CN110079373A - A kind of natural esters insulation oil antioxidant and its application - Google Patents
A kind of natural esters insulation oil antioxidant and its application Download PDFInfo
- Publication number
- CN110079373A CN110079373A CN201910266768.6A CN201910266768A CN110079373A CN 110079373 A CN110079373 A CN 110079373A CN 201910266768 A CN201910266768 A CN 201910266768A CN 110079373 A CN110079373 A CN 110079373A
- Authority
- CN
- China
- Prior art keywords
- oil
- antioxidant
- natural esters
- benzoquinones
- insulating
- 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.)
- Granted
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M129/00—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing oxygen
- C10M129/02—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing oxygen having a carbon chain of less than 30 atoms
- C10M129/24—Aldehydes; Ketones
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/08—Aldehydes; Ketones
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/40—Fatty vegetable or animal oils
- C10M2207/401—Fatty vegetable or animal oils used as base material
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- 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
- C10N2030/10—Inhibition of oxidation, e.g. anti-oxidants
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2040/00—Specified use or application for which the lubricating composition is intended
- C10N2040/14—Electric or magnetic purposes
- C10N2040/16—Dielectric; Insulating oil or insulators
Abstract
The invention belongs to insulating oil additive agent fields, specifically disclose a kind of natural esters insulation oil antioxidant and its application, specifically application of the benzoquinones or derivatives thereof as antioxidant in the insulating properties for promoting oil；Correspondingly, natural esters insulating oil includes natural esters insulation oil matrix, and makes an addition to the antioxidant in natural esters insulation oil matrix more particularly to obtain improving antioxidative natural esters insulating oil；The antioxidant is specially benzoquinones or derivatives thereof.The present invention is used as antioxidant application by using benzoquinones or derivatives thereof, inoxidizability, the insulating properties of oil can be promoted when making an addition to oily substance, the inoxidizability of the insulating oils such as natural esters insulating oil can especially be promoted, to delay the degeneration of insulating oil insulation performance and heat dissipation performance, guarantee the normal use of insulating oil；Also, benzoquinones and its this kind of natural esters insulating oil antioxidant of derivative, additive amount is few when application, and addition is convenient and antioxidant effect is good.
Description
Technical field
The invention belongs to insulating oil additive agent field, more particularly, to a kind of natural esters insulate oil antioxidant and its
Using.
Background technique
Insulating oil is widely used in various high-tension apparatuses, can effectively improve radiating capacity of equipment, dielectric strength, simultaneously also
Air can be completely cut off, prevent equipment from oxidation and leaching tide occurs.Insulating oil used in various countries' electric system at present derives from spy
Determine the oil product of fraction, i.e. mineral insulating oil.With the quick exhaustion of fossil feedstock, seeks renewable resource and be based on to replace
The insulating oil that oil product obtains is extremely urgent.Natural esters insulating oil from vegetable oil is because its fire protecting performance is good, biological drop
Xie Xinggao, delay insulation ester aging, extend the advantages that transformer life and receive significant attention.However, natural esters insulating oil is
The mixture of various fatty glycerides, and these fatty acid include largely containing 1,2 and 3 unsaturation C=C double bond respectively
Oleic acid, linoleic acid and linolenic acid, therefore its antioxygenic property be not so good as mineral insulating oil.Since insulating oil in use can
It contacts, generates free radicals with the oxygen in air, free chain reaction occurs, obtains oxidation product aldehyde, ketone or acid etc..These
Oxidation product makes the physical property of insulating oil: acidity, and viscosity and dielectric constant etc. occur significant change, reduce the exhausted of insulating oil
Edge performance and heat dissipation performance, to influence its normal use.To solve this problem, researchers at home and abroad are typically employed in
Micro antioxidant such as 2,6- di-t-butyl is added in natural esters insulating oil to first (BHT), tert-butyl hydroquinone (TBHQ)
And amine etc. (U.S.Patent No.5,958,851,5,949,017) prevents the oxidation of natural esters, to ensure that natural esters
The electrical insulation properties of insulating oil are not destroyed.But these antioxidants are often only quenched generated in insulating oil oxidation process
Free radical, not from source block radical chain reaction generation.
Summary of the invention
Aiming at the above defects or improvement requirements of the prior art, the purpose of the present invention is to provide a kind of natural esters insulating oils
Antioxidant and its application, wherein antioxidant application is used as by using benzoquinones or derivatives thereof, when making an addition to oily substance
Inoxidizability, the insulating properties of oil can be promoted, it is particularly possible to the inoxidizability of the insulating oils such as natural esters insulating oil is promoted, to delay
The degeneration of insulating oil insulation performance and heat dissipation performance guarantees the normal use of insulating oil；Also, benzoquinones and its derivative are this kind of
Natural esters insulating oil antioxidant, additive amount is few when application, and addition is convenient and antioxidant effect is good.
To achieve the above object, according to one aspect of the present invention, benzoquinones or derivatives thereof is provided as antioxidant
Application in the insulating properties for promoting oil.
As present invention further optimization, described benzoquinones or derivatives thereof includes benzoquinones, methylbenzoquinone, to dimethyl
At least one of quinone, 1,2 1,4-benzoquinone of tetramethyl -1,4- benzoquinones, anthraquinone and 3,5- di-t-butyl -.
As present invention further optimization, which is specially that benzoquinones or derivatives thereof is used as antioxidant in insulating oil
In application.
As present invention further optimization, the insulating oil is natural esters insulating oil, the benzene as antioxidant
The mass percent that quinone or derivatives thereof accounts for natural esters insulating oil entirety is 0.1%~5%.
As present invention further optimization, the natural esters insulating oil is preferably soybean oil, corn oil, rapeseed oil, mountain
One of tea oil, heliotrope oil and biodiesel are a variety of.
It is another aspect of this invention to provide that improving antioxidative natural esters insulating oil, spy the present invention provides a kind of
Sign is, including natural esters insulation oil matrix, and makes an addition to the antioxidant in natural esters insulation oil matrix；The antioxygen
Agent is specially benzoquinones or derivatives thereof.
As present invention further optimization, the antioxidant includes benzoquinones, methylbenzoquinone, to xyloquinone, tetramethyl
At least one of 1,2 1,4-benzoquinone of base -1,4- benzoquinones, anthraquinone and 3,5- di-t-butyl -.
As present invention further optimization, the mass percent that the antioxidant accounts for natural esters insulating oil entirety is
0.1%~5%.
As present invention further optimization, the natural esters insulation oil matrix is soybean oil, corn oil, rapeseed oil, mountain
One of tea oil, heliotrope oil and biodiesel are a variety of.
Contemplated above technical scheme through the invention, compared with prior art, due to will be in benzoquinones and its derivative
At least one applied as antioxidant, can be promoted oil insulating properties, suitable for being added to natural esters insulating oil, accordingly
It obtains improving antioxidative natural esters insulating oil, improves the oxidation stability of natural esters insulating oil, be suitable for each vegetable oil.
For adding this kind of benzoquinones antioxidant into natural esters insulation oil matrix, this kind of benzoquinones natural esters insulation
Oil antioxidant is suitable for various types natural esters insulating oil, comprising: soybean oil, heliotrope oil, corn oil, rapeseed oil, camellia oil
And biodiesel (methyl hexadecanoate)；The anti-oxidant energy of natural esters insulating oil is improved by the way that benzoquinones antioxidant is added
Power corresponds to parameter and still conforms to absolutely after natural esters insulating oil oxidation stability tests (NB/SH/T 0811-2010)
Edge oil standard.
For adding this kind of benzoquinones antioxidant into natural esters insulation oil matrix, generally speaking, the present invention can
Obtain it is following the utility model has the advantages that
(1) natural esters insulating oil antioxidant provided by the present invention is selected benzoquinones and its derivative, is effectively captured
The free radical that natural esters are generated in air contact improves natural esters insulation to inhibit the generation of natural esters free radical chain
The oxidation resistance of oil.
(2) natural esters insulating oil antioxidant provided by the present invention is suitable for different types of vegetable oil, and passes through
Each vegetable oil physical characteristic (acid value, dielectric loss, viscosity etc.) is still after the test (NB/SH/T 0811-2010) of oxidation stability
Meet the basic insulation requirement of insulating oil.
The free radical machine that benzoquinones provided by the invention or derivatives thereof antioxidant is generated by capture oil with air reaction
Reason realizes its anti-oxidation function.The present invention is also by the way that the adding proportion of benzoquinones or derivatives thereof antioxidant to be preferably controlled to
Arbitrary value within 0.1%~5%, on the one hand can ensure antioxidative promotion effect, and another aspect additive amount is few, addition side
Just.When ratio is lower than 0.1%, antioxidant effect will sharply decline, and nuclear-magnetism characterization method proves, natural esters insulation oil sample hair
When giving birth to significant change, and ratio being set as 0.1% or more (such as 0.1%~5%), the natural esters insulating oil after improvement passes through
Anti-oxidant experiment, acid value are effectively controlled, approximate with the acid value of initial oil sample.It, can be in addition, from economic and practical angle
It is preferred that adding proportion is set as 1%.Other than natural esters insulating oil, benzoquinones or derivatives thereof is used as antioxidant in the present invention
Application principle can also be applied to the C=C of unsaturation containing two or more double bond insulating oil (including other types mineral oil with
And vegetable insulating oil) in, certainly, widely, it is based on similar principle, it is comprehensive that benzoquinones or derivatives thereof can be used as antioxidant
Promote the insulating properties of all kinds of oil.
By taking insulating oil as an example, because of a variety of causes insulating oil can be exposed in air in insulating oil use process,
And then the structure that bring radical chain reaction due to dioxygen oxidation destroys natural esters is gradually appeared, eventually lead to its failure of insulation
(insulating materials, 2016,49 (3), 68-71.).The antioxidant patent protection of current various natural esters insulating oils is all based on pair
Intermediate in radical chain reaction captures or is quenched and applies for (U.S.Patent No.5,958,851).Therefore, existing skill
Patent protection in art is the treatment measures after radical chain reaction occurs, and is the thinking of " curing the sickness to save the patient ".And the present invention is then
It is based on the basic of catalysis oxidation mechanism, it is contemplated that the radical chain reaction that oxygen participates in is the activation of oxygen first, is formed super
Oxygen radical, the free radical react the generation for causing radical chain reaction with natural esters again, are based on this, the present invention by benzoquinones or
Its derivative prevents natural esters using the quencher of superoxide radical as the antioxidant of natural esters insulating oil from source
Oxidation, it can be understood as the strategy of " taking health care product, prevent disease ", compared with existing " curing the sickness to save the patient " strategy, more
With advantage, it can more extend the service life of natural esters insulating oil.
The superoxide radical that natural esters insulating oil is formed in use can be quenched in the present invention from source, prevent certainly
By the initiation of base chain reaction, the appearance of insulating oil oxidation has been blocked from source.Benzoquinones provided by the present invention or derivatives thereof
It is the research based on oxidation stability mechanism as the new opplication of antioxidant, for the natural esters oxidative degradation found
Initial oxidation agent, and the free radical scavenger designed, reduce the probability of natural esters oxidative degradation from source.Traditional is anti-oxidant
Agent, by capture free radical chain oxidation reaction is stopped, and antioxidant selected by the present invention on source to insulating oil
Oxidation process is quenched, and the superoxide radical in oil sample is captured, and is found by oxidation stability early period mechanism study, is surpassed
Oxygen radical is the key that cause to generate free radical chain, and the told antioxidant capture superoxide radical of the present invention is added and prevents absolutely
The generation of edge oil free radical chain guarantees its normal use to delay insulating oil insulation performance.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to embodiments, to the present invention
It is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not used to
Limit the present invention.As long as in addition, technical characteristic involved in the various embodiments of the present invention described below each other it
Between do not constitute conflict and can be combined with each other.
The present invention provides a kind of natural esters insulation oil antioxidants, and ingredient is benzoquinones and its derivative, and additive amount is equal
For the arbitrary value in 0.1%~5% range of quality.
Further, the present invention also provides the natural esters insulating oils to use antioxidant as natural esters insulating oil
The oxidation stability of antioxidant is tested.
The freedom that natural esters insulating oil provided by the invention is generated with antioxidant by capture insulating oil and air reaction
Base mechanism realizes its anti-oxidation function.
Hereinafter, illustrating natural esters insulating oil compound antioxidant provided by the invention in conjunction with specific embodiments.
Embodiment 1
Oil sample: soybean oil；Antioxidant: benzoquinones
The benzoquinones of quality 1% is added into the soybean oil steam again after, is placed in the ultrasound that frequency is 100kHz after mixing evenly
30min is vibrated in shaker, is evaluated with insulating oil oxidation stability method of testing (NB/SH/T0811-2010).According to NB/
0811-2010 standard of SH/T regulation, is dried for standby after first cleaning oxidation tube；The copper wire of long 91cm, diameter 1mm are chosen, it is right
Its surface carries out grinding process, is then wound into helical form and is put into oxidation tube；(25 ± 0.1) g insulation is injected in each oxidation tube
Oily test product, constant speed are passed through dry air, and flow velocity is (2.5 ± 0.25) mL/min, the continued oxidation 48h at 120 DEG C, measurement oxidation
The total acid number of oil product, dynamic viscosity value added and dielectric dissipation factor evaluate its oxidation resistance afterwards.
Embodiment 2
Oil sample: soybean oil；Antioxidant: 1,2 1,4-benzoquinone of 3,5- di-t-butyl-
3,5- di-t-butyl-, 1,2 1,4-benzoquinone that quality 1% is added into the soybean oil steam again after, is placed in after mixing evenly
30min is vibrated in the sonic oscillation instrument that frequency is 100kHz, with insulating oil oxidation stability method of testing (NB/SH/T 0811-
2010) it is evaluated.Changing reaction temperature is 80 degree, Shi Changwei 48h, air blistering reaction.After reaction to the acid of oil sample
Value, viscosity and dielectric loss are measured.
Embodiment 3
Oil sample: soybean oil；Antioxidant: tetramethyl -1,4- benzoquinones
Tetramethyl-Isosorbide-5-Nitrae-benzoquinones of quality 1% is added into the soybean oil steam again after, being placed in frequency after mixing evenly is
Vibrate 30min in the sonic oscillation instrument of 100kHz, with insulating oil oxidation stability method of testing (NB/SH/T 0811-2010) into
Row evaluation.Changing reaction temperature is 40 degree, Shi Changwei 48h, air blistering reaction.After reaction to the acid value of oil sample, viscosity
And dielectric loss is measured.
Embodiment 4
Oil sample: soybean oil；Antioxidant: benzoquinones
The benzoquinones of quality 5% is added into the soybean oil steam again after, is placed in the ultrasound that frequency is 100kHz after mixing evenly
30min is vibrated in shaker, is evaluated with insulating oil oxidation stability method of testing (NB/SH/T 0811-2010).Reaction knot
The acid value of oil sample, viscosity and dielectric loss are measured after beam.
Embodiment 5
Oil sample: soybean oil；Antioxidant: benzoquinones
The benzoquinones of quality 0.1% is added into the soybean oil steam again after, being placed in frequency after mixing evenly is the super of 100kHz
30min is vibrated in sound oscillation instrument, is evaluated with insulating oil oxidation stability method of testing (NB/SH/T 0811-2010).Reaction
After to the acid value of oil sample, viscosity and dielectric loss are measured.
Embodiment 1-5 and the acid value being not added after the reaction of antioxidant oil sample, viscosity and dielectric loss measurement value are as follows
Shown in table.
Find that benzoquinones or derivatives thereof is used as antioxidant in the addition present invention, can effectively inhibit by upper table data comparison
The oxidation of natural insulation ester guarantees that its electrical characteristic is constant, when additional amount is 0.1%~5%, controls oil sample acid value bright
Aobvious, when being added 1%, effect is best.
Embodiment 6
Oil sample: heliotrope oil；Antioxidant: benzoquinones
The benzoquinones of quality 1% is added into the heliotrope oil steam again after, is placed in the ultrasound that frequency is 100kHz after mixing evenly
30min is vibrated in shaker, is evaluated with insulating oil oxidation stability method of testing (NB/SH/T 0811-2010).Reaction temperature
Degree is 120 degree, Shi Changwei 48h, air blistering reaction.The acid value of oil sample, viscosity and dielectric loss are carried out after reaction
Measurement.
Embodiment 7
Oil sample: heliotrope oil；Antioxidant: to xyloquinone
Added into the heliotrope oil steam again after quality 1% to xyloquinone, being placed in frequency after mixing evenly is 100kHz
Sonic oscillation instrument in vibrate 30min, evaluated with insulating oil oxidation stability method of testing (NB/SH/T 0811-2010).
Reaction temperature is 120 degree, Shi Changwei 48h, air blistering reaction.After reaction to the acid value of oil sample, viscosity and medium damage
Consumption is measured.
Embodiment 8
Oil sample: heliotrope oil；Antioxidant: anthraquinone
The anthraquinone of quality 1% is added into the heliotrope oil steam again after, is placed in the ultrasound that frequency is 100kHz after mixing evenly
30min is vibrated in shaker, is evaluated with insulating oil oxidation stability method of testing (NB/SH/T 0811-2010).Reaction temperature
Degree is 120 degree, Shi Changwei 48h, air blistering reaction.The acid value of oil sample, viscosity and dielectric loss are carried out after reaction
Measurement.
Embodiment 6-8 and the acid value being not added after the reaction of antioxidant oil sample, viscosity and dielectric loss measurement value are as follows
Shown in table.
Embodiment 9
Oil sample: corn oil；Antioxidant: benzoquinones
The benzoquinones of quality 1% is added into the corn oil steam again after, is placed in the ultrasound that frequency is 100kHz after mixing evenly
30min is vibrated in shaker, is evaluated with insulating oil oxidation stability method of testing (NB/SH/T 0811-2010).Reaction temperature
Degree is 120 degree, Shi Changwei 48h, air blistering reaction.The acid value of oil sample, viscosity and dielectric loss are carried out after reaction
Measurement.
Embodiment 10
Oil sample: corn oil；Antioxidant: methylbenzoquinone
The methylbenzoquinone of quality 1% is added into the corn oil steam again after, being placed in frequency after mixing evenly is 100kHz's
30min is vibrated in sonic oscillation instrument, is evaluated with insulating oil oxidation stability method of testing (NB/SH/T 0811-2010).Instead
Answering temperature is 120 degree, Shi Changwei 48h, air blistering reaction.After reaction to the acid value of oil sample, viscosity and dielectric loss
It is measured.
Embodiment 9 and 10 and the acid value being not added after the reaction of antioxidant oil sample, viscosity and dielectric loss measurement value are such as
Shown in following table.
Embodiment 11
Oil sample: rapeseed oil；Antioxidant: benzoquinones
The benzoquinones of quality 1% is added into the rapeseed oil steam again after, is placed in the ultrasound that frequency is 100kHz after mixing evenly
30min is vibrated in shaker, is evaluated with insulating oil oxidation stability method of testing (NB/SH/T 0811-2010).Reaction temperature
Degree is 120 degree, Shi Changwei 48h, air blistering reaction.The acid value of oil sample, viscosity and dielectric loss are carried out after reaction
Measurement.As a result as follows:
Embodiment 12
Oil sample: camellia oil；Antioxidant: benzoquinones
The benzoquinones of quality 1% is added into the camellia oil steam again after, is placed in the ultrasound that frequency is 100kHz after mixing evenly
30min is vibrated in shaker, is evaluated with insulating oil oxidation stability method of testing (NB/SH/T 0811-2010).Reaction temperature
Degree is 120 degree, Shi Changwei 48h, air blistering reaction.The acid value of oil sample, viscosity and dielectric loss are carried out after reaction
Measurement.As a result as follows:
Embodiment 13
Oil sample: biodiesel (methyl hexadecanoate)；Antioxidant: benzoquinones
The benzoquinones of quality 1% is added into the corn oil steam again after, is placed in the ultrasound that frequency is 100kHz after mixing evenly
30min is vibrated in shaker, is evaluated with insulating oil oxidation stability method of testing (NB/SH/T 0811-2010).Reaction temperature
Degree is 120 degree, Shi Changwei 48h, air blistering reaction.The acid value of oil sample, viscosity and dielectric loss are carried out after reaction
Measurement result is as follows:
It is evaluated according to insulating oil oxidation stability method of testing (NB/SH/T 0811-2010), it can be found that addition is originally
The natural esters of the antioxidant are invented in ageing process, acid value, viscosity, dielectric loss etc. are controlled to be referred in effective insulation performance
It is especially obvious to acid value control effect in mark, illustrate that antioxidant of the present invention possesses better oxidation resistance.
For above-described embodiment is only using benzoquinones for adding single component or derivatives thereof as antioxidant, in practical application
In, the benzoquinones and its derivative that can also use two kinds or more ingredients simultaneously can equally improve natural as antioxidant
The inoxidizability of ester insulating oil.In addition, it is based on similar principle in addition to natural esters insulating oil used by above-described embodiment, this
In invention benzoquinones or derivatives thereof as antioxidant can also be applied to containing a large amount of unsaturation C=C double bonds insulating oil (including
Other types mineral oil and vegetable insulating oil) in.
As it will be easily appreciated by one skilled in the art that the foregoing is merely illustrative of the preferred embodiments of the present invention, not to
The limitation present invention, any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should all include
Within protection scope of the present invention.
Claims (9)
1. application of the benzoquinones or derivatives thereof as antioxidant in the insulating properties for promoting oil.
2. application as described in claim 1, which is characterized in that described benzoquinones or derivatives thereof includes benzoquinones, methylbenzoquinone, to two
At least one of methyl quinone, 1,2 1,4-benzoquinone of tetramethyl -1,4- benzoquinones, anthraquinone and 3,5- di-t-butyl -.
3. application as described in claim 1, which is characterized in that the application is specially that benzoquinones or derivatives thereof exists as antioxidant
Application in insulating oil.
4. application as claimed in claim 3, which is characterized in that the insulating oil is natural esters insulating oil, as antioxidant
The mass percent that described benzoquinones or derivatives thereof accounts for natural esters insulating oil entirety is 0.1%~5%.
5. application as claimed in claim 4, which is characterized in that the natural esters insulating oil is preferably soybean oil, corn oil, vegetable seed
One of oil, camellia oil, heliotrope oil and biodiesel are a variety of.
6. a kind of improve antioxidative natural esters insulating oil, which is characterized in that including natural esters insulation oil matrix, and addition
Antioxidant in natural esters insulation oil matrix；The antioxidant is specially benzoquinones or derivatives thereof.
7. improving antioxidative natural esters insulating oil as claimed in claim 6, which is characterized in that the antioxidant includes benzene
Quinone, methylbenzoquinone, in xyloquinone, 1,2 1,4-benzoquinone of tetramethyl -1,4- benzoquinones, anthraquinone and 3,5- di-t-butyl-extremely
Few one kind.
8. improving antioxidative natural esters insulating oil as claimed in claim 6, which is characterized in that the antioxidant accounts for naturally
The mass percent of ester insulating oil entirety is 0.1%~5%.
9. improving antioxidative natural esters insulating oil as claimed in claim 6, which is characterized in that the natural esters insulation oil base
Matter is one of soybean oil, corn oil, rapeseed oil, camellia oil, heliotrope oil and biodiesel or a variety of.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910266768.6A CN110079373B (en) | 2019-04-03 | 2019-04-03 | Natural ester insulating oil antioxidant and application thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910266768.6A CN110079373B (en) | 2019-04-03 | 2019-04-03 | Natural ester insulating oil antioxidant and application thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110079373A true CN110079373A (en) | 2019-08-02 |
| CN110079373B CN110079373B (en) | 2020-09-18 |
Family
ID=67414139
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910266768.6A Active CN110079373B (en) | 2019-04-03 | 2019-04-03 | Natural ester insulating oil antioxidant and application thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110079373B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110669576A (en) * | 2019-10-31 | 2020-01-10 | 国网河南省电力公司电力科学研究院 | High-performance composite additive for natural ester insulating oil and preparation method thereof |
| CN113528217A (en) * | 2021-06-09 | 2021-10-22 | 广西大学 | Nano SiC-modified high-thermal-conductivity corn insulating oil and preparation method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6340658B1 (en) * | 1998-05-11 | 2002-01-22 | Wavely Light And Power | Vegetable-based transformer oil and transmission line fluid |
| CN1984980A (en) * | 2004-05-27 | 2007-06-20 | 考格尼斯知识产权管理有限责任公司 | Polyol ester for transformers |
| CN102543262A (en) * | 2010-12-31 | 2012-07-04 | 西安卓源电力科技有限公司 | Vegetable insulating oil and preparation method thereof |
| KR101451289B1 (en) * | 2012-05-03 | 2014-10-17 | 한국생산기술연구원 | Enviromentally affinitive vegetable insulating oil composition |
| CN105505544A (en) * | 2016-01-29 | 2016-04-20 | 郝福 | Transformer oil with colloid inhibition function |
-
2019
- 2019-04-03 CN CN201910266768.6A patent/CN110079373B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6340658B1 (en) * | 1998-05-11 | 2002-01-22 | Wavely Light And Power | Vegetable-based transformer oil and transmission line fluid |
| CN1984980A (en) * | 2004-05-27 | 2007-06-20 | 考格尼斯知识产权管理有限责任公司 | Polyol ester for transformers |
| CN102543262A (en) * | 2010-12-31 | 2012-07-04 | 西安卓源电力科技有限公司 | Vegetable insulating oil and preparation method thereof |
| KR101451289B1 (en) * | 2012-05-03 | 2014-10-17 | 한국생산기술연구원 | Enviromentally affinitive vegetable insulating oil composition |
| CN105505544A (en) * | 2016-01-29 | 2016-04-20 | 郝福 | Transformer oil with colloid inhibition function |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110669576A (en) * | 2019-10-31 | 2020-01-10 | 国网河南省电力公司电力科学研究院 | High-performance composite additive for natural ester insulating oil and preparation method thereof |
| CN113528217A (en) * | 2021-06-09 | 2021-10-22 | 广西大学 | Nano SiC-modified high-thermal-conductivity corn insulating oil and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110079373B (en) | 2020-09-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Rafiq et al. | Use of vegetable oils as transformer oils–a review | |
| Mariprasath et al. | A critical review on the characteristics of alternating liquid dielectrics and feasibility study on pongamia pinnata oil as liquid dielectrics | |
| Loh et al. | Oxidative stability and storage behavior of fatty acid methyl esters derived from used palm oil | |
| JP6121459B2 (en) | Dielectric heat transfer fluid | |
| CN110079373A (en) | A kind of natural esters insulation oil antioxidant and its application | |
| Singha et al. | Comparative aging characteristics between a high oleic natural ester dielectric liquid and mineral oil | |
| US6312623B1 (en) | High oleic acid oil compositions and methods of making and electrical insulation fluids and devices comprising the same | |
| US10861618B2 (en) | Enzymatically-degummed oil and uses thereof | |
| JP2012522337A5 (en) | ||
| CA2840377C (en) | Genetically-engineered microbial oil dielectric fluid | |
| Samikannu et al. | Reclamation of natural esters using nanocarriers as the biodegradable choice for the transformer insulation | |
| EP2519589A1 (en) | Algae oil based dielectric fluid for electrical components | |
| KR20100022473A (en) | Vegetable oil dielectric fluid composition | |
| US8632704B2 (en) | Dielectric fluid composition containing vegetable oils and free of antioxidants | |
| Ab Ghani et al. | Multi-response optimization of the properties of natural ester oil with mixed antioxidants using taguchi-based methodology | |
| CN108485752B (en) | Plant insulating oil with function of indicating operation process of transformer | |
| CN107680712B (en) | Compound antioxidant for natural ester insulating oil and application thereof | |
| ES2224708T3 (en) | POLYMERIZATION PROCEDURE THROUGH DIELECTRIC WARMING OF UNSATURATED FATTY ACIDS, STERES OF Unsaturated FATTY ACIDS, INSATURED HYDROCARBONS OR INSATURATED DERIVATIVES OF SUCH PRODUCTS. | |
| CA2826187C (en) | Vegetable dielectric fluid for electrical transformers | |
| CN110747037A (en) | Jatropha curcas insulating oil and preparation method thereof | |
| Subroto et al. | Screening of antioxidants as stabilisers for Jatropha curcas L. oil | |
| RU2012102081A (en) | ELECTRICAL EQUIPMENT CONTAINING DIELECTRIC OIL WITH ERUK ACID | |
| NL2026674B1 (en) | Vegetable oil, preparation method and use thereof | |
| Subroto | Optimization of Jatropha curcas pure plant oil production | |
| AU2021100929A4 (en) | Method for evaluating liquid dielectric characteristics and feasibility of pongamia pinnata oil as liquid dielectrics |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | 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 |