CN109206731A - A kind of power cable shielding material of containing graphene and preparation method thereof - Google Patents
A kind of power cable shielding material of containing graphene and preparation method thereof Download PDFInfo
- Publication number
- CN109206731A CN109206731A CN201810983538.7A CN201810983538A CN109206731A CN 109206731 A CN109206731 A CN 109206731A CN 201810983538 A CN201810983538 A CN 201810983538A CN 109206731 A CN109206731 A CN 109206731A
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- shielding material
- power cable
- cable shielding
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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
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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
-
- 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
Abstract
The present invention relates to power cable shielding materials of a kind of containing graphene and preparation method thereof, the power cable shielding material, in parts by weight, including 70-85 parts of EVA resin, 10-15 parts of EEA resin, 10-15 parts of conductive black, 1-2 parts of graphene, 2-3 parts of lubricant, 1-2 parts of crosslinking agent, 0.5-0.8 parts of composite antioxidant, the composite antioxidant, in parts by weight, including 300 85 parts of antioxidant, VE3 parts, 2 parts of guaiac resin, 10 parts of white carbon black.Shielding material of the invention has excellent mechanics, the antioxygenic property of electricity, thermal property, especially shielding material good, effectively raises the service life of product.
Description
Technical field
The present invention relates to power cable shielding materials of a kind of containing graphene and preparation method thereof, belong to cable material neck
Domain.
Background technique
With Chinese Urbanization, industrialization, informationization development, people are growing day by day to electricity needs.Power cable master
It is used for transmission and is distributed the cable of electric energy, is usually used in underground power grid, power station and the lead line of substation, submarine transmission
Line, industrial enterprise inside power supply circuit.Shielded layer play the role of in mesohigh electricity chicken it is vital, be conductor and absolutely
Edge layer provides one layer of smooth interface, reduces the concentration of the stress as caused by the conductor of surface raw sugar and breaks to cable insulation
It is bad.The quality of semiconductive shieldin material has been largely fixed the service life and safety of cable.It is researched and developed due to cable in China
It starts late, all has huge difference with international most advanced level in raw material level, industrial foundation and technical level.Cause
This, research and develop to the semiconductive shieldin material with excellent properties extremely urgent.Application publication number CN105131408A, invention name
Claim: a kind of graphene semiconductor shielding material is extremely made, by first preparing dispersion by graphene nanometer sheet and one vinyl acetate of ethylene
Uniform graphene nanometer sheet (GR) aqueous solution is added with stirring cruel (EVA) lotion of one vinyl acetate of ethylene, the two mixed flocculation
Afterwards, GR/EVA solid is obtained, GR/EVA rubber master batch is obtained with vacuum freeze drying after deionized water filtration and washing to neutrality, passes through double roller
Cylinder open mill is sufficiently mixed, and is formed on vulcanizing press after adding vulcanizing agent to handle, and graphene semiconductor shielding material is obtained.The hair
Bright preparation process is simple, at low cost, low energy consumption, easily controllable；Graphene semiconductor shielding material obtained has low-density, half
Electric conductivity is superior, high pressure resistant, tensile strength is high, ultra-smooth and resistance to water tree, product can be used as the ideal of middle-high voltage power cable
Shielding material.But shielding action is considered only in the invention, without considering other performances, lead to its antioxygenic property not
Good, cable is easy aging, reduces the service life.
Summary of the invention
The present invention provides power cable shielding materials of a kind of containing graphene and preparation method thereof, solve existing electricity
Power cable is unreasonable with shielding material addition antioxidant, causes its its antioxygenic property bad, cable is easy aging, and reduction makes
The problems such as with the service life.
In order to solve the above technical problems, the technical solution adopted by the present invention are as follows:
A kind of power cable shielding material of containing graphene, in parts by weight, including 70-85 parts of EVA resin, EEA
10-15 parts of resin, 10-15 parts of conductive black, 1-2 parts of graphene, 2-3 parts of lubricant, 1-2 parts of crosslinking agent, composite antioxidant
0.5-0.8 parts, the composite antioxidant, in parts by weight, including 300 85 parts of antioxidant, VE3 parts, guaiac resin
2 parts, 10 parts of white carbon black.
Further, a preferred embodiment of the present invention: the EVA resin is that vinyl acetate (VA) content is 28-40 parts
EVA resin.
Further, a preferred embodiment of the present invention: the lubricant is the KH-560 and stearmide of mass ratio 1:2
Mixture.
Further, a preferred embodiment of the present invention: the crosslinking agent is crosslink agent DCP.
The preparation method of the power cable shielding material of containing graphene of the invention, comprising the following steps:
(1) conductive black, graphene ground and mixed are uniformly obtained into hybrid conductive filler；By hybrid conductive filler, EVA tree
Rouge, EEA resin, lubricant, crosslinking agent and composite antioxidant are put into torque rheometer, 120-150 DEG C at a temperature of into
Row is blended, and then takes out cooling blend；
(2) by blend in vulcanizing press, 150-160 DEG C hot-forming, obtains power cable shielding material.
Further, a preferred embodiment of the present invention: the revolving speed of the torque rheometer turns for 60-70, incorporation time
For 8-12min.
Beneficial effects of the present invention:
Shielding material of the invention is used as conductive material, its excellent electricity of graphene using conductive black and graphene are compound
Performance, hot property, mechanical performance and unique two-dimensional structure have obtained extensive concern, and a small amount of graphene is filled out as conduction
Material and conductive black are mixed into shielded layer jointly, and carbon black and graphene generate synergistic effect, are dispersed non-uniform carbon black originally and are opened
Beginning is dispersed in around graphene or is supported on the lamella of graphene.It realizes two-dimensional material and ball-type material forms three
Dimension space contact, rather than ball-type material stacking only, also, with the increase of graphite Kaesa content, composite material gradually forms
Complete conductive network can greatly reduce the usage amount of conductive filler and then improve the surface smoothness and electricity of shielded layer
The extrusion processability energy of cable material.
The present invention uses composite antioxidant, can prevent or slow down the compound of organic material oxidation, it has been not only able to
Effect reduces the automatic oxidation reaction rate of plastics, and can delay plastic ageing and degradation, and the use for effectively raising product is said
It is bright, and the mechanics and electric property of product can be improved simultaneously.
Shielding material of the invention has the inoxidizability of excellent mechanics, electricity, thermal property, especially shielding material
Can be good, effectively raise the service life of product.
Specific embodiment
Below in conjunction with the embodiment of the present invention, technical solution of the present invention is clearly and completely described, it is clear that institute
The embodiment of description is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention,
Every other embodiment obtained by those of ordinary skill in the art without making creative efforts, belongs to this hair
The range of bright protection.
Embodiment 1
A kind of power cable shielding material of containing graphene, in parts by weight, including 70 parts of EVA resin, EEA resin
15 parts, 15 parts of conductive black, 1 part of graphene, 2 parts of lubricant, 2 parts of crosslinking agent, 0.5 part of composite antioxidant, described is compound
Antioxidant, in parts by weight, including 30085 parts of antioxidant, VE3 parts, 2 parts of guaiac resin, 10 parts of white carbon black.
EVA resin is the EVA resin that vinyl acetate (VA) content is 28-40 parts, specifically uses Du PontTM 28 parts of VA content.Graphene uses the technical grade graphene of Nanjing Xian Feng Nono-material Science & Technology Ltd.
Nanometer sheet.
Lubricant is the KH-560 and stearmide mixture of mass ratio 1:2.Crosslinking agent is crosslink agent DCP.
Preparation method, comprising the following steps:
(1) conductive black, graphene ground and mixed are uniformly obtained into hybrid conductive filler；By hybrid conductive filler, EVA tree
Rouge, EEA resin, lubricant, crosslinking agent and composite antioxidant are put into torque rheometer, 120 DEG C at a temperature of be total to
Mixed, the revolving speed of torque rheometer is 60 turns, incorporation time 8min.Then take out cooling blend；
(2) by blend in vulcanizing press, 150 DEG C hot-forming, obtains power cable shielding material.
Embodiment 2
A kind of power cable shielding material of containing graphene, in parts by weight, including 80 parts of EVA resin, EEA resin
13 parts, 10 parts of conductive black, 2 parts of graphene, 2 parts of lubricant, 1 part of crosslinking agent, 0.6 part of composite antioxidant, described is compound
Antioxidant, in parts by weight, including 30085 parts of antioxidant, VE3 parts, 2 parts of guaiac resin, 10 parts of white carbon black.
EVA resin is the EVA resin that vinyl acetate (VA) content is 28-40 parts, specifically uses Du Pont TM250,
28 parts of VA content.Graphene uses the technical grade graphene nanometer sheet of Nanjing Xian Feng Nono-material Science & Technology Ltd..
Lubricant is the KH-560 and stearmide mixture of mass ratio 1:2.Crosslinking agent is crosslink agent DCP.
Preparation method, comprising the following steps:
(1) conductive black, graphene ground and mixed are uniformly obtained into hybrid conductive filler；By hybrid conductive filler, EVA tree
Rouge, EEA resin, lubricant, crosslinking agent and composite antioxidant are put into torque rheometer, 130 DEG C at a temperature of be total to
Mixed, the revolving speed of torque rheometer is 60 turns, incorporation time 10min.Then take out cooling blend；
(2) by blend in vulcanizing press, 150 DEG C hot-forming, obtains power cable shielding material.
Embodiment 3
A kind of power cable shielding material of containing graphene, in parts by weight, including 85 parts of EVA resin, EEA resin
10 parts, 13 parts of conductive black, 2 parts of graphene, 3 parts of lubricant, 1 part of crosslinking agent, 0.8 part of composite antioxidant, described is compound
Antioxidant, in parts by weight, including 30085 parts of antioxidant, VE3 parts, 2 parts of guaiac resin, 10 parts of white carbon black.
EVA resin is the EVA resin that vinyl acetate (VA) content is 28-40 parts, specifically uses Du PontTM VA
28 parts of content.Graphene uses the technical grade graphene nanometer sheet of Nanjing Xian Feng Nono-material Science & Technology Ltd..
Lubricant is the KH-560 and stearmide mixture of mass ratio 1:2.Crosslinking agent is crosslink agent DCP.
Preparation method, comprising the following steps:
(1) conductive black, graphene ground and mixed are uniformly obtained into hybrid conductive filler；By hybrid conductive filler, EVA tree
Rouge, EEA resin, lubricant, crosslinking agent and composite antioxidant are put into torque rheometer, 150 DEG C at a temperature of be total to
Mixed, the revolving speed of torque rheometer is 70 turns, incorporation time 12min.Then take out cooling blend；
(2) by blend in vulcanizing press, 160 DEG C hot-forming, obtains power cable shielding material.
Comparative example 1
Substantially the same manner as Example 1, difference is: antioxidant uses antioxidant 300.
Performance test
It is measured according to JB/T 10738-2007 " voltage rating 35kV and following cables with extruded insulation semiconductive shieldin material "
The performance of shielding material prepared by embodiment 1-3 and comparative example 1, specifically see the table below.
As seen from the above table, the power cable of containing graphene of the invention with shielding material have excellent mechanics, electricity and
Antioxygenic property, especially heat aging performance, tensile strength change rate reduce 26 parts, and elongation at break change rate reduces 25
Part.It can be seen that can effectively improve antioxygenic property using composite antioxidant of the invention, effectively improve service life, and
And mechanics and electric property are also provided simultaneously.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (6)
1. a kind of power cable shielding material of containing graphene, it is characterised in that: in parts by weight, including EVA resin 70-
85 parts, it is 10-15 parts of EEA resin, 10-15 parts of conductive black, 1-2 parts of graphene, 2-3 parts of lubricant, 1-2 parts of crosslinking agent, compound
0.5-0.8 parts of antioxidant, the composite antioxidant, in parts by weight, including 300 85 parts of antioxidant, VE3 parts,
2 parts of guaiac resin, 10 parts of white carbon black.
2. a kind of power cable shielding material of containing graphene according to claim 1, it is characterised in that: described
EVA resin is the EVA resin that vinyl acetate (VA) content is 28-40 parts.
3. a kind of power cable shielding material of containing graphene according to claim 1, it is characterised in that: the profit
Lubrication prescription is the KH-560 and stearmide mixture of mass ratio 1:2.
4. a kind of power cable shielding material of containing graphene according to claim 1, it is characterised in that: the friendship
Connection agent is crosslink agent DCP.
5. a kind of preparation method of the power cable shielding material of containing graphene according to any one of claims 1-4,
It is characterized in that, comprising the following steps:
(1) conductive black, graphene ground and mixed are uniformly obtained into hybrid conductive filler；By hybrid conductive filler, EVA resin,
EEA resin, lubricant, crosslinking agent and composite antioxidant are put into torque rheometer, 120-150 DEG C at a temperature of be total to
It is mixed, then take out cooling blend；
(2) by blend in vulcanizing press, 150-160 DEG C hot-forming, obtains power cable shielding material.
6. a kind of preparation method of the power cable shielding material of containing graphene according to claim 5, feature exist
In: the revolving speed of the torque rheometer turns for 60-70, incorporation time 8-12min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810983538.7A CN109206731A (en) | 2018-08-27 | 2018-08-27 | A kind of power cable shielding material of containing graphene and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810983538.7A CN109206731A (en) | 2018-08-27 | 2018-08-27 | A kind of power cable shielding material of containing graphene and preparation method thereof |
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| Publication Number | Publication Date |
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| CN109206731A true CN109206731A (en) | 2019-01-15 |
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ID=64985476
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| CN201810983538.7A Pending CN109206731A (en) | 2018-08-27 | 2018-08-27 | A kind of power cable shielding material of containing graphene and preparation method thereof |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111138747A (en) * | 2019-12-17 | 2020-05-12 | 江苏东方电缆材料有限公司 | EVA semiconductive cable shielding material and preparation method thereof |
| CN111303526A (en) * | 2020-04-02 | 2020-06-19 | 成都鑫成鹏高分子科技股份有限公司 | Multilayer graphene modified semiconductive shielding material and preparation method thereof |
| CN111363229A (en) * | 2020-03-13 | 2020-07-03 | 江阴市海峰电缆材料有限公司 | High-voltage rubber cable insulation semi-conductive shielding material |
| WO2020206979A1 (en) * | 2019-04-08 | 2020-10-15 | 江苏德威新材料股份有限公司 | Semi-conductive shielding material for high voltage cable, and preparation method and use thereof |
| CN111777894A (en) * | 2020-07-22 | 2020-10-16 | 广东一纳科技有限公司 | Graphene ink and preparation method and application thereof |
| CN115304854A (en) * | 2022-08-12 | 2022-11-08 | 四川大学 | High-voltage cable semiconductive shielding material based on graphene oxide dispersed conductive carbon black and preparation method thereof |
| CN115403853A (en) * | 2022-09-30 | 2022-11-29 | 万华化学（宁波）有限公司 | Composite material for shielding direct/alternating current high-voltage cable and preparation method thereof |
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| WO2020206979A1 (en) * | 2019-04-08 | 2020-10-15 | 江苏德威新材料股份有限公司 | Semi-conductive shielding material for high voltage cable, and preparation method and use thereof |
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| CN111303526A (en) * | 2020-04-02 | 2020-06-19 | 成都鑫成鹏高分子科技股份有限公司 | Multilayer graphene modified semiconductive shielding material and preparation method thereof |
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| CN115403853A (en) * | 2022-09-30 | 2022-11-29 | 万华化学（宁波）有限公司 | Composite material for shielding direct/alternating current high-voltage cable and preparation method thereof |
| CN115403853B (en) * | 2022-09-30 | 2024-04-09 | 万华化学（宁波）有限公司 | Composite material for shielding direct-current/alternating-current high-voltage cable and preparation method thereof |
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Application publication date: 20190115 |