CN103965997A - Special lubricating oil composition for circulatory system of paper machine - Google Patents
Special lubricating oil composition for circulatory system of paper machine Download PDFInfo
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Abstract
The invention provides a special lubricating oil composition for a circulatory system of a paper machine. The composition comprises: (A) at least one deeply refined mineral oil with high viscosity index or synthetic oil, or arbitrary composition of the above components; (B) at least one sulfurous extreme pressure additive; (C) at least one phosphorus anti-wear additive; (D) at least one emulsifying additive; (E) at least one antifoam additive; (F) at least one metal passivator; (G) at least one antioxidant; and (H) at least one metal detergent. The above lubricating oil composition can meet the requirements of N100, 150, 220 and 320 viscosity grades, has excellent extreme pressure abrasion resistance, filterability, emulsification resistance, foaming resistance, air release property, thermal oxidation stability, rust and corrosion resistance and high temperature detergency, and is applicable to lubrication of the circulatory system of the paper machine.
Description
(1) technical field
The present invention relates to a kind of lubricating oil composition, especially a kind of for paper machine circulations system oil composition, belong to lubricating oil and lubricating oil additive technical field.
(2) background technology
Paper machine circulations system-specific oil (being called for short PMO) is the new oil product of a class arising at the historic moment to high speed large scale development because of paper industry.Along with the development of paper machine equipment, the design of paper machine is high speed, wide cut more and more.The operating mode of paper machine circulations system is high temperature, has certain load, likely contacts water, compares with gear train assembly is lubricated with general hydraulic efficiency system, higher to the performance requriements of oil product.The paper making equipment recycle system has following characteristics: (1), because Large Paper Machine is serialization to be produced, the loss that shutdown causes is very large, therefore wishes that oil product has longer work-ing life; (2) even if the working condition requirement lubricating oil of paper machine is sneaked into also separation very soon of water, and there is good strainability, prevent the obstruction of filtering system; (3) parts of circulation lubrication system are copper materials, require to have good antirust, antiseptic property; (4) circulation lubrication system, except lubricating bearings, is also wanted oilgear, requires lubricating oil to have good extreme pressure and antiwear behavior; (5) the working condition requirement lubricating oil of high temperature has good detergency, to prevent carbon deposit deposition.Therefore, paper machine circulations system-specific oil is a kind of highly difficult lubricating oil that integrates gear oil, hydraulic efficiency oil, I. C. engine oil.By domestic and international patent consulting, find no the publication of associated viscera.On market, there are at present some paper machine circulations system-specific oil productions, but the concrete composition of its base oil, additive is not yet had to disclosed bibliographical information.Paper machine circulations system-specific lubricating oil composition provided by the invention can meet the lubricated of all paper machine circulations systems, that a kind of excellent property, usability are wide, the paper machine circulations system oil composition of highly versatile, and compare with other paper machine circulations system oil there is better thermo-oxidative stability, minute water-based energy, strainability, anti-bubble, air release property, resistance to rust and corrosion, extreme pressure anti-wear and high temperature detergency.
(3) summary of the invention
The object of the invention is: a kind of paper machine circulations system-specific lubricating oil composition is provided, there is good thermo-oxidative stability, parts detergency, resistance to rust and corrosion, extreme pressure anti-wear, minute water-based and filterableness, both can meet the lubricated of industrial gear, bearing arrangement, can meet the lubricated of hydraulic efficiency system simultaneously, and there is outstanding high temperature detergency, be a kind of oil universal for paper machine circulations system, outstanding feature is filterableness, minute water-based, anti-bubble, air release property and extreme pressure anti-wear.
The present invention for achieving the above object, to each base oil component in lubricating oil composition, binder component is selected meticulously, and to each component oil, interaction relationship between each component function additive and base oil and additive has carried out comprehensive and systematic research, the extreme pressure anti-wear of lubricating oil composition, parts detergency, divide water-based and the filterableness emphasis as research, to reaching lubricating oil composition of the present invention, both can meet industrial gear, lubricating of bearing, can meet again the lubricated of hydraulic efficiency system, can meet the lubricated of oil paper machine circulations system simultaneously, and there is outstanding high temperature detergency, extreme pressure anti-wear, divide water-based and filterableness.
The paper machine circulations system-specific lubricating oil composition of the present invention's allotment, the sulphur content of product is 900～4500ppm(quality), phosphorus content is 450～1500ppm(quality), nitrogen content is 200～800ppm (quality), calcium contents is 50～200ppm (quality), there is good extreme pressure anti-wear, high temperature detergency, thermal oxidation stability, divide water-based, filterableness, anti-bubble and air release property energy, product meets N100, 150, 220, 320 viscosity grade requirements, the dosage that adds with 0.94-4.5wt% has passed through copper strip test well, liquid-phase corrosion test, demulsibility test, filterableness test, anti-bubble test, air release value test, rotating bomb oxidation test, the test of ASTM D943 oxidation stability, the test of FZG gear mechanism and Timken test.Can meet the lubricating requirement of industrial gear, bearing and hydraulic efficiency system simultaneously, more can meet the lubricated of paper machine circulations system.This products production cost is low, and applied range can meet the lubricated of various industrial gears, industrial bearing, hydraulic efficiency system, paper machine circulations system, has good economic benefit and social benefit.This lubricating oil composition allotment is convenient, and excellent property, has wide popularizing application prospect.
Paper machine circulations system-specific lubricating oil composition of the present invention, it contains: (A) the dark refined mineral oil of at least one high viscosity index (HVI), or synthetic oil, or the arbitrary composition of above component; (B) at least one sulfur-bearing extreme-pressure additive; (C) at least one phosphorous wear preventive additive; (D) at least one emulsifying additive; (E) at least one anti-foam additive; (F) at least one metal passivator; (G) at least one oxidation inhibitor; (H) at least one metal detergent.Said (A) is the dark refined mineral oil of high viscosity index (HVI), or synthetic oil, or the arbitrary composition of above component, and said lubricating oil composition is containing (A) component 95.30～99.58wt%; Said (B) is dialkyl sulfide, or dialkyl disulfides ether, or dialkyl dithio amino formate, or dialkyl dithiophosphate, or trialkyl phosphorodithioate, or the mixture of their arbitrary combination, said lubricating oil composition is containing (B) component 0.1～1.0wt%; Said (C) is phosphoric acid ester or phosphorous acid ester or phosphonic acid ester, or the mixture of their arbitrary combination, and said lubricating oil composition is containing (C) component 0.1～1.0wt%; Said (D) is polyol esters of fatty acids, or CALCIUM ACRYLATE fatty alcohol, or sodium alkyl benzene sulfonate, or the mixture of their arbitrary combination, and said lubricating oil composition is containing (D) component 0.1～0.5wt%; Said (E) is SYNPERONIC PE/F68, or polyglycol ether, or dimethyl siloxane, or the mixture of their arbitrary combination, and said lubricating oil composition is containing (E) component 0.01～0.1wt%; Said (F) is 124 Triazole dialkylamine formaldehyde condensation products, and said lubricating oil composition is containing (F) component 0.01～0.1wt%; Said (G) is 2,6-ditertbutylparacresol or N-phenyl alpha-naphthylamine, or dialkyl diphenylamine, or the mixture of their arbitrary combination, and said lubricating oil composition is containing (G) component 0.1～1.0wt%; Said (H) is alkyl sodium salicylate, or alkyl benzene calcium sulfonate, or calcium sulfenyl phenolate, or the mixture of their arbitrary combination, and said lubricating oil composition is containing (H) component 0.1～1.0wt%.
Further, paper machine circulations system-specific lubricating oil composition of the present invention, it contains: (A) the dark refined mineral oil of at least one high viscosity index (HVI), or synthetic oil, or the arbitrary composition of above component; (B) at least one sulfur-bearing extreme-pressure additive; (C) at least one phosphorous wear preventive additive; (D) at least one emulsifying additive; (E) at least one anti-foam additive; (F) at least one metal passivator; (G) at least one oxidation inhibitor; (H) at least one metal detergent.
Wherein said (A) is isomerization dewaxing hydrogenated base oil, or poly-а-alkene synthetic oil, or synthetic ester lubricant, or the arbitrary composition of above component, said lubricating oil composition, and the Optimum Contents that contains (A) component is 95.50～99.06wt%;
(B) what component was more suitable is di-t-butyl thioether, or di-tert-butyl disulfide, or second, n-butyl dithiocarbamate ester, or dibutyldithiophosphate, or three normal-butyl phosphorodithioate, or the mixture of their arbitrary combination, the Optimum Contents of component (B) in lubricating oil composition is 0.2～1.0wt%;
(C) what component was more suitable is tritolyl phosphate, or phosphorous acid dodecyl ester, or phosphonic acids dodecyl ester, or the mixture of their arbitrary combination, and the Optimum Contents of component (C) in lubricating oil composition is 0.2～1.0wt%;
(D) what component was more suitable is oleic acid glycol ester, or oleic acid glycerine ester, or pentaerythritol oleate, or vinylformic acid lauryl alcohol ester, or vinylformic acid stearyl alcohol ester, or eicosyl benzene sulfonic acid sodium salt, or docosyl benzene sulfonic acid sodium salt, or tetracosyl benzene sulfonic acid sodium salt, or the mixture of their arbitrary combination, the Optimum Contents of component (D) in lubricating oil composition is 0.2～0.5wt%;
(E) what component was more suitable is SYNPERONIC PE/F68, or polyglycol ether, or dimethyl siloxane, or the mixture of their arbitrary combination, and the Optimum Contents of component (E) in lubricating oil composition is 0.02～0.10wt%;
(F) what component was more suitable is 124 Triazole Di-n-Butyl Amine formaldehyde condensation products, or 124 Triazole two n-octyl amine formaldehyde condensation products, or the mixture of their arbitrary combination, and the Optimum Contents of component (F) in lubricating oil composition is 0.02～0.1wt%;
(G) component is more suitable is 2,6-ditertbutylparacresol or N-phenyl alpha-naphthylamine, or di-n-butyl pentanoic, or di-n-octyl pentanoic, or dinonyldiphenylamine, or the mixture of their arbitrary combination, the Optimum Contents of component (F) in lubricating oil composition is 0.2～1.0wt%;
(H) what component was more suitable is C14-18 alkyl sodium salicylate, or C20-24 alkyl benzene calcium sulfonate, or C10-14 calcium sulfenyl phenolate, or the mixture of their arbitrary combination, and the Optimum Contents of component (H) in lubricating oil composition is 0.1～0.8wt%.
Method for making: the preparation method of above-mentioned paper machine circulations system-specific lubricating oil composition is: first the component oil of aequum (A) is in proportion added in the stainless steel blending kettle of belt stirrer, secondly by sulfur-bearing extreme-pressure additive (B), phosphorous wear preventive additive (C), emulsifying additive (D), anti-foam additive (E), metal passivator (F), oxidation inhibitor (G), the metal detergent (H) of aequum in proportion, at 50～60 ℃, stir 4 hours, to mixture homogeneous transparent.
In order to screen binder component and lubricating oil composition, the present invention has adopted various test methods to carry out simulation evaluation in laboratory.Wherein there is lubricating oil extreme pressure property assay method (GB/T3142), lubrication oil antiwear performance measurement method (SH/T0189), lubricating oil antifoam property assay method (ASTM D892), lubricating oil high-temp antifoam property assay method (ASTM D6082), lubricating oil oxidation stability assay method (rotary oxygen bomb method) (SH/T0193), lubricating oil oxidation stability assay method (ASTM D943), lubricating oil resistance to emulsion pipette method (GB/T7305), lubricating oil has water to have lower strainability assay method (Pall FIT-PMO Rev.4), lubricating oil air release value assay method (SH/T0308).
In order to evaluate lubricating oil composition, adopted petroleum products copper strip test (GB/T5096 or ASTM D130), FZG gear mechanism test (ASTM D5182 or DIN51354), lubricating oil rust prevention test (ASTM D665B), Timken tests (GB/T11144).
(4) embodiment
Effect of the present invention further illustrates by the following examples.But should understand, the following examples do not limit the scope of the invention, any change that does not exceed design of the present invention and scope, all within the scope of the present invention.
Embodiment 1:
Lubricating oil composition (I), it comprises: poly-а-alkene synthetic oil PAO40 of 19.57wt%, the grand celebration hydroisomerization dewax base oil VHVI H300 (component A) of 78.29wt%; The di-tert-butyl disulfide of 0.50wt%, the three normal-butyl phosphorodithioates (B component) of 0.30wt%; The tritolyl phosphate of 0.25wt%, the phosphonic acids dodecyl ester (component C) of 0.25wt%; The oleic acid glycol ester of 0.30wt% (component D); The polyglycol ether of 0.02wt% (component E); The 124 Triazole two n-octyl amine formaldehyde condensation products (component F) of 0.02wt%; 0.20wt% 2,6-ditertbutylparacresol, the dinonyldiphenylamine of 0.10wt% (component G); The C20-24 alkyl benzene calcium sulfonate (component H) of 0.20wt%.Lubricating oil composition (II) is except the oleic acid glycol ester of component (D) 0.30wt% is substituted by the vinylformic acid lauryl alcohol ester of 0.30wt%, and all the other are same composition (I) all.Lubricating oil composition (III) is except the oleic acid glycol ester of component (D) 0.30wt% is substituted by the vinylformic acid stearyl alcohol ester of 0.30wt%, and all the other are same composition (I) all.Lubricating oil composition (IV) is except the oleic acid glycol ester of component (D) 0.30wt% is substituted by the eicosyl benzene sulfonic acid sodium salt of 0.30wt%, and all the other are same composition (I) all.In the salient features table 1 of composition (I), (II), (III), (IV).
Table 1 composition salient features
As can be seen from the table: (1) dissimilar emulsifying additive has considerable influence to the demulsification performance of oil product and strainability; (2) demulsification performance of oil product and filterableness 0 can be conflicts, and the emulsifying property that improves oil product will certainly reduce the strainability of oil product; (3) product of the present invention is by used the emulsifying additive of special construction, demulsification performance and strainability that oil product has been had simultaneously.
Embodiment 2:
Lubricating oil composition (V), it comprises: poly-а-alkene synthetic oil PAO10 of 28.79wt%, poly-а-alkene synthetic oil PAO40 (component A) of 47.99wt%, the synthetic ester lubricant of 20.0wt%; The di-t-butyl thioether of 0.20wt%, the dibutyldithiophosphate of 0.50wt% (B component); The tritolyl phosphate of 0.50wt%, the phosphorous acid dodecyl ester (component C) of 0.25wt%; The vinylformic acid lauryl alcohol ester (component D) of 0.50wt%; The dimethyl siloxane of 0.02wt% (component E); The 124 Triazole Di-n-Butyl Amine formaldehyde condensation products (component F) of 0.10wt%; 0.50wt% 2,6-ditertbutylparacresol, the N-phenyl alpha-naphthylamine (component G) of 0.15wt%; The C14-18 alkyl sodium salicylate (component H) of 0.50wt%.Lubricating oil composition (VI) is except the tritolyl phosphate of component (C) 0.50wt% and the phosphorous acid dodecyl ester of 0.25wt% are substituted by the phosphonic acids dodecyl ester of the tritolyl phosphate of 0.50wt% and 0.25wt%, and all the other are same composition (V) all.In the main character of composition (V), (VI), performance list 2.
Table 2 composition main character performance
Table 2 result shows, the abrasion resistance of phosphorous acid dodecyl ester is better than phosphonic acids dodecyl ester, but the antioxidant property of phosphonic acids dodecyl ester is better than phosphorous acid dodecyl ester.
Embodiment 3:
Lubricating oil composition (VII), it comprises: poly-а-alkene synthetic oil PAO10 of 28.95wt%, poly-а-alkene synthetic oil PAO40 (component A) of 67.55wt%; The di-tert-butyl disulfide of 0.10wt%, the second, n-butyl dithiocarbamate ester (B component) of 0.90wt%; The tritolyl phosphate of 0.50wt%, the phosphonic acids dodecyl ester of 0.25wt%, the phosphorous acid dodecyl ester (component C) of 0.25wt%; The oleic acid glycol ester of 0.30wt%, the vinylformic acid lauryl alcohol ester of 0.10wt%, the docosyl benzene sulfonic acid sodium salt (component D) of 0.10wt%; The SYNPERONIC PE/F68 of 0.06wt%, 0.02wt% dimethyl siloxane, the polyglycol ether of 0.02wt% (component E); The 124 Triazole two n-octyl amine formaldehyde condensation products (component F) of 0.10wt%; 0.50wt% 2,6-ditertbutylparacresol, the dinonyldiphenylamine of 0.25wt%, the N-phenyl alpha-naphthylamine (component G) of 0.25wt%; The C14-18 alkyl sodium salicylate (component H) of 0.80wt%.Lubricating oil composition (VIII) is except the C14-18 alkyl sodium salicylate of component (H) 0.80wt% is substituted by the C20-24 alkyl benzene calcium sulfonate of 0.80wt%, and all the other are same composition (VII) all.Lubricating oil composition (IX) is except the C14-18 alkyl sodium salicylate of component (H) 0.80wt% is substituted by the C10-14 calcium sulfenyl phenolate of 0.80wt%, and all the other are same composition (VII) all.Lubricating oil composition (X) is except the C14-18 alkyl sodium salicylate of component (H) 0.80wt% is substituted by the C10-14 calcium sulfenyl phenolate of the C14-18 alkyl sodium salicylate of 0.60wt% and 0.20wt%, and all the other are same composition (VII) all.Lubricating oil composition (XI) is except the C14-18 alkyl sodium salicylate of component (H) 0.80wt% is substituted by the C10-14 calcium sulfenyl phenolate of the C20-24 alkyl benzene calcium sulfonate of 0.60wt% and 0.20wt%, and all the other are same composition (VII) all.In the main character of composition (VII), (VIII), (IX), (X), (XI), performance list 3.
Table 3 composition main character, performance
Table 3 result shows, different classes of metal detergent is larger on the impact of oil product high temperature detergency.Two kinds of metal detergent compound use effects are comparatively desirable.
Embodiment 4:
Compositions of additives (XII), it comprises: poly-а-alkene synthetic oil PAO10 of 9.69wt%, poly-а-alkene synthetic oil PAO40 (component A) of 87.21wt%; The di-tert-butyl disulfide of 0.20wt%, the three normal-butyl phosphorodithioates of 0.25wt%, the second, n-butyl dithiocarbamate ester (B component) of 0.25wt%; The tritolyl phosphate of 0.50wt%, the phosphonic acids dodecyl ester (component C) of 0.20wt%; The vinylformic acid lauryl alcohol ester (component D) of 0.20wt%; The polyglycol ether of 0.10wt% (component E); The 124 Triazole two n-octyl amine formaldehyde condensation products (component F) of 0.10wt%; 0.50wt% 2,6-ditertbutylparacresol, the dinonyldiphenylamine of 0.25wt%, the N-phenyl alpha-naphthylamine (component G) of 0.25wt%; The C20-24 alkyl benzene calcium sulfonate of 0.20wt%, the C10-14 calcium sulfenyl phenolate (component H) of 0.10wt%.In the evaluation result list 4 of composition (XII).
Table 4 composition (XII) evaluation result
Experimental result shows, lubricating oil composition (XII) has good extreme pressure anti-wear, filterableness, resistance to emulsion, anti-bubble, thermal oxidation stability, resistance to rust and corrosion and high temperature detergency, the requirement that touches the mark completely, is applicable to the lubricated of paper machine circulations system.
Claims (9)
1. a paper machine circulations system-specific lubricating oil composition, is characterized in that it contains:
(A) the dark refined mineral oil of at least one high viscosity index (HVI), or synthetic oil, or the arbitrary composition of above component, composition contains component (A) 95.30～99.58wt%,
(B) at least one sulfur-bearing extreme-pressure additive, is dialkyl sulfide, or dialkyl disulfides ether, or dialkyl dithio amino formate, or dialkyl dithiophosphate, or trialkyl phosphorodithioate, or the mixture of their arbitrary combination, composition is containing component (B) 0.1～1.0wt%
(C) at least one phosphorous wear preventive additive, is phosphoric acid ester or phosphorous acid ester or phosphonic acid ester, or the mixture of their arbitrary combination, and composition contains component (C) 0.1～1.0wt%,
(D) at least one emulsifying additive, is polyol esters of fatty acids, or CALCIUM ACRYLATE fatty alcohol, or sodium alkyl benzene sulfonate, or the mixture of their arbitrary combination, and composition contains component (D) 0.1～0.5wt%,
(E) at least one anti-foam additive, is SYNPERONIC PE/F68, or polyglycol ether, or dimethyl siloxane, or the mixture of their arbitrary combination, and composition contains component (E) 0.01～0.1wt%,
(F) at least one metal passivator, is 124 Triazole dialkylamine formaldehyde condensation products, and composition contains component (F) 0.01～0.1wt%,
(G) at least one oxidation inhibitor, is 2,6-ditertbutylparacresol or N-phenyl alpha-naphthylamine, or dialkyl diphenylamine, or the mixture of their arbitrary combination, and composition is containing component (G) 0.1～1.0wt%,
(H) at least one metal detergent, is alkyl sodium salicylate, or alkyl benzene calcium sulfonate, or calcium sulfenyl phenolate, or the mixture of their arbitrary combination, and composition is containing component (H) 0.1～1.0wt%.
2. paper machine circulations system-specific lubricating oil composition according to claim 1, it is characterized in that (A) component is isomerization dewaxing hydrogenated base oil, or poly-а-alkene synthetic oil, or synthetic ester lubricant, or the arbitrary composition of above component, Optimum Contents is 95.50～99.06wt%.
3. paper machine circulations system-specific lubricating oil composition according to claim 1, it is characterized in that (B) component is di-t-butyl thioether, or di-tert-butyl disulfide, or second, n-butyl dithiocarbamate ester, or dibutyldithiophosphate, or three normal-butyl phosphorodithioates, or the mixture of their arbitrary combination, Optimum Contents is 0.2～1.0wt%.
4. paper machine circulations system-specific lubricating oil composition according to claim 1, it is characterized in that (C) component is tritolyl phosphate, or phosphorous acid dodecyl ester, or phosphonic acids dodecyl ester, or the mixture of their arbitrary combination, Optimum Contents is 0.2～1.0wt%.
5. paper machine circulations system-specific lubricating oil composition according to claim 1, it is characterized in that (D) component is oleic acid glycol ester, or oleic acid glycerine ester, or pentaerythritol oleate, or vinylformic acid lauryl alcohol ester, or vinylformic acid stearyl alcohol ester, or eicosyl benzene sulfonic acid sodium salt, or docosyl benzene sulfonic acid sodium salt, or tetracosyl benzene sulfonic acid sodium salt, or the mixture of their arbitrary combination, Optimum Contents is 0.2～0.5wt%.
6. paper machine circulations system-specific lubricating oil composition according to claim 1, it is characterized in that (E) component is SYNPERONIC PE/F68, or polyglycol ether, or dimethyl siloxane, or the mixture of their arbitrary combination, Optimum Contents is 0.02～0.10wt%.
7. paper machine circulations system-specific lubricating oil composition according to claim 1, it is characterized in that (F) component is 124 Triazole Di-n-Butyl Amine formaldehyde condensation products, or 124 Triazole two n-octyl amine formaldehyde condensation products, or the mixture of their arbitrary combination, Optimum Contents is 0.02～0.10wt%.
8. paper machine circulations system-specific lubricating oil composition according to claim 1, it is characterized in that (G) component is 2,6-ditertbutylparacresol or N-phenyl alpha-naphthylamine, or di-n-butyl pentanoic, or di-n-octyl pentanoic, or dinonyldiphenylamine, or the mixture of their arbitrary combination, Optimum Contents is 0.2～1.0wt%.
9. paper machine circulations system-specific lubricating oil composition according to claim 1, it is characterized in that (H) component is C14-18 alkyl sodium salicylate, or C20-24 alkyl benzene calcium sulfonate, or C10-14 calcium sulfenyl phenolate, or the mixture of their arbitrary combination, Optimum Contents is 0.1～0.8wt%.
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| CN104845712A (en) * | 2015-04-27 | 2015-08-19 | 苏州劲元油压机械有限公司 | High-performance anti-wear hydraulic oil and preparation method thereof |
| CN105238519A (en) * | 2015-10-19 | 2016-01-13 | 中国石油化工股份有限公司 | Lubricant composition and application thereof |
| CN105802713A (en) * | 2016-04-08 | 2016-07-27 | 苏州捷德瑞精密机械有限公司 | Low-temperature-resistant lubricating oil and preparation method thereof |
| CN108102774A (en) * | 2017-12-26 | 2018-06-01 | 金雪驰科技（马鞍山）有限公司 | A kind of lubricating oil and its application |
| CN108148650A (en) * | 2018-01-03 | 2018-06-12 | 清华大学 | Two-dimensional material micro-nano piece and the compound lubricating oil of carbon quantum dot and preparation method thereof |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104845712A (en) * | 2015-04-27 | 2015-08-19 | 苏州劲元油压机械有限公司 | High-performance anti-wear hydraulic oil and preparation method thereof |
| CN104845712B (en) * | 2015-04-27 | 2018-03-27 | 苏州赛斯德工程设备有限公司 | A kind of high-performance antiwear hydraulic oil and preparation method thereof |
| CN105238519A (en) * | 2015-10-19 | 2016-01-13 | 中国石油化工股份有限公司 | Lubricant composition and application thereof |
| CN105802713A (en) * | 2016-04-08 | 2016-07-27 | 苏州捷德瑞精密机械有限公司 | Low-temperature-resistant lubricating oil and preparation method thereof |
| CN108102774A (en) * | 2017-12-26 | 2018-06-01 | 金雪驰科技（马鞍山）有限公司 | A kind of lubricating oil and its application |
| CN108102774B (en) * | 2017-12-26 | 2021-05-28 | 金雪驰科技（马鞍山）有限公司 | Lubricating oil and application thereof |
| CN108148650A (en) * | 2018-01-03 | 2018-06-12 | 清华大学 | Two-dimensional material micro-nano piece and the compound lubricating oil of carbon quantum dot and preparation method thereof |
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| Publication number | Publication date |
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| CN103965997B (en) | 2016-02-10 |
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