CN112802624A - Bulletproof wire super-wear-resistant cable and preparation method thereof - Google Patents
Bulletproof wire super-wear-resistant cable and preparation method thereof Download PDFInfo
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- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L27/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
- C08L27/02—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L27/04—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
- C08L27/06—Homopolymers or copolymers of vinyl chloride
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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
-
- 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
- H01B13/06—Insulating conductors or cables
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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
- H01B13/06—Insulating conductors or cables
- H01B13/14—Insulating conductors or cables by extrusion
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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
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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
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- 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
- H01B3/44—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 vinyl resins; acrylic resins
- H01B3/443—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 vinyl resins; acrylic resins from vinylhalogenides or other halogenoethylenic compounds
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- 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
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- 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
- H01B7/2806—Protection against damage caused by corrosion
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B9/00—Power cables
- H01B9/02—Power cables with screens or conductive layers, e.g. for avoiding large potential gradients
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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
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
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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
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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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
- C08K2201/00—Specific properties of additives
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
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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
- 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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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
Abstract
The invention relates to the technical field of power cables, in particular to a bulletproof wire super-wear-resistant cable and a preparation method thereof, which can improve the toughness and the wear-resistant effect of the cable and reduce the phenomenon of wire springing caused by cable fracture, thereby reducing potential safety hazards; including wire sinle silk and the protective layer that multiunit wire winding formed, the protective layer includes insulating layer, shielding layer and wear-resisting inoxidizing coating, the insulating layer includes the raw materials of following parts by weight: polyvinyl chloride resin, ethylene propylene diene monomer, modified carbon fiber, crude paraffin, nitrile rubber and plasticizer; the wear-resistant anticorrosive layer comprises the following raw materials in parts by weight: polyvinyl chloride resin, ethylene propylene diene monomer, modified carbon fiber, anti-wear powder, nano active light calcium carbonate, nano diamond sand, antioxidant and anti-aging agent; the preparation method comprises the following steps: (1) the wire core of the conducting wire is stranded; (2) preparing an insulating layer (3) and coating a shielding layer; (4) preparing a wear-resistant protective layer; (5) and (6) rolling.
Description
Technical Field
The invention relates to the technical field of power cables, in particular to a bulletproof wire super-wear-resistant cable and a preparation method thereof.
Background
Power cables are generally rope-like cables made up of several or groups of conductors (at least two in each group) twisted together, with the conductors of each group being insulated from one another and often twisted around a center, with a highly insulating coating covering the entire outside, and with internal current-carrying, external insulation characteristics. The cable mainly comprises conductive wire cores and a protective layer, wherein the conductive wire cores are made of high-conductivity materials (copper or aluminum), and each wire core can be formed by twisting a single wire or a plurality of wires according to the requirements of laying and using conditions on the flexibility degree of the cable; the protective layer has high insulation resistance, high breakdown electric field strength, low dielectric loss and low dielectric constant, and can protect the wire core from mechanical damage and damage caused by mechanical, moisture, chemicals, light and the like.
Although the protective layer of the outside parcel of current conductive core can satisfy current demand, but some cables need carry out work in relatively poor environment, if produce the influence that suffers and drag etc. of time, because toughness and the wear-resisting effect of cable are relatively poor, then appear the phenomenon that the cable fracture flicked easily to make the cable appear damaging, cause the phenomenon of electric leakage, and then cause great potential safety hazard to staff and operational environment on every side easily.
Disclosure of Invention
In order to solve the technical problems, an object of the present invention is to provide a bulletproof super wear-resistant cable, which can improve the toughness and wear-resistant effect of the cable, and reduce the phenomenon of wire bouncing due to cable fracture, thereby reducing the potential safety hazard to surrounding workers and working environment;
the invention also aims to provide a preparation method of the bulletproof wire super-wear-resistant cable.
The invention relates to a bulletproof silk super-wear-resistant cable which comprises a lead wire core formed by winding a plurality of groups of leads and a protective layer, wherein the protective layer wraps the outside of the lead wire core and comprises an insulating layer, a shielding layer and a wear-resistant protective layer,
the insulating layer comprises the following raw materials in parts by weight:
50-60 parts of polyvinyl chloride resin;
20-30 parts of ethylene propylene diene monomer;
15-20 parts of modified carbon fiber;
5-7 parts of crude paraffin;
10-13 parts of nitrile rubber;
3-7 parts of a plasticizer;
the shielding layer is formed by weaving a copper net;
the wear-resistant anticorrosive layer comprises the following raw materials in parts by weight:
50-60 parts of polyvinyl chloride resin;
20-30 parts of ethylene propylene diene monomer;
15-20 parts of modified carbon fiber;
5-8 parts of anti-wear powder;
15-20 parts of nano-grade active light calcium carbonate;
5-10 parts of nano diamond sand grains;
3-7 parts of an antioxidant;
2-5 parts of an anti-aging agent.
According to the bulletproof silk super-wear-resistant cable, the plasticizer is dioctyl phthalate and dibutyl phthalate, and the adding ratio of the dioctyl phthalate to the dibutyl phthalate is 4-5: 1.
Preferably, the insulating layer comprises the following raw materials in parts by weight:
55-56 parts of polyvinyl chloride resin;
24-26 parts of ethylene propylene diene monomer;
17-18 parts of modified carbon fiber;
5.8-6.3 parts of crude paraffin;
11-12 parts of nitrile rubber;
4-6 parts of a plasticizer.
According to the bulletproof wire super-wear-resistant cable, the weaving density of the copper mesh of the shielding layer is 65-79%.
According to the bulletproof wire super-wear-resistant cable, the number of woven copper meshes of the shielding layer is 1-3.
Preferably, the wear-resistant protective layer comprises the following raw materials in parts by weight:
54-56 parts of polyvinyl chloride resin;
24-27 parts of ethylene propylene diene monomer;
16-18 parts of modified carbon fiber;
6-7 parts of anti-wear powder;
17-18 parts of nano-grade active light calcium carbonate;
6-8 parts of nano diamond sand grains;
4-6 parts of an antioxidant;
3-4 parts of an anti-aging agent.
The invention discloses a preparation method of a bulletproof silk super-wear-resistant cable, which comprises the following steps:
(1) forming strands of wire cores: twisting the multi-strand wire core into one strand by using a strand forming machine;
(2) the preparation of the insulating layer comprises the following steps:
s1, preliminary mixing of materials: adding polyvinyl chloride resin, ethylene propylene diene monomer rubber and modified carbon fiber into a mixer for preliminary mixing, and adjusting the mixing temperature to 90-95 ℃ to uniformly mix the polyvinyl chloride resin, the ethylene propylene diene monomer rubber and the modified carbon fiber;
s2, integrally mixing materials: adding the rest of the crude paraffin, the nitrile rubber and the plasticizer into the preliminarily mixed materials, uniformly mixing the materials, and adding the uniformly mixed materials into a mixing roll to mix for 30-50 min;
s3, open mixing treatment: adding the internally mixed materials into an open mill for open milling for 10-20 min;
s4, dry chemical crosslinking treatment: carrying out dry chemical crosslinking treatment on the milled material;
s5, overmolding: coating the processed material on the surface of the stranded wire core after the processed material is manufactured and molded to form a high-temperature-resistant insulating layer;
(3) and (3) coating of a shielding layer: weaving a plurality of layers of copper nets on the surface of the insulating layer, and forming a shielding layer on the surface of the insulating layer;
(4) the preparation of the wear-resistant protective layer comprises the following steps:
s1, preliminary mixing of materials: adding polyvinyl chloride resin, ethylene propylene diene monomer rubber and modified carbon fiber into a mixer for preliminary mixing, and adjusting the mixing temperature to 90-95 ℃ to uniformly mix the polyvinyl chloride resin, the ethylene propylene diene monomer rubber and the modified carbon fiber;
s2, integrally mixing materials: adding the rest of the wear-resistant powder, the nano-grade active light calcium carbonate, the nano-grade diamond grains, the antioxidant and the anti-aging agent into the primarily mixed material, uniformly mixing, and adding into a mixing roll for mixing for 30-50 min;
s3, open mixing treatment: adding the internally mixed materials into an open mill for open milling for 10-20 min;
s4, overmolding: coating the processed material on the surface of the stranded wire core after the processed material is manufactured and molded to form a wear-resistant protective layer;
(5) winding: and cleaning the surface of the prepared cable, and rolling.
According to the preparation method of the bulletproof wire super-wear-resistant cable, the mixing temperature of the materials in the step (2) and the step (4) is 102-106 ℃.
Compared with the prior art, the invention has the beneficial effects that: the bulletproof silk super-wear-resistant cable is an insulating layer prepared from polyvinyl chloride resin, ethylene propylene diene monomer, modified carbon fiber, crude paraffin, nitrile rubber and a plasticizer, the surface of the insulating layer is coated with a copper mesh shielding layer to achieve a certain shielding effect, and the wear-resistant protective layer is prepared by adopting polyvinyl chloride resin, ethylene propylene diene monomer, modified carbon fiber, wear-resistant powder, nano-grade active light calcium carbonate, nano-grade diamond grains, antioxidant and anti-aging agent, the materials are treated by dry chemical crosslinking treatment in the preparation process, so that the properties of the protective layer and the insulating layer are effectively improved, the tensile resistance and the wear resistance of the materials are improved, the toughness of the materials is improved, thereby can improve the toughness and the wear-resisting effect of cable, reduce the phenomenon of cable fracture bullet silk to reduce the potential safety hazard to staff and operational environment on every side.
Detailed Description
The following examples are given to further illustrate the embodiments of the present invention. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
Example 1
A bulletproof silk super-wear-resistant cable comprises a wire core formed by winding a plurality of groups of wires and a protective layer, wherein the protective layer wraps the outside of the wire core and comprises an insulating layer, a shielding layer and a wear-resistant protective layer,
the insulating layer comprises the following raw materials in parts by weight:
50 parts of polyvinyl chloride resin;
20 parts of ethylene propylene diene monomer;
15 parts of modified carbon fiber;
5 parts of crude paraffin;
10 parts of nitrile rubber;
3 parts of a plasticizer;
wherein, the plasticizer is dioctyl phthalate and dibutyl phthalate, and the adding ratio of the dioctyl phthalate to the dibutyl phthalate is 4.5: 1.
The shielding layer is formed by weaving a copper mesh, the weaving density of the copper mesh is 69%, and the number of weaving layers is 2;
the wear-resistant anticorrosive layer comprises the following raw materials in parts by weight:
50 parts of polyvinyl chloride resin;
20 parts of ethylene propylene diene monomer;
15 parts of modified carbon fiber;
5 parts of anti-abrasion powder;
15 parts of nano-grade active light calcium carbonate;
5 parts of nano diamond sand grains;
3 parts of an antioxidant;
and 2 parts of an anti-aging agent.
A preparation method of a bulletproof wire super-wear-resistant cable comprises the following steps:
(1) forming strands of wire cores: twisting the multi-strand wire core into one strand by using a strand forming machine;
(2) the preparation of the insulating layer comprises the following steps:
s1, preliminary mixing of materials: adding polyvinyl chloride resin, ethylene propylene diene monomer rubber and modified carbon fiber into a mixer for preliminary mixing, and adjusting the mixing temperature to 95 ℃ to uniformly mix the polyvinyl chloride resin, the ethylene propylene diene monomer rubber and the modified carbon fiber;
s2, integrally mixing materials: adding the rest of the crude paraffin, the nitrile rubber and the plasticizer into the preliminarily mixed materials, uniformly mixing the materials, and adding the uniformly mixed materials into a mixing roll to mix for 35min, wherein the mixing temperature is 13 ℃;
s3, open mixing treatment: adding the internally mixed materials into an open mill for open milling for 15 min;
s4, dry chemical crosslinking treatment: carrying out dry chemical crosslinking treatment on the milled material;
s5, overmolding: coating the processed material on the surface of the stranded wire core after the processed material is manufactured and molded to form a high-temperature-resistant insulating layer;
(3) and (3) coating of a shielding layer: weaving a plurality of layers of copper nets on the surface of the insulating layer, and forming a shielding layer on the surface of the insulating layer;
(4) the preparation of the wear-resistant protective layer comprises the following steps:
s1, preliminary mixing of materials: adding polyvinyl chloride resin, ethylene propylene diene monomer rubber and modified carbon fiber into a mixer for preliminary mixing, and adjusting the mixing temperature to 92 ℃ to uniformly mix the polyvinyl chloride resin, the ethylene propylene diene monomer rubber and the modified carbon fiber;
s2, integrally mixing materials: adding the rest anti-wear powder, nano-grade active light calcium carbonate, nano-grade diamond sand grains, an antioxidant and an anti-aging agent into the primarily mixed material, uniformly mixing, and adding into a mixing roll to mix for 42min, wherein the mixing temperature is 104 ℃;
s3, open mixing treatment: adding the internally mixed materials into an open mill for open milling for 20 min;
s4, overmolding: coating the processed material on the surface of the stranded wire core after the processed material is manufactured and molded to form a wear-resistant protective layer;
(5) winding: and cleaning the surface of the prepared cable, and rolling.
When the bulletproof wire super-wear-resistant cable obtained by the embodiment is used, if the bulletproof wire super-wear-resistant cable is rubbed on the ground for a long time or bears a large tensile force for a long time, the original state can be kept unchanged, and the phenomena of wire springing and abrasion are avoided.
Example 2
A bulletproof silk super-wear-resistant cable comprises a wire core formed by winding a plurality of groups of wires and a protective layer, wherein the protective layer wraps the outside of the wire core and comprises an insulating layer, a shielding layer and a wear-resistant protective layer,
the insulating layer comprises the following raw materials in parts by weight:
55 parts of polyvinyl chloride resin;
24 parts of ethylene propylene diene monomer;
17 parts of modified carbon fiber;
5.8 parts of crude paraffin;
11 parts of nitrile rubber;
4 parts of a plasticizer.
Wherein the plasticizer is dioctyl phthalate and dibutyl phthalate, and the addition ratio of the dioctyl phthalate to the dibutyl phthalate is 5: 1.
The shielding layer is formed by weaving a copper net, the weaving density of the copper net is 79%, and the number of weaving layers is 1;
the wear-resistant anticorrosive layer comprises the following raw materials in parts by weight:
54 parts of polyvinyl chloride resin;
24 parts of ethylene propylene diene monomer;
16 parts of modified carbon fiber;
6 parts of anti-abrasion powder;
17 parts of nano-grade active light calcium carbonate;
6 parts of nano diamond sand grains;
4 parts of an antioxidant;
3 parts of an anti-aging agent.
A preparation method of a bulletproof wire super-wear-resistant cable comprises the following steps:
(1) forming strands of wire cores: twisting the multi-strand wire core into one strand by using a strand forming machine;
(2) the preparation of the insulating layer comprises the following steps:
s1, preliminary mixing of materials: adding polyvinyl chloride resin, ethylene propylene diene monomer rubber and modified carbon fiber into a mixer for preliminary mixing, and adjusting the mixing temperature to 90 ℃ to uniformly mix the polyvinyl chloride resin, the ethylene propylene diene monomer rubber and the modified carbon fiber;
s2, integrally mixing materials: adding the rest of the crude paraffin, the nitrile rubber and the plasticizer into the preliminarily mixed materials, uniformly mixing the materials, and adding the uniformly mixed materials into a mixing roll to mix for 50min, wherein the mixing temperature is 102 ℃;
s3, open mixing treatment: adding the internally mixed materials into an open mill for open milling for 10 min;
s4, dry chemical crosslinking treatment: carrying out dry chemical crosslinking treatment on the milled material;
s5, overmolding: coating the processed material on the surface of the stranded wire core after the processed material is manufactured and molded to form a high-temperature-resistant insulating layer;
(3) and (3) coating of a shielding layer: weaving a plurality of layers of copper nets on the surface of the insulating layer, and forming a shielding layer on the surface of the insulating layer;
(4) the preparation of the wear-resistant protective layer comprises the following steps:
s1, preliminary mixing of materials: adding polyvinyl chloride resin, ethylene propylene diene monomer rubber and modified carbon fiber into a mixer for preliminary mixing, and adjusting the mixing temperature to 90 ℃ to uniformly mix the polyvinyl chloride resin, the ethylene propylene diene monomer rubber and the modified carbon fiber;
s2, integrally mixing materials: adding the rest anti-wear powder, nano-grade active light calcium carbonate, nano-grade diamond sand grains, an antioxidant and an anti-aging agent into the primarily mixed material, uniformly mixing, and adding into a mixing roll to mix for 50min, wherein the mixing temperature is 102 ℃;
s3, open mixing treatment: adding the internally mixed materials into an open mill for open milling for 18 min;
s4, overmolding: coating the processed material on the surface of the stranded wire core after the processed material is manufactured and molded to form a wear-resistant protective layer;
(5) winding: and cleaning the surface of the prepared cable, and rolling.
When the bulletproof wire super-wear-resistant cable obtained by the embodiment is used, if the bulletproof wire super-wear-resistant cable is rubbed on the ground for a long time or bears a large tensile force for a long time, the original state can be kept unchanged, and the phenomena of wire springing and abrasion are avoided.
Example 3
A bulletproof silk super-wear-resistant cable comprises a wire core formed by winding a plurality of groups of wires and a protective layer, wherein the protective layer wraps the outside of the wire core and comprises an insulating layer, a shielding layer and a wear-resistant protective layer,
the insulating layer comprises the following raw materials in parts by weight:
55.5 parts of polyvinyl chloride resin;
25 parts of ethylene propylene diene monomer;
17.5 parts of modified carbon fiber;
6 parts of crude paraffin;
11.5 parts of nitrile rubber;
and 5 parts of a plasticizer.
Wherein, the plasticizer is dioctyl phthalate and dibutyl phthalate, and the adding ratio of the dioctyl phthalate to the dibutyl phthalate is 4: 1.
The shielding layer is formed by weaving a copper net, the weaving density of the copper net is 65%, and the number of weaving layers is 3;
the wear-resistant anticorrosive layer comprises the following raw materials in parts by weight:
55 parts of polyvinyl chloride resin;
26 parts of ethylene propylene diene monomer;
17 parts of modified carbon fiber;
6.5 parts of anti-abrasion powder;
17.5 parts of nano-grade active light calcium carbonate;
7 parts of nano diamond sand grains;
2 parts of an antioxidant;
3.5 parts of anti-aging agent.
A preparation method of a bulletproof wire super-wear-resistant cable comprises the following steps:
(1) forming strands of wire cores: twisting the multi-strand wire core into one strand by using a strand forming machine;
(2) the preparation of the insulating layer comprises the following steps:
s1, preliminary mixing of materials: adding polyvinyl chloride resin, ethylene propylene diene monomer rubber and modified carbon fiber into a mixer for preliminary mixing, and adjusting the mixing temperature to 92 ℃ to uniformly mix the polyvinyl chloride resin, the ethylene propylene diene monomer rubber and the modified carbon fiber;
s2, integrally mixing materials: adding the rest of the crude paraffin, the nitrile rubber and the plasticizer into the primarily mixed material, uniformly mixing the materials, and adding the uniformly mixed materials into a mixing roll to mix for 42min, wherein the mixing temperature is 105 ℃;
s3, open mixing treatment: adding the internally mixed materials into an open mill for open milling for 17 min;
s4, dry chemical crosslinking treatment: carrying out dry chemical crosslinking treatment on the milled material;
s5, overmolding: coating the processed material on the surface of the stranded wire core after the processed material is manufactured and molded to form a high-temperature-resistant insulating layer;
(3) and (3) coating of a shielding layer: weaving a plurality of layers of copper nets on the surface of the insulating layer, and forming a shielding layer on the surface of the insulating layer;
(4) the preparation of the wear-resistant protective layer comprises the following steps:
s1, preliminary mixing of materials: adding polyvinyl chloride resin, ethylene propylene diene monomer rubber and modified carbon fiber into a mixer for preliminary mixing, and adjusting the mixing temperature to 91 ℃ to uniformly mix the polyvinyl chloride resin, the ethylene propylene diene monomer rubber and the modified carbon fiber;
s2, integrally mixing materials: adding the rest anti-wear powder, nano-grade active light calcium carbonate, nano-grade diamond sand grains, an antioxidant and an anti-aging agent into the primarily mixed material, uniformly mixing, and adding into a mixing roll to mix for 38min, wherein the mixing temperature is 103 ℃;
s3, open mixing treatment: adding the internally mixed materials into an open mill for open milling for 19 min;
s4, overmolding: coating the processed material on the surface of the stranded wire core after the processed material is manufactured and molded to form a wear-resistant protective layer;
(5) winding: and cleaning the surface of the prepared cable, and rolling.
When the bulletproof wire super-wear-resistant cable obtained by the embodiment is used, if the bulletproof wire super-wear-resistant cable is rubbed on the ground for a long time or bears a large tensile force for a long time, the original state can be kept unchanged, and the phenomena of wire springing and abrasion are avoided.
Example 4
A bulletproof silk super-wear-resistant cable comprises a wire core formed by winding a plurality of groups of wires and a protective layer, wherein the protective layer wraps the outside of the wire core and comprises an insulating layer, a shielding layer and a wear-resistant protective layer,
the insulating layer comprises the following raw materials in parts by weight:
56 parts of polyvinyl chloride resin;
26 parts of ethylene propylene diene monomer;
18 parts of modified carbon fiber;
6.3 parts of crude paraffin;
12 parts of nitrile rubber;
6 parts of a plasticizer.
Wherein the plasticizer is dioctyl phthalate and dibutyl phthalate, and the addition ratio of the dioctyl phthalate to the dibutyl phthalate is 5: 1.
The shielding layer is formed by weaving a copper net, the weaving density of the copper net is 75%, and the number of weaving layers is 1;
the wear-resistant anticorrosive layer comprises the following raw materials in parts by weight:
56 parts of polyvinyl chloride resin;
27 parts of ethylene propylene diene monomer;
18 parts of modified carbon fiber;
7 parts of anti-abrasion powder;
18 parts of nano-grade active light calcium carbonate;
8 parts of nano diamond sand grains;
6 parts of an antioxidant;
4 parts of an anti-aging agent.
A preparation method of a bulletproof wire super-wear-resistant cable comprises the following steps:
(1) forming strands of wire cores: twisting the multi-strand wire core into one strand by using a strand forming machine;
(2) the preparation of the insulating layer comprises the following steps:
s1, preliminary mixing of materials: adding polyvinyl chloride resin, ethylene propylene diene monomer rubber and modified carbon fiber into a mixer for preliminary mixing, and adjusting the mixing temperature to 92 ℃ to uniformly mix the polyvinyl chloride resin, the ethylene propylene diene monomer rubber and the modified carbon fiber;
s2, integrally mixing materials: adding the rest of the crude paraffin, the nitrile rubber and the plasticizer into the primarily mixed material, uniformly mixing the materials, and adding the uniformly mixed materials into a mixing roll to mix for 41min, wherein the mixing temperature is 104 ℃;
s3, open mixing treatment: adding the internally mixed materials into an open mill for open milling for 16 min;
s4, dry chemical crosslinking treatment: carrying out dry chemical crosslinking treatment on the milled material;
s5, overmolding: coating the processed material on the surface of the stranded wire core after the processed material is manufactured and molded to form a high-temperature-resistant insulating layer;
(3) and (3) coating of a shielding layer: weaving a plurality of layers of copper nets on the surface of the insulating layer, and forming a shielding layer on the surface of the insulating layer;
(4) the preparation of the wear-resistant protective layer comprises the following steps:
s1, preliminary mixing of materials: adding polyvinyl chloride resin, ethylene propylene diene monomer rubber and modified carbon fiber into a mixer for preliminary mixing, and adjusting the mixing temperature to 95 ℃ to uniformly mix the polyvinyl chloride resin, the ethylene propylene diene monomer rubber and the modified carbon fiber;
s2, integrally mixing materials: adding the rest anti-wear powder, nano-grade active light calcium carbonate, nano-grade diamond sand grains, an antioxidant and an anti-aging agent into the primarily mixed material, uniformly mixing, and adding into a mixing roll for mixing for 30min, wherein the mixing temperature is 106 ℃;
s3, open mixing treatment: adding the internally mixed materials into an open mill for open milling for 18 min;
s4, overmolding: coating the processed material on the surface of the stranded wire core after the processed material is manufactured and molded to form a wear-resistant protective layer;
(5) winding: and cleaning the surface of the prepared cable, and rolling.
Example 5
A bulletproof silk super-wear-resistant cable comprises a wire core formed by winding a plurality of groups of wires and a protective layer, wherein the protective layer wraps the outside of the wire core and comprises an insulating layer, a shielding layer and a wear-resistant protective layer,
the insulating layer comprises the following raw materials in parts by weight:
60 parts of polyvinyl chloride resin;
30 parts of ethylene propylene diene monomer;
20 parts of modified carbon fiber;
7 parts of crude paraffin;
13 parts of nitrile rubber;
7 parts of a plasticizer;
wherein, the plasticizer is dioctyl phthalate and dibutyl phthalate, and the adding ratio of the dioctyl phthalate to the dibutyl phthalate is 4: 1.
The shielding layer is formed by weaving a copper mesh, the weaving density of the copper mesh is 69%, and the number of weaving layers is 2;
the wear-resistant anticorrosive layer comprises the following raw materials in parts by weight:
60 parts of polyvinyl chloride resin;
30 parts of ethylene propylene diene monomer;
20 parts of modified carbon fiber;
8 parts of anti-wear powder;
20 parts of nano-grade active light calcium carbonate;
10 parts of nano diamond sand grains;
7 parts of an antioxidant;
5 parts of anti-aging agent.
A preparation method of a bulletproof wire super-wear-resistant cable comprises the following steps:
(1) forming strands of wire cores: twisting the multi-strand wire core into one strand by using a strand forming machine;
(2) the preparation of the insulating layer comprises the following steps:
s1, preliminary mixing of materials: adding polyvinyl chloride resin, ethylene propylene diene monomer rubber and modified carbon fiber into a mixer for preliminary mixing, and adjusting the mixing temperature to 95 ℃ to uniformly mix the polyvinyl chloride resin, the ethylene propylene diene monomer rubber and the modified carbon fiber;
s2, integrally mixing materials: adding the rest of the crude paraffin, the nitrile rubber and the plasticizer into the preliminarily mixed materials, uniformly mixing the materials, and adding the uniformly mixed materials into a mixing roll to mix for 39min, wherein the mixing temperature is 104 ℃;
s3, open mixing treatment: adding the internally mixed materials into an open mill for open milling for 20 min;
s4, dry chemical crosslinking treatment: carrying out dry chemical crosslinking treatment on the milled material;
s5, overmolding: coating the processed material on the surface of the stranded wire core after the processed material is manufactured and molded to form a high-temperature-resistant insulating layer;
(3) and (3) coating of a shielding layer: weaving a plurality of layers of copper nets on the surface of the insulating layer, and forming a shielding layer on the surface of the insulating layer;
(4) the preparation of the wear-resistant protective layer comprises the following steps:
s1, preliminary mixing of materials: adding polyvinyl chloride resin, ethylene propylene diene monomer rubber and modified carbon fiber into a mixer for preliminary mixing, and adjusting the mixing temperature to 92 ℃ to uniformly mix the polyvinyl chloride resin, the ethylene propylene diene monomer rubber and the modified carbon fiber;
s2, integrally mixing materials: adding the rest anti-wear powder, nano-grade active light calcium carbonate, nano-grade diamond sand grains, an antioxidant and an anti-aging agent into the primarily mixed material, uniformly mixing, and adding into a mixing roll to mix for 32min, wherein the mixing temperature is 106 ℃;
s3, open mixing treatment: adding the internally mixed materials into an open mill for open milling for 20 min;
s4, overmolding: coating the processed material on the surface of the stranded wire core after the processed material is manufactured and molded to form a wear-resistant protective layer;
(5) winding: and cleaning the surface of the prepared cable, and rolling.
When the bulletproof wire super-wear-resistant cable obtained by the embodiment is used, if the bulletproof wire super-wear-resistant cable is rubbed on the ground for a long time or bears a large tensile force for a long time, the original state can be kept unchanged, and the phenomena of wire springing and abrasion are avoided.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (8)
1. A bulletproof silk super-wear-resistant cable is characterized by comprising a wire core formed by winding a plurality of groups of wires and a protective layer, wherein the protective layer wraps the outside of the wire core and comprises an insulating layer, a shielding layer and a wear-resistant protective layer,
the insulating layer comprises the following raw materials in parts by weight:
50-60 parts of polyvinyl chloride resin;
20-30 parts of ethylene propylene diene monomer;
15-20 parts of modified carbon fiber;
5-7 parts of crude paraffin;
10-13 parts of nitrile rubber;
3-7 parts of a plasticizer;
the shielding layer is formed by weaving a copper net;
the wear-resistant anticorrosive layer comprises the following raw materials in parts by weight:
50-60 parts of polyvinyl chloride resin;
20-30 parts of ethylene propylene diene monomer;
15-20 parts of modified carbon fiber;
5-8 parts of anti-wear powder;
15-20 parts of nano-grade active light calcium carbonate;
5-10 parts of nano diamond sand grains;
3-7 parts of an antioxidant;
2-5 parts of an anti-aging agent.
2. The ultra-abrasion-resistant cable as claimed in claim 1, wherein the plasticizer is dioctyl phthalate and dibutyl phthalate, and the addition ratio of the dioctyl phthalate to the dibutyl phthalate is 4-5: 1.
3. The bulletproof silk super abrasion-resistant cable according to claim 1, wherein the insulating layer comprises the following raw materials in parts by weight:
55-56 parts of polyvinyl chloride resin;
24-26 parts of ethylene propylene diene monomer;
17-18 parts of modified carbon fiber;
5.8-6.3 parts of crude paraffin;
11-12 parts of nitrile rubber;
4-6 parts of a plasticizer.
4. The ballistic wire ultra abrasion resistant cable of claim 1 wherein the copper mesh of the shielding layer has a weave density of 65% to 79%.
5. The bulletproof silk-proof super wear-resistant cable as claimed in claim 1, wherein the number of woven copper mesh layers of the shielding layer is 1-3.
6. The bulletproof silk super-abrasion-resistant cable as claimed in claim 1, wherein the abrasion-resistant protective layer preferably comprises the following raw materials in parts by weight:
54-56 parts of polyvinyl chloride resin;
24-27 parts of ethylene propylene diene monomer;
16-18 parts of modified carbon fiber;
6-7 parts of anti-wear powder;
17-18 parts of nano-grade active light calcium carbonate;
6-8 parts of nano diamond sand grains;
4-6 parts of an antioxidant;
3-4 parts of an anti-aging agent.
7. The process for preparing a ballistic wire ultra abrasion resistant cable according to claims 1 to 6, comprising the steps of:
(1) forming strands of wire cores: twisting the multi-strand wire core into one strand by using a strand forming machine;
(2) the preparation of the insulating layer comprises the following steps:
s1, preliminary mixing of materials: adding polyvinyl chloride resin, ethylene propylene diene monomer rubber and modified carbon fiber into a mixer for preliminary mixing, and adjusting the mixing temperature to 90-95 ℃ to uniformly mix the polyvinyl chloride resin, the ethylene propylene diene monomer rubber and the modified carbon fiber;
s2, integrally mixing materials: adding the rest of the crude paraffin, the nitrile rubber and the plasticizer into the preliminarily mixed materials, uniformly mixing the materials, and adding the uniformly mixed materials into a mixing roll to mix for 30-50 min;
s3, open mixing treatment: adding the internally mixed materials into an open mill for open milling for 10-20 min;
s4, dry chemical crosslinking treatment: carrying out dry chemical crosslinking treatment on the milled material;
s5, overmolding: coating the processed material on the surface of the stranded wire core after the processed material is manufactured and molded to form a high-temperature-resistant insulating layer;
(3) and (3) coating of a shielding layer: weaving a plurality of layers of copper nets on the surface of the insulating layer, and forming a shielding layer on the surface of the insulating layer;
(4) the preparation of the wear-resistant protective layer comprises the following steps:
s1, preliminary mixing of materials: adding polyvinyl chloride resin, ethylene propylene diene monomer rubber and modified carbon fiber into a mixer for preliminary mixing, and adjusting the mixing temperature to 90-95 ℃ to uniformly mix the polyvinyl chloride resin, the ethylene propylene diene monomer rubber and the modified carbon fiber;
s2, integrally mixing materials: adding the rest of the wear-resistant powder, the nano-grade active light calcium carbonate, the nano-grade diamond grains, the antioxidant and the anti-aging agent into the primarily mixed material, uniformly mixing, and adding into a mixing roll for mixing for 30-50 min;
s3, open mixing treatment: adding the internally mixed materials into an open mill for open milling for 10-20 min;
s4, overmolding: coating the processed material on the surface of the stranded wire core after the processed material is manufactured and molded to form a wear-resistant protective layer;
(5) winding: and cleaning the surface of the prepared cable, and rolling.
8. The method for preparing a bulletproof wire and ultra-wear-resistant cable as claimed in claim 7, wherein the material mixing temperature in step (2) and step (4) is 102 ℃ to 106 ℃.
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Cited By (1)
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Application publication date: 20210514 |