WO2012147732A1 - 潤滑油添加剤組成物および潤滑油添加剤組成物の保存安定性を向上させる方法 - Google Patents
潤滑油添加剤組成物および潤滑油添加剤組成物の保存安定性を向上させる方法 Download PDFInfo
- Publication number
- WO2012147732A1 WO2012147732A1 PCT/JP2012/060954 JP2012060954W WO2012147732A1 WO 2012147732 A1 WO2012147732 A1 WO 2012147732A1 JP 2012060954 W JP2012060954 W JP 2012060954W WO 2012147732 A1 WO2012147732 A1 WO 2012147732A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- group
- lubricating oil
- oil
- carbon atoms
- test
- 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.)
- Ceased
Links
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M135/00—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing sulfur, selenium or tellurium
- C10M135/02—Sulfurised compounds
- C10M135/06—Esters, e.g. fats
-
- 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
- C10M135/00—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing sulfur, selenium or tellurium
- C10M135/20—Thiols; Sulfides; Polysulfides
- C10M135/22—Thiols; Sulfides; Polysulfides containing sulfur atoms bound to acyclic or cycloaliphatic carbon atoms
- C10M135/26—Thiols; Sulfides; Polysulfides containing sulfur atoms bound to acyclic or cycloaliphatic carbon atoms containing carboxyl groups; Derivatives thereof
-
- 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
- C10M2219/00—Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions
- C10M2219/08—Thiols; Sulfides; Polysulfides; Mercaptals
- C10M2219/082—Thiols; Sulfides; Polysulfides; Mercaptals containing sulfur atoms bound to acyclic or cycloaliphatic carbon atoms
- C10M2219/085—Thiols; Sulfides; Polysulfides; Mercaptals containing sulfur atoms bound to acyclic or cycloaliphatic carbon atoms containing carboxyl groups; Derivatives thereof
-
- 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
- C10N2030/10—Inhibition of oxidation, e.g. anti-oxidants
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
- C10N2030/70—Soluble oils
-
- 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
- C10N2040/02—Bearings
-
- 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
- C10N2040/04—Oil-bath; Gear-boxes; Automatic transmissions; Traction drives
-
- 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
- C10N2040/04—Oil-bath; Gear-boxes; Automatic transmissions; Traction drives
- C10N2040/046—Oil-bath; Gear-boxes; Automatic transmissions; Traction drives for traction drives
-
- 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
- C10N2040/08—Hydraulic fluids, e.g. brake-fluids
-
- 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
- C10N2040/12—Gas-turbines
-
- 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
- C10N2040/135—Steam engines or turbines
-
- 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
- C10N2040/20—Metal working
-
- 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
- C10N2050/10—Form in which the lubricant is applied to the material being lubricated semi-solid; greasy
Definitions
- the present invention relates to a sulfur-based lubricating oil additive composition having antioxidation performance and antiwear performance and good long-term storage stability.
- Lubricating oil is used in various fields such as engine oil, drive system oil, processing oil, grease, etc., but its basic effect is to adjust friction and prevent wear. Moreover, in order to use lubricating oil for a long period of time, it is also necessary to improve the antioxidant performance of the lubricating oil. In addition to these basic effects, various other effects (for example, hydrolytic stability and corrosion resistance) are given, and lubricating oils are used in various applications.
- Lubricating oil additives are also known. For example, zinc dithiophosphate is known as an additive having antioxidation performance and antiwear performance, but such an additive having multiple effects can be used when the amount of other additives can be reduced or when other additives are added. Can prevent problems that occur when there is no need to add an additive, or because the cost of the lubricating oil is reduced or many additives are mixed (for example, problems that cancel each other's additive effects). There are advantages such as.
- thiodicarboxylic acid esters such as thiodipropionic acid esters are known as sulfur-based antioxidants (see, for example, Patent Documents 1 and 2). It is known that this additive also has wear prevention performance in addition to oxidation prevention performance (see, for example, Patent Document 3). Although these are thiodicarboxylic acid esters having two performances of antioxidation performance and antiwear performance, they have the disadvantage that the storage stability is poor and the acid value of the product increases due to long-term storage. In general, an increase in acid value is not preferable because the performance of the additive may be impaired or the performance of the lubricating oil composition may be inhibited when blended with the lubricating oil.
- thiodicarboxylic acid esters are additives having a plurality of performances, and are very attractive additives in terms of performance. Therefore, the problem to be solved by the present invention is to provide thiodicarboxylic acid esters having high long-term storage stability without impairing the antioxidant performance and wear resistance performance of thiodicarboxylic acid esters.
- the inventors of the present invention diligently studied and found a composition that imparts a friction reducing function, which is a new function, to a thiodicarboxylic acid ester-based lubricating oil additive, and that is excellent in storage stability, and reached the present invention.
- the present invention contains a compound (A) represented by the following general formula (1) and a compound (B) represented by the following general formula (2), and has an acid value of 0.01 to 0: It is a lubricating oil additive composition characterized by being 4 mg KOH / g.
- R 1 and R 4 each independently represents a hydrocarbon group having 6 to 18 carbon atoms, and R 2 and R 3 each independently represents an alkylene group having 1 to 4 carbon atoms.
- R 5 represents a hydrocarbon group having 6 to 18 carbon atoms
- R 6 and R 7 each independently represents an alkylene group having 1 to 4 carbon atoms.
- the effect of the present invention is to provide thiodicarboxylic acid esters having high long-term storage stability without inhibiting the antioxidant performance and wear resistance performance of thiodicarboxylic acid esters.
- the lubricating oil additive composition of the present invention contains a compound (A) represented by the following general formula (1) and a compound (B) represented by the following general formula (2).
- R 1 and R 4 each independently represents a hydrocarbon group having 6 to 18 carbon atoms, and R 2 and R 3 each independently represents an alkylene group having 1 to 4 carbon atoms.
- R 5 represents a hydrocarbon group having 6 to 18 carbon atoms
- R 6 and R 7 each independently represents an alkylene group having 1 to 4 carbon atoms.
- R 1 and R 4 in the compound (A) each independently represent a hydrocarbon group having 6 to 18 carbon atoms.
- hydrocarbon groups include hexyl, isohexyl, secondary hexyl, heptyl, isoheptyl, secondary heptyl, octyl, isooctyl, secondary octyl, nonyl, isononyl, and 2 Primary nonyl, decyl, isodecyl, secondary decyl, undecyl, isoundecyl, secondary undecyl, dodecyl, isododecyl, secondary dodecyl, tridecyl, isotridecyl, secondary tridecyl, tetradecyl , Isotetradecyl group, secondary tetradecyl group, hexadecyl group, isohexadecyl group, secondary hexadecyl
- an alkyl group is preferable, an alkyl group having 8 to 16 carbon atoms is more preferable, and a branched alkyl group having 8 to 16 carbon atoms is more preferable because of its good friction reducing action and good solubility in lubricating oil.
- R 1 and R 4 may be the same or different, but are preferably the same because of easy production.
- R 2 and R 3 in the compound (A) each independently represents an alkylene group having 1 to 4 carbon atoms.
- Examples of such an alkylene group include a methylene group, an ethylene group, a propylene group, an isopropylene group, a butylene group, and a tertiary ribylene group.
- R 2 and R 3 are each preferably an ethylene group because raw materials are easily available.
- R 5 in the compound (B) represents a hydrocarbon group having 6 to 18 carbon atoms.
- a hydrocarbon group the hydrocarbon group illustrated by R ⁇ 1 > and R ⁇ 4 > of the said compound (A) is mentioned.
- an alkyl group is preferable, an alkyl group having 8 to 16 carbon atoms is more preferable, and a branched alkyl group having 8 to 16 carbon atoms is more preferable because of its good friction reducing action and good solubility in lubricating oil.
- R 1 and R 4 may be the same or different, but are preferably the same because of easy production.
- R 6 and R 7 in the compound (B) each independently represents an alkylene group having 1 to 4 carbon atoms.
- alkylene group examples include a methylene group, an ethylene group, a propylene group, an isopropylene group, a butylene group, and a tertiary ribylene group.
- R 7 and R 8 are each preferably an ethylene group because raw materials are easily available.
- the lubricating oil additive composition of the present invention should further have an acid value of 0.01 to 0.4 mgKOH / g, preferably 0.01 to 0.3 mgKOH / g, and 0.02 to 0.15 mgKOH / g. g is more preferable, and 0.02 to 0.1 mgKOH / g is still more preferable.
- the acid value is less than 0.01 mgKOH / g, good wear prevention performance cannot be obtained, and when it exceeds 0.4 mgKOH / g, the long-term storage stability of the lubricating oil additive composition is deteriorated. The lower the acid value, the better the long-term storage stability, but the anti-wear performance deteriorates.
- the acid value is in the range of 0.01 to 0.4 mgKOH / g. .
- the specific acid value is determined by the blending amount of the compound (B), but the structure difference of the compound (B) (molecular weight The acid value varies depending on the difference) even if the amount is the same.
- the compound (A) and the compound (B) are synthesized separately, and both are adjusted so that the acid value of the composition becomes 0.01 to 0.4 mgKOH / g.
- the compound may be blended, but since the production is simple, the compound (B) is simultaneously formed when the compound (A) is synthesized, and the lubricating oil additive composition of the present invention can be obtained by a single reaction. preferable.
- a thiodicarboxylic acid such as thiodipropionic acid is esterified with an alcohol having 6 to 18 carbon atoms.
- the reaction is stopped halfway or the reaction ratio of the raw materials is adjusted to provide an esterification reaction.
- the compound (B) which is a monoester can be produced
- the lubricating oil additive composition of the present invention can be obtained by controlling the production amount of this monoester.
- the acid value of the obtained composition does not fall within the range of 0.01 to 0.4 mgKOH / g, the compound (A) or the compound (B) is separately added to the obtained composition to obtain an acid value.
- the acid value may be lowered by using a method of adjusting the acid, or an adsorbent that adsorbs acid if the acid value is high.
- the lubricating oil of the present invention is a lubricating oil containing 0.1 to 5% by mass of the lubricating oil additive composition of the present invention. If it is less than 0.1% by mass, the effect of the additive cannot be obtained sufficiently, and if it exceeds 5% by mass, the effect corresponding to the blending cannot be obtained.
- the base oil of the lubricating oil any of mineral oil, animal and vegetable oil, or synthetic oil can be used. However, since the effect of the lubricating oil composition of the present invention is easily exhibited, the mineral oil or synthetic oil should be used. Is preferred.
- Mineral oil is separated from natural crude oil and is produced by distillation, purification, and the like.
- the main component of mineral oil is hydrocarbon (many are paraffins), but also contains naphthene, aromatics and the like.
- mineral oils called paraffinic mineral oil or naphthenic mineral oil are hydrorefined, solvent deblocked, solvent extracted, solvent dewaxed, hydrodewaxed, catalytic dewaxed, hydrocracked, alkaline distillation, sulfuric acid washed It is a mineral oil obtained by refining such as clay treatment, and any mineral oil can be used in the present invention.
- Synthetic oil is a chemically synthesized lubricating oil such as poly- ⁇ -olefin, polyisobutylene (polybutene), diester, polyol ester, phosphate ester, silicate ester, polyalkylene glycol, polyphenyl. Examples include ether and alkylbenzene. Among these synthetic oils, poly- ⁇ -olefin, polyisobutylene (polybutene), diester, polyol ester, and polyalkylene glycol can be preferably used.
- the lubricating oil additive composition of the present invention may contain other components as long as the effects of the present invention are not impaired.
- Other lubricating oil additives include, for example, oiliness agents, friction modifiers, extreme pressure agents, antioxidants, detergents, dispersants, viscosity index improvers, antifoaming agents, rust inhibitors, pour point depressants, Emulsifiers, surfactants, preservatives, metal deactivators and the like.
- the lubricating oil additive composition of the present invention can be used in any field as long as it is a lubricating oil.
- lubricant oils that can be used include gear oil, turbine oil, sliding surface oil, engine oil, hydraulic oil, metalworking oil, compression oil, hydraulic oil, grease base oil, heat medium oil, Examples include machine tool oil, gear oil, bearing oil, and the like, but it is particularly preferable to use it for gear oil, turbine oil, engine oil, hydraulic oil, and metalworking oil.
- Test sample 1-A To a 1000 ml four-necked flask equipped with a thermometer, a nitrogen inlet tube, a suction pipe for decompression, and a stirrer, 178 g (1 mol) of thiodipropionic acid and branched tridecyl alcohol (trade name: tridecanol, distributor: Kyowa) Fermentation Chemical Co., Ltd.) 430 g (2.15 mol) was added, and sulfuric acid was further added to the 0.6 g system as a catalyst.
- Test Sample 1-A After purging with nitrogen, the pressure in the system was reduced to 1.4 ⁇ 10 4 Pa while stirring, the temperature in the system was raised to 150 ° C., and a reduced pressure reaction was performed for 5 hours. Thereafter, the pressure in the system was further reduced to 3.0 ⁇ 10 3 Pa, and the reaction was carried out at 150 ° C. for 3 hours to complete the esterification reaction. Thereafter, 300 g of a 2% by mass aqueous sodium carbonate solution was added to the system, and the mixture was stirred at 30 ° C. for 30 minutes and then allowed to stand to separate oil and water to remove the catalyst. This alkaline water washing step was repeated three times to remove all the acid components remaining in the system, and then washed with 300 g of pure water in the same manner. After washing with water, the system was heated to 100 ° C. and dehydrated at 3.0 ⁇ 10 3 Pa for 1 hour to obtain Test Sample 1-A. The acid value of Test Sample 1-A was 0.
- Test Sample 1-B The acid value of Test Sample 1-B was 156 mgKOH / g.
- test sample 2-A, test sample 2-B, test sample 3-A and test sample are prepared. 3-B was synthesized. The structure of each test sample is described below.
- the branched octadecyl alcohol used was Fineoxocol 180 (trade name) (distributor: Nissan Chemical Industries, Ltd.).
- Test sample 1-A Thiodipropionic acid dibranched tridecyl ester (in general formula (1), R 1 and R 4 are both branched tridecyl groups, R 2 and R 3 are both ethylene groups), acid value 0
- Test sample 1-B thiodipropionic acid mono-branched tridecyl ester (in general formula (2), R 5 is a branched tridecyl group, R 6 and R 7 are all ethylene groups), acid value 156 mgKOH / g
- Test sample 2-A Dibranched octadecyl ester of thiodipropionic acid (in general formula (1), R 1 and R 4 are both branched octadecyl groups, R 2 and R 3 are both ethylene groups), acid value 0
- Test sample 2-B thiodipropionic acid mono-branched octadecyl ester (in general formula (2), R 5 is a branched octadecyl
- Test sample 4 To a 1000 ml four-necked flask equipped with a thermometer, a nitrogen inlet tube, a suction pipe for decompression, and a stirrer, 178 g (1 mol) of thiodipropionic acid and branched tridecyl alcohol (trade name: tridecanol, distributor: Kyowa) Fermentation Chemical Co., Ltd.) 400 g (2 mol) was added, and sulfuric acid was further added to the 0.6 g system as a catalyst. After purging with nitrogen, the pressure in the system was reduced to 1.4 ⁇ 10 4 Pa while stirring, the temperature in the system was raised to 150 ° C., and a reduced pressure reaction was performed for 5 hours.
- thiodipropionic acid and branched tridecyl alcohol trade name: tridecanol, distributor: Kyowa Fermentation Chemical Co., Ltd.
- Test Sample 4 was obtained by time dehydration treatment.
- the acid value of Test Sample 4 was 0.1 mgKOH / g.
- test oil A sample with adjusted acid value was prepared using the above test sample, and then dissolved in a base oil to prepare a test oil.
- Test oil 1 Test sample 1-A (acid number 0) was dissolved in the base oil so as to be 0.5% by mass.
- Test oil 2 Test sample 1-A and test sample 1-B were blended, and an acid value adjusted to 0.005 mgKOH / g was dissolved in the base oil so as to be 0.5% by mass.
- Test oil 3 Test sample 1-A and test sample 1-B were blended, and an acid value adjusted to 0.01 mgKOH / g was dissolved in the base oil so as to be 0.5% by mass.
- Test oil 4 Test sample 1-A and test sample 1-B were blended, and an acid value adjusted to 0.05 mgKOH / g was dissolved in the base oil so as to be 0.5% by mass.
- Test oil 5 Test sample 1-A and test sample 1-B were blended, and an acid value adjusted to 0.1 mg KOH / g was dissolved in the base oil so as to be 0.5% by mass.
- Test oil 6 Test sample 1-A and test sample 1-B were blended, and an acid value adjusted to 0.2 mg KOH / g was dissolved in the base oil so as to be 0.5% by mass.
- Test oil 7 Test sample 1-A and test sample 1-B were blended, and an acid value adjusted to 0.3 mg KOH / g was dissolved in the base oil so as to be 0.5% by mass.
- Test oil 8 Test sample 1-A and test sample 1-B were blended, and an acid value adjusted to 0.4 mgKOH / g was dissolved in the base oil so as to be 0.5% by mass.
- Test oil 9 Test sample 1-A and test sample 1-B were blended, and an acid value adjusted to 0.5 mg KOH / g was dissolved in the base oil so as to be 0.5% by mass.
- Test oil 10 Test sample 1-A and test sample 1-B were blended, and an acid value adjusted to 1 mg KOH / g was dissolved in the base oil so as to be 0.5% by mass.
- Test oil 11 Test sample 2-A and test sample 2-B were blended, and an acid value adjusted to 0.1 mg KOH / g was dissolved in the base oil so as to be 0.5% by mass.
- Test oil 12 Test sample 3-A and test sample 3-B were blended, and an acid value adjusted to 0.1 mg KOH / g was dissolved in the base oil so as to be 0.5% by mass.
- Test oil 13 Test sample 4 (acid value 0.1 mgKOH / g) was dissolved in the base oil so as to be 0.5% by mass.
- Test oils 1, 2, 9, 10 and 14 are comparative products.
- a friction characteristic test was performed using a Baudenleben tester HHS2000 (manufactured by Shinto Kagaku Co., Ltd.).
- a SUJ2 test ball and a SUJ2 test plate were set at predetermined positions of a Bowden-Leben tester, and 50 ⁇ l of each test oil shown in Table 1 was poured between two test pieces. Thereafter, the test was started under conditions of a load of 1000 g and a sliding speed of 20 mm / s, and the wear scar diameter (the wear scar diameter) of the SUJ2 test ball at a sliding distance of 40 m was measured. The smaller the friction scar system, the greater the wear prevention effect. The results are shown in Table 1.
- Test sample used for test oil 1-13 (test oil 2-12 is a mixture of test samples, test oil 1 is test sample 1-A, test oil 13 is test sample 4) 100 g of glass tube with a lid of 150 ml And sealed in a thermostatic bath at 50 ° C. for one month, and the acid value of the test sample after one month was measured. The results are shown in Table 1. Test oils 1 to 13 in Table 1 mean the test samples used for the respective test oils.
- ⁇ Oxidation stability test> This was performed according to the method of JIS K-2514. Specifically, in a pressure-resistant cylinder having a capacity of 100 ml equipped with a pressure gauge, 50 g of test oil, 5 g of water, and a compactly rolled copper wire of 1.6 mm in diameter as a catalyst are placed in a compact cylinder. Oxygen is injected until the internal pressure reaches 620 kPa. The cylinder is rotated at 100 revolutions per minute while maintaining a 30 ° C. angle in a 150 ° C. constant temperature bath. Initially, the pressure in the cylinder increases as the temperature is applied, but when oxidative deterioration starts, oxygen is absorbed and the pressure in the cylinder decreases.
- FIG. 1 shows the wear test results
- FIG. 2 shows the storage stability test results (increased values).
- the test oils 1 and 2 having an acid value of 0 and an acid value of 0.005 mg KOH / g are worse in wear resistance than the base oil (test oil 14) to which no additive is added. It can be seen that the test oil having an A of 0.01 or more clearly has improved wear resistance.
- the storage stability test the higher the acid value, the worse the storage stability.
- the acid value of the test sample before the storage test exceeded 0.4 mgKOH / g, the storage stability suddenly deteriorated. Yes. Further, the acid value stability was not changed in all the test samples.
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
Description
<試験サンプルの合成>
(試験サンプル1-A)
温度計、窒素導入管、減圧用の吸入管及び攪拌機を付した容量1000mlの4つ口フラスコに、チオジプロピオン酸178g(1モル)及び分岐トリデシルアルコール(商品名:トリデカノール、販売元:協和発酵ケミカル株式会社)430g(2.15モル)を入れ、更に触媒として硫酸を0.6g系内に添加した。窒素置換後、攪拌しながら系内の圧力を1.4×104Paに減圧し、系内の温度を150℃まで昇温して5時間減圧反応を行った。その後更に系内の圧力を3.0×103Paまで減圧して150℃で3時間反応を行ってエステル化反応を完結させた。その後2質量%の炭酸ナトリウム水溶液300gを系内に添加し、30℃で30分間攪拌後、静置して油水分離して触媒を除去した。このアルカリ水洗工程を3回繰り返し、系内に残存する酸成分を全て除去した後、純水300gで同様に水洗した。水洗後、系を100℃に昇温し、3.0×103Paで1時間脱水処理して試験サンプル1-Aを得た。試験サンプル1-Aの酸価は0であった。
温度計、窒素導入管、減圧用の吸入管及び攪拌機を付した容量1000mlの4つ口フラスコに、チオジプロピオン酸178g(1モル)及び分岐トリデシルアルコール(商品名:トリデカノール、販売元:協和発酵ケミカル株式会社)200g(1モル)を入れ、更に触媒として硫酸を0.5g系内に添加した。窒素置換後、攪拌しながら系内の圧力を1.4×104Paに減圧し、系内の温度を150℃まで昇温して5時間減圧反応を行った。その後更に系内の圧力を3.0×103Paまで減圧して150℃で3時間反応を行ってエステル化反応を完結させた。その後2質量%の炭酸ナトリウム水溶液300gを系内に添加し、30℃で30分間攪拌後、静置して油水分離して触媒を除去し、更に純水を300g加え同様に水洗を行った。水洗後、100℃、3.0×103Paで1時間脱水処理して試験サンプル1-Bを得た。試験サンプル1-Bの酸価は156mgKOH/gであった。
上記の試験サンプル1-A及び試験サンプル1-Bと同様の製造方法で、アルコールの種類を変えて合成を行い、試験サンプル2-A、試験サンプル2-B、試験サンプル3-A及び試験サンプル3-Bを合成した。各試験サンプルの構造は下記に記してある。なお、使用した分岐オクタデシルアルコールはファインオキソコール180(商品名)(販売元:日産化学工業株式会社)であった。
試験サンプル1-B:チオジプロピオン酸モノ分岐トリデシルエステル(一般式(2)においてR5は分岐トリデシル基、R6及びR7はいずれもエチレン基)、酸価156mgKOH/g
試験サンプル2-A:チオジプロピオン酸ジ分岐オクタデシルエステル(一般式(1)においてR1及びR4はいずれも分岐オクタデシル基、R2及びR3はいずれもエチレン基)、酸価0
試験サンプル2-B:チオジプロピオン酸モノ分岐オクタデシルエステル(一般式(2)においてR5は分岐オクタデシル基、R6及びR7はいずれもエチレン基)、酸価124mgKOH/g
試験サンプル3-A:チオジプロピオン酸ジベンジルエステル(一般式(1)においてR1及びR4はいずれもベンジル基、R2及びR3はいずれもエチレン基)、酸価0
試験サンプル3-B:チオジプロピオン酸モノベンジルエステル(一般式(2)においてR5はベンジル基、R6及びR7はいずれもエチレン基)、酸価193mgKOH/g
温度計、窒素導入管、減圧用の吸入管及び攪拌機を付した容量1000mlの4つ口フラスコに、チオジプロピオン酸178g(1モル)及び分岐トリデシルアルコール(商品名:トリデカノール、販売元:協和発酵ケミカル株式会社)400g(2モル)を入れ、更に触媒として硫酸を0.6g系内に添加した。窒素置換後、攪拌しながら系内の圧力を1.4×104Paに減圧し、系内の温度を150℃まで昇温して5時間減圧反応を行った。その後2質量%の炭酸ナトリウム水溶液300gを系内に添加し、30℃で30分間攪拌後、静置して油水分離して触媒を除去し、更に100℃、3.0×103Paで1時間脱水処理して試験サンプル4を得た。試験サンプル4の酸価は0.1mgKOH/gであった。
上記の試験サンプルを使って、酸価を調整したサンプルを作成した後、基油に溶解させて試験油を作成した。なお、使用した基油の性状は、動粘度4.24mm2/秒(100℃)、19.65mm2/秒(40℃)、粘度指数=126の鉱物油系潤滑基油である。
試験油1:試験サンプル1-A(酸価0)を0.5質量%になるように基油に溶解させた。
試験油2:試験サンプル1-Aと試験サンプル1-Bを配合して、酸価0.005mgKOH/gに調製したものを0.5質量%になるように基油に溶解させた。
試験油3:試験サンプル1-Aと試験サンプル1-Bを配合して、酸価0.01mgKOH/gに調製したものを0.5質量%になるように基油に溶解させた。
試験油4:試験サンプル1-Aと試験サンプル1-Bを配合して、酸価0.05mgKOH/gに調製したものを0.5質量%になるように基油に溶解させた。
試験油5:試験サンプル1-Aと試験サンプル1-Bを配合して、酸価0.1mgKOH/gに調製したものを0.5質量%になるように基油に溶解させた。
試験油6:試験サンプル1-Aと試験サンプル1-Bを配合して、酸価0.2mgKOH/gに調製したものを0.5質量%になるように基油に溶解させた。
試験油7:試験サンプル1-Aと試験サンプル1-Bを配合して、酸価0.3mgKOH/gに調製したものを0.5質量%になるように基油に溶解させた。
試験油8:試験サンプル1-Aと試験サンプル1-Bを配合して、酸価0.4mgKOH/gに調製したものを0.5質量%になるように基油に溶解させた。
試験油9:試験サンプル1-Aと試験サンプル1-Bを配合して、酸価0.5mgKOH/gに調製したものを0.5質量%になるように基油に溶解させた。
試験油10:試験サンプル1-Aと試験サンプル1-Bを配合して、酸価1mgKOH/gに調製したものを0.5質量%になるように基油に溶解させた。
試験油11:試験サンプル2-Aと試験サンプル2-Bを配合して、酸価0.1mgKOH/gに調製したものを0.5質量%になるように基油に溶解させた。
試験油12:試験サンプル3-Aと試験サンプル3-Bを配合して、酸価0.1mgKOH/gに調製したものを0.5質量%になるように基油に溶解させた。
試験油13:試験サンプル4(酸価0.1mgKOH/g)を0.5質量%になるように基油に溶解させた。
なお、試験油1、2、9、10および14が比較品である。
バウデンレーベン試験機HHS2000(新東科学株式会社製)を用いて摩擦特性試験を行なった。SUJ2製試験球とSUJ2製試験板をバウデンレーベン試験機の所定の位置にセットし、表1に記載した各試験油を2つの試験片の間に50μl流し込んだ。その後荷重1000g、摺動速度20mm/sの条件で試験を開始し、摺動距離40m時のSUJ2製試験球の摩耗痕径(磨耗痕の直径)を測定した。摩擦痕系が小さいもの程、摩耗防止効果が大きいことを示す。結果を表1に示す。
試験油1~13に使用した試験サンプル(試験油2~12は試験サンプルの混合品、試験油1は試験サンプル1-A、試験油13は試験サンプル4)100gを150mlの蓋付きのガラス管に入れて密封し、50℃の恒温槽に1ヶ月間放置し、1ヵ月後の試験サンプルの酸価を測定した。結果を表1に示す。なお表1における試験油1~13は、それぞれの試験油に使用した試験サンプルの意味である。
JIS K-2514の方法に準拠して行った。具体的には、圧力計を備えた容量100mlの耐圧ボンベの中に、試験油50g、水5g、及び触媒として直径1.6mmの銅線3mをコンパクトに丸めたものを入れ、密封した後ボンベ内の圧力が620kPaになるまで酸素を圧入する。このボンベを150℃の恒温槽内で、30℃の角度を保持したまま毎分100回転で回転させる。最初、ボンベ内の圧力は温度がかかることで増加していくが、酸化劣化が始まると酸素を吸収してボンベ内の圧力は低下する。圧力を経時で測定し、圧力が最高になったときから175kPaに低下するまでの時間を求め、これを酸化劣化の誘導期間とした。誘導期間が長いほど酸化防止性能が良好な試験油である。結果を表1に示す。
磨耗試験の結果より、酸価0及び酸価0.005mgKOH/gの試験油1及び2は、添加剤未添加の基油(試験油14)より耐摩耗性が悪化しているが、酸価が0.01以上の試験油は、明らかに耐摩耗性能が向上していることがわかる。一方、保存安定性試験においては、酸価が高くなるほど保存安定性が悪くなるが、保存試験前の試験サンプルの酸価が0.4mgKOH/gを超えたところで保存安定性が急激に悪化している。また、酸価安定性については、全ての試験サンプルで変化はなかった。
Claims (5)
- R2、R3、R6及びR7がいずれもエチレン基であり、R1、R4及びR5が同一の基であることを特徴とする請求項1に記載の潤滑油添加剤組成物。
- 酸価が0.01~0.3mgKOH/gであることを特徴とする請求項1又は2に記載の潤滑油添加剤組成物。
- 請求項1~3のいずれかに記載の潤滑油添加剤組成物を0.1~5質量%含有することを特徴とする潤滑油。
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ES12777183.0T ES2684719T3 (es) | 2011-04-25 | 2012-04-24 | Uso para mejorar la estabilidad al almacenamiento de una composición de aditivo de aceite lubricante |
| KR1020137026745A KR101820559B1 (ko) | 2011-04-25 | 2012-04-24 | 윤활유 첨가제 조성물 및 윤활유 첨가제 조성물의 보존안정성을 향상시키는 방법 |
| US14/113,659 US9255237B2 (en) | 2011-04-25 | 2012-04-24 | Lubricating oil additive composition and method for improving storage stability of lubricating oil additive composition |
| BR112013025997-3A BR112013025997B1 (pt) | 2011-04-25 | 2012-04-24 | Composição de aditivo de óleo lubrificante, óleo lubrificante, e, método para melhorar a estabilidade de armazenamento de uma composição de aditivo de óleo lubrificante |
| CN201280020511.9A CN103502406B (zh) | 2011-04-25 | 2012-04-24 | 润滑油添加剂组合物和提高润滑油添加剂组合物的保存稳定性的方法 |
| EP12777183.0A EP2703475B1 (en) | 2011-04-25 | 2012-04-24 | Use for improving storage stability of a lubricating oil additive composition |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011-096762 | 2011-04-25 | ||
| JP2011096762A JP5685481B2 (ja) | 2011-04-25 | 2011-04-25 | 潤滑油添加剤組成物および潤滑油添加剤組成物の保存安定性を向上させる方法 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2012147732A1 true WO2012147732A1 (ja) | 2012-11-01 |
Family
ID=47072250
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2012/060954 Ceased WO2012147732A1 (ja) | 2011-04-25 | 2012-04-24 | 潤滑油添加剤組成物および潤滑油添加剤組成物の保存安定性を向上させる方法 |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US9255237B2 (ja) |
| EP (1) | EP2703475B1 (ja) |
| JP (1) | JP5685481B2 (ja) |
| KR (1) | KR101820559B1 (ja) |
| CN (1) | CN103502406B (ja) |
| BR (1) | BR112013025997B1 (ja) |
| ES (1) | ES2684719T3 (ja) |
| WO (1) | WO2012147732A1 (ja) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014050639A1 (ja) * | 2012-09-27 | 2014-04-03 | 松本油脂製薬株式会社 | 炭素繊維製造用アクリル繊維処理剤及びその用途 |
| WO2015146909A1 (ja) * | 2014-03-28 | 2015-10-01 | 出光興産株式会社 | 水溶性金属加工油および金属加工用クーラント |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020131603A1 (en) * | 2018-12-18 | 2020-06-25 | Bp Corporation North America Inc. | Lubricating composition comprising a sulfur-containing carboxylic acid or ester additive |
| CN109970608B (zh) * | 2019-03-01 | 2021-06-01 | 陕西科技大学 | 具有抗氧化活性的羟基酪醇硫代二丙酸酯及其合成方法 |
| KR102143496B1 (ko) * | 2020-02-04 | 2020-08-11 | (주)제이엠에스앤컴퍼니 | 저점도 고인화성 에스테르 합성유 제조방법 |
| JP7523240B2 (ja) * | 2020-03-31 | 2024-07-26 | 株式会社エーピーアイ コーポレーション | 樹脂組成物 |
| JP6777352B1 (ja) * | 2020-06-09 | 2020-10-28 | 竹本油脂株式会社 | 炭素繊維前駆体用処理剤、炭素繊維前駆体用処理剤の水性液、炭素繊維前駆体、及び炭素繊維の製造方法 |
| EP4267707A1 (en) | 2020-12-23 | 2023-11-01 | The Lubrizol Corporation | Benzazepine compounds as antioxidants for lubricant compositions |
| JP7847125B2 (ja) * | 2021-03-30 | 2026-04-16 | 出光興産株式会社 | 潤滑油組成物 |
| JP7722846B2 (ja) * | 2021-06-15 | 2025-08-13 | 出光興産株式会社 | 熱処理油組成物 |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2649416A (en) * | 1949-03-03 | 1953-08-18 | Socony Vacuum Oil Co Inc | Lubricating oil containing a monoester of a thiodiacetic acid |
| JPS59116472A (ja) * | 1982-12-22 | 1984-07-05 | 竹本油脂株式会社 | アクリル系炭素繊維製造用油剤 |
| JP2001504142A (ja) * | 1996-07-12 | 2001-03-27 | エクソン リサーチ アンド エンジニアリング カンパニー | 航空タービン油のデポジット形成傾向を低減させると共に抗酸化性を改善する硫黄含有カルボン酸誘導体 |
| JP2002294267A (ja) * | 2001-03-30 | 2002-10-09 | Dainippon Ink & Chem Inc | 切削液及び研削液 |
| JP2010121098A (ja) * | 2008-10-21 | 2010-06-03 | New Japan Chem Co Ltd | 工業用又は自動車用潤滑油組成物 |
| WO2010087398A1 (ja) * | 2009-02-02 | 2010-08-05 | 出光興産株式会社 | 自動変速機用潤滑油組成物 |
| JP2010265397A (ja) * | 2009-05-15 | 2010-11-25 | Idemitsu Kosan Co Ltd | 生分解性潤滑油組成物 |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4800031A (en) * | 1986-11-07 | 1989-01-24 | The Lubrizol Corporation | Sulfur-containing lubricant and functional fluid compositions |
| US4820430A (en) * | 1987-07-29 | 1989-04-11 | Mobil Oil Corporation | Copper salts of thiodipropionic acid derivatives as antioxidant additives and lubricant compositions thereof |
| JPH0762368A (ja) | 1993-08-24 | 1995-03-07 | Toho Chem Ind Co Ltd | 潤滑油組成物 |
| US5714441A (en) * | 1996-07-12 | 1998-02-03 | Exxon Research And Engineering Company | Additive combination to reduce deposit forming tendencies and improve antioxidancy of aviation turbine oils |
| JP4466850B2 (ja) * | 2002-08-22 | 2010-05-26 | 新日本理化株式会社 | 軸受用潤滑油 |
| US7494960B2 (en) * | 2004-02-03 | 2009-02-24 | Crompton Corporation | Lubricant compositions comprising an antioxidant blend |
| US7390928B2 (en) | 2005-12-14 | 2008-06-24 | Chemtura Corporation | Alkylation of N′-phenyl-N-alkylphenylenediamines in ionic liquid, N′-phenyl-N-alkyl (alkylphenylene) diamines produced thereby, and lubricant compositions containing same |
| JP5175462B2 (ja) * | 2006-09-04 | 2013-04-03 | 出光興産株式会社 | 内燃機関用潤滑油組成物 |
| JP5255243B2 (ja) | 2006-09-11 | 2013-08-07 | 昭和シェル石油株式会社 | 潤滑油組成物 |
| WO2008050717A1 (fr) * | 2006-10-23 | 2008-05-02 | Idemitsu Kosan Co., Ltd. | Composition d'huile lubrifiante pour moteur à combustion interne |
| JP2008303384A (ja) * | 2007-05-08 | 2008-12-18 | Kyowa Hakko Chemical Co Ltd | 油類用添加剤およびこれを含有する潤滑油 |
| JP5468728B2 (ja) * | 2007-05-29 | 2014-04-09 | 出光興産株式会社 | 内燃機関用潤滑油組成物 |
| US20120208731A1 (en) * | 2009-09-16 | 2012-08-16 | The Lubrizol Corporation | Lubricating Composition Containing an Ester |
-
2011
- 2011-04-25 JP JP2011096762A patent/JP5685481B2/ja active Active
-
2012
- 2012-04-24 ES ES12777183.0T patent/ES2684719T3/es active Active
- 2012-04-24 WO PCT/JP2012/060954 patent/WO2012147732A1/ja not_active Ceased
- 2012-04-24 EP EP12777183.0A patent/EP2703475B1/en active Active
- 2012-04-24 CN CN201280020511.9A patent/CN103502406B/zh active Active
- 2012-04-24 KR KR1020137026745A patent/KR101820559B1/ko not_active Expired - Fee Related
- 2012-04-24 US US14/113,659 patent/US9255237B2/en active Active
- 2012-04-24 BR BR112013025997-3A patent/BR112013025997B1/pt not_active IP Right Cessation
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2649416A (en) * | 1949-03-03 | 1953-08-18 | Socony Vacuum Oil Co Inc | Lubricating oil containing a monoester of a thiodiacetic acid |
| JPS59116472A (ja) * | 1982-12-22 | 1984-07-05 | 竹本油脂株式会社 | アクリル系炭素繊維製造用油剤 |
| JP2001504142A (ja) * | 1996-07-12 | 2001-03-27 | エクソン リサーチ アンド エンジニアリング カンパニー | 航空タービン油のデポジット形成傾向を低減させると共に抗酸化性を改善する硫黄含有カルボン酸誘導体 |
| JP2002294267A (ja) * | 2001-03-30 | 2002-10-09 | Dainippon Ink & Chem Inc | 切削液及び研削液 |
| JP2010121098A (ja) * | 2008-10-21 | 2010-06-03 | New Japan Chem Co Ltd | 工業用又は自動車用潤滑油組成物 |
| WO2010087398A1 (ja) * | 2009-02-02 | 2010-08-05 | 出光興産株式会社 | 自動変速機用潤滑油組成物 |
| JP2010265397A (ja) * | 2009-05-15 | 2010-11-25 | Idemitsu Kosan Co Ltd | 生分解性潤滑油組成物 |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014050639A1 (ja) * | 2012-09-27 | 2014-04-03 | 松本油脂製薬株式会社 | 炭素繊維製造用アクリル繊維処理剤及びその用途 |
| JP5528649B1 (ja) * | 2012-09-27 | 2014-06-25 | 松本油脂製薬株式会社 | 炭素繊維製造用アクリル繊維処理剤及びその用途 |
| WO2015146909A1 (ja) * | 2014-03-28 | 2015-10-01 | 出光興産株式会社 | 水溶性金属加工油および金属加工用クーラント |
Also Published As
| Publication number | Publication date |
|---|---|
| ES2684719T3 (es) | 2018-10-04 |
| BR112013025997B1 (pt) | 2019-06-04 |
| KR20140037827A (ko) | 2014-03-27 |
| CN103502406A (zh) | 2014-01-08 |
| EP2703475A4 (en) | 2014-11-05 |
| JP2012229292A (ja) | 2012-11-22 |
| EP2703475A1 (en) | 2014-03-05 |
| BR112013025997A2 (pt) | 2016-12-20 |
| CN103502406B (zh) | 2016-01-20 |
| EP2703475B1 (en) | 2018-06-13 |
| US20140045738A1 (en) | 2014-02-13 |
| JP5685481B2 (ja) | 2015-03-18 |
| KR101820559B1 (ko) | 2018-01-19 |
| US9255237B2 (en) | 2016-02-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP5685481B2 (ja) | 潤滑油添加剤組成物および潤滑油添加剤組成物の保存安定性を向上させる方法 | |
| JP4466850B2 (ja) | 軸受用潤滑油 | |
| JP5815520B2 (ja) | グループi〜ivの炭化水素油のための潤滑添加剤として有用なポリアルキレングリコール | |
| US20180216023A1 (en) | Use of polyclycerin esters as friction modifiers in lubricant formulations | |
| JP2019065256A (ja) | イオン液体、及び潤滑剤組成物 | |
| CN109072114A (zh) | 冷冻机油 | |
| KR102589022B1 (ko) | 개질된 유용성 폴리알킬렌 글리콜 | |
| JP4702052B2 (ja) | 潤滑油及び潤滑方法 | |
| JP2024510311A (ja) | 基油組成物、配合物、及び使用 | |
| JP7401553B2 (ja) | ポリアルキレングリコール潤滑剤組成物 | |
| JP5140070B2 (ja) | ギヤ油組成物 | |
| JP2008297447A (ja) | 潤滑油およびグリース用基油 | |
| EP4499786B1 (en) | Aryl-pag monoesters as lubricating oil base stocks | |
| JP7317188B2 (ja) | 変性油溶性ポリアルキレングリコール |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 12777183 Country of ref document: EP Kind code of ref document: A1 |
|
| ENP | Entry into the national phase |
Ref document number: 20137026745 Country of ref document: KR Kind code of ref document: A |
|
| WWE | Wipo information: entry into national phase |
Ref document number: 14113659 Country of ref document: US |
|
| NENP | Non-entry into the national phase |
Ref country code: DE |
|
| REG | Reference to national code |
Ref country code: BR Ref legal event code: B01A Ref document number: 112013025997 Country of ref document: BR |
|
| ENP | Entry into the national phase |
Ref document number: 112013025997 Country of ref document: BR Kind code of ref document: A2 Effective date: 20131008 |








