CN105529118A - Application of carbon-rich amorphous thin film in high-voltage resistant insulating material - Google Patents
Application of carbon-rich amorphous thin film in high-voltage resistant insulating material Download PDFInfo
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- CN105529118A CN105529118A CN201511015567.7A CN201511015567A CN105529118A CN 105529118 A CN105529118 A CN 105529118A CN 201511015567 A CN201511015567 A CN 201511015567A CN 105529118 A CN105529118 A CN 105529118A
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- noncrystal membrane
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- 239000011810 insulating material Substances 0.000 title claims abstract description 29
- 229910052799 carbon Inorganic materials 0.000 title claims abstract description 18
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 16
- 239000010409 thin film Substances 0.000 title abstract 3
- 239000011159 matrix material Substances 0.000 claims description 59
- 239000012528 membrane Substances 0.000 claims description 54
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 26
- 238000000151 deposition Methods 0.000 claims description 23
- 239000012774 insulation material Substances 0.000 claims description 23
- 230000008021 deposition Effects 0.000 claims description 20
- 229920001684 low density polyethylene Polymers 0.000 claims description 18
- 239000004702 low-density polyethylene Substances 0.000 claims description 18
- 238000000034 method Methods 0.000 claims description 18
- 239000001257 hydrogen Substances 0.000 claims description 13
- 229910052739 hydrogen Inorganic materials 0.000 claims description 13
- 229910052751 metal Inorganic materials 0.000 claims description 10
- 239000002184 metal Substances 0.000 claims description 10
- 238000002360 preparation method Methods 0.000 claims description 10
- 239000003822 epoxy resin Substances 0.000 claims description 9
- 229920000647 polyepoxide Polymers 0.000 claims description 9
- 239000007789 gas Substances 0.000 claims description 8
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 7
- 238000004140 cleaning Methods 0.000 claims description 6
- 238000001035 drying Methods 0.000 claims description 6
- 150000002431 hydrogen Chemical class 0.000 claims description 6
- 239000004793 Polystyrene Substances 0.000 claims description 4
- 229910010293 ceramic material Inorganic materials 0.000 claims description 4
- 239000011248 coating agent Substances 0.000 claims description 4
- 238000000576 coating method Methods 0.000 claims description 4
- 229920002223 polystyrene Polymers 0.000 claims description 4
- 238000005336 cracking Methods 0.000 claims description 2
- 239000003610 charcoal Substances 0.000 claims 1
- 238000009413 insulation Methods 0.000 abstract description 13
- 230000003746 surface roughness Effects 0.000 abstract description 3
- 239000000463 material Substances 0.000 description 13
- 230000000052 comparative effect Effects 0.000 description 12
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 5
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 239000000446 fuel Substances 0.000 description 3
- 239000002086 nanomaterial Substances 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 2
- 239000012459 cleaning agent Substances 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 239000012212 insulator Substances 0.000 description 2
- 239000011368 organic material Substances 0.000 description 2
- -1 pottery Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 239000010936 titanium Substances 0.000 description 2
- 229910052719 titanium Inorganic materials 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- 229910001339 C alloy Inorganic materials 0.000 description 1
- XMWRBQBLMFGWIX-UHFFFAOYSA-N C60 fullerene Chemical compound C12=C3C(C4=C56)=C7C8=C5C5=C9C%10=C6C6=C4C1=C1C4=C6C6=C%10C%10=C9C9=C%11C5=C8C5=C8C7=C3C3=C7C2=C1C1=C2C4=C6C4=C%10C6=C9C9=C%11C5=C5C8=C3C3=C7C1=C1C2=C4C6=C2C9=C5C3=C12 XMWRBQBLMFGWIX-UHFFFAOYSA-N 0.000 description 1
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910000881 Cu alloy Inorganic materials 0.000 description 1
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 239000004642 Polyimide Substances 0.000 description 1
- 229910001069 Ti alloy Inorganic materials 0.000 description 1
- 238000002679 ablation Methods 0.000 description 1
- HSFWRNGVRCDJHI-UHFFFAOYSA-N alpha-acetylene Natural products C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910003481 amorphous carbon Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910021393 carbon nanotube Inorganic materials 0.000 description 1
- 239000002041 carbon nanotube Substances 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 239000012159 carrier gas Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000000280 densification Methods 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 125000002534 ethynyl group Chemical group [H]C#C* 0.000 description 1
- 229910003472 fullerene Inorganic materials 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000011147 inorganic material Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 238000005268 plasma chemical vapour deposition Methods 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000001294 propane Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 229910010271 silicon carbide Inorganic materials 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B17/00—Insulators or insulating bodies characterised by their form
- H01B17/50—Insulators or insulating bodies characterised by their form with surfaces specially treated for preserving insulating properties, e.g. for protection against moisture, dirt, or the like
-
- 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
- H01B19/04—Treating the surfaces, e.g. applying coatings
Abstract
The invention relates to the technical field of insulation, in particular to an application of a carbon-rich amorphous thin film in a high-voltage resistant insulating material. According to the application of the carbon-rich amorphous thin film, the surface roughness of the insulating material can be lowered; the microstructure surface planarization is achieved; and the flashover voltage is improved, so that the surface insulating property of the insulating material is greatly improved.
Description
Technical field
The present invention relates to insulation technology field, be specifically related to the application of many charcoals noncrystal membrane in high pressure resistant insulation material.
Background technology
Organic and inorganic material is processed to high voltage withstanding insulating material with superior processing characteristics or insulation property, and the test of insulating material high voltage performance generally adopts the mode of test flashover voltage or puncture voltage to carry out.Under action of high voltage, there is disruptive discharge in insulating material surface, and voltage during its electric discharge is called flashover voltage.Occur after flashover, interelectrode voltage quickly falls to zero or close to zero.Spark in flashover passage or electric arc make insulating surface local overheating cause charing, damaging surface insulating properties.This electric discharge along insulator surface is flashover.Electric discharge along insulator inside is then called it is puncture.
Wherein the flashover voltage of organic insulating material is lower, causes surface insulation performance general not high, generally improves surface insulation performance by adding inorganic nano material (such as nano-aluminium oxide) in prior art.Find after deliberation, the limitation of the method is that the addition of inorganic nano material is limited, is generally no more than 3%, this quantity of superelevation, even if increase the amount of inorganic nano material again, the surface insulation performance of organic material not only can not improve, and can decline on the contrary.And as the pottery of inorganic insulating material due to rough surface, its surface insulation performance is also bad.
Because the stock number of carbon is almost unlimited and harmless, so consider resources and environment problem, carbon is a kind of fabulous material.Material with carbon element has multiple interatomic bond and closes form, and multiple crystal structure is known, such as diamond, diamond-like-carbon, graphite, fullerene and carbon nano-tube, especially, the diamond-like-carbon (amorphous carbon) with non crystalline structure, owing to having high mechanical properties and superior chemical stability, is therefore expected to be applied in each industrial circle.
Chinese invention patent CN101448740B " amorphous carbon-film, the method forming amorphous carbon-film, the electroconductive component with amorphous carbon-film and separator for fuel battery " provides the step that using plasma CVD forms amorphous carbon-film, be specially and first base material put into vacuum tank, and introduce reacting gas and carrier gas, then, produce plasma to deposit on base material by electric discharge, base material shell uses and is selected from the materials such as metal, semiconductor, pottery, resin.The example of material comprises metal base such as iron, or as the ferrous alloy of carbon steel, steel alloy and cast iron, aluminum or aluminum alloy, titanium or titanium alloy and copper or copper alloy; Semimetal base material such as silicon; Ceramic base material is hard metal, silicon dioxide, aluminium oxide and carborundum such as; And resin base material such as polyimides, polyamide and Polyethylene terephthalate.Also propose during formation amorphous carbon-film, the surface temperature of base material preferably more than 450 DEG C, more than 500 DEG C or more than 550 DEG C.
A kind of electroconductive component is additionally provided in above-mentioned patented technology, have as separator for fuel battery, described dividing plate comprises metal base and at least covers the amorphous carbon-film of this substrate surface to the surface of electrode, it adopts metal base to have titanium, stainless steel, reaches the technique effect of the abrasion performance of raising separator for fuel battery, lubrification, corrosion resistance.Amorphous carbon-film is applied to electroconductive component by it, utilization be the conductivity of amorphous carbon-film, and intrinsic abrasion performance, lubrification, corrosion resistance.
The application of amorphous carbon-film in high pressure resistant material is yet there are no in prior art.
Summary of the invention
In view of the above-mentioned problems in the prior art, the object of the present invention is to provide the application of many charcoals noncrystal membrane, it can reduce the surface roughness of insulating material, reaches microstructural surfaces planarization, improve its flashover voltage, thus greatly improve the surface insulation performance of insulating material.Another object of the present invention is to the preparation method that this high pressure resistant insulation material is provided.
For achieving the above object, technical scheme of the present invention is: the application of many charcoals noncrystal membrane in high pressure resistant insulation material.
Optimize, described high pressure resistant insulation material is made up of insulating matrix material and many charcoals noncrystal membrane.
Optimize, insulating matrix material adopts organic insulating material or inorganic insulating material.
Optimize, organic insulating material adopts low density polyethylene (LDPE), epoxy resin or crosslinked polystyrene; Inorganic insulating material adopts ceramic material.
Optimize, the thickness of many charcoals noncrystal membrane is 50 ~ 1000nm.
The preparation method comprising the high pressure resistant insulation material of many charcoals noncrystal membrane provided by the invention, its step is as follows: step one, cleaning insulating matrix material; Step 2, dry insulating matrix material; Step 3, at insulating matrix material surface deposition many charcoals noncrystal membrane.
Optimize, deposit many charcoals noncrystal membrane in step 3 and adopt plate electrode method, hollow cathode method, microwave plasma method or high-temperature cracking method.
Optimize, adopt plate electrode method to deposit many charcoals noncrystal membrane, concrete operations are: the insulating matrix material of drying is put into CVD coating machine, metal plate is as electrode, and insulating matrix material distance electrode 40 ~ 100mm, keeps temperature lower than 100 DEG C, vacuumize, pass into carbon source and hydrogen; Electrifying electrodes, gas ionization, namely many charcoals noncrystal membrane is deposited on insulating matrix material.
Optimize, carbon source adopts methane; Be evacuated to 20 ~ 10
-3pa, the volume ratio passing into methane and hydrogen is 1:1 ~ 5, and after passing into methane and hydrogen, air pressure remains on 40 ~ 100Pa; The voltage that electrode passes into is 500 ~ 1000V, and after gas ionization, deposition 20 ~ 100min, stop ionization, namely many charcoals noncrystal membrane is deposited on insulating matrix material, and thickness is 50 ~ 1000nm.
Optimize, insulating matrix material low density polyethylene (LDPE), epoxy resin or crosslinked polystyrene or ceramic material.
Beneficial effect of the present invention is:
1, yet there are no the application of amorphous carbon-film in high pressure resistant material in prior art, the present invention finds that many charcoals noncrystal membrane is applied in high pressure resistant insulation material, the surface roughness of insulating material can be reduced, reach microstructural surfaces planarization, the ablation of insulating material resistance to spark, the surface insulation performance substantially increasing insulating material and high voltage withstanding performance can also be made, the highest flashover voltage of high pressure resistant insulation material that can make improves more than 50 percent, thus greatly improves the surface insulation performance of insulating material.
2, many charcoals noncrystal membrane can improve on the one hand insulating material useful life in the electric field, can also when ensure safety run, reduce the size of power equipment significantly even at double, huge economic benefit and social benefit will be produced.It can be widely used in high voltage electric power equip ment gas-insulated system, gas pipeline cable, High pulse power technology, the electric power system of bullet train, vacuum insulation and the field such as Aeronautics and Astronautics, military affairs.
3, in order to realize the application of many charcoals noncrystal membrane in high pressure resistant insulation material, the invention provides the preparation method of the high pressure resistant insulation material comprising many charcoals noncrystal membrane, with methane (or propane, acetylene etc.), hydrogen is raw material, employing plate electrode method is many charcoals noncrystal membrane of the densification of about 50 ~ 1000nm in insulating material surface deposition a layer thickness, according to research of the present invention, for realizing the high voltage performance improving high pressure resistant insulation material, when preparing high pressure resistant insulation material, insulating matrix material distance electrode need at 40 ~ 100mm, keep temperature lower than 100 DEG C, deposit distance electrode 4-5mm that many charcoals noncrystal membrane adopts in this and prior art in metal surface and up to the temperature of thousands of degree by significant difference.
4, the invention provides the preparation method of the high pressure resistant insulation material comprising many charcoals noncrystal membrane, simple to operate, be easy to realize.
Embodiment
The present invention is illustrated below by embodiment.
The present invention adopts plate electrode method at insulating matrix material surface deposition one deck many charcoals noncrystal membrane, (wherein two for not deposit many charcoals noncrystal membrane to the invention provides two embodiments and six comparative examples, only adopt the blank of insulating matrix material), observe insulating material after depositing many charcoals noncrystal membrane and carry out the test of flashover voltage, and contrast with flashover voltage when only adopting insulating matrix material, flashover voltage is higher, then under high-tension environment, insulating material surface is more stable, more not easily carbonize, its useful life is longer, and surface insulation performance is better.The contrast of concrete preparation method and each embodiment and comparative example is in Table 1-2.
Embodiment 1
The present embodiment adopts low density polyethylene (LDPE) to be insulating matrix material.In the step of this insulating matrix material surface deposition one deck many charcoals noncrystal membrane be:
Step one, cleaning insulating matrix material; Concrete operations are: with ethanol as cleaning agent, insulating matrix material is cleaned 5 minutes in ultrasonic wave, remove the greasy dirt on surface, then clean with pure water.
Step 2, dry insulating matrix material; Concrete operations are: the insulating matrix material after cleaning is put into drying box, dry more than 8 hours at 60 DEG C.
Step 3, adopts plate electrode method at insulating matrix material surface deposition many charcoals noncrystal membrane; Carbon source adopts methane; Concrete operations are: the insulating matrix material of drying is put into CVD coating machine, and metal plate is as electrode, and insulating matrix material distance electrode 50mm, keeps temperature 60 C, be evacuated to 20 ~ 10
-3pa, passes into carbon source and hydrogen, and the volume ratio of methane and hydrogen is 1:1.5, and after passing into methane and hydrogen, air pressure remains on 80Pa; Electrifying electrodes, voltage is 600V, gas ionization, and namely many charcoals noncrystal membrane is deposited on insulating matrix material, and deposition 60min, namely many charcoals noncrystal membrane is deposited on insulating matrix material, and thickness is 100nm.
Comparative example 1
The present embodiment adopts low density polyethylene (LDPE) to be insulating matrix material.At this insulating matrix material surface deposition one deck many charcoals noncrystal membrane.
This comparative example and the difference of embodiment 1 are insulating matrix material distance electrode 5mm in step 3.
Comparative example 2
The present embodiment adopts low density polyethylene (LDPE) to be insulating matrix material.At this insulating matrix material surface deposition one deck many charcoals noncrystal membrane.
This comparative example is to keep temperature 1000 DEG C in step 3 with the difference of embodiment 1.
Comparative example 3
The present embodiment only adopts low density polyethylene (LDPE) to be insulating material, no longer carries out the deposition of many charcoals noncrystal membrane.
Table 1
Embodiment 2
The present embodiment adopts epoxy resin to be insulating matrix material.In the step of this insulating matrix material surface deposition one deck many charcoals noncrystal membrane be:
Step one, cleaning insulating matrix material; Concrete operations are: with ethanol as cleaning agent, insulating matrix material is cleaned 10 minutes in ultrasonic wave, remove the greasy dirt on surface, then clean with pure water.
Step 2, dry insulating matrix material; Concrete operations are: the insulating matrix material after cleaning is put into drying box, dry more than 8 hours at 70 DEG C.
Step 3, adopts plate electrode method at insulating matrix material surface deposition many charcoals noncrystal membrane; Carbon source adopts methane; Concrete operations are: the insulating matrix material of drying is put into CVD coating machine, and metal plate is as electrode, and insulating matrix material distance electrode 60mm, keeps temperature 80 DEG C, be evacuated to 20 ~ 10
-3pa, passes into carbon source and hydrogen, and the volume ratio of methane and hydrogen is 1:2.5, and after passing into methane and hydrogen, air pressure remains on 70Pa; Electrifying electrodes, voltage is 700V, gas ionization, and many charcoals noncrystal membrane starts to be deposited on insulating matrix material, and deposition 50min, namely many charcoals noncrystal membrane is deposited on insulating matrix material, and thickness is 120nm.
Comparative example 4
The present embodiment adopts epoxy resin to be insulating matrix material.At this insulating matrix material surface deposition one deck many charcoals noncrystal membrane.
This comparative example and the difference of embodiment 2 are insulating matrix material distance electrode 5mm in step 3.
Comparative example 5
The present embodiment adopts epoxy resin to be insulating matrix material.At this insulating matrix material surface deposition one deck many charcoals noncrystal membrane.
This comparative example is to keep temperature 1000 DEG C in step 3 with the difference of embodiment 2.
Comparative example 6
The present embodiment only adopts epoxy resin to be insulating material, no longer carries out the deposition of many charcoals noncrystal membrane.
Table 2
Known by the contrast of table 1 and table 2, first no matter to adopt low density polyethylene (LDPE) or adopt epoxy resin to be insulating matrix material, after deposition one deck many charcoals noncrystal membrane, flashover voltage significantly improves, then under high-tension environment, the present invention makes the surface-stable of high pressure resistant insulation material by application many charcoals noncrystal membrane, and not easily carbonize, useful life is longer, surface insulation performance is better, and high voltage performance is good.Then by adopting the Distance geometry depositing temperature of different insulating matrix material and electrode, known, when distance electrode is comparatively near, temperature is higher, the integrality of insulating matrix material is subject to brokenly ring, be difficult to the high pressure resistant insulation material obtaining complete deposition many charcoals noncrystal membrane, affect the application of many charcoals noncrystal membrane, therefore in method provided by the invention to the restriction of the Distance geometry depositing temperature with electrode to being that to realize the application of many charcoals noncrystal membrane in high pressure resistant insulation material significant.
Claims (10)
1. the application of more than charcoal noncrystal membrane in high pressure resistant insulation material.
2. the application of many charcoals noncrystal membrane according to claim 1, is characterized in that: described high pressure resistant insulation material is made up of insulating matrix material and many charcoals noncrystal membrane.
3. the application of many charcoals noncrystal membrane according to claim 2, is characterized in that: insulating matrix material adopts organic insulating material or inorganic insulating material.
4. the application of many charcoals noncrystal membrane according to claim 3, is characterized in that: organic insulating material adopts low density polyethylene (LDPE), epoxy resin or crosslinked polystyrene; Inorganic insulating material adopts ceramic material.
5. the application of many charcoals noncrystal membrane according to claim 4, is characterized in that: the thickness of many charcoals noncrystal membrane is 50 ~ 1000nm.
6. comprise the preparation method of the high pressure resistant insulation material of many charcoals noncrystal membrane, it is characterized in that: its step is as follows:
Step one, cleaning insulating matrix material; Step 2, dry insulating matrix material; Step 3, at insulating matrix material surface deposition many charcoals noncrystal membrane.
7. the preparation method of high pressure resistant insulation material according to claim 6, is characterized in that: deposit many charcoals noncrystal membrane in step 3 and adopt plate electrode method, hollow cathode method, microwave plasma method or high-temperature cracking method.
8. the preparation method of high pressure resistant insulation material according to claim 7, it is characterized in that: adopt plate electrode method to deposit many charcoals noncrystal membrane, concrete operations are: the insulating matrix material of drying is put into CVD coating machine, metal plate is as electrode, insulating matrix material distance electrode 40 ~ 100mm, keep temperature lower than 100 DEG C, vacuumize, pass into carbon source and hydrogen; Electrifying electrodes, gas ionization, namely many charcoals noncrystal membrane is deposited on insulating matrix material.
9. the preparation method of high pressure resistant insulation material according to claim 8, is characterized in that: carbon source adopts methane; Be evacuated to 20 ~ 10
-3pa, the volume ratio passing into methane and hydrogen is 1:1 ~ 5, and after passing into methane and hydrogen, air pressure remains on 40 ~ 100Pa; The voltage that electrode passes into is 500 ~ 1000V, and after gas ionization, deposition 20 ~ 100min, stop ionization, namely many charcoals noncrystal membrane is deposited on insulating matrix material, and thickness is 50 ~ 1000nm.
10. the preparation method of new insulation material according to claim 9, is characterized in that: insulating matrix material low density polyethylene (LDPE), epoxy resin or crosslinked polystyrene or ceramic material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511015567.7A CN105529118B (en) | 2015-12-31 | 2015-12-31 | Application of many charcoal noncrystal membranes in high pressure resistant insulation material |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511015567.7A CN105529118B (en) | 2015-12-31 | 2015-12-31 | Application of many charcoal noncrystal membranes in high pressure resistant insulation material |
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| CN105529118A true CN105529118A (en) | 2016-04-27 |
| CN105529118B CN105529118B (en) | 2017-11-07 |
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