obtain an electric conductor material;
(2) and (3) checking and correcting the quality of the electric conductor: the method comprises the steps of forming a lead, paying off after the lead meets paying off requirements, placing the paid-off lead in an oil immersion device, preheating the lead by using mineral synthetic oil with the temperature resistance level of 250 ℃ and the viscosity of 150mPa.s, wherein the oil immersion temperature is 35 ℃ and the time is 10s, and carrying out high-frequency induction heating on the oil-immersed lead in an inert atmosphere;
(3) according to the proportion of the formula, 45 parts of polyesterimide and 40 parts of polyvinyl chloride resin are added into a material telling mixer to be mixed, stirred for 17min at the speed of 215r/min to obtain a mixture A,
(4) adding 12 parts of polyurethane thermoplastic elastomer, 6 parts of organic silicon rubber compound, 7 parts of dimethyl silicone oil, 2 parts of flame retardant, 2 parts of plasticizer, 3 parts of compatilizer, 4 parts of antioxidant and 2 parts of toner into the mixture A obtained in the step (3) according to the formula proportion, continuously stirring until the mixture is uniform, increasing the rotating speed of a mixer to 320r/min, then adding the wear-resistant agent and the magnetic carbon nanofiber, and stirring for 25min to obtain a mixture B;
(5) placing the mixture B in a double-screw extruder for plasticizing and granulating, adding the mixture B into the extruder after melting, and coating the mixture B on a guide wire discharged by a pay-off mechanism by high-temperature extrusion to obtain a semi-finished electromagnetic wire;
(6) and cooling, namely placing the semi-finished electromagnetic wire in air for cooling, and then placing in water for cooling to obtain the special electromagnetic wire.
In this embodiment, the specific process of the current annealing includes that the blank is sequentially heated by an annealing furnace and an oven at a constant speed and then water-cooled to room temperature, the annealing furnace is heated in a three-stage continuous heating manner, the heating temperature T1 of the first stage is higher than the heating temperature T2 of the second stage and higher than the heating temperature T3 of the third stage, the heating temperature T1 of the first stage is controlled to be 500-600 ℃, the heating temperature T2 of the second stage is controlled to be 480-500 ℃, and the heating temperature T3 of the third stage is controlled to be 460-480 ℃
Example 3:
the preparation method of the corrosion-radiation-resistant environment-friendly special electromagnetic wire specifically comprises the following steps:
(1) preparing an electric conductor: taking a raw material copper rod, carrying out flat rolling processing by a finishing mill to prepare a blank, softening the blank in a current annealing mode, sequentially carrying out a flat rolling process and vertical rolling processing on the softened blank by the finishing mill to obtain an electromagnetic wire, and carrying out universal rolling shaping processing on the electromagnetic wire by a universal rolling mill to obtain an electric conductor material;
(2) and (3) checking and correcting the quality of the electric conductor: the method comprises the steps of forming a lead, paying off after the lead meets paying off requirements, placing the paid-off lead in an oil immersion device, preheating the lead by using mineral synthetic oil with the temperature resistance level of 300 ℃ and the viscosity of 250mPa.s, wherein the oil immersion temperature is 50 ℃ and the time is 15s, and carrying out high-frequency induction heating on the oil immersed lead in an inert atmosphere;
(3) adding 50 parts of polyesterimide and 42 parts of polyvinyl chloride resin into a material telling mixer according to the proportion of the formula, mixing, stirring at the speed of 230r/min for 20min to obtain a mixture A,
(4) adding 10-15 parts of polyurethane thermoplastic elastomer, 8 parts of organic silicon rubber compound, 10 parts of dimethyl silicone oil, 3 parts of flame retardant, 3 parts of plasticizer, 5 parts of compatilizer, 5 parts of antioxidant and 3 parts of toner into the mixture A obtained in the step (3) according to the formula proportion, continuously stirring until the mixture is uniform, increasing the rotating speed of a mixer to 350r/min, then adding the wear-resistant agent and the magnetic carbon nanofiber, and stirring for 30min to obtain a mixture B;
(5) placing the mixture B in a double-screw extruder for plasticizing and granulating, adding the mixture B into the extruder after melting, and coating the mixture B on a guide wire discharged by a pay-off mechanism by high-temperature extrusion to obtain a semi-finished electromagnetic wire;
(6) and cooling, namely placing the semi-finished electromagnetic wire in air for cooling, and then placing in water for cooling to obtain the special electromagnetic wire.
In the embodiment, the specific process of the current annealing is that the blank is sequentially heated by an annealing furnace and an oven at a constant speed and then cooled to room temperature by water, the annealing furnace is heated by a three-section continuous heating mode, the heating temperature T1 of the first section is higher than the heating temperature T2 of the second section and higher than the heating temperature T3 of the third section, the heating temperature T1 of the first section is controlled to be 500-600 ℃, the heating temperature T2 of the second section is controlled to be 480-500 ℃, and the heating temperature T3 of the third section is controlled to be 460-480 ℃.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides a corrosion radiation resistant environment-friendly special electromagnetic wire which characterized in that: the conductive cable comprises a conductor and an insulating layer, wherein the insulating layer is arranged outside the conductor, the conductor is prepared from a copper rod serving as a raw material, and the insulating layer is prepared from polyesterimide, polyvinyl chloride resin, a polyurethane thermoplastic elastomer, an organic silicon rubber compound, a wear-resisting agent, magnetic carbon nanofiber, dimethyl silicone oil, a flame retardant, a plasticizer, a compatilizer, an antioxidant and toner.
2. The special electromagnetic wire resisting corrosion and radiation and being environment-friendly as claimed in claim 1, wherein: the insulating layer is prepared from the following materials, by mass, 40-50 parts of polyesterimide, 38-42 parts of polyvinyl chloride resin, 10-15 parts of polyurethane thermoplastic elastomer, 5-8 parts of organic silicon rubber compound, 5-10 parts of wear-resisting agent, 8-15 parts of magnetic carbon nanofiber, 5-10 parts of dimethyl silicone oil, 1-3 parts of flame retardant, 1-3 parts of plasticizer, 2-5 parts of compatilizer, 2-5 parts of antioxidant and 1-3 parts of toner.
3. The method for preparing the environment-friendly special electromagnetic wire resistant to the corrosion and the radiation as claimed in claim 2, is characterized by comprising the following steps:
(1) preparing an electric conductor: taking a raw material copper rod, carrying out flat rolling processing by a finishing mill to prepare a blank, softening the blank in a current annealing mode, carrying out flat rolling and vertical rolling processing on the softened blank by the finishing mill in sequence to obtain an electromagnetic wire, and carrying out universal rolling shaping processing on the electromagnetic wire by a universal mill to obtain an electric conductor material;
(2) and (3) checking and correcting the quality of the electric conductor: the method comprises the following steps of (1) paying off after a wire is molded to meet paying off requirements, placing the paid-off wire in an oil immersion device for immersion oil preheating, and carrying out high-frequency induction heating on the oil immersed wire in an inert atmosphere;
(3) according to the formula proportion, adding the polyesterimide and the polyvinyl chloride resin into a material telling mixer for mixing, stirring for 15-20 min at the speed of 200-230 r/min to obtain a mixture A,
(4) adding the polyurethane thermoplastic elastomer, the organic silicon rubber compound, the dimethyl silicone oil, the flame retardant, the plasticizer, the compatilizer, the antioxidant and the toner into the mixture A obtained in the step (3) according to the formula proportion, continuously stirring until the mixture is uniform, increasing the rotating speed of the mixer to 300-350 r/min, then adding the wear-resisting agent and the magnetic carbon nanofiber, and stirring for 20-30 min to obtain a mixture B;
(5) placing the mixture B in a double-screw extruder for plasticizing and granulating, adding the mixture B into the extruder after melting, and coating the mixture B on a guide wire discharged by a pay-off mechanism by high-temperature extrusion to obtain a semi-finished electromagnetic wire;
(6) and cooling, namely placing the semi-finished electromagnetic wire in air for cooling, and then placing in water for cooling to obtain the special electromagnetic wire.
4. The method for preparing the radiation-resistant environment-friendly special electromagnetic wire according to claim 3, characterized in that: and the raw material copper rod is subjected to one-to-two flat rolling processing by the finishing mill to prepare the blank.
5. The method for preparing the radiation-resistant environment-friendly special electromagnetic wire according to claim 3, characterized in that: the specific process of the current annealing is that the blank is sequentially heated by an annealing furnace and an oven at a constant speed and then cooled to room temperature by water.
6. The method for preparing the radiation-resistant environment-friendly special electromagnetic wire according to claim 5, characterized in that: the annealing furnace is heated in a three-section continuous heating mode, the heating temperature T1 of a first section is higher than the heating temperature T2 of a second section and higher than the heating temperature T3 of a third section, the heating temperature T1 of the first section is controlled to be 500-600 ℃, the heating temperature T2 of the second section is controlled to be 480-500 ℃, and the heating temperature T3 of the third section is controlled to be 460-480 ℃.
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| CN108198668A (en) * | 2018-01-08 | 2018-06-22 | 上海裕生特种线材有限公司 | A kind of preparation method of electromagnetic wire |
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| CN111584157A (en) * | 2020-06-09 | 2020-08-25 | 湖南科技大学 | Special electromagnetic wire and preparation method thereof |
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| CN112466563A (en) * | 2020-11-18 | 2021-03-09 | 安徽聚虹电子有限公司 | Device and method for manufacturing high-capacity high-frequency-resistant low-loss electromagnetic wire |
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| CN104319016A (en) * | 2014-11-06 | 2015-01-28 | 无锡锡洲电磁线有限公司 | Electromagnetic wire semi-hard processing technology |
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