CN111363226A - Low-temperature-resistant high-density polyethylene power cable protection pipe - Google Patents
Low-temperature-resistant high-density polyethylene power cable protection pipe Download PDFInfo
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- CN111363226A CN111363226A CN202010273884.3A CN202010273884A CN111363226A CN 111363226 A CN111363226 A CN 111363226A CN 202010273884 A CN202010273884 A CN 202010273884A CN 111363226 A CN111363226 A CN 111363226A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/06—Polyethene
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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
- H01B3/441—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 alkenes
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/04—Protective tubing or conduits, e.g. cable ladders or cable troughs
- H02G3/0437—Channels
- H02G3/045—Channels provided with perforations or slots permitting introduction or exit of wires
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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
- C08K2003/2265—Oxides; Hydroxides of metals of iron
- C08K2003/2272—Ferric oxide (Fe2O3)
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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
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- C08K2201/011—Nanostructured additives
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- 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
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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
- C08L2203/18—Applications used for pipes
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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
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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
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
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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
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/06—Properties of polyethylene
- C08L2207/062—HDPE
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Abstract
The invention discloses a low-temperature-resistant high-density polyethylene power cable protection tube, which comprises, by weight, 40-60 parts of high-density polyethylene, 20-40 parts of polyolefin, 5-15 parts of wear-resistant carbon black, 8-20 parts of zirconium tetrafluoride, 7-14 parts of ferrite nanoparticles, 3-9 parts of calcined argil, 10-20 parts of nano-silica, 7-15 parts of azodiisobutyronitrile, 6-10 parts of active silicon micropowder, 2-4 parts of reinforcing fibers and 3-9 parts of toughening modifiers.
Description
Technical Field
The invention relates to the technical field of preparation of power cable protection pipe materials, in particular to a low-temperature-resistant high-density polyethylene power cable protection pipe.
Background
The power cable protection pipe is also called as a protection pipe and a conduit, and is a pipeline for protecting wires and cable wiring in electrical installation, and allows the wires and the cables to be penetrated and replaced. The cable sleeve is a novel sleeve material which is popularized and used in the power engineering.
The current electrical material has certain mechanical properties, but is easy to break when used in a severe environment for a long time, and therefore, improvement is needed.
Disclosure of Invention
The invention aims to provide a low-temperature-resistant high-density polyethylene power cable protection pipe to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a low-temperature-resistant high-density polyethylene power cable protection tube comprises, by weight, 40-60 parts of high-density polyethylene, 20-40 parts of polyolefin, 5-15 parts of wear-resistant carbon black, 8-20 parts of zirconium tetrafluoride, 7-14 parts of ferrite nanoparticles, 3-9 parts of calcined argil, 10-20 parts of nano-silica, 7-15 parts of azobisisobutyronitrile, 6-10 parts of active silicon micropowder, 2-4 parts of reinforcing fibers and 3-9 parts of toughening modifiers.
Preferably, the insulating flame-retardant material comprises 50 parts of high-density polyethylene, 30 parts of polyolefin, 10 parts of wear-resistant carbon black, 14 parts of zirconium tetrafluoride, 10 parts of ferrite nanoparticles, 6 parts of calcined clay, 15 parts of nano-silica, 11 parts of azodiisobutyronitrile, 8 parts of active silicon micropowder, 3 parts of reinforcing fiber and 6 parts of toughening modifier.
Preferably, the reinforcing fiber is prepared by mixing 40% of steel fiber, 30% of glass fiber and 30% of activated carbon fiber.
Preferably, the preparation method comprises the following steps:
A. firstly, mixing wear-resistant carbon black, zirconium tetrafluoride, ferrite nanoparticles, calcined argil and nano-silica, adding the mixture into a ball mill for ball milling, and then sieving the mixture through a 80-mesh sieve to obtain a mixture A;
B. adding high-density polyethylene, polyolefin, azodiisobutyronitrile, active silica micropowder, reinforcing fiber and toughening modifier into the mixture A, fully mixing, and adding into a mixing roll for mixing to obtain a mixture B;
C. adding the mixture B into a double-screw extruder for extrusion, wherein the extruded material is the insulating flame-retardant material;
D. and D, adding the insulating flame-retardant material obtained in the step C into a sleeve extruder, and extruding the power cable protection pipe.
Preferably, the mixing temperature in the step B is 130-160 ℃, and the mixing time is 20-30 min.
Preferably, the extrusion temperature in the step C is 190-210 ℃.
Compared with the prior art, the invention has the beneficial effects that: the preparation method adopted by the invention is simple, and the prepared material has excellent flame retardance, wear resistance, high temperature resistance and impact resistance, and can improve the performance of the power cable protection pipe, so that the power cable protection pipe can be used for a long time in a severe environment; the zirconium tetrafluoride and ferrite nanoparticles added in the invention can enhance the overall performance of the sleeve; the added reinforcing fibers can improve the overall toughness of the sleeve, are not easy to deform and crack and further prolong the service life of the sleeve; in addition, the preparation method adopted by the invention can ensure that all materials are fully mixed, and the processing quality is improved.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides the following technical scheme: a low-temperature-resistant high-density polyethylene power cable protection tube comprises, by weight, 40-60 parts of high-density polyethylene, 20-40 parts of polyolefin, 5-15 parts of wear-resistant carbon black, 8-20 parts of zirconium tetrafluoride, 7-14 parts of ferrite nanoparticles, 3-9 parts of calcined argil, 10-20 parts of nano-silica, 7-15 parts of azobisisobutyronitrile, 6-10 parts of active silicon micropowder, 2-4 parts of reinforcing fibers and 3-9 parts of toughening modifiers; the reinforced fiber is prepared by mixing 40% of steel fiber, 30% of glass fiber and 30% of activated carbon fiber.
The first embodiment is as follows:
the insulating flame-retardant material comprises, by weight, 40 parts of high-density polyethylene, 20 parts of polyolefin, 5 parts of wear-resistant carbon black, 8 parts of zirconium tetrafluoride, 7 parts of ferrite nanoparticles, 3 parts of calcined argil, 10 parts of nano-silica, 7 parts of azodiisobutyronitrile, 6 parts of active silicon micropowder, 4 parts of reinforcing fiber and 3 parts of toughening modifier.
The preparation method of this example includes the following steps:
A. firstly, mixing wear-resistant carbon black, zirconium tetrafluoride, ferrite nanoparticles, calcined argil and nano-silica, adding the mixture into a ball mill for ball milling, and then sieving the mixture through a 80-mesh sieve to obtain a mixture A;
B. adding high-density polyethylene, polyolefin, azodiisobutyronitrile, active silica micropowder, reinforcing fiber and toughening modifier into the mixture A, fully mixing, and adding into a mixing roll for mixing to obtain a mixture B;
C. adding the mixture B into a double-screw extruder for extrusion, wherein the extruded material is the insulating flame-retardant material;
D. and D, adding the insulating flame-retardant material obtained in the step C into a sleeve extruder, and extruding the power cable protection pipe.
In this example, the mixing temperature in step B was 130 ℃ and the mixing time was 20 min.
In this embodiment, the extrusion temperature in step C is 190 ℃.
Example two:
the insulating flame-retardant material comprises, by weight, 60 parts of high-density polyethylene, 40 parts of polyolefin, 15 parts of wear-resistant carbon black, 20 parts of zirconium tetrafluoride, 14 parts of ferrite nanoparticles, 9 parts of calcined argil, 20 parts of nano-silica, 15 parts of azodiisobutyronitrile, 10 parts of active silicon micropowder, 4 parts of reinforcing fiber and 9 parts of toughening modifier.
The preparation method of this example includes the following steps:
A. firstly, mixing wear-resistant carbon black, zirconium tetrafluoride, ferrite nanoparticles, calcined argil and nano-silica, adding the mixture into a ball mill for ball milling, and then sieving the mixture through a 80-mesh sieve to obtain a mixture A;
B. adding high-density polyethylene, polyolefin, azodiisobutyronitrile, active silica micropowder, reinforcing fiber and toughening modifier into the mixture A, fully mixing, and adding into a mixing roll for mixing to obtain a mixture B;
C. adding the mixture B into a double-screw extruder for extrusion, wherein the extruded material is the insulating flame-retardant material;
D. and D, adding the insulating flame-retardant material obtained in the step C into a sleeve extruder, and extruding the power cable protection pipe.
In this example, the mixing temperature in step B was 160 ℃ and the mixing time was 30 min.
In this embodiment, the extrusion temperature in step C is 210 ℃.
Example three:
the insulating flame-retardant material comprises, by weight, 45 parts of high-density polyethylene, 25 parts of polyolefin, 7 parts of wear-resistant carbon black, 10 parts of zirconium tetrafluoride, 8 parts of ferrite nanoparticles, 4 parts of calcined argil, 12 parts of nano-silica, 8 parts of azodiisobutyronitrile, 7 parts of active silicon micropowder, 3 parts of reinforcing fiber and 4 parts of toughening modifier.
The preparation method of this example includes the following steps:
A. firstly, mixing wear-resistant carbon black, zirconium tetrafluoride, ferrite nanoparticles, calcined argil and nano-silica, adding the mixture into a ball mill for ball milling, and then sieving the mixture through a 80-mesh sieve to obtain a mixture A;
B. adding high-density polyethylene, polyolefin, azodiisobutyronitrile, active silica micropowder, reinforcing fiber and toughening modifier into the mixture A, fully mixing, and adding into a mixing roll for mixing to obtain a mixture B;
C. adding the mixture B into a double-screw extruder for extrusion, wherein the extruded material is the insulating flame-retardant material;
D. and D, adding the insulating flame-retardant material obtained in the step C into a sleeve extruder, and extruding the power cable protection pipe.
In this example, the mixing temperature in step B was 135 ℃ and the mixing time was 22 min.
In this example, the extrusion temperature in step C was 195 ℃.
Example four:
the insulating flame-retardant material comprises 55 parts of high-density polyethylene, 35 parts of polyolefin, 12 parts of wear-resistant carbon black, 16 parts of zirconium tetrafluoride, 13 parts of ferrite nanoparticles, 8 parts of calcined argil, 18 parts of nano-silica, 13 parts of azodiisobutyronitrile, 9 parts of active silicon micropowder, 4 parts of reinforcing fiber and 8 parts of toughening modifier according to parts by weight.
The preparation method of this example includes the following steps:
A. firstly, mixing wear-resistant carbon black, zirconium tetrafluoride, ferrite nanoparticles, calcined argil and nano-silica, adding the mixture into a ball mill for ball milling, and then sieving the mixture through a 80-mesh sieve to obtain a mixture A;
B. adding high-density polyethylene, polyolefin, azodiisobutyronitrile, active silica micropowder, reinforcing fiber and toughening modifier into the mixture A, fully mixing, and adding into a mixing roll for mixing to obtain a mixture B;
C. adding the mixture B into a double-screw extruder for extrusion, wherein the extruded material is the insulating flame-retardant material;
D. and D, adding the insulating flame-retardant material obtained in the step C into a sleeve extruder, and extruding the power cable protection pipe.
In this example, the kneading temperature in step B was 155 ℃ and the kneading time was 28 min.
In this embodiment, the extrusion temperature in step C is 205 ℃.
Example five:
the insulating flame-retardant material comprises, by weight, 48 parts of high-density polyethylene, 24 parts of polyolefin, 12 parts of wear-resistant carbon black, 15 parts of zirconium tetrafluoride, 13 parts of ferrite nanoparticles, 5 parts of calcined argil, 17 parts of nano-silica, 9 parts of azodiisobutyronitrile, 9 parts of active silicon micropowder, 2 parts of reinforcing fiber and 7 parts of toughening modifier.
The preparation method of this example includes the following steps:
A. firstly, mixing wear-resistant carbon black, zirconium tetrafluoride, ferrite nanoparticles, calcined argil and nano-silica, adding the mixture into a ball mill for ball milling, and then sieving the mixture through a 80-mesh sieve to obtain a mixture A;
B. adding high-density polyethylene, polyolefin, azodiisobutyronitrile, active silica micropowder, reinforcing fiber and toughening modifier into the mixture A, fully mixing, and adding into a mixing roll for mixing to obtain a mixture B;
C. adding the mixture B into a double-screw extruder for extrusion, wherein the extruded material is the insulating flame-retardant material;
D. and D, adding the insulating flame-retardant material obtained in the step C into a sleeve extruder, and extruding the power cable protection pipe.
In this example, the mixing temperature in step B was 155 ℃ and the mixing time was 16 min.
In this example, the extrusion temperature in step C was 195 ℃.
Example six:
the insulating flame-retardant material comprises, by weight, 50 parts of high-density polyethylene, 30 parts of polyolefin, 10 parts of wear-resistant carbon black, 14 parts of zirconium tetrafluoride, 10 parts of ferrite nanoparticles, 6 parts of calcined argil, 15 parts of nano-silica, 11 parts of azodiisobutyronitrile, 8 parts of active silicon micropowder, 3 parts of reinforcing fiber and 6 parts of toughening modifier.
The preparation method of this example includes the following steps:
A. firstly, mixing wear-resistant carbon black, zirconium tetrafluoride, ferrite nanoparticles, calcined argil and nano-silica, adding the mixture into a ball mill for ball milling, and then sieving the mixture through a 80-mesh sieve to obtain a mixture A;
B. adding high-density polyethylene, polyolefin, azodiisobutyronitrile, active silica micropowder, reinforcing fiber and toughening modifier into the mixture A, fully mixing, and adding into a mixing roll for mixing to obtain a mixture B;
C. adding the mixture B into a double-screw extruder for extrusion, wherein the extruded material is the insulating flame-retardant material;
D. and D, adding the insulating flame-retardant material obtained in the step C into a sleeve extruder, and extruding the power cable protection pipe.
In this example, the mixing temperature in step B was 145 ℃ and the mixing time was 25 min.
In this embodiment, the extrusion temperature in step C is 200 ℃.
Experimental example:
the materials prepared by the embodiments of the invention are used for performance test, and the obtained data are as follows:
in conclusion, the preparation method adopted by the invention is simple, and the prepared material has excellent flame retardance, wear resistance, high temperature resistance and impact resistance, and can improve the performance of the power cable protection pipe, so that the power cable protection pipe can be used for a long time in a severe environment; the zirconium tetrafluoride and ferrite nanoparticles added in the invention can enhance the overall performance of the sleeve; the added reinforcing fibers can improve the overall toughness of the sleeve, are not easy to deform and crack and further prolong the service life of the sleeve; in addition, the preparation method adopted by the invention can ensure that all materials are fully mixed, and the processing quality is improved.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a low temperature resistant high density polyethylene power cable protection tube which characterized in that: the insulating flame-retardant material for the power cable protection tube comprises, by weight, 40-60 parts of high-density polyethylene, 20-40 parts of polyolefin, 5-15 parts of wear-resistant carbon black, 8-20 parts of zirconium tetrafluoride, 7-14 parts of ferrite nanoparticles, 3-9 parts of calcined clay, 10-20 parts of nano-silica, 7-15 parts of azobisisobutyronitrile, 6-10 parts of active silicon micropowder, 2-4 parts of reinforcing fibers and 3-9 parts of toughening modifiers.
2. The protection tube for power cable of low temperature resistant high density polyethylene according to claim 1, wherein: the preferable component proportion of the insulating flame-retardant material comprises 50 parts of high-density polyethylene, 30 parts of polyolefin, 10 parts of wear-resistant carbon black, 14 parts of zirconium tetrafluoride, 10 parts of ferrite nano-particles, 6 parts of calcined argil, 15 parts of nano-silica, 11 parts of azodiisobutyronitrile, 8 parts of active silicon micropowder, 3 parts of reinforcing fiber and 6 parts of toughening modifier.
3. The protection tube for power cable of low temperature resistant high density polyethylene according to claim 1, wherein: the reinforced fiber is prepared by mixing 40% of steel fiber, 30% of glass fiber and 30% of activated carbon fiber.
4. The preparation method for realizing the low-temperature-resistant high-density polyethylene power cable protection tube of claim 1 is characterized by comprising the following steps of: the preparation method comprises the following steps:
A. firstly, mixing wear-resistant carbon black, zirconium tetrafluoride, ferrite nanoparticles, calcined argil and nano-silica, adding the mixture into a ball mill for ball milling, and then sieving the mixture through a 80-mesh sieve to obtain a mixture A;
B. adding high-density polyethylene, polyolefin, azodiisobutyronitrile, active silica micropowder, reinforcing fiber and toughening modifier into the mixture A, fully mixing, and adding into a mixing roll for mixing to obtain a mixture B;
C. adding the mixture B into a double-screw extruder for extrusion, wherein the extruded material is the insulating flame-retardant material;
D. and D, adding the insulating flame-retardant material obtained in the step C into a sleeve extruder, and extruding the power cable protection pipe.
5. The preparation method of the low temperature resistant high density polyethylene power cable protection tube according to claim 4, characterized in that: the mixing temperature in the step B is 130-160 ℃, and the mixing time is 20-30 min.
6. The preparation method of the low temperature resistant high density polyethylene power cable protection tube according to claim 4, characterized in that: the extrusion temperature in the step C is 190-210 ℃.
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114106446A (en) * | 2021-12-21 | 2022-03-01 | 扬州市百通电缆材料有限公司 | Cable insulation material |
CN117659543A (en) * | 2023-12-06 | 2024-03-08 | 广东中讯通讯设备实业有限公司 | High-strength plastic-steel composite PE cable protection pipe and preparation method thereof |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN107915880A (en) * | 2017-11-27 | 2018-04-17 | 安徽华星电缆集团有限公司 | A kind of high temperature-resistant cable protective cover material |
CN108864531A (en) * | 2018-06-13 | 2018-11-23 | 赵丽莎 | A kind of preparation method of the high density polyethylene pipe material of environment-friendly degradable |
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2020
- 2020-04-09 CN CN202010273884.3A patent/CN111363226A/en active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107915880A (en) * | 2017-11-27 | 2018-04-17 | 安徽华星电缆集团有限公司 | A kind of high temperature-resistant cable protective cover material |
CN108864531A (en) * | 2018-06-13 | 2018-11-23 | 赵丽莎 | A kind of preparation method of the high density polyethylene pipe material of environment-friendly degradable |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114106446A (en) * | 2021-12-21 | 2022-03-01 | 扬州市百通电缆材料有限公司 | Cable insulation material |
CN117659543A (en) * | 2023-12-06 | 2024-03-08 | 广东中讯通讯设备实业有限公司 | High-strength plastic-steel composite PE cable protection pipe and preparation method thereof |
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