CN108997641A - Peroxide crosslinked type semi-conductive screen material for crosslinked cable conductor - Google Patents
Peroxide crosslinked type semi-conductive screen material for crosslinked cable conductor Download PDFInfo
- Publication number
- CN108997641A CN108997641A CN201710417543.7A CN201710417543A CN108997641A CN 108997641 A CN108997641 A CN 108997641A CN 201710417543 A CN201710417543 A CN 201710417543A CN 108997641 A CN108997641 A CN 108997641A
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- China
- Prior art keywords
- crosslinked
- peroxide
- cable conductor
- conductive
- screen material
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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
- C08L23/08—Copolymers of ethene
- C08L23/0846—Copolymers of ethene with unsaturated hydrocarbons containing other atoms than carbon or hydrogen atoms
- C08L23/0853—Vinylacetate
-
- 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
- C08K2201/001—Conductive additives
-
- 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
-
- 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
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2312/00—Crosslinking
Abstract
The invention discloses peroxide crosslinked type semi-conductive screen material for crosslinked cable conductor, in parts by weight, the composition of raw materials of the peroxide crosslinked type semi-conductive screen material for crosslinked cable conductor is as follows: ethylene-vinyl acetate copolymer 50-60, ethylene propylene diene rubber 20-30, conductive black 30-40, crosslinking agent 1-3, dioctyl terephthalate 12-15, two formyl 4-6 of peroxidating, plasticizer 10-20, fire retardant 1-5, antioxidant 5-10 and stabilizer 2-10, cable of the invention uses ethylene-vinyl acetate copolymer for primary raw material with semi-conductive shielding material, tensile strength and tear resistance are good, it joined peroxide cross-linking agent simultaneously, reduce the incipient scorch phenomenon of cable in use, improve safety and reliability.
Description
Technical field
The invention belongs to cable production material field more particularly to crosslinked cable conductor peroxide cross-linking type semiconductives
Shielding material.
Background technique
High voltage direct current cable route because its transmission capacity is big, low cost, loss are small, high reliablity, the features such as in long service life due to
Using more and more extensive.With the fast development of electrical engineering and electronic technology, flexible conductive polymer has wide application
Prospect.In certain application aspect, the multifunctional polymer based composites of high dielectric constant and high conductivity increasingly by
To extensive concern.Wherein, polyethylene (PE) is best one of the insulating materials of high-voltage dc transmission field of power distribution.
The Cross-linkable semiconductive inner shield CABLE MATERIALS of traditional high-voltage cross-linking polythene cable does not adapt to mesh
The quality and performance requirement of preceding cable, the additive for needing to be added various reinforcement cable strengths and performance just adapt to current society
It can be to the quality requirement of cable or cable.
Summary of the invention
Goal of the invention: present invention seek to address that above-mentioned problem, proposes that crosslinked cable conductor is partly led with peroxide cross-linking type
Electrical shielding material.
Technical solution: peroxide crosslinked type semi-conductive screen material for crosslinked cable conductor, in parts by weight, the crosslinking
Cable conductor is as follows with the composition of raw materials of peroxide cross-linking type semiconductive shieldin material: ethylene-vinyl acetate copolymer 50-60,
Ethylene propylene diene rubber 20-30, conductive black 30-40, crosslinking agent 1-3, dioctyl terephthalate 12-15, two formyl of peroxidating
4-6, plasticizer 10-20, fire retardant 1-5, antioxidant 5-10 and stabilizer 2-10.
Peroxide crosslinked type semi-conductive screen material for crosslinked cable conductor the preparation method is as follows:
(1), pretreatment of raw material: being heated to 30 DEG C~40 DEG C for high-speed mixer, by the conductive black, fire retardant and
Antioxidant pours into high-speed mixer together, and stabilizer is added in the case where being 400~475 revs/min in low whipping speed, stirs
It mixes, crosslinking agent is then added, continue to be stirred until homogeneous；
(2), pass through automatic feeder for the ethylene-vinyl acetate copolymer, ethylene propylene diene rubber, terephthalic acid (TPA) two
Monooctyl ester, two formyl of peroxidating, plasticizer and the raw material by step (1) processing are added in two steps type mixing BUSS unit and squeeze
It is granulated out, is successively dehydrated, is dried to get the peroxide crosslinked type semi-conductive screen material for crosslinked cable conductor.
The plasticizer includes one of oil, paraffin, stearic acid, zinc stearate, polyethylene wax or a variety of mixing.
The conductive black is the mixture of 40B2 conductive black and superconductive carbon black 350G.
The stabilizer is the mixture of pentaerythrite, xylitol and mannitol.
The crosslinking agent is peroxide.
The utility model has the advantages that cable semi-conductive shielding material of the invention uses ethylene-vinyl acetate copolymer for main original
Material, tensile strength and tear resistance are good, while joined peroxide cross-linking agent, reduce the incipient scorch of cable in use
Phenomenon improves safety and reliability.
Specific embodiment
The embodiment of the present invention is described in detail below.
Peroxide crosslinked type semi-conductive screen material for crosslinked cable conductor, in parts by weight, the crosslinked cable conductor
Composition of raw materials with peroxide cross-linking type semiconductive shieldin material is as follows: ethylene-vinyl acetate copolymer 50-60, EPDM
Rubber 20-30, conductive black 30-40, crosslinking agent 1-3, dioctyl terephthalate 12-15, two formyl 4-6 of peroxidating, plasticising
Agent 10-20, fire retardant 1-5, antioxidant 5-10 and stabilizer 2-10.
Peroxide crosslinked type semi-conductive screen material for crosslinked cable conductor the preparation method is as follows:
(1), pretreatment of raw material: being heated to 30 DEG C~40 DEG C for high-speed mixer, by the conductive black, fire retardant and
Antioxidant pours into high-speed mixer together, and stabilizer is added in the case where being 400~475 revs/min in low whipping speed, stirs
It mixes, crosslinking agent is then added, continue to be stirred until homogeneous；
(2), pass through automatic feeder for the ethylene-vinyl acetate copolymer, ethylene propylene diene rubber, terephthalic acid (TPA) two
Monooctyl ester, two formyl of peroxidating, plasticizer and the raw material by step (1) processing are added in two steps type mixing BUSS unit and squeeze
It is granulated out, is successively dehydrated, is dried to get the peroxide crosslinked type semi-conductive screen material for crosslinked cable conductor.
Specifically, the plasticizer include one of oil, paraffin, stearic acid, zinc stearate, polyethylene wax or it is a variety of mix
It closes.
Specifically, the conductive black is the mixture of 40B2 conductive black and superconductive carbon black 350G.
Specifically, the stabilizer is the mixture of pentaerythrite, xylitol and mannitol.
Specifically, the crosslinking agent is peroxide.
Embodiment 1: peroxide crosslinked type semi-conductive screen material for crosslinked cable conductor, in parts by weight, the crosslinking
Cable conductor is as follows with the composition of raw materials of peroxide cross-linking type semiconductive shieldin material: ethylene-vinyl acetate copolymer 50, ternary
It is EP rubbers 20, conductive black 30, crosslinking agent 1, dioctyl terephthalate 12, two formyl 4 of peroxidating, plasticizer 10, fire-retardant
Agent 1, antioxidant 5 and stabilizer 2.
Embodiment 2: peroxide crosslinked type semi-conductive screen material for crosslinked cable conductor, in parts by weight, the crosslinking
Cable conductor is as follows with the composition of raw materials of peroxide cross-linking type semiconductive shieldin material: ethylene-vinyl acetate copolymer 60, ternary
It is EP rubbers 30, conductive black 40, crosslinking agent 3, dioctyl terephthalate 15, two formyl 6 of peroxidating, plasticizer 20, fire-retardant
Agent 5, antioxidant 10 and stabilizer 10.
Embodiment 3: peroxide crosslinked type semi-conductive screen material for crosslinked cable conductor, in parts by weight, the crosslinking
Cable conductor is as follows with the composition of raw materials of peroxide cross-linking type semiconductive shieldin material: ethylene-vinyl acetate copolymer 60, ternary
EP rubbers 30, conductive black 30, crosslinking agent 1, dioctyl terephthalate 12-15, two formyl 5 of peroxidating, plasticizer 15, resistance
Fire agent 3, antioxidant 8 and stabilizer 4.
Although the present invention is illustrated and has been described with regard to preferred embodiment, it is understood by those skilled in the art that
Without departing from scope defined by the claims of the present invention, variations and modifications can be carried out to the present invention.
Claims (6)
1. peroxide crosslinked type semi-conductive screen material for crosslinked cable conductor, it is characterised in that: in parts by weight, the crosslinking
Cable conductor is as follows with the composition of raw materials of peroxide cross-linking type semiconductive shieldin material: ethylene-vinyl acetate copolymer 50-60,
Ethylene propylene diene rubber 20-30, conductive black 30-40, crosslinking agent 1-3, dioctyl terephthalate 12-15, two formyl of peroxidating
4-6, plasticizer 10-20, fire retardant 1-5, antioxidant 5-10 and stabilizer 2-10.
2. the preparation method of peroxide crosslinked type semi-conductive screen material for crosslinked cable conductor according to claim 1,
It is characterised in that it includes step in detail below:
(1), pretreatment of raw material: high-speed mixer is heated to 30 DEG C~40 DEG C, by the conductive black, fire retardant and antioxygen
Agent is poured into high-speed mixer together, and stabilizer is added in the case where being 400~475 revs/min in low whipping speed, is stirred, so
After crosslinking agent is added, continue to be stirred until homogeneous；
(2), by automatic feeder that the ethylene-vinyl acetate copolymer, ethylene propylene diene rubber, terephthalic acid (TPA) two is pungent
Ester, two formyl of peroxidating, plasticizer and the raw material by step (1) processing are added in two steps type mixing BUSS unit and squeeze out
It is granulated, is successively dehydrated, is dried to get the peroxide crosslinked type semi-conductive screen material for crosslinked cable conductor.
3. peroxide crosslinked type semi-conductive screen material for crosslinked cable conductor according to claim 1, which is characterized in that
The plasticizer includes one of oil, paraffin, stearic acid, zinc stearate, polyethylene wax or a variety of mixing.
4. peroxide crosslinked type semi-conductive screen material for crosslinked cable conductor according to claim 1, which is characterized in that
The conductive black is the mixture of 40B2 conductive black and superconductive carbon black 350G.
5. peroxide crosslinked type semi-conductive screen material for crosslinked cable conductor according to claim 1, which is characterized in that
The stabilizer is the mixture of pentaerythrite, xylitol and mannitol.
6. peroxide crosslinked type semi-conductive screen material for crosslinked cable conductor according to claim 1, which is characterized in that
The crosslinking agent is peroxide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710417543.7A CN108997641A (en) | 2017-06-06 | 2017-06-06 | Peroxide crosslinked type semi-conductive screen material for crosslinked cable conductor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710417543.7A CN108997641A (en) | 2017-06-06 | 2017-06-06 | Peroxide crosslinked type semi-conductive screen material for crosslinked cable conductor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108997641A true CN108997641A (en) | 2018-12-14 |
Family
ID=64572962
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710417543.7A Pending CN108997641A (en) | 2017-06-06 | 2017-06-06 | Peroxide crosslinked type semi-conductive screen material for crosslinked cable conductor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108997641A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112940387A (en) * | 2021-02-03 | 2021-06-11 | 上海利物通化工科技有限公司 | Strippable semiconductive shielding rubber for rubber cable and preparation method thereof |
| CN114437451A (en) * | 2022-03-16 | 2022-05-06 | 浙江祥丰新材料科技有限公司 | Semiconductive EVA master batch for shielding and production method thereof |
-
2017
- 2017-06-06 CN CN201710417543.7A patent/CN108997641A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112940387A (en) * | 2021-02-03 | 2021-06-11 | 上海利物通化工科技有限公司 | Strippable semiconductive shielding rubber for rubber cable and preparation method thereof |
| CN112940387B (en) * | 2021-02-03 | 2023-01-06 | 上海利物通化工科技有限公司 | Strippable semiconductive shielding rubber for rubber cable and preparation method thereof |
| CN114437451A (en) * | 2022-03-16 | 2022-05-06 | 浙江祥丰新材料科技有限公司 | Semiconductive EVA master batch for shielding and production method thereof |
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| PB01 | Publication | ||
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Application publication date: 20181214 |