CN106356206B - A kind of capacitor impregnation liquid and preparation method thereof - Google Patents
A kind of capacitor impregnation liquid and preparation method thereof Download PDFInfo
- Publication number
- CN106356206B CN106356206B CN201610946429.9A CN201610946429A CN106356206B CN 106356206 B CN106356206 B CN 106356206B CN 201610946429 A CN201610946429 A CN 201610946429A CN 106356206 B CN106356206 B CN 106356206B
- Authority
- CN
- China
- Prior art keywords
- parts
- oil
- modified
- soybean oil
- gypsum
- 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.)
- Active
Links
- 239000003990 capacitor Substances 0.000 title claims abstract description 29
- 238000005470 impregnation Methods 0.000 title claims abstract description 22
- 239000007788 liquid Substances 0.000 title claims abstract description 22
- 238000002360 preparation method Methods 0.000 title claims abstract description 8
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 35
- 239000003549 soybean oil Substances 0.000 claims abstract description 33
- 235000012424 soybean oil Nutrition 0.000 claims abstract description 33
- -1 polytetrafluoroethylene Polymers 0.000 claims abstract description 26
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims abstract description 26
- 239000004810 polytetrafluoroethylene Substances 0.000 claims abstract description 26
- 229910052602 gypsum Inorganic materials 0.000 claims abstract description 23
- 239000010440 gypsum Substances 0.000 claims abstract description 23
- 238000012986 modification Methods 0.000 claims abstract description 17
- 230000004048 modification Effects 0.000 claims abstract description 17
- 239000001993 wax Substances 0.000 claims abstract description 17
- 239000004698 Polyethylene Substances 0.000 claims abstract description 14
- 229920000573 polyethylene Polymers 0.000 claims abstract description 14
- 239000002994 raw material Substances 0.000 claims abstract description 13
- PASHVRUKOFIRIK-UHFFFAOYSA-L calcium sulfate dihydrate Chemical class O.O.[Ca+2].[O-]S([O-])(=O)=O PASHVRUKOFIRIK-UHFFFAOYSA-L 0.000 claims abstract description 12
- 239000010495 camellia oil Substances 0.000 claims abstract description 11
- 239000004200 microcrystalline wax Substances 0.000 claims abstract description 8
- 238000000034 method Methods 0.000 claims description 18
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 claims description 15
- 239000003921 oil Substances 0.000 claims description 15
- 235000019198 oils Nutrition 0.000 claims description 15
- 238000001035 drying Methods 0.000 claims description 13
- 238000007654 immersion Methods 0.000 claims description 13
- 244000068988 Glycine max Species 0.000 claims description 11
- 235000010469 Glycine max Nutrition 0.000 claims description 11
- 238000000227 grinding Methods 0.000 claims description 9
- 238000002525 ultrasonication Methods 0.000 claims description 9
- 241000218691 Cupressaceae Species 0.000 claims description 6
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 5
- 235000006408 oxalic acid Nutrition 0.000 claims description 5
- 238000003756 stirring Methods 0.000 claims description 4
- 244000025254 Cannabis sativa Species 0.000 claims description 3
- 229910021578 Iron(III) chloride Inorganic materials 0.000 claims description 3
- 239000006087 Silane Coupling Agent Substances 0.000 claims description 3
- 241000425037 Toona sinensis Species 0.000 claims description 3
- CSKNSYBAZOQPLR-UHFFFAOYSA-N benzenesulfonyl chloride Chemical compound ClS(=O)(=O)C1=CC=CC=C1 CSKNSYBAZOQPLR-UHFFFAOYSA-N 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 3
- 239000007822 coupling agent Substances 0.000 claims description 3
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 claims description 3
- 229920001206 natural gum Polymers 0.000 claims description 3
- 239000012188 paraffin wax Substances 0.000 claims description 3
- 238000002791 soaking Methods 0.000 claims description 3
- 150000001336 alkenes Chemical class 0.000 claims 1
- 239000004615 ingredient Substances 0.000 abstract description 4
- 238000002803 maceration Methods 0.000 description 8
- 239000003963 antioxidant agent Substances 0.000 description 3
- 230000003078 antioxidant effect Effects 0.000 description 3
- 235000006708 antioxidants Nutrition 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 239000005909 Kieselgur Substances 0.000 description 1
- 240000000528 Ricinus communis Species 0.000 description 1
- 235000004443 Ricinus communis Nutrition 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000003064 anti-oxidating effect Effects 0.000 description 1
- 230000003026 anti-oxygenic effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004359 castor oil Substances 0.000 description 1
- 229960001777 castor oil Drugs 0.000 description 1
- 235000019438 castor oil Nutrition 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000003599 detergent Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- ZEMPKEQAKRGZGQ-XOQCFJPHSA-N glycerol triricinoleate Natural products CCCCCC[C@@H](O)CC=CCCCCCCCC(=O)OC[C@@H](COC(=O)CCCCCCCC=CC[C@@H](O)CCCCCC)OC(=O)CCCCCCCC=CC[C@H](O)CCCCCC ZEMPKEQAKRGZGQ-XOQCFJPHSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000002480 mineral oil Substances 0.000 description 1
- 235000010446 mineral oil Nutrition 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G13/00—Apparatus specially adapted for manufacturing capacitors; Processes specially adapted for manufacturing capacitors not provided for in groups H01G4/00 - H01G11/00
- H01G13/04—Drying; Impregnating
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Fats And Perfumes (AREA)
- Medicines Containing Plant Substances (AREA)
Abstract
The present invention relates to a kind of capacitor impregnation liquid and preparation method thereof, are made by weight of following raw material：68 75 parts of tea-seed oil, 22 25 parts of modified soybean oil, 1.25 1.32 parts of microwax, 1 1.2 parts of modification infusorial earth, 0.25 0.4 parts of modified landplaster, 0.78 0.9 parts of polytetrafluoroethylene (PTFE), 1.1 1.4 parts of polyethylene wax；Capacitor impregnation liquid provided by the invention is prepared by basic raw material using tea-seed oil, modified soybean oil, add in the ingredients such as modified diatomite, gypsum, and add in the ingredients such as microwax, polytetrafluoroethylene (PTFE), polyethylene wax, by proportioning, and the cost of raw material is lower, without apparent pollution, performance is relatively stablized.
Description
Technical field
The invention belongs to capacitor manufacture fields, and in particular to a kind of capacitor impregnation liquid and preparation method thereof.
Background technology
Capacitor impregnant is used primarily as dielectric, needs have good cryogenic property, antioxygenic property
Deng, mostly using mineral oil components such as castor oil, add in a small amount of antioxidant is made present capacitor impregnation liquid, but current
The comprehensive performance of capacitor impregnation liquid is poor, and antioxidant and the mobility of low temperature are bad during use, and dampproof effect is also poor,
The performance and service life for causing capacitor decline.
The content of the invention
The present invention provides a kind of capacitor impregnation liquid and preparation method thereof, by reasonably being matched to raw material, and
Ingredient in raw material is modified, makes maceration extract that there is good anti-oxidant and good low temperature flow, can prolong significantly
The service life of long capacitor.
The invention is realized by the following technical scheme：
A kind of capacitor impregnation liquid, is made by weight of following raw material：68-75 parts of tea-seed oil, modified soybean oil 22-25
Part, 1.25-1.32 parts of microwax, 1-1.2 parts of modification infusorial earth, 0.25-0.4 parts of modified landplaster, polytetrafluoroethylene (PTFE) 0.78-
0.9 part, 1.1-1.4 parts of polyethylene wax；
The modification infusorial earth is prepared using following methods：
（1）, diatomite crushed, cross 120 mesh sieves, using drying oven at 225-245 DEG C isothermal holding 45-65min；
（2）, by step（1）The diatomite use quality fraction handled well is 2.5% oxalic acid solution immersion treatment 12-
15h, by the diatomite after immersion at 285-300 DEG C drying process 2-3h, then cooled down with the speed of 2 DEG C/min, drop
Continue to keep the temperature 2-2.5h when temperature is to 190 DEG C, then continue to be cooled to room temperature with 3 DEG C/min in dry environment, carry out Ultramicro-powder
It is broken, obtain modification infusorial earth.
Preferably, the modified landplaster is prepared using following methods：
（1）, gypsum crushed, cross 100 mesh sieves, by broken gypsum using the n-butanol immersion of 3-5 times of gypsum weight at
2-3h is managed, ultrasonication is used in soaking process, isolates gypsum；
（2）, by step（1）Obtained gypsum drying is handled, adds in benzene sulfonyl chloride, the 0.2- of gypsum weight 0.5-0.8%
0.25% phthalate ester coupling agent, the poly-ferric chloride of 0.1-0.12%, are mixed, then using batch mixer under anaerobic
By mixed mixture using ultrasonication 12-15min, then dried, ultramicro grinding, obtain modified gypsum.
Preferably, the modified soybean oil is prepared using following methods：
（1）, soybean oil is heated to 250-255 DEG C, isothermal holding 30-35min, then takes soybean oil weight at this temperature
The toad grass of amount 1-1.2%, which is put into oil, handles 20-25s, pulls residue out；
（2）, to step（1）The cypress root of soybean weight of oil 3.5-4% is added in the soybean oil handled well, and continues to keep the temperature
2-3min pulls cypress root out, removes residue；
（3）, to step（2）Obtained soybean oil continues to keep the temperature 5-10min, is then cooled to 100-108 DEG C, adds in soybean
The Chinese toon natural gum of weight of oil 0.3%, then, is naturally cooling to room temperature, soybean oil is ground, cross 200 mesh sieves；
（4）, to step（3）In add in obtained soybean oil soybean weight of oil 0.25% silane coupling agent WD-65,
0.3% chlorinated paraffin, and ultrasonication 20-25min is used, obtain modified soybean oil.
Further, a kind of preparation method of capacitor impregnation liquid, comprises the following steps：
（1）, polytetrafluoroethylene (PTFE), polyethylene wax be subjected to ultramicro grinding respectively；
（2）, tea-seed oil, modified soybean oil mixed in proportion, add in microwax, be heated to 102-105 DEG C and go forward side by side
Row stirring, makes it be uniformly dispersed；
（3）, by step（1）Polytetrafluoroethylene (PTFE), polyethylene wax and the modification infusorial earth handled well, modified landplaster are in proportion
Add in step（2）In obtained mixture, 120-125 DEG C is heated in a kettle, with 1000-1100r/min stir process
12-15min obtains capacitor impregnation liquid.
Beneficial effects of the present invention：Based on capacitor impregnation liquid provided by the invention is using tea-seed oil, modified soybean oil
Raw material prepare, add in the ingredients such as modified diatomite, gypsum, and add in microwax, polytetrafluoroethylene (PTFE), polyethylene wax etc. into
Point, by proportioning, and the cost of raw material is lower, and without apparent pollution, performance is relatively stablized, mobility during use and anti-
Oxidation susceptibility is excellent, without corrosivity, can effectively avoid the corrosion for occurring to pole plate and housing in use, promote electricity
The service life of container, compared with the maceration extract of existing detergent alkylate matrix, usage time can extend 25-30%, with castor-oil plant
The maceration extract of oil base body is compared, and usage time can extend 28-35%, other experiment detections also turn out, use the original of the present invention
Material, but raw material is modified processing without the method for the present invention, can also substantially reduce the using effect of capacitor, Er Qieben
The cost of invention maceration extract is lower.
Specific embodiment
Embodiment 1
A kind of capacitor impregnation liquid, is made by weight of following raw material：It is 72 parts of tea-seed oil, 23 parts of modified soybean oil, micro-
Brilliant 1.28 parts of wax, 1.1 parts of modification infusorial earth, 0.32 part of modified landplaster, 0.8 part of polytetrafluoroethylene (PTFE), 1.25 parts of polyethylene wax；
The modification infusorial earth is prepared using following methods：
（1）, diatomite crushed, cross 120 mesh sieves, using drying oven at 225-245 DEG C isothermal holding 45-65min；
（2）, by step（1）The diatomite use quality fraction handled well is 2.5% oxalic acid solution immersion treatment 12-
15h, by the diatomite after immersion at 285-300 DEG C drying process 2-3h, then cooled down with the speed of 2 DEG C/min, drop
Continue to keep the temperature 2-2.5h when temperature is to 190 DEG C, then continue to be cooled to room temperature with 3 DEG C/min in dry environment, carry out Ultramicro-powder
It is broken, obtain modification infusorial earth.
Preferably, the modified landplaster is prepared using following methods：
（1）, gypsum crushed, cross 100 mesh sieves, broken gypsum used to the n-butanol immersion treatment of 5 times of gypsum weight
2.5h using ultrasonication in soaking process, isolates gypsum；
（2）, by step（1）Obtained gypsum drying is handled, adds in benzene sulfonyl chloride, 0.22% phthalein of gypsum weight 0.75%
Acid esters coupling agent, 0.1% poly-ferric chloride, are mixed under anaerobic using batch mixer, then by mixed mixing
Object uses ultrasonication 15min, is then dried, ultramicro grinding, obtains modified gypsum.
Preferably, the modified soybean oil is prepared using following methods：
（1）, soybean oil is heated to 252 DEG C, isothermal holding 32min, then takes soybean weight of oil 1.2% at this temperature
Toad grass be put into oil and handle 22s, pull residue out；
（2）, to step（1）The cypress root of soybean weight of oil 3.8% is added in the soybean oil handled well, and continues to keep the temperature
2.5min pulls cypress root out, removes residue；
（3）, to step（2）Obtained soybean oil continues to keep the temperature 8min, is then cooled to 106 DEG C, adds in soybean weight of oil
0.3% Chinese toon natural gum, then, is naturally cooling to room temperature, soybean oil is ground, cross 200 mesh sieves；
（4）, to step（3）In add in obtained soybean oil soybean weight of oil 0.25% silane coupling agent WD-65,
0.3% chlorinated paraffin, and ultrasonication 23min is used, obtain modified soybean oil.
Further, a kind of preparation method of capacitor impregnation liquid, comprises the following steps：
（1）, polytetrafluoroethylene (PTFE), polyethylene wax be subjected to ultramicro grinding respectively；
（2）, tea-seed oil, modified soybean oil mixed in proportion, add in microwax, be heated to 103 DEG C and stirred
It mixes, it is made to be uniformly dispersed；
（3）, by step（1）Polytetrafluoroethylene (PTFE), polyethylene wax and the modification infusorial earth handled well, modified landplaster are in proportion
Add in step（2）In obtained mixture, 123 DEG C are heated in a kettle, with 1100r/min stir process 14min, are obtained
Capacitor impregnation liquid.
Capacitance maceration extract performance is as follows made of the present embodiment：
Dielectric strength 52.4kV/2.5mm, volume resistivity are 6.38 × 1012Ω.m（It is measured at 100 DEG C）, the capacitor longevity
Life can also extend 22.6% than conventional maceration extract.
Embodiment 2
A kind of capacitor impregnation liquid, is made by weight of following raw material：It is 70 parts of tea-seed oil, 23 parts of modified soybean oil, micro-
Brilliant 1.32 parts of wax, 1.15 parts of modification infusorial earth, 0.36 part of modified landplaster, 0.85 part of polytetrafluoroethylene (PTFE), 1.25 parts of polyethylene wax；
The modification infusorial earth is prepared using following methods：
（1）, diatomite crushed, cross 120 mesh sieves, using drying oven at 230 DEG C isothermal holding 60min；
（2）, by step（1）The diatomite use quality fraction handled well is 2.5% oxalic acid solution immersion treatment 13h, will
Diatomite after the immersion drying process 3h at 290 DEG C, is then cooled down with the speed of 2 DEG C/min, when being cooled to 190 DEG C after
Continue insurance temperature 2.2h, then continues to be cooled to room temperature with 3 DEG C/min in dry environment, carries out ultramicro grinding, obtain modified diatom
Soil.
Capacitance maceration extract performance is as follows made of the present embodiment：
Dielectric strength 50.6kV/2.5mm, volume resistivity are 5.98 × 1012Ω.m（It is measured at 100 DEG C）, the capacitor longevity
Life can also extend 19.7% than conventional maceration extract.
Embodiment 3
A kind of capacitor impregnation liquid, is made by weight of following raw material：It is 74 parts of tea-seed oil, 24 parts of modified soybean oil, micro-
Brilliant 1.28 parts of wax, 1.15 parts of modification infusorial earth, 0.28 part of modified landplaster, 0.8 part of polytetrafluoroethylene (PTFE), 1.35 parts of polyethylene wax；
The modification infusorial earth is prepared using following methods：
（1）, diatomite crushed, cross 120 mesh sieves, using drying oven at 242 DEG C isothermal holding 50min；
（2）, by step（1）The diatomite use quality fraction handled well is 2.5% oxalic acid solution immersion treatment 13h, will
Diatomite after the immersion drying process 2.6h at 292 DEG C, is then cooled down with the speed of 2 DEG C/min, when being cooled to 190 DEG C
Continue to keep the temperature 2.3h, then continue to be cooled to room temperature with 3 DEG C/min in dry environment, carry out ultramicro grinding, obtain modified silicon
Diatomaceous earth.
Claims (4)
1. a kind of capacitor impregnation liquid, which is characterized in that be made by weight of following raw material：68-75 parts of tea-seed oil is modified greatly
22-25 parts of soya-bean oil, 1.25-1.32 parts of microwax, 1-1.2 parts of modification infusorial earth, 0.25-0.4 parts of modified landplaster, polytetrafluoroethyl-ne
0.78-0.9 parts of alkene, 1.1-1.4 parts of polyethylene wax；
The modification infusorial earth is prepared using following methods：
（1）, diatomite crushed, cross 120 mesh sieves, using drying oven at 225-245 DEG C isothermal holding 45-65min；
（2）, by step（1）The diatomite use quality fraction handled well is 2.5% oxalic acid solution immersion treatment 12-15h, will
Diatomite after the immersion drying process 2-3h at 285-300 DEG C, is then cooled down with the speed of 2 DEG C/min, is cooled to 190
DEG C when continue to keep the temperature 2-2.5h, then continue to be cooled to room temperature with 3 DEG C/min in dry environment, carry out ultramicro grinding, obtain
Modification infusorial earth.
2. a kind of capacitor impregnation liquid according to claim 1, which is characterized in that the modified landplaster use is with lower section
It is prepared by method：
（1）, gypsum crushed, cross 100 mesh sieves, broken gypsum used to the n-butanol immersion treatment 2- of 3-5 times of gypsum weight
3h using ultrasonication in soaking process, isolates gypsum；
（2）, by step（1）Obtained gypsum drying is handled, adds in benzene sulfonyl chloride, the 0.2-0.25% of gypsum weight 0.5-0.8%
Phthalate ester coupling agent, the poly-ferric chloride of 0.1-0.12%, be mixed under anaerobic using batch mixer, then will be mixed
Then mixture after conjunction is dried, ultramicro grinding using ultrasonication 12-15min, is obtained modified gypsum.
3. a kind of capacitor impregnation liquid according to claim 1 or 2, it is characterised in that：The modified soybean oil use with
It is prepared by lower section method：
（1）, soybean oil is heated to 250-255 DEG C, isothermal holding 30-35min, then takes soybean weight of oil 1- at this temperature
1.2% toad grass, which is put into oil, handles 20-25s, pulls residue out；
（2）, to step（1）The cypress root of soybean weight of oil 3.5-4% is added in the soybean oil handled well, and continues to keep the temperature 2-
3min pulls cypress root out, removes residue；
（3）, to step（2）Obtained soybean oil continues to keep the temperature 5-10min, is then cooled to 100-108 DEG C, adds in soybean oil weight
The Chinese toon natural gum of amount 0.3%, then, is naturally cooling to room temperature, soybean oil is ground, cross 200 mesh sieves；
（4）, to step（3）In add in obtained soybean oil soybean weight of oil 0.25% silane coupling agent WD-65,0.3%
Chlorinated paraffin, and ultrasonication 20-25min is used, obtain modified soybean oil.
4. the preparation method of the capacitor impregnation liquid described in a kind of claim 3, which is characterized in that comprise the following steps：
（1）, polytetrafluoroethylene (PTFE), polyethylene wax be subjected to ultramicro grinding respectively；
（2）, tea-seed oil, modified soybean oil mixed in proportion, add in microwax, be heated to 102-105 DEG C and stirred
It mixes, it is made to be uniformly dispersed；
（3）, by step（1）Polytetrafluoroethylene (PTFE), polyethylene wax and modification infusorial earth, the modified landplaster handled well are proportionally added into
Step（2）In obtained mixture, 120-125 DEG C is heated in a kettle, with 1000-1100r/min stir process 12-
15min obtains capacitor impregnation liquid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610946429.9A CN106356206B (en) | 2016-10-26 | 2016-10-26 | A kind of capacitor impregnation liquid and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610946429.9A CN106356206B (en) | 2016-10-26 | 2016-10-26 | A kind of capacitor impregnation liquid and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106356206A CN106356206A (en) | 2017-01-25 |
| CN106356206B true CN106356206B (en) | 2018-06-01 |
Family
ID=57865051
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610946429.9A Active CN106356206B (en) | 2016-10-26 | 2016-10-26 | A kind of capacitor impregnation liquid and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106356206B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107705984A (en) * | 2017-11-18 | 2018-02-16 | 陈馨雅 | A kind of capacitor impregnation liquid containing tea-seed oil |
| CN108899203A (en) * | 2018-07-12 | 2018-11-27 | 合肥连森裕腾新材料科技开发有限公司 | A kind of high efficient microelectronic device maceration extract |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1139697A (en) * | 1995-05-19 | 1997-01-08 | 埃勒夫阿托化学有限公司 | Crossable dielectric combination |
| CN201387811Y (en) * | 2009-04-15 | 2010-01-20 | 宁波碧彩实业有限公司 | Anti-explosion and flame-proof high-voltage capacitor |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0616460B2 (en) * | 1986-02-03 | 1994-03-02 | 日本石油化学株式会社 | Oil-impregnated capacitor with excellent low-temperature characteristics |
-
2016
- 2016-10-26 CN CN201610946429.9A patent/CN106356206B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1139697A (en) * | 1995-05-19 | 1997-01-08 | 埃勒夫阿托化学有限公司 | Crossable dielectric combination |
| CN201387811Y (en) * | 2009-04-15 | 2010-01-20 | 宁波碧彩实业有限公司 | Anti-explosion and flame-proof high-voltage capacitor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106356206A (en) | 2017-01-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102827675B (en) | Method for preparing environment-friendly insulating oil by taking plant oil or recovered oil as raw materials | |
| CN106356206B (en) | A kind of capacitor impregnation liquid and preparation method thereof | |
| CN101390517B (en) | Kiwi growth cold resistant agent | |
| CN102251702B (en) | Activated powder concrete pole with high strength and high conductivity and making method thereof | |
| CN107057379A (en) | A kind of solid tyre RX and preparation method | |
| CN105107472B (en) | A kind of cellulose base aliphatic acid adsorbent and preparation method | |
| CN105060346B (en) | The self-stabilization dispersion molybdenum trioxide nano preparation method with colloid in a kind of water | |
| CN103943359B (en) | It is a kind of to improve the compound impregnating agent in metallic film capacitor life-span and preparation method thereof | |
| CN106449090B (en) | A kind of environmental protection capacitor impregnation liquid | |
| CN108164395A (en) | A kind of synthetic method of terpinol and its application | |
| CN105219418A (en) | A kind of method adopting municipal sludge to prepare biofuel | |
| CN109438989A (en) | A kind of organic silicon rubber | |
| CN105047257A (en) | Method for preparing compounds containing modified fullerene nanoparticles and plant insulating oil | |
| CN108060003A (en) | A kind of self-emulsifying type vegetable oil/fatty acid aluminium/triethanolamine compound system high efficient demoulding agent | |
| CN106978288A (en) | A kind of handmade soap containing Composition of Meteorite and preparation method thereof | |
| CN107200814B (en) | A kind of preparation method of watersoluble plumbago enol acid resin | |
| CN104403805B (en) | Biodiesel preparation method | |
| CN104971752B (en) | Magnetic catalyst suitable for catalytic oxidation technique and its preparation method and application | |
| CN106520353A (en) | Method for preparing biomass environment-friendly motor lubricating oil | |
| CN111909755B (en) | Preparation method of plant insulating oil for power transformer | |
| CN109319854A (en) | A kind of dedicated sewage-treating agent of rubber processing and preparation method thereof | |
| CN109965105A (en) | A kind of production technology of feed grade liquid natural lutein product | |
| CN106010455B (en) | A kind of hot phase-transition heat-preserving material and its preparation for the heat preservation of winter vinyl house | |
| CN110294864A (en) | A kind of pitch VOC inhibitor based on FCC dead catalyst, suppression cigarette pitch and preparation method thereof | |
| CN113813929B (en) | Preparation method of oil sludge treatment agent |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A capacitor impregnating solution and its preparation method Effective date of registration: 20230221 Granted publication date: 20180601 Pledgee: Ningguo SME financing Company limited by guarantee Pledgor: ANHUI FEIDA ELECTRICAL TECHNOLOGY Co.,Ltd. Registration number: Y2023980033056 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |