US20170369812A1 - Lubricant composition inhibiting adsorption of alpha-olefin, and method and agent for inhibiting adsorption of alpha-olefin - Google Patents
Lubricant composition inhibiting adsorption of alpha-olefin, and method and agent for inhibiting adsorption of alpha-olefin Download PDFInfo
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- US20170369812A1 US20170369812A1 US15/536,155 US201515536155A US2017369812A1 US 20170369812 A1 US20170369812 A1 US 20170369812A1 US 201515536155 A US201515536155 A US 201515536155A US 2017369812 A1 US2017369812 A1 US 2017369812A1
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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
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- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- 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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- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2203/00—Organic non-macromolecular hydrocarbon compounds and hydrocarbon fractions as ingredients in lubricant compositions
- C10M2203/02—Well-defined aliphatic compounds
- C10M2203/024—Well-defined aliphatic compounds unsaturated
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- C10M2203/00—Organic non-macromolecular hydrocarbon compounds and hydrocarbon fractions as ingredients in lubricant compositions
- C10M2203/10—Petroleum or coal fractions, e.g. tars, solvents, bitumen
- C10M2203/102—Aliphatic fractions
- C10M2203/1025—Aliphatic fractions used as base material
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- 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
- C10M2205/026—Butene
- C10M2205/0265—Butene used as base material
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- 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
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- 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
- C10M2207/02—Hydroxy compounds
- C10M2207/023—Hydroxy compounds having hydroxy groups bound to carbon atoms of six-membered aromatic rings
- C10M2207/026—Hydroxy compounds having hydroxy groups bound to carbon atoms of six-membered aromatic rings with tertiary alkyl groups
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- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/10—Carboxylix acids; Neutral salts thereof
- C10M2207/14—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to carbon atoms of six-membered aromatic rings
- C10M2207/141—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to carbon atoms of six-membered aromatic rings monocarboxylic
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- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/10—Carboxylix acids; Neutral salts thereof
- C10M2207/24—Epoxidised acids; Ester derivatives thereof
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- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/26—Overbased carboxylic acid salts
- C10M2207/262—Overbased carboxylic acid salts derived from hydroxy substituted aromatic acids, e.g. salicylates
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- C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
- C10M2215/02—Amines, e.g. polyalkylene polyamines; Quaternary amines
- C10M2215/04—Amines, e.g. polyalkylene polyamines; Quaternary amines having amino groups bound to acyclic or cycloaliphatic carbon atoms
- C10M2215/042—Amines, e.g. polyalkylene polyamines; Quaternary amines having amino groups bound to acyclic or cycloaliphatic carbon atoms containing hydroxy groups; Alkoxylated derivatives thereof
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- C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
- C10M2215/02—Amines, e.g. polyalkylene polyamines; Quaternary amines
- C10M2215/06—Amines, e.g. polyalkylene polyamines; Quaternary amines having amino groups bound to carbon atoms of six-membered aromatic rings
- C10M2215/064—Di- and triaryl amines
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- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
- C10M2215/02—Amines, e.g. polyalkylene polyamines; Quaternary amines
- C10M2215/06—Amines, e.g. polyalkylene polyamines; Quaternary amines having amino groups bound to carbon atoms of six-membered aromatic rings
- C10M2215/064—Di- and triaryl amines
- C10M2215/065—Phenyl-Naphthyl amines
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- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
- C10M2215/08—Amides
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- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
- C10M2215/12—Partial amides of polycarboxylic acids
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
- C10M2215/22—Heterocyclic nitrogen compounds
- C10M2215/223—Five-membered rings containing nitrogen and carbon only
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- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2219/00—Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions
- C10M2219/04—Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions containing sulfur-to-oxygen bonds, i.e. sulfones, sulfoxides
- C10M2219/046—Overbasedsulfonic acid salts
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- 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
- C10N2030/12—Inhibition of corrosion, e.g. anti-rust agents or anti-corrosives
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2040/00—Specified use or application for which the lubricating composition is intended
- C10N2040/30—Refrigerators lubricants or compressors lubricants
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- C10N2230/12—
Definitions
- the present invention relates to a lubricant composition, and more particularly, to improvement of an industrial lubricating oil such as a working oil or a compressor oil.
- a lubricating oil such as a working oil or a compressor oil cannot obtain good oxidation stability and rust prevention and is difficult to use stably over a long period unless an additive package including a rust inhibitor as an additive is used in the lubricant composition. Therefore, a lubricant composition having desired oxidation stability and rust prevention has been obtained by adding an additive package including a rust inhibitor to a lubricant composition used as a working oil, a compressor oil, or the like.
- the invention of the present application seeks to obtain a lubricant composition and the like having excellent oxidation stability and rust prevention by inhibiting adsorption of a very small quantity of an ⁇ -olefin, which has an ill effect as described earlier on oxidation stability and rust prevention in a lubricant composition such as a working oil or a compressor oil, so that the ⁇ -olefin has no effect on a metal surface.
- Group III and Group IV base oils are 90 mass % or more saturated hydrocarbons
- the present inventors tried obtaining the desired effect by adding a large quantity of an additive having a rust-preventing effect, and found that because additives have low solubility in base oils and adding a large quantity of an additive is disadvantageous economically, an additive which has an effect by adding a small quantity had to be selected.
- the present invention provides a lubricant composition
- a lubricant composition comprising any of oils of Group III, Group IV and polyisobutylenes classified into Group V according to the API base oil classification or a mixture thereof as a base oil, and ⁇ -olefin coexisting in an amount of 1% by mass or less based on the total amount of the composition, wherein a sarcosinic acid derivative, an aspartic acid derivative or a diethanolamine derivative, or a mixture thereof has been added to the composition.
- the present invention further provides a method for inhibiting adsorption of ⁇ -olefin in a lubricant composition to a metal surface, the lubricant composition comprising any of oils of Group III, Group IV and polyisobutylenes classified into Group V according to the API base oil classification or a mixture thereof as a base oil, and the ⁇ -olefin coexisting in an amount of 1% by mass or less based on the total amount of the composition, which method comprises adding a sarcosinic acid derivative, an aspartic acid derivative or a diethanolamine derivative, or a mixture thereof to the lubricant composition.
- the present invention can improve oxidation stability and rust prevention in a lubricant composition by inhibiting the adsorbing effect of a very small quantity an ⁇ -olefin mixed in a lubricant composition, and as a result, can obtain an excellent lubricant composition.
- the base oil of the lubricant composition comprises any of oils of Group III, Group IV and polyisobutylenes classified into Group V according to the API base oil classification or a mixture thereof as a base oil. This means that all or substantially all (i.e. greater than 90 mass % based upon the mass of the base oil) of the base oil is chosen from one or more base oils from Group III, Group IV and polyisobutylenes classified into Group V according to the API base oil classification.
- the base oil of the lubricant composition in the present invention is, for example, a poly- ⁇ -olefin (PAO) belonging to Group IV in the base oil classification of API, a highly hydrogenated and refined high viscosity-index mineral oil belonging to Group III and having little sulphur or unsaturated content, a gas-to-liquid (GTL) base oil, a polyisobutylene belonging to Group V, or an oil mixture of these.
- PAO poly- ⁇ -olefin
- GTL gas-to-liquid
- Group IV PAO are produced by polymerising ⁇ -olefins, and such a PAO having an ⁇ -olefin mixed in presumably occurs when a very small quantity of some of the ⁇ -olefin having a double bond remains unreacted in the compound.
- ⁇ -olefin adsorbing to a metal surface seems to thwart achieving sufficient oxidation stability and rust prevention.
- the ⁇ -olefin acts as a nucleus which causes the rust inhibitor to form micelles, leaving it unable to adsorb to a metal surface and function as a rust inhibitor.
- Hydrocarbon molecules are isomerised by hydrocracking during production of Group III base oils, but if the partial pressure of hydrogen is insufficient or hydrogenation is incomplete, a very small quantity of an ⁇ -olefin is presumably mixed in a lubricant composition using such a base oil.
- Polyisobutylene has a long-chain hydrocarbon molecular structure obtained by polymerising isobutene, and is classified as a Group V base oil. A very small quantity of an ⁇ -olefin derived from the isobutene used as the raw material is presumably mixed in such a base oil.
- a very small quantity of an ⁇ -olefin is mixed in means containing 1 mass % or less of an ⁇ -olefin in a lubricant composition.
- the amount of ⁇ -olefin is always greater than 0 mass %, i.e. there is a detectable amount of ⁇ -olefin.
- the iodine value or the bromine value is usually used as an indicator of unsaturated content; JIS K 0070 ‘Test Methods for Acid Value, Saponification Value, Ester Value, Iodine Value, Hydroxyl Value and Unsaponifiable Matter of Chemical Products’ describes the iodine value.
- the present invention is effective when the iodine value of a base oil is 1.0 g/100 g or less, preferably 0.02 g/100 g to 1.0 g/100 g, and more preferably 0.09 g/100 g to 1.0 g/100 g.
- the present invention is also effective when the bromine value is 0.64 g/100 g or less, preferably 0.01 g/100 g to 0.64 g/100 g, and more preferably 0.06 g/100 g to 0.64/100 g.
- Adding a sarcosinic acid derivative to a lubricant composition is effective when adding a commonly used additive package including a rust inhibitor cannot obtain sufficient oxidation stability and rust prevention.
- R 1 in the formula 1 is a C 16-20 alkyl, and preferably a C 17 alkyl.
- Such a sarcosinic acid derivative is added to obtain the desired oxidation stability and rust prevention in a lubricant composition.
- the sarcosinic acid derivative may be added at from 0.001 to 3 mass %, and preferably from 0.005 to 2 mass %, of the total weight of the lubricant composition to avoid being uneconomical due to adding too much.
- a substance which inhibits the adsorption of an ⁇ -olefin as described earlier is an aspartic acid derivative.
- Such as aspartic acid derivative is indicated by the following formula 2.
- R 2 and R 3 in the formula 2 are hydrogen or the same or different C 3-6 alkyl, alkenyl, or hydroxyalkyl, and preferably may be 2-methylpropyl or tertiary butyl.
- R 4 is a C 1-30 alkyl or alkenyl, a C 1-30 alkyl having an ether bond, or a hydroxyalkyl.
- R 5 is a C 1-30 saturated or unsaturated carboxylic acid group, or a C 1-30 alkyl, alkenyl, or hydroxyalkyl. Examples are a propionic acid group or a propionylic acid group.
- This aspartic acid derivative may be used at from 0.005 to 3 mass %, and preferably from 0.01 to 3 mass %, to the total weight of the lubricant composition.
- a substance which inhibits the adsorption of an ⁇ -olefin as described earlier is a diethanolamine derivative.
- a diethanolamine derivative is indicated by the following formula 3.
- R 6 in the formula 3 is a C 16-20 alkyl, and preferably a C 18 alkyl.
- the diethanolamine derivative may be added at from 0.001 to 3 mass %, and preferably from 0.005 to 2 mass %, of the total weight of the lubricant composition.
- ⁇ -olefin adsorption inhibitor of the present invention and lubricant compositions using this inhibitor will be described specifically hereinafter by citing examples and comparative examples, but the present invention is not to be taken as limited to these examples.
- PAO8 A poly- ⁇ -olefin obtained by polymerising 3-4 C 10 ⁇ -olefins as the principal ingredient.
- the iodine value of this PAO8 is at or below the detection limit, indicating that substantially no ⁇ -olefins are mixed in.
- This R&O type industrial additive package contains N-1-naphthylaniline, N,N-bis(2-ethylhexyl)-(4 or 5)-methyl-1H-benzotriazole-1-methylamine, (4-nonylphenoxy)benzoic acid, alkylated diphenylamine, steric-hindered phenol, and acyl sarcosinic acid.
- the ⁇ -olefin in the examples and comparative examples is the reagent 1-octadecene made by Wako Pure Chemical Industries. Because this compound has a molecular weight of 252, the iodine value when calculated in the compound separately is 101 g/100 g, and the bromine value is 63.5 g/100 g.
- the iodine value derived from the ⁇ -olefin in compositions containing 1.0 mass % of 1-octadecene in the examples and comparative examples may be said to be 1.0 g/100 g, and the bromine value may be said to be 0.64 g/100 g.
- Aspartic acid derivative Mixture of N-1-oxy-3-carbonyloxypropyl-N-3-octyloxypropyl-aspartic acid dibutyl ester, N-1-oxy-3-carbonyloxypropyl-N-3-decyloxypropyl-aspartic acid diisobutyl ester, N-1-oxy-3-carbonyloxypropyl-N-3-dodecyloxypropyl-aspartic acid diisobutyl ester, and N-1-oxy-3-carbonyloxypropyl-N-3-tetradecyloxypropyl-aspartic acid diisobutyl ester indicated by the formula 2 (acid value by the method of JIS K2501: 100 mg KOH/g)
- Diethanolamine derivative N-Alkenyldiethanolamine (principal ingredient: N-oleyldiethanolamine) comprising a diethanolamine (tertiary amine compound) in which R 6 is a C 18 linear alkyl, indicated by the formula 3 (acid value by the method of JIS K2501: 160 mg KOH/g)
- Epoxidized ester Epoxidized rape seed fatty acid 2-ethylhexyl ester
- Calcium salicylate Calcium content: 8 mass %, acid value by the method of JIS K2501: 230 mg KOH/g
- Calcium sulphonate Calcium content: 2.1 mass %, acid value by the method of JIS K2501: 0.2 mg KOH/g
- Alkyl ether carboxylic acid Acid value by the method of JIS K2501: 120 mg KOH/g
- a lubricant composition comprising 98.4 mass % of PAO8, 0.5 mass % of a commonly used package additive including a rust inhibitor, 1.0 mass % of the ⁇ -olefin, and 0.1 mass % of the sarcosinic acid derivative.
- a lubricant composition comprising 98.0 mass % of PAO8, 0.5 mass % of a commonly used package additive including a rust inhibitor, 1.0 mass % of the ⁇ -olefin, and 0.5 mass % of the sarcosinic acid derivative.
- a lubricant composition comprising 98.0 mass % of PAO8, 0.5 mass % of a commonly used package additive including a rust inhibitor, 1.0 mass % of the ⁇ -olefin, and 0.5 mass % of the aspartic acid derivative.
- a lubricant composition comprising 98.0 mass % of PAO8, 0.5 mass % of a commonly used package additive including a rust inhibitor, 1.0 mass % of the ⁇ -olefin, and 0.5 mass % of the diethanolamine derivative.
- a lubricant composition comprising only a base oil consisting of 100 mass % of PAO8.
- a lubricant composition comprising 99.5 mass % of PAO8, and 0.5 mass % of a commonly used package additive including a rust inhibitor.
- a lubricant composition comprising 98.5 mass % of PAO8, 0.5 mass % of a commonly used package additive including a rust inhibitor, and 1.0 mass % of the ⁇ -olefin.
- a lubricant composition comprising 98.4 mass % of PAO8, 0.5 mass % of a commonly used package additive including a rust inhibitor, 1.0 mass % of the ⁇ -olefin, and 0.1 mass % of the succinic acid derivative.
- a lubricant composition comprising 98.0 mass % of PAO8, 0.5 mass % of a commonly used package additive including a rust inhibitor, 1.0 mass % of the ⁇ -olefin, and 0.5 mass % of the succinic acid derivative.
- a lubricant composition comprising 98.0 mass % of PAO8, 0.5 mass % of a commonly used package additive including a rust inhibitor, 1.0 mass % of the ⁇ -olefin, and 0.5 mass % of the epoxidized ester.
- a lubricant composition comprising 98.4 mass % of PAO8, 0.5 mass % of a commonly used package additive including a rust inhibitor, 1.0 mass % of the ⁇ -olefin, and 0.1 mass % of calcium salicylate.
- a lubricant composition comprising 98.0 mass % of PAO8, 0.5 mass % of a commonly used package additive including a rust inhibitor, 1.0 mass % of the ⁇ -olefin, and 0.5 mass % of calcium salicylate.
- a lubricant composition comprising 98.4 mass % of PAO8, 0.5 mass % of a commonly used package additive including a rust inhibitor, 1.0 mass % of the ⁇ -olefin, and 0.1 mass % of calcium sulphonate.
- a lubricant composition comprising 98.0 mass % of PAO8, 0.5 mass % of a commonly used package additive including a rust inhibitor, 1.0 mass % of the ⁇ -olefin, and 0.5 mass % of calcium sulphonate.
- a lubricant composition comprising 98.0 mass % of PAO8, 0.5 mass % of a commonly used package additive including a rust inhibitor, 1.0 mass % of the ⁇ -olefin, and 0.5 mass % of the alkyl ether carboxylic acid.
- Rust-proofing test Based on JIS K2510, after 300 ml of a test oil were collected in a vessel set up in a constant-temperature bath, stirred at 1000 revolutions per minute, and heated to 60° C., test pieces made of iron were inserted into the test oil, which was further combined with 30 ml of artificial seawater and stirred while maintained at 60° C. for 24 hours, after which the test pieces were removed and evaluated visually for whether or not rust had occurred and, if so, to what extent.
- test evaluation was based on the following criteria.
- Tables 1 and 2 show the compositions of the examples and the comparative examples, and the results of the rust-proofing test.
- Comparative Example 2 was produced by combining Comparative Example 1 with 0.5 mass % of a commonly used package additive including a rust inhibitor, and as a result, no rust was found.
- Comparative Example 3 was produced by combining Comparative Example 2 with 1.0 mass % of the ⁇ -olefin, (moderate) rust was found even though the lubricant composition contained a package additive including a rust inhibitor when the ⁇ -olefin was mixed in.
- Example 1 was produced by combining Comparative Example 3, having ⁇ -olefin mixed in, with 0.1 mass % of the sarcosinic acid derivative, with which, no rust was found to occur.
- Example 2 was produced by combining the same with 0.5 mass % of a sarcosinic acid derivative, with which, no rust was found to occur.
- Example 3 was produced by combining Comparative Example 3, having ⁇ -olefin mixed in, with 0.5 mass % of the aspartic acid derivative, with which, no rust was found to occur.
- Example 4 was produced by similarly combining Comparative Example 3, having ⁇ -olefin mixed in, with 0.5 mass % of the diethanolamine derivative, with which, no rust was found to occur.
- Comparative Example 4 was produced by combining Comparative Example 3, having ⁇ -olefin mixed in, with 0.1 mass % of the succinic acid derivative, with which, (moderate) rust was found to occur.
- Comparative Example 5 was produced by combining the same with 0.5 mass % of the succinic acid derivative, with which, (moderate) rust was found to occur.
- Comparative Example 6 was produced by combining Comparative Example 3, having ⁇ -olefin mixed in, with 0.5 mass % of the epoxidized ester, with which, (heavy) rust was found to occur.
- Comparative Example 7 was produced by combining Comparative Example 3, having ⁇ -olefin mixed in, with 0.1 mass % of calcium salicylate, with which, (heavy) rust was found to occur.
- Comparative Example 8 was produced by combining the same with 0.5 mass % of calcium salicylate, with which, (moderate) rust was found to occur.
- Comparative Example 9 was produced by combining Comparative Example 3, having ⁇ -olefin mixed in, with 0.1 mass % of calcium sulphonate, with which, (heavy) rust was found to occur.
- Comparative Example 10 was produced by combining the same with 0.5 mass % of calcium sulphonate, with which, (heavy) rust was also found to occur.
- Comparative Example 11 was produced by combining Comparative Example 3, having ⁇ -olefin mixed in, with 0.5 mass % of the alkyl ether carboxylic acid, with which, (heavy) rust was found to occur.
- a succinic acid derivative, an epoxidized ester, calcium salicylate, and calcium sulphonate which are usually considered to have a rust inhibiting effect and are used to obtained such an effect, could not prevent worsening of rust caused by an ⁇ -olefin being mixed in.
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- Oil, Petroleum & Natural Gas (AREA)
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- Lubricants (AREA)
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JP2014254765A JP6434800B2 (ja) | 2014-12-17 | 2014-12-17 | αオレフィンの吸着阻害潤滑剤組成物及び吸着阻害方法並びに吸着阻害剤 |
PCT/EP2015/079638 WO2016096753A1 (en) | 2014-12-17 | 2015-12-14 | α-OLEFIN ADSORPTION INHIBITING LUBRICANT COMPOSITION, ADSORPTION INHIBITING METHOD AND ADSORPTION INHIBITOR |
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EP (1) | EP3242924B1 (zh) |
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WO2008095966A1 (en) * | 2007-02-07 | 2008-08-14 | Showa Shell Sekiyu K.K. | Lubricating oil composition |
US20090198089A1 (en) * | 2008-02-06 | 2009-08-06 | Burton Willie C | Controlling branch level and viscosity of polyalphaolefins with propene addition |
US20090312209A1 (en) * | 2006-07-19 | 2009-12-17 | Shell International Research Maatschappij B.V. | Lubricating oil composition |
US20110160502A1 (en) * | 2009-12-24 | 2011-06-30 | Wu Margaret M | Process for Producing Novel Synthetic Basestocks |
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JPH04166931A (ja) * | 1990-10-31 | 1992-06-12 | Fuji Photo Film Co Ltd | ハロゲン化銀写真感光材料 |
RU2275387C2 (ru) * | 2001-09-14 | 2006-04-27 | Кромптон Корпорейшн | Диспергатор-добавка, улучшающая индекс вязкости, и способ ее получения |
US7045055B2 (en) * | 2004-04-29 | 2006-05-16 | Chevron U.S.A. Inc. | Method of operating a wormgear drive at high energy efficiency |
US20060211581A1 (en) * | 2005-03-17 | 2006-09-21 | Bullock Charles L Jr | Blend comprising group III and group IV basestocks |
DE102005035277B4 (de) * | 2005-07-28 | 2007-10-11 | Clariant Produkte (Deutschland) Gmbh | Mineralöle mit verbesserter Leitfähigkeit und Kältefließfähigkeit |
JP5237562B2 (ja) * | 2007-01-23 | 2013-07-17 | 昭和シェル石油株式会社 | セラミックス球転がり軸受用潤滑油組成物 |
JP5475984B2 (ja) * | 2007-12-12 | 2014-04-16 | 昭和シェル石油株式会社 | 潤滑油組成物 |
JP5366416B2 (ja) * | 2008-02-29 | 2013-12-11 | Jx日鉱日石エネルギー株式会社 | さび止め油組成物 |
JP5892800B2 (ja) * | 2012-02-06 | 2016-03-23 | Jx日鉱日石エネルギー株式会社 | 油圧作動油組成物 |
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US20090312209A1 (en) * | 2006-07-19 | 2009-12-17 | Shell International Research Maatschappij B.V. | Lubricating oil composition |
WO2008095966A1 (en) * | 2007-02-07 | 2008-08-14 | Showa Shell Sekiyu K.K. | Lubricating oil composition |
US20090198089A1 (en) * | 2008-02-06 | 2009-08-06 | Burton Willie C | Controlling branch level and viscosity of polyalphaolefins with propene addition |
US20110160502A1 (en) * | 2009-12-24 | 2011-06-30 | Wu Margaret M | Process for Producing Novel Synthetic Basestocks |
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CN107109291A (zh) | 2017-08-29 |
JP2016113572A (ja) | 2016-06-23 |
JP6434800B2 (ja) | 2018-12-05 |
BR112017012882B1 (pt) | 2021-06-01 |
RU2708248C2 (ru) | 2019-12-05 |
RU2017124359A3 (zh) | 2019-06-14 |
EP3242924B1 (en) | 2020-09-16 |
CN107109291B (zh) | 2021-03-09 |
BR112017012882A2 (pt) | 2019-11-19 |
EP3242924A1 (en) | 2017-11-15 |
WO2016096753A1 (en) | 2016-06-23 |
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