CN108997643A - Strippable semi-conductive shielding material for insulation of cross-linked cable - Google Patents
Strippable semi-conductive shielding material for insulation of cross-linked cable Download PDFInfo
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- CN108997643A CN108997643A CN201710423509.0A CN201710423509A CN108997643A CN 108997643 A CN108997643 A CN 108997643A CN 201710423509 A CN201710423509 A CN 201710423509A CN 108997643 A CN108997643 A CN 108997643A
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- shielding 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
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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
-
- 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
- C08K2003/2217—Oxides; Hydroxides of metals of magnesium
- C08K2003/222—Magnesia, i.e. magnesium oxide
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/001—Conductive additives
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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
-
- 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
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- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses strippable semi-conductive shielding material for insulation of cross-linked cable, in parts by weight, the composition of raw materials of the strippable semi-conductive shielding material for insulation of cross-linked cable is as follows: 50-70 parts of unsaturated lipid copolymer, 30-50 parts of soft polymer, 40-50 parts of conductive black, 1-5 parts of antioxidant, 1-10 parts of swelling agent, 1-5 parts of crosslinking agent, 4-8 parts of white oil, 5-10 parts of metal oxide, 10-20 parts of dispersing agent, 1-5 parts of assistant crosslinking agent, by using above-mentioned technical proposal, strippable semi-conductive shielding material for insulation of cross-linked cable of the invention has extrusion processability good, bonding appropriateness, easily peelable advantage.
Description
Technical field
The invention belongs to cable production material field more particularly to strippable semi-conductive shielding material for insulation of cross-linked cable.
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 strippable semi-conductive shielding material for insulation of cross-linked cable.
Technical solution: strippable semi-conductive shielding material for insulation of cross-linked cable, in parts by weight, the cross-linked cable insulating
It is as follows with the composition of raw materials of strippable semi-conductive shielding material: 50-70 parts of unsaturated lipid copolymer, 30-50 parts of soft polymer, to lead
Electric carbon black 40-50 parts, 1-5 parts of antioxidant, 1-10 parts of swelling agent, 1-5 parts of crosslinking agent, 4-8 parts of white oil, metal oxide 5-10
Part, 10-20 parts of dispersing agent, 1-5 parts of assistant crosslinking agent.
Strippable semi-conductive shielding material for insulation of cross-linked cable the preparation method is as follows:
(1), raw material type and quantity are verified by recipe ingredient；
(2), starting mixing electromechanical source is preheated, and sets 130 DEG C of smelting temperature；
(3), pre-operation electric current 160A is adjusted, and sets 8~11 minutes mixing times；
(4), first the copolymer of ethylene and vinyl acetate, haloflex are weighed in parts by weight put into respectively it is close
Mill is plasticated 10 minutes, cooling；
(5), the copolymer of ethylene after cooling and vinyl acetate, haloflex open mill is put into respectively again to carry out
Supplement molding of plasticating；
(6), antioxidant, white oil, metal oxide and dispersing agent are uniformly mixed and are plasticated molding by above-mentioned parts by weight
Ethylene afterwards puts into mixer mixing together with the copolymer of vinyl acetate and haloflex, and wherein conductive black point is all criticized
Secondary investment, entire mixing time control is 15 minutes；
(7), swelling agent is launched before mixing discharging, then after extruder extruding pelletization, by crosslinking agent, assistant crosslinking agent and led to
Cross the addition of imbibition method；
Preferably, the metal oxide is magnesia.
Preferably, the swelling agent is zinc stearate.
Preferably, the crosslinking agent is cumyl peroxide.
Preferably, the unsaturated lipid copolymer is the ethylene of arbitrary proportion mixing and the copolymer of vinyl acetate.
Preferably, the soft polymer is haloflex.
The utility model has the advantages that by using above-mentioned technical proposal, cross-linked cable insulating strippable semi-conductive shielding of the invention
Material has the advantages that extrusion processability energy is good, bonding is appropriate, easily peelable.
Specific embodiment
The embodiment of the present invention is described in detail below.
Strippable semi-conductive shielding material for insulation of cross-linked cable, in parts by weight, the cross-linked cable insulating is with peelable
The composition of raw materials of semiconductive shieldin material is as follows: 50-70 parts of unsaturated lipid copolymer, 30-50 parts of soft polymer, and conductive black
40-50 parts, 1-5 parts of antioxidant, 1-10 parts of swelling agent, 1-5 parts of crosslinking agent, 4-8 parts of white oil, 5-10 parts of metal oxide, dispersion
10-20 parts of agent, 1-5 parts of assistant crosslinking agent.
The preparation method of strippable semi-conductive shielding material for insulation of cross-linked cable, comprising the following specific steps
(1), raw material type and quantity are verified by recipe ingredient；
(2), starting mixing electromechanical source is preheated, and sets 130 DEG C of smelting temperature；
(3), pre-operation electric current 160A is adjusted, and sets 8~11 minutes mixing times；
(4), first the copolymer of ethylene and vinyl acetate, haloflex are weighed in parts by weight put into respectively it is close
Mill is plasticated 10 minutes, cooling；
(5), the copolymer of ethylene after cooling and vinyl acetate, haloflex open mill is put into respectively again to carry out
Supplement molding of plasticating；
(6), antioxidant, white oil, metal oxide and dispersing agent are uniformly mixed and are plasticated molding by above-mentioned parts by weight
Ethylene afterwards puts into mixer mixing together with the copolymer of vinyl acetate and haloflex, and wherein conductive black point is all criticized
Secondary investment, entire mixing time control is 15 minutes；
(7), swelling agent is launched before mixing discharging, then after extruder extruding pelletization, by crosslinking agent, assistant crosslinking agent and led to
Cross the addition of imbibition method；
In specific embodiment, the metal oxide is magnesia.
The swelling agent is zinc stearate.
The crosslinking agent is cumyl peroxide.
The unsaturated lipid copolymer is the ethylene of arbitrary proportion mixing and the copolymer of vinyl acetate.
The soft polymer is haloflex.
Embodiment 1: strippable semi-conductive shielding material for insulation of cross-linked cable, in parts by weight, the cross-linked cable insulating
It is as follows with the composition of raw materials of strippable semi-conductive shielding material: 50 parts of unsaturated lipid copolymer, 30 parts of soft polymer, conductive black
40 parts, 1 part of antioxidant, 1 part of swelling agent, 1 part of crosslinking agent, 4 parts of white oil, 5 parts of metal oxide, 10 parts of dispersing agent, assistant crosslinking agent 1
Part
Embodiment 2: strippable semi-conductive shielding material for insulation of cross-linked cable, in parts by weight, the cross-linked cable insulating
It is as follows with the composition of raw materials of strippable semi-conductive shielding material: 70 parts of unsaturated lipid copolymer, 50 parts of soft polymer, conductive black
50 parts, 5 parts of antioxidant, 10 parts of swelling agent, 5 parts of crosslinking agent, 8 parts of white oil, 20 parts of dispersing agent, help crosslinking by 10 parts of metal oxide
5 parts of agent.
Embodiment 3: strippable semi-conductive shielding material for insulation of cross-linked cable, in parts by weight, the cross-linked cable insulating
It is as follows with the composition of raw materials of strippable semi-conductive shielding material: 60 parts of unsaturated lipid copolymer, 40 parts of soft polymer, conductive black
45 parts, 3 parts of antioxidant, 7 parts of swelling agent, 3 parts of crosslinking agent, 6 parts of white oil, 8 parts of metal oxide, 15 parts of dispersing agent, assistant crosslinking agent 3
Part.
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 (7)
1. strippable semi-conductive shielding material for insulation of cross-linked cable, it is characterised in that: in parts by weight, the cross-linked cable insulating
It is as follows with the composition of raw materials of strippable semi-conductive shielding material: 50-70 parts of unsaturated lipid copolymer, 30-50 parts of soft polymer, to lead
Electric carbon black 40-50 parts, 1-5 parts of antioxidant, 1-10 parts of swelling agent, 1-5 parts of crosslinking agent, 4-8 parts of white oil, metal oxide 5-10
Part, 10-20 parts of dispersing agent, 1-5 parts of assistant crosslinking agent.
2. the preparation method of strippable semi-conductive shielding material for insulation of cross-linked cable according to claim 1, feature exist
In, comprising the following specific steps
(1), raw material type and quantity are verified by recipe ingredient；
(2), starting mixing electromechanical source is preheated, and sets 130 DEG C of smelting temperature；
(3), pre-operation electric current 160A is adjusted, and sets 8~11 minutes mixing times；
(4), first the copolymer of ethylene and vinyl acetate, haloflex are weighed in parts by weight and puts into mixer respectively
It plasticates 10 minutes, it is cooling；
(5), the copolymer of ethylene after cooling and vinyl acetate, haloflex open mill is put into respectively again to supplement
It plasticates molding；
(6), antioxidant, white oil, metal oxide are uniformly mixed and is plasticated by above-mentioned parts by weight with dispersing agent and is after molding
Ethylene puts into mixer mixing together with the copolymer of vinyl acetate and haloflex, and wherein conductive black point all batches are thrown
Enter, entire mixing time control is 15 minutes；
(7), dispensing swelling agent by crosslinking agent, assistant crosslinking agent and passes through infiltration then after extruder extruding pelletization before being kneaded discharging
Suction method is added.
3. strippable semi-conductive shielding material for insulation of cross-linked cable according to claim 1, which is characterized in that the metal
Oxide is magnesia.
4. strippable semi-conductive shielding material for insulation of cross-linked cable according to claim 1, which is characterized in that the expansion
Agent is zinc stearate.
5. strippable semi-conductive shielding material for insulation of cross-linked cable according to claim 1, which is characterized in that the crosslinking
Agent is cumyl peroxide.
6. strippable semi-conductive shielding material for insulation of cross-linked cable according to claim 1, which is characterized in that the insatiable hunger
With the copolymer of ethylene and vinyl acetate that resin copolymer is arbitrary proportion mixing.
7. strippable semi-conductive shielding material for insulation of cross-linked cable according to claim 1, which is characterized in that described soft
Polymer is haloflex.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710423509.0A CN108997643A (en) | 2017-06-07 | 2017-06-07 | Strippable semi-conductive shielding material for insulation of cross-linked cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710423509.0A CN108997643A (en) | 2017-06-07 | 2017-06-07 | Strippable semi-conductive shielding material for insulation of cross-linked cable |
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| Publication Number | Publication Date |
|---|---|
| CN108997643A true CN108997643A (en) | 2018-12-14 |
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ID=64573111
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710423509.0A Pending CN108997643A (en) | 2017-06-07 | 2017-06-07 | Strippable semi-conductive shielding material for insulation of cross-linked cable |
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| CN (1) | CN108997643A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110128972A (en) * | 2019-04-20 | 2019-08-16 | 高邮市金国电缆材料厂有限公司 | A kind of conductor thermoplastics type's semiconductive shieldin material and preparation method thereof |
| CN110607023A (en) * | 2019-10-30 | 2019-12-24 | 浙江远东电缆集团有限公司 | Insulating shielding layer rubber material for cable and manufacturing method thereof |
| CN115627025A (en) * | 2022-11-10 | 2023-01-20 | 南京中超新材料股份有限公司 | Strippable semi-conductive shielding material and preparation method thereof |
-
2017
- 2017-06-07 CN CN201710423509.0A patent/CN108997643A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110128972A (en) * | 2019-04-20 | 2019-08-16 | 高邮市金国电缆材料厂有限公司 | A kind of conductor thermoplastics type's semiconductive shieldin material and preparation method thereof |
| CN110607023A (en) * | 2019-10-30 | 2019-12-24 | 浙江远东电缆集团有限公司 | Insulating shielding layer rubber material for cable and manufacturing method thereof |
| CN115627025A (en) * | 2022-11-10 | 2023-01-20 | 南京中超新材料股份有限公司 | Strippable semi-conductive shielding material and preparation method thereof |
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| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20181214 |
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| WD01 | Invention patent application deemed withdrawn after publication |