CN111363229A - High-voltage rubber cable insulation semi-conductive shielding material - Google Patents
High-voltage rubber cable insulation semi-conductive shielding material Download PDFInfo
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- CN111363229A CN111363229A CN202010173077.4A CN202010173077A CN111363229A CN 111363229 A CN111363229 A CN 111363229A CN 202010173077 A CN202010173077 A CN 202010173077A CN 111363229 A CN111363229 A CN 111363229A
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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
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- 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
- C08K2003/2296—Oxides; Hydroxides of metals of zinc
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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
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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
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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
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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Abstract
The invention discloses an insulating semiconductive shielding material for a high-voltage rubber cable, relates to the technical field of semiconductive shielding materials, and aims to solve the problem that an insulating layer is easy to break down due to the fact that the existing insulating semiconductive shielding material for the high-voltage rubber cable does not have good conductivity. The raw materials comprise the following components in parts by weight: 60-120 parts of ethylene-vinyl acetate copolymer, 20-30 parts of polyethylene resin, 20-25 parts of rubber, 25-55 parts of conductive carbon black, 10-15 parts of graphene, 3-7 parts of zinc oxide, 2-6 parts of a cross-linking agent, 4-8 parts of an antioxidant, 4-7 parts of a plasticizer, 10-15 parts of a lubricant and 5-10 parts of a dispersing agent.
Description
Technical Field
The invention relates to the technical field of semiconductive shielding materials, in particular to an insulating semiconductive shielding material for a high-voltage rubber cable.
Background
The core problem restricting the transmission of high-voltage cable is the defect of cable insulation layer, the interface characteristic of insulation shielding layer and the conductivity of shielding material, wherein the surface smoothness characteristic and the conductivity characteristic of shielding material are the key performance of causing the local electric field stress concentration of cable to cause insulation breakdown, the semi-conductive shielding material for high-voltage or ultra-high voltage cross-linked polyethylene insulation power cable with the voltage class of 110kv and above is required to balance high electric field and keep the voltage stable because the working environment is in high voltage and high current, which requires the smoothness of the surface formed by the shielding material and the insulation surface to achieve ultra-smooth effect, namely, the number of particles larger than 25nm in each unit cm2 can not be larger than 2. Because the semi-conductive shielding material is one of the components which must be adopted by the medium-high voltage cable, and in order to adapt to the current higher market demand of the cross-linked cable, higher requirements are put forward on the continuous processing capacity of the semi-conductive shielding material.
However, the existing insulating semiconductive shielding material for the high-voltage rubber cable does not have good conductivity, so that an insulating layer is easy to break down; therefore, the existing requirements are not met, and the insulating and semiconducting shielding material for the high-voltage rubber cable is provided.
Disclosure of Invention
The invention aims to provide an insulating and semiconducting shielding material for a high-voltage rubber cable, which aims to solve the problem that an insulating layer is easy to break down due to the fact that the existing insulating and semiconducting shielding material for the high-voltage rubber cable, which is provided in the background art, does not have good conducting performance.
In order to achieve the purpose, the invention provides the following technical scheme: the insulating and semi-conductive shielding material for the high-voltage rubber cable comprises the following components in parts by weight:
60-120 parts of ethylene-vinyl acetate copolymer
20-30 parts of polyethylene resin
20-25 parts of rubber
25-55 parts of conductive carbon black
10-15 parts of graphene
3-7 parts of zinc oxide
2-6 parts of cross-linking agent
4-8 parts of antioxidant
4-7 parts of plasticizer
10-15 parts of lubricant
5-10 parts of a dispersing agent.
Preferably, the raw materials comprise the following components in parts by weight:
80-100 parts of ethylene-vinyl acetate copolymer
22-28 parts of polyethylene resin
22-24 parts of rubber
35-45 parts of conductive carbon black
12-14 parts of graphene
4-6 parts of zinc oxide
3-5 parts of cross-linking agent
5-7 parts of antioxidant
5-6 parts of plasticizer
6-8 parts of a dispersing agent.
Preferably, the raw materials comprise the following components in parts by weight:
ethylene-vinyl acetate copolymer 90 parts
25 parts of polyethylene resin
23 parts of rubber
40 parts of conductive carbon black
13 parts of graphene
5 portions of zinc oxide
4 portions of cross-linking agent
6 portions of antioxidant
Plasticizer 5.5 parts
7 parts of a dispersing agent.
Preferably, the lubricant consists of the following components in parts by weight:
5-10 parts of pine oil
1-3 parts of polyethylene wax.
Preferably, the lubricant consists of the following components in parts by weight:
pine oil 7 parts
And 2 parts of polyethylene wax.
Preferably, the polyethylene resin is an ethylene-butyl acrylate-carbonyl copolymer.
Preferably, the plasticizer is dioctyl phthalate.
Preferably, the antioxidant is hindered phenol bisphenol A.
Preferably, the crosslinking agent is dicumyl peroxide.
Preferably, the dispersant is benzoyl peroxide.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, the graphene is added, the consumption of the conductive carbon black is less, the conductivity and the surface smoothness of the shielding material are improved, the extrusion performance is good, the thermal stability is more excellent, the carbon material is uniformly distributed, the insulating property is good, the power transmission safety is improved, the service life is prolonged, the manufacturing cost is low, the process is not complex, the production process of the shielding material has less pollution to the environment, the produced shielding layer is easy to strip, and the cable is convenient to recycle.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments.
Example 1
The insulating semiconductive shielding material for the high-voltage rubber cable comprises the following raw materials in parts by weight:
50 parts of ethylene-vinyl acetate copolymer, 15 parts of polyethylene resin, 18 parts of rubber, 20 parts of conductive carbon black, 10 parts of graphene, 3 parts of zinc oxide, 6 parts of cross-linking agent, 7 parts of antioxidant, 6 parts of plasticizer, 10 parts of lubricant and 6 parts of dispersant.
Further, a preparation method of the high-voltage rubber cable insulation semi-conductive shielding material comprises the following specific steps:
step 1: weighing the raw materials according to a formula, mixing the rubber, the conductive carbon black, the graphene, the zinc oxide and the antioxidant, and then adding the mixture into an internal mixer for banburying at the temperature of 160 ℃;
step 2: mixing the substance obtained after banburying with polyethylene resin, ethylene-vinyl acetate copolymer, plasticizer, lubricant and dispersant, and feeding into a kneader at the temperature of 20 ℃;
step 3: adding the mixture into a double-screw extruder for extrusion granulation, and uniformly dividing the heating temperature of each section of the double-screw extruder from 90 to 125 ℃ according to the number of the heating sections to obtain a semi-finished product;
and 4, step 4: weighing a cross-linking agent according to a formula, adding the cross-linking agent into the semi-finished product prepared in the step two, stirring, discharging and cooling to room temperature after the cross-linking agent is completely absorbed, so as to obtain the required high-voltage rubber cable insulation semi-conductive shielding material;
and 5: separating the shielding material from water by using a centrifugal dehydrator, and drying trace water attached to the surface of the shielding material;
step 6: and (3) after drying, feeding the shielding material into a spray tower, wherein the temperature of the spray tower is 40 ℃, carrying out infiltration treatment, packaging with aluminum and plastic to obtain a finished product, and then warehousing.
Example 2
The insulating semiconductive shielding material for the high-voltage rubber cable comprises the following raw materials in parts by weight:
100 parts of ethylene-vinyl acetate copolymer, 30 parts of polyethylene resin, 25 parts of rubber, 50 parts of conductive carbon black, 15 parts of graphene, 7 parts of zinc oxide, 6 parts of cross-linking agent, 8 parts of antioxidant, 6 parts of plasticizer, 15 parts of lubricant and 9 parts of dispersant.
Further, a preparation method of the high-voltage rubber cable insulation semi-conductive shielding material comprises the following specific steps:
step 1: weighing the raw materials according to a formula, mixing the rubber, the conductive carbon black, the graphene, the zinc oxide and the antioxidant, and then adding the mixture into an internal mixer for banburying at the temperature of 160 ℃;
step 2: mixing the substance obtained after banburying with polyethylene resin, ethylene-vinyl acetate copolymer, plasticizer, lubricant and dispersant, and feeding into a kneader at the temperature of 20 ℃;
step 3: adding the mixture into a double-screw extruder for extrusion granulation, and uniformly dividing the heating temperature of each section of the double-screw extruder from 90 to 125 ℃ according to the number of the heating sections to obtain a semi-finished product;
and 4, step 4: weighing a cross-linking agent according to a formula, adding the cross-linking agent into the semi-finished product prepared in the step two, stirring, discharging and cooling to room temperature after the cross-linking agent is completely absorbed, so as to obtain the required high-voltage rubber cable insulation semi-conductive shielding material;
and 5: separating the shielding material from water by using a centrifugal dehydrator, and drying trace water attached to the surface of the shielding material;
step 6: and (3) after drying, feeding the shielding material into a spray tower, wherein the temperature of the spray tower is 40 ℃, carrying out infiltration treatment, packaging with aluminum and plastic to obtain a finished product, and then warehousing.
Example 3
The insulating semiconductive shielding material for the high-voltage rubber cable comprises the following raw materials in parts by weight:
80 parts of ethylene-vinyl acetate copolymer, 25 parts of polyethylene resin, 24 parts of rubber, 35 parts of conductive carbon black, 14 parts of graphene, 5 parts of zinc oxide, 5 parts of a cross-linking agent, 7 parts of an antioxidant, 5 parts of a plasticizer, 12 parts of a lubricant and 7 parts of a dispersing agent.
Further, a preparation method of the high-voltage rubber cable insulation semi-conductive shielding material comprises the following specific steps:
step 1: weighing the raw materials according to a formula, mixing the rubber, the conductive carbon black, the graphene, the zinc oxide and the antioxidant, and then adding the mixture into an internal mixer for banburying at the temperature of 160 ℃;
step 2: mixing the substance obtained after banburying with polyethylene resin, ethylene-vinyl acetate copolymer, plasticizer, lubricant and dispersant, and feeding into a kneader at the temperature of 20 ℃;
step 3: adding the mixture into a double-screw extruder for extrusion granulation, and uniformly dividing the heating temperature of each section of the double-screw extruder from 90 to 125 ℃ according to the number of the heating sections to obtain a semi-finished product;
and 4, step 4: weighing a cross-linking agent according to a formula, adding the cross-linking agent into the semi-finished product prepared in the step two, stirring, discharging and cooling to room temperature after the cross-linking agent is completely absorbed, so as to obtain the required high-voltage rubber cable insulation semi-conductive shielding material;
and 5: separating the shielding material from water by using a centrifugal dehydrator, and drying trace water attached to the surface of the shielding material;
step 6: and (3) after drying, feeding the shielding material into a spray tower, wherein the temperature of the spray tower is 40 ℃, carrying out infiltration treatment, packaging with aluminum and plastic to obtain a finished product, and then warehousing.
Example 4
The insulating semiconductive shielding material for the high-voltage rubber cable comprises the following raw materials in parts by weight:
70 parts of ethylene-vinyl acetate copolymer, 23 parts of polyethylene resin, 22 parts of rubber, 30 parts of conductive carbon black, 12 parts of graphene, 4 parts of zinc oxide, 4 parts of a cross-linking agent, 6 parts of an antioxidant, 5 parts of a plasticizer, 11 parts of a lubricant and 7 parts of a dispersing agent.
Further, a preparation method of the high-voltage rubber cable insulation semi-conductive shielding material comprises the following specific steps:
step 1: weighing the raw materials according to a formula, mixing the rubber, the conductive carbon black, the graphene, the zinc oxide and the antioxidant, and then adding the mixture into an internal mixer for banburying at the temperature of 160 ℃;
step 2: mixing the substance obtained after banburying with polyethylene resin, ethylene-vinyl acetate copolymer, plasticizer, lubricant and dispersant, and feeding into a kneader at the temperature of 20 ℃;
step 3: adding the mixture into a double-screw extruder for extrusion granulation, and uniformly dividing the heating temperature of each section of the double-screw extruder from 90 to 125 ℃ according to the number of the heating sections to obtain a semi-finished product;
and 4, step 4: weighing a cross-linking agent according to a formula, adding the cross-linking agent into the semi-finished product prepared in the step two, stirring, discharging and cooling to room temperature after the cross-linking agent is completely absorbed, so as to obtain the required high-voltage rubber cable insulation semi-conductive shielding material;
and 5: separating the shielding material from water by using a centrifugal dehydrator, and drying trace water attached to the surface of the shielding material;
step 6: and (3) after drying, feeding the shielding material into a spray tower, wherein the temperature of the spray tower is 40 ℃, carrying out infiltration treatment, packaging with aluminum and plastic to obtain a finished product, and then warehousing.
The results of the performance testing of examples 1-4 are shown in the following table:
| item | Standard of merit | Example 1 | Example 2 | Example 3 | Example 4 |
| Tensile strength Mpa | ≥12.0 | 18.8 | 20.5 | 19.8 | 19.3 |
| Elongation at break% | ≥200 | 224 | 319 | 277 | 251 |
| Impact embrittlement properties DEG C | -40 | -40 | -40 | -40 | |
| Volume resistivity at 20 DEG C | ≤100 | 46 | 49 | 48 | 47 |
| Volume resistivity at 90 DEG C | ≤1000 | 320 | 460 | 390 | 370 |
| Percent change in tensile Strength% | ±30 | 12 | 13 | 12 | 11 |
| Percentage change in elongation at Break% | ±30 | 16 | 15 | 13 | 14 |
As can be seen from the table, the product prepared by the invention has excellent performances of tensile strength, elongation at break and the like, has good conductivity, low volume resistivity and good extrusion performance, and meets the requirements of national standards.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Claims (10)
1. The insulating and semi-conductive shielding material for the high-voltage rubber cable is characterized by comprising the following components in parts by weight:
60-120 parts of ethylene-vinyl acetate copolymer
20-30 parts of polyethylene resin
20-25 parts of rubber
25-55 parts of conductive carbon black
10-15 parts of graphene
3-7 parts of zinc oxide
2-6 parts of cross-linking agent
4-8 parts of antioxidant
4-7 parts of plasticizer
10-15 parts of lubricant
5-10 parts of a dispersing agent.
2. The insulating and semiconducting shielding material for the high-voltage rubber cable according to claim 1, wherein the raw material comprises the following components in parts by weight:
80-100 parts of ethylene-vinyl acetate copolymer
22-28 parts of polyethylene resin
22-24 parts of rubber
35-45 parts of conductive carbon black
12-14 parts of graphene
4-6 parts of zinc oxide
3-5 parts of cross-linking agent
5-7 parts of antioxidant
5-6 parts of plasticizer
6-8 parts of a dispersing agent.
3. The insulating and semiconducting shielding material for the high-voltage rubber cable according to claim 2, wherein the raw material comprises the following components in parts by weight:
ethylene-vinyl acetate copolymer 90 parts
25 parts of polyethylene resin
23 parts of rubber
40 parts of conductive carbon black
13 parts of graphene
5 portions of zinc oxide
4 portions of cross-linking agent
6 portions of antioxidant
Plasticizer 5.5 parts
7 parts of a dispersing agent.
4. The insulating and semiconducting shielding material for the high-voltage rubber cable according to claim 1, characterized in that: the lubricant comprises the following components in parts by weight:
5-10 parts of pine oil
1-3 parts of polyethylene wax.
5. The insulating and semiconducting shielding material for the high-voltage rubber cable according to claim 4, characterized in that: the lubricant comprises the following components in parts by weight:
pine oil 7 parts
And 2 parts of polyethylene wax.
6. The insulating and semiconducting shielding material for the high-voltage rubber cable according to claim 1, characterized in that: the polyethylene resin is an ethylene-butyl acrylate-carbonyl copolymer.
7. The insulating and semiconducting shielding material for the high-voltage rubber cable according to claim 1, characterized in that: the plasticizer is dioctyl phthalate.
8. The insulating and semiconducting shielding material for the high-voltage rubber cable according to claim 1, characterized in that: the antioxidant is hindered phenol bisphenol A.
9. The insulating and semiconducting shielding material for the high-voltage rubber cable according to claim 1, characterized in that: the cross-linking agent is dicumyl peroxide.
10. The insulating and semiconducting shielding material for the high-voltage rubber cable according to claim 1, characterized in that: the dispersing agent is benzoyl peroxide.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010173077.4A CN111363229A (en) | 2020-03-13 | 2020-03-13 | High-voltage rubber cable insulation semi-conductive shielding material |
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| CN202010173077.4A CN111363229A (en) | 2020-03-13 | 2020-03-13 | High-voltage rubber cable insulation semi-conductive shielding material |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114409996A (en) * | 2022-03-10 | 2022-04-29 | 江苏双鑫新材料有限公司 | Submarine cable shielding material with heat dissipation function 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 |
| CN115627024A (en) * | 2022-09-27 | 2023-01-20 | 上海驰程化工工贸有限公司 | High-temperature strippable insulation shielding material, and preparation method and application thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107266829A (en) * | 2017-08-04 | 2017-10-20 | 苏州亨利通信材料有限公司 | A kind of charging pile cable polyvinyl chloride elastomer cable material and preparation method thereof |
| CN109206731A (en) * | 2018-08-27 | 2019-01-15 | 芜湖市元奎新材料科技有限公司 | A kind of power cable shielding material of containing graphene and preparation method thereof |
-
2020
- 2020-03-13 CN CN202010173077.4A patent/CN111363229A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107266829A (en) * | 2017-08-04 | 2017-10-20 | 苏州亨利通信材料有限公司 | A kind of charging pile cable polyvinyl chloride elastomer cable material and preparation method thereof |
| CN109206731A (en) * | 2018-08-27 | 2019-01-15 | 芜湖市元奎新材料科技有限公司 | A kind of power cable shielding material of containing graphene and preparation method thereof |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114409996A (en) * | 2022-03-10 | 2022-04-29 | 江苏双鑫新材料有限公司 | Submarine cable shielding material with heat dissipation function 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 |
| CN115627024A (en) * | 2022-09-27 | 2023-01-20 | 上海驰程化工工贸有限公司 | High-temperature strippable insulation shielding material, and preparation method and application thereof |
| CN115627024B (en) * | 2022-09-27 | 2023-09-05 | 上海驰程化工工贸有限公司 | High-temperature strippable insulation shielding material, and preparation method and application thereof |
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