CN106085561A - A kind of low temperature resistant high wearproof lubricant of mineral oil base - Google Patents

A kind of low temperature resistant high wearproof lubricant of mineral oil base Download PDF

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Publication number
CN106085561A
CN106085561A CN201610398109.4A CN201610398109A CN106085561A CN 106085561 A CN106085561 A CN 106085561A CN 201610398109 A CN201610398109 A CN 201610398109A CN 106085561 A CN106085561 A CN 106085561A
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Prior art keywords
parts
mineral oil
low temperature
temperature resistant
resistant high
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CN201610398109.4A
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Chinese (zh)
Inventor
刘道临
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Jiangsu Jindi Lubricating Oil Co Ltd
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Jiangsu Jindi Lubricating Oil Co Ltd
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Priority to CN201610398109.4A priority Critical patent/CN106085561A/en
Publication of CN106085561A publication Critical patent/CN106085561A/en
Pending legal-status Critical Current

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    • 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
    • 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
    • C10M169/04—Mixtures of base-materials and additives
    • 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
    • C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
    • C10M2201/04—Elements
    • C10M2201/041—Carbon; Graphite; Carbon black
    • 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
    • C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
    • C10M2201/087—Boron oxides, acids or salts
    • 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
    • C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
    • C10M2201/10—Compounds containing silicon
    • C10M2201/102—Silicates
    • C10M2201/103—Clays; Mica; Zeolites
    • 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
    • C10M2203/00—Organic non-macromolecular hydrocarbon compounds and hydrocarbon fractions as ingredients in lubricant compositions
    • C10M2203/10—Petroleum or coal fractions, e.g. tars, solvents, bitumen
    • 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
    • C10M2203/00—Organic non-macromolecular hydrocarbon compounds and hydrocarbon fractions as ingredients in lubricant compositions
    • C10M2203/10—Petroleum or coal fractions, e.g. tars, solvents, bitumen
    • C10M2203/1006—Petroleum or coal fractions, e.g. tars, solvents, bitumen used as base material
    • 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
    • C10M2207/28—Esters
    • C10M2207/281—Esters of (cyclo)aliphatic monocarboxylic acids
    • 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
    • C10M2207/28—Esters
    • C10M2207/282—Esters of (cyclo)aliphatic oolycarboxylic acids
    • 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
    • C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
    • C10M2215/22—Heterocyclic nitrogen compounds
    • C10M2215/223—Five-membered rings containing nitrogen and carbon only
    • 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
    • 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
    • C10M2227/06—Organic compounds derived from inorganic acids or metal salts
    • C10M2227/065—Organic compounds derived from inorganic acids or metal salts derived from Ti or Zr
    • 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
    • C10N2010/00—Metal present as such or in compounds
    • C10N2010/06—Groups 3 or 13
    • 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
    • C10N2030/06—Oiliness; Film-strength; Anti-wear; Resistance to extreme pressure
    • 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
    • C10N2030/08—Resistance to extreme temperature

Landscapes

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

Abstract

The invention provides a kind of low temperature resistant high wearproof lubricant of mineral oil base, according to the mass fraction, each component proportioning is: base oil 1000～1260 parts；Additive 91～112 parts of graphite 10～45 parts；Bentonite 10～30 parts；Coupling agent 10～30 parts；Wherein said base oil is mineral oil；Containing nano boric acid lanthanum in described additive.Containing a small amount of graphite in inventive formulation, introducing nitrogen-containing group in additive possibly together with a small amount of bentonite, the especially present invention, each component synergism makes it have certain dispersive property, the shapes and sizes of wax crystal in lubricating oil can be effectively improved, thus there is more preferably depression effeCt.In addition base oil is mineral oil, by adding nano boric acid lanthanum and each component synergism, low temperature can be kept to use, and keep preferable wear resistence, the range of application of lubricating oil oily based on being greatly improved mineral oil.

Description

A kind of low temperature resistant high wearproof lubricant of mineral oil base
Technical field
The invention belongs to technology of fine chemicals, be specifically related to a kind of lubricating oil.
Background technology
Lubricating oil is used in all kinds automobile, plant equipment reducing friction, protection machinery and the liquid of workpiece Or semisolid lubricants, act primarily as lubrication, supplement heat rejecter, antirust, clean, seal and the effect such as buffering.Lube product is usual To use under the lowest ambient temperature, the most in the winter time and under cold car state, therefore it is required that the lubricating oil used has good Good low temperature flowability, so not only contributes to the normal startup optimization of machine, it is also possible to reduce machine in start-up course Abrasion.
But at low temperatures, the crystal structure in lube base oil separates out, and forms three-dimensional network-like structure and loses stream Dynamic property.In order to keep the low temperature flow of oil product, having two kinds of approach, one is to dewax the base oil degree of depth, can obtain low pour point Lubricating oil, but damage the quality of oil product；Two is generally to add a small amount of pour-point depressant in lubricating oil oil product, it is possible to significantly Improve wax crystal particle and structure in oil product, thus reduce freezing point.The alkyl side chain of general pour-point depressant uses the list of different carbon number Body copolymerization, adjusts its average side chain carbon number to adapt to different lube base oils.But, these pour-point depressant major parts use phase The monoesters bigger to molecular mass or polyester.The pour-point depressant of monoesters or polyester has significantly for the plain oil of mineral oil base Pour-point depressing process, but easily bring the rising of its condensation point and the decline of wear resistance.The most how to improve mineral oil based lubricating oil Resistance to low temperature, and keep preferable abrasion resistance, be this area problem of urgently studying and solving.
Summary of the invention
Goal of the invention: for problems of the prior art, the invention provides a kind of low temperature resistant lubricating oil, and Provide the preparation method of wherein additive.
Technical scheme: the invention provides a kind of low temperature resistant high wearproof lubricant of mineral oil base, according to the mass fraction, each group Part proportioning is:
Wherein said base oil is mineral oil；Containing nano boric acid lanthanum in described additive.
Preferably, described coupling agent is monoalkyl titanate esters.
Additive of the present invention is the most special, and its raw material of described additive includes: white oil, fumarate mix Thing, vinylacetate, vinyl pyrrolidone and nano boric acid lanthanum；According to the mass fraction, proportioning be 45～50 parts of white oils, 30～ 40 parts of fumarate mixture, 10～12 parts of vinylacetates, 3～5 parts of vinyl pyrrolidones and 3～5 parts of nano boric acid lanthanums.
It is further preferred that described fumarate mixture the ratio of each component is: 5～6 parts of fumaric acid esters in the last of the ten Heavenly stems, 12 ～15 parts of rich horse Colophonium Ji Shusi alcohol esters, 13～19 parts of dimethyl fumarates.
Above-mentioned additive obtains by the following method: by 45～50 parts of white oils and 5～6 parts of fumaric acid esters in the last of the ten Heavenly stems, 12～15 Part rich horse Colophonium Ji Shusi alcohol ester, 13～19 parts of dimethyl fumarates mixing, add 10～12 parts of vinylacetates, 3～5 parts Vinyl pyrrolidone and 3～5 parts of nano boric acid lanthanums, slowly liter high-temperature is to 45～55 DEG C, is stirred vigorously 2～3 hours, then adds Enter 0.1～0.2 part of benzoyl peroxide, continue stirring 2～3 hours, cooling, obtain additive.
It is further preferred that in above-mentioned preparation process, after adding benzoyl peroxide, control mixing speed so that it is temperature It is naturally held in 70～75 DEG C.
Beneficial effect: containing a small amount of graphite in inventive formulation, possibly together with the interpolation of a small amount of bentonite, the especially present invention Introducing nitrogen-containing group in agent, each component synergism makes it have certain dispersive property, can be effectively improved in lubricating oil The shapes and sizes of wax crystal, thus there is more preferably depression effeCt.Meanwhile, with traditional lubrication oil phase ratio, dispersion is eliminated Agent.
Additionally, the base oil of the present invention is mineral oil, by adding nano boric acid lanthanum and each component synergism, can not only Keeping low temperature to use, and make the lubricating oil used at low temperatures keep preferable wear resistence, prepared lubricating oil finished product has Good tribological property, extreme pressure property is also increased dramatically, lubricating oil oily based on being greatly improved mineral oil Range of application, simultaneously because it can reduce environmental pollution rapidly with biodegradation, compared with conventional lubricating oil, have Bigger advantage.
Detailed description of the invention:
Embodiment 1
The low temperature resistant high wearproof lubricant of mineral oil base, its component and content according to mass fraction is:
Wherein additive raw material includes according to mass fraction: 45 parts of white oils, 30 parts of fumarate mixture, 10 parts of acetic acid second Alkene ester, 3 parts of vinyl pyrrolidones and 3 parts of nano boric acid lanthanums.
Wherein in fumarate mixture, each component according to the proportioning of mass fraction is: 5 parts of fumaric acid esters in the last of the ten Heavenly stems, 12 parts of rich horses Colophonium Ji Shusi alcohol ester, 13 parts of dimethyl fumarates.
Wherein the preparation method of additive is: by 45 parts of white oils and 5 parts of fumaric acid esters in the last of the ten Heavenly stems, 12 parts of rich horse Colophonium seasons defend tetrol Ester, 13 parts of dimethyl fumarate mixing, add 10 parts of vinylacetates, 3 parts of vinyl pyrrolidones and 3 parts of nano boric acids Lanthanum, slowly liter high-temperature is to 45 DEG C, is stirred vigorously 2 hours, adds 0.1 part of benzoyl peroxide, controls mixing speed so that it is Temperature is naturally held in 70 DEG C, continues stirring 2 hours, cooling, obtains additive, gained additive mean molecule quantity 47000.
Embodiment 2
The low temperature resistant high wearproof lubricant of mineral oil base, its component and content according to mass fraction is:
Wherein additive raw material includes according to mass fraction: 50 parts of white oils, 40 parts of fumarate mixture, 12 parts of acetic acid second Alkene ester, 5 parts of vinyl pyrrolidones and 5 parts of nano boric acid lanthanums.
Wherein in fumarate mixture, each component according to the proportioning of mass fraction is: 6 parts of fumaric acid esters in the last of the ten Heavenly stems, 15 parts of rich horses Colophonium Ji Shusi alcohol ester, 19 parts of dimethyl fumarates.
Wherein the preparation method of additive is: by 50 parts of white oils and 6 parts of fumaric acid esters in the last of the ten Heavenly stems, 15 parts of rich horse Colophonium seasons defend tetrol Ester, 19 parts of dimethyl fumarate mixing, add 12 parts of vinylacetates, 5 parts of vinyl pyrrolidones and 5 parts of nano boric acids Lanthanum, slowly liter high-temperature is to 55 DEG C, is stirred vigorously 3 hours, adds 0.2 part of benzoyl peroxide, controls mixing speed so that it is Temperature is naturally held in 75 DEG C, continues stirring 3 hours, cooling, obtains additive, gained additive mean molecule quantity 49000.
Embodiment 3
The low temperature resistant high wearproof lubricant of mineral oil base, its component and content according to mass fraction is:
Wherein additive raw material includes according to mass fraction: 48 parts of white oils, 35 parts of fumarate mixture, 11 parts of acetic acid second Alkene ester, 4 parts of vinyl pyrrolidones and 4 parts of nano boric acid lanthanums.
Wherein in fumarate mixture, each component according to the proportioning of mass fraction is: 6 parts of fumaric acid esters in the last of the ten Heavenly stems, 13 parts of rich horses Colophonium Ji Shusi alcohol ester, 16 parts of dimethyl fumarates.
Wherein the preparation method of additive is: by 48 parts of white oils and 6 parts of fumaric acid esters in the last of the ten Heavenly stems, 13 parts of rich horse Colophonium seasons defend tetrol Ester, 16 parts of dimethyl fumarate mixing, add 11 parts of vinylacetates, 4 parts of vinyl pyrrolidones and 4 parts of nano boric acids Lanthanum, slowly liter high-temperature is to 50 DEG C, is stirred vigorously 2～3 hours, adds 0.15 part of benzoyl peroxide, controls mixing speed, Make its temperature be naturally held in 75 DEG C, continue stirring 2.5 hours, cooling, obtain additive, gained additive mean molecule quantity 51000。
Embodiment 4
The low temperature resistant high wearproof lubricant of mineral oil base, its component and content according to mass fraction is:
Wherein additive raw material includes according to mass fraction: 46 parts of white oils, 32 parts of fumarate mixture, 10 parts of acetic acid second Alkene ester, 3 parts of vinyl pyrrolidones and 4 parts of nano boric acid lanthanums.
Wherein in fumarate mixture, each component according to the proportioning of mass fraction is: 5 parts of fumaric acid esters in the last of the ten Heavenly stems, 13 parts of rich horses Colophonium Ji Shusi alcohol ester, 14 parts of dimethyl fumarates.
Wherein the preparation method of additive is: by 46 parts of white oils and 5 parts of fumaric acid esters in the last of the ten Heavenly stems, 13 parts of rich horse Colophonium seasons defend tetrol Ester, 14 parts of dimethyl fumarate mixing, add 10 parts of vinylacetates, 3 parts of vinyl pyrrolidones and 4 parts of nano boric acids Lanthanum, slowly liter high-temperature is to 45 DEG C, is stirred vigorously 2 hours, adds 0.15 part of benzoyl peroxide, controls mixing speed, makes Its temperature is naturally held in 72 DEG C, continues stirring 2 hours, cooling, obtains additive, gained additive mean molecule quantity 49500.
Embodiment 5
The low temperature resistant high wearproof lubricant of mineral oil base, its component and content according to mass fraction is:
Wherein additive raw material includes according to mass fraction: 49 parts of white oils, 38 parts of fumarate mixture, 12 parts of acetic acid second Alkene ester, 4 parts of vinyl pyrrolidones and 5 parts of nano boric acid lanthanums.
Wherein in fumarate mixture, each component according to the proportioning of mass fraction is: 6 parts of fumaric acid esters in the last of the ten Heavenly stems, 14 parts of rich horses Colophonium Ji Shusi alcohol ester, 18 parts of dimethyl fumarates.
Wherein the preparation method of additive is: by 49 parts of white oils and 6 parts of fumaric acid esters in the last of the ten Heavenly stems, 14 parts of rich horse Colophonium seasons defend tetrol Ester, 18 parts of dimethyl fumarate mixing, add 12 parts of vinylacetates, 4 parts of vinyl pyrrolidones and 5 parts of nano boric acids Lanthanum, slowly liter high-temperature is to 55 DEG C, is stirred vigorously 2.5 hours, adds 0.15 part of benzoyl peroxide, controls mixing speed, Make its temperature be naturally held in 75 DEG C, continue stirring 2.5 hours, cooling, obtain additive, gained additive mean molecule quantity 50600。
Experiment 1:
By the lubricating oil obtained by embodiment 1～5, carrying out performance test, result is as shown in the table:
Experiment 2:
Experiment uses M200 type ring block friction and wear tester.Test block is motionless, is rotated by main shaft and makes test ring on block Rotating, ring is immersed in oil sump, and the annulus of rotation takes oil to and is lubricated between friction pair.
Test block uses 45# steel, hardness 82 88HRB, and test ring is bearing steel, vacuum hardening, and hardness is 60～62HRC, Experimental temperature is 24 DEG C, and rotating speed is 260r/min, every time experiment pivoting friction time 45min.Before and after abrasion, test block quality is with tight Close balance measurement, before weighing, test block is first cleaned in petroleum ether with ultrasound wave, then cleans in dehydrated alcohol, shows with ordinary optical Micro mirror observes friction surface pattern, carries out assistant analysis.
Wear extent contrast and experiment is as shown in the table:

Claims (6)

1. the low temperature resistant high wearproof lubricant of mineral oil base, it is characterised in that according to the mass fraction, each component proportioning is:
Wherein said base oil is mineral oil；Containing nano boric acid lanthanum in described additive.
The low temperature resistant high wearproof lubricant of mineral oil base the most according to claim 1, it is characterised in that described coupling agent is single Alkyl titanate.
The low temperature resistant high wearproof lubricant of mineral oil base the most according to claim 1, it is characterised in that described additive, its Raw material includes: white oil, fumarate mixture, vinylacetate, vinyl pyrrolidone and nano boric acid lanthanum；By mass fraction Meter, proportioning is 45～50 parts of white oils, 30～40 parts of fumarate mixture, 10～12 parts of vinylacetates, 3～5 parts of vinyls Ketopyrrolidine and 3～5 parts of nano boric acid lanthanums.
The low temperature resistant high wearproof lubricant of mineral oil base the most according to claim 1, it is characterised in that described fumarate Mixture the ratio of each component is: 5～6 parts of fumaric acid esters in the last of the ten Heavenly stems, 12～15 parts of rich horse Colophonium Ji Shusi alcohol esters, 13～19 parts of richnesses Horse dimethyl phthalate.
The low temperature resistant high wearproof lubricant of mineral oil base the most according to claim 3, it is characterised in that described additive leads to Cross following method to obtain: by 45～50 parts of white oils and 5～6 parts of fumaric acid esters in the last of the ten Heavenly stems, 12～15 parts of rich horse Colophonium Ji Shusi alcohol esters, 13 ～19 parts of dimethyl fumarate mixing, add 10～12 parts of vinylacetates, 3～5 parts of vinyl pyrrolidones and 3～5 parts Nano boric acid lanthanum, slowly liter high-temperature is to 45～55 DEG C, is stirred vigorously 2～3 hours, adds 0.1～0.2 part of benzoyl peroxide first Acyl, continues stirring 2～3 hours, cooling, obtains additive.
The low temperature resistant high wearproof lubricant of mineral oil base the most according to claim 5, it is characterised in that in preparation process, add After entering benzoyl peroxide, control mixing speed so that it is temperature is naturally held in 70～75 DEG C.
CN201610398109.4A 2016-06-07 2016-06-07 A kind of low temperature resistant high wearproof lubricant of mineral oil base Pending CN106085561A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110373247A (en) * 2019-07-18 2019-10-25 南京理工大学 Functional graphene/montmorillonite/boric acid lanthanide composite material lube oil additive
CN112480998A (en) * 2019-09-12 2021-03-12 中国石油化工股份有限公司 Gearbox oil composition

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JP2015004036A (en) * 2013-06-24 2015-01-08 住鉱潤滑剤株式会社 Lubricant composition

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CN102952233A (en) * 2011-08-18 2013-03-06 中国石油化工股份有限公司 Polymer used in lubricating oil pour point depressing, lubricating oil pour point depressant, and preparation method thereof
JP2015004036A (en) * 2013-06-24 2015-01-08 住鉱潤滑剤株式会社 Lubricant composition

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110373247A (en) * 2019-07-18 2019-10-25 南京理工大学 Functional graphene/montmorillonite/boric acid lanthanide composite material lube oil additive
CN110373247B (en) * 2019-07-18 2021-09-21 南京理工大学 Functional graphene/montmorillonite/lanthanum borate composite lubricating oil additive
CN112480998A (en) * 2019-09-12 2021-03-12 中国石油化工股份有限公司 Gearbox oil composition

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