CN106847445A - A kind of preparation method of extra-high voltage combined insulator material - Google Patents
A kind of preparation method of extra-high voltage combined insulator material Download PDFInfo
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B19/00—Apparatus or processes specially adapted for manufacturing insulators or insulating bodies
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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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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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Abstract
The invention discloses a kind of preparation method of extra-high voltage combined insulator material, belong to isolator material preparing technical field.The present invention is modified with organosiloxane to ethylene propylene diene rubber first, strengthen the anti-electric breakdown strength and mechanical strength of rubber, again by sericite etc. and gummy mixed fermentation, increase the active group of solid, so as to improve the compatibility with rubber, mica has stronger anti-electric breakdown strength, titanium dioxide and cadmium sulfide can be utilized respectively ultraviolet and visible ray carrys out decomposing pollutant, montmorillonite can absorb ultraviolet simultaneously, it is aided with the resistance to ag(e)ing that Tea Saponin can increase material again, finally kneaded again, cold moudling is that can obtain extra-high voltage combined insulator material, obtained isolator material of the invention has specific insulation high, the characteristics of dielectric loss is low, the difficult cleaning of conventional insulators material is efficiently solved simultaneously, mechanical strength and electric breakdown strength are undesirable, the not good problem of ageing-resistant performance, have broad application prospects.
Description
Technical field
The invention discloses a kind of preparation method of extra-high voltage combined insulator material, belong to isolator material technology of preparing
Field.
Background technology
With social economy and industrial expansion, power system network is become increasingly complex, and the requirement to power supply reliability is got over
Come higher, in overhead transmission line, isolator material has important effect, be mainly used to support and fixed bus with it is powered
Conductor, and have enough distances with insulation between making energized conductor or between conductor and the earth.The quality of isolator material is to circuit
Safe operation is extremely important.In operation, it should mainly possess following items ability to bear：（1）Bear wire horizontal direction
Pulling force and vertical direction loading；（2）Bear the effect of the mechanical forces such as comprehensive load, long-term work load and conductor galloping；
（3）Bear highfield, power frequency arc electric current, the effect of lightning impulse current；（4）Undergo filth, thunderbolt, Exposure to Sunlight, rain, ice and snow,
The influence of the environmental factor such as high temperature and the temperature difference.
The insulator of current domestic and international application is mainly some intensity high, good manufacturability, reliability porcelain high.Porcelain class
Type mainly has quartzy porcelain, alumina porcelain, alumina porcelain.Conventional insulators material is easily by filthy pollution, it is necessary to spend a large amount of people
Power removes filth on overhead transmission line insulator material, otherwise runs influence line security, and the mechanical strength of isolator material,
Electric breakdown strength and ageing-resistant performance are undesirable.With the fast development of wires and cables industry, to the quality and performance of insulator
It is required that how more and more higher, prepare a kind of existing good electric property, there are enough mechanical strengths again, and cleaning is convenient absolutely
Edge material turns into technical problem urgently to be resolved hurrily at present.
The content of the invention
Present invention mainly solves technical problem：Easily polluted by filth for conventional insulators material, hardly possible is cleared up and machine
The undesirable defect of tool intensity, electric breakdown strength, ageing-resistant performance, there is provided a kind of with the ethylene propylene diene rubber as raw material that insulate, warp
After organic siloxane modified with anti-electric breakdown strength high, then it be aided with mica and strengthen anti-electric breakdown strength, uses nanometer titanium dioxide
The method that titanium and cadmium sulfide prepare extra-high voltage combined insulator material as the soil resistance of photocatalyst raising material, the present invention is first
Ethylene propylene diene rubber is modified with organosiloxane first, strengthens the anti-electric breakdown strength and mechanical strength of rubber, then by thin,tough silk
Mica, titanium dioxide etc. and gummy mixed fermentation, increase the active group of solid, so as to improve the compatibility with rubber, mica
With stronger anti-electric breakdown strength, titanium dioxide and cadmium sulfide can be utilized respectively ultraviolet and visible ray carrys out decomposing pollutant,
Montmorillonite can absorb ultraviolet simultaneously, then is aided with the resistance to ag(e)ing that Tea Saponin can increase material, is finally kneaded again, is cold-pressed into
Type is that can obtain extra-high voltage combined insulator material, and the obtained isolator material of the present invention has that specific insulation is high, dielectric is damaged
The characteristics of consuming low, while it is undesirable, resistance to old to efficiently solve the difficult cleaning of conventional insulators material, mechanical strength and electric breakdown strength
Change the not good problem of performance, have broad application prospects.
In order to solve the above-mentioned technical problem, the technical solution adopted in the present invention is：
（1）Weigh 200~300g ethylene propylene diene rubbers to be added in the there-necked flask for filling 1~2L toluene, flask is placed in oil
In bath, oil bath temperature is controlled for 120~130 DEG C, then to 15~20g silane resin acceptor kh-550s are added in flask, stir molten
After 90~120min of solution, then to 1~3g benzoyl peroxides are added in flask, under nitrogen guard mode, insulated and stirred reacts 3
~4h, question response terminates, and collects product, quiet after 2~5min of stirring mixing to 800~1000mL absolute methanols are added in product
30~40min is put, is filtered, collect gel, it is standby；
（2）200~300g sericites, 10~15g titanium dioxide, 20~30g cadmium sulfides and 60~70g montmorillonites is weighed to be added to
In pulverizer crush after, cross 80~100 mesh sieves, collect sieving, take 200~300g sievings, 60~80g gum arabics and
800~1000mL water is added in beaker, stirring 5~10min of mixing, obtains fermentation substrate, and fermentation substrate is added into fermentation
In tank, then to the bacillus subtilis bacterium powder of fermentation substrate quality 6% is added in fermentation tank, control in fermentation tank temperature for 30~
40 DEG C, ferment 8~10 days；
（3）Above-mentioned fermentation ends are treated, fermentate is taken out and is placed in high-temperature sterilization box, high temperature under the conditions of being 85~95 DEG C in temperature
Sterilizing 5~10min, the material after sterilizing is transferred in centrifuge, with the rotating speed centrifugal treating 5 of 4000~5000r/min~
10min, collects precipitation, and after washing precipitation with water 3~5 times, freeze-drying obtains modified mixed-powder；
（4）Count by weight, weigh 50~60 parts of steps（1）Standby gel, 15~20 parts of above-mentioned modified mixed-powders, 3
~5 parts of Tea Saponins, 0.3~0.5 part of dibutyl tin laurate and 70~80 parts of water are added in flask, are heated to 70~80
DEG C, 60~90min of stirring reaction obtains base-material；
（5）Count by weight, weigh 30~40 parts of above-mentioned base-materials, 0.3~0.5 part of Nano Silver, 1~3 part of zinc stearate, 1~3
Part magnesium silicate, 5~8 parts of nano aluminium oxides and 0.5~0.8 part of silane coupler KH-560 are added in kneading machine, are in temperature
15~20min being kneaded under the conditions of 70~80 DEG C, batch mixing is obtained, batch mixing is placed in cold moudling in mould, control pressure is 12~
15MPa, the press time is 15~20s, you can obtain extra-high voltage combined insulator material.
Application process of the invention is：Extra-high voltage combined insulator material obtained in 5~10 present invention is taken first, will be exhausted
Edge material is connected into insulator chain in the way of series aiding connection with hardware string, and insulator chain spherical end then is equipped with into ball
Head hanging plate, and Bowl-shape Connector is fixed on cross-arm, finally routinely extra high voltage line flooring mode carries out follow-up circuit paving again
Dress operation.After testing, the obtained extra-high voltage combined insulator material voltage carrying capacity of the present invention up to 750~
1500kV, power frequency dry flashover voltage is 395~450kV, and power frequency wet flash-over voltage is 392~440kV, and electric breakdown strength is more traditional
Insulating materials improves 40~60%, while isolator material of the present invention has good mechanical performance, wherein, tensile strength reaches
30~38MPa, bending strength is up to 25~28MPa, and isolator material of the present invention has preferable anti-fouling and self-cleaning function and resistance to old
Change performance, it is easy to clean, circuit operation safety is not interfered with, compared with conventional insulators material, service life extends 5~8
Year.
The beneficial effects of the invention are as follows：
（1）Obtained extra-high voltage combined insulator material of the invention can meet insulator electrical characteristic and mechanical property requirements,
There is anti-fouling and self-cleaning function again, line security will not be hindered to run, it is energy-conserving and environment-protective, pollution-free, with preferable marketing valency
Value；
（2）Preferably, proof voltage is stable for obtained extra-high voltage combined insulator material physical property of the invention, while also having preferable
Ageing-resistant performance, can effectively meet the requirement of extra-high volt circuit fitment material service life.
Specific embodiment
200~300g ethylene propylene diene rubbers are weighed first to be added in the there-necked flask for filling 1~2L toluene, and flask is put
In oil bath pan, control oil bath temperature for 120~130 DEG C, then to 15~20g silane resin acceptor kh-550s are added in flask, stir
After mixing 90~120min of dissolving, then to adding 1~3g benzoyl peroxides, under nitrogen guard mode, insulated and stirred in flask
3~4h of reaction, question response terminates, and collects product, and to 800~1000mL absolute methanols are added in product, stirring mixes 2~5min
Afterwards, 30~40min is stood, gel is collected in filtering, standby；Then weigh 200~300g sericites, 10~15g titanium dioxide,
20~30g cadmium sulfides and 60~70g montmorillonites are added to after crushing in pulverizer, cross 80~100 mesh sieves, collect sieving, are taken
200~300g sievings, 60~80g gum arabics and 800~1000mL water are added in beaker, and stirring mixing 5~
10min, obtains fermentation substrate, and fermentation substrate is added in fermentation tank, then to addition fermentation substrate quality 6% in fermentation tank
Bacillus subtilis bacterium powder, it is 30~40 DEG C to control temperature in fermentation tank, is fermented 8~10 days；Above-mentioned fermentation ends are treated, hair is taken out
Ferment thing is placed in high-temperature sterilization box, 5~10min of high-temperature sterilization under the conditions of being 85~95 DEG C in temperature, by the material after sterilizing
It is transferred in centrifuge, with the rotating speed 5~10min of centrifugal treating of 4000~5000r/min, collects precipitation, precipitation is washed with water
After washing 3~5 times, freeze-drying obtains modified mixed-powder；Count by weight again, weigh 50~60 parts it is above-mentioned standby solidifying
Glue, 15~20 parts of above-mentioned modified mixed-powders, 3~5 parts of Tea Saponins, 0.3~0.5 part of dibutyl tin laurate and 70~80 parts
Water is added in flask, is heated to 70~80 DEG C, and 60~90min of stirring reaction obtains base-material；Finally count by weight, claim
Take 30~40 parts of above-mentioned base-materials, 0.3~0.5 part of Nano Silver, 1~3 part of zinc stearate, 1~3 part of magnesium silicate, 5~8 parts of nano oxygens
Change aluminium and 0.5~0.8 part of silane coupler KH-560 to be added in kneading machine, mixing 15 under the conditions of being 70~80 DEG C in temperature~
20min, obtains batch mixing, and batch mixing is placed in into cold moudling in mould, and control pressure is 12~15MPa, and the press time is 15~
20s, you can obtain extra-high voltage combined insulator material.
Example 1
200g ethylene propylene diene rubbers are weighed first to be added in the there-necked flask for filling 1L toluene, and flask is placed in oil bath pan,
Oil bath temperature is controlled for 120 DEG C, then to addition 15g silane resin acceptor kh-550s in flask, after stirring and dissolving 90min, then to burning
1g benzoyl peroxides are added in bottle, under nitrogen guard mode, insulated and stirred reaction 3h, question response terminates, and collects product, to
800mL absolute methanols are added in product, after stirring mixing 2min, 30min is stood, gel is collected in filtering, standby；Then weigh
200g sericites, 10g titanium dioxide, 20g cadmium sulfides and 60g montmorillonites are added to after crushing in pulverizer, cross 80 mesh sieves, are collected
Sieving, takes 200g sievings, 60g gum arabics and 800mL water and is added in beaker, stirring mixing 5min, is fermented
Substrate, fermentation substrate is added in fermentation tank, then to the bacillus subtilis bacterium of addition fermentation substrate quality 6% in fermentation tank
Powder, it is 30 DEG C to control temperature in fermentation tank, is fermented 8 days；Above-mentioned fermentation ends are treated, fermentate is taken out and is placed in high-temperature sterilization box
In, be transferred to the material after sterilizing in centrifuge, with 4000r/min's by high-temperature sterilization 5min under the conditions of being 85 DEG C in temperature
Rotating speed centrifugal treating 5min, collects precipitation, and after washing precipitation with water 3 times, freeze-drying obtains modified mixed-powder；Press again
Parts by weight meter, weighs 50 parts of above-mentioned standby gels, 15 parts of above-mentioned modified mixed-powders, 3 parts of Tea Saponins, 0.3 part of two bay
Sour dibutyl tin and 70 parts of water are added in flask, are heated to 70 DEG C, and stirring reaction 60min obtains base-material；By weight finally
Number meter, weighs 30 parts of above-mentioned base-materials, 0.3 part of Nano Silver, 1 part of zinc stearate, 1 part of magnesium silicate, 5 parts of nano aluminium oxides and 0.5 part
Silane coupler KH-560 is added in kneading machine, and 15min is kneaded under the conditions of being 70 DEG C in temperature, obtains batch mixing, and batch mixing is put
The cold moudling in mould, control pressure is 12MPa, and the press time is 15s, you can obtain extra-high voltage combined insulator material.
This example operation is easy, when using, extra-high voltage combined insulator material obtained in 5 present invention is taken first, will be exhausted
Edge material is connected into insulator chain in the way of series aiding connection with hardware string, and insulator chain spherical end then is equipped with into ball
Head hanging plate, and Bowl-shape Connector is fixed on cross-arm, finally routinely extra high voltage line flooring mode carries out follow-up circuit paving again
Dress operation.After testing, the obtained extra-high voltage combined insulator material voltage carrying capacity of the present invention is up to 750kV, power frequency
Dry flashover voltage is 395kV, and power frequency wet flash-over voltage is 392kV, and electric breakdown strength improves 40% compared with traditional insulator materials, together
When isolator material of the present invention there is good mechanical performance, wherein, tensile strength reach 30MPa, bending strength reach 25MPa, and
Isolator material of the present invention has preferable anti-fouling and self-cleaning function and ageing-resistant performance, easy to clean, does not interfere with circuit operation
Safety, compared with conventional insulators material, service life is extended 5 years.
Example 2
250g ethylene propylene diene rubbers are weighed first to be added in the there-necked flask for filling 2L toluene, and flask is placed in oil bath pan,
Oil bath temperature is controlled for 125 DEG C, then to addition 18g silane resin acceptor kh-550s in flask, after stirring and dissolving 105min, then to burning
2g benzoyl peroxides are added in bottle, under nitrogen guard mode, insulated and stirred reaction 3h, question response terminates, and collects product, to
900mL absolute methanols are added in product, after stirring mixing 4min, 35min is stood, gel is collected in filtering, standby；Then weigh
250g sericites, 13g titanium dioxide, 25g cadmium sulfides and 65g montmorillonites are added to after crushing in pulverizer, cross 90 mesh sieves, are collected
Sieving, takes 250g sievings, 70g gum arabics and 900mL water and is added in beaker, stirring mixing 8min, is fermented
Substrate, fermentation substrate is added in fermentation tank, then to the bacillus subtilis bacterium of addition fermentation substrate quality 6% in fermentation tank
Powder, it is 35 DEG C to control temperature in fermentation tank, is fermented 9 days；Above-mentioned fermentation ends are treated, fermentate is taken out and is placed in high-temperature sterilization box
In, be transferred to the material after sterilizing in centrifuge, with 4500r/min's by high-temperature sterilization 8min under the conditions of being 90 DEG C in temperature
Rotating speed centrifugal treating 8min, collects precipitation, and after washing precipitation with water 4 times, freeze-drying obtains modified mixed-powder；Press again
Parts by weight meter, weighs 55 parts of above-mentioned standby gels, 18 parts of above-mentioned modified mixed-powders, 4 parts of Tea Saponins, 0.4 part of two bay
Sour dibutyl tin and 75 parts of water are added in flask, are heated to 75 DEG C, and stirring reaction 75min obtains base-material；By weight finally
Number meter, weighs 35 parts of above-mentioned base-materials, 0.4 part of Nano Silver, 2 parts of zinc stearates, 2 parts of magnesium silicates, 6 parts of nano aluminium oxides and 0.7 part
Silane coupler KH-560 is added in kneading machine, and 18min is kneaded under the conditions of being 75 DEG C in temperature, obtains batch mixing, and batch mixing is put
The cold moudling in mould, control pressure is 14MPa, and the press time is 18s, you can obtain extra-high voltage combined insulator material.
This example operation is easy, when using, extra-high voltage combined insulator material obtained in 8 present invention is taken first, will be exhausted
Edge material is connected into insulator chain in the way of series aiding connection with hardware string, and insulator chain spherical end then is equipped with into ball
Head hanging plate, and Bowl-shape Connector is fixed on cross-arm, finally routinely extra high voltage line flooring mode carries out follow-up circuit paving again
Dress operation.After testing, the obtained extra-high voltage combined insulator material voltage carrying capacity of the present invention is up to 1075kV, power frequency
Dry flashover voltage is 425kV, and power frequency wet flash-over voltage is 316kV, and electric breakdown strength improves 50% compared with traditional insulator materials, together
When isolator material of the present invention there is good mechanical performance, wherein, tensile strength reach 34MPa, bending strength reach 27MPa, and
Isolator material of the present invention has preferable anti-fouling and self-cleaning function and ageing-resistant performance, easy to clean, does not interfere with circuit operation
Safety, compared with conventional insulators material, service life is extended 7 years.
Example 3
300g ethylene propylene diene rubbers are weighed first to be added in the there-necked flask for filling 2L toluene, and flask is placed in oil bath pan,
Oil bath temperature is controlled for 130 DEG C, then to addition 20g silane resin acceptor kh-550s in flask, after stirring and dissolving 120min, then to burning
3g benzoyl peroxides are added in bottle, under nitrogen guard mode, insulated and stirred reaction 4h, question response terminates, and collects product, to
1000mL absolute methanols are added in product, after stirring mixing 5min, 40min is stood, gel is collected in filtering, standby；Then weigh
300g sericites, 15g titanium dioxide, 30g cadmium sulfides and 70g montmorillonites are added to after crushing in pulverizer, cross 100 mesh sieves, are received
Collection sieving, takes 300g sievings, 80g gum arabics and 1000mL water and is added in beaker, stirring mixing 10min, obtains
Fermentation substrate, fermentation substrate is added in fermentation tank, then to the bacillus subtilis of addition fermentation substrate quality 6% in fermentation tank
Bacterium bacterium powder, it is 40 DEG C to control temperature in fermentation tank, is fermented 10 days；Above-mentioned fermentation ends are treated, taking-up fermentate is placed in high temperature and goes out
In bacterium case, be transferred to the material after sterilizing in centrifuge, with 5000r/ by high-temperature sterilization 10min under the conditions of being 95 DEG C in temperature
The rotating speed centrifugal treating 10min of min, collects precipitation, and after washing precipitation with water 5 times, freeze-drying obtains modified mixed powder
End；Count by weight again, weigh 60 parts of above-mentioned standby gels, 20 parts of above-mentioned modified mixed-powders, 5 parts of Tea Saponins, 0.5 part
Dibutyl tin laurate and 80 parts of water are added in flask, are heated to 80 DEG C, and stirring reaction 90min obtains base-material；Finally press
Parts by weight meter, weigh 40 parts of above-mentioned base-materials, 0.5 part of Nano Silver, 3 parts of zinc stearates, 3 parts of magnesium silicates, 8 parts of nano aluminium oxides and
0.8 part of silane coupler KH-560 is added in kneading machine, and 20min is kneaded under the conditions of being 80 DEG C in temperature, obtains batch mixing, will be mixed
Material is placed in cold moudling in mould, and control pressure is 15MPa, and the press time is 20s, you can obtain extra-high voltage combined insulator material
Material.
This example operation is easy, when using, extra-high voltage combined insulator material obtained in 10 present invention is taken first, will be exhausted
Edge material is connected into insulator chain in the way of series aiding connection with hardware string, and insulator chain spherical end then is equipped with into ball
Head hanging plate, and Bowl-shape Connector is fixed on cross-arm, finally routinely extra high voltage line flooring mode carries out follow-up circuit paving again
Dress operation.After testing, the obtained extra-high voltage combined insulator material voltage carrying capacity of the present invention is up to 1500kV, power frequency
Dry flashover voltage is 450kV, and power frequency wet flash-over voltage is 440kV, and electric breakdown strength improves 60% compared with traditional insulator materials, together
When isolator material of the present invention there is good mechanical performance, wherein, tensile strength reach 38MPa, bending strength reach 28MPa, and
Isolator material of the present invention has preferable anti-fouling and self-cleaning function and ageing-resistant performance, easy to clean, does not interfere with circuit operation
Safety, compared with conventional insulators material, service life is extended 8 years.
Claims (1)
1. a kind of preparation method of extra-high voltage combined insulator material, it is characterised in that specific preparation process is：
（1）Weigh 200~300g ethylene propylene diene rubbers to be added in the there-necked flask for filling 1~2L toluene, flask is placed in oil
In bath, oil bath temperature is controlled for 120~130 DEG C, then to 15~20g silane resin acceptor kh-550s are added in flask, stir molten
After 90~120min of solution, then to 1~3g benzoyl peroxides are added in flask, under nitrogen guard mode, insulated and stirred reacts 3
~4h, question response terminates, and collects product, quiet after 2~5min of stirring mixing to 800~1000mL absolute methanols are added in product
30~40min is put, is filtered, collect gel, it is standby；
（2）200~300g sericites, 10~15g titanium dioxide, 20~30g cadmium sulfides and 60~70g montmorillonites is weighed to be added to
In pulverizer crush after, cross 80~100 mesh sieves, collect sieving, take 200~300g sievings, 60~80g gum arabics and
800~1000mL water is added in beaker, stirring 5~10min of mixing, obtains fermentation substrate, and fermentation substrate is added into fermentation
In tank, then to the bacillus subtilis bacterium powder of fermentation substrate quality 6% is added in fermentation tank, control in fermentation tank temperature for 30~
40 DEG C, ferment 8~10 days；
（3）Above-mentioned fermentation ends are treated, fermentate is taken out and is placed in high-temperature sterilization box, high temperature under the conditions of being 85~95 DEG C in temperature
Sterilizing 5~10min, the material after sterilizing is transferred in centrifuge, with the rotating speed centrifugal treating 5 of 4000~5000r/min~
10min, collects precipitation, and after washing precipitation with water 3~5 times, freeze-drying obtains modified mixed-powder；
（4）Count by weight, weigh 50~60 parts of steps（1）Standby gel, 15~20 parts of above-mentioned modified mixed-powders, 3
~5 parts of Tea Saponins, 0.3~0.5 part of dibutyl tin laurate and 70~80 parts of water are added in flask, are heated to 70~80
DEG C, 60~90min of stirring reaction obtains base-material；
（5）Count by weight, weigh 30~40 parts of above-mentioned base-materials, 0.3~0.5 part of Nano Silver, 1~3 part of zinc stearate, 1~3
Part magnesium silicate, 5~8 parts of nano aluminium oxides and 0.5~0.8 part of silane coupler KH-560 are added in kneading machine, are in temperature
15~20min being kneaded under the conditions of 70~80 DEG C, batch mixing is obtained, batch mixing is placed in cold moudling in mould, control pressure is 12~
15MPa, the press time is 15~20s, you can obtain extra-high voltage combined insulator material.
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| CN102888059A (en) * | 2012-10-25 | 2013-01-23 | 合保电气（芜湖）有限公司 | Composite insulating material and preparation method thereof |
| CN104637635A (en) * | 2013-11-13 | 2015-05-20 | 许春光 | Insulator manufacturing process |
| CN105017587A (en) * | 2015-07-06 | 2015-11-04 | 安徽创宇电力设备有限公司 | Tear-resistant and wear-resistant flame-retardant insulator |
| CN105924973A (en) * | 2016-06-07 | 2016-09-07 | 内蒙古宝烨电气有限公司 | Novel composite insulating material used in high voltage environment and preparation method thereof |
| CN106065281A (en) * | 2016-07-11 | 2016-11-02 | 中材江西电瓷电气有限公司 | Porcelain core used in composite insulator room temperature vulcanized silicone rubber and preparation method thereof |
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Application publication date: 20170613 |