WO1988006616A1 - Lubricating oil composition - Google Patents
Lubricating oil composition Download PDFInfo
- Publication number
- WO1988006616A1 WO1988006616A1 PCT/JP1988/000221 JP8800221W WO8806616A1 WO 1988006616 A1 WO1988006616 A1 WO 1988006616A1 JP 8800221 W JP8800221 W JP 8800221W WO 8806616 A1 WO8806616 A1 WO 8806616A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- lubricating oil
- weight
- oil
- acid
- oil composition
- Prior art date
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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
- 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
- C10M141/08—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 sulfur-, selenium- or tellurium-containing compound
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- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M105/00—Lubricating compositions characterised by the base-material being a non-macromolecular organic compound
- C10M105/08—Lubricating compositions characterised by the base-material being a non-macromolecular organic compound containing oxygen
- C10M105/32—Esters
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- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M101/00—Lubricating compositions characterised by the base-material being a mineral or fatty oil
- C10M101/02—Petroleum fractions
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- C10M105/00—Lubricating compositions characterised by the base-material being a non-macromolecular organic compound
- C10M105/02—Well-defined hydrocarbons
- C10M105/04—Well-defined hydrocarbons aliphatic
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- C10M129/00—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing oxygen
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- C10M129/00—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing oxygen
- C10M129/02—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing oxygen having a carbon chain of less than 30 atoms
- C10M129/68—Esters
- C10M129/72—Esters of polycarboxylic acids
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- C10M129/00—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing oxygen
- C10M129/02—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing oxygen having a carbon chain of less than 30 atoms
- C10M129/68—Esters
- C10M129/74—Esters of polyhydroxy compounds
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- C10M129/02—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing oxygen having a carbon chain of less than 30 atoms
- C10M129/68—Esters
- C10M129/76—Esters containing free hydroxy or carboxyl groups
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- C10M129/00—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing oxygen
- C10M129/86—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing oxygen having a carbon chain of 30 or more atoms
- C10M129/95—Esters
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- 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
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- C10M133/52—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing nitrogen having a carbon chain of 30 or more atoms
- C10M133/56—Amides; Imides
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- 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
- C10M135/24—Thiols; Sulfides; Polysulfides containing sulfur atoms bound to acyclic or cycloaliphatic carbon atoms containing hydroxy groups; Derivatives thereof
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- 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
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- C10M145/00—Lubricating compositions characterised by the additive being a macromolecular compound containing oxygen
- C10M145/02—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C10M145/10—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing monomers having an unsaturated radical bound to a carboxyl radical, e.g. acrylate
- C10M145/12—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing monomers having an unsaturated radical bound to a carboxyl radical, e.g. acrylate monocarboxylic
- C10M145/14—Acrylate; Methacrylate
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- 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
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- C10M169/00—Lubricating compositions characterised by containing as components a mixture of at least two types of ingredient selected from base-materials, thickeners or additives, covered by the preceding groups, each of these compounds being essential
- C10M169/04—Mixtures of base-materials and additives
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- C10M169/00—Lubricating compositions characterised by containing as components a mixture of at least two types of ingredient selected from base-materials, thickeners or additives, covered by the preceding groups, each of these compounds being essential
- C10M169/04—Mixtures of base-materials and additives
- C10M169/044—Mixtures of base-materials and additives the additives being a mixture of non-macromolecular and macromolecular compounds
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- C10M2203/00—Organic non-macromolecular hydrocarbon compounds and hydrocarbon fractions as ingredients in lubricant compositions
- C10M2203/02—Well-defined aliphatic compounds
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- C10M2203/022—Well-defined aliphatic compounds saturated
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Definitions
- the present invention relates to a lubricating oil composition and, more particularly, to a lubricating oil composition suitable for lubricating parts having a wet clutch such as an automatic transmission or a tractor or a wet brake.
- the present invention relates to any lubricating oil composition. Background technology ''
- Lubricants used for lubricating parts with wet clutches or wet brakes have good friction characteristics, oxidation stability, and resistance to oxidation. It is required to have performances such as corrosiveness and protection, and large transmission torque.
- the friction characteristic refers to a ratio between a static friction coefficient and a dynamic friction coefficient, and it is required that the ratio is small and that the change due to temperature and aging is small. It has been reviewed.
- the purpose of the present invention is to solve the above-mentioned conventional problems by adding a specific combination of compounds to the base oil, thereby reducing the transmission shock and increasing the transmission torque.
- it is intended to provide a lubricating oil composition suitably used for lubrication of dynamic transmissions and the like.
- the present invention relates to a method wherein the base oil comprises (A) an alkyl succinate ester and / or an alkyl succinate ester.
- the lubricating oil composition of the present invention has a low friction characteristic, that is, a static friction coefficient Z, a low dynamic friction coefficient, and a small shock due to gear shifting.
- a static friction coefficient Z a low dynamic friction coefficient
- a small shock due to gear shifting a small shock due to gear shifting.
- the change in friction characteristics due to oil temperature is small, and the change over time is also small. Therefore, it can be adequately adapted to downsizing of transmissions and the like.
- FIG. 1 and 3 show ⁇ in each case up to 2 DQ0 cycles in the examples and comparative examples. / ⁇ 12. .
- FIG. 2 is a graph showing the change with time, and FIG. 2 is a graph showing the change with temperature.
- the base oil used in the present invention is a main component of a lubricating oil composition, and various mineral oils and oils or synthetic oils that are used in ordinary lubricating oils are used. You can do it.
- the viscosity of the base oil is preferably 1.5 to 30 cSt at 100: 100, especially for the automatic transmission oil and the wet brake of the agricultural tractor. When used as grease oil, 2 to 20 cSt is preferred.
- base oils are as follows: Mineral oils are 60 neutral oils obtained by solvent refining or hydrorefining, 100 neutral oils, and 150 neutral oils. Oil, 300-neutral oil, 500-neutral oil, etc.
- synthetic oils such as polyolefins and Coal ester, dibasic acid ester, polyester, phosphoric acid ester, silicone oil, alkylbenzen, alkylgif
- synthetic oils such as polyolefins and Coal ester, dibasic acid ester, polyester, phosphoric acid ester, silicone oil, alkylbenzen, alkylgif
- the sulfur content is Q. Less than 5% by weight, more preferably less than Q.1% by weight, particularly preferably less than 100 PPm can be used.
- the sulfur content exceeds Q.5% by weight because the oxidation stability decreases.
- Mineral oil can also be used at low pour points.
- the pour point is less than or equal to -15, more preferably less than or equal to 25 t, especially preferably less than or equal to 35. This is because the friction characteristics are further improved and the restriction on the operating temperature range is relaxed.
- Mineral oil has an aromatic hydrocarbon content (% CA) of 20 or less, more preferably 10 or less, a total acid value of Q.
- ImsKOH / g or less, and preferably 0.05 m 0 H Preferred conditions are / g or less.
- the material obtained in this way can be obtained by further deepening the material.
- the distillate refers to a crude oil obtained by distillation under normal pressure or a residue obtained by distilling the residual oil of normal pressure under reduced pressure. Although there is no particular limitation on the purification method, it can be obtained by performing any of the following 1 to 5.
- a crude lubricating oil raw material is prepared from raffinic crude oil or intermediate base crude oil by an ordinary method and subjected to severe hydrotreating. By this treatment, a component that is not desirable in a lubricating oil fraction such as an aromatic component is removed, or a reaction is performed to convert the component into an effective component. At this time, most of sulfur and nitrogen are also removed.
- fractional distillation is performed to obtain the required viscosity by distillation under reduced pressure.
- a known solvent removal is carried out to remove the pour point of the usual paraffin-based oil, that is to say around -15 lOt.
- This treatment employs a solvent removal method under severe conditions.
- a zeolite catalyst is used, and the raffin (mainly normanorufin) adsorbed in the pores of the catalyst is used.
- a method of catalytic hydrogenation is used to remove any that can be selectively decomposed in a hydrogen atmosphere.
- the hydrogen pressure 5 ⁇ 300 kg / cm 2
- the amount of hydrogen introduced (per feed distillate per unit) 30 to 3000 Nm 3 , preferably 100 to 2000 Nm 3 .
- the catalyst used in this case is a carrier such as aluminum, silica, silica, alumina, zeolite, activated carbon, and voxyite.
- Use metals such as Group VI and Group VI of the Periodic Table, preferably Kontor, Nickel, Moribden, Tungsten, etc.
- the catalyst component supported by a known method is used.
- the catalyst is pre-sulfurized in advance.
- the distillate is subjected to various treatments after being subjected to the hydrotreatment, but when the distillate is subjected to the second or third stage of the hydrogenation treatment,
- the hydrotreating conditions may be set within the above range, and the conditions in the first to third stages may be the same or different. However, usually, the conditions are more strictly applied to the second stage than the first stage, and to the third stage rather than the second stage.
- the alkaline distillation is performed as a process to improve the stability of the distillate by removing a trace amount of acidic substances, and the pressure is reduced by adding an alcohol such as NaOH or KOH. This is done by distillation.
- Sulfuric acid washing is generally performed as a finishing step for petroleum products, and includes aromatic hydrocarbons, especially polycyclic aromatic hydrocarbon olefins, It is applied to improve the properties of distillate oil by removing sulfur compounds.
- Q ⁇ 5 to 5% by weight of concentrated sulfuric acid is added to the treated oil and the treatment is performed at a temperature of room temperature to 60 ° C. Sum up.
- the properties of the distillate obtained by the above treatment are as follows.
- the kinematic viscosity is 1.5 to 30 cSc (at 100), the sulfur content is less than 0.5 wt%, and the pour point is below -15. It has an aromatic hydrocarbon content (% C A ) of about 20% or less and a total acid value of 0.1 lmsKQH / g or less.
- synthetic oils polyolefins and condensed and / or Z or non-condensed ring saturated hydrocarbons are preferred.
- saturated hydrocarbons there are various types of such saturated hydrocarbons, and in particular, saturated hydrocarbons having a cyclohexyl group and a z or decalyl group. And those having 1 to 40 carbon atoms (! To 40.
- specific examples of the saturated hydrocarbon having a cyclohexyl group and / or a dextrin group include: 2 — methyl 2, 4 — dicyclohexylpentanine; cyclohexylmethyldecalin; 11 (methyldecalyl) 2,4-Dicyclohexylbentan; disodecylcyclohexane, and the like.
- the base oil may be added with a viscosity index improver, corrosion inhibitor, etc., if necessary.
- an alkenyl succinate ester / or an alkyl succinate ester is used as the component (A).
- Alkenyl succinate ester or alkyl succinate as the succinic acid ester, those represented by the following general formula [I] can be particularly effectively used.
- R 1 is an alkyl group or an alkyl group having 6 to 30 carbon atoms, preferably 12 to 24 carbon atoms.
- R 2 and R 3 are hydrogen, an alkyl group having 1 to 20 carbon atoms, and a hydroxyalkyl group having 1 to 20 carbon atoms.
- R 4 is an alkylene group having 1 to 4 carbon atoms
- R 5 is an alkyl group having 1 to 20 carbon atoms or a hydroxy-substituted product thereof
- n is an integer of 0 to 6
- X is 1 or 2.
- R 2 and R 3 are the same even if the same level is different, but a good level is excluded when both R 2 and R 3 are hydrogen.
- alkenyl succinate esters and alkyl succinate esters include octadecenyl succinate monomethyl ester. Ter, octadecenyl dimethyl succinate, octadecenyl monosuccinate, octadecenyl succinate Dioctylester octarate, octadecane Monooctyl ester octyl octyl octanoate, octyl decyl ester octyl octyl octyl acrylate, octadecenyl monooctyl octyl succinate, octa octyl ester Dinonylester decenyl succinate, Monolauryl ester octadecenyl succinate, Octadecenyl succinate, Dilaurate succinate Lilester, monolau
- the component (A) there is any one of an alkyl succinate ester and an alkyl succinate ester. Alternatively, these mixtures are added, but the amount of added calories differs depending on the properties of the intended lubricating oil composition and cannot be uniquely determined. However, it is usually from Q.05 to 5.0% by weight, preferably from 0.1 to 3.0% by weight. If the amount is less than Q.05% by weight, a sufficient effect cannot be obtained, and if it exceeds 5.0% by weight, the oxidation stability deteriorates, so that it is not preferable.
- a fatty acid ester of a polyhydric alcohol is used as the component (B).
- the polyvalent alcohols are glycerin, trimethylolpropane, and benzene: 3 slits, solvit. Glycerin is particularly preferred.
- fatty acids having 8 to 30 carbon atoms are available.
- fatty acids include belargonic acid, rauric acid, palmitic acid, stearic acid, behenic acid, pendecylenic acid, and oleic acid. Acid, linoleic acid, linolenic acid, etc.
- esters include monoglyceride monooleate, diglyceride oleate, and monoglymate stearate. Examples include partial esters of polyhydric alcohols such as cerides and diglyceride stearate.
- the amount of the component (B) is about 0.05 to 5% by weight, preferably 0.01 to 3% by weight. Q. If the amount is less than 0.05% by weight, the friction characteristics cannot be improved to + minutes. on the other hand,
- the lubricating oil composition of the present invention is basically obtained by blending the above components (A) and (B) with a base oil.
- An acid amide or a boron derivative thereof can be added to improve the physical properties of all.
- the acid amide is obtained by the reaction of a carboxylic acid having 12 to 30 carbon atoms with an amine compound, and thus, specifically, isostearic acid. Or oleic acid, and tetraethylamine, triethylenetetramine, tetraethylenepentamine, hexaethylene Examples of the reaction product with benzylamine are listed.
- acid amide also includes a reaction product of an acid amide with a boron compound (boric acid, borate, borate ester). More specifically, boric acid is further added to the above-mentioned acid amide, for example, the reaction product of isostearic acid and tetraethylenpentamicin. You can list what you got from the reaction.
- the amount added is from 0.01 to 10% by weight, preferably from 0.05 to 3% by weight. If the amount is less than 0.01% by weight, a sufficient effect of improving the frictional properties and the effect of cleaning and dispersing cannot be obtained. On the other hand, if the amount exceeds 10% by weight, the static friction coefficient decreases and the transmission torque decreases. Is not desirable because it becomes smaller.
- an antioxidant for example, an antioxidant, a fining dispersant, a viscosity index improver, and the like can be appropriately added.
- the antioxidant generally used compounds such as phenol compounds, amine compounds, and zinc dithiophosphate may be used.
- the amount added is 0.01 to 3% by weight, preferably 0.05 to 2% by weight. If the content is less than 1% by weight, there will be no effect. No significant improvement is observed.
- ashless detergents and metal detergents can be used as detergent dispersants.
- alkenyl quinoimide imide, sulfonate, and finate are preferred, for example, polybutenyl octamate imidium, calcium sulfo imide, and the like.
- Net Norium Surnet, Calumium Finite, Norimu Finete, Calum Salicitate, etc. It is mentioned.
- the addition amount is 0.1 to 10% by weight, preferably 0.5 to 5% by weight. If it is less than 0.1% by weight, the dispersibility is insufficient, and if it exceeds 10% by weight, the frictional characteristics are undesirably deteriorated.
- the viscosity index improver there is no particular limitation on the viscosity index improver, but it is possible to use a polymer atalylate, an aged refin copolymer, or the like.
- a polymethacrylate having a molecular weight of 100,000 or less, preferably 50,000 or less, which has excellent shear stability and can prevent a change in viscosity for a long period of time is suitable.
- the amount added is 0.5 to 15% by weight, preferably 2 to 10% by weight. Q. If the amount is less than 5% by weight, no improvement in viscosity-temperature characteristics is observed. If the amount is more than 15% by weight, a low-viscosity base oil is used, resulting in a decrease in wear resistance and the like. Nare, 0
- Mineral oil I having a kinematic viscosity of 5 cSt and a sulfur content of 200 ppm in 1 Q0 t as a base oil and a polymethacrylate (molecular weight 42,000) 4.0% by weight
- Table 1 shows the base oil to which 4.0% by weight of libbutenyl succinic acid imid (boribitol base molecular weight 1 QQ 0) and 0.5% by weight of acid amide were added. A predetermined amount of the compound was added to obtain a lubricating oil composition.
- the obtained lubricating oil composition was tested by the following method.
- Oil temperature 50, 8o, loo, 120
- the dynamic friction coefficient at a rotational speed of 1200 rpm under the above experimental conditions was 12 . 0 , ⁇ is the static friction coefficient when stopping. Measured as. / ⁇ 2. . was calculated. This ⁇ . / ⁇ i 2 . .
- the frictional characteristics were evaluated by measuring the time-dependent changes and temperature changes of the values.
- the lubricating oil compositions shown in Table 1 were prepared in the same manner as in Examples 1-2 and Comparative Examples 1-2, except that mineral oil II having the following properties was used as the base oil. And tested. ⁇ at each time up to 2000 cycles. / ⁇ 12. . Fig. 3 shows the time-dependent changes of. Table 1 shows the results of the durability test and the temperature dependency test. Properties of Mineral Oil II
- the lubricating oil compositions shown in Table 1 were tested in the same manner as in Examples 1 and 2 and Comparative Examples 1 and 2. Table 1 shows the results of the durability test and temperature dependence test.
- the polymer acrylate molecular weight
- the polybutenyl succinate imid polybutyl group molecular weight: 1,000
- 0.5% by weight of acid amide Power 0.5% by weight of acid amide Power.
- Type A A 2 A 3 B 2 200 2000 50 "C 120 * C
- Synthetic oil IV 2 — Methyl 2,4 — Dicyclohexylbentan (Kinematic viscosity at 100 ° C 3.7 cSt)
- the lubricating oil composition of the present invention has a lubricating oil for an automatic transmission, a wet clutch such as a tractor, or a wet brake. It is extremely effective as a lubricating oil for all parts.
- composition having such properties is used for lubricating oils such as shock absorbers, power steering, hydraulic suspensions, and the like. It is also effective as a dual-purpose oil for multiple purposes.
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Abstract
A lubricating oil composition prepared by incorporating (A) 0.05 to 5 wt % of an alkenylsuccinic acid ester and/or an alkylsuccinic acid ester and (B) 0.005 to 5 wt % of a fatty acid ester of a polyhydric alcohol in a base oil. This composition has low frictional characteristics, i.e., a small ratio of the static friction coefficient to the dynamic friction coefficient and gives a less shock upon gear changes. In addition, it undergoes less changes in frictional characteristics with the temperature change or with the lapse of time. Therefore, it is well adapted for reduction in the size of, for example, a transmission. Thus, the lubricating oil composition is extremely effective as the lubricating oil for an automatic transmission, a part having a wet clutch or wet brake of, for example, tractors, and the like.
Description
明 柳 潤滑油組成物 Akira Yanagi Lubricating oil composition
技術分野 Technical field
本発明 は潤滑油組成物 に 関 し 、 詳 し く は 自 動変速機や ト ラ ク タ 等湿式 ク ラ ッ チ ま た は湿式 ブ レ ー キ を有す る 部 分の潤滑 に 好適 に 用 い ら れ る 潤滑油組成物 に 関す る 。 背景技術 ' The present invention relates to a lubricating oil composition and, more particularly, to a lubricating oil composition suitable for lubricating parts having a wet clutch such as an automatic transmission or a tractor or a wet brake. The present invention relates to any lubricating oil composition. Background technology ''
自 動変速機 や ト ラ ク タ 等湿式 ク ラ ッ チ ま た は 湿式 ブ レ ー キ を有す る 部分の潤滑 に 用 い ら れ る 潤滑油 は、 良好 な摩擦特性, 酸化安定性, 耐腐食性 , 防鍩性を有 し 、 し か も 伝達 ト ル ク が大 き い な ど の性能が要求 さ れ て レヽ る 。 な お 、 こ こ で云 う 摩擦特性 と は静止摩擦係数 と 動摩擦係 数の比を云い、 こ の比が小 さ く 、 し か も 温度や経時 に よ る 変化が小 さ レヽ こ と が要求 さ れ て レヽ る 。 Lubricants used for lubricating parts with wet clutches or wet brakes, such as automatic transmissions and tractors, have good friction characteristics, oxidation stability, and resistance to oxidation. It is required to have performances such as corrosiveness and protection, and large transmission torque. Here, the friction characteristic refers to a ratio between a static friction coefficient and a dynamic friction coefficient, and it is required that the ratio is small and that the change due to temperature and aging is small. It has been reviewed.
従来、 こ の よ う な潤滑油 と し て静止摩擦係数が高 く 、 伝達 ト ル ク の 良好 な も の が知 ら れ て い る 。 し か し な が ら 、 こ の潤滑油 は摩擦特性が充分で な く 、 変速 シ ョ ッ ク が大 き レ、 と レ、 う 欠点 が あ る 。 Conventionally, it has been known that such a lubricating oil has a high static friction coefficient and a good transmission torque. However, this lubricating oil has the disadvantages that the friction characteristics are not sufficient and the speed change shock is large.
特 に 近年、 自 動車の小型化 と F F 車 ( 前輪駆動車 ) の 急増 に よ り 、 自 動変速機 な ど が小型化 さ れ る 傾向 は ま す ま す著 し く な っ て レヽ る 。 こ の よ う な 自 動変速機の小型化 傾向 は 、 変速 シ ョ ッ ク が人体 に よ り 敏感 に 感 じ ら れ る と
い う 悪影響を助長する 。 し た がっ て 、 変速シ ョ ッ ク を少 な く し て乗 り 心地を良く す る ため に摩擦特性の一層の向 上を図る こ と が技術課題と な っ ている 。 In particular, in recent years, due to the miniaturization of automobiles and the rapid increase of front-wheel drive (FF) vehicles, the trend of miniaturization of automatic transmissions and the like has become more and more remarkable. This tendency to reduce the size of automatic transmissions is due to the fact that the shifting shock is more sensitive to the human body. Promotes adverse effects. Therefore, the technical challenge is to further improve the friction characteristics in order to reduce the shifting shock and improve the riding comfort.
そ こ で摩擦特性向上の ため に摩擦調整剤を用い た潤滑 油が提案さ れている。 しか し なが ら 、 摩擦調整剤を用い た潤滑油ほ未だ摩擦特性が不充分な う え に摩擦特性が油 温変化 と と も に変化す る こ と 、 お よび長期使用 に よ る油 の劣化 (経時変化) に よ っ て摩擦特性が低下し て し ま う と い う 問題があ っ た。 - し たがっ て、 こ れま で に良好な摩擦特性を有 し、 しか も温度や経時に よ る変化が小さ く 、 かつ伝達 ト ルク の大 き い潤滑油 ほ得 ら れてい ない。 Therefore, lubricating oils using friction modifiers have been proposed to improve the friction characteristics. However, lubricating oils that use friction modifiers still have insufficient friction characteristics, and the friction characteristics change with changes in oil temperature. There was a problem that the friction characteristics were deteriorated due to deterioration (aging). -Therefore, no lubricating oil that has good friction characteristics so far, has little change with temperature and aging, and has a large transmission torque has not been obtained.
本発明 の 目 的 は基油 に 特定の組合せ の化合物 を含有 さ せ る こ と に よ り 、 上記従来の 問題点 を解消 し、 変速 シ ョ ッ ク が少な く 、 しか も伝達 ト ルク が大き く 、 動変 速機等の潤滑に好適 に用い られる潤滑油組成物を提供す る し と に め る 。 The purpose of the present invention is to solve the above-mentioned conventional problems by adding a specific combination of compounds to the base oil, thereby reducing the transmission shock and increasing the transmission torque. In addition, it is intended to provide a lubricating oil composition suitably used for lubrication of dynamic transmissions and the like.
発明の開示 Disclosure of the invention
す な わ ち 本発明 は、 基油 に ( A ) ア ル ケニ ル コ ハ ク 酸エス テ ル お よ び / ま た は ア ル キ ル コ ハ ク 酸エス テ ル That is, the present invention relates to a method wherein the base oil comprises (A) an alkyl succinate ester and / or an alkyl succinate ester.
0 - 0 5〜 5 重量% お よ び ( B ) 多価 ア ル コ ールの脂肪酸ェ ス テル 0 , 0 0 5〜 5 重量% を含有さ せる こ と を特徴 と す る 潤滑油組成物 に 関す る 。
木 発 明 の 潤滑油組成物 は 摩擦特性、 す な わ ち 静止摩 擦係 数 Z動摩擦係数 が小 さ い も の で あ り 、 変速 に よ る シ ョ ッ ク が小 さ い。 し か も 、 摩擦特性の油温 に よ る 変化 が少 な く 、 経時変化 も 小 さ い。 し た が っ て 、 変速機等の 小型化 に 充分適応 し う る も の で あ る 。 0 to 0 5 to 5% by weight and (B) a lubricating oil composition characterized by containing 0,005 to 5 % by weight of a fatty acid ester of a polyhydric alcohol. About. The lubricating oil composition of the present invention has a low friction characteristic, that is, a static friction coefficient Z, a low dynamic friction coefficient, and a small shock due to gear shifting. However, the change in friction characteristics due to oil temperature is small, and the change over time is also small. Therefore, it can be adequately adapted to downsizing of transmissions and the like.
図面の簡単 な説明 BRIEF DESCRIPTION OF THE DRAWINGS
第 1 図お よ び第 3 図 は実施例 お よ び比較例 で の 2 D Q 0サ ィ ク ル ま で の各時 に お け る β 。/ μ 12。。の経時変化 を示す グ ラ フ で あ り 、 第 2 図 は そ の温度変化を示す グ ラ フ で あ る 。 Figures 1 and 3 show β in each case up to 2 DQ0 cycles in the examples and comparative examples. / Μ 12. . FIG. 2 is a graph showing the change with time, and FIG. 2 is a graph showing the change with temperature.
発明 を実施す る た め の最良の形態 BEST MODE FOR CARRYING OUT THE INVENTION
本発明 に 用 い る 基油 は潤滑油組成物の主成分で あ り 、 通常の潤滑油 に 使用 さ れ る も の で あ れ ば各種の鉱油 お よ びノ ま た は合成油 を 用 い る こ と が で き る 。 The base oil used in the present invention is a main component of a lubricating oil composition, and various mineral oils and oils or synthetic oils that are used in ordinary lubricating oils are used. You can do it.
基油の粘度 は、 100 : に お い て 1.5〜 30 c S t の も の が 好 ま し く 、 特 に 自 動変速機用油 お よ び農業用 ト ラ ク タ ー の湿式 ブ レ ー キ 用油 と し て 使用 す る 場合 は、 2 〜 20cSt の も の が好 ま し レヽ。 The viscosity of the base oil is preferably 1.5 to 30 cSt at 100: 100, especially for the automatic transmission oil and the wet brake of the agricultural tractor. When used as grease oil, 2 to 20 cSt is preferred.
基 油 の 具体例 を 示 す と 、 鉱油 と し て は 溶剤精製 ま た は 水添精製 に よ る 60ニ ュ ー 卜 ラ ル 油 . 100二 ユ ー ト ラ ル 油 , 150 ニ ュ ー ト ラ ル 油 , 300 ニ ュ ー ト ラ ル 油 , 500 ニ ュ ー ト ラ ル油 な ど が あ る 。 Specific examples of base oils are as follows: Mineral oils are 60 neutral oils obtained by solvent refining or hydrorefining, 100 neutral oils, and 150 neutral oils. Oil, 300-neutral oil, 500-neutral oil, etc.
— 方 、 合成油 と し て は 、 ポ リ オ レ フ イ ン , ボ リ ダ リ
コールエ ス テ ル , 二塩基酸エス テ ル , ポ リ オールエ ス テ ル , リ ン 酸 エス テ ル , シ リ コ ー ン オ イ ル , ア ル キ ル ベ ン ゼ ン , ア ル キ ル ジ フ エ 二 ル , 二塩基酸エ ス テ ル な ど の 他、 縮合環お よ び Zま た は非縮合環の飽和炭化水素が挙 げ ら れ、 こ れ ら を主成分と し た も のが基油 と し て用い ら れる 。 — On the other hand, synthetic oils such as polyolefins and Coal ester, dibasic acid ester, polyester, phosphoric acid ester, silicone oil, alkylbenzen, alkylgif Other examples include condensed rings and saturated hydrocarbons of a condensed ring and Z or non-condensed rings, such as ethyl and dibasic acid esters, and those containing these as a main component. Used as a base oil.
なお、 本発明 に おいて基油 と して鉱油を用い る場合、 When mineral oil is used as the base oil in the present invention,
100 t に お け る動粘度が 1.5〜 30 c S t 、 好 ま し く ほ 2 〜 20 c S t であれば種々 の も の を使用 で き る が、 好ま し く は 硫黄分が Q .5重量%以下、 よ り 好 ま し く は Q .1重量%以 下、 特に好ま し く は 100 P P m以下の も のが使用 で き る 。 If the kinematic viscosity at 100 t is 1.5 to 30 cSt, preferably 2 to 20 cSt, various ones can be used, but preferably, the sulfur content is Q. Less than 5% by weight, more preferably less than Q.1% by weight, particularly preferably less than 100 PPm can be used.
こ こ で硫黄分が Q .5重量%を超え る と酸化安定性が低 下する ので好ま し く ない。 Here, it is not preferable that the sulfur content exceeds Q.5% by weight because the oxidation stability decreases.
鉱油は、 ま た低流動点の も の を用い る こ と がで き る。 好ま し く は流動点が - 15で 以下、 よ り 好ま し く は一 25 t 以下、 特 に好ま し く は一 35で 以下の も の で あ る 。 摩擦特 性がさ ら に向上す る と と も に、 使用温度範囲の制限が緩 和さ れる か ら であ る 。 Mineral oil can also be used at low pour points. Preferably the pour point is less than or equal to -15, more preferably less than or equal to 25 t, especially preferably less than or equal to 35. This is because the friction characteristics are further improved and the restriction on the operating temperature range is relaxed.
なお鉱油は、 さ ら に芳香族炭化水素含量 ( % C A ) が 20 以下、 よ り 好 ま し く は 10以下、 全酸価が Q . ImsKOH/g以 下、 好ま し く ほ 0.05 m 0 H/g 以下等が好ま しい条件で あ る 。 Mineral oil has an aromatic hydrocarbon content (% CA) of 20 or less, more preferably 10 or less, a total acid value of Q. ImsKOH / g or less, and preferably 0.05 m 0 H Preferred conditions are / g or less.
こ の よ う な鉱油 ほ、 パ ラ フ ィ ン系原油, 中間基原油 ま
た は ナ フ テ ン 基原油 を蒸留 し て得 ら れ た 留 出油 ( 常圧換 算で沸点 2 5 Q〜 4 5 0 で ) を常法 に 従 っ て精製す る こ と に よ り 、 或い は こ の よ う に し て 得 ら れ た も の を さ ら に 深脱 ろ う 処理 を行 な う こ と に よ っ て 得 る こ と が で き る 。 Such mineral oils, paraffinic crude oils, intermediate base crude oils, etc. Or a distillate obtained by distilling naphthenic base crude oil (having a boiling point of 25 Q to 450 at normal pressure), which is refined in accordance with a conventional method. Alternatively, the material obtained in this way can be obtained by further deepening the material.
な お、 留出油 と は原油 を常圧蒸留 す る か あ る い は常圧 蒸留の残渣油 を減圧蒸留 し て 得 れ る も の を意味 す る 。 精製法 は特 に 制限 は な い が、 次の ①〜⑤ の い ず れか の処 理 を す る こ と に よ っ て得 る こ と が で き る 。 The distillate refers to a crude oil obtained by distillation under normal pressure or a residue obtained by distilling the residual oil of normal pressure under reduced pressure. Although there is no particular limitation on the purification method, it can be obtained by performing any of the following ① to ⑤.
①留 出油 を水素化処理す る か 、 ま た は水素化処理 し た の ち 、 ア ル カ リ 蒸留 も し く は硫酸洗浄を行 な う 。 ②留 出 油 を溶剤精製処理す る か、 ま た は溶剤精製処理 し た 後、 水素化処理 ま た は ア ル カ リ 蒸留 も し く は硫酸洗浄を行 な う 。 ③留 出油 を水素化処理 し た の ち 、 続い て 第 2 段 目 の 水素化処理 を行 な う 。 ④留出油 を水素化処理 し た の.ち 、 第 2 段 目 の水素化処理、 さ ら に 第 3 段 目 の水素化処理を 行 な う 。 ⑤留出油 を水素化処理 し た の ち 、 第 2 段 目 の水 素化処理を行 な い 、 さ ら に ア ル カ リ 蒸留 も し く は硫酸洗 浄を行 な う 。 以下 に 処理法の 1 例を示す 。 (1) Hydrotreat the distillate, or after hydrotreating, carry out Alkali distillation or sulfuric acid washing. (2) Distillate oil is subjected to solvent refining treatment, or after solvent refining treatment, hydrotreating or Alkali distillation or sulfuric acid washing is performed. (3) After the distillate is hydrotreated, the second stage of hydroprocessing is performed.水 素 After the distillate has been hydrotreated, the second stage of the hydrotreating and the third stage of the hydrotreating are performed.水 素 After hydrotreating the distillate, do not carry out the second stage of hydrogenation, and also carry out Alkali distillation or sulfuric acid washing. An example of the processing method is shown below.
ノ、' ラ フ ィ ン 系原油 ま た は 中間基原油か ら 常法 に よ り 、 潤滑油粗原料 を調製 し 、 苛酷 な水素化処理 を行 な う 。 こ の処理 に よ っ て 芳香族分 な ど の潤滑油留分 に 好 ま し く な い成分 を 除去 し た り 、 有効 な成分 に 変 え た り す る 反応が 行 な わ れ る 。 こ の 際、 硫黄分や窒素分 も 殆 ん ど 除去 さ れ
る No. A crude lubricating oil raw material is prepared from raffinic crude oil or intermediate base crude oil by an ordinary method and subjected to severe hydrotreating. By this treatment, a component that is not desirable in a lubricating oil fraction such as an aromatic component is removed, or a reaction is performed to convert the component into an effective component. At this time, most of sulfur and nitrogen are also removed. To
次いで、 減圧蒸留 に よ り 必要な粘度を得る よ う な分留 を行な う 。 し か る後に、 既知の溶剤脱ろ う を行ない、 通 常の パ ラ フ ィ ン ベース オ イ ル が有す る 流動点、 す な わ ち - 15 lOt程度に脱ろ う す る 。 Next, fractional distillation is performed to obtain the required viscosity by distillation under reduced pressure. After that, a known solvent removal is carried out to remove the pour point of the usual paraffin-based oil, that is to say around -15 lOt.
こ の脱ろ う 処理後、 必要に応 じ て さ ら に水素化処理を 行 な い芳香族分の大部分 を水素化 さ せ て飽和分 と し 、 ベース オ イ ルの熱的, 化学的 な安定性を向上さ せ る 。 こ こ で得た鉱油の流動点が高 く て不十分な と き は引続き深 脱ろ う 処理が行なわれる 。 こ の処理は苛酷な条件での溶 剤脱ろ う 法ゃゼオ ラ イ ト 触媒を用い、 該触媒の細孔に吸 着 さ れ る ノ《 ラ フ ィ ン (主 と し て ノ ルマ ル ノ ラ フ ィ ン ) を 選択的 に水素雰囲気下で分解し て ろ う 分 どな る も の を除 _去す る接触水添脱ろ う 法が適用さ れる 。 After this dewatering treatment, if necessary, most of the aromatics that are not subjected to further hydrogenation are hydrogenated to a saturated content, and the thermal and chemical properties of the base oil are reduced. To improve the stability. If the pour point of the mineral oil obtained here is too high and insufficient, the deep-draining process will continue. This treatment employs a solvent removal method under severe conditions. A zeolite catalyst is used, and the raffin (mainly normanorufin) adsorbed in the pores of the catalyst is used. A method of catalytic hydrogenation is used to remove any that can be selectively decomposed in a hydrogen atmosphere.
水素化処理は原料油の性状等に よ り 異な る が、 通常ほ 反応温度 200〜 480 で 、 好ま し く は 250〜 480 で , 水素 圧力 5 〜 300 kg/ cm 2 , 好ま し く は 30〜 250 k g/ c m 2 , 水素 導入量 (対供紿留出油 1 当 り ) 30〜 3000 N m3、 好ま し く は 100〜 2000 N m 3の条件で行なわれる 。 ま た、 こ の際 に 甩い ら れ る触媒は担体 と し て ア ル ミ ナ , シ リ カ , シ リ 力 · ア ル ミ ナ , ゼォ ラ イ ト , 活性炭, ボーキサ イ ト な ど を用い、 周期律表第 VI族, 第 族な ど の金属、 好ま し く は コ ノ ル ト , ニ ッ ケル , モ リ ブデ ン , タ ン グス テ ン な ど
の触媒成分 を既知の方法 で担持 さ せ た も の が使用 さ れ る 。 な お、 触媒は予め予備硫化 し た も のが好ま し い。 While hydrotreating Ru different Ri by the feedstock characteristics such as, in the usual ho reaction temperature from 200 to 480, with 250 to 480 were rather are preferred, the hydrogen pressure 5 ~ 300 kg / cm 2, and rather the preferred 30 It is carried out under the conditions of 250 kg / cm 2 , the amount of hydrogen introduced (per feed distillate per unit) 30 to 3000 Nm 3 , preferably 100 to 2000 Nm 3 . In addition, the catalyst used in this case is a carrier such as aluminum, silica, silica, alumina, zeolite, activated carbon, and voxyite. Use metals such as Group VI and Group VI of the Periodic Table, preferably Kontor, Nickel, Moribden, Tungsten, etc. The catalyst component supported by a known method is used. Preferably, the catalyst is pre-sulfurized in advance.
上記 し た如 く 、 留出油 は水素化処理 し た後、 種々 の処 理が行なわれ る が、 第 2 段 目 あ る い は第 3 段 目 の水素ィ匕 処理を行な う 場合、 水素化処理条件は上記範囲内で設定 すればよ く 、 第 1 〜 3 段 目 の各条件は同一で あ っ て も よ く 異な っ て も よ い。 し か し 、 通常は第 1 段 目 よ り は第 2 段 目 、 第 2 段 目 よ り は第 3 段 目 の条件を厳 し く し て行な わ れ る 。 As described above, the distillate is subjected to various treatments after being subjected to the hydrotreatment, but when the distillate is subjected to the second or third stage of the hydrogenation treatment, The hydrotreating conditions may be set within the above range, and the conditions in the first to third stages may be the same or different. However, usually, the conditions are more strictly applied to the second stage than the first stage, and to the third stage rather than the second stage.
次 に 、 ア ル カ リ 蒸留 は微量の酸性物質を除去 し て留出 分の安定性を改良す る工程 と し て行なわれ、 N a O H , K 0 H 等の ア ルカ リ を加え て減圧蒸留す る こ と に よ り 行な う 。 Next, the alkaline distillation is performed as a process to improve the stability of the distillate by removing a trace amount of acidic substances, and the pressure is reduced by adding an alcohol such as NaOH or KOH. This is done by distillation.
ま た、 硫酸洗浄は、 一般 に 石油製品の仕上げエ程 と し て行なわれて い る も の で あ り 、 芳香族炭化水素、 特 に 多 環芳香族炭化水素ゃ ォ レ フ イ ン類, 硫黄化合物な ど を除 去 し て留出油の性状を改善す る た め に適用 さ れ る 。 本発 明で は処理油 に Q · 5 ~ 5 重量%の濃硫酸を加え て室温〜 6 0で の温度で処理す る こ と に よ り 行ない、 しか る 後 N a 0 H な ど で中和す る 。 Sulfuric acid washing is generally performed as a finishing step for petroleum products, and includes aromatic hydrocarbons, especially polycyclic aromatic hydrocarbon olefins, It is applied to improve the properties of distillate oil by removing sulfur compounds. In the present invention, Q · 5 to 5% by weight of concentrated sulfuric acid is added to the treated oil and the treatment is performed at a temperature of room temperature to 60 ° C. Sum up.
な お、 留出油の処理は上記操作の組合せ に よ り 前記 し た如 く ①〜⑤の具体的方法があ る が、 こ れ ら方法の中で ほ特 に ①, ③, ④の方法が好適で あ る 。 As described above, there are specific methods (1) to (4) for distillate oil treatment according to the combination of the above operations. Among these methods, methods (1), (3), and (4) are particularly preferred. Is preferred.
上記の如 き 処理 に よ り 得 ら れ る 留出油 は そ の性状が、
動粘度が 1.5〜 30 c S c ( 100 で ) , 硫黄分 Q .5重量%以 下, 流動点 - 15で 以下で あ る 。 ま た芳香族炭化水素含量 ( % CA) ほ 20%以下、 全酸価が 0. lmsKQH/g以下の も の で あ る 。 The properties of the distillate obtained by the above treatment are as follows. The kinematic viscosity is 1.5 to 30 cSc (at 100), the sulfur content is less than 0.5 wt%, and the pour point is below -15. It has an aromatic hydrocarbon content (% C A ) of about 20% or less and a total acid value of 0.1 lmsKQH / g or less.
こ の よ う な鉱油を 用 い る こ と に よ り 、 よ り 静止摩擦係 数 /動摩擦係数が小さい潤滑油組成物を得る こ と がで き る 。 By using such a mineral oil, it is possible to obtain a lubricating oil composition having a smaller static friction coefficient / dynamic friction coefficient.
ま た、 合成油 と し て は、 ポ リ オ レ フ イ ン や縮合璟お よ び Zま た は非縮合環の飽和炭化水素が好ま し い。 Further, as synthetic oils, polyolefins and condensed and / or Z or non-condensed ring saturated hydrocarbons are preferred.
こ の よ う な飽和炭化水素 と し て は様々 な も のが挙げ ら れる が、 特に シク ロへキ シ ル基お よび zま た はデカ リ ル 基を有す る飽和炭化水素であ っ て、 炭素数 1(!〜 40の も の が好ま しい。 こ こ で シ ク ロ へキ シ ル基お よび /ま た はデ 力 リ ル基を有する飽和炭化水素 と し て具体的 に は 2 — メ チル ー 2 , 4 — ジ シ ク ロ へキ シ ルペ ン タ ン ; シ ク ロ へ キ シ ル メ チルデ カ リ ン ; 1 一 ( メ チ ルデ カ リ ル ) 一 1 ー シ ク 口 へキ シ ルェタ ン ; 2 , 4 — ジ シ ク ロ へ キ シルベ ン タ ン ; ィ ソ ド デ シルシ ク ロへキサ ン な どが挙げ ら れる 。 There are various types of such saturated hydrocarbons, and in particular, saturated hydrocarbons having a cyclohexyl group and a z or decalyl group. And those having 1 to 40 carbon atoms (! To 40. Here, specific examples of the saturated hydrocarbon having a cyclohexyl group and / or a dextrin group include: 2 — methyl 2, 4 — dicyclohexylpentanine; cyclohexylmethyldecalin; 11 (methyldecalyl) 2,4-Dicyclohexylbentan; disodecylcyclohexane, and the like.
基油 に は必要に応 じ て粘度指数向上剤, 腐食防止剤な どを添加 し て も よ レヽ。 The base oil may be added with a viscosity index improver, corrosion inhibitor, etc., if necessary.
本発明 に おい て は ( A ) 成分 と し て ア ルケ ニル コ ハ ク 酸エス テ ル お よ ぴ / ま た は ア ルキル コ ハ ク 酸エス テ ル を 用 い る 。 ア ルケニル コ ハ ク 酸エス テ ルま た は ア ル キ ル コ
ハ ク 酸エ ス テ ル は下記の如 き 一般式 [ I ] に て 示 さ れ る も の が特 に 有効 に 使用 で き る 。 In the present invention, as the component (A), an alkenyl succinate ester / or an alkyl succinate ester is used. Alkenyl succinate ester or alkyl succinate As the succinic acid ester, those represented by the following general formula [I] can be particularly effectively used.
R 1— CH - C00R2 R 1 — CH-C00R 2
I C I ] I C I]
CH2-C00R3 CH 2 -C00R 3
上記 [ I ] 式 に お い て 、 R1ほ炭素数 6 〜 30、 好 ま し く は 炭素数 12〜 24の ア ル ケ ニ ル基 ま た は ア ル キ ル基 で あ る 。 In the above formula [I], R 1 is an alkyl group or an alkyl group having 6 to 30 carbon atoms, preferably 12 to 24 carbon atoms.
ま た 、 上記式 [ I ] に お い て R 2お よ び R 3は水素 , 炭素 数 1 〜 20の ア ル キ ル基, 炭素数 1 〜 20の ヒ ド ロ キ シ ア ル キ ル基 ま た は In the above formula [I], R 2 and R 3 are hydrogen, an alkyl group having 1 to 20 carbon atoms, and a hydroxyalkyl group having 1 to 20 carbon atoms. Or
一般式 General formula
一 R 4— (OR4 ) S x— R 5 One R 4 — (OR 4 ) S x — R 5
n n
( 式中、 R4ほ炭素数 1 〜 4 の ア ル キ レ ン 基で あ り 、 R5は 炭素数 1 〜 20の ア ル キ ル基 ま た は そ の ヒ ド ロ キ シ 置換 体、 n は 0 〜 6 の整数、 X は 1 ま た は 2 で あ る 。 ) で表わ さ れ る 基を示す。 (Wherein, R 4 is an alkylene group having 1 to 4 carbon atoms, and R 5 is an alkyl group having 1 to 20 carbon atoms or a hydroxy-substituted product thereof) n is an integer of 0 to 6, and X is 1 or 2.)).
こ こ で R 2お よ び R 3は同一あ る レヽ は異 な っ て も 良レヽ が、 R 2お よ び R 3の両者が水素で あ る 場合 は除か れ る 。 Here, R 2 and R 3 are the same even if the same level is different, but a good level is excluded when both R 2 and R 3 are hydrogen.
ア ル ケ ニル コ 八 ク 酸エス テ ル お よ び ア ル キ ル コ ハ ク 酸 エス テ ル の具体例 と し て は 、 ォ ク タ デ セ ニル コ ノヽ ク 酸 モ ノ メ チ ル エ ス テ ル , ォ ク タ デ セ ニ ル コ ハ ク 酸 ジ メ チ ルェ ス テ ル , ォ ク タ デ セ ニ ル コ ハ ク 酸モ ノ ェ チ ル エ ス テ ル , ォ ク タ デ セ ニ ル コ 八 ク 酸 ジ ェ チ ルエ ス テ ル , ォ ク タ デ セ
ニル コ 八 ク 酸モ ノ ォ ク チルエス テル , ォ ク タ デセ ニル コ 八 ク 酸 ジ ォ ク チ ルエス テ ル , ォ ク タ デ セ ニル コ ハ ク 酸モ ノ ノ ニルエス テ ル, ォ ク タ デ セ ニル コ ハ ク 酸ジ ノ ニルェ ス テ ル , ォ ク タ デ セ ニ ル コ ハ ク 酸モ ノ ラ ウ リ ル エ ス テ ル, ォ ク タ デ セ ニル コ ノ、 ク 酸ジ ラ ウ リ ルエス テル, ド デ シ ル コ ハ ク酸モ ノ ラ ウ リ ルエス テル , ド デ シ ル コ ハ ク酸 ジ ラ ウ リ ルエス テル , へ キサデ シ ル コ ハ ク 酸モ ノ メ チル エス テル , へ キサデ シル コ ハ ク 酸 ジ メ チルエス テ ル , へ キサデ シ ル コ 、 ク 酸モ ノ ェチ ルエス テル , へ キ サデ シ ル コ 八 ク 酸ジ ェチルエス テル, ォ ク タ デ シ ル コ ハ ク 酸モ ノ メ チルエス テ ル , ォ ク タ デ シ ル コ ハ ク 酸ジ メ チ ルエス テ ル , ォ ク タ デ シ ル コ 八 ク 酸モ ノ ェチルエス テ ル , ォ ク タ デ シ ル コ ノ \ ク 酸ジ ェチ ルエス テル , ォ ク タ デ シ ル コ ハ ク 酸モ ノ ォ ク チルエス テル, ォ ク タ デ シ ルコ ハ ク 酸ジォ ク チルエス テ ル , ォ ク タ デ シ ル コ ノヽ ク 酸モ ノ ラ ウ リ ルエス テル , ォ ク タ デ シル コ ハ ク酸モ ノ ラ ウ リ ルエス テ ル, ォ ク タ デ シ ル コ ハ ク 酸ジ ラ ウ リ ルエス テル , 平均炭素数 1 8 の プ ロ ピ レ ン オ リ ゴマーの ア ルケニル コ ハ ク 酸 と ブ ロ ピ レ ン ダ リ コ ール と の反応生成物, 平均分子量 4 Q Qの ポ リ プデ ン の ボ リ ブテ ニル コ ハ ク 酸 と プ ロ ピ レ ン グ リ コ ール と の反応生成物 , ォ ク タ デ セ ニル コ ハ ク 酸ォ ク チル メ ル カ ブ タ ン エ チ レ ン ォ キサ イ ド エ ス テ ル , ォ ク タ デ セ ニル コ ノ \ ク 酸ォ ク チル メ ル カ ブ タ ン ブ ロ ビ レ ン オ キサ イ ド ェ
ス テ ル . ォ ク タ デ セ ニル コ ハ ク 酸 ノ ニルメ ル カ ブ タ ン ェ チ レ ン ォ キ サ イ ド エス テ ル , 才 ク タ デ セ ニ ル コ ハ ク 酸 ノ 二ル メ ル カ ブ タ ン プ ロ ピ レ ン ォ キ サ イ ド エス テ ル , ォ ク タ デ セ 二 ル コ ノ、 ク 酸 ラ ウ リ ル メ ル カ ブ タ ン エ チ レ ン ォ キ サ イ ド エ ス テ ル , ォ ク タ デ セ ニ ル コ ノ、 ク 酸 ラ ウ リ ル メ ル カ ブ タ ン プ ロ ピ レ ン オ キ サ イ ド エ ス テ ル , ォ ク タ デ セ ニ ル コ ノ、 ク 酸 5 - ヒ ド ロ キ シ 一 3 — チ ア ベ ン チ ル エ ス テ ル , ォ ク タ デ セ ニル コ ノヽ ク 酸 6 — ヒ ド ロ キ シ ー 3 , 4 — ジ チ ア へ キ シ ルエス テ ル な ど が挙げ ら れ る 。 Specific examples of alkenyl succinate esters and alkyl succinate esters include octadecenyl succinate monomethyl ester. Ter, octadecenyl dimethyl succinate, octadecenyl monosuccinate, octadecenyl succinate Dioctylester octarate, octadecane Monooctyl ester octyl octyl octanoate, octyl decyl ester octyl octyl octyl acrylate, octadecenyl monooctyl octyl succinate, octa octyl ester Dinonylester decenyl succinate, Monolauryl ester octadecenyl succinate, Octadecenyl succinate, Dilaurate succinate Lilester, monolaurylester dodecylsuccinate, dilaurylester dodecylsuccinate, monomethylester hexadesilylsuccinate, Dimethylester hexadesilyl succinate, hexadecylcolate, monoethylester citrate, hexadecylsilicone Diethylester octylate, octadecyl ester Acid monoethyl ester, octadecyl alcohol Dimethyl ester, octadecyl monooctyl octanoate, octa desil octanoic acid \ ethyl octyl acrylate, octa desil succinic acid Monooctylester, dioctylester octadecyl succinate, monooctylester octadecyl succinate, octadecyl succinate, octadecyl succinic acid Monolauryl ester, dilauryl ester octadecyl succinate, alkenyl succinic acid and bromine of a propylene oligomer with an average carbon number of 18 Reaction product of pyrendalcohol, reaction product of polybuten succinic acid of pollipden having an average molecular weight of 4 QQ with propylene glycol, Octadecenyl octyl succinate Lee de et scan Te le, O-click data-decenyl co-Roh \ click Sano click chill main Le mosquito porcine down blanking Russia bi-les-down Oh Kisa Lee de E Non-methyl octadecenyl succinate succinic acid ester, octadecenyl succinate nonyl succinate Butane propylene oxide ester, octadecenyl silicone, rauryl mellate carbane ethylene oxide Sterol, Octadecenyl Cono, Rauryl Mercaptan Butyrate Propylene Oxide Estel, Octadecenyl Cono , Citrate 5-hydroxy 1-3-hydroxybenzyl ester, octadecenyl conoxy-acid 6-hydroxy 3, 4-dithia Xylester etc. are mentioned.
本発明 に お い て は ( A ) 成分 と し て ア ル ケ ニ ル コ ノヽ ク 酸エス テ ル あ る い は ア ル キ ル コ ハ ク 酸エ ス テ ル の い ず れ か一方あ る い は そ れ ら の混合物を添加す る が、 そ の添カロ 量 は 目 的 と す る 潤滑油組成物の性状 な ど に よ り 異 な り 、 一義 的 に 決定 で き な い 。 し か し 、 通常 は Q .05〜 5.0 重 量% 、 好 ま し く は 0.1〜 3.0重量% で あ る 。 Q .05重量% 未満 の 添加量 で は 充分 な 効果 が 得 ら れ ず 、 ま た 5.0重 量 % を 超 え る と 酸化安定性 が悪化 す る の で 好 ま し く な レヽ In the present invention, as the component (A), there is any one of an alkyl succinate ester and an alkyl succinate ester. Alternatively, these mixtures are added, but the amount of added calories differs depending on the properties of the intended lubricating oil composition and cannot be uniquely determined. However, it is usually from Q.05 to 5.0% by weight, preferably from 0.1 to 3.0% by weight. If the amount is less than Q.05% by weight, a sufficient effect cannot be obtained, and if it exceeds 5.0% by weight, the oxidation stability deteriorates, so that it is not preferable.
次 に 、 本発明 で は ( B ) 成分 と し て 多価 ア ル コ ール の 脂肪酸エス テ ル を 用 い る 。 こ こ で 、 多価 ア ル コ ー ル と し て ほ グ リ セ リ ン , ト リ メ チ ロ ール プ ロ パ ン , ベ ン タ エ: 3ス リ ッ ト , ソ ル ビ ッ ト な ど が あ り 、 特 に グ リ セ リ ン が好 ま し レ、 。 ま た 、 脂肪酸 と し て は 炭素数 8 〜 30の も の が あ
2 Next, in the present invention, a fatty acid ester of a polyhydric alcohol is used as the component (B). Here, the polyvalent alcohols are glycerin, trimethylolpropane, and benzene: 3 slits, solvit. Glycerin is particularly preferred. In addition, fatty acids having 8 to 30 carbon atoms are available. Two
り 、 飽和, 不飽和のいずれであ っ て も よ い。 脂肪酸の具 体例を示す と 、 ベ ラ ルゴ ン酸, ラ ウ リ ン酸, パ ル ミ チ ン 酸, ス テ ア リ ン 酸, ベヘ ン酸, ゥ ン デ シ レ ン 酸 , ォ レ イ ン酸, リ ノ ール酸, リ ノ レ ン酸な どがあ る 。 よ り 好ま し い エス テ ル を例示す る と 、 ォ レ イ ン 酸 モ ノ グ リ セ ラ イ ド , ォ レ イ ン酸ジグ リ セ ラ イ ド , ス テ ア リ ン酸モ ノ グ リ セ ラ イ ド , ス テ ア リ ン 酸ジ グ リ セ ラ イ ド 等の 多価 ア ル コ ールの部分エス テルが挙げ ら れ る 。 It may be saturated or unsaturated. Specific examples of fatty acids include belargonic acid, rauric acid, palmitic acid, stearic acid, behenic acid, pendecylenic acid, and oleic acid. Acid, linoleic acid, linolenic acid, etc. Examples of more preferred esters include monoglyceride monooleate, diglyceride oleate, and monoglymate stearate. Examples include partial esters of polyhydric alcohols such as cerides and diglyceride stearate.
上記 ( B ) 成分の添加量ほ Q . 0 0 5〜 5 重量%、 好ま し く は 0 . 0 1〜 3 重量% で あ る。 Q . 0 0 5重量%未満の添加量 で は摩擦特性を +分 に改善する こ と ほ で き ない。 一方、 The amount of the component (B) is about 0.05 to 5% by weight, preferably 0.01 to 3% by weight. Q. If the amount is less than 0.05% by weight, the friction characteristics cannot be improved to + minutes. on the other hand,
5 重量% を超えて加え る と 、 酸化安定性が悪化す る ので 好ま し く ない。 It is not preferable to add more than 5% by weight because the oxidation stability is deteriorated.
本発明 の 潤滑油 組成物 は 、 基本的 に は 基油 に 上記 ( A ) , ( B ) 成分を配合す る こ と に よ り 得ら れる が、 摩擦特性を改良し、 同時に潤滑油 と し て の物性を向上さ せ る ため に酸ア ミ ド ま た はそ の ホ ウ素誘導体を添加す る こ と がで き る。 酸ア ミ ド と し て は炭素数 1 2〜 3 0の カ ルボ ン酸 と ア ミ ン化合物 と の反応に よ り 得ら れ る も ので、 具 体的に ほイ ソ ステ ア リ ン酸ま た はォ レ イ ン酸 と 、 ジェチ レ ン ト リ ア ミ ン , ト リ エチ レ ン テ ト ラ ァ ミ ン , テ ト ラ エ チ レ ン べ ン タ ァ ミ ン , へキ サ エチ レ ン ベ ン タ ァ ミ ン と の 反応生成物等を挙げる こ と がで き る 。 ま た酸ア ミ ド の ホ
ゥ素誘導体 と し て は酸 ア ミ ド と ホ ウ 素化合物 ( ホ ウ 酸 , ホ ウ 酸塩 , ホ ウ 酸 エ ス テ ル ) と の 反応生成物 も 含 ま れ る 。 具体的 に ほ 、 上記酸 ア ミ ド 、 例 え ばイ ソ ス テ ア リ ン 酸 と テ ト ラ エ チ レ ン ペ ン タ ァ ミ ン と の反応生成物 に 、 さ ら に ホ ウ 酸 を 反応 さ せ て 得 た も の を 挙 げ る こ と が で き る 。 添加量 は 0 .01〜 10重量 % 、 好 ま し く は 0 . 05〜 3 重 量% で あ る 。 0.01重量%未満の添加量で は 、 充分 な摩擦 特性向上効果 及 び清浄分散効果 が得 ら れ ず 、 一方 10重 量% を超 え て 添加す る と 、 静摩擦係数が低下 し伝達 ト ル ク が小 さ く な る た め好 ま し く な い。 The lubricating oil composition of the present invention is basically obtained by blending the above components (A) and (B) with a base oil. An acid amide or a boron derivative thereof can be added to improve the physical properties of all. The acid amide is obtained by the reaction of a carboxylic acid having 12 to 30 carbon atoms with an amine compound, and thus, specifically, isostearic acid. Or oleic acid, and tetraethylamine, triethylenetetramine, tetraethylenepentamine, hexaethylene Examples of the reaction product with benzylamine are listed. In addition, acid amide The boron derivative also includes a reaction product of an acid amide with a boron compound (boric acid, borate, borate ester). More specifically, boric acid is further added to the above-mentioned acid amide, for example, the reaction product of isostearic acid and tetraethylenpentamicin. You can list what you got from the reaction. The amount added is from 0.01 to 10% by weight, preferably from 0.05 to 3% by weight. If the amount is less than 0.01% by weight, a sufficient effect of improving the frictional properties and the effect of cleaning and dispersing cannot be obtained. On the other hand, if the amount exceeds 10% by weight, the static friction coefficient decreases and the transmission torque decreases. Is not desirable because it becomes smaller.
さ ら に 本発明の潤滑油組成物 に は、 酸化防止剤 , 清诤 分散剤 , 粘度指数向上剤 な ど を適宜添加す る こ と が で き る 。 酸化防止剤 と し て は フ ノ ール系化合物 , ア ミ ン 系 化合物 , ジ チ ォ リ ン 酸亜鉛 な ど一般的 に 使用 さ れ て い る も の で あ れ ば良い。 具体的 に は 2 , 6 — ジ ー t ー ブ チ ル ー 4 一 メ チ ル — フ エ ノ ール ; 2 , 6 — ジ 一 t 一 プ チ ル ー 4 一 ェ チ ル フ エ ノ ー ル ;4 , 4' ー メ チ レ ン ビス ( 2 , 6 — ジ ー t ー ブ チ ル ー フ エ ノ ール ) ; フ エ 二ル ー α — ナ フ チ ル ア ミ ン ; ジ ア ル キ ル ジ フ エ 二ル ァ ミ ン ; ジ ー 2 — ェ チ ルへ キ シ ル ジ チ オ リ ン 酸亜鉛 ; ジ ァ ミ ル ジ チ ォ 力 — ノ ミ ン 酸 亜鉛 ; 五硫化 ビ ネ ン な ど が挙 げ ら れ る 。 添加量 は 0.01〜 3 重量 % 、 好 ま し く は 0. 05〜 2 重量 % で あ る 。 Q . Q 1重 量%未満で は 、 効果が な く 、 3 重量% を超 え て も 効果の
著 しい向上は認め ら れない。 Further, to the lubricating oil composition of the present invention, an antioxidant, a fining dispersant, a viscosity index improver, and the like can be appropriately added. As the antioxidant, generally used compounds such as phenol compounds, amine compounds, and zinc dithiophosphate may be used. Specifically, 2, 6-di-butyl-41-methyl-phenol; 2,6-di-butyl-41-ethylphenol 4,4'-Methyl Levis (2,6-G-butyl-phenol); F-N-α-naphthylamine; Rudiphenylamine; di-2—ethylhexyldithiophosphate; dimethyldithiol force—zinc nomate; pentasulfide Which are listed. The amount added is 0.01 to 3% by weight, preferably 0.05 to 2% by weight. If the content is less than 1% by weight, there will be no effect. No significant improvement is observed.
次 に、 清浄分散剤 と し て は無灰系清浄剤, 金属系清浄 剤な ど も使用す る こ と がで き る 。 具体的 に は アルケニル コ ノ \ク酸イ ミ ド , スルホ ネー ト , フ ィ ネー ト な どが好ま し く 、 例え ばポ リ ブテニル コ 八 ク 酸イ ミ ド , カ ル シ ウ ム ス ル ホ ネ ー ト , ノ リ ウ ム ス ル ホ ネ ー 卜 , カ ル シ ウ ム フ ィ ネ ー ト , ノ リ ウ ム フ ィ ネ ー ト , カ ル シ ウ ム サ リ チ レ ー ト な どが挙げ ら れる 。 添加量は 0 . 1〜 1 0重量%、 好ま し く は 0 . 5〜 5 重量%で あ る。 0 . 1重量%未満で は分散性が 不充分で あ り 、 1 0重量%を超え る と 摩擦特性が低下 し好 ま し く ない。 Next, ashless detergents and metal detergents can be used as detergent dispersants. Specifically, alkenyl quinoimide imide, sulfonate, and finate are preferred, for example, polybutenyl octamate imidium, calcium sulfo imide, and the like. Net, Norium Surnet, Calumium Finite, Norimu Finete, Calum Salicitate, etc. It is mentioned. The addition amount is 0.1 to 10% by weight, preferably 0.5 to 5% by weight. If it is less than 0.1% by weight, the dispersibility is insufficient, and if it exceeds 10% by weight, the frictional characteristics are undesirably deteriorated.
粘度指数向上剤 と し て は特に制限は ないが、 ポ リ メ タ アタ リ レー ト , 才 レ フ ィ ン共重合体な ど を用い る こ と が で き る 。 特に剪断安定性に優れ、 粘度変化を長期間防止 し得る分子量 1 0万以下、 好ま し く は 5 万以下の ポ リ メ タ ァ ク リ レー ト が好適であ る 。 添加量は 0 . 5〜 1 5重量%、 好ま し く は 2 〜 1 0重量%で あ る 。 Q . 5重量%未満で は粘 度一温度特性の向上が認め ら れず、 1 5重量%を超え る と 低粘度の基油を用い る ため耐摩耗性等の低下を生じ て好 ま し く なレ、 0 There is no particular limitation on the viscosity index improver, but it is possible to use a polymer atalylate, an aged refin copolymer, or the like. In particular, a polymethacrylate having a molecular weight of 100,000 or less, preferably 50,000 or less, which has excellent shear stability and can prevent a change in viscosity for a long period of time, is suitable. The amount added is 0.5 to 15% by weight, preferably 2 to 10% by weight. Q. If the amount is less than 5% by weight, no improvement in viscosity-temperature characteristics is observed. If the amount is more than 15% by weight, a low-viscosity base oil is used, resulting in a decrease in wear resistance and the like. Nare, 0
そ の他、 本発日月の潤滑油組成物に は必要に よ り 腐食防 止剤, ゴ ム 膨潤剤 , 消泡剤な ど を添加す る こ と が で き る 。
次 に 、 実施例 に よ り 本発明を さ ら に詳 し く 説明す る 。 実施例 1 〜 2 お よ び比較例 1 〜 2 In addition, a corrosion inhibitor, a rubber swelling agent, an antifoaming agent, and the like can be added to the lubricating oil composition of the present invention as required. Next, the present invention will be described in more detail by way of examples. Examples 1-2 and Comparative Examples 1-2
基 油 と し て 1 Q 0 t に お け る 動 粘度 が 5 c S t 、 硫黄 分 200 p p mの 鉱油 I に ポ リ メ タ ァ ク リ レ ー ト ( 分子量 42 , 000 ) 4.0 重量% , ボ リ ブ テ ニ ル コ ハ ク 酸 イ ミ ド ( ボ リ ブ テ ュ ル基分子量 1 Q Q 0 ) 4.0 重量% お よ び酸 ア ミ ド 0.5 重量% を加え た基油 に 、 第 1 表 に示す所定量の化合 物を加え、 潤滑油組成物を得た。 Mineral oil I having a kinematic viscosity of 5 cSt and a sulfur content of 200 ppm in 1 Q0 t as a base oil and a polymethacrylate (molecular weight 42,000) 4.0% by weight Table 1 shows the base oil to which 4.0% by weight of libbutenyl succinic acid imid (boribitol base molecular weight 1 QQ 0) and 0.5% by weight of acid amide were added. A predetermined amount of the compound was added to obtain a lubricating oil composition.
得 ら れ た潤滑油組成物 に つい て、 次の方法 に よ り 試験 を行な っ た。 The obtained lubricating oil composition was tested by the following method.
SAE No .2摩擦試験 SAE No.2 friction test
グ リ ーニ ン グ社 (米国) 製、 SAE No .2試験機を用 い下 記の実験条件で摩擦特性を評価 し た。 The friction characteristics were evaluated under the following experimental conditions using a SAE No. 2 tester manufactured by Greening (USA).
[実験条件 ] [Experiment conditions]
デ ィ ス ク : 国産自動変速機用ペーパー系デ ィ ス ク Disk: Paper disk for domestic automatic transmission
( 2 枚) ( 2 sheets)
プ レ ー ト : 国産自動変速機用鋼製プ レ ー ト ( 4'枚) モータ ー回転数 : 3000 r m Plate: Steel plate for domestic automatic transmission (4 'pieces) Motor rotation speed: 3000 rpm
ビ ス ト ン 押付圧 : 3 kg/cm2 Biston pressing pressure: 3 kg / cm 2
油 温 : 50で , 8o , loo , 120 で Oil temperature: 50, 8o, loo, 120
以上の実験条件 に お け る 回転数 1200rpm の と き の動摩 擦係数を 1 2。0、 停止す る と き の静止摩擦係数を μ 。 と し て測定 し、 。 / μ 2。。を計出 し た。
こ の β 。/ μ i 2。。値の経時変化お よび温度変化を それぞ れ測定し て、 摩擦特性を評価 した。 The dynamic friction coefficient at a rotational speed of 1200 rpm under the above experimental conditions was 12 . 0 , μ is the static friction coefficient when stopping. Measured as. / Μ 2. . Was calculated. This β. / μ i 2 . . The frictional characteristics were evaluated by measuring the time-dependent changes and temperature changes of the values.
す な わ ち 、 油 温 100 t で 2000サ イ ク ル ま で の 。/ μ 丄 2。。の経時変化を測定し た。 こ の 2000サ イ ク ル ま で の 各時 ( 100 , 200 , 300 , 400 , 500 , 1000 , 1500 , 2000 サ ィ ク ル ) に お け る 。/ 1 2。。の経時変化 を第 1 図 に 示 す。 ま た 、 200 サ イ ク ル お よ び 2000サ イ ク ル に お け る ο/ ί t 20。値を耐久試験の結果 と し て第 1 表に示す。 次に、 油温 100 で 200 サイ ク ル ま で な ら し運転後、 油温を 50 , 80, 100 , 120 t に段階的 に変え た と き の各温 度 に お け る ^ 。 / ^ 2。。を測定 し た 。 結果を第 2 図 に 示 す。 ま た 、 50で お よ び 120で に お け る μ 。 / μ i 2。。値を 温度依存性試験の結果 と し て第 1 表に示す。 That is, up to 2000 cycles at an oil temperature of 100 t. / μ 丄2 . . The change with time was measured. Each time up to 2000 cycles (100, 200, 300, 400, 500, 1000, 1500, 2000 cycles). / 1 2 . . Fig. 1 shows the time-dependent changes of. Ο / ί t 20 for 200 and 2000 cycles. The values are shown in Table 1 as endurance test results. Next, after running for 200 cycles at an oil temperature of 100, the oil temperature was gradually changed to 50, 80, 100, and 120 t at each temperature ^. / ^ 2 . . Was measured. Figure 2 shows the results. Also, μ at 50 and 120. / μ i 2 . . The values are shown in Table 1 as the results of the temperature dependence test.
比較例 3 Comparative Example 3
市販品について実施例 1 と 同様に し て摩擦特性を評価 し た。 結果を第 1 表, 第 1 図お よ び第 2 図 に示す。 The friction characteristics of a commercially available product were evaluated in the same manner as in Example 1. The results are shown in Table 1, Figure 1 and Figure 2.
実施例 3 〜 4 お よび比较例 4 Examples 3 to 4 and Comparative Example 4
基油 と し て次の性状を有す る鉱油 II を用い た こ と 以外 は、 実施例 1 〜 2 お よ び比較例 1 〜 2 と 同様に し て第 1 表に示す潤滑油組成物を得、 試験を行な っ た。 2000サイ ク ルま での各時に お け る μ 。/ μ 12。。の経時変化を第 3 図 に示す。 ま た、 耐久試験お よび温度依存性試験の結果を 第 1 表に示す。
鉱油 II の性状 The lubricating oil compositions shown in Table 1 were prepared in the same manner as in Examples 1-2 and Comparative Examples 1-2, except that mineral oil II having the following properties was used as the base oil. And tested. Μ at each time up to 2000 cycles. / Μ 12. . Fig. 3 shows the time-dependent changes of. Table 1 shows the results of the durability test and the temperature dependency test. Properties of Mineral Oil II
動粘度 ( 100で ) 5 .0 c S Kinematic viscosity (at 100) 5.0 cS
硫黄分 ( P P m ) Sulfur content (PPm)
流動点 45 Pour point 45
% CA 0.1 > % C A 0.1>
実施例 5 〜 10お よ び比較例 5 Examples 5 to 10 and Comparative Example 5
第 1 表 に示す潤滑油組成物 に つい て、 実施例 1 〜 2 お よ び比較例 1 〜 2 と 同様 に し て試験を行な っ た。 耐久試 験お よ び温度依存性試験の結果を第 1 表 に示す。 な お、 基油中 に は、 実施例 1 〜 2 お よ び比較例 1 〜 2 (他の実 施例や比較例も 同様) と 同様 に 、 ポ リ メ タ ァ ク リ レ ー ト (分子量 42 , 00 Q ) 4.0 重量% , ボ リ ブ テ ニ ル コ ハ ク 酸ィ ミ ド ( ポ リ ブテ ュ ル基分子量 1 , 000 ) 4.0 重量% お よ び 酸 ア ミ ド 0.5 重量% を添力 Π し た。
The lubricating oil compositions shown in Table 1 were tested in the same manner as in Examples 1 and 2 and Comparative Examples 1 and 2. Table 1 shows the results of the durability test and temperature dependence test. In addition, in the base oil, as in Examples 1 and 2 and Comparative Examples 1 and 2 (the same applies to other Examples and Comparative Examples), the polymer acrylate (molecular weight) was used. 42,00 Q) 4.0% by weight, 4.0% by weight of polybutenyl succinate imid (polybutyl group molecular weight: 1,000) and 0.5% by weight of acid amide Power.
第 1 表 Table 1
A 成 分 B 成 分 A component B component
基 油 耐久試験 温度依存性試験 Base oil durability test Temperature dependence test
(重量%) (重量%) (% By weight) (% by weight)
* 1 « 3 *4 5 6 Viviv * 1 «3 * 4 5 6 Viviv
種 類 A , A2 A3 B2 200 2000 50 "C 120 *CType A, A 2 A 3 B 2 200 2000 50 "C 120 * C
L jiil 1 L jiil 1
tti i夕 II 1 鉱 油 I 99.0 1.0 1.09 1.10 1.18 1.09 tti i evening II 1 Mineral oil I 99.0 1.0 1.09 1.10 1.18 1.09
実 i 夕 IJ l " I 98.5 1.0 0.5 1.05 1.06 1.02 1,05 Actual i evening IJ l "I 98.5 1.0 0.5 1.05 1.06 1.02 1,05
ノノ I " I 98.5 1.0 0.5 1.08 1.09 1.03 1.08 Nono I "I 98.5 1.0 0.5 1.08 1.09 1.03 1.08
比¾¾例 2 // I 99.5 0.5 1.26 1.21 1.20 1.27 Example 2 // I 99.5 0.5 1.26 1.21 1.20 1.27
o 巿 販 品 1.14 1.16 1.25 1.14 o 巿 Sales 1.14 1.16 1.25 1.14
4 " II 99.0 1.0 1.06 1.07 1.16 1.06 03 fll タ!! " II 98.5 1.0 0.5 1.03 1.04 1.02 1.04 4 "II 99.0 1.0 1.06 1.07 1.16 1.06 03 fll!" II 98.5 1.0 0.5 1.03 1.04 1.02 1.04
" 4 " II 98.5 1.0 0.5 1.01 1.01 1.02 1.02 "4" II 98.5 1.0 0.5 1.01 1.01 1.02 1.02
/ 5 " I 98.5 1.0 0.5 1.04 1.05 1.03 1.05 / 5 "I 98.5 1.0 0.5 1.04 1.05 1.03 1.05
/ D " II 98.5 1.0 0.5 1.02 1.03 1.02 1.03 / D "II 98.5 1.0 0.5 1.02 1.03 1.02 1.03
〃 7 合成油 m 98.5 1.0 0.5 1.09 1.10 1.05 1.09 〃 7 Synthetic oil m 98.5 1.0 0.5 1.09 1.10 1.05 1.09
" 8 " III 98.5 1.0 0.5 1.09 1.10 1.04 1.08 "8" III 98.5 1.0 0.5 1.09 1.10 1.04 1.08
" 9 " IV 98.5 1.0 0.5 0.99 1.00 0.98 1.00 "9" IV 98.5 1.0 0.5 0.99 1.00 0.98 1.00
比較例 5 鉱 油 I 99.0 1.0 1.08 1.09 1.19 1.09 Comparative Example 5 Mineral oil I 99.0 1.0 1.08 1.09 1.19 1.09
実施例 10 " I 98.5 1.0 0.5 1.05 1.05 1.03 1.06
Example 10 "I 98.5 1.0 0.5 1.05 1.05 1.03 1.06
* 1 * 1
鉱 油 I : 1 ()0 で に お け る動粘度 5 cSt ,硫黄分 2 Q Dppm , Mineral oil I: Kinematic viscosity at 1 () 0 5 cSt, sulfur content 2 Q Dppm,
流動点一 17.5 t , % C A 6 Pour point-17.5 t,% C A 6
鉱 油 II : 100 t に お け る動粘度 5.0 c S t, 硫黄分 ( p P m ) Mineral oil II: kinematic viscosity at 100 t 5.0 cSt, sulfur content (pPm)
1 > , 流動点一 45 t , % CA 0.1 > 合成油 III : ex — 才 レ フ イ ン オ リ ゴマ ー ( 100 °c に お け る 動粘度 4 c S t ) 1>, pour point 45 t,% C A 0.1> Synthetic oil III: ex — Refined oligomer (Kinematic viscosity at 100 ° C 4 c St)
合成油 IV : 2 — メ チ ル ー 2 , 4 — ジ シ ク ロ へ キ シ ルベ ン タ ン ( 100 °C に お け る動粘度 3.7 c S t ) Synthetic oil IV: 2 — Methyl 2,4 — Dicyclohexylbentan (Kinematic viscosity at 100 ° C 3.7 cSt)
* 2 A i : ォ ク タ デ セ ニル コ ハ ク 酸モ ノ ラ ウ リ ルエス テ ル *3 A 2 : ォ ク タ デ セ ニル コ ノ、 ク 酸ォ ク チ ル メ ル カ ブ タ ン ブ ロ ビ レ ン ォ キ サ イ ド エ ス テ ル * 2 A i: O-click data-decenyl saw blade click Sanmo Bruno La cormorant Li Ruesu Te le * 3 A 2: O-click data dodecenyl co-Roh, click Sano Cu Chi le menu Le mosquito porcine down Breakfast Robilenoxide Estel
*4 A3 : ォ ク タ デセ ニル コ ノ、 ク 酸 5 — ヒ ド ロ キ シ 一 3 — * 4 A 3 : Octadecenyl cono, citrate 5 — hydroxy 1 3 —
チ ア ペ ン チ ルエス テ ル Ticket Pentel
* 5 : 才 レ イ ン酸モ ノ グ リ セ ラ イ ド * 5: Mono-glyceride monophosphate
* 6 B2 : ソ ル ビ タ ン モ ノ ォ レ エー ト * 6 B 2: Soviet Le bi data down mono O-les-er door
第 1 表お よ び第 1 図〜第 3 図よ り 、 太発明の潤滑油組 成物は摩擦特性 に す ぐれ た も の で あ る こ と が判 る 。 特 に 温度依存性試験の結果よ り 、 摩擦特性の油温 に よ る 変化 が き わ め て 少 な レ、 こ と が判 る 。 From Table 1 and Figs. 1 to 3, it can be seen that the lubricating oil composition of the invention has excellent friction characteristics. In particular, the results of the temperature dependence test show that the change in the frictional characteristics due to the oil temperature is very small.
産業上の利用可能性 Industrial applicability
し た が っ て 、 本発明の潤滑油組成物 は 自動変速機用潤 滑油 , ト ラ ク タ 等湿式ク ラ ッ チ ま た は湿式 ブ レ ー キ を有
す る部分の潤滑油 な ど と して極め て有効で あ る 。 Therefore, the lubricating oil composition of the present invention has a lubricating oil for an automatic transmission, a wet clutch such as a tractor, or a wet brake. It is extremely effective as a lubricating oil for all parts.
ま た、 こ の よ う な特性を兼ね備え た組成物は、 シ ョ ッ ク ァ ブ ソ ー ノ 一, パ ワ ー ス テ ア リ ン グ , 油圧サ ス ベ ン シ ョ ン等の潤滑油お よ び こ れ ら の複数の 目 的の兼用油 と し て も有効であ る 。
In addition, the composition having such properties is used for lubricating oils such as shock absorbers, power steering, hydraulic suspensions, and the like. It is also effective as a dual-purpose oil for multiple purposes.
Claims
1 . 基油 に ( A ) ア ル ケ ニル コ ハ ク 酸エ ス テ ル お よ び / ま た ほ ア ル キ ル コ ハ ク 酸エス テ ル 0 . 05〜 5 重量% お よ び 1. Base oil (A) Alkenyl succinate ester and / or Alkyl succinate ester 0.05 to 5% by weight and
( B ) 多価 ア ル コ ー ル の脂肪酸エ ス テ ル 0 . 005〜 5 重 量% を含有さ せ る こ と を特徴 と す る潤滑油組成物。 (B) A lubricating oil composition characterized in that it contains 0.0005 to 5% by weight of a fatty acid ester of a polyhydric alcohol.
2 . 基油が、 硫黄分 Q . 5重量%以下の も の で あ る請求の 範囲第 1 項記載の潤滑油組成物。
2. The lubricating oil composition according to claim 1, wherein the base oil has a sulfur content of 0.5% by weight or less.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE8888902226T DE3876897T2 (en) | 1987-03-02 | 1988-02-29 | LUBRICATING OIL COMPOSITION. |
JP63502061A JPH0696713B1 (en) | 1987-03-02 | 1988-02-29 | |
KR1019880011351A KR900005103B1 (en) | 1987-03-02 | 1988-09-01 | Lubricant oil composition |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62/47396 | 1987-03-02 | ||
JP4739687 | 1987-03-02 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1988006616A1 true WO1988006616A1 (en) | 1988-09-07 |
Family
ID=12773953
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP1988/000221 WO1988006616A1 (en) | 1987-03-02 | 1988-02-29 | Lubricating oil composition |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0305538B1 (en) |
JP (1) | JPH0696713B1 (en) |
KR (1) | KR900005103B1 (en) |
DE (1) | DE3876897T2 (en) |
WO (1) | WO1988006616A1 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2777750B2 (en) * | 1990-07-31 | 1998-07-23 | エクソン・ケミカル・パテンツ・インク | Synergistic blend of amine / amide and ester / alcohol friction modifiers for improving fuel economy of internal combustion engines |
JP2000219888A (en) * | 1999-02-02 | 2000-08-08 | Idemitsu Kosan Co Ltd | Lubricant oil composition |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0373454A1 (en) * | 1988-12-08 | 1990-06-20 | Idemitsu Kosan Company Limited | Lubricating oil composition for power control |
JP2602102B2 (en) * | 1989-09-20 | 1997-04-23 | 日本石油株式会社 | Lubricating oil composition for internal combustion engines |
DE69119823T2 (en) * | 1990-04-23 | 1996-10-02 | Ethyl Petroleum Additives Inc | Automatic transmission fluids and additives therefor |
EP0466297B1 (en) * | 1990-07-09 | 1994-06-01 | Ethyl Additives Corporation | Use of a particular ester |
US5282990A (en) * | 1990-07-31 | 1994-02-01 | Exxon Chemical Patents Inc. | Synergistic blend of amine/amide and ester/alcohol friction modifying agents for improved fuel economy of an internal combustion engine |
DE69432153T2 (en) * | 1993-12-20 | 2003-11-27 | Infineum Usa L.P., Linden | INCREASING THE FRICTION RESISTANCE OF POWER TRANSFER LIQUIDS BY USING OIL-SOLUBLE COMPETITIVE ADDITIVES |
US5750476A (en) * | 1995-10-18 | 1998-05-12 | Exxon Chemical Patents Inc. | Power transmitting fluids with improved anti-shudder durability |
DE69625821T2 (en) * | 1995-10-18 | 2003-09-04 | Infineum Usa L.P., Linden | AUTOMATIC TRANSMISSION WITH GEARBOX LIQUID WITH IMPROVED FRICTION DURABILITY |
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JPS4749284B1 (en) * | 1963-04-23 | 1972-12-11 | ||
JPS601095B2 (en) * | 1977-08-10 | 1985-01-11 | 日石三菱株式会社 | Mold release agent for foundry sand mold manufacturing |
JPS6119698A (en) * | 1984-07-05 | 1986-01-28 | Nippon Steel Chem Co Ltd | Traction oil composition |
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JPS52114602A (en) * | 1976-03-23 | 1977-09-26 | Idemitsu Kosan Co Ltd | Lubricant composition |
US4209411A (en) * | 1979-03-23 | 1980-06-24 | Exxon Research & Engineering Co. | Methylol polyesters of C12 -C22 hydrocarbon substituted succinic anhydride or acid, their preparation and use as additives for lubricants and fuels |
US4255589A (en) * | 1979-06-29 | 1981-03-10 | Exxon Research & Engineering Co. | Process for the production of oil-soluble polyol esters of dicarboxylic acid materials in the presence of a metal salt of a hydroxy aromatic compound |
JPS5776097A (en) * | 1980-10-31 | 1982-05-12 | Nippon Petrochem Co Ltd | Lubricating oil composition for high-pressure gas compressor |
GB2097813B (en) * | 1981-05-06 | 1985-09-25 | Exxon Research Engineering Co | Glycerol esters in lubricating oils as fuel economy additives |
JPS5827346A (en) * | 1981-08-10 | 1983-02-18 | Nippon Telegr & Teleph Corp <Ntt> | Manufacture of semiconductor integrated circuit |
JPS58222193A (en) * | 1982-06-18 | 1983-12-23 | Nippon Oil Co Ltd | Rust-proof additive composition and lubricating oil composition containing same |
JPH0246635B2 (en) * | 1984-02-20 | 1990-10-16 | Idemitsu Kosan Co | SHITSUSHIKIKURATSUCHOMATAHASHITSUSHIKIBUREEKYOJUNKATSUYUSOSEIBUTSU |
JPS6210194A (en) * | 1985-07-08 | 1987-01-19 | Nippon Oil Co Ltd | Fluid composition for traction drive |
-
1988
- 1988-02-29 EP EP88902226A patent/EP0305538B1/en not_active Expired - Lifetime
- 1988-02-29 DE DE8888902226T patent/DE3876897T2/en not_active Expired - Lifetime
- 1988-02-29 WO PCT/JP1988/000221 patent/WO1988006616A1/en active IP Right Grant
- 1988-02-29 JP JP63502061A patent/JPH0696713B1/ja not_active Withdrawn
- 1988-09-01 KR KR1019880011351A patent/KR900005103B1/en not_active IP Right Cessation
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JPS4749284B1 (en) * | 1963-04-23 | 1972-12-11 | ||
JPS601095B2 (en) * | 1977-08-10 | 1985-01-11 | 日石三菱株式会社 | Mold release agent for foundry sand mold manufacturing |
JPS6119698A (en) * | 1984-07-05 | 1986-01-28 | Nippon Steel Chem Co Ltd | Traction oil composition |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2777750B2 (en) * | 1990-07-31 | 1998-07-23 | エクソン・ケミカル・パテンツ・インク | Synergistic blend of amine / amide and ester / alcohol friction modifiers for improving fuel economy of internal combustion engines |
JP2000219888A (en) * | 1999-02-02 | 2000-08-08 | Idemitsu Kosan Co Ltd | Lubricant oil composition |
Also Published As
Publication number | Publication date |
---|---|
KR900005103B1 (en) | 1990-07-19 |
KR890013164A (en) | 1989-09-21 |
JPH0696713B1 (en) | 1994-11-30 |
EP0305538A1 (en) | 1989-03-08 |
EP0305538B1 (en) | 1992-12-23 |
DE3876897T2 (en) | 1993-06-03 |
EP0305538A4 (en) | 1989-08-16 |
DE3876897D1 (en) | 1993-02-04 |
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