WO2004058928A1 - 潤滑油基油及び潤滑油組成物 - Google Patents
潤滑油基油及び潤滑油組成物 Download PDFInfo
- Publication number
- WO2004058928A1 WO2004058928A1 PCT/JP2003/016597 JP0316597W WO2004058928A1 WO 2004058928 A1 WO2004058928 A1 WO 2004058928A1 JP 0316597 W JP0316597 W JP 0316597W WO 2004058928 A1 WO2004058928 A1 WO 2004058928A1
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- WIPO (PCT)
- Prior art keywords
- base oil
- lubricating base
- group
- lubricating
- oil according
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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
- C10M171/00—Lubricating compositions characterised by purely physical criteria, e.g. containing as base-material, thickener or additive, ingredients which are characterised exclusively by their numerically specified physical properties, i.e. containing ingredients which are physically well-defined but for which the chemical nature is either unspecified or only very vaguely indicated
- C10M171/02—Specified values of viscosity or viscosity index
-
- 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
- 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
- C10M105/18—Ethers, e.g. epoxides
-
- 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
- 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
- C10M105/34—Esters of monocarboxylic acids
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M171/00—Lubricating compositions characterised by purely physical criteria, e.g. containing as base-material, thickener or additive, ingredients which are characterised exclusively by their numerically specified physical properties, i.e. containing ingredients which are physically well-defined but for which the chemical nature is either unspecified or only very vaguely indicated
-
- 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
- C10M2205/00—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions
- C10M2205/02—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions containing acyclic monomers
- C10M2205/028—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions containing acyclic monomers containing aliphatic monomers having more than four carbon atoms
- C10M2205/0285—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions containing acyclic monomers containing aliphatic monomers having more than four carbon atoms used as base material
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/04—Ethers; Acetals; Ortho-esters; Ortho-carbonates
- C10M2207/0406—Ethers; Acetals; Ortho-esters; Ortho-carbonates used as base material
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/10—Carboxylix acids; Neutral salts thereof
- C10M2207/12—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms
- C10M2207/121—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of seven or less carbon atoms
- C10M2207/1213—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of seven or less carbon atoms used as base material
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2020/00—Specified physical or chemical properties or characteristics, i.e. function, of component of lubricating compositions
- C10N2020/01—Physico-chemical properties
- C10N2020/02—Viscosity; Viscosity index
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2020/00—Specified physical or chemical properties or characteristics, i.e. function, of component of lubricating compositions
- C10N2020/01—Physico-chemical properties
- C10N2020/065—Saturated Compounds
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2020/00—Specified physical or chemical properties or characteristics, i.e. function, of component of lubricating compositions
- C10N2020/01—Physico-chemical properties
- C10N2020/071—Branched chain compounds
-
- 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
- C10N2030/02—Pour-point; Viscosity index
-
- 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
- C10N2030/36—Seal compatibility, e.g. with rubber
-
- 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
- C10N2030/74—Noack Volatility
-
- 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
- C10N2040/25—Internal-combustion engines
Definitions
- Lubricating base oil and lubricating oil composition
- the present invention relates to a lubricating base oil and a lubricating oil composition, and more particularly to a lubricating base oil and a lubricating oil composition having a low viscosity, a small amount of evaporation, and excellent compatibility with organic materials. It is. Light
- Ester-based lubricating oil compositions with low viscosity and low evaporation are known, but have high polarity and have a problem of adverse effects (swelling) on organic materials. For example, when used in engine oil, there is a problem of swelling the rubber used in seal materials, etc.In addition, when used in fluid bearing oil, oil-containing bearing oil, etc., adverse effects on plastic materials There was a problem that there is. Another problem is the poor solubility of additives.
- Silicone oil is also a lubricating base oil having a low viscosity and a small amount of evaporation, but has the problem of poor lubrication and high cost.
- Poly- ⁇ -olefin is also known as a low-viscosity, low-evaporating base oil, but has a viscosity grade of 4 mm 2 / s (100 ° C). Those having a viscosity of 2 mm 2 / s (100 ° C.) were not sufficient in terms of low viscosity, and those having a viscosity grade of 2 mm 2 / s (100 ° C.) were not sufficient in terms of low volatility.
- JP-A-10-324883 discloses a lubricating base oil containing a compound having an ether bond and having a viscosity index and a pour point limited to specific ranges. In order to satisfy fuel efficiency, a lubricating base oil having a lower viscosity and a smaller amount of evaporation has been required. Disclosure of the invention
- the present invention has been made to solve the above problems, and provides a lubricating base oil and a lubricating oil composition having a low viscosity, a small amount of evaporation, and excellent compatibility with organic materials. With the goal.
- the present inventors have conducted intensive studies to achieve the above object, and as a result, solved the above-mentioned problems by limiting the kinematic viscosity, the evaporation loss and / or the flash point, and the aniline point to specific ranges. It has been found that the present invention has been completed.
- the present invention relates to a lubricating base oil excluding silicone oil, which has a kinematic viscosity at 40 ° C. of 12 mm 2 / s or less and a Noack test (250 ° (: 1 hour) )), And / or a lubricating base oil having a flash point of 200 ° C. or more and an aniline point of 60 ° C. or more.
- the present invention provides an antioxidant, a viscosity index improver, a detergent / dispersant, a friction reducer, a metal deactivator, a pour point depressant, an antiwear agent, an antifoaming agent, It is intended to provide a lubricating oil composition comprising at least one additive selected from pressure agents.
- FIG. 1 is a diagram showing a 1 H-NMR spectrum of the compound produced in Production Example 1.
- FIG. 2 is a diagram showing a 13 C-NMR spectrum of the compound produced in Production Example 1. BEST MODE FOR CARRYING OUT THE INVENTION
- the lubricating base oil of the present invention must satisfy at least the following conditions (1) to (3).
- the lubricating base oil of the present invention must have: (1) a kinematic viscosity at 40 ° C. of 12 mm 2 / s or less, more preferably 11 mm 2 / s or less; It is particularly preferred that it is not more than mm 2 / s.
- a kinematic viscosity at 40 ° C. 12 mm 2 / s or less, more preferably 11 mm 2 / s or less; It is particularly preferred that it is not more than mm 2 / s.
- the kinematic viscosity exceeds 12 mm 2 / s, the viscosity of the lubricating base oil increases, and a sufficient fuel saving effect cannot be obtained.
- the lubricating base oil of the present invention has the following characteristics: (2) a loss of evaporation of not more than 30% by mass by a N 0 ack test (250 ° (: 1 hour); particularly with regard becomes I 0 0 ° is referred to as essential that at C or more.
- N 0 ack test further the evaporation loss is preferable to be 2 5 mass 0/0 or less, if it is 1 5 wt% or less If the evaporation loss exceeds 30% by mass, the amount of base oil that evaporates and decreases during use increases, shortening the service life, and the flash point is further reduced to 210 ° C. When the flash point is less than 200 ° C., the amount of evaporation and decrease during use of the base oil increases, and the life is shortened. .
- the N ack test may not reflect the actual evaporability due to effects such as oxidative decomposition. In some cases, this can be suppressed by adding an antioxidant, but in the present invention, the evaporation of the base oil is specified by combining the Noack test with the flash point.
- the lubricating base oil of the present invention must have (3) an aniline point of at least 60 ° C, more preferably at least 80 ° C, and preferably 90 to 110 ° C. And especially preferred. If the aniline point is lower than 60 ° C, the compatibility with organic materials is poor, such as swelling of organic materials such as plastic and rubber used in the device. When the aniline point exceeds 110 ° C., the organic material may shrink.
- the lubricating base oil of the present invention has a viscosity index measured according to JISK 2283. Is preferably at least 100, more preferably at least 120.
- the lubricating base oil of the present invention preferably has a pour point measured by JISK2265 of not more than 115 ° C, more preferably not more than 125 ° C.
- the lubricating base oil of the present invention satisfying the above conditions preferably contains a compound composed of carbon, hydrogen and oxygen (hereinafter, referred to as “oxygen-containing compound”).
- oxygen-containing compound a compound composed of carbon, hydrogen and oxygen
- those having a ether, ester or carbonate structure are preferred, and particularly preferred are ether compounds.
- ether compounds a compound represented by the following general formula (1) or a mixture thereof is preferable.
- R 1 — ⁇ -1 (R 2 — 0) a- (R 3 — ⁇ ) b- (R 4 — ⁇ ) oR 5 (1)
- R 1 and R 5 are each independently hydrogen, carbon number Represents an alkyl group of 1 to 24, a phenyl group, or an alkylaryl group having 7 to 24 carbon atoms
- R 2 , R 3 and R 4 each independently represent an alkylene group having 2 to 18 carbon atoms.
- (R 2 — ⁇ ), (R 3 — ⁇ ) and (R 4 _ ⁇ ) may be the same or different for each structural unit.
- Examples of the alkylaryl group represented by R 1 and R 5 include alkyl phenyl groups.
- Examples of the alkyl moiety include the above-mentioned specific examples, and particularly preferred are an octyl group, a decyl group, and a dodecyl group.
- the alkylene group represented by R 2 , R 3 and R 4 may be any of linear, branched or cyclic, and includes, for example, ethylene group, propylene group, butylene group, hexylene group, nonylene Groups, a decylene group, a dodecylene group, a cyclopentylene group, a cyclohexylene group and the like, and an ethylene group, a propylene group, a butylene group, a hexylene group, a nonylene group and a decylene group are particularly preferable.
- the lubricating base oil of the present invention can contain various hydrocarbon compounds in addition to the oxygen-containing compounds. Even in this case, it is necessary to satisfy the above conditions (1) to (3).
- the hydrocarbon compound mixed with the oxygen-containing compound is not particularly limited as long as the effect of the lubricating base oil of the present invention is not impaired.
- mineral oil 80 neutral mineral oil, etc.
- poly ⁇ -olefin viscosity grade 4 mm 2 / s or 8 mm 2 / s
- the lubricating base oil of the present invention does not include silicone oil. This is because the silicone oil has poor lubricity and is expensive even if the above conditions are satisfied.
- the lubricating base oil of the present invention is used for engine oils, Various additives can be blended and used as a lubricating oil composition. That is, the lubricating base oil of the present invention can be used as a lubricating oil by itself, but the following additives are blended according to the purpose to form a lubricating oil composition. It is preferred to use
- additives such as known ones can be used as the additive.
- alkylated diphenylamine phenyl-1- ⁇ -naphthylamine and the like
- which amine compounds, phenol compounds such as 2,6-di-t-butylphenol, 4,4'-methylenebis (2,6-di-t-butylphenol); Polymethyl as a viscosity index improver Methacrylate, polybutylene, ethylene-propylene copolymer, styrene-isoprene copolymer, styrene-butylene hydrogenated copolymer
- alkaline earth metal sulfonate alkaline earth metal as detergent and dispersant
- Metal detergents such as phthalates, alkaline earth metal salicylates and alkaline earth metal phosphonates, and ashless dispersants such as alkenyl succinic imids, benzylamines, alkyl polyamines and alkeny
- Examples of uses of the lubricating base oil of the present invention include, for example, those for internal combustion engines, hydraulic oils, automatic transmission oils, manual transmission oils, shock absorber oils, gear oils, fluid bearing oils, rolling bearing oils, and oil bearing oils. , Sliding surface oil, refrigerating machine oil and the like. Next, the present invention will be described in more detail with reference to examples, but the present invention is not limited to these examples.
- the properties of the lubricating base oil alone were measured according to the following methods.
- the measurement was performed according to JIS K 2283.
- the measurement was performed according to JIS K 2269.
- the measurement was performed according to JISK2256.
- the measurement was performed in accordance with JIS K2265.
- reaction mixture was transferred to a separating funnel, the aqueous phase was separated by filtration, and the remaining organic phase was washed five times with 500 milliliters of water. The obtained compound was separated from the organic phase by distillation under reduced pressure.
- Adipic acid di (2-Echiru hexyl) ester (manufactured by Tokyo Kasei Kogyo Co., Ltd.) 50 mass 0/0 and a poly ⁇ - Orefin (trade name: HI TEC made 1 64, ETHYL Corporation) 5 0 mass 0/0
- HI TEC made 1 64, ETHYL Corporation
- the lubricating base oil and the lubricating oil composition of the present invention have low viscosity and thus are excellent in fuel economy, and have a small evaporation amount, have a long life and are compatible with organic materials. It is excellent and is useful as various lubricating oils including engine oils for internal combustion engines and bearing oils.
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP03768185A EP1577371A4 (en) | 2002-12-24 | 2003-12-24 | LUBRICANT BASE OIL AND LUBRICATING OIL COMPOSITION |
US10/540,569 US7534749B2 (en) | 2002-12-24 | 2003-12-24 | Lube base oil and lubricating oil composition |
JP2004562917A JP4769463B2 (ja) | 2002-12-24 | 2003-12-24 | 潤滑油基油及び潤滑油組成物 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2002372397 | 2002-12-24 | ||
JP2002-372397 | 2002-12-24 |
Publications (1)
Publication Number | Publication Date |
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WO2004058928A1 true WO2004058928A1 (ja) | 2004-07-15 |
Family
ID=32677228
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2003/016597 WO2004058928A1 (ja) | 2002-12-24 | 2003-12-24 | 潤滑油基油及び潤滑油組成物 |
Country Status (4)
Country | Link |
---|---|
US (1) | US7534749B2 (ja) |
EP (1) | EP1577371A4 (ja) |
JP (1) | JP4769463B2 (ja) |
WO (1) | WO2004058928A1 (ja) |
Cited By (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2005118755A1 (ja) * | 2004-06-03 | 2005-12-15 | Idemitsu Kosan Co., Ltd. | 潤滑油基油及び潤滑油組成物 |
WO2006025253A1 (ja) * | 2004-08-30 | 2006-03-09 | Idemitsu Kosan Co., Ltd. | 流体軸受用潤滑油組成物 |
JP2007091768A (ja) * | 2005-08-31 | 2007-04-12 | Idemitsu Kosan Co Ltd | 油圧作動油組成物 |
WO2007058186A1 (ja) * | 2005-11-15 | 2007-05-24 | Idemitsu Kosan Co., Ltd. | 潤滑油組成物、軸受油及びそれを用いた軸受 |
JP2007204451A (ja) * | 2006-02-03 | 2007-08-16 | Idemitsu Kosan Co Ltd | ポリエーテル化合物及びそれを含む潤滑油用基油と潤滑油組成物 |
JP2008163166A (ja) * | 2006-12-28 | 2008-07-17 | Nippon Oil Corp | 緩衝器用油圧作動油組成物 |
CN101305084A (zh) * | 2005-11-15 | 2008-11-12 | 出光兴产株式会社 | 冷冻机油组合物 |
JP2009221330A (ja) * | 2008-03-14 | 2009-10-01 | Japan Energy Corp | 潤滑油組成物 |
WO2009150900A1 (ja) * | 2008-06-11 | 2009-12-17 | 出光興産株式会社 | 潤滑油組成物 |
WO2014104174A1 (ja) | 2012-12-27 | 2014-07-03 | 出光興産株式会社 | ジアルキルエーテル、並びにそれを含む潤滑油基油及び潤滑油組成物 |
WO2015098760A1 (ja) * | 2013-12-27 | 2015-07-02 | 出光興産株式会社 | ジアルキルエーテルを含む潤滑油基油 |
JP2015189773A (ja) * | 2014-03-27 | 2015-11-02 | 出光興産株式会社 | 駆動系用潤滑油基油及び駆動系用潤滑油組成物 |
JP2016011384A (ja) * | 2014-06-30 | 2016-01-21 | 出光興産株式会社 | 潤滑油組成物 |
US9920274B2 (en) | 2015-02-09 | 2018-03-20 | Moresco Corporation | Lubricant composition, use thereof and aliphatic ether compound |
CN107980037A (zh) * | 2015-06-18 | 2018-05-01 | 卡斯特罗尔有限公司 | 醚化合物和相关的组合物 |
JP2020502339A (ja) * | 2016-12-16 | 2020-01-23 | カストロール リミテッド | エーテルベースの潤滑剤組成物、製法および使用 |
JP2020502338A (ja) * | 2016-12-16 | 2020-01-23 | カストロール リミテッド | エーテルベースの潤滑剤組成物、方法および使用 |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4525679B2 (ja) * | 2004-12-08 | 2010-08-18 | パナソニック株式会社 | 冷媒圧縮機 |
WO2015060984A1 (en) * | 2013-10-25 | 2015-04-30 | Exxonmobil Research And Engineering Company | Low viscosity, low volatility lubricating oil basestocks |
WO2015060985A1 (en) * | 2013-10-25 | 2015-04-30 | Exxonmobil Research And Engineering Company | Low viscosity, low volatility lubricating oil basestocks |
SG11201802634VA (en) * | 2015-11-13 | 2018-05-30 | Exxonmobil Res And Enginerring Company | Low viscosity low volatility lubricating oil base stocks and processes for preparing same |
SG11201802293PA (en) * | 2015-11-13 | 2018-05-30 | Exxonmobil Res & Eng Co | Low viscosity low volatility lubricating oil base stocks and processes for preparing same |
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JPH02300293A (ja) * | 1989-05-16 | 1990-12-12 | Nippon Kouyu:Kk | 低温流動性、耐プラスチック性を向上したグリース組成物 |
JPH08259974A (ja) * | 1994-12-14 | 1996-10-08 | Idemitsu Kosan Co Ltd | 潤滑油基油及びその製造方法 |
JPH09100480A (ja) * | 1995-10-05 | 1997-04-15 | Idemitsu Kosan Co Ltd | 軽質潤滑油基油及びその製造方法 |
JPH10324883A (ja) * | 1997-05-27 | 1998-12-08 | Idemitsu Kosan Co Ltd | 潤滑油基油 |
JP2000044971A (ja) * | 1998-07-28 | 2000-02-15 | Idemitsu Kosan Co Ltd | 緩衝器用潤滑油組成物 |
EP0992570A2 (en) * | 1998-10-09 | 2000-04-12 | Tonen Corporation | Hydraulic oil composition for shock absorbers |
JP2002146381A (ja) * | 2000-11-17 | 2002-05-22 | Cosmo Sekiyu Lubricants Kk | 軸受用潤滑油 |
JP2004051720A (ja) * | 2002-07-18 | 2004-02-19 | Idemitsu Kosan Co Ltd | 液体潤滑剤、潤滑油組成物及び軸受油 |
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US2605292A (en) * | 1947-05-09 | 1952-07-29 | Celanese Corp | Preparation of butylene glycol ethers |
DE3424702A1 (de) * | 1984-07-05 | 1986-02-06 | Basf Ag, 6700 Ludwigshafen | Waermefluessigkeiten |
DE3635490A1 (de) * | 1986-10-18 | 1988-04-21 | Basf Ag | Verwendung von polycarbonsaeureestern in voll- oder teilsynthetischen schmiermitteln und schmiermittel, die diese ester enthalten |
DE4214653A1 (de) * | 1992-05-02 | 1993-11-04 | Henkel Kgaa | Motorengrundoele mit verbesserter dichtungsvertraeglichkeit |
-
2003
- 2003-12-24 JP JP2004562917A patent/JP4769463B2/ja not_active Expired - Fee Related
- 2003-12-24 EP EP03768185A patent/EP1577371A4/en not_active Withdrawn
- 2003-12-24 US US10/540,569 patent/US7534749B2/en not_active Expired - Fee Related
- 2003-12-24 WO PCT/JP2003/016597 patent/WO2004058928A1/ja active Application Filing
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WO2005118755A1 (ja) * | 2004-06-03 | 2005-12-15 | Idemitsu Kosan Co., Ltd. | 潤滑油基油及び潤滑油組成物 |
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JP2015124341A (ja) * | 2013-12-27 | 2015-07-06 | 出光興産株式会社 | ジアルキルエーテルを含む潤滑油基油 |
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Also Published As
Publication number | Publication date |
---|---|
EP1577371A1 (en) | 2005-09-21 |
JPWO2004058928A1 (ja) | 2006-04-27 |
US7534749B2 (en) | 2009-05-19 |
US20060166844A1 (en) | 2006-07-27 |
JP4769463B2 (ja) | 2011-09-07 |
EP1577371A4 (en) | 2008-11-05 |
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