WO2014178669A1 - Engine oil additive composition comprising nanodiamond and method for preparing same - Google Patents
Engine oil additive composition comprising nanodiamond and method for preparing same Download PDFInfo
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- WO2014178669A1 WO2014178669A1 PCT/KR2014/003896 KR2014003896W WO2014178669A1 WO 2014178669 A1 WO2014178669 A1 WO 2014178669A1 KR 2014003896 W KR2014003896 W KR 2014003896W WO 2014178669 A1 WO2014178669 A1 WO 2014178669A1
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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
- C10M161/00—Lubricating compositions characterised by the additive being a mixture of a macromolecular compound and a non-macromolecular compound, each of these compounds being essential
-
- 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
- C10M125/00—Lubricating compositions characterised by the additive being an inorganic material
- C10M125/02—Carbon; Graphite
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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
- C10M133/00—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing nitrogen
- C10M133/02—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing nitrogen having a carbon chain of less than 30 atoms
- C10M133/04—Amines, e.g. polyalkylene polyamines; Quaternary amines
-
- 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
- C10M133/00—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing nitrogen
- C10M133/02—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing nitrogen having a carbon chain of less than 30 atoms
- C10M133/16—Amides; Imides
-
- 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
- C10M141/00—Lubricating compositions characterised by the additive being a mixture of two or more compounds covered by more than one of the main groups C10M125/00 - C10M139/00, each of these compounds being essential
- C10M141/06—Lubricating compositions characterised by the additive being a mixture of two or more compounds covered by more than one of the main groups C10M125/00 - C10M139/00, each of these compounds being essential at least one of them being an organic nitrogen-containing compound
-
- 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
- C10M2201/14—Inorganic compounds or elements as ingredients in lubricant compositions inorganic compounds surface treated with organic compounds
-
- 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
- C10M2207/10—Carboxylix acids; Neutral salts thereof
- C10M2207/12—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms
- C10M2207/125—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of eight up to twenty-nine carbon atoms, i.e. fatty acids
- C10M2207/126—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of eight up to twenty-nine carbon atoms, i.e. fatty acids monocarboxylic
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- 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
- C10M2215/02—Amines, e.g. polyalkylene polyamines; Quaternary amines
- C10M2215/04—Amines, e.g. polyalkylene polyamines; Quaternary amines having amino groups bound to acyclic or cycloaliphatic carbon atoms
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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
- C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
- C10M2215/28—Amides; Imides
-
- 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
- C10N2020/00—Specified physical or chemical properties or characteristics, i.e. function, of component of lubricating compositions
- C10N2020/01—Physico-chemical properties
- C10N2020/055—Particles related characteristics
- C10N2020/06—Particles of special shape or size
-
- 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
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- 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
- C10N2040/25—Internal-combustion engines
-
- 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
- C10N2050/00—Form in which the lubricant is applied to the material being lubricated
- C10N2050/015—Dispersions of solid lubricants
Definitions
- the present invention relates to an engine oil additive composition, and a method for producing the same. Specifically, it relates to an engine oil additive composition in which nanodiamonds are well dispersed in oil.
- Engine oil reduces the friction between metal and metal, exhausts the heat generated from the inside to the outside to cool the engine parts, pumps easily to the main engine parts at low temperatures, and removes harmful debris to remove the internal parts. It keeps clean and maintains stability even at high temperatures to help improve fuel efficiency.
- engine oil plays an important role in the performance of low fuel consumption of internal combustion engines by performing functions such as lubrication, cooling, corrosion prevention, cleaning, etc. in automobiles, ships, and airplanes equipped with internal combustion engines. do.
- engine oils tend to deteriorate in performance due to the deposition of contaminants in the oil and the chemical changes occurring in the oil, in particular the generation of oxidative products.
- the wear-prone metal reacts with other chemical additives in oil to easily oxidize or form secondary oxidation products, which adversely affects the engine.
- Korean Patent No. 10-1205640 relates to a method of preparing nanodiamonds hydrophobicly surface treated using fatty acids and a lubricant including the same, comprising: adding nanodiamonds to oil to form a first mixture ; Adding a mono unsaturated fatty acid and an amine compound to the first mixture to form a second mixture; And a hydrophobic surface-treated nanodiamond comprising a sonication or milling the second mixture with a ball mill, and the lubricant containing the nanodiamond thus prepared has a low coefficient of friction and thus has excellent wear characteristics. It is starting point.
- the present inventors have studied the engine oil additive composition capable of stably dispersing hydrophilic nanodiamond particles in oil for a long time, and as a result, have completed the present invention.
- dispersing agent oleylamine, polyalkenyl succinimide, and oleic acid
- dispersant 0.05 to 10% by weight of oleylamine, 0.01 to 5% by weight of polyalkenyl succinimide, and 0.5 to 35% by weight of oleic acid;
- the hydrophobic surface-modified nanodiamond According to another aspect of the invention, the hydrophobic surface-modified nanodiamond,
- step 3 Reacting the nanodiamonds obtained in the second step with an alkylamine having 16 to 18 carbon atoms (step 3).
- the said polyalkenyl succinimide is polyisobutenyl succinimide, and it is preferable that the said polyisobutenyl group is a number average molecular weight 300-10,000.
- the engine oil additive composition of the present invention comprises a) base oil, b) hydrophobically modified nanodiamonds, and c) specific dispersants such as oleylamine, polyalkenyl succinimide, and oleic acid. (oleic acid).
- the base oil a) used in the present invention can be appropriately selected from mineral oils and synthetic oils that are normally used as base oils for lubricating oils for internal combustion engines, and are not particularly limited.
- PAO poly-alpha-olefin, poly-alpha-olefin
- a polyol ester a wax cracking hydrocarbon, etc.
- any one or two or more of the mineral oils and the synthetic oils may be used in combination.
- the base oil is used in the range of 60 to 99% by weight in 100% by weight of the engine oil additive composition.
- the nanodiamond particles as raw materials are used after surface modification to hydrophobicity.
- Nanodiamond particles used as raw materials in the present invention is produced by the explosion method, the average particle diameter is 4 ⁇ 6nm, the amorphous carbon compound remains on the surface, surrounded by oxygen or hydrogen compounds, most of the particles The grains are agglomerated to form aggregates.
- a method of surface modification of the nanodiamond particles hydrophobicly first, by treating the nanodiamond with an acid, a carboxyl group (ND-COOH) is formed on the surface of the nanodiamond particles.
- the acid used is preferably used by mixing one or two or more selected from the group consisting of hydrochloric acid, nitric acid, sulfuric acid, and hydrogen peroxide.
- the mixing ratio of the acid to be treated is preferably in a weight ratio of hydrochloric acid: nitric acid: hydrogen peroxide, 2 to 4: 1: 1, and most preferably 3: 1: 1.
- the nanodiamond acid treated in the first step is reacted with an acid chloride to replace the carboxyl group formed on the surface of the nanodiamond particle with an acyl chloride group (ND-COCl).
- an acid chloride one or more selected from the group consisting of thionyl chloride (SOCl 2 ), phosphorus trichloride (PCl 3 ), and phosphorus pentachloride (PCl 5 ), which are acid chlorides of inorganic acids, may be used.
- SOCl 2 thionyl chloride
- PCl 3 phosphorus trichloride
- PCl 5 phosphorus pentachloride
- alkylamine is reacted with the nanodiamond particles having the acyl chloride group formed thereon to form an alkylamide group.
- alkylamine it is preferable to use hexadecylamine, heptadecylamine, and octadecylamine which are C16-C18 alkylamines, and especially, to form an octadecylamide group using C18-octadecylamine,
- the dispersant of the present invention there is an effect of obtaining long-term dispersion stability in base oil.
- the nanodiamond particles surface-modified hydrophobicly are more dispersed than the nanodiamond particles before the surface-modification hydrophobicly aggregated in the base oil and are not dispersed. It is effective.
- the hydrophobic surface-modified nanodiamond particles are preferably used in an amount of 0.001 to 0.5% by weight based on 100% by weight of the total engine oil additive composition, and used in an amount of 0.005 to 0.1% by weight. It is more preferable to do.
- the amount of the nanodiamond particles is less than 0.001% by weight, it is difficult to expect the effect of improving wear resistance due to the nanodiamond particles, and when the amount of the nanodiamond particles exceeds 0.5% by weight, the amount of the dispersant used to maintain the dispersion safety of the nanodiamond particles is excessive. It is not desirable to do so.
- the engine oil additive composition of the present invention can be stably dispersed.
- the present invention is c) as a specific dispersant, when using a combination of oleylamine, oleic acid and succinimide-based compound, nanodiamond (ND-ODA) particles having an octadecylamide group on the surface for a long time could be dispersed stably.
- ND-ODA nanodiamond
- a polyalkenyl succinimide such as polyisobutenyl succinimide or morpholinopropyl polyisobutenyl succinimide is used as the succinimide-based compound, Alternatively, morpholinopropyl octenyl succinimide, morpholinopropyl dodecenyl succinimide, dialkyl succinimide, and the like can be used.
- polyalkenyl succinimide it is preferable to use polyalkenyl succinimide, and it is more preferable to use polyisobutenyl succinimide which has a polyisobutenyl group of average molecular weight 300-10,000.
- the engine oil additive composition of the present invention is mixed with oleylamine to hydrophobic surface-modified nanodiamond particles, ie, ND-ODA particles, and dispersed by ultrasonic wave for 10 minutes to 1 hour.
- the polyalkenyl succinimide, oleic acid (oleic acid), and the base oil in the dispersion is prepared by ultrasonic dispersion for 2 hours to 4 hours by ultrasonic.
- the engine oil additive composition of this invention at 3-10 weight part with respect to 100 weight part of engine oil.
- the engine oil additive composition of the present invention has the effect of stably dispersing nanodiamonds in engine oil for a long time.
- the engine oil additive composition of the present invention by nano-diamonds are stably dispersed in the engine oil for a long time, there is an effect of improving the fuel economy by reducing friction and wear.
- the engine oil additive composition of the present invention reduces the frictional heat and prevents degeneration, oxidation, and the like of the engine oil, thereby improving the life of the engine oil.
- FT-IR Fourier Transform Infrared Spectroscopy
- FIG. 2 is a particle cross-sectional photograph of nanodiamonds analyzed by AFT (Atomic Force Microscopy) before acid treatment.
- 3 is FT-IR analysis data that can confirm that the COOH group is attached to the surface of the nanodiamond particles after the acid treatment.
- FIG. 5 is a diagram showing visual observation results immediately after preparing the samples of Examples 2 to 3 and Comparative Examples 1 to 8.
- FIG. 5 is a diagram showing visual observation results immediately after preparing the samples of Examples 2 to 3 and Comparative Examples 1 to 8.
- Acid solution 120 containing 5 g of nanodiamond powder (ND) in a ratio of hydrochloric acid: nitric acid: hydrogen peroxide in a ratio of 3: 1: 1 It was sonicated for 4 hours after addition to ml. The solution was poured into distilled water and washed with water until the filtrate became neutral. After filtration, the product was completely dried at 100 ° C. to remove moisture to obtain particles (ND-COOH) in which COOH groups were formed on the nanodiamond surface.
- ND-COOH nanodiamond powder
- ND powder before acid treatment Fourier Transform Infrared Spectroscopy (FT-IR) analysis showed peaks for OH and CH as shown in FIG. 1, and Atomic Force Microscopy (AFM) analysis results.
- FT-IR Fourier Transform Infrared Spectroscopy
- AFM Atomic Force Microscopy
- FT-IR analysis showed a peak that can confirm the presence of -COOH to confirm that the COOH group is attached to the ND surface.
- ND-COOH powder 2 g was dissolved in SOCl 2 400 After adding to ml and reacting at 70 ° C. for 24 hours, extra SOCl 2 was washed with THF and the resulting powder was vacuum dried. 40 g of octadecylamine was added and reacted at 90-100 ° C. for 4 days. Afterwards, the excess octadecylamine was washed with the ethanol bath. The obtained particles were then stored under vacuum after complete removal of ethanol. The nanodiamond particle (ND-ODA) in which the octadecylamide group was formed in the surface was obtained.
- ND-ODA nanodiamond particle
- Examples 2 and 3 disperse the ND-ODA treated in Example 1 with oleylamine by ultrasound for about 30 minutes.
- Polyalkenyl succinimide, oleic acid, and base oil (S-oil's Ultra-S) are added and ultrasonically dispersed for 3 hours.
- Comparative Examples 2-8 are manufactured by the method similar to Example 2 using the combination of ND-ODA or ND and each dispersing agent or each dispersing agent of Table 1.
- Dispersion stability measuring equipment Youngjin Corporation, LUMiSize was used.
- Dispersion stability test instrument is a method of measuring the absorbance of the lower part of the cell where the particles are precipitated by forcibly settling the particles in the solution by applying gravity arbitrarily. The higher the transmittance at the bottom of the cell where the precipitation occurred, the better the dispersion stability.
- the dispersion stability measuring device LUMiSize is a device that can measure the dispersion stability by STEP technology (Space & Time Resolved Extinction Profile Technology), the measuring principle is using a dispersion equipment (eg homogenizer, homomixer, ultrasonic) So that the dispersion of the liquid-emulsion, or liquid-suspension, takes place for a few months, depending on the degree of dispersion of the de-mixing process. It happens that the de-mixing process is most efficiently implemented in a very short time to measure the dispersion stability.
- STEP technology Space & Time Resolved Extinction Profile Technology
- Example 2 and Example 3 As confirmed in Table 2 above, when the sedimentation rate after 10 minutes was confirmed by using the dispersion stability measuring device LUMiSize, the sedimentation rate of Example 2 and Example 3 was respectively 0.0961% / min and 0.0741% / The low point was found to be min.
- This low sedimentation rate means that the dispersion stability can be maintained stably for a long time due to high dispersion stability, and the engine oil additive composition of the present invention has a storage stability of 2 to 3 times or more than conventional products. It can be seen that the improved.
- Examples 2 and 3 corresponding to the engine oil additive composition of the present invention it is possible to obtain an engine oil additive composition in which nanodiamond particles are stably dispersed in oil, and at the same time, compared to Comparative Examples 1 to 8. It was confirmed that the effect of maintaining stability in the long term is excellent.
- the engine oil additive composition of the present invention is not only excellent in long-term dispersion stability by using hydrophobic surface-modified nano diamond particles with a specific dispersant, but also reduces the friction coefficient to improve the lubricating function of the engine oil. There was.
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Abstract
Description
엔진오일 첨가제 조성물의 제조 (중량%) | |||||||
ND | ND-ODA | OLA | SI | OA | ODA | base oil | |
실시예 2(sample 5) | - | 0.005 | 0.058 | 0.032 | 1.641 | - | 98.264 |
실시예 3(sample 6) | - | 0.010 | 0.116 | 0.027 | 3.282 | - | 96.565 |
비교예 1(sample 1) | 0.005 | - | - | - | 0.0005 | 0.0005 | 99.994 |
비교예 2(sample 3) | - | 0.010 | - | - | - | - | 99.990 |
비교예 3(sample 4) | 0.01 | - | - | - | 3.425 | - | 96.565 |
비교예 4(sample 7) | - | 0.010 | - | 3.425 | - | - | 96.565 |
비교예 5(sample 8) | - | 0.010 | - | - | 3.425 | - | 96.565 |
비교예 6(sample 9) | - | 0.010 | 2.778 | 0.647 | - | - | 96.565 |
비교예 7(sample 10) | - | 0.010 | 0.117 | - | 3.308 | - | 96.565 |
비교예 8(sample 11) | - | 0.010 | - | 0.028 | 3.397 | - | 96.565 |
ND: 소수성으로 표면개질 전의 나노 다이아몬드 ND-ODA: 실시예 1에서 얻어진 소수성으로 표면개질된 나노다이아몬드, 즉, 나노다이아몬드-옥타데실아미드(Nanodiamond- Octadecylamide) OLA: 올레일아민(oleylamine) SI: 폴리이소부테닐 숙신이미드(polyisobutenyl succinimide) OA: 올레산(oleic acid) ODA: 옥타데실아민(octadecylamine) |
Preparation of Engine Oil Additives Composition (wt%) | |||||||
ND | ND-ODA | OLA | SI | OA | ODA | base oil | |
Example 2 (sample 5) | - | 0.005 | 0.058 | 0.032 | 1.641 | - | 98.264 |
Example 3 (sample 6) | - | 0.010 | 0.116 | 0.027 | 3.282 | - | 96.565 |
Comparative Example 1 | 0.005 | - | - | - | 0.0005 | 0.0005 | 99.994 |
Comparative Example 2 | - | 0.010 | - | - | - | - | 99.990 |
Comparative Example 3 | 0.01 | - | - | - | 3.425 | - | 96.565 |
Comparative Example 4 (sample 7) | - | 0.010 | - | 3.425 | - | - | 96.565 |
Comparative Example 5 (sample 8) | - | 0.010 | - | - | 3.425 | - | 96.565 |
Comparative Example 6 (sample 9) | - | 0.010 | 2.778 | 0.647 | - | - | 96.565 |
Comparative Example 7 (sample 10) | - | 0.010 | 0.117 | - | 3.308 | - | 96.565 |
Comparative Example 8 (sample 11) | - | 0.010 | - | 0.028 | 3.397 | - | 96.565 |
ND: hydrophobic nanodiamond before surface modification ND-ODA: hydrophobic surface-modified nanodiamond obtained in Example 1, ie nanodiamond-octadecylamide OLA: oleylamine SI: poly Isobutenyl succinimide OA: oleic acid ODA: octadecylamine |
구분(sample No.) | 측정 시작 시간(min) | 측정 완료 시간(min) | 시간당 분산된 입자가 침강되는 % (%/min) |
실시예 2(sample 5) | 0.5243 | 10.02 | 0.0961 |
실시예 3(sample 6) | 0.5262 | 10.02 | 0.0741 |
비교예 1(sample 1) | 0.4995 | 10.00 | 0.2784 |
비교예 2(sample 3) | 0.5082 | 10.01 | *초기 침전 형성 |
비교예 3(sample 4) | 0.5095 | 10.01 | 0.2122 |
비교예 4(sample 7) | 0.5108 | 10.03 | 0.2244 |
비교예 5(sample 8) | 0.5418 | 10.03 | *초기 침전 형성 |
비교예 6(sample 9) | 0.5568 | 10.04 | *초기 침전 형성 |
비교예 7(sample 10) | 0.5583 | 10.04 | *초기 침전 형성 |
비교예 8(sample 11) | 0.5738 | 10.05 | 0.2146 |
Classification (sample No.) | Measurement start time (min) | Measurement completion time (min) | % (% / Min) of dispersed particles per hour |
Example 2 (sample 5) | 0.5243 | 10.02 | 0.0961 |
Example 3 (sample 6) | 0.5262 | 10.02 | 0.0741 |
Comparative Example 1 | 0.4995 | 10.00 | 0.2784 |
Comparative Example 2 | 0.5082 | 10.01 | Initial precipitation formation |
Comparative Example 3 | 0.5095 | 10.01 | 0.2122 |
Comparative Example 4 (sample 7) | 0.5108 | 10.03 | 0.2244 |
Comparative Example 5 (sample 8) | 0.5418 | 10.03 | Initial precipitation formation |
Comparative Example 6 (sample 9) | 0.5568 | 10.04 | Initial precipitation formation |
Comparative Example 7 (sample 10) | 0.5583 | 10.04 | Initial precipitation formation |
Comparative Example 8 (sample 11) | 0.5738 | 10.05 | 0.2146 |
Claims (4)
- 나노 다이아몬드를 포함하는 엔진오일 첨가제 조성물로서,An engine oil additive composition comprising nano diamond,기유 60~99중량%;Base oil 60 to 99% by weight;소수성으로 표면개질된 나노 다이아몬드 0.001~0.5중량%;0.001 to 0.5% by weight of hydrophobically modified nanodiamonds;분산제로서, 올레일아민 0.05~10중량%, 폴리알케닐 숙신이미드 0.01~5중량%, 및 올레산 0.5~35중량%;As a dispersing agent, 0.05-10 weight% of oleylamine, 0.01-5 weight% of polyalkenyl succinimide, and 0.5-35 weight% of oleic acid;을 포함하는 것을 특징으로 하는 엔진오일 첨가제 조성물.Engine oil additive composition comprising a.
- 제 1 항에 있어서,The method of claim 1,상기 소수성으로 표면개질된 나노 다이아몬드는,The hydrophobic surface-modified nanodiamond,나노 다이아몬드를 염산, 질산, 황산, 및 과산화수소로 이루어진 군에서 선택된 1종 이상의 산으로 처리하는 단계(제1단계);Treating the nanodiamond with at least one acid selected from the group consisting of hydrochloric acid, nitric acid, sulfuric acid, and hydrogen peroxide (first step);상기 제1단계에서 산처리된 나노 다이아몬드를 염화티오닐, 삼염화인, 및 오염화인으로 이루어진 군에서 선택된 1종 이상의 산염화물과 반응시키는 단계(제2단계); 및Reacting the nanodiamonds acid-treated in the first step with at least one acid chloride selected from the group consisting of thionyl chloride, phosphorus trichloride, and phosphorus pentachloride (second step); And상기 제2단계에서 얻어진 나노 다이아몬드를 탄소수 16~18의 알킬아민과 반응시키는 단계(제3단계);를 통해 제조된 것을 특징으로 하는 엔진오일 첨가제 조성물.Reacting the nano-diamond obtained in the second step with an alkylamine having 16 to 18 carbon atoms (third step); engine oil additive composition characterized in that it was produced through.
- 제 1 항에 있어서, The method of claim 1,상기 폴리알케닐 숙신이미드는, 폴리이소부테닐 숙신이미드인 것을 특징으로 하는 엔진오일 첨가제 조성물.Said polyalkenyl succinimide is polyisobutenyl succinimide, The engine oil additive composition characterized by the above-mentioned.
- 엔진오일 첨가제 조성물의 제조방법으로서, As a method for producing an engine oil additive composition,나노 다이아몬드를 염산, 질산, 황산, 및 과산화수소로 이루어진 군에서 선택된 1종 이상의 산으로 처리하는 단계(제1단계);Treating the nanodiamond with at least one acid selected from the group consisting of hydrochloric acid, nitric acid, sulfuric acid, and hydrogen peroxide (first step);상기 제1단계에서 산처리된 나노 다이아몬드를 염화티오닐, 삼염화인, 및 오염화인으로 이루어진 군에서 선택된 1종 이상의 산염화물과 반응시키는 단계(제2단계); 및Reacting the nanodiamonds acid-treated in the first step with at least one acid chloride selected from the group consisting of thionyl chloride, phosphorus trichloride, and phosphorus pentachloride (second step); And상기 제2단계에서 얻어진 나노 다이아몬드를 탄소수 16~18의 알킬아민과 반응시키는 단계(제3단계);를 통해 소수성으로 표면개질된 나노 다이아몬드를 제조한 후,Reacting the nanodiamonds obtained in the second step with an alkylamine having 16 to 18 carbon atoms (third step); to prepare the nanodiamonds surface-modified hydrophobicly through상기 소수성으로 표면개질된 나노 다이아몬드를 올레일아민과 혼합하고 초음파로 분산시켜 분산물을 얻는 단계(제4단계); 및Mixing the hydrophobic surface-modified nanodiamond with oleylamine and dispersing by ultrasonic wave to obtain a dispersion (fourth step); And상기 제4단계에서 얻어진 분산물에 폴리알케닐 숙신이미드, 올레산, 및 기유를 넣고 초음파로 분산시키는 단계(제5단계);Adding polyalkenyl succinimide, oleic acid, and base oil to the dispersion obtained in the fourth step and dispersing by ultrasonic wave (step 5);를 포함하는 것을 특징으로 하는 엔진오일 첨가제 조성물의 제조방법.Method for producing an engine oil additive composition comprising a.
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CN106479598A (en) * | 2016-03-09 | 2017-03-08 | 天津迪麦爱科科技有限公司 | A kind of engine lubricating oil additive containing Nano diamond |
JP7162222B2 (en) * | 2017-11-09 | 2022-10-28 | 株式会社ダイセル | Initial break-in agent composition and initial break-in system containing the composition |
KR102529534B1 (en) | 2017-12-26 | 2023-05-08 | 현대자동차주식회사 | Antifreezing liquid for vehicle |
JP6749433B2 (en) * | 2018-09-11 | 2020-09-02 | 株式会社ダイセル | Lubricant composition for initial familiarization |
WO2020095581A1 (en) * | 2018-11-05 | 2020-05-14 | 株式会社ダイセル | Nanodiamond-dispersed composition |
US11459522B2 (en) * | 2020-03-03 | 2022-10-04 | Centurion Technologies, LLC | Oilfield drilling lubricant for water-based and oil-based systems |
KR102565958B1 (en) * | 2022-07-19 | 2023-08-11 | 주식회사 코나솔 | lubricating oil composition |
KR102582462B1 (en) * | 2022-11-30 | 2023-09-26 | 주식회사 코나솔 | Lubricating oil composition for electric vehicle |
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