CN110079007A - Weather-proof power cable is worn in the compound resistance of one kind - Google Patents
Weather-proof power cable is worn in the compound resistance of one kind Download PDFInfo
- Publication number
- CN110079007A CN110079007A CN201910364829.2A CN201910364829A CN110079007A CN 110079007 A CN110079007 A CN 110079007A CN 201910364829 A CN201910364829 A CN 201910364829A CN 110079007 A CN110079007 A CN 110079007A
- Authority
- CN
- China
- Prior art keywords
- conductor
- metal compound
- weather
- lead metal
- power cable
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
- B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
-
- 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
- C08L23/0869—Acids or derivatives thereof
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/28—Protection against damage caused by moisture, corrosion, chemical attack or weather
- H01B7/282—Preventing penetration of fluid, e.g. water or humidity, into conductor or cable
- H01B7/2825—Preventing penetration of fluid, e.g. water or humidity, into conductor or cable using a water impermeable sheath
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B9/00—Power cables
- H01B9/02—Power cables with screens or conductive layers, e.g. for avoiding large potential gradients
-
- 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
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
Landscapes
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Thermal Sciences (AREA)
- Insulated Conductors (AREA)
Abstract
The present invention relates to a kind of compound resistances to wear weather-proof power cable; including conductor; there is the first conductor shield on the outside of the conductor; there is insulating layer on the outside of first conductor shield; also there is the second conductor shield on the outside of the insulating layer; the second conductor shield outer layer covers matcoveredn, the protective layer are coated with hydrophobic film outside.Compound resistance of the invention wears weather-proof power cable using double-layer conductor shielding material, the raw material of conductor shielding relatively easily obtains, by the way that nanoscale lead metal compound is added, volume resistivity can be reduced, volume resistivity is lower, the shielding properties of the shielding material of good conductivity, the breakdown characteristics of cable are significantly improved.
Description
Technical field
The present invention relates to a kind of compound resistances to wear weather-proof power cable.
Background technique
The main reason for cable insulation punctures has mechanical damage, insulation ag(e)ing, humidified insulation, end failure and overvoltage
Deng, can specifically include following aspects: (l) mechanical damage.In cable insulation breakdown accident, mechanical damage proportion
Very big, common reason is as follows: l) directly being damaged by external force, injures cable by a crashing object as weight is fallen down by eminence, cuts the earth accidentally
Accidentally injure cable etc..2) cable bend crosses ambassador and insulate injured when laying, and cable is made to insulate and be protected by severe crush when shipment
Layer damage.3) direct-buried cable bears excessive pressure because of settlement of stratum, causes insulation impaired, cable is even broken when serious.(2)
Insulation ag(e)ing.In the During Process of Long-term Operation of cable, mountain in radiate it is bad keep cable temperature excessively high, so as to cause insulating materials
Electric property and mechanical performance deteriorate, and insulation is caused to become fragile and be broken.(3) humidified insulation.The main original of cable insulation dampness
Because being: 1) since end construction is bad, moisture is invaded inside cable.2) invade moisture since inner sheath of cable is damaged,
Such as the direct mechanical damage of sheath；Lead-covered cable is laid near vibration source, generates fatigue cracking because of Long-term Vibration；Cable sheath
Hole is generated by chemical attack.It is bad due to manufacturing, there are aperture or crack etc. on sheath.(4) end failure.Cable termination
Head and transition joint are the weak links of cable run, and due to constructing, quality of materials that is bad and using is poor, and end occurs
Failure and lead to insulation breakdown.(5) excessively electric) it is long.Cause insulation breakdown since atmosphere electricity excessively is disappointed or internal overvoltage, especially
It is breakdown simultaneously that internal system overvoltage often results in multi-cable.
The measure for preventing cable insulation from puncturing has the following aspects: (1) reinforcing the operation and maintenance of cable run.It should be regular
Walkaround inspection cable run, scent a hidden danger timely exclusion；Cable run should not long-term running overload, and abide by operating standard.
(2) mechanical damage is prevented.Aerial cable, the especially cable along wall laying, should be covered.Engineering of breaking ground in factory should handle by
The dynamic upper card of electrical department signature；Walkaround inspection should be reinforced to factory's outer cable route, prevent the digging near cable run in time
Soil takes native operation.(3) prevent that cable insulation makes moist.Cable sheath, which is corroded, will lead to humidified insulation breakdown, so should reinforce electricity
The maintenance of cable outer jacket will brush one layer of pitch every 2~3 years on protective coverings of cable.(4) the construction matter of end is improved
Amount.Due to bubble and moisture the compressive resistance that end insulate is influenced it is very big, in electricity, the production of cable end, installation process
Middle insulation looping is critical close, there is not allowed that gap.Epoxy resin and silica flour should strictly be carried out at dry processing before.Cable is whole
Field distribution near end is very uneven, and the electric field strength of sheath edge is maximum, should reinforce the insulation at this.(5) it carries
Cable is played carefully, and when cabling should ensure that quality mouth carries cable, extruded cable should be avoided.Cable bend can not mistake when laying
Greatly, in order to avoid damaging built-in electrical insulation.For oil-impregnated paper insulation cable, the difference of height that pay special attention to both ends in an installation be must not exceed
Specified value.
Granted patent CN106960701B discloses the compound resistance of one kind and wears weather-proof power cable, which is characterized in that including
Conductor, the conductor outside have the first conductor shield, have insulating layer on the outside of first conductor shield, described
Insulating layer on the outside of also there is the second conductor shield, the second conductor shield outer layer covers matcoveredn is described
Conductor is copper conductor, and first conductor shield and the second conductor shield are the shielding of nanoscale lead metal compound
Material.Power cable of the invention has stronger breakdown characteristics.
However, feeding back through marketing users, nanoscale lead metal compound there are problems that reuniting in above-mentioned patent, and hot pressing
Molding effect is not good enough, causes the shield effectiveness of cable still insufficient, breakdown characteristics are still extremely difficult to application circumstances
It is required that failure rate is still very high.
Summary of the invention
As follows in the prior art in order to solve the problems, such as: nanoscale lead metal compound there are problems that reuniting, and be hot pressed into
Type less effective causes the shield effectiveness of cable still insufficient, and breakdown characteristics are still extremely difficult to wanting for application circumstances
It asks, failure rate is still very high.
The invention proposes following technical solutions:
Weather-proof power cable, including conductor are worn in the compound resistance of one kind, have the first conductor shield on the outside of the conductor,
There is insulating layer on the outside of first conductor shield, also there is the second conductor shield on the outside of the insulating layer, it is described
The second conductor shield outer layer covers matcoveredn；First conductor shield and the second conductor shield is nanometer
The shielding material of grade lead metal compound, the protective layer are coated with hydrophobic film outside；
The shielding material of the nanoscale lead metal compound the preparation method is as follows:
Step 1 uses 0.012 part of atoleine to press mass fraction 1:1 dilution titanate coupling agent NDZ-102 first；
Step 2 again impregnates 0.6 part of carbon fiber wherein, and magnetic agitation is stood；
Step 3 carries out ultrasonication, then dries；
Step 4 is added to 4.5 parts of lead by mass fraction 1:1 dilution titanate coupling agent TMC-TTS with 0.09 part of atoleine
In powder, it is stirred；
Step 5 carries out ultrasonic wave decentralized processing, dry；
Step 6 mixes the carbon fiber pipe handled well and lead powder, carries out hot alkali treatment: first handling under 180 DEG C of hot-airs
2h, the sodium hydroxide solution for being then added 5% impregnate 3h, and it is compound to obtain nanoscale lead metal to neutrality for washing after immersion
Object；
Step 7 adds hyper-dispersant into nanoscale lead metal compound, carries out magnetic agitation, receiving after being dispersed
Meter level lead metal compound, wherein the dosage of the hyper-dispersant is the nanoscale lead metal compound of 2wt%；
250 parts of ethylene-acrylic acid second resin copolymers are melt into flow-like by step 8 on a mill, until ethylene-the third
Olefin(e) acid second resin copolymer melts uniform；
Then step 9 is again added the nanoscale lead metal compound after dispersion and melts uniform ethylene-acrylic acid second rouge
Copolymer is kneaded；
Step 10 carries out microwave treatment, and then with 200 DEG C on vulcanizing press, pressure is flat for 30MPa hot pressing squarely
Plate obtains the shielding material of addition nanoscale lead metal compound.
Preferably, the hyper-dispersant presses quality by sodium methylene bis-naphthalene sulfonate and ethylenediamine polyoxyethylene polyethenoxy ether
Than being constituted for 1:1.
Preferably, the conductor is copper conductor.
Preferably, the thickness of first conductor shield is twice of the second conductor shield thickness.
Preferably, the magnetic agitation time is 4~6h in the step 2.
Preferably, ultrasonic treatment time is 2~4h in the step 3, and drying time is 10~14h.
Preferably, the ultrasonic wave decentralized processing time is 2~4h in the step 5, and drying time is 10~14h.
Preferably, mixing time is 2~4h in the step 9.
Preferably, in the step 10 square plate with a thickness of 2.5mm, having a size of 280mm × 280mm.
Technical solution of the present invention has as follows by beneficial effect:
(1) for the nanoscale lead metal compound technical problem easy to reunite for leading to shield effectiveness difference in the prior art, originally
Invention introduces two kinds of dispersing agent collaboration dispersions in nanoscale lead metal compound preparation process, promotes nanoscale lead metal compound
Object is realized evenly dispersed in ethylene-acrylic acid second resin copolymer, thus the characteristics of making full use of this partial size of nanoscale, improves
Shield effectiveness and breakdown characteristics；
(2) for the too low technical problem of briquetting pressure in the prior art, the present invention passes through hot pressing during optimization molding
Pressure discovery, optimal briquetting pressure are 30MPa, improve 10MPa than the prior art.In addition, being found through experiments that, pressure value
It is not the bigger the better, when pressure value reaches 35MPa, excessive hot pressing is bad by the molding effect of material, resists the energy worn
Power is begun to decline.
(3) compound resistance of the invention wears weather-proof power cable using double-layer conductor shielding material, the raw material of conductor shielding
It is relatively easy to obtain, by the way that nanoscale lead metal compound is added, volume resistivity can be reduced, volume resistivity is lower, leads
The shielding properties of electrically good shielding material, the breakdown characteristics of cable are significantly improved.
(4) present invention also has certain waterproof effect.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to embodiments and comparative example,
The present invention will be described in further detail.
Embodiment 1
Weather-proof power cable, including conductor are worn in the compound resistance of one kind, have the first conductor shield on the outside of the conductor,
There is insulating layer on the outside of first conductor shield, also there is the second conductor shield on the outside of the insulating layer, it is described
The second conductor shield outer layer covers matcoveredn；First conductor shield and the second conductor shield is nanometer
The shielding material of grade lead metal compound, the protective layer are coated with hydrophobic film outside；
The shielding material of the nanoscale lead metal compound the preparation method is as follows:
Step 1 uses 0.012 part of atoleine to press mass fraction 1:1 dilution titanate coupling agent NDZ-102 first；
Step 2 again impregnates 0.6 part of carbon fiber wherein, and magnetic agitation is stood；
Step 3 carries out ultrasonication, then dries；
Step 4 is added to 4.5 parts of lead by mass fraction 1:1 dilution titanate coupling agent TMC-TTS with 0.09 part of atoleine
In powder, it is stirred；
Step 5 carries out ultrasonic wave decentralized processing, dry；
Step 6 mixes the carbon fiber pipe handled well and lead powder, carries out hot alkali treatment: first handling under 180 DEG C of hot-airs
2h, the sodium hydroxide solution for being then added 5% impregnate 3h, and it is compound to obtain nanoscale lead metal to neutrality for washing after immersion
Object；
Step 7 adds hyper-dispersant into nanoscale lead metal compound, carries out magnetic agitation, receiving after being dispersed
Meter level lead metal compound, wherein the dosage of the hyper-dispersant is the nanoscale lead metal compound of 2wt%；
250 parts of ethylene-acrylic acid second resin copolymers are melt into flow-like by step 8 on a mill, until ethylene-the third
Olefin(e) acid second resin copolymer melts uniform；
Then step 9 is again added the nanoscale lead metal compound after dispersion and melts uniform ethylene-acrylic acid second rouge
Copolymer is kneaded；
Step 10 carries out microwave treatment, and then with 200 DEG C on vulcanizing press, pressure is flat for 30MPa hot pressing squarely
Plate obtains the shielding material of addition nanoscale lead metal compound.
Wherein, the hyper-dispersant by sodium methylene bis-naphthalene sulfonate and ethylenediamine polyoxyethylene polyethenoxy ether in mass ratio
For 1:1 composition, the conductor is copper conductor, and the thickness of first conductor shield is the second conductor shield thickness
Twice, the magnetic agitation time is 5h in the step 2, and ultrasonic treatment time is 3h, drying time 12h in the step 3,
The ultrasonic wave decentralized processing time is 3h, drying time 12h in the step 5, and mixing time is 3h in the step 9, described
In step 10 square plate with a thickness of 2.5mm, having a size of 280mm × 280mm.
Comparative example 1
Weather-proof power cable, including conductor are worn in the compound resistance of one kind, have the first conductor shield on the outside of the conductor,
There is insulating layer on the outside of first conductor shield, also there is the second conductor shield on the outside of the insulating layer, it is described
The second conductor shield outer layer covers matcoveredn；First conductor shield and the second conductor shield is nanometer
The shielding material of grade lead metal compound, the protective layer are coated with hydrophobic film outside；
The shielding material of the nanoscale lead metal compound the preparation method is as follows:
Step 1 uses 0.012 part of atoleine to press mass fraction 1:1 dilution titanate coupling agent NDZ-102 first；
Step 2 again impregnates 0.6 part of carbon fiber wherein, and magnetic agitation is stood；
Step 3 carries out ultrasonication, then dries；
Step 4 is added to 4.5 parts of lead by mass fraction 1:1 dilution titanate coupling agent TMC-TTS with 0.09 part of atoleine
In powder, it is stirred；
Step 5 carries out ultrasonic wave decentralized processing, dry；
Step 6 mixes the carbon fiber pipe handled well and lead powder, carries out hot alkali treatment: first handling under 180 DEG C of hot-airs
2h, the sodium hydroxide solution for being then added 5% impregnate 3h, and it is compound to obtain nanoscale lead metal to neutrality for washing after immersion
Object；
Step 7 adds hyper-dispersant into nanoscale lead metal compound, carries out magnetic agitation, receiving after being dispersed
Meter level lead metal compound, wherein the dosage of the hyper-dispersant is the nanoscale lead metal compound of 2wt%；
250 parts of ethylene-acrylic acid second resin copolymers are melt into flow-like by step 8 on a mill, until ethylene-the third
Olefin(e) acid second resin copolymer melts uniform；
Then step 9 is again added the nanoscale lead metal compound after dispersion and melts uniform ethylene-acrylic acid second rouge
Copolymer is kneaded；
Step 10 carries out microwave treatment, and then with 200 DEG C on vulcanizing press, pressure is flat for 30MPa hot pressing squarely
Plate obtains the shielding material of addition nanoscale lead metal compound.
Wherein, the hyper-dispersant is only made of sodium methylene bis-naphthalene sulfonate, and the conductor is copper conductor, and described the
The thickness of one conductor shield is twice of the second conductor shield thickness, and the magnetic agitation time is 5h in the step 2, described
Ultrasonic treatment time is 3h, drying time 12h in step 3, and the ultrasonic wave decentralized processing time is 3h in the step 5, is done
The dry time is 12h, and mixing time is 3h in the step 9, in the step 10 square plate with a thickness of 2.5mm, having a size of
280mm×280mm。
Comparative example 2
Weather-proof power cable, including conductor are worn in the compound resistance of one kind, have the first conductor shield on the outside of the conductor,
There is insulating layer on the outside of first conductor shield, also there is the second conductor shield on the outside of the insulating layer, it is described
The second conductor shield outer layer covers matcoveredn；First conductor shield and the second conductor shield is nanometer
The shielding material of grade lead metal compound, the protective layer are coated with hydrophobic film outside；
The shielding material of the nanoscale lead metal compound the preparation method is as follows:
Step 1 uses 0.012 part of atoleine to press mass fraction 1:1 dilution titanate coupling agent NDZ-102 first；
Step 2 again impregnates 0.6 part of carbon fiber wherein, and magnetic agitation is stood；
Step 3 carries out ultrasonication, then dries；
Step 4 is added to 4.5 parts of lead by mass fraction 1:1 dilution titanate coupling agent TMC-TTS with 0.09 part of atoleine
In powder, it is stirred；
Step 5 carries out ultrasonic wave decentralized processing, dry；
Step 6 mixes the carbon fiber pipe handled well and lead powder, carries out hot alkali treatment: first handling under 180 DEG C of hot-airs
2h, the sodium hydroxide solution for being then added 5% impregnate 3h, and it is compound to obtain nanoscale lead metal to neutrality for washing after immersion
Object；
Step 7 adds hyper-dispersant into nanoscale lead metal compound, carries out magnetic agitation, receiving after being dispersed
Meter level lead metal compound, wherein the dosage of the hyper-dispersant is the nanoscale lead metal compound of 2wt%；
250 parts of ethylene-acrylic acid second resin copolymers are melt into flow-like by step 8 on a mill, until ethylene-the third
Olefin(e) acid second resin copolymer melts uniform；
Then step 9 is again added the nanoscale lead metal compound after dispersion and melts uniform ethylene-acrylic acid second rouge
Copolymer is kneaded；
Step 10 carries out microwave treatment, and then with 200 DEG C on vulcanizing press, pressure is flat for 30MPa hot pressing squarely
Plate obtains the shielding material of addition nanoscale lead metal compound.
Wherein, the hyper-dispersant is only made of ethylenediamine polyoxyethylene polyethenoxy ether, and the conductor is copper conductor,
The thickness of first conductor shield is twice of the second conductor shield thickness, magnetic agitation time in the step 2
For 5h, ultrasonic treatment time is 3h in the step 3, drying time 12h, in the step 5 when ultrasonic wave decentralized processing
Between be 3h, drying time 12h, mixing time is 3h in the step 9, in the step 10 square plate with a thickness of
2.5mm, having a size of 280mm × 280mm.
Comparative example 3
Weather-proof power cable, including conductor are worn in the compound resistance of one kind, have the first conductor shield on the outside of the conductor,
There is insulating layer on the outside of first conductor shield, also there is the second conductor shield on the outside of the insulating layer, it is described
The second conductor shield outer layer covers matcoveredn；First conductor shield and the second conductor shield is nanometer
The shielding material of grade lead metal compound, the protective layer are coated with hydrophobic film outside；
The shielding material of the nanoscale lead metal compound the preparation method is as follows:
Step 1 uses 0.012 part of atoleine to press mass fraction 1:1 dilution titanate coupling agent NDZ-102 first；
Step 2 again impregnates 0.6 part of carbon fiber wherein, and magnetic agitation is stood；
Step 3 carries out ultrasonication, then dries；
Step 4 is added to 4.5 parts of lead by mass fraction 1:1 dilution titanate coupling agent TMC-TTS with 0.09 part of atoleine
In powder, it is stirred；
Step 5 carries out ultrasonic wave decentralized processing, dry；
Step 6 mixes the carbon fiber pipe handled well and lead powder, carries out hot alkali treatment: first handling under 180 DEG C of hot-airs
2h, the sodium hydroxide solution for being then added 5% impregnate 3h, and it is compound to obtain nanoscale lead metal to neutrality for washing after immersion
Object；
Step 7 adds hyper-dispersant into nanoscale lead metal compound, carries out magnetic agitation, receiving after being dispersed
Meter level lead metal compound, wherein the dosage of the hyper-dispersant is the nanoscale lead metal compound of 2wt%；
250 parts of ethylene-acrylic acid second resin copolymers are melt into flow-like by step 8 on a mill, until ethylene-the third
Olefin(e) acid second resin copolymer melts uniform；
Then step 9 is again added the nanoscale lead metal compound after dispersion and melts uniform ethylene-acrylic acid second rouge
Copolymer is kneaded；
Step 10 carries out microwave treatment, and then with 200 DEG C on vulcanizing press, pressure is flat for 20MPa hot pressing squarely
Plate obtains the shielding material of addition nanoscale lead metal compound.
Wherein, the hyper-dispersant by sodium methylene bis-naphthalene sulfonate and ethylenediamine polyoxyethylene polyethenoxy ether in mass ratio
For 1:1 composition, the conductor is copper conductor, and the thickness of first conductor shield is the second conductor shield thickness
Twice, the magnetic agitation time is 5h in the step 2, and ultrasonic treatment time is 3h, drying time 12h in the step 3,
The ultrasonic wave decentralized processing time is 3h, drying time 12h in the step 5, and mixing time is 3h in the step 9, described
In step 10 square plate with a thickness of 2.5mm, having a size of 280mm × 280mm.
Comparative example 4
Weather-proof power cable, including conductor are worn in the compound resistance of one kind, have the first conductor shield on the outside of the conductor,
There is insulating layer on the outside of first conductor shield, also there is the second conductor shield on the outside of the insulating layer, it is described
The second conductor shield outer layer covers matcoveredn；First conductor shield and the second conductor shield is nanometer
The shielding material of grade lead metal compound, the protective layer are coated with hydrophobic film outside；
The shielding material of the nanoscale lead metal compound the preparation method is as follows:
Step 1 uses 0.012 part of atoleine to press mass fraction 1:1 dilution titanate coupling agent NDZ-102 first；
Step 2 again impregnates 0.6 part of carbon fiber wherein, and magnetic agitation is stood；
Step 3 carries out ultrasonication, then dries；
Step 4 is added to 4.5 parts of lead by mass fraction 1:1 dilution titanate coupling agent TMC-TTS with 0.09 part of atoleine
In powder, it is stirred；
Step 5 carries out ultrasonic wave decentralized processing, dry；
Step 6 mixes the carbon fiber pipe handled well and lead powder, carries out hot alkali treatment: first handling under 180 DEG C of hot-airs
2h, the sodium hydroxide solution for being then added 5% impregnate 3h, and it is compound to obtain nanoscale lead metal to neutrality for washing after immersion
Object；
Step 7 adds hyper-dispersant into nanoscale lead metal compound, carries out magnetic agitation, receiving after being dispersed
Meter level lead metal compound, wherein the dosage of the hyper-dispersant is the nanoscale lead metal compound of 2wt%；
250 parts of ethylene-acrylic acid second resin copolymers are melt into flow-like by step 8 on a mill, until ethylene-the third
Olefin(e) acid second resin copolymer melts uniform；
Then step 9 is again added the nanoscale lead metal compound after dispersion and melts uniform ethylene-acrylic acid second rouge
Copolymer is kneaded；
Step 10 carries out microwave treatment, and then with 200 DEG C on vulcanizing press, pressure is flat for 25MPa hot pressing squarely
Plate obtains the shielding material of addition nanoscale lead metal compound.
Wherein, the hyper-dispersant by sodium methylene bis-naphthalene sulfonate and ethylenediamine polyoxyethylene polyethenoxy ether in mass ratio
For 1:1 composition, the conductor is copper conductor, and the thickness of first conductor shield is the second conductor shield thickness
Twice, the magnetic agitation time is 5h in the step 2, and ultrasonic treatment time is 3h, drying time 12h in the step 3,
The ultrasonic wave decentralized processing time is 3h, drying time 12h in the step 5, and mixing time is 3h in the step 9, described
In step 10 square plate with a thickness of 2.5mm, having a size of 280mm × 280mm.
Comparative example 5
Weather-proof power cable, including conductor are worn in the compound resistance of one kind, have the first conductor shield on the outside of the conductor,
There is insulating layer on the outside of first conductor shield, also there is the second conductor shield on the outside of the insulating layer, it is described
The second conductor shield outer layer covers matcoveredn；First conductor shield and the second conductor shield is nanometer
The shielding material of grade lead metal compound, the protective layer are coated with hydrophobic film outside；
The shielding material of the nanoscale lead metal compound the preparation method is as follows:
Step 1 uses 0.012 part of atoleine to press mass fraction 1:1 dilution titanate coupling agent NDZ-102 first；
Step 2 again impregnates 0.6 part of carbon fiber wherein, and magnetic agitation is stood；
Step 3 carries out ultrasonication, then dries；
Step 4 is added to 4.5 parts of lead by mass fraction 1:1 dilution titanate coupling agent TMC-TTS with 0.09 part of atoleine
In powder, it is stirred；
Step 5 carries out ultrasonic wave decentralized processing, dry；
Step 6 mixes the carbon fiber pipe handled well and lead powder, carries out hot alkali treatment: first handling under 180 DEG C of hot-airs
2h, the sodium hydroxide solution for being then added 5% impregnate 3h, and it is compound to obtain nanoscale lead metal to neutrality for washing after immersion
Object；
Step 7 adds hyper-dispersant into nanoscale lead metal compound, carries out magnetic agitation, receiving after being dispersed
Meter level lead metal compound, wherein the dosage of the hyper-dispersant is the nanoscale lead metal compound of 2wt%；
250 parts of ethylene-acrylic acid second resin copolymers are melt into flow-like by step 8 on a mill, until ethylene-the third
Olefin(e) acid second resin copolymer melts uniform；
Then step 9 is again added the nanoscale lead metal compound after dispersion and melts uniform ethylene-acrylic acid second rouge
Copolymer is kneaded；
Step 10 carries out microwave treatment, and then with 200 DEG C on vulcanizing press, pressure is flat for 35MPa hot pressing squarely
Plate obtains the shielding material of addition nanoscale lead metal compound.
Wherein, the hyper-dispersant by sodium methylene bis-naphthalene sulfonate and ethylenediamine polyoxyethylene polyethenoxy ether in mass ratio
For 1:1 composition, the conductor is copper conductor, and the thickness of first conductor shield is the second conductor shield thickness
Twice, the magnetic agitation time is 5h in the step 2, and ultrasonic treatment time is 3h, drying time 12h in the step 3,
The ultrasonic wave decentralized processing time is 3h, drying time 12h in the step 5, and mixing time is 3h in the step 9, described
In step 10 square plate with a thickness of 2.5mm, having a size of 280mm × 280mm.
Following table describes embodiment 1 and the dispersing agent composition and hot press molding pressure of comparative example 1-5 in detail.
Effect is worn in order to verify the resistance of embodiment 1 and comparative example 1-5, the sample of embodiment 1 and comparative example 1-5 are carried out
Breakdown test detects power frequency step by step, carries out power frequency breakdown test step by step, power frequency after carrying out 30d duty cycle to these power cables
Breakdown test result E step by stepb/(kv·mm-1) it is as follows:
The above results show that (1) causes shield effectiveness poor for nanoscale lead metal compound is easy to reunite in the prior art
The technical issues of, the present invention introduces two kinds of dispersing agent collaboration dispersions in nanoscale lead metal compound preparation process, promotes to receive
Meter level lead metal compound realized in ethylene-acrylic acid second resin copolymer it is evenly dispersed, thus make full use of nanoscale this
The characteristics of partial size, improves shield effectiveness and breakdown characteristics；(2) it is directed to the too low technical problem of briquetting pressure in the prior art,
The present invention has found that optimal briquetting pressure is 30MPa by hot pressing pressure during optimization molding, improves than the prior art
10MPa.In addition, being found through experiments that, pressure value is not the bigger the better, and when pressure value reaches 35MPa, excessive hot pressing will
The molding effect of material is bad, resists the ability worn and begins to decline.
Claims (9)
1. weather-proof power cable is worn in a kind of compound resistance, which is characterized in that have first to lead including conductor, on the outside of the conductor
Body shielded layer, the first conductor shield outside have insulating layer, also have the second conductor screen on the outside of the insulating layer
Layer, the second conductor shield outer layer covers matcoveredn are covered, the protective layer is coated with hydrophobic film outside；
First conductor shield and the second conductor shield is the shielding material of nanoscale lead metal compound；
The shielding material of the nanoscale lead metal compound the preparation method is as follows:
Step 1 uses 0.012 part of atoleine to press mass fraction 1:1 dilution titanate coupling agent NDZ-102 first；
Step 2 again impregnates 0.6 part of carbon fiber wherein, and magnetic agitation is stood；
Step 3 carries out ultrasonication, then dries；
Step 4 is added to 4.5 parts of lead powder by mass fraction 1:1 dilution titanate coupling agent TMC-TTS with 0.09 part of atoleine
In, it is stirred；
Step 5 carries out ultrasonic wave decentralized processing, dry；
Step 6 mixes the carbon fiber pipe handled well and lead powder, carries out hot alkali treatment: first handling 2h under 180 DEG C of hot-airs,
Then the sodium hydroxide solution for being added 5% impregnates 3h, and washing obtains nanoscale lead metal compound to neutrality after immersion；
Step 7 adds hyper-dispersant into nanoscale lead metal compound, carries out magnetic agitation, the nanoscale after being dispersed
Lead metal compound, wherein the dosage of the hyper-dispersant is the nanoscale lead metal compound of 2wt%；
250 parts of ethylene-acrylic acid second resin copolymers are melt into flow-like by step 8 on a mill, until ethylene-acrylic acid
Second resin copolymer melts uniform；
Then step 9 is again added the nanoscale lead metal compound after dispersion and melts uniform ethylene-acrylic acid second rouge copolymerization
Object is kneaded；
Step 10 carries out microwave treatment, and then with 200 DEG C on vulcanizing press, pressure is that 30MPa is hot pressed into square plate,
Obtain the shielding material of addition nanoscale lead metal compound.
2. weather-proof power cable is worn in compound resistance according to claim 1, which is characterized in that the hyper-dispersant is by methylene
The double sodium naphthalene sulfonates of base and ethylenediamine polyoxyethylene polyethenoxy ether are that 1:1 is constituted in mass ratio.
3. weather-proof power cable is worn in compound resistance according to claim 1, which is characterized in that the conductor is led for copper
Body.
4. weather-proof power cable is worn in compound resistance according to claim 1, which is characterized in that first conductor shielding
Thickness degree is twice of the second conductor shield thickness.
5. weather-proof power cable is worn in compound resistance according to claim 1, which is characterized in that magnetic force stirs in the step 2
Mixing the time is 4~6h.
6. weather-proof power cable is worn in compound resistance according to claim 1, which is characterized in that ultrasonic wave in the step 3
The processing time is 2~4h, and drying time is 10~14h.
7. weather-proof power cable is worn in compound resistance according to claim 1, which is characterized in that ultrasonic wave in the step 5
The decentralized processing time is 2~4h, and drying time is 10~14h.
8. weather-proof power cable is worn in compound resistance according to claim 1, which is characterized in that when being kneaded in the step 9
Between be 2~4h.
9. weather-proof power cable is worn in compound resistance according to claim 1, which is characterized in that rectangular flat in the step 10
Plate with a thickness of 2.5mm, having a size of 280mm × 280mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910364829.2A CN110079007B (en) | 2019-04-30 | 2019-04-30 | Compound resistant time power cable that wears |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910364829.2A CN110079007B (en) | 2019-04-30 | 2019-04-30 | Compound resistant time power cable that wears |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110079007A true CN110079007A (en) | 2019-08-02 |
| CN110079007B CN110079007B (en) | 2021-08-27 |
Family
ID=67418368
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910364829.2A Active CN110079007B (en) | 2019-04-30 | 2019-04-30 | Compound resistant time power cable that wears |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110079007B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001067934A (en) * | 1999-08-30 | 2001-03-16 | Sumitomo Electric Ind Ltd | Semiconductive tape for power cable and power cable using the same |
| JP2016092381A (en) * | 2014-11-11 | 2016-05-23 | 株式会社フジクラ | Resin composition for shielding electromagnetic waves and cable |
| CN106960701A (en) * | 2017-04-10 | 2017-07-18 | 徐州乐泰机电科技有限公司 | One kind is compound resistance to puncture power cable |
| CN109326374A (en) * | 2018-09-17 | 2019-02-12 | 徐州利恒电气工程有限公司 | Cable is worn in environment-friendly type resistance |
-
2019
- 2019-04-30 CN CN201910364829.2A patent/CN110079007B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001067934A (en) * | 1999-08-30 | 2001-03-16 | Sumitomo Electric Ind Ltd | Semiconductive tape for power cable and power cable using the same |
| JP2016092381A (en) * | 2014-11-11 | 2016-05-23 | 株式会社フジクラ | Resin composition for shielding electromagnetic waves and cable |
| CN106960701A (en) * | 2017-04-10 | 2017-07-18 | 徐州乐泰机电科技有限公司 | One kind is compound resistance to puncture power cable |
| CN109326374A (en) * | 2018-09-17 | 2019-02-12 | 徐州利恒电气工程有限公司 | Cable is worn in environment-friendly type resistance |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110079007B (en) | 2021-08-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Sohi et al. | Dielectric property and electromagnetic interference shielding effectiveness of ethylene vinyl acetate‐based conductive composites: Effect of different type of carbon fillers | |
| CN105086458A (en) | Semi-conducting silicon rubber shielding material for cables | |
| CN107034738A (en) | A kind of high-temperature resistance insulation paper | |
| CN103214747A (en) | Ethylene propylene diene copolymer-based conductive nonlinear insulating material | |
| CN107767989A (en) | A kind of polyether-ether-ketone high pressure flexible direct current transmission of electricity optical fiber compound extruded cable | |
| CN110079007A (en) | Weather-proof power cable is worn in the compound resistance of one kind | |
| CN107354808A (en) | Aramid fiber/polyimide fiber composite-insulating paper of excellent performance and preparation method thereof is worn in a kind of resistance | |
| CN110079006A (en) | Power cable is worn in the compound resistance of one kind | |
| CN106960701B (en) | A kind of compound power cable of resistance to breakdown | |
| CN113684727A (en) | Basalt/aramid paper-based insulating material and production method thereof | |
| KR101393873B1 (en) | Heating fabric and manufacturing method thereof | |
| CN103880326A (en) | Mica paper and production method | |
| CN108154959A (en) | A kind of novel high-pressure transmission of electricity power cable | |
| CN208272040U (en) | A kind of lithium polymer battery increasing graphite cloth | |
| CN110485208A (en) | A kind of composite material and preparation method with electro-magnetic screen function | |
| Zhang et al. | Investigation of electrical and mechanical properties of silicon carbide whisker-hexagonal boron nitride/ethylene propylene diene monomer composites | |
| Zhang et al. | Carbon nanotubes and hexagonal boron nitride nanosheets co‐filled ethylene propylene diene monomer composites: Improved electrical property for cable accessory applications | |
| CN107722420A (en) | A kind of high-tension cable | |
| CN107419607A (en) | A kind of High Strength Carbon Nanotubes conductive paper and preparation method | |
| OuYang et al. | Investigation of electrical properties of ZnO@ Ag/EPDM composites | |
| CN112876855A (en) | Silicon rubber-based composite insulating material with adjustable dielectric constant and preparation method thereof | |
| CN110357492A (en) | It is a kind of to pour material and its preparation method and application entirely for the inorganic of bus | |
| CN104851475B (en) | Insulating material for wires | |
| RU2705360C2 (en) | Insulating element with low electric conductivity, serving for electrical insulation in high-voltage range | |
| CN116041811B (en) | Composite film based on liquid metal reinforced conductive function, preparation method and application |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20210811 Address after: 214000 No. 16, Qidi Road, Zone C, Guanlin town industrial concentration zone, Yixing City, Wuxi City, Jiangsu Province Applicant after: WUXI CITY QUNXING WIRE AND CABLE Co.,Ltd. Address before: 2-3-2a030, second floor, building 3, zone 2, Hexin 2025, Jinan innovation Valley, hi tech Zone, Jinan City, Shandong Province Applicant before: Jinan Kunpeng Technology Development Center |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |