CN106479631A - A kind of high-weatherability nano modification transformer insulation oil containing guaiacol and preparation method thereof - Google Patents

A kind of high-weatherability nano modification transformer insulation oil containing guaiacol and preparation method thereof Download PDF

Info

Publication number
CN106479631A
CN106479631A CN201610830685.1A CN201610830685A CN106479631A CN 106479631 A CN106479631 A CN 106479631A CN 201610830685 A CN201610830685 A CN 201610830685A CN 106479631 A CN106479631 A CN 106479631A
Authority
CN
China
Prior art keywords
guaiacol
oil
nano
weatherability
transformer insulation
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.)
Withdrawn
Application number
CN201610830685.1A
Other languages
Chinese (zh)
Inventor
崔应文
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tongling Rike Electronics Co Ltd
Original Assignee
Tongling Rike Electronics Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Tongling Rike Electronics Co Ltd filed Critical Tongling Rike Electronics Co Ltd
Priority to CN201610830685.1A priority Critical patent/CN106479631A/en
Publication of CN106479631A publication Critical patent/CN106479631A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10MLUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M169/00Lubricating 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
    • C10M169/04Mixtures of base-materials and additives
    • C10M169/045Mixtures of base-materials and additives the additives being a mixture of compounds of unknown or incompletely defined constitution and non-macromolecular compounds
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10MLUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2201/00Inorganic compounds or elements as ingredients in lubricant compositions
    • C10M2201/06Metal compounds
    • C10M2201/062Oxides; Hydroxides; Carbonates or bicarbonates
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10MLUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2201/00Inorganic compounds or elements as ingredients in lubricant compositions
    • C10M2201/14Inorganic compounds or elements as ingredients in lubricant compositions inorganic compounds surface treated with organic compounds
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10MLUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2203/00Organic non-macromolecular hydrocarbon compounds and hydrocarbon fractions as ingredients in lubricant compositions
    • C10M2203/10Petroleum or coal fractions, e.g. tars, solvents, bitumen
    • C10M2203/1006Petroleum or coal fractions, e.g. tars, solvents, bitumen used as base material
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10MLUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2207/00Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/02Hydroxy compounds
    • C10M2207/023Hydroxy compounds having hydroxy groups bound to carbon atoms of six-membered aromatic rings
    • C10M2207/026Hydroxy compounds having hydroxy groups bound to carbon atoms of six-membered aromatic rings with tertiary alkyl groups
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10MLUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2207/00Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/04Ethers; Acetals; Ortho-esters; Ortho-carbonates
    • C10M2207/046Hydroxy ethers
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10MLUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2207/00Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/28Esters
    • C10M2207/282Esters of (cyclo)aliphatic oolycarboxylic acids
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10MLUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2207/00Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/40Fatty vegetable or animal oils
    • C10M2207/402Castor oils
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10MLUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2215/00Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
    • C10M2215/18Containing nitrogen-to-nitrogen bonds, e.g. hydrazine
    • C10M2215/182Azo compounds
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10MLUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2215/00Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
    • C10M2215/22Heterocyclic nitrogen compounds
    • C10M2215/223Five-membered rings containing nitrogen and carbon only
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10MLUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2227/00Organic 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
    • C10M2227/06Organic compounds derived from inorganic acids or metal salts
    • C10M2227/065Organic compounds derived from inorganic acids or metal salts derived from Ti or Zr
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10NINDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2030/00Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
    • C10N2030/10Inhibition of oxidation, e.g. anti-oxidants
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10NINDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2030/00Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
    • C10N2030/72Extended drain
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10NINDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2040/00Specified use or application for which the lubricating composition is intended
    • C10N2040/14Electric or magnetic purposes
    • C10N2040/16Dielectric; Insulating oil or insulators

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Chemistry (AREA)
  • Organic Insulating Materials (AREA)

Abstract

The invention discloses a kind of high-weatherability nano modification transformer insulation oil containing guaiacol, which is obtained by the raw material of following weight parts:Mineral base oil 1,000 1500, castor oil 5 10, guaiacol 0.5 1, silane coupler KH 570 0.15 0.25, azodiisobutyronitrile 0.01 0.015, isopropyl three (dioctylphyrophosphoric acid acyloxy) titanate esters 0.3 0.5, methyl methacrylate 0.5 1, ATBC 12, nano aluminium oxide 0.5 1,2,6 DI-tert-butylphenol compounds 1 1.5, BTA 0.5 1.The transformer insulation oil of the present invention can be stored for a long time and keep good performance with excellent stability and insulating properties, while with high-weatherability, stable performance, long service life, be not susceptible to go bad, with higher practical value.

Description

A kind of high-weatherability nano modification transformer insulation oil containing guaiacol and its preparation Method
Technical field
The present invention relates to transformer oil technical field, more particularly to a kind of high-weatherability nano containing guaiacol is modified to be become Depressor 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 have been increasingly difficult to meet voltage levels To Large Copacity, miniaturization, the requirement of high stability insulation system.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 improving efficiency and the safety of transformer station high-voltage side bus Reliability is significant.
At present, be improve insulating materials performance, insulating materials field introduce nanometer technology be 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 and Mechanism Study of semi-conductor nano particles modification transformer oil》Using nano-particle TiO2To becoming Depressor oil is modified, it is found 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 causes the reduction of reliability.Dispersion of the conventional surfactant facture to nano-particle 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 Dispersion of the nano-particle in transformer oil, stability and insulating properties are taken into account, becomes the major issue for needing at present to solve.
Content of the invention
The object of the invention is exactly to make up the defect of prior art, provides one kind and takes into account nano-particle dispersion, stability And the high-weatherability nano modification transformer insulation oil containing guaiacol of superior isolation performance and preparation method thereof.
The present invention is achieved by the following technical solutions:
A kind of high-weatherability nano modification transformer insulation oil containing guaiacol, which is obtained by the raw material of following weight parts:
Mineral base oil 1000-1500, castor oil 5-10, guaiacol 0.5-1, Silane coupling reagent KH-570 0.15-0.25, Azodiisobutyronitrile 0.01-0.015, isopropyl three (dioctylphyrophosphoric acid acyloxy) titanate esters 0.3-0.5, methyl methacrylate Ester 0.5-1, ATBC 1-2, 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 high-weatherability nano modification transformer insulation oil containing guaiacol, 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 for 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 and stirs anti-in 60-70 DEG C under nitrogen protection successively 2-4h is answered, centrifugation after cooling, by the solid particle for obtaining again with absolute ethyl alcohol cyclic washing 2-4 time;
(3)First 50-60 DEG C is incorporated in by mixed to castor oil, guaiacol and isopropyl three (dioctylphyrophosphoric acid acyloxy) titanate esters Add after stirring 1-2h and stir in mineral base oil, add step(2)In material and remaining raw material ultrasonic disperse Uniformly, then carry out refined filtration and impurity is removed, vacuum dehydration degassing is eventually passed, is obtained final product the high-weatherability nano containing guaiacol and changes Property transformer insulation oil.
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, effective mutual aggtegation for reducing nano-particle, improve nanoparticle Dispersiveness and stability of the son in transformer oil, while improve the insulating properties of nano-particle;By raw materials such as guaiacol Compound synergic, be effectively improved the weatherability of transformer oil, compound with remaining raw material after obtained transformer insulation oil with Excellent stability and insulating properties, can store for a long time and keep good performance, while with high-weatherability, performance is steady Fixed, long service life, it is not susceptible to go bad, with higher practical value.
Specific embodiment
A kind of high-weatherability nano modification transformer insulation oil containing guaiacol, by the component raw material of following weight (kg) It is prepared from:
Mineral base oil 1000, castor oil 5, guaiacol 0.5, Silane coupling reagent KH-570 0.15, azodiisobutyronitrile 0.01, isopropyl three (dioctylphyrophosphoric acid acyloxy) titanate esters 0.3, methyl methacrylate 0.5, ATBC 1, receive Rice 0.5,2,6- DI-tert-butylphenol compounds 1 of aluminum oxide, BTA 0.5.
A kind of preparation method of the high-weatherability nano modification transformer insulation oil containing guaiacol, 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 are surpassed Sound disperses 5min, then stirs 1h in 40 DEG C, and centrifugation after cooling, by the solid particle for 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 Methyl methacrylate and azodiisobutyronitrile stirring reaction 2h are slowly added to successively in 60 DEG C under gas shielded, are centrifuged after cooling Separate, by the solid particle for obtaining again with absolute ethyl alcohol cyclic washing 2 times;
(3)First it is incorporated in mixed to castor oil, guaiacol and isopropyl three (dioctylphyrophosphoric acid acyloxy) titanate esters 50 DEG C and stirs Add after mixing 1h and stir in mineral base oil, add step(2)In material and remaining raw material ultrasonic disperse uniform, Then carry out refined filtration and impurity is removed, vacuum dehydration degassing is eventually passed, obtain final product the high-weatherability nano modification containing guaiacol and become Depressor insulating oil.
Above-mentioned mineral base oil chooses 60 base oil of sinopec HVI Ia.
Through inspection, transformer insulation oil performance obtained above is as follows:
Average frequency breakdown voltage:84.8kV;
Dielectric dissipation factor(90℃):0.00059;
185 DEG C, the heat ageing of 12 weeks process after dielectric dissipation factor(90℃):0.0152;
Standing still keeps transparent clarification after 1 year, nothing is precipitated.

Claims (2)

1. a kind of containing guaiacol high-weatherability nano modification transformer insulation oil, it is characterised in that its be by following weight The raw material of part is obtained:
Mineral base oil 1000-1500, castor oil 5-10, guaiacol 0.5-1, Silane coupling reagent KH-570 0.15-0.25, Azodiisobutyronitrile 0.01-0.015, isopropyl three (dioctylphyrophosphoric acid acyloxy) titanate esters 0.3-0.5, methyl methacrylate Ester 0.5-1, ATBC 1-2, nano aluminium oxide 0.5-1,2,6- DI-tert-butylphenol compounds 1-1.5, BTA 0.5- 1.
2. according to claim 1 a kind of containing guaiacol high-weatherability nano modification transformer insulation oil preparation side Method, it is characterised 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 for 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 and stirs anti-in 60-70 DEG C under nitrogen protection successively 2-4h is answered, centrifugation after cooling, by the solid particle for obtaining again with absolute ethyl alcohol cyclic washing 2-4 time;
(3)First 50-60 DEG C is incorporated in by mixed to castor oil, guaiacol and isopropyl three (dioctylphyrophosphoric acid acyloxy) titanate esters Add after stirring 1-2h and stir in mineral base oil, add step(2)In material and remaining raw material ultrasonic disperse Uniformly, then carry out refined filtration and impurity is removed, vacuum dehydration degassing is eventually passed, is obtained final product the high-weatherability nano containing guaiacol and changes Property transformer insulation oil.
CN201610830685.1A 2016-09-19 2016-09-19 A kind of high-weatherability nano modification transformer insulation oil containing guaiacol and preparation method thereof Withdrawn CN106479631A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610830685.1A CN106479631A (en) 2016-09-19 2016-09-19 A kind of high-weatherability nano modification transformer insulation oil containing guaiacol and preparation method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610830685.1A CN106479631A (en) 2016-09-19 2016-09-19 A kind of high-weatherability nano modification transformer insulation oil containing guaiacol and preparation method thereof

Publications (1)

Publication Number Publication Date
CN106479631A true CN106479631A (en) 2017-03-08

Family

ID=58267442

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610830685.1A Withdrawn CN106479631A (en) 2016-09-19 2016-09-19 A kind of high-weatherability nano modification transformer insulation oil containing guaiacol and preparation method thereof

Country Status (1)

Country Link
CN (1) CN106479631A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111117723A (en) * 2019-12-30 2020-05-08 国网河南省电力公司电力科学研究院 Preparation method and preparation device of natural ester insulating oil containing nano powder
CN114318942A (en) * 2021-11-25 2022-04-12 国网上海市电力公司 Preparation method of amino silane modified cellulose insulation paper of vegetable oil transformer

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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)

* Cited by examiner, † Cited by third party
Title
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)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111117723A (en) * 2019-12-30 2020-05-08 国网河南省电力公司电力科学研究院 Preparation method and preparation device of natural ester insulating oil containing nano powder
CN114318942A (en) * 2021-11-25 2022-04-12 国网上海市电力公司 Preparation method of amino silane modified cellulose insulation paper of vegetable oil transformer

Similar Documents

Publication Publication Date Title
CN101942142B (en) Preparation method of semiconductive shielding material for 110kV and above voltage class cables
CN106479631A (en) A kind of high-weatherability nano modification transformer insulation oil containing guaiacol and preparation method thereof
CN102153308A (en) Cement liquid grinding aid and preparation method thereof
CN106433907A (en) Anti-aging nano-modified transformer insulating oil containing ursolic acid and preparation method of anti-aging nano-modified transformer insulating oil containing ursolic acid
CN106479630A (en) A kind of low temperature resistant high-insulativity nano modification transformer insulation oil containing epoxidized soybean oil and preparation method thereof
CN105860288A (en) Ozone-proof and anti-aging modified ethylene propylene rubber cable material and preparation method thereof
CN106635277A (en) Heat-resisting anti-aging nano-modification transformer insulating oil and preparation method thereof
CN106433906A (en) High-temperature-resistant and flame-retardant nanometer modified transformer insulation oil and preparation method thereof
CN106467848A (en) A kind of carbon nano-fiber modification high heat conduction transformer insulation oil and preparation method thereof
CN106635276A (en) Damp-proof and anti-static nano-modified transformer insulation oil and preparation method thereof
CN106433898A (en) Wear-resistant and corrosion-resistant nano-modification transformer dielectric oil containing urushiol and preparing method thereof
CN114292466A (en) Modified polypropylene insulating material for medium and low voltage power cable and preparation method thereof
CN106433878A (en) Scaling-prevention core-shell structure nano-modified transformer oil containing palm oil and preparation method of transformer oil
CN106433892A (en) Antifouling anti-scaling nano-modified transformer insulation oil and preparation method thereof
CN106635280A (en) Antirust moistureproof nanometer modified insulating oil for transformer and preparation method thereof
CN106433905A (en) Bamboo tar-containing anti-corrosion and antibacterial nano-modified transformer insulating oil and preparation method of transformer insulating oil
CN106433908A (en) Anti-corrosive nanometer modified transformer insulation oil containing cashew nut shell oil and preparation method thereof
CN106433897A (en) Low-temperature resistant high-fluidity nano-modification transformer dielectric oil and preparing method thereof
CN106497647A (en) A kind of antioxidation nano modification transformer oil and preparation method thereof
CN106433896A (en) Beewax-containing high-lubricity nanometer modified transformer insulation oil and preparation method thereof
CN106635275A (en) Nano-cerium fluoride modified high-temperature-resistant anti-wear transformer insulation oil and preparation method thereof
CN113462451B (en) Preparation method of antioxidant rapeseed insulating oil
CN113604269B (en) Preparation method of nano-magnesia modified palm insulating oil with high volume resistivity
CN104099156B (en) A kind of oxidation-resistance and the strong aluminum nitride nanometer particle transformer oil of resistance to corrosion and preparation method thereof
CN106433890A (en) Anti-corrosion and wear-resisting nano modified transformer oil with core-shell structure and preparation method thereof

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
WW01 Invention patent application withdrawn after publication

Application publication date: 20170308

WW01 Invention patent application withdrawn after publication