CN107266313A - A kind of sorbierite maleate compound and its preparation method and application - Google Patents
A kind of sorbierite maleate compound and its preparation method and application Download PDFInfo
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- CN107266313A CN107266313A CN201710527583.7A CN201710527583A CN107266313A CN 107266313 A CN107266313 A CN 107266313A CN 201710527583 A CN201710527583 A CN 201710527583A CN 107266313 A CN107266313 A CN 107266313A
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- Prior art keywords
- sorbierite
- maleate compound
- preparation
- maleate
- electrolyte
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- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 title claims abstract description 81
- -1 maleate compound Chemical class 0.000 title claims abstract description 68
- 238000002360 preparation method Methods 0.000 title claims abstract description 29
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims abstract description 54
- 239000003792 electrolyte Substances 0.000 claims abstract description 24
- 239000007864 aqueous solution Substances 0.000 claims abstract description 22
- 238000006243 chemical reaction Methods 0.000 claims abstract description 22
- 239000003054 catalyst Substances 0.000 claims abstract description 20
- 239000000243 solution Substances 0.000 claims abstract description 19
- OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 claims abstract description 15
- 230000033228 biological regulation Effects 0.000 claims abstract description 15
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 claims abstract description 15
- 239000011976 maleic acid Substances 0.000 claims abstract description 15
- 239000007788 liquid Substances 0.000 claims abstract description 10
- 238000000746 purification Methods 0.000 claims abstract description 10
- 239000003729 cation exchange resin Substances 0.000 claims abstract description 8
- 238000001816 cooling Methods 0.000 claims abstract description 8
- 230000004044 response Effects 0.000 claims abstract description 8
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 10
- QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid Substances OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 7
- 235000011114 ammonium hydroxide Nutrition 0.000 claims description 6
- 229910021529 ammonia Inorganic materials 0.000 claims description 5
- 238000006555 catalytic reaction Methods 0.000 claims 2
- 239000003795 chemical substances by application Substances 0.000 claims 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims 1
- 230000001476 alcoholic effect Effects 0.000 claims 1
- 239000003990 capacitor Substances 0.000 abstract description 17
- 230000008901 benefit Effects 0.000 abstract description 4
- 230000007423 decrease Effects 0.000 abstract 1
- 150000003839 salts Chemical class 0.000 description 7
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 5
- 229910052782 aluminium Inorganic materials 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 230000005611 electricity Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000002904 solvent Substances 0.000 description 4
- 239000002253 acid Substances 0.000 description 3
- 239000004411 aluminium Substances 0.000 description 2
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 description 2
- 239000004327 boric acid Substances 0.000 description 2
- 150000001735 carboxylic acids Chemical class 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000032050 esterification Effects 0.000 description 2
- 238000005886 esterification reaction Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000009776 industrial production Methods 0.000 description 2
- BDJRBEYXGGNYIS-UHFFFAOYSA-N nonanedioic acid Chemical compound OC(=O)CCCCCCCC(O)=O BDJRBEYXGGNYIS-UHFFFAOYSA-N 0.000 description 2
- 239000012188 paraffin wax Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- CXMXRPHRNRROMY-UHFFFAOYSA-N sebacic acid Chemical compound OC(=O)CCCCCCCCC(O)=O CXMXRPHRNRROMY-UHFFFAOYSA-N 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- OWCLRJQYKBAMOL-UHFFFAOYSA-N 2-butyloctanedioic acid Chemical compound CCCCC(C(O)=O)CCCCCC(O)=O OWCLRJQYKBAMOL-UHFFFAOYSA-N 0.000 description 1
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 229920000305 Nylon 6,10 Polymers 0.000 description 1
- OTRAYOBSWCVTIN-UHFFFAOYSA-N OB(O)O.OB(O)O.OB(O)O.OB(O)O.OB(O)O.N.N.N.N.N.N.N.N.N.N.N.N.N.N.N Chemical compound OB(O)O.OB(O)O.OB(O)O.OB(O)O.OB(O)O.N.N.N.N.N.N.N.N.N.N.N.N.N.N.N OTRAYOBSWCVTIN-UHFFFAOYSA-N 0.000 description 1
- 150000001335 aliphatic alkanes Chemical class 0.000 description 1
- 150000001408 amides Chemical class 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 239000008151 electrolyte solution Substances 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 150000002484 inorganic compounds Chemical class 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 230000000452 restraining effect Effects 0.000 description 1
- 238000007086 side reaction Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/08—Preparation of carboxylic acid esters by reacting carboxylic acids or symmetrical anhydrides with the hydroxy or O-metal group of organic compounds
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G9/00—Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
- H01G9/004—Details
- H01G9/022—Electrolytes; Absorbents
- H01G9/035—Liquid electrolytes, e.g. impregnating materials
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
The present invention relates to technical field of electrolyte, and in particular to a kind of sorbierite maleate compound and its preparation method and application, and the preparation method is：Sorbierite is first heated 125 135 DEG C, after after sorbierite all dissolving, add maleic acid and catalyst, temperature reaction, the aqueous solution is configured to after the cooling of question response liquid, crosses anion-cation exchange resin purification, the aqueous solution after purification is configured to ethylene glycol solution again, vacuumize, pH is to 7.0 7.5 for regulation, and sorbierite maleate compound is made.Sorbierite maleate compound produced by the present invention is used in electrolyte, and its flash over voltage can reach 490V, and electrical conductivity can reach 1.8ms/cm, with good electrochemical properties；Sorbierite maleate compound produced by the present invention is added in electrolyte by 5% amount, capacitor is prepared into, 125 DEG C of resistance to ripples test 1000h, and product, which holds, to decline than not adding product 6%, with resistance to ripple and long-life advantage.
Description
Technical field
The present invention relates to technical field of electrolyte, and in particular to a kind of sorbierite maleate compound and preparation method thereof and
Using.
Background technology
Aluminium electrolutic capacitor is one of base components of electronic product.Continuous improvement and aluminium electricity with Quality of electronic products
The expansion of electrolysis condenser application, higher requirement is proposed to its performance.The electronic products such as Switching Power Supply, electricity-saving lamp are to high pressure
The security performance of electrolytic capacitor requires very high.In filter circuit, capacitor bears high voltage, high ripple current, if feed
It is unstable or apply overvoltage, you can the accident such as to cause the destruction of capacitor, catch fire, burn.Aluminum electrolytic capacitor electrolyte is electricity
Actual negative electrode in container whole work process, the performance to capacitor has a major impact, wherein：Temperature in use scope, work
Life-span, reliability, leakage current, loss, volume change etc. play a decisive role to electrical property.
At present it is known that or medium-high voltage aluminum electrolytic capacitor Working electrolyte, have passed through following development
Process：First, using ethylene glycol as main solvent, the inorganic compound such as boric acid or ammonium pentaborate is main solute.The work electricity so prepared
There is the problem of electrical conductivity is low in solution liquid, and boric acid and its salt easily occur esterification with ethylene glycol at high temperature and generated a large amount of
Condensation water, cause the moisture inside electrolyte to raise, the vapour pressure of electrolyte increase, capacitor internal pressure is raised and caused
Capacitor valve opening fails；2nd, using ethylene glycol as main solvent, using the direct-connected hydrocarbon saturation two such as azelaic acid, decanedioic acid or 12 diacid
Carboxylic acid and its salt are electrolyte solution, and although the electrolyte of this class avoid a part of esterification, but be due to this
Solubility of the linear paraffin of one class in ethylene glycol is smaller, causes the impedance of product larger, easily generates heat and makes under big ripple
Solvent volatilizees, so as to produce vicious circle, causes capacitor withered and fails, while acid amides easily occurs at high temperature for linear paraffin
Change side reaction generation water, also easily cause capacitor initial failure；3rd, using the 1 of some branched acid or its salt, such as report,
6-DDA and its salt and 2- butyl suberic acid and its salt, this kind of branched carboxylic acid and its salt compare straight chain to the solubility of solvent
Alkane increases, thus generates effect to a certain extent, but simultaneously, and this kind of acid or its salt rely primarily on import, thus into
This height and restraining factors are more.
The content of the invention
In order to overcome shortcoming and defect present in prior art, it is an object of the invention to provide a kind of sorbierite Malaysia
The preparation method of acid esters compound, the preparation method technique is simple, convenient operation and control, steady quality, and production efficiency is high, is produced into
This is low, can large-scale industrial production.
It is maleated using the sorbierite another object of the present invention is to provide a kind of sorbierite maleate compound
The electrolyte flash over voltage of thing can reach 490V, and electrical conductivity can reach 1.8ms/cm, with good electrochemical properties, tool
There are high conductivity and super-pressure, can be applied to the manufacture of ultra-high voltage aluminum electrolytic capacitor.
The present invention further an object is that a kind of application of sorbierite maleate compound in electrolyte is provided, by sorb
Alcohol maleate compound is added in electrolyte by 5% amount, is prepared into capacitor, and 125 DEG C of resistance to ripple experiment 1000h, product appearance declines
Than not adding product 6%, with resistance to ripple and long-life advantage.
The purpose of the present invention is achieved through the following technical solutions：A kind of preparation method of sorbierite maleate compound, first
Sorbierite is heated 125-135 DEG C, after after sorbierite all dissolving, maleic acid and catalyst, temperature reaction, question response is added
The aqueous solution is configured to after liquid cooling, anion-cation exchange resin purification is crossed, the aqueous solution after purification is configured to ethylene glycol solution again,
Vacuumize, pH is to 7.0-7.5 for regulation, and sorbierite maleate compound is made.
It is preferred that, the mol ratio of the sorbierite and maleic acid is 1:2.5-3.5.
It is preferred that, the catalyst is the concentrated sulfuric acid that mass fraction is more than 98%.
It is preferred that, the consumption of the catalyst is the 0.15%-0.25% of sorbierite quality.
It is preferred that, the temperature of the reaction is 135-150 DEG C, and the time of reaction is 4-6h.
It is preferred that, the mass fraction of sorbierite maleate compound is 40%-60% in the aqueous solution.
It is preferred that, the mass fraction of sorbierite maleate compound is 15%-25% in the ethylene glycol solution.
It is preferred that, it is described to be evacuated to moisture ＜ 1%；The regulation pH uses ammonia or ammoniacal liquor.
Another object of the present invention is achieved through the following technical solutions：A kind of sorbierite maleate compound, the sorb
Alcohol maleate compound is made according to preparation method described above.
The also purpose of the present invention is achieved through the following technical solutions：A kind of sorbierite maleate compound is in electrolyte
Using.
The beneficial effects of the present invention are：The preparation method technique of the present invention is simple, convenient operation and control, steady quality,
Production efficiency is high, and production cost is low, can large-scale industrial production.
The sorbierite maleate compound of the present invention is used in electrolyte, and its flash over voltage can reach 490V, electrical conductivity
1.8ms/cm can be reached, with good electrochemical properties, there is high conductivity and super-pressure, superelevation is can be applied to
The manufacture of jewelling electrolytic capacitor.
The present invention sorbierite maleate compound electrolyte application, by sorbierite maleate compound press 5% amount
Add in electrolyte, be prepared into capacitor, 125 DEG C of resistance to ripple experiment 1000h, product appearance declines than not adding product 6%, had
Resistance to ripple and long-life advantage.
Embodiment
For the ease of the understanding of those skilled in the art, with reference to embodiment, the present invention is further illustrated, real
The content that the mode of applying is referred to not limitation of the invention.
Embodiment 1
A kind of preparation method of sorbierite maleate compound, first heats 125 DEG C by sorbierite, after sorbierite all dissolves,
Maleic acid and catalyst are added, temperature reaction is configured to the aqueous solution after the cooling of question response liquid, crosses anion-cation exchange resin and carry
Pure, the aqueous solution after purification is configured to ethylene glycol solution again, vacuumizes, and pH is to 7.0 for regulation, sorbierite is made maleated
Thing.
The mol ratio of the sorbierite and maleic acid is 1:2.5.
The catalyst is the concentrated sulfuric acid that mass fraction is 98%.
The consumption of the catalyst is the 0.15% of sorbierite quality.
The temperature of the reaction is 135 DEG C, and the time of reaction is 4h.
The mass fraction of sorbierite maleate compound is 40% in the aqueous solution.
The mass fraction of sorbierite maleate compound is 15% in the ethylene glycol solution.
It is described to be evacuated to moisture ＜ 1%；The regulation pH uses ammonia.
A kind of sorbierite maleate compound, the sorbierite maleate compound is according to preparation method system described above
.
A kind of sorbierite maleate compound is in electrolyte application.
Embodiment 2
A kind of preparation method of sorbierite maleate compound, first heats 128 DEG C by sorbierite, after sorbierite all dissolves,
Maleic acid and catalyst are added, temperature reaction is configured to the aqueous solution after the cooling of question response liquid, crosses anion-cation exchange resin and carry
Pure, the aqueous solution after purification is configured to ethylene glycol solution again, vacuumizes, and pH is to 7.1 for regulation, sorbierite is made maleated
Thing.
The mol ratio of the sorbierite and maleic acid is 1:2.5-3.5.
The catalyst is the concentrated sulfuric acid that mass fraction is 98%.
The consumption of the catalyst is the 0.18% of sorbierite quality.
The temperature of the reaction is 138 DEG C, and the time of reaction is 4.5h.
The mass fraction of sorbierite maleate compound is 45% in the aqueous solution.
The mass fraction of sorbierite maleate compound is 18% in the ethylene glycol solution.
It is described to be evacuated to moisture ＜ 1%；The regulation pH uses ammoniacal liquor.
A kind of sorbierite maleate compound, the sorbierite maleate compound is according to preparation method system described above
.
A kind of sorbierite maleate compound is in electrolyte application.
Embodiment 3
A kind of preparation method of sorbierite maleate compound, first heats 130 DEG C by sorbierite, after sorbierite all dissolves,
Maleic acid and catalyst are added, temperature reaction is configured to the aqueous solution after the cooling of question response liquid, crosses anion-cation exchange resin and carry
Pure, the aqueous solution after purification is configured to ethylene glycol solution again, vacuumizes, and pH is to 7.2 for regulation, sorbierite is made maleated
Thing.
The mol ratio of the sorbierite and maleic acid is 1:3.
The catalyst is the concentrated sulfuric acid that mass fraction is 98%.
The consumption of the catalyst is the 0.2% of sorbierite quality.
The temperature of the reaction is 142 DEG C, and the time of reaction is 5h.
The mass fraction of sorbierite maleate compound is 50% in the aqueous solution.
The mass fraction of sorbierite maleate compound is 20% in the ethylene glycol solution.
It is described to be evacuated to moisture ＜ 1%；The regulation pH uses ammonia.
A kind of sorbierite maleate compound, the sorbierite maleate compound is according to preparation method system described above
.
A kind of sorbierite maleate compound is in electrolyte application.
Embodiment 4
A kind of preparation method of sorbierite maleate compound, first heats 132 DEG C by sorbierite, after sorbierite all dissolves,
Maleic acid and catalyst are added, temperature reaction is configured to the aqueous solution after the cooling of question response liquid, crosses anion-cation exchange resin and carry
Pure, the aqueous solution after purification is configured to ethylene glycol solution again, vacuumizes, and pH is to 7.4 for regulation, sorbierite is made maleated
Thing.
The mol ratio of the sorbierite and maleic acid is 1:3.2.
The catalyst is the concentrated sulfuric acid that mass fraction is 98%.
The consumption of the catalyst is the 0.22% of sorbierite quality.
The temperature of the reaction is 146 DEG C, and the time of reaction is 5.5h.
The mass fraction of sorbierite maleate compound is 55% in the aqueous solution.
The mass fraction of sorbierite maleate compound is 22% in the ethylene glycol solution.
It is described to be evacuated to moisture ＜ 1%；The regulation pH uses ammoniacal liquor.
A kind of sorbierite maleate compound, the sorbierite maleate compound is according to preparation method system described above
.
A kind of sorbierite maleate compound is in electrolyte application.
Embodiment 5
A kind of preparation method of sorbierite maleate compound, first heats 135 DEG C by sorbierite, after sorbierite all dissolves,
Maleic acid and catalyst are added, temperature reaction is configured to the aqueous solution after the cooling of question response liquid, crosses anion-cation exchange resin and carry
Pure, the aqueous solution after purification is configured to ethylene glycol solution again, vacuumizes, and pH is to 7.5 for regulation, sorbierite is made maleated
Thing.
The mol ratio of the sorbierite and maleic acid is 1:3.5.
The catalyst is the concentrated sulfuric acid that mass fraction is 98%.
The consumption of the catalyst is the 0.25% of sorbierite quality.
The temperature of the reaction is 150 DEG C, and the time of reaction is 6h.
The mass fraction of sorbierite maleate compound is 60% in the aqueous solution.
The mass fraction of sorbierite maleate compound is 25% in the ethylene glycol solution.
It is described to be evacuated to moisture ＜ 1%；The regulation pH uses ammonia.
A kind of sorbierite maleate compound, the sorbierite maleate compound is according to preparation method system described above
.
A kind of sorbierite maleate compound is in electrolyte application.
Sorbierite maleate compound produced by the present invention is used in electrolyte, and its flash over voltage can reach 490V, electricity
Conductance can reach 1.8ms/cm, with good electrochemical properties；Sorbierite maleate compound produced by the present invention is pressed
5% amount is added in electrolyte, is prepared into capacitor, and 125 DEG C of resistance to ripples test 1000h, and it is better than not adding product that product appearance declines
6%, with resistance to ripple and long-life advantage.
Above-described embodiment is the present invention preferably implementation, and in addition, the present invention can be realized with other manner,
Any obvious replacement is within protection scope of the present invention on the premise of not departing from present inventive concept.
Claims (10)
1. a kind of preparation method of sorbierite maleate compound, it is characterised in that：Sorbierite is first heated 125-135 DEG C, treated
Sorbierite all after dissolving, adds maleic acid and catalyst, and temperature reaction is configured to the aqueous solution, mistake after the cooling of question response liquid
Anion-cation exchange resin is purified, and the aqueous solution after purification is configured to ethylene glycol solution, vacuumized again, and pH is to 7.0-7.5 for regulation,
Sorbierite maleate compound is made.
2. a kind of preparation method of sorbierite maleate compound according to claim 1, it is characterised in that：The sorb
The mol ratio of alcohol and maleic acid is 1:2.5-3.5.
3. a kind of preparation method of sorbierite maleate compound according to claim 1, it is characterised in that：The catalysis
Agent is the concentrated sulfuric acid that mass fraction is more than 98%.
4. a kind of preparation method of sorbierite maleate compound according to claim 1, it is characterised in that：The catalysis
The consumption of agent is the 0.15%-0.25% of sorbierite quality.
5. a kind of preparation method of sorbierite maleate compound according to claim 1, it is characterised in that：The reaction
Temperature be 135-150 DEG C, time of reaction is 4-6h.
6. a kind of preparation method of sorbierite maleate compound according to claim 1, it is characterised in that：It is described water-soluble
The mass fraction of sorbierite maleate compound is 40%-60% in liquid.
7. a kind of preparation method of sorbierite maleate compound according to claim 1, it is characterised in that：The second two
The mass fraction of sorbierite maleate compound is 15%-25% in alcoholic solution.
8. a kind of preparation method of sorbierite maleate compound according to claim 1, it is characterised in that：It is described to take out true
It is empty to moisture ＜ 1%；The regulation pH uses ammonia or ammoniacal liquor.
9. a kind of sorbierite maleate compound, it is characterised in that：The sorbierite maleate compound is according to claim 1-8
Preparation method described in any one is made.
10. a kind of sorbierite maleate compound as claimed in claim 9 is in the application of electrolyte.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111139111A (en) * | 2019-12-23 | 2020-05-12 | 安徽鑫固环保股份有限公司 | Comb type coal water slurry additive and preparation method thereof |
| CN113880265A (en) * | 2021-10-25 | 2022-01-04 | 青岛大学 | Phosphorus-free corrosion and scale inhibitor and preparation method thereof |
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|---|---|---|---|---|
| CN101866752A (en) * | 2010-06-23 | 2010-10-20 | 深圳清华大学研究院 | Electrolyte for driving ultrahigh voltage large-sized aluminium electrolytic capacitor and solute thereof |
| CN105513801A (en) * | 2015-12-22 | 2016-04-20 | 东莞市久制电子有限公司 | High temperature resistant, ripple resistant, and long life electrolyte for aluminium electrolytic capacitor and preparation method thereof |
| CN106631779A (en) * | 2016-08-31 | 2017-05-10 | 山东金昌树新材料科技有限公司 | Polyol ester and application of same to processing of halogenated vinyl polymer |
-
2017
- 2017-06-30 CN CN201710527583.7A patent/CN107266313A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101866752A (en) * | 2010-06-23 | 2010-10-20 | 深圳清华大学研究院 | Electrolyte for driving ultrahigh voltage large-sized aluminium electrolytic capacitor and solute thereof |
| CN105513801A (en) * | 2015-12-22 | 2016-04-20 | 东莞市久制电子有限公司 | High temperature resistant, ripple resistant, and long life electrolyte for aluminium electrolytic capacitor and preparation method thereof |
| CN106631779A (en) * | 2016-08-31 | 2017-05-10 | 山东金昌树新材料科技有限公司 | Polyol ester and application of same to processing of halogenated vinyl polymer |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111139111A (en) * | 2019-12-23 | 2020-05-12 | 安徽鑫固环保股份有限公司 | Comb type coal water slurry additive and preparation method thereof |
| CN113880265A (en) * | 2021-10-25 | 2022-01-04 | 青岛大学 | Phosphorus-free corrosion and scale inhibitor and preparation method thereof |
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Application publication date: 20171020 |
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