CN106683884A - Multi-component rapeseed oil impregnant for capacitor - Google Patents
Multi-component rapeseed oil impregnant for capacitor Download PDFInfo
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- CN106683884A CN106683884A CN201611147543.1A CN201611147543A CN106683884A CN 106683884 A CN106683884 A CN 106683884A CN 201611147543 A CN201611147543 A CN 201611147543A CN 106683884 A CN106683884 A CN 106683884A
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- CN
- China
- Prior art keywords
- kaolin
- parts
- capacitor
- rapeseed oil
- standby
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- 239000003990 capacitor Substances 0.000 title claims abstract description 31
- 235000019484 Rapeseed oil Nutrition 0.000 title claims abstract description 23
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical class O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 claims abstract description 42
- -1 polyoxypropylene glycerol Polymers 0.000 claims abstract description 10
- 239000001667 (E)-4-furan-2-ylbut-3-en-2-one Substances 0.000 claims abstract description 7
- GBKGJMYPQZODMI-SNAWJCMRSA-N (e)-4-(furan-2-yl)but-3-en-2-one Chemical compound CC(=O)\C=C\C1=CC=CO1 GBKGJMYPQZODMI-SNAWJCMRSA-N 0.000 claims abstract description 7
- 239000004696 Poly ether ether ketone Substances 0.000 claims abstract description 7
- 125000005456 glyceride group Chemical group 0.000 claims abstract description 7
- 238000009413 insulation Methods 0.000 claims abstract description 7
- 229920001495 poly(sodium acrylate) polymer Polymers 0.000 claims abstract description 7
- 229920002530 polyetherether ketone Polymers 0.000 claims abstract description 7
- 239000011347 resin Substances 0.000 claims abstract description 7
- 229920005989 resin Polymers 0.000 claims abstract description 7
- 239000001509 sodium citrate Substances 0.000 claims abstract description 7
- NLJMYIDDQXHKNR-UHFFFAOYSA-K sodium citrate Chemical compound O.O.[Na+].[Na+].[Na+].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O NLJMYIDDQXHKNR-UHFFFAOYSA-K 0.000 claims abstract description 7
- NNMHYFLPFNGQFZ-UHFFFAOYSA-M sodium polyacrylate Chemical compound [Na+].[O-]C(=O)C=C NNMHYFLPFNGQFZ-UHFFFAOYSA-M 0.000 claims abstract description 4
- 235000012211 aluminium silicate Nutrition 0.000 claims description 31
- 239000005995 Aluminium silicate Substances 0.000 claims description 28
- 239000003795 chemical substances by application Substances 0.000 claims description 24
- XBDQKXXYIPTUBI-UHFFFAOYSA-N dimethylselenoniopropionate Natural products CCC(O)=O XBDQKXXYIPTUBI-UHFFFAOYSA-N 0.000 claims description 18
- 239000000203 mixture Substances 0.000 claims description 17
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims description 9
- 238000007654 immersion Methods 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 9
- 235000019260 propionic acid Nutrition 0.000 claims description 9
- IUVKMZGDUIUOCP-BTNSXGMBSA-N quinbolone Chemical compound O([C@H]1CC[C@H]2[C@H]3[C@@H]([C@]4(C=CC(=O)C=C4CC3)C)CC[C@@]21C)C1=CCCC1 IUVKMZGDUIUOCP-BTNSXGMBSA-N 0.000 claims description 9
- 229910052582 BN Inorganic materials 0.000 claims description 6
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 claims description 6
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 6
- 239000008367 deionised water Substances 0.000 claims description 6
- 229910021641 deionized water Inorganic materials 0.000 claims description 6
- 125000003438 dodecyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 claims description 6
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 6
- 239000000194 fatty acid Substances 0.000 claims description 6
- 235000011187 glycerol Nutrition 0.000 claims description 6
- 235000010299 hexamethylene tetramine Nutrition 0.000 claims description 6
- VKYKSIONXSXAKP-UHFFFAOYSA-N hexamethylenetetramine Chemical compound C1N(C2)CN3CN1CN2C3 VKYKSIONXSXAKP-UHFFFAOYSA-N 0.000 claims description 6
- 229960004011 methenamine Drugs 0.000 claims description 6
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical class [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 claims description 6
- 239000000843 powder Substances 0.000 claims description 6
- 238000002360 preparation method Methods 0.000 claims description 6
- ULWHHBHJGPPBCO-UHFFFAOYSA-N propane-1,1-diol Chemical class CCC(O)O ULWHHBHJGPPBCO-UHFFFAOYSA-N 0.000 claims description 6
- 238000003756 stirring Methods 0.000 claims description 6
- 238000010792 warming Methods 0.000 claims description 6
- 229910001928 zirconium oxide Inorganic materials 0.000 claims description 6
- 239000002253 acid Substances 0.000 claims description 4
- 150000001298 alcohols Chemical class 0.000 claims description 3
- 238000001354 calcination Methods 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 3
- 238000001035 drying Methods 0.000 claims description 3
- 238000000227 grinding Methods 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 3
- KWUZCAVKPCRJPO-UHFFFAOYSA-N n-ethyl-4-(6-methyl-1,3-benzothiazol-2-yl)aniline Chemical compound C1=CC(NCC)=CC=C1C1=NC2=CC=C(C)C=C2S1 KWUZCAVKPCRJPO-UHFFFAOYSA-N 0.000 claims description 3
- 125000000446 sulfanediyl group Chemical group *S* 0.000 claims description 3
- 239000002689 soil Substances 0.000 claims 1
- 239000007787 solid Substances 0.000 abstract description 4
- 238000007710 freezing Methods 0.000 abstract description 3
- 230000008014 freezing Effects 0.000 abstract description 3
- 231100000252 nontoxic Toxicity 0.000 abstract description 3
- 230000003000 nontoxic effect Effects 0.000 abstract description 3
- 238000011049 filling Methods 0.000 abstract description 2
- 230000009967 tasteless effect Effects 0.000 abstract description 2
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 abstract 3
- 239000000263 2,3-dihydroxypropyl (Z)-octadec-9-enoate Substances 0.000 abstract 1
- RZRNAYUHWVFMIP-GDCKJWNLSA-N 3-oleoyl-sn-glycerol Chemical compound CCCCCCCC\C=C/CCCCCCCC(=O)OC[C@H](O)CO RZRNAYUHWVFMIP-GDCKJWNLSA-N 0.000 abstract 1
- XBDQKXXYIPTUBI-UHFFFAOYSA-M Propionate Chemical compound CCC([O-])=O XBDQKXXYIPTUBI-UHFFFAOYSA-M 0.000 abstract 1
- RBNPOMFGQQGHHO-UHFFFAOYSA-N glyceric acid Chemical compound OCC(O)C(O)=O RBNPOMFGQQGHHO-UHFFFAOYSA-N 0.000 abstract 1
- RZRNAYUHWVFMIP-UHFFFAOYSA-N monoelaidin Natural products CCCCCCCCC=CCCCCCCCC(=O)OCC(O)CO RZRNAYUHWVFMIP-UHFFFAOYSA-N 0.000 abstract 1
- 230000009972 noncorrosive effect Effects 0.000 abstract 1
- NFHFRUOZVGFOOS-UHFFFAOYSA-N palladium;triphenylphosphane Chemical compound [Pd].C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1 NFHFRUOZVGFOOS-UHFFFAOYSA-N 0.000 abstract 1
- 238000001179 sorption measurement Methods 0.000 abstract 1
- 239000000126 substance Substances 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 10
- 235000019198 oils Nutrition 0.000 description 10
- 235000015112 vegetable and seed oil Nutrition 0.000 description 8
- 239000008158 vegetable oil Substances 0.000 description 8
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- GNPWYHFXSMINJQ-UHFFFAOYSA-N 1,2-dimethyl-3-(1-phenylethyl)benzene Chemical compound C=1C=CC(C)=C(C)C=1C(C)C1=CC=CC=C1 GNPWYHFXSMINJQ-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 150000004996 alkyl benzenes Chemical class 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000002480 mineral oil Substances 0.000 description 2
- 235000010446 mineral oil Nutrition 0.000 description 2
- PKQYSCBUFZOAPE-UHFFFAOYSA-N 1,2-dibenzyl-3-methylbenzene Chemical compound C=1C=CC=CC=1CC=1C(C)=CC=CC=1CC1=CC=CC=C1 PKQYSCBUFZOAPE-UHFFFAOYSA-N 0.000 description 1
- PQTAUFTUHHRKSS-UHFFFAOYSA-N 1-benzyl-2-methylbenzene Chemical compound CC1=CC=CC=C1CC1=CC=CC=C1 PQTAUFTUHHRKSS-UHFFFAOYSA-N 0.000 description 1
- 240000008415 Lactuca sativa Species 0.000 description 1
- 239000004359 castor oil Substances 0.000 description 1
- 235000019438 castor oil Nutrition 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 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
- 238000003837 high-temperature calcination Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000003434 inspiratory effect Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 235000012045 salad Nutrition 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 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
- H01G4/00—Fixed capacitors; Processes of their manufacture
- H01G4/002—Details
- H01G4/018—Dielectrics
- H01G4/20—Dielectrics using combinations of dielectrics from more than one of groups H01G4/02 - H01G4/06
- H01G4/22—Dielectrics using combinations of dielectrics from more than one of groups H01G4/02 - H01G4/06 impregnated
- H01G4/221—Dielectrics using combinations of dielectrics from more than one of groups H01G4/02 - H01G4/06 impregnated characterised by the composition of the impregnant
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
Abstract
The invention discloses a multi-component rapeseed oil impregnant for a capacitor. The multi-component rapeseed oil impregnant for the capacitor is composed of the following substances: rapeseed oil, modified kaolin, furfural acetone resin, fatty glyceride, sodium polyacrylate, polyoxypropylene glycerol ether, polyether-ether-ketone, glyceryl monooleate, propylene glycol, penaerythritol tetrakis[beta-(3,5-di-tert-butyl-4-hydroxyphenyl) propionate] and sodium citrate. The rapeseed oil impregnant provided by the invention has good fluidity and dispersity, the filling and adsorption between solid mediums is better, and the rapeseed oil impregnant has the characteristics of being nontoxic, tasteless, free of bubbles and non-corrosive; and besides, the heat resistant strength and insulation strength are relatively high, the dielectric loss factor can be reduced by about 30%, the freezing point can be lower than 50 DEG C, and the range of use is wider. The impregnant provided by the invention can effectively improve the electrical performance of the capacitor, can increase the service life of the capacitor by more than 20%, and has a very good use value.
Description
Technical field
The present invention relates to a kind of impregnating agent, and in particular to a kind of capacitor multicomponent rapeseed oil impregnating agent.
Background technology
Liquid medium impregnating agent as capacitor one of primary insulation medium, to the space in filled solid medium,
The electrical strength of medium is improved, improves Characteristics of Partial Discharge and radiating condition etc..Oil type liquid is generally used as medium.For
The insulation of oil immersed apparatus, widely used earliest is mineral oil, because it has good thermal conductivity, insulating properties, and price
Cheaply.Nineteen thirties once adopted used flame retardancy insulating oil PCB, because it has toxicity, polluted environment,
Stopped using in the whole world.Thereafter the capacitor impregnant for using both at home and abroad has:Alkylbenzene (AB oil), phenyl xylyl
Ethane (PXE, also known as diarylethane, S oil) and mono-/bis-benzyl toluene (M/DBT is also known as C101).Wherein alkylbenzene be
PCB once adopted a kind of used synthetic insulating oil after prohibitting the use of, its electric physical property is better than mineral oil and price is low
It is honest and clean, but its pumping property is poor, so as to limit the raising of capacitor work field intensity.Phenyl xylyl ethane and mono-/bis-benzyl
The electric durability of base toluene can be excellent, inspiratory good, but they have a kind of niff, often make one to be difficult to bear aborning
Receive.Several impregnating agent above-mentioned are all hypotoxicities and are unable to complete biodegradable.China's Power capacitor industry is led at present
PXE and C101 to be used as impregnating agent.With the requirement of raising and the sustainable development of common people's environmental consciousness, electric property is good
The vegetable oil of good, nontoxic and fully biodegradable turns into the impregnating agent of international academic community concern again.
At present, the vegetable oil impregnating agent that capacitor is used generally castor oil, salad oil etc., always include in usual oils
Some moisture, and these moisture can progressively invade capacitor body during capacitor use, cause capacitor film metal
Pole plate comes off, so that capacity is comparatively fast decayed and failed, reduces the life performance of capacitor, if to these oils in advance through de-
Water process cannot prevent that these oils are secondary to make moist, it is necessary to more complicated equipment, spends larger, additionally, vegetable oil is solidifying
Solid point is higher, is typically not less than -30 DEG C, which limits with vegetable oil as the capacitor of impregnating agent use scope,
The dielectric loss of vegetable oil is of a relatively high simultaneously, further limit the type of the capacitor for making impregnating agent with vegetable oil.
The content of the invention
In order to solve the above problems, the invention provides a kind of capacitor multicomponent rapeseed oil impregnating agent, can improve often
Use defect of the vegetable oil as impregnating agent is advised, and capacitor electrical property can be effectively improved, increase capacitor service life.
The present invention is achieved through the following technical solutions：
A kind of capacitor multicomponent rapeseed oil impregnating agent, is made up of the material of following weight portion：
120 portions of rapeseed oils, 5 parts of modified kaolins, 8 parts of furfural acetone resins, 2 parts of fatty glycerides, 2 parts of Sodium Polyacrylates, 3 parts gather
Oxypropylene glycerin ether, 1.5 parts of polyether-ether-ketones, 1 part of glycerin mono-fatty acid ester, 1 part of propane diols, 1 part four [β-（3,5- di-t-butyl -4-
Hydroxy phenyl）Propionic acid] pentaerythritol ester, 0.5 part of sodium citrate；The modified kaolin is made up of the material of following weight portion：
60 parts of kaolin, 1 part of nm-class boron nitride, 1.5 parts of toughened zirconium oxides, 1 part of methenamine, 2 parts of double lauryls of thio-2 acid,
1.2 parts of TDEs.
Further, the preparation method of the modified kaolin comprises the following steps：
（1）Kaolin is first put into immersion treatment 1.8h in the citric acid solution that mass fraction is 5%, quality is placed into after taking-up
Fraction be 4% hydrochloric acid solution in immersion treatment 1.8h, immersion treatment in the salpeter solution that mass fraction is 3% is placed into after taking-up
1.8h, is rinsed well with deionized water standby after taking-up；Kaolin is processed with three kinds of different acid solutions, can significantly be changed
It is apt to kaolinic surface texture, has effectively dispelled impurity component, its specific surface area is improve more than 8 times；
（2）By step（1）The kaolin of gained calcines 1h in being put into the calcining furnace that temperature is 850 DEG C, then with the liter of 3 DEG C/min
Warm speed carries out warming temperature, and after continuous warming treatment 1h, being drawn off natural cooling, to obtain calcined kaolin standby；To kaolin
High-temperature calcination treatment is carried out, its internal structure is further improved, its physicochemical stability is enhanced, tolerable temperature improves 1.2
Times；
（3）By step（2）The calcined kaolin of gained carries out ball mill grinding, and prepared granular size is that the kaolin powder of 700 mesh is standby
With；
（4）Take step（3）The deionized water of 2.5 times of gained kaolin silty amount, by toughened zirconium oxide, methenamine, thio two
The double lauryls of propionic acid and TDE are added, and are again mixed into kaolin powder, nm-class boron nitride jointly after stirring, with
It is standby that 2500 revs/min of rotating speed stirs into homogeneous paste material；
（5）By step（4）The pastel of gained be put into temperature under conditions of 54 ~ 56 DEG C heat drying to its water content be less than 5%
When get product modified kaolin.
A kind of capacitor preparation method of multicomponent rapeseed oil impregnating agent, comprises the following steps：
（1）Rapeseed oil, modified kaolin, furfural acetone resin, fatty glyceride, Sodium Polyacrylate and polypropylene glycerol aether are total to
With mixing, heating keeping temperature is 50 DEG C, is stirred with 600 revs/min of rotating speed, then stands insulation 15min, is finally cooled down
It is standby mixture A to be obtained to normal temperature；
（2）By polyether-ether-ketone, glycerin mono-fatty acid ester, propane diols, four [β-（3,5- di-tert-butyl-hydroxy phenyls）Propionic acid] season penta
Four alcohol esters and sodium citrate mix jointly, after being stirred with 500 revs/min of rotating speed, obtain mixture B standby；
（3）Mixture A and mixture B are mixed jointly, and is stirred with 1200 revs/min of rotating speed, got product.
The present invention has the advantages that：Modified kaolin has stronger heat-resisting, wear-resisting and absorption property, matches somebody with somebody
The collective effect of remaining composition is closed, absorption, control performance of the impregnating agent to moisture is enhanced, moisture attack capacitor core is reduced
The risk of son, obtained rapeseed oil impregnating agent has filling, the adsorptivity between good mobility and dispersiveness, with solid dielectric
Preferably, and with nontoxic, tasteless, bubble-free, free from corrosion feature, its heat-resisting, dielectric strength is higher, and dielectric loss factor can be reduced
30% or so, freezing point can be wider using scope less than -50 DEG C.Impregnating agent of the present invention can effectively improve capacitor electrical property, can
The service life of capacitor is improved more than 20%, there is good use value.
Specific embodiment
Embodiment 1
A kind of capacitor multicomponent rapeseed oil impregnating agent, is made up of the material of following weight portion：
120 portions of rapeseed oils, 5 parts of modified kaolins, 8 parts of furfural acetone resins, 2 parts of fatty glycerides, 2 parts of Sodium Polyacrylates, 3 parts gather
Oxypropylene glycerin ether, 1.5 parts of polyether-ether-ketones, 1 part of glycerin mono-fatty acid ester, 1 part of propane diols, 1 part four [β-（3,5- di-t-butyl -4-
Hydroxy phenyl）Propionic acid] pentaerythritol ester, 0.5 part of sodium citrate；The modified kaolin is made up of the material of following weight portion：
60 parts of kaolin, 1 part of nm-class boron nitride, 1.5 parts of toughened zirconium oxides, 1 part of methenamine, 2 parts of double lauryls of thio-2 acid,
1.2 parts of TDEs.
Further, the preparation method of the modified kaolin comprises the following steps：
（1）Kaolin is first put into immersion treatment 1.8h in the citric acid solution that mass fraction is 5%, quality is placed into after taking-up
Fraction be 4% hydrochloric acid solution in immersion treatment 1.8h, immersion treatment in the salpeter solution that mass fraction is 3% is placed into after taking-up
1.8h, is rinsed well with deionized water standby after taking-up；
（2）By step（1）The kaolin of gained calcines 1h in being put into the calcining furnace that temperature is 850 DEG C, then with the liter of 3 DEG C/min
Warm speed carries out warming temperature, and after continuous warming treatment 1h, being drawn off natural cooling, to obtain calcined kaolin standby；
（3）By step（2）The calcined kaolin of gained carries out ball mill grinding, and prepared granular size is that the kaolin powder of 700 mesh is standby
With；
（4）Take step（3）The deionized water of 2.5 times of gained kaolin silty amount, by toughened zirconium oxide, methenamine, thio two
The double lauryls of propionic acid and TDE are added, and are again mixed into kaolin powder, nm-class boron nitride jointly after stirring, with
It is standby that 2500 revs/min of rotating speed stirs into homogeneous paste material；
（5）By step（4）The pastel of gained be put into temperature under conditions of 54 ~ 56 DEG C heat drying to its water content be less than 5%
When get product modified kaolin.
A kind of capacitor preparation method of multicomponent rapeseed oil impregnating agent, comprises the following steps：
（1）Rapeseed oil, modified kaolin, furfural acetone resin, fatty glyceride, Sodium Polyacrylate and polypropylene glycerol aether are total to
With mixing, heating keeping temperature is 50 DEG C, is stirred with 600 revs/min of rotating speed, then stands insulation 15min, is finally cooled down
It is standby mixture A to be obtained to normal temperature；
（2）By polyether-ether-ketone, glycerin mono-fatty acid ester, propane diols, four [β-（3,5- di-tert-butyl-hydroxy phenyls）Propionic acid] season penta
Four alcohol esters and sodium citrate mix jointly, after being stirred with 500 revs/min of rotating speed, obtain mixture B standby；
（3）Mixture A and mixture B are mixed jointly, and is stirred with 1200 revs/min of rotating speed, got product.
Comparative example 1
This comparative example 1 compared with Example 1, is not modified treatment to kaolin, i.e., with the common kaolin generation of equivalent
For modified kaolin, composition in addition, method all same.
Control group
Existing vegetable oil impregnating agent.
Performance measurement is carried out to above-mentioned three kinds of impregnating agent, following table is corresponding correction data：
| Embodiment 1 | Comparative example 1 | Control group | |
| Specific insulation（100 DEG C, Ω m） | 6.3×1012 | 6.0×1012 | 5.4×1012 |
| Freezing point（℃） | -53 | -44 | -28 |
| Dielectric strength（KV/2.5mm） | 66 | 61 | 53 |
Claims (3)
1. a kind of capacitor multicomponent rapeseed oil impregnating agent, it is characterised in that be made up of the material of following weight portion：
120 portions of rapeseed oils, 5 parts of modified kaolins, 8 parts of furfural acetone resins, 2 parts of fatty glycerides, 2 parts of Sodium Polyacrylates, 3 parts gather
Oxypropylene glycerin ether, 1.5 parts of polyether-ether-ketones, 1 part of glycerin mono-fatty acid ester, 1 part of propane diols, 1 part four [β-（3,5- di-t-butyl -4-
Hydroxy phenyl）Propionic acid] pentaerythritol ester, 0.5 part of sodium citrate；The modified kaolin is made up of the material of following weight portion：
60 parts of kaolin, 1 part of nm-class boron nitride, 1.5 parts of toughened zirconium oxides, 1 part of methenamine, 2 parts of double lauryls of thio-2 acid,
1.2 parts of TDEs.
2. a kind of capacitor according to claim 1 multicomponent rapeseed oil impregnating agent, it is characterised in that the modified height
The preparation method of ridge soil comprises the following steps：
（1）Kaolin is first put into immersion treatment 1.8h in the citric acid solution that mass fraction is 5%, quality is placed into after taking-up
Fraction be 4% hydrochloric acid solution in immersion treatment 1.8h, immersion treatment in the salpeter solution that mass fraction is 3% is placed into after taking-up
1.8h, is rinsed well with deionized water standby after taking-up；
（2）By step（1）The kaolin of gained calcines 1h in being put into the calcining furnace that temperature is 850 DEG C, then with the liter of 3 DEG C/min
Warm speed carries out warming temperature, and after continuous warming treatment 1h, being drawn off natural cooling, to obtain calcined kaolin standby；
（3）By step（2）The calcined kaolin of gained carries out ball mill grinding, and prepared granular size is that the kaolin powder of 700 mesh is standby
With；
（4）Take step（3）The deionized water of 2.5 times of gained kaolin silty amount, by toughened zirconium oxide, methenamine, thio two
The double lauryls of propionic acid and TDE are added, and are again mixed into kaolin powder, nm-class boron nitride jointly after stirring, with
It is standby that 2500 revs/min of rotating speed stirs into homogeneous paste material；
（5）By step（4）The pastel of gained be put into temperature under conditions of 54 ~ 56 DEG C heat drying to its water content be less than 5%
When get product modified kaolin.
3. a kind of capacitor as claimed in claim 1 preparation method of multicomponent rapeseed oil impregnating agent, it is characterised in that bag
Include following steps：
（1）Rapeseed oil, modified kaolin, furfural acetone resin, fatty glyceride, Sodium Polyacrylate and polypropylene glycerol aether are total to
With mixing, heating keeping temperature is 50 DEG C, is stirred with 600 revs/min of rotating speed, then stands insulation 15min, is finally cooled down
It is standby mixture A to be obtained to normal temperature；
（2）By polyether-ether-ketone, glycerin mono-fatty acid ester, propane diols, four [β-（3,5- di-tert-butyl-hydroxy phenyls）Propionic acid] season penta
Four alcohol esters and sodium citrate mix jointly, after being stirred with 500 revs/min of rotating speed, obtain mixture B standby；
（3）Mixture A and mixture B are mixed jointly, and is stirred with 1200 revs/min of rotating speed, got product.
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