CN108676225A - A kind of modified composite shielding cable and preparation method thereof - Google Patents
A kind of modified composite shielding cable and preparation method thereof Download PDFInfo
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- CN108676225A CN108676225A CN201810394328.4A CN201810394328A CN108676225A CN 108676225 A CN108676225 A CN 108676225A CN 201810394328 A CN201810394328 A CN 201810394328A CN 108676225 A CN108676225 A CN 108676225A
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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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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L31/00—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 an acyloxy radical of a saturated carboxylic acid, of carbonic acid or of a haloformic acid; Compositions of derivatives of such polymers
- C08L31/02—Homopolymers or copolymers of esters of monocarboxylic acids
- C08L31/04—Homopolymers or copolymers of vinyl acetate
-
- 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
-
- 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
-
- 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
- H01B7/0275—Disposition of insulation comprising one or more extruded layers of insulation
-
- 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
- H01B9/021—Features relating to screening tape per se
-
- 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
-
- 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
-
- 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
- C08L2207/066—LDPE (radical process)
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Organic Insulating Materials (AREA)
Abstract
The present invention relates to a kind of modified composite shielding cables and preparation method thereof.Preparation method according to the ... of the embodiment of the present invention using ethylene vinyl acetate copolymer (wherein, in ethylene vinyl acetate copolymer the weight percent of vinyl acetate be 55%), linear low density polyethylene, low density polyethylene (LDPE), antioxidant, dioctyl adipate, paraffin, pentaerythritol fatty acid ester, acetyl tributylcitrate, barium stearate, dimethicone prepare modified composite shielding layer.Compared with prior art, the preparation method of modified composite shielding cable according to the ... of the embodiment of the present invention, cable shield machine-shaping property, mechanical performance and electrical isolation shielding properties can be improved, be conducive to uniform conductor surface field, significantly improve cable shield insulation performance, the adverse effect between cable internal structure and environment is reduced, keeps electric energy transmission ＆ distribution safer.
Description
Technical field
The invention belongs to electric line clothing arts, it is related to a kind of cable and preparation method thereof more particularly to one kind changes
Property composite shielding cable and preparation method thereof.
Background technology
Lv power cable and overhead insulating are the important components of electrical power trans mission/distribution system, and security performance is for entire electricity
The end-on of net and electric energy distribution are played the role of vital.Lv power cable and aerial insulated cable are in laying and frame
If when environment it is extremely complex sometimes, how to reduce laying and set up influence of the environment to cable, while reducing cable and taking
The influence to environment in operational process is used as a servant, and the comprehensive performance for improving cable is of great significance.
Common cross-linking polyethylene materials are as lv power cable and aerial insulated cable insulation shielding material at present, in reality
Border is produced in application process, and cross-linking polyethylene materials have the following disadvantages：1), cross-linking polyethylene materials are in melting extrusion process
In easily cause shielded layer eccentric due to material thermal plastic property, shielded layer it is in uneven thickness；2), cross-linking polyethylene materials are being handed over
Each section crosslinking degree differs during connection, and the mechanical performance and electrical property of material are inhomogenous；3), in practical applications, low pressure
The outer layer insulation material of power cable and overhead insulating insulated cable is usually polyvinyl chloride, and during double-layer coextrusion, crosslinking is poly-
Associativity between ethylene shielded layer and outer layer polyvinyl chloride is to be improved, is especially squeezing out office eccentric and that crosslinking is insufficient
Easily there is the layering of shielded layer and insulating layer in portion, seriously affects cable security performance.
Invention content
In order to overcome problems of the prior art, the present invention is intended to provide a kind of modified composite shielding material, modification are again
Close shielded cable and preparation method thereof.
According to an aspect of the present invention, a kind of modified composite shielding material, the modified composite shielding material is by vistanex
100 parts by weight, antioxidant 0.5-2 parts by weight, dioctyl adipate 2-5 parts by weight, paraffin 0.3-0.8 parts by weight, double Ji Wusi
Alcohol ester 0.3-0.9 parts by weight, acetyl tributylcitrate 0.01-0.05 parts by weight, barium stearate 0.02-0.06 parts by weight, diformazan
Base silicone oil 0.1-0.5 parts by weight are made；Wherein, in 100 parts by weight vistanexes, the weight of ethene-vinyl acetate copolymer
Part is 35-80, and the parts by weight of linear low density polyethylene are 10-30 and the parts by weight of low density polyethylene (LDPE) are 25-55；Its
In, the weight percent of vinyl acetate is 55% in ethene-vinyl acetate copolymer.
According to another aspect of the present invention, a kind of preparation method of modified composite shielding material, includes the following steps：
By 100 parts by weight of vistanex, antioxidant 0.5-2 parts by weight, dioctyl adipate 2-5 parts by weight, paraffin
0.3-0.8 parts by weight, pentaerythritol fatty acid ester 0.3-0.9 parts by weight, acetyl tributylcitrate 0.01-0.05 parts by weight, stearic acid
Barium 0.02-0.06 parts by weight, dimethicone 0.1-0.5 parts by weight are uniformly mixed, and are added in mixer and are kneaded, melting temperature
It is 50 DEG C -65 DEG C, mixing time 20min-30min；Wherein, in 100 parts by weight vistanexes, ethane-acetic acid ethyenyl is total
The parts by weight of polymers are 35-80, and the parts by weight of linear low density polyethylene are the parts by weight of 10-30 and low density polyethylene (LDPE)
For 25-55；Wherein, the weight percent of vinyl acetate is 55% in ethene-vinyl acetate copolymer；
Modified composite shielding material is made in granulating from colloid after mixing.
According to another aspect of the invention, a kind of modified composite shielding cable, the modified composite shielding cable is by being twisted
Conductor, modified composite shielding layer and insulating layer composition；The modified composite shielding layer is by 100 parts by weight of vistanex, anti-
Oxygen agent 0.5-2 parts by weight, dioctyl adipate 2-5 parts by weight, paraffin 0.3-0.8 parts by weight, pentaerythritol fatty acid ester 0.3-0.9 weights
Measure part, acetyl tributylcitrate 0.01-0.05 parts by weight, barium stearate 0.02-0.06 parts by weight, dimethicone 0.1-0.5
Parts by weight are made；Wherein, in 100 parts by weight vistanexes, the parts by weight of ethene-vinyl acetate copolymer are 35-80, linearly
The parts by weight of low density polyethylene (LDPE) are 10-30 and the parts by weight of low density polyethylene (LDPE) are 25-55；Wherein, ethylene-acetate second
The weight percent of vinyl acetate is 55% in alkene copolymer.
According to other aspects of the invention, a kind of preparation method of modified composite shielding cable, includes the following steps：
Using metal material, stranded conductor is made；
By 100 parts by weight of vistanex, antioxidant 0.5-2 parts by weight, dioctyl adipate 2-5 parts by weight, paraffin
0.3-0.8 parts by weight, pentaerythritol fatty acid ester 0.3-0.9 parts by weight, acetyl tributylcitrate 0.01-0.05 parts by weight, stearic acid
Barium 0.02-0.06 parts by weight, dimethicone 0.1-0.5 parts by weight are uniformly mixed, and are added in mixer and are kneaded, melting temperature
It is 50 DEG C -65 DEG C, mixing time 20min-30min；Modified composite shielding material is made in granulating from colloid after mixing；Wherein,
In 100 parts by weight vistanexes, the parts by weight of ethene-vinyl acetate copolymer are 35-80, the weight of linear low density polyethylene
Amount part is 10-30 and the parts by weight of low density polyethylene (LDPE) are 25-55；Wherein, acetic acid second in ethene-vinyl acetate copolymer
The weight percent of alkene is 55%；
Modified composite shielding material and Insulation Material are extruded in outside stranded conductor successively using double-layer coextrusion extruding machine, it is modified multiple
Close shielding material extrude temperature be 160 DEG C -175 DEG C, extrude pressure be 3MPa-8MPa, Insulation Material extrude temperature be 150 DEG C -
170 DEG C, it is 5-8MPa to extrude pressure, forms modified composite shielding layer and insulating layer, and the modified composite shielding electricity is finally made
Cable.
Exemplary embodiment according to the present invention, 60 DEG C of volume resistivities of the modified composite shielding layer are 350 Ω cm,
90 DEG C of volume resistivities are 750 Ω cm, and 110 DEG C of volume resistivities are 1300 Ω cm, and 130 DEG C of volume resistivities are 825
Ω·cm。
Exemplary embodiment according to the present invention, the modified composite shielding layer tensile strength are more than 15MPa, extension at break
Rate is more than 220%, impact brittle temperature and is less than -55 DEG C.
Compared with prior art, the present invention modified composite shielding cable according to the present invention, can improve cable shield
Machine-shaping property, mechanical performance and electrical isolation shielding properties, are conducive to uniform conductor surface field, significantly improve cable shield
Insulation performance reduces the adverse effect between cable internal structure and environment, keeps electric energy transmission ＆ distribution safer.
Specific implementation mode
To keep technical solution of the present invention and advantage clearer, the present invention is made into one by following specific embodiment
Step detailed description.Obviously, described embodiments are some of the embodiments of the present invention, instead of all the embodiments.Based on this
Embodiment in invention, those of ordinary skill in the art are obtained every other without making creative work
Embodiment shall fall within the protection scope of the present invention.
Embodiment 1：
1, using metal material, stranded conductor is made.
2, by 100 parts by weight of vistanex, 0.5 parts by weight of antioxidant, 2 parts by weight of dioctyl adipate, 0.3 weight of paraffin
Measure part, 0.4 parts by weight of pentaerythritol fatty acid ester, 0.02 parts by weight of acetyl tributylcitrate, 0.03 parts by weight of barium stearate, dimethyl
0.1 parts by weight of silicone oil are uniformly mixed, and are added in mixer and are kneaded, and melting temperature is 55 DEG C, mixing time 30min；It will mix
Modified composite shielding material is made in granulating from colloid after refining.Wherein, in vistanex, ethene-vinyl acetate copolymer：It is linear low
Density polyethylene：The parts by weight of low density polyethylene (LDPE)=35：10 parts by weight：55 parts by weight, wherein in ethene-vinyl acetate copolymer
The weight percent of vinyl acetate is 55%.
3, modified composite shielding material and Insulation Material are extruded in outside stranded conductor using double-layer coextrusion extruding machine, modification is compound
The temperature that extrudes of shielding material is 160 DEG C, and it is 5MPa to extrude pressure, and the temperature that extrudes of Insulation Material is 170 DEG C, and extruding pressure is
5MPa forms modified composite shielding layer and insulating layer, the modified composite shielding cable is finally made.
4, exemplary embodiment according to the present invention, 60 DEG C of volume resistivities of the modified composite shielding layer are 350 Ω
Cm, 90 DEG C of volume resistivities are 750 Ω cm, and 110 DEG C of volume resistivities are 1300 Ω cm, and 130 DEG C of volume resistivities are 825
Ω·cm。
5, exemplary embodiment according to the present invention, the modified composite shielding layer tensile strength is more than 15MPa, fracture is stretched
Long rate is more than 220%, impact brittle temperature and is less than -55 DEG C.
Embodiment 2：
1, using metal material, stranded conductor is made.
2, by 100 parts by weight of vistanex, 1.2 parts by weight of antioxidant, 2.5 parts by weight of dioctyl adipate, paraffin 0.3
Parts by weight, 0.3 parts by weight of pentaerythritol fatty acid ester, 0.02 parts by weight of acetyl tributylcitrate, 0.02 parts by weight of barium stearate, diformazan
0.3 parts by weight of base silicone oil are uniformly mixed, and are added in mixer and are kneaded, and melting temperature is 50 DEG C, mixing time 30min；It will
Modified composite shielding material is made in granulating from colloid after mixing.Wherein, in vistanex, ethene-vinyl acetate copolymer：Linearly
Low density polyethylene (LDPE)：The parts by weight of low density polyethylene (LDPE)=50：15 parts by weight：35 parts by weight, wherein ethene-vinyl acetate copolymer
The weight percent of middle vinyl acetate is 55%.
3, modified composite shielding material and Insulation Material are extruded in outside stranded conductor using double-layer coextrusion extruding machine, composite shielding
The temperature that extrudes of material is 165 DEG C, and it is 4MPa to extrude pressure, and the temperature that extrudes of Insulation Material is 158 DEG C, and it is 3MPa, shape to extrude pressure
At modified composite shielding layer and insulating layer, the modified composite shielding cable is finally made.
4, exemplary embodiment according to the present invention, 60 DEG C of volume resistivities of the modified composite shielding layer are 350 Ω
Cm, 90 DEG C of volume resistivities are 750 Ω cm, and 110 DEG C of volume resistivities are 1300 Ω cm, and 130 DEG C of volume resistivities are 825
Ω·cm。
5, exemplary embodiment according to the present invention, the modified composite shielding layer tensile strength is more than 15MPa, fracture is stretched
Long rate is more than 220%, impact brittle temperature and is less than -55 DEG C.
Embodiment 3：
1, using metal material, stranded conductor is made.
2, by 100 parts by weight of vistanex, 2 parts by weight of antioxidant, 5 parts by weight of dioctyl adipate, 0.8 weight of paraffin
Part, 0.5 parts by weight of pentaerythritol fatty acid ester, 0.04 parts by weight of acetyl tributylcitrate, 0.05 parts by weight of barium stearate, dimethyl-silicon
Oily 0.3 parts by weight, are uniformly mixed, and be added in mixer and be kneaded, and melting temperature is 65 DEG C, mixing time 30min；It will be kneaded
Modified composite shielding material is made in granulating from colloid afterwards.Wherein, in vistanex, ethene-vinyl acetate copolymer：It is linear low close
Spend polyethylene：The parts by weight of low density polyethylene (LDPE)=60：10 parts by weight：30 parts by weight, wherein second in ethene-vinyl acetate copolymer
The weight percent of sour ethylene is 55%.
3, modified composite shielding material and Insulation Material are extruded in outside stranded conductor using double-layer coextrusion extruding machine, composite shielding
The temperature that extrudes of material is 175 DEG C, and it is 6MPa to extrude pressure, and the temperature that extrudes of Insulation Material is 166 DEG C, and it is 8MPa, shape to extrude pressure
At modified composite shielding layer and insulating layer, the modified composite shielding cable is finally made.
4, exemplary embodiment according to the present invention, 60 DEG C of volume resistivities of the modified composite shielding layer are 350 Ω
Cm, 90 DEG C of volume resistivities are 750 Ω cm, and 110 DEG C of volume resistivities are 1300 Ω cm, and 130 DEG C of volume resistivities are 825
Ω·cm。
5, exemplary embodiment according to the present invention, the modified composite shielding layer tensile strength is more than 15MPa, fracture is stretched
Long rate is more than 220%, impact brittle temperature and is less than -55 DEG C.
It should be noted that the preparation of stranded conductor and the sequence of the preparation of modified composite shielding material are not necessarily to particular determination.
According to other embodiments of the invention, the preparation of modified composite shielding material can be same prior to the preparation of stranded conductor or the two
Shi Jinhang.
Above-described specific implementation mode has carried out further the purpose of the present invention, technical solution and advantageous effect
It is described in detail, it should be understood that the foregoing is merely the specific implementation mode of the present invention, is not intended to limit the present invention
Protection domain, all within the spirits and principles of the present invention, any modification, equivalent substitution, improvement and etc. done should all include
Within protection scope of the present invention.
Claims (6)
1. a kind of modified composite shielding cable, which is characterized in that the modified composite shielding cable is compound by stranded conductor, modification
Shielded layer and insulating layer composition；The modified composite shielding layer is by 100 parts by weight of vistanex, antioxidant 0.5-2 weight
Part, dioctyl adipate 2-5 parts by weight, paraffin 0.3-0.8 parts by weight, pentaerythritol fatty acid ester 0.3-0.9 parts by weight, acetyl lemon
Tributyl 0.01-0.05 parts by weight, barium stearate 0.02-0.06 parts by weight, dimethicone 0.1-0.5 parts by weight are made；Its
In, in 100 parts by weight vistanexes, the parts by weight of ethene-vinyl acetate copolymer are 35-80, linear low density polyethylene
Parts by weight be 10-30 and the parts by weight of low density polyethylene (LDPE) are 25-55；Wherein, second in ethene-vinyl acetate copolymer
The weight percent of sour ethylene is 55%.
2. modified composite shielding cable according to claim 1, which is characterized in that 60 DEG C of bodies of the modified composite shielding layer
Product resistivity is 350 Ω cm, and 90 DEG C of volume resistivities are 750 Ω cm, and 110 DEG C of volume resistivities are 1300 Ω cm, 130
DEG C volume resistivity is 825 Ω cm.
3. modified composite shielding cable according to claim 1, which is characterized in that the modified composite shielding layer tension is strong
Degree is more than 15MPa, and elongation at break is more than 220%, and impact brittle temperature is less than -55 DEG C.
4. a kind of preparation method of modified composite shielding cable, which is characterized in that the described method comprises the following steps：
Using metal material, stranded conductor is made；
By 100 parts by weight of vistanex, antioxidant 0.5-2 parts by weight, dioctyl adipate 2-5 parts by weight, paraffin 0.3-0.8
Parts by weight, pentaerythritol fatty acid ester 0.3-0.9 parts by weight, acetyl tributylcitrate 0.01-0.05 parts by weight, barium stearate 0.02-
0.06 parts by weight, dimethicone 0.1-0.5 parts by weight are uniformly mixed, and are added in mixer and are kneaded, and melting temperature is 50 DEG C-
65 DEG C, mixing time 20min-30min；Modified composite shielding material is made in granulating from colloid after mixing；Wherein, 100 weight
In part vistanex, the parts by weight of ethene-vinyl acetate copolymer are 35-80, and the parts by weight of linear low density polyethylene are
The parts by weight of 10-30 and low density polyethylene (LDPE) are 25-55；Wherein, in ethene-vinyl acetate copolymer vinyl acetate weight
It is 55% to measure percentage；
Modified composite shielding material and Insulation Material are extruded in outside stranded conductor successively using double-layer coextrusion extruding machine, modified combined screen
The temperature that extrudes for covering material is 160 DEG C -175 DEG C, and it is 3MPa-8MPa to extrude pressure；The temperature that extrudes of Insulation Material is 150 DEG C -170
DEG C, it is 5-8MPa to extrude pressure；Modified composite shielding layer and insulating layer are formed, the modified composite shielding cable is finally made.
5. preparation method according to claim 4, which is characterized in that 60 DEG C of volume resistivities of the modified composite shielding layer
For 350 Ω cm, 90 DEG C of volume resistivities are 750 Ω cm, and 110 DEG C of volume resistivities are 1300 Ω cm, 130 DEG C of volume electricity
Resistance rate is 825 Ω cm.
6. preparation method according to claim 4, which is characterized in that the tensile strength of the modified composite shielding layer is more than
15MPa, elongation at break are more than 220%, impact brittle temperature and are less than -55 DEG C.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810394328.4A CN108676225A (en) | 2018-04-27 | 2018-04-27 | A kind of modified composite shielding cable and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810394328.4A CN108676225A (en) | 2018-04-27 | 2018-04-27 | A kind of modified composite shielding cable and preparation method thereof |
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| CN201810394328.4A Pending CN108676225A (en) | 2018-04-27 | 2018-04-27 | A kind of modified composite shielding cable and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110105687A (en) * | 2019-04-03 | 2019-08-09 | 上海新益电力线路器材有限公司 | Weather-proof aerial cable and preparation method thereof is blended in protective cover material, modified polyvinyl chloride alkenyl |
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|---|---|---|---|---|
| CN102731891A (en) * | 2012-06-20 | 2012-10-17 | 苏州德尔泰高聚物有限公司 | Thermoplastic oil-resistant halogen-free low-smoke flame-retardant polyolefin cable material and preparation method thereof |
| CN105504478A (en) * | 2016-01-18 | 2016-04-20 | 海门市启新塑业有限公司 | Low-smoke halogen-free flame-resistant cable material |
| CN107082990A (en) * | 2017-06-13 | 2017-08-22 | 上海新益电力线路器材有限公司 | A kind of composite modified polyvinyl chloride insulated electric conductor and preparation method thereof |
-
2018
- 2018-04-27 CN CN201810394328.4A patent/CN108676225A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102731891A (en) * | 2012-06-20 | 2012-10-17 | 苏州德尔泰高聚物有限公司 | Thermoplastic oil-resistant halogen-free low-smoke flame-retardant polyolefin cable material and preparation method thereof |
| CN105504478A (en) * | 2016-01-18 | 2016-04-20 | 海门市启新塑业有限公司 | Low-smoke halogen-free flame-resistant cable material |
| CN107082990A (en) * | 2017-06-13 | 2017-08-22 | 上海新益电力线路器材有限公司 | A kind of composite modified polyvinyl chloride insulated electric conductor and preparation method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110105687A (en) * | 2019-04-03 | 2019-08-09 | 上海新益电力线路器材有限公司 | Weather-proof aerial cable and preparation method thereof is blended in protective cover material, modified polyvinyl chloride alkenyl |
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Application publication date: 20181019 |