CN111234411A - Cold-resistant cable outer sheath and cable - Google Patents
Cold-resistant cable outer sheath and cable Download PDFInfo
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- CN111234411A CN111234411A CN202010113432.9A CN202010113432A CN111234411A CN 111234411 A CN111234411 A CN 111234411A CN 202010113432 A CN202010113432 A CN 202010113432A CN 111234411 A CN111234411 A CN 111234411A
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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
- 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
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
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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
- H01B7/28—Protection against damage caused by moisture, corrosion, chemical attack or weather
-
- 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
- H01B7/42—Insulated conductors or cables characterised by their form with arrangements for heat dissipation or conduction
- H01B7/428—Heat conduction
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/40—Heating elements having the shape of rods or tubes
- H05B3/54—Heating elements having the shape of rods or tubes flexible
- H05B3/56—Heating cables
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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
- C08L2203/20—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
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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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
-
- 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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Insulated Conductors (AREA)
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Abstract
The invention discloses a cold-resistant cable outer sheath which comprises the following material components in parts by weight: 50-60 parts of high-polymerization-degree polyvinyl chloride resin, 50-60 parts of low-polymerization-degree polyvinyl chloride resin, 35-45 parts of plasticizer, 3-5 parts of heat stabilizer, 3-5 parts of lubricant, 15-20 parts of low-temperature-resistant modified material, 6-10 parts of anti-aging agent and 8-15 parts of modified filler. When the cold-resistant cable works in a normal temperature range, the conducting wire is electrified to work, partial electric energy is converted into heat energy, the heat is rapidly transferred to the outer sheath through the heat conducting layer and the through holes in the inner sheath and is used for heating the outer sheath, the material performance of the outer sheath is enabled to be in a good temperature range, and the service life and the performance of the outer sheath are prolonged.
Description
Technical Field
The invention relates to the technical field of cold-resistant cables, in particular to a cold-resistant cable outer sheath and a cable.
Background
The cold-resistant cable is widely applied to low-temperature environment equipment and is an indispensable important supporting facility in various industries, national defense construction and major construction engineering. Especially when using cold-resistant cable in severe cold district, all have higher requirement to the performance of cable (life, anti tractive nature, cold-resistant, bending resistance), only accord with the requirement, can guarantee the security of cable use to cable is laid, and the external temperature is uncontrollable, and in case the temperature in some time quantum is less than the temperature that the cable was designed to use, then the performance of cable can descend by a wide margin, and life shortens greatly.
Disclosure of Invention
The invention aims to provide a cold-resistant cable outer sheath and a cable, which aim to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
according to one aspect of the invention, a cold-resistant cable outer sheath is provided, which comprises the following material components in parts by weight: 50-60 parts of high-polymerization-degree polyvinyl chloride resin, 50-60 parts of low-polymerization-degree polyvinyl chloride resin, 35-45 parts of plasticizer, 3-5 parts of heat stabilizer, 3-5 parts of lubricant, 15-20 parts of low-temperature-resistant modified material, 6-10 parts of anti-aging agent and 8-15 parts of modified filler.
Optionally, the cold-resistant cable outer sheath comprises the following material components in parts by weight: 52 parts of high-polymerization-degree polyvinyl chloride resin, 53 parts of low-polymerization-degree polyvinyl chloride resin, 37 parts of plasticizer, 3 parts of heat stabilizer, 3 parts of lubricant, 15 parts of low-temperature-resistant modified material, 6 parts of anti-aging agent and 9 parts of modified filler.
Optionally, the cold-resistant cable outer sheath comprises the following material components in parts by weight: 56 parts of high-polymerization-degree polyvinyl chloride resin, 55 parts of low-polymerization-degree polyvinyl chloride resin, 40 parts of plasticizer, 4 parts of heat stabilizer, 4 parts of lubricant, 17 parts of low-temperature-resistant modified material, 8 parts of anti-aging agent and 11 parts of modified filler.
Optionally, the cold-resistant cable outer sheath comprises the following material components in parts by weight: 59 parts of high-polymerization-degree polyvinyl chloride resin, 60 parts of low-polymerization-degree polyvinyl chloride resin, 44 parts of plasticizer, 5 parts of heat stabilizer, 5 parts of lubricant, 19 parts of low-temperature-resistant modified material, 10 parts of anti-aging agent and 15 parts of modified filler.
Wherein the polymerization degree range of the polyvinyl chloride resin with high polymerization degree is SG1-SG 3.
Wherein the polymerization degree range of the low-polymerization-degree polyvinyl chloride resin is SG5-SG 7.
Wherein the plasticizer is any one of ATBC, DOP and DOTP.
Wherein the heat stabilizer is calcium/zinc or a composite compound thereof.
Wherein the low-temperature resistant modified material comprises ethylene-vinyl acetate carbonyl copolymer, butyronitrile and styrene modifier.
According to another aspect of the invention, the cold-resistant cable comprises an outer sheath, wherein an armor layer, an inner sheath, a wrapping tape, a filling layer and a plurality of uniformly arranged wires are sequentially arranged on the inner side of the outer sheath, and heat conducting wires are arranged between the armor layer and the inner sheath.
The outer side of the heat-conducting wire is coated with an insulating layer, and the heat-conducting wire is uniformly wound on the surface of the armor layer and is integrally formed with the outer sheath.
Wherein, be equipped with a plurality of through-holes on the inner sheath.
The heat conduction layer is arranged between the inner sheath and the wrapping belt and is made of PVC composite heat conduction materials.
The raw material components adopted by the invention are explained as follows:
the polyvinyl chloride resin with high polymerization degree is polymerized by a suspension method, and the finished product of the outer sheath has higher mechanical strength, higher heat-resistant deformation temperature, better electrical insulation property, aging resistance and photo-thermal property, and the service life and the performance of the outer sheath are improved.
The low-polymerization-degree polyvinyl chloride resin is blended with the high-polymerization-degree polyvinyl chloride resin for processing, so that the performance of the outer sheath is ensured, the forming and processing temperature of the high-polymerization-degree polyvinyl chloride resin is reduced, the fluidity of the high-polymerization-degree polyvinyl chloride resin is improved, and the extrusion processing difficulty is reduced.
The plasticizer is any one of ATBC, DOP and DOTP, the plasticizing effect, the durability, the cold resistance and the processing performance of the ATBC, DOP and DOTP plasticizers are excellent, and the low-temperature flexibility temperature is below-35 ℃.
The heat stabilizer is calcium/zinc or a compound thereof, and belongs to a low-toxicity, green and environment-friendly heat stabilizer.
The ethylene-vinyl acetate carbonyl copolymer can improve the internal structure of the polyvinyl chloride resin and improve the shock resistance and the material toughness.
The butyronitrile improves the internal structure of the polyvinyl chloride resin, improves the impact energy absorption effect of the outer sheath, and improves the toughness of the material at low temperature.
The styrene modifier can improve the low-temperature flexibility and the impact strength of the outer sheath, has lower glass transition temperature, has better compatibility with polyvinyl chloride resin, plays a certain role in plasticization and toughening, and improves the low-temperature performance.
Compared with the prior art, the invention has the beneficial effects that:
1. when the cold-resistant cable works in a normal temperature range, the conducting wire is electrified to work, partial electric energy is converted into heat energy, the heat is rapidly transferred to the outer sheath through the heat conducting layer and the through holes in the inner sheath and is used for heating the outer sheath, the material performance of the outer sheath is enabled to be in a good temperature range, and the service life and the performance of the outer sheath are prolonged.
2. In the invention, when the cold-resistant cable works in an excessively low temperature environment, the heat conducting wires are electrified to work to convert electric energy into heat energy, the outer sheath is heated together with the heat energy generated by the working of the wires, the temperature of the outer sheath is increased, the material performance of the outer sheath is in a better temperature range, and the service life and the performance of the outer sheath are prolonged.
Drawings
Fig. 1 is a schematic diagram of the internal structure of the cold-resistant cable.
In the figure: 1. an outer sheath; 2. an armor layer; 3. an inner sheath; 4. wrapping belts; 5. a filling layer; 6. a wire; 7. heat conducting wires; 8. an insulating layer; 9. a through hole; 10. a thermally conductive layer.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, the present invention provides a technical solution:
according to one aspect of the invention, a cold-resistant cable outer sheath is provided, which comprises the following material components in parts by weight: 50-60 parts of high-polymerization-degree polyvinyl chloride resin, 50-60 parts of low-polymerization-degree polyvinyl chloride resin, 35-45 parts of plasticizer, 3-5 parts of heat stabilizer, 3-5 parts of lubricant, 15-20 parts of low-temperature-resistant modified material, 6-10 parts of anti-aging agent and 8-15 parts of modified filler.
Polyvinyl chloride resin is the most common material of the cable outer sheath 1, high-polymerization polyvinyl chloride resin (with the preferred polymerization degree of SG2) has high mechanical strength, high heat-resistant deformation temperature and good electrical insulation and aging-resistant photo-thermal performance, and can improve the service life and performance of the outer sheath 1, but the high-polymerization polyvinyl chloride resin has high molding temperature and poor fluidity and is difficult to extrude during production, so that the polyvinyl chloride resin is mixed with low-polymerization-degree polyvinyl chloride resin (with the preferred polymerization degree of SG5) to reduce the molding temperature and improve the fluidity, and the mixed molding material can still have good low-temperature performance.
The plasticizer is any one of ATBC (acetyl tri-n-butyl citrate), DOP (dioctyl phthalate) and DOTP (dioctyl terephthalate), the plasticizing effect, the durability, the cold resistance and the processing performance of the ATBC, DOP and DOTP plasticizers are excellent, the low-temperature flexible temperature is below minus 35 ℃, namely when the outer sheath 1 is used in an environment with the temperature higher than minus 35 ℃, the performance of the plasticizer is stable, and the use requirements under most environments are met.
In order to clearly understand the technical scheme of the invention, the scheme of the invention is described in detail by specific examples
The first embodiment is as follows:
a cold-resistant cable outer sheath comprises the following material components in parts by weight: 52 parts of high-polymerization-degree polyvinyl chloride resin, 53 parts of low-polymerization-degree polyvinyl chloride resin, 37 parts of plasticizer, 3 parts of heat stabilizer, 3 parts of lubricant, 15 parts of low-temperature-resistant modified material, 6 parts of anti-aging agent and 9 parts of modified filler.
Example two:
a cold-resistant cable outer sheath comprises the following material components in parts by weight: 56 parts of high-polymerization-degree polyvinyl chloride resin, 55 parts of low-polymerization-degree polyvinyl chloride resin, 40 parts of plasticizer, 4 parts of heat stabilizer, 4 parts of lubricant, 17 parts of low-temperature-resistant modified material, 8 parts of anti-aging agent and 11 parts of modified filler.
Example three:
a cold-resistant cable outer sheath comprises the following material components in parts by weight: 59 parts of high-polymerization-degree polyvinyl chloride resin, 60 parts of low-polymerization-degree polyvinyl chloride resin, 44 parts of plasticizer, 5 parts of heat stabilizer, 5 parts of lubricant, 19 parts of low-temperature-resistant modified material, 10 parts of anti-aging agent and 15 parts of modified filler.
According to another aspect of the invention, the cold-resistant cable comprises an outer sheath 1, an armor layer 2, an inner sheath 3, a wrapping tape 4, a filling layer 5 and a plurality of uniformly arranged wires 6 are sequentially arranged on the inner side of the outer sheath 1, and heat conducting wires 7 are arranged between the armor layer 2 and the inner sheath 3.
The heat conducting wire 7 is used for heating the outer sheath 1 at a low temperature, the outer sheath 1 is prevented from being in an environment with a low temperature for a long time, the material performance is reduced, the damage and the service life are reduced, meanwhile, the heat conducting wire 7 is wound on the outer side of the armor layer 2 and is in full contact with the outer sheath 1 on the outer side, the insulating layer 8 on the outer side of the heat conducting wire 7 prevents the heat conducting wire 7 from leaking electricity and is conducted to the whole cable wire through the armor layer 2, the through hole 9 in the inner sheath 3 is used for heat dissipation when the wire 6 works, when the cable is in a designed temperature range, the outer sheath 1 is heated through the temperature generated by the work of the wire 6, in order to prevent the through hole 9 in the inner sheath 3 from influencing the sealing performance and the protective performance of the inner sheath 3, the heat conducting layer 10 is arranged between the inner sheath 3 and the wrapping tape 4, the heat conducting layer 10 is used, The wires 6 are not easily damaged.
Wherein, the outside of heat conduction silk 7 scribbles insulating layer 8, and heat conduction silk 7 evenly winds the surface of establishing with armor 2, and with oversheath 1 integrated into one piece, and heat conduction silk 7 is in when crossing under the low temperature at the cable, converts the electric energy into heat energy, heats oversheath 1, improves the temperature of oversheath 1 for the material performance of oversheath 1 is in better temperature interval, increases oversheath 1's life.
Wherein, be equipped with a plurality of through-holes 9 on the inner sheath 3, through-hole 9 is used for thermal transmission, and the during operation under normal conditions, wire 6 itself will produce the heat, derives the heat fast through-hole 9 for the heating of self.
Wherein, be equipped with heat-conducting layer 10 between inner sheath 3 and the band 4, heat-conducting layer 10 is the compound heat conduction material of PVC, for through-hole 9 on avoiding inner sheath 3 influences the leakproofness and the protective properties of inner sheath 3, is equipped with heat-conducting layer 10 between inner sheath 3 and band 4 consequently, carries out the transmission of heat energy through heat-conducting layer 10 to protection band layer 4 and inside filling layer 5, wire 6 are difficult for receiving the destruction.
The working principle is as follows:
when the cold-resistant cable works in a normal temperature range, the wire 6 is electrified to work, partial electric energy is converted into heat energy, the heat is rapidly transferred to the outer sheath 1 through the heat conduction layer 10 and the through holes 9 in the inner sheath 3, the outer sheath 1 is heated, the material performance of the outer sheath 1 is in a good temperature range, and the service life and the performance of the outer sheath 1 are prolonged.
When the cold-resistant cable works in an excessively low temperature environment, the heat conducting wires 7 are electrified to work to convert electric energy into heat energy, the outer sheath 1 is heated together with the heat energy generated by the working of the wires 6, the temperature of the outer sheath 1 is increased, the material performance of the outer sheath 1 is in a better temperature range, and the service life and the performance of the outer sheath 1 are prolonged.
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 (13)
1. The utility model provides a cold-resistant cable oversheath which characterized in that: comprises the following material components in parts by weight: 50-60 parts of high-polymerization-degree polyvinyl chloride resin, 50-60 parts of low-polymerization-degree polyvinyl chloride resin, 35-45 parts of plasticizer, 3-5 parts of heat stabilizer, 3-5 parts of lubricant, 15-20 parts of low-temperature-resistant modified material, 6-10 parts of anti-aging agent and 8-15 parts of modified filler.
2. The cold-resistant cable outer sheath of claim 1, wherein: comprises the following material components in parts by weight: 52 parts of high-polymerization-degree polyvinyl chloride resin, 53 parts of low-polymerization-degree polyvinyl chloride resin, 37 parts of plasticizer, 3 parts of heat stabilizer, 3 parts of lubricant, 15 parts of low-temperature-resistant modified material, 6 parts of anti-aging agent and 9 parts of modified filler.
3. The cold-resistant cable outer sheath of claim 1, wherein: comprises the following material components in parts by weight: 56 parts of high-polymerization-degree polyvinyl chloride resin, 55 parts of low-polymerization-degree polyvinyl chloride resin, 40 parts of plasticizer, 4 parts of heat stabilizer, 4 parts of lubricant, 17 parts of low-temperature-resistant modified material, 8 parts of anti-aging agent and 11 parts of modified filler.
4. The cold-resistant cable outer sheath of claim 1, wherein: comprises the following material components in parts by weight: 59 parts of high-polymerization-degree polyvinyl chloride resin, 60 parts of low-polymerization-degree polyvinyl chloride resin, 44 parts of plasticizer, 5 parts of heat stabilizer, 5 parts of lubricant, 19 parts of low-temperature-resistant modified material, 10 parts of anti-aging agent and 15 parts of modified filler.
5. The cold-resistant outer sheath for cables of any one of claims 1 to 4, wherein: the polymerization degree range of the polyvinyl chloride resin with high polymerization degree is SG1-SG 3.
6. The cold-resistant outer sheath for cables of any one of claims 1 to 4, wherein: the polymerization degree range of the low-polymerization-degree polyvinyl chloride resin is SG5-SG 7.
7. The cold-resistant outer sheath for cables of any one of claims 1 to 4, wherein the plasticizer is any one of ATBC, DOP and DOTP.
8. The cold-resistant cable jacket according to any one of claims 1 to 4, wherein the thermal stabilizer is calcium/zinc or a composite compound thereof.
9. The cold-resistant outer sheath for cables of any one of claims 1 to 4, wherein the low temperature-resistant modifying material comprises ethylene-vinyl acetate carbonyl copolymer, butyronitrile and styrene modifier.
10. A cold-resistant cable, characterized by comprising an outer sheath (1) according to any one of claims 1 to 4, wherein an armor layer (2), an inner sheath (3), a wrapping tape (4), a filling layer (5) and a plurality of uniformly arranged wires (6) are sequentially arranged on the inner side of the outer sheath (1), and a heat conducting wire (7) is arranged between the armor layer (2) and the inner sheath (3).
11. The cold-resistant cable as claimed in claim 10, wherein the outer side of the heat-conducting wires (7) is coated with an insulating layer (8), and the heat-conducting wires (7) are uniformly wound on the surface of the armor layer (2) and are integrally formed with the outer sheath (1).
12. Cold-resistant cable according to claim 10, characterized in that said inner sheath (3) is provided with a plurality of through holes (9).
13. The cold-resistant cable of claim 12, wherein a heat conducting layer (10) is arranged between the inner sheath (3) and the wrapping tape (4), and the heat conducting layer (10) is made of a PVC composite heat conducting material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010113432.9A CN111234411A (en) | 2020-02-24 | 2020-02-24 | Cold-resistant cable outer sheath and cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010113432.9A CN111234411A (en) | 2020-02-24 | 2020-02-24 | Cold-resistant cable outer sheath and cable |
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| CN111234411A true CN111234411A (en) | 2020-06-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010113432.9A Pending CN111234411A (en) | 2020-02-24 | 2020-02-24 | Cold-resistant cable outer sheath and cable |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115466471A (en) * | 2022-10-19 | 2022-12-13 | 四川天邑康和通信股份有限公司 | High-fluidity flame-retardant PVC material and preparation method thereof |
| CN118406330A (en) * | 2024-06-27 | 2024-07-30 | 河南普天电线电缆有限公司 | Low-temperature-resistant cable sheath for vehicle, preparation method and low-temperature-resistant cable for vehicle |
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| CN107857955A (en) * | 2017-11-23 | 2018-03-30 | 江苏上上电缆集团有限公司 | One kind is cold-resistant（‑40℃）High fire-retardance（OI≥38）PVC cable material and preparation method thereof |
| CN208351972U (en) * | 2016-08-31 | 2019-01-08 | 广安金侑达电业科技有限公司 | A kind of novel anti-freeze self-heating cable |
| CN209766081U (en) * | 2019-06-21 | 2019-12-10 | 无锡市宇盛线缆有限公司 | High-performance low-temperature-resistant cable |
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2020
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| CN103073816A (en) * | 2012-12-25 | 2013-05-01 | 东莞市祺龙电业有限公司 | Heat-resisting and cold-resisting environment-friendly PVC (polyvinyl chloride) modified material and preparation method thereof |
| CN203746515U (en) * | 2014-02-27 | 2014-07-30 | 新宇电缆集团股份有限公司 | Cold-resistant high-temperature-resistant wirecable |
| CN105924853A (en) * | 2016-06-24 | 2016-09-07 | 河南驼人医疗器械集团有限公司 | DEHCH-plasticized high-elasticity cold-resistant medical polyvinyl chloride granules and preparation method thereof |
| CN208351972U (en) * | 2016-08-31 | 2019-01-08 | 广安金侑达电业科技有限公司 | A kind of novel anti-freeze self-heating cable |
| CN107857955A (en) * | 2017-11-23 | 2018-03-30 | 江苏上上电缆集团有限公司 | One kind is cold-resistant（‑40℃）High fire-retardance（OI≥38）PVC cable material and preparation method thereof |
| CN209766081U (en) * | 2019-06-21 | 2019-12-10 | 无锡市宇盛线缆有限公司 | High-performance low-temperature-resistant cable |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115466471A (en) * | 2022-10-19 | 2022-12-13 | 四川天邑康和通信股份有限公司 | High-fluidity flame-retardant PVC material and preparation method thereof |
| CN118406330A (en) * | 2024-06-27 | 2024-07-30 | 河南普天电线电缆有限公司 | Low-temperature-resistant cable sheath for vehicle, preparation method and low-temperature-resistant cable for vehicle |
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