CN106433907A - Anti-aging nano-modified transformer insulating oil containing ursolic acid and preparation method of anti-aging nano-modified transformer insulating oil containing ursolic acid - Google Patents
Anti-aging nano-modified transformer insulating oil containing ursolic acid and preparation method of anti-aging nano-modified transformer insulating oil containing ursolic acid Download PDFInfo
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- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M169/00—Lubricating compositions characterised by containing as components a mixture of at least two types of ingredient selected from base-materials, thickeners or additives, covered by the preceding groups, each of these compounds being essential
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- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/02—Hydroxy compounds
- C10M2207/023—Hydroxy compounds having hydroxy groups bound to carbon atoms of six-membered aromatic rings
- C10M2207/024—Hydroxy compounds having hydroxy groups bound to carbon atoms of six-membered aromatic rings having at least two phenol groups but no condensed ring
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- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/10—Carboxylix acids; Neutral salts thereof
- C10M2207/12—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms
- C10M2207/125—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of eight up to twenty-nine carbon atoms, i.e. fatty acids
- C10M2207/126—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of eight up to twenty-nine carbon atoms, i.e. fatty acids monocarboxylic
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- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/10—Carboxylix acids; Neutral salts thereof
- C10M2207/12—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms
- C10M2207/125—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of eight up to twenty-nine carbon atoms, i.e. fatty acids
- C10M2207/128—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of eight up to twenty-nine carbon atoms, i.e. fatty acids containing hydroxy groups; Ethers thereof
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- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/40—Fatty vegetable or animal oils
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- C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
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- C10M2215/182—Azo compounds
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- C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
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- C10M2227/00—Organic non-macromolecular compounds containing atoms of elements not provided for in groups C10M2203/00, C10M2207/00, C10M2211/00, C10M2215/00, C10M2219/00 or C10M2223/00 as ingredients in lubricant compositions
- C10M2227/04—Organic non-macromolecular compounds containing atoms of elements not provided for in groups C10M2203/00, C10M2207/00, C10M2211/00, C10M2215/00, C10M2219/00 or C10M2223/00 as ingredients in lubricant compositions having a silicon-to-carbon bond, e.g. organo-silanes
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- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
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Abstract
The invention discloses anti-aging nano-modified transformer insulating oil containing ursolic acid. The transformer insulating oil is prepared from the following raw materials in parts by weight: 1000-1500 parts of mineral base oil, 0.5-1 part of ursolic acid, 0.05-0.1 parts of zinc diricinoleate, 0.15-0.25 parts of a silane coupling agent KH-570, 0.01-0.015 parts of azobisisobutyronitrile, 0.5-1 part of methyl methacrylate, 0.05-0.1 parts of propyl gallate, 5-10 parts of turpentine, 0.5-1 part of nano-alumina, 1-1.5 parts of 2,6-di-tert-butylphenol and 0.5-1 part of benzotriazole. The transformer insulating oil has outstanding stability and insulating performance, can be stored for a long time while keeping good performance, is good in anti-aging performance and long in service life and has higher practical value.
Description
Technical field
The present invention relates to transformer oil technical field, more particularly, to a kind of ageing-resistant nano modification transformer containing ursolic acid
Insulating oil and preparation method thereof.
Background technology
Paper oil insulation is a kind of typical liquid-solid composite insulation, has a wide range of applications in oil-filled transformer.With
Voltage class of electric power system and the continuous lifting of transmission capacity, oil-paper combination insulation has been increasingly difficult to meet voltage levels
To Large Copacity, miniaturization, high stability insulation system requirement.In order to lift the performance of transformer insulating system, how to improve
The insulation characterisitic of dielectric has become as one of current study hotspot.Transformer oil is that important insulation in transformer is situated between
Matter, seeks to improve the effective way of transformer oil insulating properties and heat dispersion, to the efficiency improving transformer station high-voltage side bus and safety
Reliability is significant.
At present, for improving the performance of insulating materials, introducing nanometer technology in insulating materials field is an important development
Direction.Wherein, the research of nano modification transformer oil brings new raising to traditional transformer oilpaper composite insulation structure
Space.Document《The insulating properties of semi-conductor nano particles modification transformer oil and Mechanism Study》Using nano-particle TiO2To change
Depressor oil is modified, and finds that the addition of nano-particle can significantly improve the insulation characterisitic of transformer oil.But in practical application,
Nano particle is susceptible to reunite, and leads to the reduction of reliability.The dispersion to nano-particle for the conventional surfactant facture
The improvement of property and stability is limited, and the insulating properties of nano modification transformer oil can be had a negative impact.Therefore, how
Take into account dispersion in transformer oil for the nano-particle, stability and insulating properties, become the current major issue needing and solving.
Content of the invention
The object of the invention is exactly the defect in order to make up prior art, provides one kind to take into account nano-particle dispersion, stability
And the ageing-resistant nano modification transformer insulation oil containing ursolic acid of superior isolation performance and preparation method thereof.
The present invention is achieved by the following technical solutions:
A kind of ageing-resistant nano modification transformer insulation oil containing ursolic acid, it is to be obtained by the raw material of following weight parts:
Mineral base oil 1000-1500, ursolic acid 0.5-1, zinc ricinate 0.05-0.1, Silane coupling reagent KH-570 0.15-
0.25, azodiisobutyronitrile 0.01-0.015, methyl methacrylate 0.5-1, propylgallate 0.05-0.1, turpentine oil 5-
10, nano aluminium oxide 0.5-1,2,6- DI-tert-butylphenol compounds 1-1.5, BTA 0.5-1.
A kind of preparation method of the ageing-resistant nano modification transformer insulation oil containing ursolic acid, comprises the following steps:
(1)By Silane coupling reagent KH-570 by weight 1:100-1:150 are mixed with absolute ethyl alcohol, are subsequently adding nano oxygen
Change aluminium ultrasonic disperse 5-10min, then in 40-50 DEG C stir 1-2h, centrifugation after cooling, by the solid particle obtaining in
90-100 DEG C of drying and processing 10-15min;
(2)By step(1)In the material that obtains by weight 1:40-1:50 are mixed with absolute ethyl alcohol and ultrasonic disperse 10-
20min, is then slowly added to methyl methacrylate and azodiisobutyronitrile successively and stirs anti-in 60-70 DEG C under nitrogen protection
Answer 2-4h, centrifugation after cooling, the solid particle obtaining is used again absolute ethyl alcohol cyclic washing 2-4 time;
(3)First ursolic acid, zinc ricinate and turpentine oil are mixed and add in mineral base oil after being incorporated in 50-60 DEG C of stirring 1-2h
Stir, add step(2)In material and remaining raw material ultrasonic disperse uniformly, then carry out refined filtration and remove impurity,
Eventually pass vacuum dehydration degassing, obtain final product the ageing-resistant nano modification transformer insulation oil containing ursolic acid.
It is an advantage of the invention that:
The present invention carries out surface silanization by Silane coupling reagent KH-570 to nano-particle, then grafted methacrylic acid first
Ester, can substantially increase sterically hindered between nano-particle, effectively reduce the mutual aggtegation of nano-particle, improve nanoparticle
Sub dispersiveness in transformer oil and stability, improve the insulating properties of nano-particle simultaneously;By raw materials such as ursolic acid
Compound synergic, is effectively improved the ageing-resistant performance of transformer oil, and the transformer insulation oil being obtained after being combined with remaining raw material is had concurrently
There are excellent stability and insulating properties, can store for a long time and keep good performance, ageing-resistant performance is good, using the longevity simultaneously
Life length, has higher practical value.
Specific embodiment
A kind of ageing-resistant nano modification transformer insulation oil containing ursolic acid, by the component raw material preparation of following weight (kg)
Form:
Mineral base oil 1000, ursolic acid 0.5, zinc ricinate 0.05, Silane coupling reagent KH-570 0.15, azo two isobutyl
Nitrile 0.01, methyl methacrylate 0.5, propylgallate 0.05, turpentine oil 5, nano aluminium oxide 0.5,2,6- di-t-butyl
Phenol 1, BTA 0.5.
A kind of preparation method of the ageing-resistant nano modification transformer insulation oil containing ursolic acid, comprises the following steps:
(1)By Silane coupling reagent KH-570 by weight 1:100 are mixed with absolute ethyl alcohol, are subsequently adding nano aluminium oxide and surpass
Sound disperses 5min, then stirs 1h in 40 DEG C, centrifugation after cooling, by the solid particle obtaining in 90 DEG C of drying and processings
10min;
(2)By step(1)In the material that obtains by weight 1:40 are mixed with absolute ethyl alcohol and ultrasonic disperse 10min, then nitrogen
It is slowly added to methyl methacrylate and azodiisobutyronitrile stirring reaction 2h successively in 60 DEG C under gas shielded, be centrifuged after cooling
Separate, the solid particle obtaining is used absolute ethyl alcohol cyclic washing 2 times again;
(3)First ursolic acid, zinc ricinate and turpentine oil are mixed to add in mineral base oil after being incorporated in 50 DEG C of stirring 1h and stir
Uniformly, add step(2)In material and remaining raw material ultrasonic disperse uniformly, then carry out refined filtration and remove impurity, finally
Through vacuum dehydration degassing, obtain final product the ageing-resistant nano modification transformer insulation oil containing ursolic acid.
Above-mentioned mineral base oil chooses sinopec HVI Ia 60 base oil.
Through inspection, above-mentioned prepared transformer insulation oil performance is as follows:
Average frequency breakdown voltage:85.2kV;
Dielectric dissipation factor(90℃):0.00068;
185 DEG C, the heat ageing of 12 weeks process after dielectric dissipation factor(90℃):0.0196;
Standing still kept transparent clarification after 1 year, no precipitated.
Claims (2)
1. a kind of ageing-resistant nano modification transformer insulation oil containing ursolic acid is it is characterised in that it is by following weight parts
Raw material is obtained:
Mineral base oil 1000-1500, ursolic acid 0.5-1, zinc ricinate 0.05-0.1, Silane coupling reagent KH-570 0.15-
0.25, azodiisobutyronitrile 0.01-0.015, methyl methacrylate 0.5-1, propylgallate 0.05-0.1, turpentine oil 5-
10, nano aluminium oxide 0.5-1,2,6- DI-tert-butylphenol compounds 1-1.5, BTA 0.5-1.
2. the preparation method of a kind of ageing-resistant nano modification transformer insulation oil containing ursolic acid according to claim 1,
It is characterized in that, comprise the following steps:
(1)By Silane coupling reagent KH-570 by weight 1:100-1:150 are mixed with absolute ethyl alcohol, are subsequently adding nano oxygen
Change aluminium ultrasonic disperse 5-10min, then in 40-50 DEG C stir 1-2h, centrifugation after cooling, by the solid particle obtaining in
90-100 DEG C of drying and processing 10-15min;
(2)By step(1)In the material that obtains by weight 1:40-1:50 are mixed with absolute ethyl alcohol and ultrasonic disperse 10-
20min, is then slowly added to methyl methacrylate and azodiisobutyronitrile successively and stirs anti-in 60-70 DEG C under nitrogen protection
Answer 2-4h, centrifugation after cooling, the solid particle obtaining is used again absolute ethyl alcohol cyclic washing 2-4 time;
(3)First ursolic acid, zinc ricinate and turpentine oil are mixed and add in mineral base oil after being incorporated in 50-60 DEG C of stirring 1-2h
Stir, add step(2)In material and remaining raw material ultrasonic disperse uniformly, then carry out refined filtration and remove impurity,
Eventually pass vacuum dehydration degassing, obtain final product the ageing-resistant nano modification transformer insulation oil containing ursolic acid.
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106675733A (en) * | 2017-01-05 | 2017-05-17 | 广东美商工业材料有限公司 | Capacitor oil applied to oil-immersed capacitor and preparation method of capacitor oil |
CN111925762A (en) * | 2020-08-31 | 2020-11-13 | 广州市白云化工实业有限公司 | Epoxy resin adhesive and application thereof |
Citations (1)
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CN105779094A (en) * | 2016-04-26 | 2016-07-20 | 苏州思创源博电子科技有限公司 | Method for preparing transformer insulating heat conduction oil |
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2016
- 2016-09-19 CN CN201610830686.6A patent/CN106433907A/en not_active Withdrawn
Patent Citations (1)
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CN105779094A (en) * | 2016-04-26 | 2016-07-20 | 苏州思创源博电子科技有限公司 | Method for preparing transformer insulating heat conduction oil |
Non-Patent Citations (3)
Title |
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惠晓霞 等: "《国外燃料油和润滑油添加剂发展情况》", 31 October 1964, 中国工业出版社 * |
欧风: "《石油产品应用技术手册》", 30 June 1998, 中国石化出版社 * |
陆国俊 等: "《电力化学试验技能培训教程》", 31 December 2014, 华南理工大学出版社 * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106675733A (en) * | 2017-01-05 | 2017-05-17 | 广东美商工业材料有限公司 | Capacitor oil applied to oil-immersed capacitor and preparation method of capacitor oil |
CN111925762A (en) * | 2020-08-31 | 2020-11-13 | 广州市白云化工实业有限公司 | Epoxy resin adhesive and application thereof |
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