CN107151391A - ± 160kV direct current submarine cable ethylene propylene rubber insulation materials and preparation method thereof - Google Patents
± 160kV direct current submarine cable ethylene propylene rubber insulation materials and preparation method thereof Download PDFInfo
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- CN107151391A CN107151391A CN201710437673.7A CN201710437673A CN107151391A CN 107151391 A CN107151391 A CN 107151391A CN 201710437673 A CN201710437673 A CN 201710437673A CN 107151391 A CN107151391 A CN 107151391A
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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
- C08L23/16—Elastomeric ethene-propene or ethene-propene-diene copolymers, e.g. EPR and EPDM rubbers
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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
- H01B3/28—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances natural or synthetic rubbers
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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
- 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
- C08K2003/2234—Oxides; Hydroxides of metals of lead
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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
- 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
- C08K2201/002—Physical properties
- C08K2201/003—Additives being defined by their diameter
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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
- C08K2201/011—Nanostructured 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
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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 present invention relates to ± 160kV direct current submarine cable ethylene propylene rubber insulation materials and preparation method thereof.The material includes following components, high ethene high electrical performance EP rubbers（EPDM）60 80 parts；10 30 parts of polyolefin elastomer；60 80 parts of the calcinated argil of special modification；12 parts of coupling agent；24 parts of lubricant；5 10 parts of activating agent；37 parts of hydrophober；13 parts of age resistor；35 parts of vulcanizing agent.The technological requirement and step of Insulation Material preparation is described in detail.The present invention is to fill up the blank that ± 160 kV direct current submarine cables are studied with ethylene propylene rubber insulation material, and the shortcoming for overcoming it to exist, invent a kind of high specific insulation, high-cleanness, high, fine heat-resisting performance, water resistance and protruded, ± 160 kV direct current submarine cable ethylene propylene rubber insulation materials for the features such as space charge is formed can be suppressed.This product can be used for the insulating barrier of ± 160 kV and following direct current high voltage cable.
Description
Technical field
The present invention relates to one kind ± 160kV direct current submarine cable ethylene propylene rubber insulation materials and preparation method thereof.
Background technology
Due to cleaning the development of the wind energy energy, superhigh voltage DC submarine cable is continuously available application.Superhigh voltage DC cable
There are fabulous electrical insulation properties with Insulation Material requirement.Current Insulation Material substantially all using crosslinked polyethylene as matrix material, but
It is that crosslinked polyethylene flexibility is poor, is also easier to produce space charge relative to rubber, its water resistance is also too late in addition
EP rubbers.Because EP rubbers basic source is in external import, and relative crosslinked polyethylene price is higher, to formula, work
Skill is equipped and the requirement of environmental condition is very high, so the domestic personnel for researching and developing the product are less, also has no relevant criterion and document.
This product requires good environment clean level and extraordinary process equipment, there is that the big, market risk of input is high.
The content of the invention
The present invention is, in order to fill up the blank that ± 160 kV direct current submarine cables are studied with ethylene propylene rubber insulation material, and to overcome
The shortcoming that its existing product is present, has invented a kind of high specific insulation, high-cleanness, high, fine heat-resisting performance, water resistance
Protrude, ± 160 kV direct current submarine cable ethylene propylene rubber insulation materials for the features such as space charge is formed can be suppressed.
The present invention relates to one kind ± 160kV direct current submarine cable ethylene propylene rubber insulation materials and preparation method thereof, its feature
It is to include following components（Weight）：
High ethene high electrical performance EP rubbers（EPDM）60-80 parts；
10-30 parts of polyolefin elastomer；
60-80 parts of the calcinated argil of special modification；
1-2 parts of coupling agent；
2-4 parts of lubricant；
5-10 parts of activating agent；
3-7 parts of hydrophober；
1-3 parts of age resistor；
3-5 parts of vulcanizing agent.
The purpose of the present invention is achieved through the following technical solutions：
EP rubbers ethylene contents used are more than 70%, and Third monomer content is more than 3%.
Polyolefin elastomer used is the one or more of ethylene-octene or Ethylene/Butylene.
Clay used need to should be less than 1.2 μm by calcining and special surface modification, particle diameter.
Lubricant used is the one or two of low melt point paraffin or low-molecular polyethylene wax.
Coupling agent used is vinyl three (b- methoxy ethoxies) silane.
Activating agent used is the one or more in stearic acid, zinc stearate, calcium stearate.
Activating agent used is nanometer active zinc oxide, and particle diameter is 1 ~ 100 nm.
Hydrophober used is one or both of pre-dispersed lead orthoplumbate, lead oxide.
Age resistor used is double (bis (alpha, alpha-dimethylbenzyl) base) diphenylamines of 4,4'- or 2,2,4- trimethyl -1,2- dihydro quinolines
One kind in quinoline polymer.
Vulcanizing agent used is cumyl peroxide（DCP）, di-t-butyl hexane peroxide（BIBP）, cyanuric acid three
Allyl ester（TAC）, triallyl isocyanurate（TAIC）In one or more.
Production environment requires that whole dispensing, the environment of plant in mixed refining process workshop circulate for malleation（Generally 1.15MPA's
Atmospheric pressure）, and good dust-exbaust system is equipped with, each appliances, tooling device, various materials for being related to manufacture course of products are deposited
Device etc. must assure that cleaning and clean；By the high ethene EP rubbers, polyolefin elastomer, superfine modified calcinated argil, increasing
Agent, coupling agent, activating agent, thermally-stabilised, waterproof stabilizer, age resistor and vulcanizing agent are moulded, claims match system automatic weighing using automatic,
Realize sealed feeding, automatic, high precision weighing, central dedusting；Mixing process requires, using multistage sweetening process, to use K4 type banburyings
Machine is kneaded.First paragraph mill rotating speed is 40-50r/min, reaches more than 150C discharge temps；Banbury discharging supplies filter glue
The operation of machine, continuous flow rate mode is pushed using tapered screw rod, and filter glue net is more than 4 layers and overlapped, with it is thick/in it is thin/thin/slightly
Combination, wherein most sub-layers should at least 120 mesh steel wire.Second segment adds sulphur to knead, and rotating speed is 30 r/min, control
Below 95C discharge temp；Sizing material makes material：Plus the finished product glue after sulphur has to pass through secondary filter glue, the filter glue screen pack of multilayer
The fineness of middle minimum filter screen at least meets one layer of filter screen requirement for being less than 80 mesh.70 ~ 90 DEG C of control extrusion barrel temperature range；For
The bad phenomenons such as semi-finished product conglomeration are avoided to produce, using atomization isolating device during pelletizing；To avoid the particle of poor electrical performance from being mixed into,
Separated using magnetic means；The storage of finished product is using cleaning container, it is to avoid all kinds of pollutions, it is thin that pellet is packaged in high density polyethylene (HDPE)
Film bag is deposited and sealed, and storage condition condition is 10 ~ 35 DEG C.
± 160 kV direct current submarine cables ethylene propylene rubber insulation materials of the present invention are used as main base material by EP rubbers
Material.EP rubbers chooses high ethylene contents（More than 70%）.High ethylene contents can improve the insulating properties of material, select relatively low
Mooney viscosity can ensure that material has good processing characteristics, rational Third monomer content can improve the vulcanization of material
Speed and production technology security.
Special modified calcinated argil is used as filler reinforcement system.Special modified calcinated argil used, by calcining and table
Face modification, particle diameter is less than 1.2 μm, after calcination processing, and clay becomes alkalescence by acidity, is conducive to improving vulcanization effect
Rate, can improve the adhesion of clay and EP rubbers interface by carrying out surface modification to clay, can not only improve machinery
Performance, can also improve electrical property, and ultra tiny particle diameter assigns material good mechanical performance.
Low melt point paraffin or low-molecular polyethylene wax are as lubricating system, and it can improve the processing characteristics of Insulation Material, increase
Plus its mobility.
Nanometer active zinc oxide is as activating agent, and its particle diameter is 1 ~ 100 nm, can be significant by the addition of activating agent
Curingprocess rate, dielectric properties and the heat aging property of insulating materials are improved, also has good to suppressing space charge formation in addition
Effect.
Hydrophober is pre-dispersed lead orthoplumbate or lead oxide, passes through its addition, it is ensured that insulating materials soaks for a long time
In the environment of water, specific insulation, electric capacity fall very little.
This product and conductor shield and insulation screen, constitute the insulation of ± 160 kV and following direct current submarine cable
System, it is ensured that cable has good DC electrical insulating properties.
Specific embodiment：
By two group of formula in table 1, prepare by weight.By the high ethene EP rubbers, polyolefin elastomer, special modification
Calcinated argil, wetting agent, coupling agent, activating agent, hydrophober, age resistor are delivered and kneaded into banbury：First paragraph mill
Rotating speed is 40-50r/min, reaches that more than 150C discharge temps carry out glue stuff compounding, is pushed continuously using tapered screw rod after discharging
Feeding manner, more than 4 layers overlap, wherein the steel wire of the most mesh of sub-layers 120 carries out filter glue；Second segment adds sulphur mixing to be rotating speed
For 30 r/min, control below 95C discharge temp is carried out plus sulphur operation；Plus sizing material progress at least one layer of satisfaction is less than after sulphur
The multistorey strainer mesh filter glue of 80 mesh, control are atomized isolation, magnetic force and screened simultaneously when extruding 70 ~ 90 DEG C of barrel temperature range, pelletizing
Granulation process.Finished product is stored in the sealing container for being lined with density polyethylene film with high bag.
The test of Example formulations main performance is shown in Table 2.
Table 1, Example formulations table
Table 2, Example formulations performance test table
Claims (12)
1. the present invention relates to one kind ± 160kV direct current submarine cable ethylene propylene rubber insulation materials and preparation method thereof, its feature exists
In including following components（Weight）：
High ethene high electrical performance EP rubbers（EPDM）60-80 parts；
10-30 parts of polyolefin elastomer；
60-80 parts of the calcinated argil of special modification；
1-2 parts of coupling agent；
2-4 parts of lubricant；
5-10 parts of activating agent；
3-7 parts of hydrophober；
1-3 parts of age resistor；
3-5 parts of vulcanizing agent.
2. ± 160kV direct current submarine cable ethylene propylene rubber insulation materials according to claim 1 and preparation method thereof, it is special
Levy and be that the ethylene contents of EP rubbers used are more than 70%, Third monomer content is more than 3%.
3. ± 160kV direct current submarine cable ethylene propylene rubber insulation materials according to claim 1 and preparation method thereof, are used
Polyolefin elastomer for ethylene-octene or Ethylene/Butylene one or more.
4. ± 160kV direct current submarine cable ethylene propylene rubber insulation materials according to claim 1 and preparation method thereof, are used
Clay need to be by calcining and special surface modification, particle diameter should be less than 1.2 μm.
5. ± 160kV direct current submarine cable ethylene propylene rubber insulation materials according to claim 1 and preparation method thereof, described
Lubricant for low melt point paraffin or low-molecular polyethylene wax one or two.
6. ± 160kV direct current submarine cable ethylene propylene rubber insulation materials according to claim 1 and preparation method thereof, are used
Coupling agent be vinyl three (b- methoxy ethoxies) silane.
7. ± 160kV direct current submarine cable ethylene propylene rubber insulation materials according to claim 1 and preparation method thereof, it is special
Levy and be, described activating agent is the one or more in stearic acid, zinc stearate, calcium stearate.
8. ± 160kV direct current submarine cable ethylene propylene rubber insulation materials according to claim 1 and preparation method thereof, it is special
Levy and be, described activating agent is nanometer active zinc oxide, particle diameter is 1 ~ 100 nm.
9. ± 160kV direct current submarine cable ethylene propylene rubber insulation materials according to claim 1 and preparation method thereof, described
Hydrophober one or both of for pre-dispersed lead orthoplumbate, lead oxide.
10. ± 160kV direct current submarine cable ethylene propylene rubber insulation materials according to claim 1 and preparation method thereof, institute
The age resistor stated is in double (bis (alpha, alpha-dimethylbenzyl) base) diphenylamines of 4,4'- or 2,2,4 trimethyl 1,2 dihydroquinoline polymer
One kind.
11. ± 160kV direct current submarine cable ethylene propylene rubber insulation materials according to claim 1 and preparation method thereof, institute
The vulcanizing agent stated is cumyl peroxide, di-t-butyl hexane peroxide, TAC, triallyl isocyanide urine
One or more in acid esters.
12. ± 160kV direct current submarine cable ethylene propylene rubber insulation materials according to claim 1 and preparation method thereof, its
It is characterised by that the preparation method includes following technological requirement and step：（1）Production environment requires whole dispensing, mixed refining process workshop
The environment of plant be malleation circulation（Generally 1.15MPA atmospheric pressure）, and good dust-exbaust system is equipped with, it is related to product manufacturing
Each appliances, tooling device, storage of various materials of process etc. must assure that cleaning and clean；（2）Material prepares to require former
Material should try one's best claims match system using automatic, realizes sealed feeding, automatic, high precision weighing, central dedusting；（3）All raw material
Transporting, stock up, have enough to meet the need, the process such as dispensing avoids exposed and landing operation, manually-operated human contact's material should be used
The emgloves operation of cleaning；（4）Mixing process is required to use multistage sweetening process, kneaded using K4 type banburies, first
Section mill rotating speed is 40-50r/min, reaches more than 150C discharge temps；Banbury discharging supplies the operation of rubber strainer, using cone
Type screw rod pushes continuous flow rate mode, and filter glue net is more than 4 layers and overlapped, with it is thick/in thin/carefully/thick combination, wherein
Most sub-layers should at least 120 mesh steel wire, second segment adds sulphur to knead, and rotating speed is 30 r/min, and control below 95C's unloads material temperature
Degree,（5）Sizing material makes material：Plus the finished product glue after sulphur has to pass through minimum filter screen in secondary filter glue, the filter glue screen pack of multilayer
Fineness at least meets one layer of filter screen requirement for being less than 80 mesh, 70 ~ 90 DEG C of control extrusion barrel temperature range, to avoid semi-finished product knot
The bad phenomenons such as group are produced, using atomization isolating device during pelletizing；To avoid the particle of poor electrical performance from being mixed into, using magnetic means
Separation；（6）The storage of finished product is using cleaning container, it is to avoid all kinds of pollutions, and pellet is packaged in density polyethylene film with high bag storage
And seal, storage condition condition is 10 ~ 35 DEG C；(7) product inspection：Except density, sulphur varied curve, viscosity, physical and mechanical properties etc. often
Rule detection, also 150 times of mirror image observations of film face and imaging control.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710437673.7A CN107151391A (en) | 2017-06-12 | 2017-06-12 | ± 160kV direct current submarine cable ethylene propylene rubber insulation materials and preparation method thereof |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108690272A (en) * | 2018-06-13 | 2018-10-23 | 合肥浦尔菲电线科技有限公司 | A kind of water-fast corrosion proof cable material of marine settings pressure resistance |
| CN109651719A (en) * | 2018-12-27 | 2019-04-19 | 尚纬股份有限公司 | A kind of nuclear reactor midium voltage cable peelable insulation shielding material and preparation method thereof |
| CN109651720A (en) * | 2018-12-27 | 2019-04-19 | 尚纬股份有限公司 | A kind of nuclear reactor midium voltage cable conductor shielding material and preparation method thereof |
| CN111607165A (en) * | 2020-06-24 | 2020-09-01 | 长缆电工科技股份有限公司 | High-expansion insulating ethylene-propylene rubber cold-contraction material, and preparation method and application thereof |
| CN115181367A (en) * | 2022-07-22 | 2022-10-14 | 上海起帆电缆股份有限公司 | Hard ethylene propylene insulation rubber for electric automobile cable and preparation method thereof |
| CN115947999A (en) * | 2022-12-27 | 2023-04-11 | 上海驰程化工工贸有限公司 | 66kV high-voltage insulation mixture for flexible cable of wind driven generator and preparation method thereof |
| CN116675986A (en) * | 2023-06-06 | 2023-09-01 | 广东澳通特种电缆有限公司 | Silicon rubber high-temperature-resistant cable and preparation method thereof |
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| CN105330990A (en) * | 2015-12-01 | 2016-02-17 | 江苏上上电缆集团有限公司 | Insulating material for new energy vehicle charging pile cable and preparation method of insulating material |
| CN106432923A (en) * | 2016-09-22 | 2017-02-22 | 佛山市飞时达新材料科技有限公司 | Seawater-resistant EPDM cable material and manufacturing method thereof |
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| CN105330990A (en) * | 2015-12-01 | 2016-02-17 | 江苏上上电缆集团有限公司 | Insulating material for new energy vehicle charging pile cable and preparation method of insulating material |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108690272A (en) * | 2018-06-13 | 2018-10-23 | 合肥浦尔菲电线科技有限公司 | A kind of water-fast corrosion proof cable material of marine settings pressure resistance |
| CN109651719A (en) * | 2018-12-27 | 2019-04-19 | 尚纬股份有限公司 | A kind of nuclear reactor midium voltage cable peelable insulation shielding material and preparation method thereof |
| CN109651720A (en) * | 2018-12-27 | 2019-04-19 | 尚纬股份有限公司 | A kind of nuclear reactor midium voltage cable conductor shielding material and preparation method thereof |
| CN111607165A (en) * | 2020-06-24 | 2020-09-01 | 长缆电工科技股份有限公司 | High-expansion insulating ethylene-propylene rubber cold-contraction material, and preparation method and application thereof |
| CN115181367A (en) * | 2022-07-22 | 2022-10-14 | 上海起帆电缆股份有限公司 | Hard ethylene propylene insulation rubber for electric automobile cable and preparation method thereof |
| CN115947999A (en) * | 2022-12-27 | 2023-04-11 | 上海驰程化工工贸有限公司 | 66kV high-voltage insulation mixture for flexible cable of wind driven generator and preparation method thereof |
| CN116675986A (en) * | 2023-06-06 | 2023-09-01 | 广东澳通特种电缆有限公司 | Silicon rubber high-temperature-resistant cable and preparation method thereof |
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Application publication date: 20170912 |