GREASE COMPOSITION AND MECHANICAL PART

The invention provides a grease composition containing a base oil, a thickener and a rust inhibitor, characterized in that the rust inhibitor includes an organic sulfonate and a fatty acid amine salt. The grease composition of the invention exhibits excellent rust preventing characteristics and causes little damage to the environment. 1. A grease composition comprising a base oil , a thickener and a rust inhibitor , wherein the rust inhibitor comprises an organic sulfonate and a fatty acid amine salt.2. The grease composition of claim 1 , wherein the organic sulfonate is at least one selected from the group consisting of calcium sulfonate and zinc sulfonate.3. The grease composition of claim 1 , wherein the fatty acid amine salt is an amine salt of a fatty acid having 4 to 22 carbon atoms.4. The grease composition of for a rolling bearing.5. A mechanical part using the grease composition of . The present invention relates to a grease composition, particularly a grease composition having excellent rust preventing characteristics; and a mechanical part, in particular a bearing, employing the above-mentioned grease composition.A variety of mechanical parts have the problem of corrosion. For example, the rolling bearing parts for the automotive electrical equipment and engine auxiliaries including alternators, electromagnetic clutches and the like have the problem of corrosion resulting from permeation of water on the road, salt water or sea water during the operation; the rolling bearing parts for industrial machinery including compressors, blowers and the like also have the problem of corrosion resulting from permeation of cooling water and penetration of rainwater or sea water when installed outside; and the rolling bearing parts for the motor of home electrical appliances such as washing machines, refrigerators, and bathroom ventilating fans and bathroom ventilator dryer system which have become popular in recent years also have the problem of corrosion because they ...

Titanium and Molybdenum Compounds and Complexes as Additives in Lubricants

A lubricating composition comprising an oil of lubricating viscosity, 1 to 1000 parts per million by weight of titanium in the form of an oil-soluble titanium-containing material, and at least one additional lubricant additive provides beneficial effects on properties such as deposit control, oxidation, and filterability in engine oils. 2. The lubricating composition of wherein the oil-soluble titanium-containing material comprises a titanium (IV) alkoxide or carboxylate or mixtures thereof.3. The lubricating composition of wherein the oil-soluble titanium-containing material comprises titanium (IV) isopropoxide or 2-ethylhexoxide or mixtures thereof.4. The lubricating composition of wherein the oil-soluble titanium-containing material comprises a titanium-modified dispersant.5. The lubricating composition of wherein the oil-soluble titanium-containing material comprises the reaction product of a titanium alkoxide and a hydrocarbyl-substituted-succinic anhydride6. The lubricating composition of wherein the amount of titanium is about 50 to about 140 parts per million by weight.7. The lubricating composition of wherein the oil-soluble molybdenum-containing material comprises a molybdenum hydrocarbyldithiocarbamate.8. The lubricating composition of wherein the amount of molybdenum is about 70 to about 150 parts per million by weight.9. The lubricating composition of wherein the phenolic antioxidant comprises a hindered phenolic ester antioxidant.10. (canceled)11. The lubricating composition of wherein the amount of phosphorus in said composition is less than about 1000 parts per million by weight.12. The lubricating composition of wherein the amount of titanium in the lubricating composition is about 50 to about 140 parts per million by weight claim 1 , the amount of molybdenum in the lubricating composition is about 70 to about 150 parts per million by weight claim 1 , the hindered phenolic antioxidant comprises a hindered phenolic ester antioxidant and is present in ...

Overbased Alkylated Arylalkyl Sulfonates

An overbased alkylated arylalkyl sulfonate is easy to prepare and is useful as a detergent in various lubricant applications. 3. The overbased salt of wherein the overbased salt is a metal salt having a metal ratio of about 1.1 to about 40.4. The overbased salt of having a TBN of about 10 to about 1100 on an oil-free basis.5. The overbased salt of wherein the overbased salt is a carbonated metal salt.6. The overbased salt of claim 1 , wherein the cation comprises a calcium claim 1 , magnesium claim 1 , or sodium cation.7. The overbased salt of claim 1 , wherein the Rgroups in the SO containing substituent are H and n+m is about 8 to about 188. The overbased salt of wherein the Rgroups in Rare H and o+p is about 7 to about 17.9. The overbased salt of wherein one or two of R claim 1 , R claim 1 , and Rare methyl groups.11. A lubricant composition comprising an oil of lubricating viscosity and the overbased salt of .12. The lubricant composition of wherein the amount of the overbased salt is about 0.01 to about 5 percent by weight.13. The lubricant composition of wherein the overbased salt comprises about 90 percent or more by weight of the total detergents in the lubricant composition.14. The lubricant composition of further comprising at least one dispersant claim 11 , friction modifier claim 11 , antiwear agent claim 11 , antioxidant claim 11 , viscosity modifier claim 11 , or additional overbased salt.15. A method for lubricating a mechanical device claim 11 , comprising supplying thereto the lubricant of .16. The method of wherein the mechanical device comprises an internal combustion engine claim 15 , a transmission claim 15 , a gear claim 15 , or a hydraulic system.18. The method of wherein the sulfonic acid or reactive equivalent thereof is reacted with an excess of calcium hydroxide claim 17 , calcium oxide claim 17 , magnesium hydroxide claim 17 , magnesium oxide claim 17 , sodium hydroxide claim 17 , or sodium oxide.19. (canceled) The disclosed technology ...

Lubricating Oil Composition

An automotive lubricating oil composition for an internal combustion engine comprises (A) an oil of lubricating viscosity in a major amount; and (B) an oil-soluble zinc dithiocarbamate as an additive component in a minor amount in which each of the two amino groups is substituted with an aryl group and with either another aryl group, an aliphatic group or a hydrogen atom, the composition having not greater than 1600 ppm by mass of phosphorus, expressed as phosphorous atom. 1. An automotive lubricating oil composition for an internal combustion engine comprising , or made by admixing:(A) an oil of lubricating viscosity in a major amount; and(B) as an additive component in a minor amount, one or more oil-soluble zinc dithiocarbamates, wherein each amino group is substituted with an aryl group, and with another aryl group, an aliphatic group or a hydrogen atom,the composition having not greater than 1600 ppm by mass of phosphorus, expressed as phosphorus atoms.2. A composition as claimed in where the or each zinc dithiocarbamate is represented by the formula:{'br': None, 'sup': 1', '2', '3', '4, 'RRN—CS—S—Zn—S—CS—NRR'}{'sup': 1', '3', '2', '4, 'where, independently, Rand Reach represents an aryl group and Rand Reach represents an aryl group or an alkyl group or a hydrogen atom.'}3. A composition as claimed in wherein each aryl group is an unsubstituted phenyl group or an alkyl-substituted phenyl group.4. A composition as claimed in wherein each alkyl group claim 2 , when present claim 2 , has from 1 to 30 carbon atoms.5. A composition as claimed in wherein each alkyl group claim 4 , when present claim 4 , has 3 to 18 carbon atoms.6. A composition as claimed in wherein each amino group is substituted with two aryl groups.7. A composition as claimed in wherein each of R claim 2 , R claim 2 , Rand Reach represents an aryl group.8. A composition as claimed in wherein the composition has a sulfated ash value of up to 1.0 and a sulfur content of up to 0.4 mass %.9. A ...

Lubricating Composition Containing A Detergent

The invention provides a lubricating composition containing an oil of lubricating viscosity and a detergent. The invention further relates to a process to prepare the detergent, and the use of the lubricating composition in a mechanical device such as an internal combustion engine, or a driveline device. 3. A process to prepare a detergent comprising: (i) an acidic detergent substrate, and', '(iii) a basic metal compound, and optionally further in the presence of an alcohol;, '(a) reacting in the presence of a solvent (typically an oil medium, or a hydrocarbon solvent such as an alkane (typically hexane), or toluene), a mixture of'}(b) reacting the product of (a) with a hydroxy-carboxylic acid, or reactive equivalent thereof, and carbon dioxide to form an overbased detergent; and(c) optionally, removing volatiles (typically solvent, water or alcohol) from the product of (a) or (b).4. A process to prepare a detergent comprising: (i) a hydroxy-carboxylic acid,', '(ii) an acidic detergent substrate, and', '(iii) a basic metal compound;, '(a) reacting in the presence of a solvent (typically an oil medium, or a hydrocarbon solvent such as an alkane (typically hexane), or toluene), and optionally further in the presence of an alcohol, a mixture of'}(b) reacting the product of (a) with carbon dioxide to form an overbased detergent; and(c) optionally, removing volatiles (typically solvent, water or alcohol) from the product of (b).5. The process of claim 1 , wherein step (b) is required claim 1 , resulting in the process preparing an overbased detergent claim 1 , and wherein the detergent has a TBN of 200 to 600 claim 1 , or 300 to 550 claim 1 , or 350 to 500 mg KOH/g.6. The process of where step (b) is not performed claim 1 , resulting in the process preparing a non-overbased detergent.7. The process of claim 1 , wherein the basic metal compound is a hydroxide or oxide of the metal.8. The process of claim 1 , wherein the basic metal compound comprises a metal that is ...

SLIDING MEMBER

A sliding member includes: a substrate which has a sliding surface sliding under the presence of lubricating oil; and a film which is fixed to at least a part of the sliding surface. The film contains carbon (C), titanium (Ti), and boron (B), is obtained by repeatedly and alternately layering a first layer containing amorphous carbon as a principal component and a second layer containing C and Ti as principal components, and has hardness of 18 GPa or more. 1. A sliding member comprising:a substrate which has a sliding surface sliding under the presence of lubricating oil; anda film which is fixed to at least a part of the sliding surface,wherein the film has hardness of 18 GPa or more, contains carbon (C), titanium (Ti), and boron (B), and is obtained by repeatedly and alternately layering a first layer containing amorphous carbon as a principal component and a second layer containing C and Ti as principal components.2. The sliding member according to claim 1 ,wherein the second layer contains titanium carbide (TiC).3. The sliding member according to claim 1 ,wherein the second layer contains C, Ti, and B, and includes a Ti—B—C layer which is formed on at least one side of boundary face portions between the second layer and the first layer so as to have a B content higher than those of the other portions.4. The sliding member according to claim 3 ,wherein a thickness of the Ti—B—C layer is 1 to 10 nm.5. The sliding member according to claim 1 ,wherein a ratio (T=T1/T2) of a thickness T1 of the first layer with respect to a thickness T2 of the second layer is equal to or larger than 0.3 and equal to or smaller than 2.6. The sliding member according to claim 1 ,wherein in the film, a thickness of a layered portion including a pair of the first layer and the second layer is 10 to 60 nm, and the first layer and the second layer are layered as many as 10 to 1000 layers in total.7. The sliding member according to claim 1 ,wherein the substrate includes an intermediate ...

DIESEL CYLINDER LUBRICANT OIL COMPOSITION

Provided are formulations, methods of making, and methods of using a diesel cylinder lubricating oil composition to achieve enhanced corrosive wear control on the cylinders of a 2-stroke diesel engine, wherein such lubricating oil composition comprises, among other things, an amount of one or more surfactant materials sufficient to provide substantially improved capacity to reduce or inhibit corrosive wear. 1. A marine cross-head two-stroke diesel cylinder lubricating oil composition comprising an admixture of:(a) a major amount of an oil of lubricating viscosity;(b) one or more high overbased metal-containing detergents;(c) one or more foam inhibitors; and(d) one or more non-overbased or low overbased oil-soluble surfactant materials to provide enhanced corrosive wear control;wherein the marine cross-head two-stroke diesel cylinder lubricating oil composition has a TBN of about 5 to about 100, and further wherein the one or more non-overbased or low overbased surfactant materials are present in an amount of about 2 wt. % to about 25 wt. %.2. The lubricating oil composition of claim 1 , having a TBN of about 30 to about 50.3. The lubricating oil composition of claim 1 , having a TBN of about 60 to about 80.4. The lubricating oil composition of claim 1 , wherein one of the one or more oil-soluble surfactant materials is either a low TBN sulfonate surfactant or a non-overbased sulfonate surfactant.5. The lubricating oil composition of claim 4 , wherein the low TBN sulfonate surfactant is a calcium sulfonate surfactant having a TBN of about 2 to about 20.6. The lubricating oil composition of claim 1 , wherein one of the one or more oil-soluble surfactant materials is a non-overbased linear alkylphenol surfactant.7. (canceled)8. The lubricating oil composition of claim 7 , wherein the one or more surfactants are present in an amount of about 4 wt. % claim 7 , to about 20 wt. %.9. The lubricating oil composition of claim 8 , wherein the one or more surfactants are ...

LUBRICATING OIL COMPOSITION

The present invention provides a lubricating oil composition exhibit excellent friction reduction properties with a small amount of molybdenum. The lubricating oil composition comprises a lubricating base oil, (A) a phosphoric acid ester metal salt represented by formula (1) and (B) an organic molybdenum compound with a ratio of molybdenum to sulfur of 1:3.5 or greater. (In formula 1, Rto Rare each a hydrocarbon group having 1 to 30 carbon atoms, an alkyl or alkenyl group having 1 to 30 carbon atoms, or an alkylthioethyl comprising an alkyl group having 1 to 30 carbon atoms and may be the same or different from each other; X, X, Xand Xare each sulfur or oxygen, either Xor Xis oxygen or both are oxygen, and either Xor Xis oxygen or both are oxygen; and Y is a metal element.) 2. The lubricating oil composition according to wherein Rthrough Rare each a straight-chain alkyl group having 4 to 8 carbon atoms.3. The lubricating oil composition according to further comprising an ashless dispersant containing no boron.4. The lubricating oil composition according to further comprising an ashless dispersant containing no boron. The present invention relates to a novel lubricating oil composition, more specifically such a lubricating oil composition produced by blending a base oil with a phosphoric acid ester metal salt and a molybdenum friction modifier with a specific structure and having excellent friction-reducing properties. In particular, the present invention relates to a lubricating oil composition suitably used as an internal combustion engine lubricating oil.Conventionally, lubricating oil has been used in an internal combustion engine, a transmission or grease to allow the smooth operation thereof. In particular, a lubricating oil (engine oil) for an internal combustion engine is required to exhibit performances of higher levels because internal combustion engines have been improved in performances, enhanced in output and used under severe working conditions. In ...

Additive Package for Marine Engine Lubrication

An additive package for a two- or four-stroke marine engine lubricant comprises an oil of lubricating viscosity, a salicylate detergent and a sulfonate detergent in a ratio of 90/10 to 10/90 (expressed as mmol of soap), and 1 to 10 mass % of a hydrocarbylphenol-aldehyde condensate. 1. An additive package for a two-stroke or four-stroke marine engine lubricating oil composition , comprising an oil of lubricating viscosity in a minor amount; a major amount of (A) an overbased metal hydroxybenzoate detergent additive and (B) an overbased metal sulfonate detergent additive; and (C) an oil-soluble hydrocarbylphenol-aldehyde condensate additive in an amount in the range of 1 to 10 mass %; wherein the ratio of (A) to (B) , expressed as mmol of soap , is in the range of 90:10 to 10:90.2. A two-stroke or four-stroke marine engine lubricating oil composition comprising an oil of lubricating viscosity in a major amount claim 1 , blended with a minor amount of the additive package claimed in ; wherein the composition claim 1 , when a two-stroke engine composition claim 1 , has a TBN of 10 to 120 mg KOH/g claim 1 , as measured using ASTM D2896; and claim 1 , when a four-stroke engine composition claim 1 , has a TBN of 25 to 60 mg KOH/g claim 1 , as measured using ASTM D2896.3. The additive package of claim 1 , where (A) is an overbased calcium salicylate detergent.4. The composition of claim 2 , where (A) is an overbased calcium salicylate detergent.5. The additive package of claims 1 , where (B) is an overbased calcium sulfonate detergent.6. The composition of claim 2 , where (B) is an overbased calcium sulfonate detergent.7. The additive package of claim 1 , where (C) is a methylene-bridged alkylphenol claim 1 , the hydroxyl groups of which are either capped or uncapped.8. The composition of claim 2 , where (C) is a methylene-bridged alkyiphenol claim 2 , the hydroxyl groups of which are either capped or uncapped.9. The composition of in the form of a marine diesel cylinder ...

LUBRICATING OIL COMPOSITION, LUBRICATING METHOD, AND TRANSMISSION

Provided are a lubricating oil composition having a high intermetallic friction coefficient and having excellent clutch anti-shudder performance of excellent initial clutch anti-shudder performance and a long clutch anti-shudder lifetime, and a lubrication method and a transmission using the lubricating oil composition. The lubricating oil composition contains an amide compound (A) having a specific structure, a metal-based detergent (B), and at least one phosphorus acid ester (C) selected from an acid phosphate ester and an acid phosphite ester; and the lubrication method and the transmission use the lubricating oil composition. 2. The lubricating oil composition according to claim 1 , wherein claim 1 , in all R's and R's contained in the amide compound claim 1 , a content of a dodecyl group is 30% by mass or more and 75% by mass or less claim 1 , and a content of a tetradecyl group is 5% by mass or more and 40% by mass or less.3. The lubricating oil composition according to claim 1 , wherein:{'sup': 1', '2, 'Rand Rcontained in the amide compound (A) comprise a dodecyl group, a tetradecyl group and at least one selected from the group consisting of an octyl group, a decyl group, a hexadecyl group, an octadecyl group and an octadecenyl group, and,'}{'sup': 1', '2, "in all R's and R's contained in the amide compound, a content of the dodecyl group is 30% by mass or more 75% and by mass or less, a content of the tetradacyl group is 5% mass or more and 40% by mass or less, and a content of the at least one selected from the group consisting of the octyl group, the decyl group, the hexadecyl group, the octadecyl group and the octadecenyl group is 1% by mass or more and 20% by mass or less."}4. The lubricating oil composition according to claim 1 , wherein:{'sup': 1', '2, 'Rand Reach are an alkyl group having 6 or more and 24 or less carbon atoms;'}{'sup': '3', 'Ris a hydroxyalkyl group having 1 or more and 2 or less carbon atoms; and'}X is an oxygen atom.5. The ...

Lubricants With Calcium-Containing Detergent and Their Use for Improving Low Speed Pre-Ignition

A lubricating oil composition and method of operating a boosted internal combustion engine. The lubricating oil composition includes greater than 50 wt. % of a base oil, an overbased detergent having a TBN greater than 225 mg KOH/g and a low-based/neutral detergent having a TBN up to 175 mg KOH/g. A total amount of calcium from the overbased and low-based/neutral detergent is greater than 1100 ppm to less than 2400 ppm by weight based on a total weight of the lubricating oil composition. The lubricating oil composition and method may be effective to reduce low-speed pre-ignition events in a boosted internal combustion engine lubricated with the lubricating oil composition relative to commercially available lubricating oil compositions. 1. A lubricating oil composition comprising: at least 0.3 wt. % of an overbased detergent having a total base number of greater than 225 mg KOH/g, measured by the method of ASTM D-2896, and', 'at least 0.2 wt. % of a low-based/neutral detergent having a total base number of up to 175 mg KOH/g, measured by the method of ASTM D-2896, wherein a total amount of calcium from the overbased and low-based/neutral detergent ranges from greater than 1100 ppm by weight to less than 2400 ppm by weight based on a total weight of the lubricating oil composition., 'greater than 50 wt. % of a base oil of lubricating viscosity;'}2. The lubricating oil composition of claim 1 , wherein the overbased detergent comprises an overbased calcium-containing detergent.3. The lubricating oil composition of claim 2 , wherein the overbased calcium-containing detergent comprises a compound selected from an overbased calcium sulfonate detergent claim 2 , and an overbased calcium phenate detergent.4. The lubricating oil composition of claim 1 , wherein the reduction of LSPI events is a 75% or greater reduction and the LSPI events are LSPI counts during 25 claim 1 ,000 engine cycles claim 1 , wherein the engine is operated at 2000 revolutions per minute with brake ...

Lubricants with Magnesium and Their Use for Improving Low Speed Pre-Ignition

A lubricating oil composition and method of operating a boosted internal combustion engine. The lubricating oil composition includes greater than 50 wt. % of a base oil, one or more overbased calcium-containing detergents having a TBN greater than 225 mg KOH/g and one or more magnesium-containing detergents. A total amount of calcium from the one or more overbased calcium-containing detergents is from 900 ppm to less than 2400 ppm by weight, and a total amount of magnesium from the one or more magnesium-containing detergents is from 50 ppm to 500 ppm by weight, both based on a total weight of the lubricating oil composition. The lubricating oil composition and the method of using it are effective to reduce low speed pre-ignition events in a boosted internal combustion engine lubricated with the lubricating oil composition. 1. A lubricating oil composition comprising: one or more calcium-containing overbased detergents having a total base number of greater than 225 mg KOH/g, measured by the method of ASTM D-2896, and', 'one or more magnesium-containing detergents, and, 'greater than 50 wt. % of a base oil of lubricating viscosity;'}wherein the lubricating oil composition includes an amount of the overbased calcium-containing detergent that provides 900 ppm by weight to less than 2400 ppm by weight of calcium to the lubricating oil composition, and an amount of the magnesium-containing detergent that provides 50 ppm by weight to 1000 ppm by weight of magnesium to the lubricating oil composition, both amounts being based on a total weight of the lubricating oil composition based on a total weight of the lubricating oil composition; andthe lubricating oil composition passes the TEOST-33 test.2. The lubricating oil composition of claim 1 , wherein the one or more overbased calcium-containing detergents comprise a compound selected from an overbased calcium sulfonate detergent claim 1 , an overbased calcium phenate detergent claim 1 , an overbased calcium salicylate ...

LUBRICANTS WITH ZINC DIALKYL DITHIOPHOSPHATE AND THEIR USE IN BOOSTED INTERNAL COMBUSTION ENGINES

A lubricating oil composition and method of for providing an acceptable number of low-speed pre-ignition events in a boosted internal combustion engine using the lubricating oil composition. The lubricating oil composition includes greater than 50 wt. % of a base oil of lubricating viscosity, and an additive composition that includes an overbased calcium-containing detergent having a TBN greater than 225 mg KOH/g, and one or more zinc dialkyl dithiophosphate compounds are derived from a molar ratio of secondary alcohol to primary alcohol of 20:100 to about 100:0 and have an average total carbon content of greater than 10 carbon atoms per mole of phosphorous. The lubricating oil compositions contains the overbased calcium-containing detergent in an amount to provide greater than 900 ppm to less than 2400 ppm by weight calcium, and at least 0.01 wt. % of the zinc dialkyl dithiophosphate, both amounts based on the total weight of the lubricating oil composition. 1. A lubricating oil composition comprising:greater than 50 wt. % of a base oil of lubricating viscosity; and one or more overbased calcium-containing detergents having a total base number of greater than 225 mg KOH/g, measured by the method of ASTM D-2896, and', 'one or more zinc dialkyl dithiophosphate compounds, wherein the one or more zinc dialkyl dithiophosphate compounds are derived from a molar ratio of secondary alcohol to primary alcohol of from about 20:100 to about 100:0, and have an average total carbon content of greater than 10 carbon atoms per mole of phosphorus, and, 'an additive composition comprisingthe lubricating oil composition includes an amount of the overbased calcium-containing detergent that provides greater than 900 ppm by weight to less than 2400 ppm by weight of calcium to the lubricating oil composition, and at least 0.01 wt. % of the zinc dialkyl dithiophosphate, both amounts being based on a total weight of the lubricating oil composition.2. The lubricating oil composition of ...

LUBRICATING OIL COMPOSITONS

A lubricating oil composition having a sulfur content of up to about 0.4 wt. % and a sulfated ash content of up to about 0.5 wt. % as determined by ASTM D874 is disclosed which comprises (a) a major amount of an oil of lubricating viscosity; (b) at least one oil-soluble or dispersed oil-stable boron-containing compound having greater than 400 ppm of boron, based upon the total mass of the composition; and (c) at least one oil-soluble or dispersed oil-stable molybdenum-containing compound having at least about 1100 ppm of molybdenum, based upon the total mass of the composition; wherein the lubricating oil composition has a ratio of sulfur to molybdenum of less than or equal to about 4:1. 1. A lubricating oil composition having a sulfur content of up to about 0.4 wt. % and a sulfated ash content of up to about 0.5 wt. % as determined by ASTM D874 and comprising (a) a major amount of an oil of lubricating viscosity; (b) at least one oil-soluble or dispersed oil-stable boron-containing compound having from about 400 ppm to no more than about 2000 ppm of boron of boron , based upon the total mass of the composition; and (c) at least one oil-soluble or dispersed oil-stable molybdenum-containing compound having at least about 1100 ppm of molybdenum , based upon the total mass of the composition; wherein the lubricating oil composition has a ratio of sulfur to molybdenum of about 0.5:1 to less than or equal to about 4:1.2. The lubricating oil composition of claim 1 , wherein the oil of lubricating viscosity is comprised of a mineral base oil.35.-. (canceled)6. The lubricating oil composition of claim 1 , wherein the oil-soluble or dispersed oil-stable boron-containing compound is selected from the group consisting of borated dispersant; a borated friction modifier claim 1 , a dispersed alkali metal or a mixed alkali metal or an alkaline earth metal borate claim 1 , a borated epoxide claim 1 , a borate ester claim 1 , a borated amide claim 1 , a borated sulfonate claim 1 , ...

LUBRICATING OIL COMPOSITIONS

A lubricating oil composition having a sulfur content of up to about 0.4 wt. % and a sulfated ash content of up to about 0.5 wt. % as determined by ASTM D874 is disclosed which comprises (a) a major amount of an oil of lubricating viscosity; (b) at least one oil-soluble or dispersed oil-stable boron-containing compound having no more than about 600 ppm of boron, based upon the total mass of the composition; and (c) at least one oil-soluble or dispersed oil-stable molybdenum-containing compound having no more than about 800 ppm of molybdenum, based upon the total mass of the composition; wherein the lubricating oil composition has a ratio of sulfur to molybdenum of about 5:1 to about 500:1. 1. A lubricating oil composition having a sulfur content of up to about 0.4 wt. % and a sulfated ash content of up to about 0.5 wt. % as determined by ASTM D874 and comprising (a) a major amount of an oil of lubricating viscosity; (b) at least one oil-soluble or dispersed oil-stable boron-containing compound having from about 40 ppm to no more than about 600 ppm of boron , based upon the total mass of the composition; and (c) at least one oil-soluble or dispersed oil-stable molybdenum-containing compound having from about 45 ppm to no more than about 800 ppm of molybdenum , based upon the total , mass of the composition; wherein the lubricating oil composition has a ratio of sulfur to molybdenum of about 5:1 to about 500:1.2. The lubricating oil composition of claim 1 , wherein the oil of lubricating viscosity is comprised of a mineral base oil.36-. (canceled)7. The lubricating oil composition of claim 1 , having no more than about 100 ppm of molybdenum.8. (canceled)9. The lubricating oil composition of claim 1 , having a ratio of sulfur to molybdenum of about 15:1 to about 240:1.10. The lubricating oil composition of claim 1 , having a ratio of sulfur to molybdenum of about 20:1 to about 100:1.11. The lubricating oil composition of claim 1 , wherein the oil-soluble or dispersed ...

Motorcycle Lubricant

It has been found that the balance between friction reduction in the engine crankcase and the maintenance of sufficient friction in the clutch assembly of a 4T motorcycle, where the engine crankcase and the clutch assembly are lubricating by the same lubricating oil composition from a common sump, can be achieved by use of a lubricating oil composition comprising a combination of molybdenum containing additive and ashless organic friction modifier. 1. A motorcycle having a four cycle engine and a transmission including a clutch assembly , the engine crankcase and the clutch assembly being lubricated by a lubricating oil composition provided from a common sump , wherein said lubricating oil composition comprises a major amount of oil of lubricating viscosity and minor amounts of (A) an oil soluble molybdenum compound and (B) an ashless organic friction modifier , wherein the lubricating oil composition comprises at least 30 ppm and no more than 500 ppm of molybdenum from the oil-soluble molybdenum compound (A).2. (canceled)3. (canceled)4. (canceled)5. A motorcycle as claimed in claim 1 , wherein the oil-soluble molybdenum compound consists of either a molybdenum dithiocarbamate or a molybdenum dithiophosphate or a mixture thereof claim 1 , as the sole source of molybdenum atoms in the lubricating oil composition.6. A motorcycle as claimed in claim 5 , wherein the oil-soluble molybdenum compound consists of a molybdenum dithiocarbamate claim 5 , as the sole source of molybdenum atoms in the lubricating oil composition.7. A motorcycle as claimed in claim 1 , wherein the lubricating oil composition wherein the ashless organic friction modifier (B) comprises at least one of (a) a nitrogen-free organic friction modifier comprising an ester formed by reacting carboxylic acids and anhydrides with alkanols claim 1 , (b) an aminic or amine-based friction modifiers comprising alkoxylated mono- and di-amines claim 1 , (c) an ester formed as the reaction product of (i) a ...

GREASE AND METHOD FOR SOFTENING GREASE

A grease of the invention includes: a base oil containing hydrocarbon; and diurea that is represented by a formula (1) below as a thickener and is in a range from 15 mass % to 25 mass % based on a total amount of a composition, the grease exhibiting a worked penetration in a range from 170 to 295. 1. A grease comprising:a base oil comprising hydrocarbon; and {'br': None, 'sub': 1', '2', '3, 'RNHCONHRNHCONHR\u2003\u2003(1)'}, 'a diurea of formula (1) as a thickener in a range from 15 mass % to 25 mass % based on a total amount of the grease, the grease exhibiting a worked penetration in a range from 170 to 295,'}{'sub': 1', '3', '2, 'wherein Rand Rare mutually different and are each independently a hydrocarbon group having 6 to 18 carbon atoms; and Ris a divalent aromatic hydrocarbon group having 6 to 13 carbon atoms.'}2. The grease according to claim 1 , wherein the worked penetration is from 230 to 265.3. The grease according to claim 1 , wherein the hydrocarbon group is a saturated hydrocarbon group.4. The grease according to claim 3 , wherein the saturated hydrocarbon group is an alkyl group or a cycloalkyl group.5. The grease according to claim 4 , wherein the cycloalkyl group is a cyclohexyl group.6. The grease according to claim 4 , wherein Rand Rare each independently an octyl group or a cyclohexyl group.7. The grease according to claim 4 , wherein an average ratio of the cycloalkyl group in the diurea is from 15 mol % to 85 mol % based on a total amount of the alkyl group and the cycloalkyl group as functional groups.8. The grease according to claim 7 , wherein the average ratio of the cycloalkyl group is from 15 mol % to 50 mol %.9. The grease according to claim 7 , wherein the average ratio of the cycloalkyl group is from 75 mol % to 85 mol %.10. The grease according to claim 1 , wherein a content of the hydrocarbon is 90 mass % or more based on a total amount of the base oil.11. The grease according to claim 1 , wherein the hydrocarbon is a poly-α-olefin. ...

Transmission Fluid Compositions for Improved Energy Efficiency

Transmission fluid compositions are provided having improved power transmission properties through the presence therein of certain defined additives, which increase the energy efficiency of the transmission during operation. The invention further provides a process for the manufacture of such transmission fluid compositions, a method of improving the energy efficiency of a transmission, and an additive concentrate for a transmission fluid. 1. A transmission fluid composition consisting of:(i) a lubricating oil, or blend of lubricating oils;(ii) a viscosity modifier additive or blend of viscosity modifier additives;(iii) a polyalphaolefin compound or compounds; and wherein the or each polyalphaolefin compound (iii) is made by the metallocene-catalysed polymerisation of an alphaolefin feedstock, and wherein the total amount of the polyalphaolefin compound(s) (iii) in the transmission fluid composition does not exceed 4 percent by weight of the composition; and', 'wherein at least one alkaline earth metal detergent compound is an alkaline earth metal salicylate or sulphonate compound., '(iv) one or more detergent/inhibitor additives, at least one of which comprises one or more alkaline earth metal detergent compounds,'}2. The transmission fluid composition of claim 2 , wherein the total amount of the polyalphaolefin compound or compounds (iii) in the composition is in the range of 2 to 3 percent by weight of the composition.3. The transmission fluid of claim 1 , wherein each alkaline earth metal detergent compound present in the transmission fluid composition is a neutral or overbased calcium salicylate compound.4. The transmission fluid composition of claim 1 , wherein each alkaline earth metal detergent compound present in the transmission fluid composition is a neutral or overbased calcium salicylate compound claim 1 , and wherein the total amount of the calcium salicylate compound(s) present is such as to provide the transmission fluid composition with a calcium ...

LUBRICATING OIL COMPOSITION

A lubricating oil composition includes: a lubricating base oil; a component (A) that is a metal detergent having a base value of less than 100 mgKOH/g; a component (B) that is a metal detergent having a base value of 100 mgKOH/g or more; a component (C) that is a tertiary amine represented by a formula (1) below, 2. The lubricant oil composition according to claim 1 , wherein the metal detergent as the component (A) is at least one selected from the group consisting of sulfonate claim 1 , phenate and salicylate of an alkaline earth metal.3. The lubricant oil composition according to claim 2 , wherein the alkaline earth metal is calcium.4. The lubricating oil composition according to claim 1 , wherein the metal detergent as the component (B) is at least one selected from the group consisting of sulfonate claim 1 , phenate and salicylate of an alkaline earth metal.5. The lubricant oil composition according to claim 4 , wherein the alkaline earth metal is calcium.6. The lubricating oil composition according to claim 1 , wherein a content of metal derived from the component (A) is 0.002 mass % or more of a total amount of the lubricating oil composition.7. The lubricating oil composition according to claim 1 , wherein a content of metal derived from the component (B) is 0.01 mass % or more of the total amount of the lubricating oil composition.8. The lubricating oil composition according to claim 1 , wherein the component (D) is at least one selected from the group consisting of phosphate claim 1 , acid phosphate claim 1 , phosphite and acid phosphite.9. The lubricating oil composition according to claim 1 , wherein a content of phosphorous derived from the component (D) is 0.02 mass % or more of the total amount of the lubricating oil composition.10. The lubricating oil composition according to claim 1 , wherein a content of nitrogen derived from the component (C) is 0.005 mass % or more of the total amount of the lubricating oil composition.11. The lubricating oil ...

LUBRICANT ADDITIVE COMPOSITIONS CONTAINING THIOPHOSPHATES AND THIOPHOSPHATE DERIVATIVES

The invention relates to thiophosphates and derivatives thereof useful as antiwear additive components, lubricant additive compositions and lubricant compositions each comprising such compounds, methods for making and using the same, including methods of lubricating machines and machine parts and methods of extending the useful life of elastomeric seal components of such machines. 2. The lubricant additive composition of claim 1 , wherein the sulfonate is selected from calcium sulfonate and magnesium sulfonate claim 1 , and wherein the phenate is selected from calcium phenate and magnesium phenate.4. The lubricant additive composition of claim 1 , wherein Xis R.11. The lubricant additive composition of claim 2 , wherein the detergent is selected from a magnesium sulfonate detergent and a calcium phenate detergent.12. The lubricant additive composition of claim 11 , wherein the detergent is an overbased magnesium sulfonate detergent.13. The lubricant additive composition of claim 11 , wherein the detergent is an overbased calcium phenate detergent.14. The lubricant additive composition of claim 2 , wherein the detergent is selected from an overbased calcium sulfonate detergent and a neutral calcium sulfonate detergent.15. The lubricant additive composition of claim 1 , wherein the lubricant additive composition further comprises one or more additive components selected from the group consisting of an antioxidant claim 1 , antiwear agent claim 1 , corrosion inhibitor claim 1 , extreme pressure agent claim 1 , dispersant claim 1 , viscosity index improver claim 1 , and friction modifier.16. The lubricant additive composition of claim 15 , wherein the extreme pressure agent is an organic polysulfide.17. The lubricant additive composition of claim 16 , wherein the polysulfide is an S3-enriched organic polysulfide.18. The lubricant additive composition of claim 1 , wherein the tribologically acceptable salt is not an amine salt.20. The lubricant additive composition of ...

Lubricant Compositions For Direct Injection Engines

The invention is directed to a method for reducing low speed pre-ignition events in a spark-ignited direct injection internal combustion engine by supplying to the sump a lubricant composition which contains an oil of lubricating viscosity and a metal overbased detergent. The metal overbased detergent may be selected from sulfonate detergents, phenate detergents, and salicylate detergents, especially sulfonate detergents with a metal ratio of at least 5. 1. A lubricant composition comprising:(a) a base oil of lubricating viscosity;(b) a magnesium sulfonate overbased detergent in an amount to provide at least 500 ppm magnesium from the magnesium sulfonate overbased detergent to the lubricating composition;(c) a calcium sulfonate overbased detergent in an amount to provide at least 1,000 ppm from the calcium sulfonate overbased detergent to the lubricating composition; and(d) 0.5 to 0.9 wt. % of a zinc dialkyldithiophosphate anti-wear additive, wherein the magnesium sulfonate overbased detergent and the calcium sulfonate overbased detergent collectively contribute up to about 0.8 weight percent of sulfated ash to the lubricating composition and wherein the lubricating composition has a phosphorus content of 0.12 wt. % or less and total sulfated ash of 1.1% or less.2. The composition of claim 1 , wherein the one or more additional additives is selected from an ashless dispersant claim 1 , an ashless antioxidant claim 1 , a friction modifier claim 1 , and a polymeric viscosity modifier.3. The composition of claim 1 , wherein the magnesium overbased detergent has a metal ratio of 5 to 30.4. The composition of claim 1 , wherein the one or more additional additives includes a polyalkenyl succinimide dispersant in an amount from 0.5 to 4 weight % of the lubricating composition.5. The composition of claim 1 , wherein the one or more additional additives includes a boron post-treated polyalkenyl succinimide dispersant.6. The composition of claim 1 , wherein the one or more ...

Lubricants Containing Aromatic Dispersants and Titanium

A lubricant composition, comprising an oil of lubricating viscosity, a dispersant comprising the condensation product of a carboxylic-functionalized polymer with an aromatic moiety through an amide, imide, or ester linkage, and an oil-soluble titanium compound, exhibits good oxidative stability. 1. A lubricant composition , comprising:(a) an oil of lubricating viscosity;(b) a dispersant comprising the condensation product of a carboxylic-functionalized polymer with an aromatic moiety through an amide, imide, or ester linkage; wherein the dispersant comprises a condensation product with an aromatic amine having at least 3 aromatic rings and at least one primary or secondary amino group; and(c) an oil-soluble titanium compound.2. (canceled)4. The lubricant composition of wherein the dispersant comprises a condensation product with a nitro-substituted aromatic amine.5. The lubricant composition of wherein the carboxylic-functionalized polymer comprises a polyisobutylene moiety of number average molecular weight of about 500 to about 10 claim 1 ,000 bearing at least one succinic anhydride group.6. The lubricant composition of wherein the carboxylic-functionalized polymer comprises an olefin copolymer bearing multiple carboxylic groups.7. The lubricant composition of wherein the amount of the dispersant of (b) is about 0.2 to about 5 percent by weight.8. The lubricant composition of wherein the dispersant of (b) comprises (i) a polyisobutylene moiety of number average molecular weight of about 500 to about 10 claim 1 ,000 bearing at least one succinic anhydride group condensed with an aromatic amine having at least 3 aromatic rings and having at least one primary or secondary amino group and (ii) a condensation product of an olefin copolymer bearing multiple carboxylic groups with a nitro-substituted aromatic amine.9. The lubricant composition of wherein the oil-soluble titanium compound comprises a titanium (IV) alkoxide or carboxylate.10. The lubricant composition of ...

GREASE COMPOSITION AND GREASE-FILLED WHEEL BEARING

Provided is a grease composition for a wheel bearing, containing (a) a base oil consisting of a mineral oil and a synthetic hydrocarbon oil, wherein the ratio of the synthetic hydrocarbon oil to the total amount of the mineral oil and the synthetic hydrocarbon oil is 40 to 60 mass %, and the base oil has a kinematic viscosity at 40° C. of 40 to 65 mm/s; (b) a thickener of formula (A) wherein Ris diphenylmethane, and Rand R, which may be the same or different from each other, each represent cyclohexyl group or a straight-chain or branched alkyl group having 16 to 20 carbon atoms, with a molar ratio of the cyclohexyl group to the total number of moles of the cyclohexyl group and the alkyl group being 50 to 90 mol %; (c) an amine type antioxidant; and (d) an amine phosphate type antiwear agent. 2. The grease composition of claim 1 , wherein the amine phosphate type antiwear agent is a tertiary alkylamine-dimethyl phosphate claim 1 , which is contained in an amount of 0.05 to 5 mass % based on the total mass of the grease composition.3. The grease composition of claim 1 , further comprising a rust inhibitor comprising an organic sulfonate and an amine compound.4. The grease composition of claim 3 , wherein the organic sulfonate is a calcium sulfonate claim 3 , which is contained in an amount of 0.05 to 5 mass % based on the total mass of the grease composition.5. The grease composition of claim 3 , wherein the amine compound is an amine salt of a fatty acid claim 3 , which is contained in an amount of 0.05 to 5 mass % based on the total mass of the grease composition.6. The grease composition of claim 1 , further comprising zinc dialkyldithiocarbamate claim 1 , which is contained in an amount of 0.05 to 5 mass % based on the total mass of the grease composition.7. A wheel bearing where the grease composition of is enclosed. The present invention relates to a grease composition to be filled in a wheel bearing, which can satisfy the low torque performance, and show the ...

GREASE COMPOSITION, MACHINE COMPONENT, AND STARTER OVERRUNNING CLUTCH

A silicone grease composition is disclosed. The silicone grease composition contains a silicone oil (A) and zinc dialkyldithiocarbamate (BX) as an extreme-pressure additive. The silicone grease composition contains substantially no zinc dialkyldithiophosphate (BX). The silicone grease composition achieves high friction characteristics and wear characteristics. 1. A grease composition comprising:a silicone oil (A); andzinc dialkyldithiocarbamate (B);wherein the grease composition comprises substantially no zinc dialkyldithiophosphate (BX).2. The grease composition according to claim 1 , wherein a content of the zinc dialkyldithiophosphate (BX) is 0.01 mass % or less relative to the total amount of the grease composition.3. The grease composition according to claim 1 , wherein a content of the zinc salt (B) is from 5 mass % to 30 mass % relative to the total amount of the grease composition.4. The grease composition according to claim 1 , further comprising at least one type of thickener (C) selected from the group consisting of lithium soap and lithium complex soap.5. The grease composition according to claim 1 , wherein a content of the silicone oil (A) is in a range of 50 mass % to 95 mass % relative to the total amount of the grease composition claim 1 , and the silicone oil (A) has an aromatic hydrocarbon group per molecule.6. The grease composition according to claim 1 , wherein the grease composition is a grease composition for a power transmission device.7. A machine component comprising the grease composition according to .8. The machine component according claim 7 , wherein the machine component is a clutch or a torque limiter mechanism.9. An overrunning clutch comprising the grease composition according to in a clutch cam chamber formed by an outer clutch and an inner clutch.10. The grease composition according to claim 2 , wherein a content of the zinc salt (B) is from 5 mass % to 30 mass % relative to the total amount of the grease composition.1110. The ...

Fuel Economical Lubricating Oil Composition for Internal Combustion Engines.

A fuel economical lubricating oil composition for internal combustion engines comprises a base oil and an additive composition comprising an overbased metal-containing detergent and a molybdenum-containing friction modifier, in which the overbased metal-containing detergent comprises calcium salicylate having an alkyl group having an average carbon atom number of 14-18, at least 60 mol. % of the alkyl group having a carbon atom number of 14-18, and calcium sulfonate having an alkyl group having an average carbon atom number of 20-24, at least 60 mol. % of the alkyl group having a carbon atom number of 20-24, and/or calcium salicylate having an alkyl group having an average carbon atom number of 20-28, at least 60 mol. % of the alkyl group having a carbon atom number of 20-28. 1. A lubricating oil composition for internal combustion engines which comprises a major amount of an oil of lubricating viscosity and a minor amount of an additive composition comprising an overbased metal-containing detergent composition and a molybdenum-containing friction modifier;wherein the overbased metal-containing detergent composition comprises calcium salicylate having an alkyl group having an average carbon atom number in the range of 14 to 18, at least 60 mol. % of said alkyl group having a carbon atom number in the range of 14 to 18; and at least one of the following calcium-containing detergent:calcium sulfonate having an alkyl group having an average carbon atom number in the range of 20 to 24, at least 60 mol. % of said alkyl group having a carbon atom number in the range of 20 to 24; andcalcium salicylate having an alkyl group having an average carbon atom number in the range of 20 to 28, at least 60 mol. % of said alkyl group having a carbon atom number in the range of 20 to 28.2. The lubricating oil composition of claim 1 , wherein the molybdenum-containing friction modifier comprises molybdenum dithiocarbamate.3. The lubricating oil composition of claim 1 , wherein the ...

LOW CONDUCTIVITY LUBRICATING OILS FOR ELECTRIC AND HYBRID VEHICLES

Provided is a lubricating oil for electric and hybrid vehicles. The lubricating oil includes at least 80 wt % of a lubricating base oil, 0.5 to 5 wt % of one or more dispersants, 0 to 4 wt % of one or more neutral metal detergents, 0 to 1.5 wt % of zinc dialkyldithiophosphate, 0 to 0.2 wt % of molybdenum dialkyldithiocarbamate, 0 to 2 wt % of an active viscosity modifier, and 0.01 to 5 wt % of one or more other lubricating oil additives. The lubricating oil is essentially free of overbased metal detergents. The lubricating oil has an electrical conductivity from 50 to 3,000 pS/m and a kinematic viscosity from 2 to 20 cSt at 100° C. This disclosure also relates to methods for producing the lubricating oil, methods for lubricating electric and hybrid vehicles, and methods for controlling electrical conductivity of a lubricating oil by using conductivity promoters and conductivity inhibitors. 1. A lubricating oil for use in electric or hybrid vehicles comprising:at least about 80 weight percent of a lubricating base oil, from about 0.5 to about 5 weight percent of one or more dispersants, from about 0 to about 4 weight percent of one or more neutral metal detergents, from about 0 to about 1.5 weight percent of zinc dialkyldithiophosphate (ZDDP), from about 0 to about 0.2 weight percent of molybdenum dialkyldithiocarbamate (MoDTC), from about 0 to about 2 weight percent of an active viscosity modifier, and from about 0.01 to about 5 weight percent of one or more other lubricating oil additives,wherein the lubricating oil is essentially free of overbased metal detergents, andwherein the lubricating oil has an electrical conductivity of from about 50 pS/m to about 3,000 pS/m, and a kinematic viscosity of from about 2 cSt to about 20 cSt at 100° C.2. The lubricating oil of wherein the lubricating base oil comprises a Group I base stock claim 1 , a Group II base stock claim 1 , a Group III base stock claim 1 , a Group IV base stock claim 1 , a Group V base stock claim 1 , ...

LUBRICATING OIL COMPOSITION

A lubricating oil composition for reducing low-speed pre-ignition events or improving oxidation in a spark-ignited direct injection engine is disclosed. The composition includes a detergent additive which comprises either: an oil-soluble sulfonate including both magnesium and calcium as cations; or an oil-soluble salicylate including both magnesium and calcium as cations. 1. A method for reducing low-speed pre-ignition events and/or improving oxidation performance in a spark-ignited direct injection internal combustion engine , the method comprising lubricating the crankcase of the engine with a lubricating oil composition which comprises a detergent additive comprising an oil-soluble basic organic acid salt including at least magnesium and calcium as cations , wherein the organic acid is a hydroxy benzoic acid or a sulfonic acid.2. The method as claimed in claim 1 , wherein the detergent additive is either: an oil-soluble sulfonate including at least magnesium and calcium as cations; or an oil-soluble hydroxy-benzoate including at least magnesium and calcium as cations claim 1 , preferably an oil-soluble salicylate including at least magnesium and calcium as cations.3. The method as claimed in claim 2 , wherein the detergent additive is an oil-soluble salicylate including at least magnesium and calcium as cations.4. The method of claim 1 , wherein the lubricating oil composition is a passenger car motor oil.5. The method of claim 2 , wherein the lubricating oil composition is a passenger car motor oil.6. The method of claim 1 , wherein the weight ratio of calcium to magnesium is 10:1 to 1:10.7. The method of claim 6 , wherein the weight ratio of calcium to magnesium is 1:1 to 1:3.8. The method of claim 2 , wherein the weight ratio of calcium to magnesium is 10:1 to 1:10.9. The method of claim 8 , wherein the weight ratio of calcium to magnesium is 1:1 to 1:3.10. The method of claim 3 , wherein the weight ratio of calcium to magnesium is 10:1 to 1:10.11. The method ...

Lubricating Composition

The invention provides a lubricating composition containing an oil of lubricating viscosity and a N-acylated aromatic amine compound. The invention further relates to methods of lubricating an internal combustion engine by supplying the described lubricating composition to the internal combustion engine. The invention further relates to the use of the N-acylated aromatic amine compound as a TBN booster. 1. A lubricating composition comprising (a) an oil of lubricating viscosity and (b) an N-acylated aromatic amine compound , wherein the N-acylated aromatic amine compound has a total base number of at least 25.2. The composition according to claim 1 , wherein the N-acylated aromatic amine compound is the reaction product of an aromatic amine and an ethylenically unsaturated acylating agent.4. The composition according to claim 2 , wherein the ethylenically unsaturated acylating agent comprises (meth)acrylic acid claim 2 , derivatives thereof claim 2 , and mixtures.6. The composition of claim 1 , wherein the N-acylated aromatic amine compound is present at 0.05 wt % to 5 wt %.7. The composition of claim 1 , wherein the N-acylated aromatic amine compound is present in an amount sufficient to provide at least 0.25 mg KOH/g to the composition.8. The composition of claim 1 , wherein the N-acylated aromatic amine is obtained in the form of a Michael adduct.9. The composition of claim 1 , wherein 5% of the compositional TBN is derived from the N-acylated aromatic amine and 95% is derived from other TBN sources.10. The composition of claim 1 , wherein the N-acylated aromatic amine provides an oxidation induction time of at least 80 (min) as measured by ACEA E-5 L85-99.11. The composition of claim 1 , further comprising an overbased detergent in an amount to provide at least 3 mg KOH/g to the composition.12. The composition of claim 2 , wherein the aromatic amine is p-phenylenediamine.13. The composition of claim 4 , wherein the acylating agent is ethylhexyl acrylate.14. A ...

A LUBRICATED SYSTEM COMPRISING A DLC SURFACE

The present invention relates to a lubricated system comprising: a) a component comprising a first surface which is a diamond-like carbon (DLC) surface; b) a component comprising a second surface; and c) a lubricant formulation interposed between the first surface and second surface. The lubricant formulation comprises: i) a base stock; ii) a molybdenum compound; iii) an organic polymer comprising a hydrophobic polymeric sub unit selected from polyesters and functionalised polyolefins and a hydrophilic polymeric sub unit selected from polyethers; and iv) optionally, other additives. The combination of the molybdenum compound and the organic polymer in the lubricant formulation reduces the wear on one or more of the surfaces in the lubricated system when compared with using the molybdenum containing friction modifier alone. 1. A lubricated system comprising:a) a component comprising a first surface which is a diamond-like carbon (DLC) surface;b) a component comprising a second surface; and i) a base stock;', 'ii) a molybdenum compound;', 'iii) an organic polymer comprising a hydrophobic polymeric sub unit selected from polyesters and functionalised polyolefins and a hydrophilic polymeric sub unit selected from polyethers; and', 'iv) optionally, other additives., 'c) a lubricant formulation interposed between the first surface and second surface, wherein the lubricant formulation comprises2. A lubricated system according to wherein the presence of the organic polymer in the lubricant formulation reduces the wear which occurs on the first or second surface during operation of the lubricated system when compared with an equivalent lubricant formulation which comprises the molybdenum compound but does not comprise the organic polymer.3. A lubricated system according to wherein the second surface is a metal surface.4. A lubricated system according to wherein the lubricated system is an automotive engine.5. A lubricated system according to wherein the hydrophillic ...

Bridged Alkaline Earth Metal Alkylphenates

A bridged alkaline earth metal alkylphenate having reduced monomeric alkylphenol is prepared by reacting (a) a 4-alkylphenol, unsubstituted at the ortho positions, (b) an alkaline earth metal oxide or hydroxide, (c) a bridging agent comprising sulfur or a carbonyl compound of 1 to about 6, or to 4 or to 2, carbon atoms, and (d) a 2,6-dialkylphenol. The amount of the 2,6-dialkylphenol is 0.05 to 3 moles per 1 mole of the 4-alkylphenol; if there is a molar excess of the 2,6-dialkylphenol, then the excess is added after initial reaction. 2. The process of wherein the 4-alkylphenol comprises 4-dodecylphenol.3. The process of wherein the alkaline earth metal oxide or hydroxide comprises calcium hydroxide.4. The process of wherein the bridging agent comprises formaldehyde.5. The process of wherein the bridging agent comprises sulfur.6. The process of wherein the 2 claim 1 ,6-dialkylphenol comprises 2 claim 1 ,6-di-t-butylphenol.7. The process of wherein amount of the 2 claim 1 ,6-dialkylphenol is about 0.15 to about 0.5 moles per 1 mole of the 4-alkylphenol.8. The process of wherein the amount of the bridging compound is about 0.8 to about 4 moles per 1 mole of the 4-alkylphenol and wherein the amount of the alkaline earth metal oxide or hydroxide is about 0.1 to about 4 moles per 1 mole of the 4-alkylphenol.9. The process of wherein the components (a) through (d) are reacted at about 150° C. to about 230° C. for about 2 to about 10 hours.10. The process of wherein the 4-alkylphenol is reacted with at least a portion of the alkaline earth metal oxide or hydroxide and at least a portion of the bridging agent prior to addition of the 2 claim 1 ,6-dialkylphenol.11. The process of wherein claim 10 , in a first step claim 10 , about 0.1 to about 0.4 moles of calcium hydroxide and about 1 to about 3 moles of sulfur (as S) claim 10 , per mole of the 4-alkylphenol claim 10 , are reacted with the 4-alkylphenol at about 170 to about 230° C. for about 3 to about 7 hours claim 10 , ...

Lubricant oil composition for internal combustion engine

A lubricant oil composition for internal combustion engines with which further reduction of friction can be achieved to provide excellent fuel efficiency is provided. (A) A lubricant oil base oil having a kinematic viscosity at 100° C. of 2.0 to 5.0 mm 2 /s; (B) a molybdenum-based friction modifier in an amount of 0.005 to 0.2 mass % in terms of the mass of the molybdenum relative to the total mass of the composition; (C) a metal-based detergent in an amount of 0.01 to 1 mass % in terms of the mass of the metal relative to the total mass of the composition; and (D) 0.01 to 10 mass % of at least one compound selected from amino acids having a C 6-24 alkyl, alkenyl, or acyl group, and/or derivatives of the amino acids.

Giant electrorheological fluid surfactant additives

GER fluids are improved by the addition of a polar molecule additive. By addition of a polar molecule additive, yield stresses under electric field are improved by over 50% while the current density is reduced to less than a quarter of the original GER. The reversible response time still remains the same, and the sedimentation stability is greatly enhanced. The zero field viscosity of the modified GER fluid remains the same as that of the original GER fluid without the additive. The improved GER characteristics improve general functionality as an electrical-mechanical interface, attendant with applications to car clutches, fluid brakes, and vehicle shock absorbers.

METHOD FOR IMPROVING ENGINE FUEL EFFICIENCY

A method for improving fuel efficiency and friction reduction properties, while maintaining or improving deposit control, in an engine lubricated with a lubricating oil by using as the lubricating oil a formulated oil. The formulated oil has a composition including a lubricating oil base stock as a major component, and a tungsten organic complex as a minor component. Fuel efficiency and friction reduction properties are improved and deposit control is maintained or improved as compared to friction reduction properties and deposit control achieved using a lubricating engine oil containing a minor component other than the tungsten organic complex. A lubricating engine oil having a composition comprising a lubricating oil base stock as a major component, and a tungsten organic complex as a minor component. The lubricating engine oils are useful in internal combustion engines including direct injection, gasoline and diesel engines. 1. A method for improving fuel efficiency and friction reduction properties , while maintaining or improving deposit control , in an engine lubricated with a lubricating oil by using as the lubricating oil a formulated oil , said formulated oil having a composition comprising a lubricating oil base stock as a major component; and a metal-containing organic complex friction modifier , as a minor component; wherein the metal-containing organic complex friction modifier comprises a tungsten organic complex that provides between 20 parts per million (ppm) and 500 ppm of tungsten to the formulated oil; and wherein fuel efficiency and friction reduction properties are improved and deposit control is maintained or improved as compared to friction reduction properties and deposit control achieved using a lubricating engine oil containing a minor component other than the tungsten organic complex.2. The method of wherein the lubricating oil base stock comprises a Group I claim 1 , Group II claim 1 , Group III claim 1 , Group IV or Group V base oil.4. ...

LUBRICANT COMPOSITION

A lubricant composition which is capable of reducing friction, while ensuring anti-wear properties even if the viscosity thereof is decreased. A lubricant composition which contains a lubricant base oil, (A1) a metal salicylate and (B) a molybdenum-based friction regulator, and which is characterized in that: the amount of the component (B) is 500 to 1,500 ppm by mass in terms of the molybdenum concentration [B] in the lubricant composition; the component (A1) is calcium salicylate, magnesium salicylate or a combination thereof; the calcium concentration [Ca] based on the calcium salicylate in the lubricant composition is 0 to 1,800 ppm by mass; the magnesium concentration [Mg] based on the magnesium salicylate in the lubricant composition is 0 to 1,800 ppm by mass; and the total of the calcium concentration [Ca] and the magnesium concentration [Mg] is 200 to 3,000 ppm by mass. 1. A lubricant composition comprising:a lubricant base oil;(A1) a metal salicylate; and(B) a molybdenum-based friction modifier,whereinthe amount of component (B) is in a range of 500 to 1,500 ppm by weight in terms of a concentration [B] in ppm by weight of molybdenum in the lubricant composition,component (A1) is any one of calcium salicylate, magnesium salicylate, and a combination thereof,the amount of calcium salicylate is 0 to 1,800 ppm by weight in terms of a concentration [Ca] in ppm by weight of calcium derived from calcium salicylate in the lubricant composition,the amount of magnesium salicylate is 0 to 1,800 ppm by weight in terms of a concentration [Mg] in ppm by weight of magnesium derived from magnesium salicylate in the lubricant composition, anda total of [Ca] and [Mg] is in a range of 200 to 3,000 ppm by weight.2. The lubricant composition according to claim 1 , which further comprises a metallic detergent other than component (A1) as a metallic detergent (A) claim 1 ,wherein the weight of component (A1) based on the total weight of the metallic detergent (A) is in a range ...

LUBRICATING COMPOSITION

A lubricating oil composition comprising: 1. A lubricating oil composition comprising:(a) a base oil composition comprising a Fischer-Tropsch derived base oil; and(b) an organic molybdenum compound;(c) 30 wt % or less solvency booster;(d) antioxidant selected from aminic antioxidants, phenolic antioxidants, and mixtures thereof;(e) detergent comprising alkaline earth metal salicylate.2. A lubricating oil composition according to wherein the organic molybdenum compound is a sulphur-containing organic molybdenum compound.3. A lubricating oil composition according to wherein the sulphur-containing organic molybdenum compound is selected from molybdenum dithiophosphate claim 2 , molybdenum dithiocarbamate and mixtures thereof.4. A lubricating oil composition according to any of to wherein the detergent comprises (i) an alkaline earth metal salicylate having a TBNE (total base number equivalent claim 2 , as determined by ASTM D2896) in the range of from 50 to 150; (ii) an alkaline earth metal salicylate having a TBNE in the range of from 150 to 250; and (iii) an alkaline earth metal salicylate having a TBNE in the range of from 250 to 400.5. A lubricating oil composition according to any of to wherein the solvency booster is selected from alkylated naphthalenes claim 2 , alkyl benzenes claim 2 , naphthenics claim 2 , esters claim 2 , and mixtures thereof.6. A lubricating oil composition according to any of to wherein the solvency booster is present at a level of from 1 wt % to 20 wt % claim 2 , by weight of the lubricant composition.7. A lubricating oil composition according to any of to claim 2 , wherein the antioxidant is an aminic antioxidant claim 2 , preferably a diphenylamine.8. A lubricating oil composition according to any of to wherein the alkaline earth metal salicylates are calcium salicylates.9. A lubricating oil composition according to any of to comprising one or more zinc-based anti-wear additives.10. A lubricating oil composition according to any of to ...

LUBRICATING COMPOSITION CONTAINING AN OXYALKYLATED HYDROCARBYL PHENOL

The invention provides lubricating composition comprising: an oil of lubricating viscosity, and an oxyalkylated hydrocarbyl phenol, wherein the oxyalkylated hydrocarbyl phenol is substituted with at least one aliphatic hydrocarbyl group of 40 to 96 carbon atoms, and wherein the oxyalkylated hydrocarbyl phenol is substantially free of aromatic hydrocarbyl groups. The invention further relates to a method of lubricating a mechanical device (such as an internal combustion engine) with the lubricating composition. The invention further relates to the use of the oxyalkylated hydrocarbyl phenol in the lubricating composition to a passenger car internal combustion engine at least one of (i) control of fuel economy, (ii) control of corrosion, (iii) cleanliness, and (iv) control of bore wear. 129-. (canceled)31. The composition according to claim 30 , wherein m=1; and{'sup': '4', 'Ris a hydrocarbyl group of 35 to 140 carbon atoms.'}32. The composition according to claim 31 , wherein n=2 to 8;{'sup': 2', '2, 'one Ris methyl, and the second Ris hydrogen; and'}{'sup': '4', 'Ris a polyalk(en)yl group.'}33. The composition of claim 31 , wherein the Rgroup is located on the phenol in the para-position relative to the oxyalkylated group.34. The composition of claim 31 , wherein Ris a polyisobutenyl group.35. The composition of claim 30 , wherein the oxyalkylated hydrocarbyl phenol is present in an amount ranging from 0.1 wt % to 5 wt % of the lubricating composition.36. The composition of further comprising an overbased detergent claim 30 , wherein the overbased detergent is selected from the group consisting of non-sulphur containing phenates claim 30 , sulphur containing phenates claim 30 , sulphonates claim 30 , salixarates claim 30 , salicylates claim 30 , and mixtures thereof.37. The composition of claim 36 , wherein the overbased detergent is selected from the group consisting of non-sulphur containing phenates claim 36 , sulphur containing phenates claim 36 , sulphonates and ...

Lubricants With Calcium-Containing Detergents and Their Use for Improving Low-Speed Pre-Ignition

A lubricating oil composition and method of operating a boosted internal combustion engine. The lubricating oil composition includes greater than 50 wt. % of a base oil, one or more overbased calcium sulfonate detergent(s) and one or more overbased calcium phenate detergent(s). The calcium, boron, nitrogen, and amount of soap are maintained within certain ratios, and the total base number contribution from all detergents to the lubricating oil composition is less than 4.2 mg KOH/g of the lubricating oil composition, as measured by the method of ASTM D-2896. The lubricating oil composition and method may be effective to reduce low-speed pre-ignition events in a boosted internal combustion engine lubricated with the lubricating oil composition relative to capable lubricating oil compositions. 1. A lubricating oil composition comprising:greater than 50 wt. % of a base oil of lubricating viscosity, based on a total weight of the lubricating oil composition;one or more overbased calcium sulfonate detergent(s) having a total base number of greater than 225 mg KOH/g, measured by the method of ASTM D-2896, andone or more overbased calcium phenate detergent(s) having a total base number of greater than 170 mg KOH/g, measured by the method of ASTM D-2896,wherein a ratio of the ppm of calcium in the lubricating oil composition from the one or more overbased calcium sulfonate detergent(s) to the ppm of calcium in the lubricating oil composition from the one or more overbased calcium phenate detergent(s) is greater than 1.20 to less than about 1.51,a ratio of total ppm of nitrogen in the lubricating oil composition to total wt. % of soap from the detergents in the lubricating oil composition is greater than about 2080, anda total base number contribution from all detergents is less than 4.2 mg KOH/g of the lubricating oil composition, as measured by the method of ASTM D-2896.2. The lubricating oil composition of claim 1 , wherein a ratio of total ppm of calcium in the ...

LUBRICANTS WITH CALCIUM AND MAGNESIUM-CONTAINING DETERGENTS AND THEIR USE FOR IMPROVING LOW-SPEED PRE-IGNITION AND FOR CORROSION RESISTANCE

A lubricating oil composition and method of operating a boosted internal combustion engine with reduced low-speed pre-ignition events and corrosion resistance. The oil composition includes a base oil, one or more overbased calcium sulfonate detergents, one or more overbased calcium phenate detergents, and one or more overbased magnesium-containing detergents. A ratio of ppm of calcium to TBN of the oil composition is less than 170; a ratio of ppm of magnesium to total soap content in wt. % is greater than 700; and there are limited amounts of boron and molybdenum, and all weight percentages and ppm values being based on the total weight of the oil composition. The compositions give low LSPI ratios and pass the Ball Rust test. 1. A lubricating oil composition comprising:greater than 50 wt. % of a base oil of lubricating viscosity, based on a total weight of the lubricating oil composition;one or more overbased calcium sulfonate detergents having a total base number of greater than 225 mg KOH/g, measured by the method of ASTM D-2896;one or more overbased calcium phenate detergents having a total base number of greater than 170 mg KOH/g, measured by the method of ASTM D-2896; andone or more overbased magnesium-containing detergents; and;wherein a ratio of the amount of calcium in ppm by weight, based on the total weight of the lubricating oil composition to a total base number of the lubricating oil composition measured by the method of ASTM D-2896, is less than 170;a ratio of magnesium in ppm by weight, based on a total weight of the lubricating oil composition, to total soap content in wt. %, based on a total weight of the lubricating oil composition, is greater than 700;an amount of boron in the lubricating oil composition is less than 300 ppm by weight, based on the total weight of the lubricating oil composition; andan amount of molybdenum in the lubricating oil composition is less than 330 ppm by weight, based on the total weight of the lubricating oil ...

Lubricants With Overbased Calcium and Overbased Magnesium Detergents and Method for Improving Low-Speed Pre-Ignition

A lubricating oil composition and method of operating a boosted internal combustion engine. The lubricating oil includes greater than 50 wt. % of a base oil, one or more overbased calcium-containing detergents, one or more overbased magnesium-containing detergents and one or more molybdenum compounds and leads to a more than 60% reduction in LSPI compared to the LSPI of a reference oil and passes the Ball Rust Test. The ratio of wt % calcium from the overbased detergents to wt. % of magnesium from the overbased detergents is less than 11.9. A ratio of total ppm of magnesium to total TBN of the lubricating oil in mg KOH/g is greater than 19. A ratio of the total ppm of calcium to the total TBN of the lubricating oil is less than 222. The oil and method may reduce low-speed pre-ignition events in a boosted internal combustion relative to commercially available lubricating oils. 1. A lubricating oil composition comprising:greater than 50 wt. % of a base oil of lubricating viscosity, based on a total weight of the lubricating oil composition;a sufficient amount of one or more overbased calcium-containing detergents having a total base number of greater than 225 mg KOH/g, measured by the method of ASTM D-2896, to provide greater than 1000 ppm calcium to the lubricating oil composition;one or more overbased magnesium-containing detergents having a total base number of greater than 225 mg KOH/g, measured by the method of ASTM D-2896, wherein the total amount of magnesium provided by the one or more overbased magnesium-containing detergents to the lubricating oil composition 50-1500 ppm; andone or more molybdenum compounds providing a total amount of molybdenum to the lubricating composition of 25-1000 ppm;wherein a ratio of the wt. % of calcium in the lubricating oil composition from the one or more overbased calcium-containing detergents to the wt. % of magnesium in the lubricating oil composition from the one or more overbased magnesium-containing detergents is less than ...

METHOD FOR IMPROVING ENGINE FUEL EFFICIENCY

A method for improving fuel efficiency and reducing frictional properties while maintaining or improving deposit control, in an engine lubricated with a lubricating oil by using as the lubricating oil a formulated oil. The formulated oil has a composition including from 75 to 95 wt % of lubricating oil base stock including a Group I base stock or a combination of a Group III, Group IV and Group V base stock including from 30 to 35 wt % Group III, 45 to 55 wt % Group IV and 0 to 5 wt % Group V and a friction modifier mixture comprising a polymeric ethoxylated fatty acid ester at from 0.1 to 1.0 wt. % and a mixed glyceride ester at from 0.1 to 1.0 wt. % of the formulated oil. The lubricating engine oils are useful in internal combustion engines including direct injection, gasoline and diesel engines. 1. A method for improving fuel efficiency and reducing frictional properties , while maintaining or improving deposit control , in an engine lubricated with a lubricating oil by using as the lubricating engine oil a formulated oil , said formulated oil having a composition comprising:from 75 to 95 wt % of lubricating oil base stock including a Group I base stock or a combination of a Group III, Group IV and Group V base stock comprising from 30 to 35 wt % Group III, 45 to 55 wt % Group IV and 0 to 5 wt % Group V;a friction modifier mixture comprising a polymeric ethoxylated fatty acid ester at from 0.1 to 1.0 wt. % and a mixed glyceride ester at from 0.1 to 1.0 wt. %, andwherein the remainder of the lubricating engine oil includes one or more other lubricating oil additives;wherein fuel efficiency and friction reduction properties are improved (mini-traction machine (MTM) in Stribeck mode friction coefficient at 140° C. less than or equal to 0.20) and deposit control is maintained or improved (TEOST 33C total deposits less than or equal to 40 mg) as compared to friction reduction properties and deposit control achieved using a lubricating engine oil not containing the ...

Lubricant Composition

The lubricant composition of this invention comprises a base oil and an additive, which is at least one selected from the group consisting of an organic sulfonate, a carboxylate, a thiocarbamate and a thiophosphoric acid ester salt. The lubricant composition can effectively suppress hydrogen embrittlement-caused flaking of an element, such as a rolling bearing, a sliding bearing, a gear, a ball thread, a linear guide, a linear bearing, a cam and various joints in a high concentration hydrogen environment. The invention provides also a rolling bearing, a sliding bearing, a gear, a ball thread, a linear guide, a linear bearing, a cam and various joints using the lubricant composition. 1. A method for suppressing hydrogen embrittlement-caused flaking of an element , comprising lubricating the element with a lubricant composition in a hydrogen existing environment , in which hydrogen is actively introduced , wherein the lubricant composition comprising a base oil and an additive , wherein the additive is at least one selected from the group consisting of an organic sulfonate , a carboxylate , a thiocarbamate and a thiophosphoric acid ester salt.2. The method according to claim 1 , wherein the organic sulfonate is represented by the following general formula (1) claim 1 ,{'br': None, 'sup': 1', '1, 'sub': 3', 'n1, '[R—SO]M\u2003\u2003(1)'}{'sup': '1', 'wherein Rrepresents an alkyl group, an alkenyl group, an alkylnaphthyl group, a dialkylnaphthyl group, an alkylphenyl group and a petroleum high boiler residual group;'}{'sup': 1', '1, 'the alkyl or alkenyl is linear or branched and has 1 to 22 carbon atoms; Mrepresents an alkali metal, an alkaline earth metal, zinc or an ammonium ion; and n1 represents the valence of M.'}3. The method according to claim 1 , wherein the carboxylate is represented by the following general formula (2) claim 1 ,{'br': None, 'sup': 2', '2, 'sub': 'n2', '[R—COO]M\u2003\u2003(2)'}{'sup': '2', 'wherein Rrepresents an alkyl group, an alkenyl group ...

COMPOSITION OF INTERNAL LUBRICANT FOR COLD PILGERING

Disclosed is a composition of a lubricant for cold pilgering of zirconium alloy tubes. More particularly, disclosed is a composition of an internal lubricant for cold pilgering of a zirconium alloy cladding tube, the composition exhibiting excellent lubricity and decomposition against microbes. 1. A composition of a lubricant for cold pilgering , the composition comprising:a base oil;a lubricity enhancer;an anti-wear agent; andan anti-decomposition agent,wherein the lubricity enhancer is a vegetable wax and is included 1.0 to 1.4% by weight.2. The composition of claim 1 , wherein the vegetable wax is Brazil wax.3. The composition of claim 1 , wherein the anti-wear agent is included 1.4 to 1.8% by weight.4. The composition of claim 1 , wherein the anti-decomposition agent is included 0.8 to 1.2% by weight.5. The composition of claim 1 , wherein the anti-wear agent comprises at least one selected from benzenesulfonic acid claim 1 , Cto Calkyl groups claim 1 , calcium salts claim 1 , sulfuric acid claim 1 , and Cto Calkyl derivatives.6. The composition of claim 1 , wherein the anti-decomposition agent comprises at least one selected from 1 claim 1 ,2-benzisothiazolin-3-one claim 1 , potassium hydroxide claim 1 , sodium hydroxide claim 1 , ethylene glycol claim 1 , and dihydrogen oxide. The present application claims priority to Korean Patent Application No. 10-2020-0012549, filed Feb. 3, 2020, the entire contents of which is incorporated herein for all purposes by this reference.The present invention relates generally to a composition of a lubricant for cold pilgering of zirconium alloy tubes. More particularly, the present invention relates to a composition of an internal lubricant for cold pilgering of a-zirconium alloy cladding tube, the composition exhibiting excellent lubricity, extreme pressure resistance, and wear resistance.In a nuclear fuel assembly, cladding tubes serve to protect UOsintered pellets by separating the UOsintered pellets from cooling water in a ...

TRACTOR HYDRAULIC FLUID COMPOSITIONS

Lubricating oil compositions comprising neutral or low overbased alkaryl sulfonate calcium salts, hydrocarbyl polyalcohol, and zinc dialkyl dithiophosphate for use as tractor hydraulic fluids. 1. A tractor hydraulic fluid composition comprising:(a) a major amount of an oil of lubricating viscosity; (i) at least one neutral or low overbased alkaryl sulfonate calcium salt, wherein the alkaryl group is an aryl group substituted with an alkyl group derived from propylene or isobutylene oligomers; and', '(ii) at least one neutral or low overbased alkaryl sulfonate calcium salt, wherein the alkaryl group is an aryl group substituted with an alkyl group derived from at least one normal alpha olefin or an isomerized normal alpha olefin, said olefin having from about 18 to about 30 carbon atoms;, '(b) a detergent composition comprising'} 'wherein the at least one hydrocarbyl polyalcohol is (a) 0.01 to 5 weight percent of the tractor hydraulic fluid composition and (b) not glycerol; and', '(c) at least one hydrocarbyl polyalcohol,'} 'wherein the phosphorus content from the at least one zinc dialkyl dithiophosphate having secondary alkyl groups is at least 30 weight percent of the phosphorus content derived from all zinc dialkyl dithiophosphate present in the tractor hydraulic fluid composition.', '(d) at least one zinc dialkyl dithiophosphate having secondary alkyl groups;'}2. The tractor hydraulic fluid composition of claim 1 , wherein the alkaryl group of the at least one neutral or low overbased alkaryl sulfonate calcium salt of (b)(i) or (b)(ii) is an alkyl-substituted benzene group or alkyl-substituted tolyl group.3. The tractor hydraulic fluid composition of claim 1 , wherein the at least one alkaryl sulfonate calcium salt of (b)(i) or (b)(ii) is neutral.4. The tractor hydraulic fluid composition of claim 1 , wherein the at least one alkaryl sulfonate calcium salt of (b)(i) or (b)(ii) is low overbased.5. The tractor hydraulic fluid composition of claim 1 , wherein each ...

Calcium Hydroxyapatite Based Sulfonate Grease Compositions and Method of Manufacture

An overbased calcium sulfonate grease composition comprising a reduced amount of overbased calcium sulfonate, calcium hydroxyapatite, base oil, one or more converting agents, and one or more complexing acids if a complex grease is desired. The calcium sulfonate grease composition improves thickener yield and expected high temperature utility as demonstrated by dropping point. A method of making the composition comprising the steps of mixing the calcium sulfonate and base oil, adding the calcium carbonate either before or after conversion, adding one or more converting agents, and adding one or more complexing acids. All or a portion of one or more of the complexing acids may be added with or prior to the one or more converting agents. 1. A calcium sulfonate grease composition comprising the following ingredients: overbased oil-soluble calcium sulfonate and calcium hydroxyapatite.2. The calcium sulfonate grease composition according to comprising less than 36% overbased oil-soluble calcium sulfonate.3. The calcium sulfonate grease composition according to wherein the grease has a worked 60 stroke penetration between 265 and 295 and a dropping point of 575 F or higher.4. The calcium sulfonate grease composition according to wherein the grease is a complex grease and comprises between 25% and 32% overbased oil-soluble calcium sulfonate.5. The calcium sulfonate grease composition according to further comprising the following ingredients: at least one converting agent and at least one complexing acid.6. The calcium sulfonate grease composition according to wherein the amount of calcium hydroxyapatite is stoichiometrically insufficient to neutralize all of the complexing acid.7. The calcium sulfonate grease composition according to further comprising one or more other basic calcium compounds selected from the group consisting of: calcium hydroxide claim 6 , calcium oxide claim 6 , added calcium carbonate or any combination thereof in a total amount sufficient to ...

LUBRICANTS FOR USE IN BOOSTED ENGINES

A lubricating oil composition and method of operating a boosted internal combustion engine. The lubricating oil composition is formulated to be resistant to turbocharger deposit formation in the boosted internal combustion engine, as shown by its ability to ensure a TCO Temperature Increase of less than 9.0% as measured using the 2015 version of the General Motors dexos1® Turbocharger Coking Test. The lubricating oil composition may also have a low NOACK volatility, as measured by the method of ASTM D-5800 at 250° C. 1. A lubricating oil composition comprising:greater than 50 wt. % of a base oil of lubricating viscosity and one or more metal-containing detergent(s);wherein a ratio of total metal from the one or more metal-containing detergent(s) in ppm in the lubricating oil composition to the total nitrogen in ppm in the lubricating oil composition is less than 1.9;a ratio of total metal from the one or more metal-containing detergent(s) in ppm in the lubricating oil composition to the total boron in ppm in the lubricating oil composition is less than 7.5; anda ratio of total metal from the one or more metal-containing detergent(s) in ppm in the lubricating oil composition to the total molybdenum in ppm in the lubricating oil composition is less than 23.8;the lubricating oil composition has a NOACK volatility as measured by the method of ASTM D-5800 at 250° C. of less than 11.0 wt. %, and the lubricating oil composition is effective to ensure a TCO Temperature Increase of less than 9.0% as measured using the 2015 version of the General Motors dexos1® Turbocharger Coking Test.2. The lubricating oil composition according to claim 1 , wherein the ratio of total metal from the one or more metal-containing detergent(s) in ppm in the lubricating oil composition to the total nitrogen in ppm in the lubricating oil composition is less than 1.8.3. The lubricating oil composition according to claim 1 , wherein the ratio of total metal from the one or more metal-containing ...

MARINE DIESEL LUBRICATING COMPOSITION

The invention provides a method of lubricating a 2-stroke marine diesel cylinder liner with a lubricating composition having a total base number of 10 to 25 mg KOH/g. The invention further provides a lubricating composition for lubricating the 2-stroke marine diesel cylinder liner. 1. (canceled)2. (canceled)3. (canceled)4. (canceled)6. (canceled)7. The lubricating composition of further comprising a dispersant chosen from a succinate claim 5 , a succinimide claim 5 , a succinamide claim 5 , or mixtures thereof.8. (canceled)9. (canceled)10. The lubricating composition of claim 7 , wherein the dispersant comprises a dispersant package comprises:0.1 wt % to 4 wt % of a borated polyisobutylene succinimide dispersant, wherein the polyisobutylene from which the borated polyisobutylene succinimide is derived has a number average molecular weight of 550 to 2500, and0.1 wt % to 6 wt %, of a non-borated polyisobutylene succinimide, wherein the polyisobutylene from which polyisobutylene succinimide is derived has a number average molecular weight of 350 to 5000.11. The lubricating composition of claim 5 , wherein the lubricating composition does not contain an antioxidant or corrosion inhibitor.12. The lubricating composition of claim 5 , wherein the lubricating composition disclosed herein does not contain a foam inhibitor claim 5 , a demulsifier claim 5 , a pour point depressant or mixtures thereof.13. The lubricating composition of claim 5 , wherein further comprising zinc dialkyldithiophosphate typically present at 0.1 wt % to 5 wt % of the lubricating composition.14. The lubricating composition of claim 5 , wherein the lubricating composition disclosed herein does not contain zinc dialkyldithiophosphate.15. (canceled)16. (canceled)17. (canceled)18. (canceled)19. The lubricating composition of claim 5 , wherein the oil of lubricating viscosity is an API Group I or II claim 5 , or mixtures thereof base oil.20. The lubricating composition of claim 5 , wherein the lubricating ...

Lubricating Oil Composition

Disclosed is a lubricating oil composition comprising: a lubricating base oil comprising 0.5% to 70% by mass of an ester base oil based on the total amount of the lubricating base oil, and having a kinematic viscosity at 40° C. of 18 to 28 mm/s; and an organic molybdenum compound in an amount of 100 to 1000 mass ppm in terms of the molybdenum element based on the total amount of the lubricating oil composition, wherein the lubricating oil composition has a kinematic viscosity at 40° C. of 50 mm/s or less. 1. A lubricating oil composition comprising:{'sup': '2', 'a lubricating base oil comprising 0.5% to 70% by mass of an ester base oil based on the total amount of the lubricating base oil, and having a kinematic viscosity at 40° C. of 18 to 28 mm/s; and'}an organic molybdenum compound in an amount of 100 to 1000 mass ppm in terms of molybdenum element based on the total amount of the lubricating oil composition, wherein{'sup': '2', 'the lubricating oil composition has a kinematic viscosity at 40° C. 10 of 50 mm/s or less.'}2. The lubricating oil composition according to claim 1 , further comprising 2% by mass or more of a copolymer consisting of an α-olefin and an ester monomer having a polymerizable unsaturated bond based on the total amount of the lubricating oil composition claim 1 , wherein the weight-average molecular weight of the copolymer is 2000 to 20000.3. The lubricating oil composition according to claim 1 , further comprising a boron-containing dispersant in an amount of 100 to 500 mass ppm in terms of boron element based on the total amount of the lubricating oil composition.4. The lubricating oil composition according to claim 1 , wherein the lubricating oil composition is used for a hypoid gear.5. The lubricating oil composition according to claim 1 , wherein the lubricating base oil comprises a synthetic base oil comprising a poly-α-olefin. The present invention relates to a lubricating oil composition.In recent years, in order to cope with ...

LUBRICATING OIL COMPOSITION

A lubricating oil composition comprising (A) a lubricating oil base oil the kinematic viscosity of which at 100° C. is in the range of from 1.4 to 6 mm/s, (B) from 250 to 2000 ppm in terms of molybdenum of a molybdenum dialkyldithiocarbamate, (C) from 20 to 500 ppm in terms of sulphur of tetrabenzyl thiuram disulphide and (D) from 0.05 to 3.0 mass % of an amine. The lubricating oil composition of the present invention has a superior friction reducing effect and which has a superior fuel economy effect. 2. The lubricating oil composition according to wherein the lubricating oil base oil (A) comprises at least one selected from the group consisting of:{'sup': '2', '(A1) mixed mineral oil base oils the kinematic viscosity of which at 100° C. is in the range of from 1.4 to 6 mm/s,'}{'sup': '2', '(A2) polyalphaolefins, alphaolefin oligomers or mixtures thereof the kinematic viscosity of which at 100° C. is in the range of from 2 to 8 mm/s,'}{'sup': '2', '(A3) hindered esters, diesters or mixtures thereof the kinematic viscosity of which at 100° C. is in the range of from 1.4 to 12 mm/s and'}{'sup': '2', '(A4) lubricating oil base oils the kinematic viscosity of which at 100° C. is in the range of from 7 to 50 mm/s.'}3. The lubricating oil composition according to further comprising at least one additive selected from the group consisting of metallic detergents claim 1 , ashless dispersants claim 1 , zinc dialkyldithiophosphates claim 1 , rust preventatives claim 1 , metal deactivators claim 1 , viscosity index improvers claim 1 , pour point depressants and defoamers.4. The lubricating oil composition according to wherein the lubricating base oil comprises (A1) claim 2 , and wherein (A1) is selected from the group consisting of a Group II base oil claim 2 , a Group III base oil claim 2 , and a mixture thereof.5. The lubricating oil composition according to wherein the lubricating base oil comprises (A4) claim 2 , and wherein (A4) is selected from the group consisting of a ...

OVERBASED ALKYLATED ARYLALKYL SULFONATES

An overbased alkylated arylalkyl sulfonate is easy to prepare and is useful as a detergent in various lubricant applications. 3. The lubricating composition of claim 1 , wherein the overbased salt a TBN of about 10 to about 1100 on an oil-free basis.4. The lubricating composition of wherein the overbased salt is a carbonated metal salt.5. The lubricating composition of wherein the cation of the overbased salt comprises a calcium claim 1 , magnesium claim 1 , or sodium cation.6. The lubricating composition of wherein the Rgroups in the SOcontaining substituent of the overbased salt are H and n+m is about 8 to about 187. The lubricating composition of claim 1 , wherein the Rgroups in Rof the overbased salt are H and o+p is about 7 to about 17.8. The lubricant composition of wherein one or two of R claim 1 , R claim 1 , and Rof the overbased salt are methyl groups.10. The lubricant composition of wherein the overbased salt comprises about 90 percent or more by weight of the total detergents in the lubricant composition.11. The lubricant composition of further comprising at least one dispersant claim 1 , friction modifier claim 1 , antiwear agent claim 1 , antioxidant claim 1 , viscosity modifier claim 1 , or additional overbased salt.12. A method for lubricating a mechanical device claim 1 , comprising supplying thereto the lubricant composition of .13. The method of wherein the mechanical device comprises an internal combustion engine claim 12 , a transmission claim 12 , a gear claim 12 , or a hydraulic system.15. The method of wherein the sulfonic acid or reactive equivalent thereof is reacted with an excess of calcium hydroxide claim 14 , calcium oxide claim 14 , magnesium hydroxide claim 14 , magnesium oxide claim 14 , sodium hydroxide claim 14 , or sodium oxide. This application is a continuation of application Ser. No. 13/520,260 filed on Oct. 8, 2012 which claims priority from PCT application Ser. No. PCT/US2011/020736 filed on Jan. 11, 2011 and which claims ...

METHOD FOR LUBRICATING SURFACES

A method of lubricating the contact between a first surface coated with a hydrogenous carbon film or coating of type a-C:H, ta-C:H, a-C:H:Me or a-C:H:X, as classified by VDI-Standard VDI 2840 and a second ferrous, preferably steel surface. The method comprises supplying to said contact a lubricating oil composition comprising a major amount of an oil of lubricating viscosity and (a) an oil-soluble or oil-dispersible molybdenum compound in an amount such as to provide between 150 and 1000 ppm by weight of molybdenum to the lubricating oil composition, and (b) between 0.1 and 5% by weight with respect to the weight of the lubricating oil composition of a polymeric organic friction modifier, the organic friction modifier being the reaction product of (i) a functionalised polyolefin, (ii) a polyether, (iii) a polyol and (iv) a monocarboxylic acid chain terminating group. 1. A method of lubricating the contact between a first surface coated with a hydrogenous carbon film or coating of type a-C:H , ta-C:H , a-C:H:Me or a-C:H:X , as classified by VDI-Standard VDI 2840; and a second , ferrous surface , which method comprises supplying to said contact a lubricating oil composition comprising a major amount of an oil of lubricating viscosity and (a) an oil-soluble or oil-dispersible molybdenum compound in an amount such as to provide between 150 and 1000 ppm by weight of molybdenum to the lubricating oil composition , and (b) between 0.1 and 5% by weight with respect to the weight of the lubricating oil composition of a polymeric organic friction modifier , the organic friction modifier being a reaction product of (i) a functionalised polyolefin , (ii) a polyether , (iii) a polyol and (iv) a monocarboxylic acid chain terminating group.2. The method of wherein the oil-soluble molybdenum compound (a) is present in an amount such as to provide between is present in an amount such as to provide between 300 and 1000 ppm by weight of molybdenum to the lubricating oil composition.3. ...

LOW VISCOSITY LUBRICATING OIL COMPOSITION

A lubricating oil composition having a high temperature high shear (HTHS) viscosity at 150° C. in a range of about 1.3 to about 2.3 cP is disclosed. The composition comprises (a) a major amount of an oil of lubricating viscosity having a kinematic viscosity at 100° C. in a range of 1.5 to 6.0 mm/s; and (b) a molybdenum-succinimide complex providing 200 to 1500 ppm by weight of molybdenum to the lubricating oil composition. 1. A lubricating oil composition having a HTHS viscosity at 150° C. in a range of about 1.3 to about 2.3 cP , comprising:{'sup': '2', '(a) a major amount of an oil of lubricating viscosity having a kinematic viscosity at 100° C. in a range of 1.5 to 6.0 mm/s; and'}(b) a molybdenum-succinimide complex providing 200 to 1500 ppm by weight of molybdenum to the lubricating oil composition, wherein the molybdenum-succinimide complex is the only source of molybdenum in the lubricating oil composition; andfurther wherein the lubricating oil composition is a 0W-8, 0W-12 or 0W-16 SAE viscosity grade.2. (canceled)3. The lubricating oil composition of claim 1 , wherein the oil of lubricating viscosity is a base oil selected from one or more of API Group II claim 1 , Group III claim 1 , Group IV claim 1 , and Group V.4. The lubricating oil composition of claim 1 , wherein the succinimide is a Cto Calkyl or alkenyl succinimide.5. The lubricating oil composition of claim 1 , wherein the succinimide is a polyisobutenyl succinimide and the polyisobutenyl succinimide is a reaction product of a Cto Cpolyisobutenyl succinic anhydride and a polyalkylene polyamine selected from triethylenetetramine claim 1 , tetraethylenepentamine claim 1 , and combinations thereof.6. The lubricating oil composition of claim 1 , wherein the molybdenum-succinimide complex is a sulfurized molybdenum-succinimide complex.7. The lubricating oil composition of claim 1 , wherein the molybdenum-succinimide complex is an unsulfurized molybdenum-succinimide complex.8. The lubricating oil ...

LUBRICANT COMPOSITIONS FOR DIRECT INJECTION ENGINES

The invention is directed to a method for reducing low speed pre-ignition events in a spark-ignited direct injection internal combustion engine by supplying to the sump a lubricant composition which contains an oil of lubricating viscosity and an overbased sodium detergent. The metal overbased detergent may be selected from sulfonate detergents, phenate detergents, and salicylate detergents, including sulfonate detergents with a metal ratio of at least 5. 1. A method for reducing low speed pre-ignition events in a spark-ignited direct injection internal combustion engine comprising supplying to the engine a lubricant composition comprising a base oil of lubricating viscosity and an overbased sodium detergent.2. The method of claim 1 , wherein the engine is operated under a load with a break mean effective pressure (BMEP) of greater than or equal to 10 bars.3. The method of claim 1 , wherein the engine is operated at speeds less than or equal to 3 claim 1 ,000 rpm.4. The method of claim 1 , wherein the engine is fueled with a liquid hydrocarbon fuel claim 1 , a liquid nonhydrocarbon fuel claim 1 , or mixtures thereof.5. The method of claim 4 , wherein the engine is fueled by natural gas claim 4 , liquefied petroleum gas (LPG) claim 4 , compressed natural gas (CNG) claim 4 , or mixtures thereof.6. The method of claim 1 , wherein the overbased sodium detergent comprises one or more of a sulfonate detergent claim 1 , a phenate detergent claim 1 , a salicylate detergent claim 1 , and combinations thereof.7. The method of claim 1 , wherein the lubricant composition further comprises at least one other additive selected from an ashless dispersant claim 1 , an ashless antioxidant claim 1 , a phosphorus-containing anti-wear additive claim 1 , a friction modifier claim 1 , a polymeric viscosity modifier claim 1 , and a metal-containing detergent other than a sodium detergent8. The method of claim 6 , wherein the overbased sodium detergent comprises a sulfonate detergent.9. ...

ORGANOSILOXANE COMPOSITIONS

A copolymer of polyalkylphenyl siloxane and alkylfluoroalkyl siloxane obtainable by reacting a dispersion of ingredient (i) an alkylfluoroalkyl siloxane and ingredient (ii) one or more polyalkylphenyl siloxane(s) in the presence of ingredient (iii) a basic catalyst at a temperature of between 40° C. to 300° C. 3. The copolymer of polyalkylphenyl siloxane and alkylfluoroalkyl siloxane in accordance with claim 1 , wherein:{'sup': 2', '−1', '2', '−1, 'a) the alkylfluoroalkyl siloxane is linear or branched and has viscosity of from 100 cst to 100,000 cst (100 mmsto 100,000 mms) at 25° C. with a capillary viscometer according to ASTM D445-06;'}{'sup': 2', '−1', '2', '−1, 'b) the polyalkylphenyl siloxane has a viscosity of from 250 cst to 50,000 cst (250 mmsto 50,000 mms) at 25° C. with a capillary viscometer according to ASTM D445-06; or'}c) both a) and b).4. The copolymer of polyalkylphenyl siloxane and alkylfluoroalkyl siloxane in accordance with claim 1 , wherein the alkylfluoroalkyl siloxane is cyclic and n is from 3 to 15.5. The copolymer of polyalkylphenyl siloxane and alkylfluoroalkyl siloxane in accordance with claim 1 , wherein Ris a perfluoroalkyl group which is either linear or branched and contains from 1 to 12 carbon atoms claim 1 , alternatively wherein the perfluoroalkyl group is selected from perfluoromethyl claim 1 , perfluoroethyl claim 1 , perfluoro-n-propyl claim 1 , perfluoro-iso-propyl claim 1 , perfluoro-n-butyl claim 1 , perfluoro-iso-butyl claim 1 , perfluoro-tert-butyl claim 1 , perfluoro-n-pentyl claim 1 , perfluoro-isopentyl claim 1 , perfluoroneo-pentyl claim 1 , perfluorohexyl claim 1 , perfluoroheptyl claim 1 , perfluorooctyl claim 1 , perfluorononyl claim 1 , perfluorodecyl claim 1 , perfluoroundecyl and perfluorododecyl or a mixture thereof.6. (canceled)7. (canceled)8. The copolymer of polyalkylphenyl siloxane and alkylfluoroalkyl siloxane in accordance with claim 1 , wherein ingredient (i) and ingredient (ii) are intermixed in a ratio of ...

Composition and Method of Manufacturing Calcium Magnesium Sulfonate Greases

A sulfonate-based grease composition and method of manufacture comprising (1) addition of both overbased calcium sulfonate and overbased magnesium sulfonate in a ratio range of 60:40 to 100:1, with the magnesium sulfonate added all at once, a portion prior to conversion and another portion after conversion, and/or one more delay periods between the addition of water or other reactive ingredient and the addition of magnesium sulfonate; (2) one or more delay periods between the addition of at least a portion of a facilitating acid and at least a portion of the next subsequently added ingredient; (3) no conventional non-aqueous converting agents added prior to conversion; or (4) a combination thereof. The grease has a high dropping point and reduced thickener yield. 1. A highly rheopectic sulfonate-based grease composition comprising the following ingredients:an overbased calcium sulfonate having amorphous calcium carbonate dispersed therein;an overbased magnesium sulfonate;a facilitating acid comprising an alkyl benzene sulfonic acid;water as a converting agent;one or more complexing acids comprising acetic acid and 12-hydroxystearic acid;added calcium carbonate;optionally a base oil; andwherein the composition is fluid and pumpable prior to milling or shearing.2. The highly rheopectic sulfonate-based grease composition of wherein composition comprises less than 33% of the overbased calcium sulfonate by weight of the final grease.3. The highly rheopectic sulfonate-based grease composition of further comprising one or more conventional non-aqueous converting agents.4. The highly rheopectic sulfonate-based grease composition of wherein the one or more conventional non-aqueous converting agents comprises hexylene glycol.5. The highly rheopectic sulfonate-based grease composition of wherein no conventional non-aqueous converting agents are included.6. The highly rheopectic sulfonate-based grease composition of wherein composition comprises around 31-33% of the overbased ...

COMPOSITION OF HIGH PERFORMANCE BEARING OIL FOR STEEL PLANTS

The present invention relates to a Zinc free High Performance bearing oil composition for Lubrication of Bearings, Gears & Allied Equipments in Wire Rod Mill (WRM) for Steel Plants. 1. A zinc free bearing oil composition comprising:(a) 0.05 to 2.0 weight % of ashless antiwear or extreme pressure agent as additive 1;(b) 0.01 to 1.0 weight % of antiwear, extreme pressure or FZG booster as additive 2;(c) 0.01 to 1.0 weight % of phenolic oxidation inhibitor as additive 3;(d) 0.01 to 1.0 weight % of aminic oxidation inhibitor as additive 4;(e) 0.01 to 0.60 weight % of rust or corrosion inhibitor I having sulphonate as additive 5;(f) 0.01 to 1.2 weight % of rust or corrosion inhibitor II having amine derivative or succinic acid ester or boron derivative as additive 6;(g) 0.001 to 0.50 weight % of metal passivator as additive 7;(h) 0.001 to 1.0 weight % of pour point depressant as additive 8;(i) 0.001 to 0.25 weight % of defoament as additive 9;(j) optionally, 0.001 to 0.05 weight % of demulsifier as additive 10; and 'wherein the weight % being based on the total weight of the composition.', '(k) 90% wt. to 99.9 weight % of a base,'}2. The composition as claimed in claim 1 , wherein the additive 1 is selected from sulphur and phosphorus based ashless antiwear or extreme pressure agent and combination thereof; wherein:(i) the sulphur and phosphorus antiwear or extreme pressure ashless agent is based on alkyl triphenyl phosphorothionate chemistry containing sulphur and phosphorus in the ratio of 1:1 and the alkyl chain length is C2-C8; and(ii) the phosphorus antiwear or extreme pressure ashless agent is selected from di-n-octyl-phosphite, tris-nonylphenyl phosphate, i-decyl-diphenyl phosphate and mixture thereof.3. The composition as claimed in claim 1 , wherein the additive 2 is selected from:(i) zinc free system which is sulphur and phosphorus chemistry based antiwear or extreme pressure or FZG booster comprising of dialkyl dithiophosphate chemistry containing sulphur and ...

SEAL SWELL AGENTS FOR LUBRICATING COMPOSITIONS

A composition comprising an oil of lubricating viscosity and a compound represented by formula (I) wherein: x is 0 or 1; Ris a hydrocarbyl group containing about 4 or about 18 carbon atoms; Ris an aliphatic hydrocarbyl group containing about 1 to about 12 carbon atoms; and y is 0 or 1, which composition is effective at swelling seals. 2. The composition according to claim 1 , wherein Ris an aliphatic hydrocarbyl group containing about 6 to about 12 carbon atoms.3. The composition according to claim 1 , wherein Ris a branched or linear alkyl or alkenyl group.4. The composition according to claim 3 , wherein Ris chosen from n-hexyl claim 3 , heptyl claim 3 , 2-ethylhexyl claim 3 , isooctyl claim 3 , octyl claim 3 , nonyl claim 3 , decyl claim 3 , dodecyl claim 3 , tetradecyl claim 3 , hexadecyl claim 3 , octadecyl claim 3 , 9-octadecenyl.5. The composition according to claim 1 , wherein x is 1.6. The composition according to claim 5 , wherein Roccupies the para position on the aromatic ring.7. The composition according to claim 1 , wherein x is 0.8. The composition according to claim 1 , wherein y is 0.9. The composition according to claim 1 , wherein y is 1.10. The composition according to claim 9 , wherein Roccupies the para position on the aromatic ring.11. The composition according to claim 9 , wherein Ris an aliphatic hydrocarbyl group containing about 1 to about 8 carbon atoms.12. The composition according to claim 1 , wherein the composition comprises one or more components selected from the group of dispersants detergents claim 1 , metal salts of a phosphorus acid claim 1 , friction modifiers claim 1 , viscosity modifiers and antioxidants.13. The composition according to claim 1 , wherein the composition is a lubricant for a driveline device or an internal combustion engine.14. The composition according to claim 1 , wherein the composition is a lubricant for a gas compressor or a refrigeration system.16. A method of improving the seal compatibility of an oil ...

PROCESS FOR PRODUCING AN OVERBASED METAL DETERGENT

A high TBN overbased metal sulfonate detergent is prepared by reacting a hydrocarbyl-substituted organic sulfonic acid or metal salt thereof with a basic alkali metal or alkaline earth metal compound in the presence of a mono-alcohol and a carboxylic acid and reacting this mixture with carbon dioxide to form a carbonated overbased metal sulfonate. The resulting overbased metal detergent has a metal equivalent to sulfonic acid substrate ratio of 5:1 to 27:1. The product thus prepared has improved viscometrics, filterability, and TBN:ash ratio. Lubricating compositions comprising said overbased detergent display reduced friction and wear performance. The invention further relates to methods of lubricating an internal combustion engine with a lubricant containing an overbased detergent prepared as described. 121-. (canceled)23. A process as claimed in claim 22 , wherein the resultant overbased metal detergent has a metal equivalent to sulfonic acid substrate ratio of 7:1 to 20:1.24. A process as claimed in comprising an additional step (6) wherein steps (3) claim 22 , (4) and (5) are performed at least two additional times.25. A process as claimed in claim 24 , wherein the product of either step (5) or step (6) is heated to at least 150° C. in an additional step (7).26. A process as claimed in claim 25 , wherein the product of step (7) may be cooled in a further step (8).27. A process as claimed in claim 22 , wherein the carboxylic acid has 16 to 18 carbon atoms.28. A process as claimed in claim 27 , wherein the carboxylic acid is stearic acid.29. A process as claimed in claim 22 , wherein the carboxylic acid is provided as 2 to 20 wt % claim 22 , or 4 to 8 wt % of reactants.30. A process as claimed in claim 22 , wherein the at least one mono-alcohol comprises 2 to 10 carbon atoms.31. A process as claimed in claim 22 , wherein between 10 and 20 wt % of the total amount of the basic metal compound may be added at each occurrence of step (3).32. A process as claimed in ...

SLIDING MEMBER AND PRODUCTION METHOD THEREFOR

A problem is to provide a sliding member capable of easily improving friction characteristics, and a production method therefor. A solution is a sliding member wherein a sliding portion is formed of a metallic material, and the sliding member has, on a surface of the sliding portion a Cr-containing modified layer formed by blasting a shot media containing Cr as a composition. The sliding member slides under an environment of a lubricant containing Mo as an additive, in which active Cr exposed on the surface by sliding accelerates decomposition reaction of the additive contained in the lubricant to form a molybdenum disulfide-containing film having low friction on the surface of the sliding portion 1. A sliding member sliding under an environment of a lubricant containing molybdenum (Mo) as an additive , whereina sliding portion is formed of a metallic material; andthe sliding member has, on a surface layer portion of the sliding portion, a Cr-containing modified layer formed by blasting a shot media containing chrome (Cr) as a composition.2. The sliding member according to claim 1 , wherein surface roughness Ra of the sliding portion is within a range of 0.03 μm or more and 0.4 μm or less.3. The sliding member according to claim 1 , wherein the sliding member is a gear or a bearing.4. A production method for a sliding member sliding in an environment of a lubricant containing molybdenum (Mo) as an additive claim 1 , comprising:a modified layer forming step of blasting a shot media containing chrome (Cr) as a composition onto a surface of a sliding portion formed of a metallic material to form a Cr-containing modified layer on a surface layer portion of the sliding portion.5. The production method for the sliding member according to claim 4 , wherein a shot media is blasted in such a manner that surface roughness Ra of a sliding portion falls within a range of 0.03 μm or more and 0.4 μm or less in the modified layer forming step.6. The production method for the ...

Lubricants for Use in Boosted Engines

A lubricating oil composition and method of operating a boosted internal combustion engine. The lubricating oil composition includes greater than 50 wt. % of a base oil of lubricating viscosity, calcium, nitrogen, molybdenum and boron. The weight ratio of Ca:N (ppm/ppm) in the lubricating oil composition is greater than 1.3 to less than 3.0, the weight ratio of Ca:Mo (ppm/ppm) in the lubricating oil composition is greater than 6.7 to less than 56.3, and the weight ratio of Ca:B (ppm/ppm) in the lubricating oil composition is greater than 5.0 to less than 9.8. The lubricating oil composition does not contain added magnesium from a magnesium-containing detergent. The lubricating oil composition is resistant to deposit formation in the boosted internal combustion engine, as shown by its ability to ensure a TCO Temperature Increase of less than 9.0% as measured using the 2015 version of the General Motors dexos1® Turbocharger Coking Test. 1. A lubricating oil composition comprising:greater than 50 wt. % of a base oil of lubricating viscosity, andcalcium, nitrogen, molybdenum and boron, whereina weight ratio of Ca:N in the lubricating oil composition is greater than 1.3 to less than 3.0, a weight ratio of Ca:Mo in the lubricating oil composition is greater than 6.7 to less than 56.3, a weight ratio of Ca:B in the lubricating oil composition is greater than 5.0 to less than 9.8, andthe lubricating oil composition does not contain added magnesium from a magnesium-containing detergent, andwherein the lubricating oil composition is effective to ensure a TCO Temperature Increase of less than 9.0% as measured using the 2015 version of the General Motors dexos1® Turbocharger Coking Test.2. The lubricating oil composition of claim 1 , wherein the lubricating oil composition comprises at least one detergent selected from one or more overbased calcium-containing detergents having a total base number of greater than 225 mg KOH/g claim 1 , measured by the method of ASTM D-2896 claim ...

LUBRICATING OIL COMPOSITION

The present invention relates to a lubricating oil composition containing a base oil (A), a molybdenum dithiocarbamate (B), an ester-based ashless friction modifier (C), and a metal salicylate (D), wherein the content of a molybdenum atom derived from the molybdenum dithiocarbamate (B) is 650 ppm by mass or more on the basis of the whole amount of the lubricating oil composition; a content ratio [C/B] of the ester-based ashless friction modifier (C) to a molybdenum atom derived from the molybdenum dithiocarbamate (B) is 5.0 to 10 in terms of a mass ratio; the content of a salicylate soap group derived from the metal salicylate (D) is 0.50% by mass or more on the basis of the whole amount of the lubricating oil composition; and a kinematic viscosity at 100° C. is 4.0 mm/s or more and less than 9.3 mm/s, and a high-temperature high-shear viscosity at 150° C. is 1.7 mPa·s or more and less than 2.9 mPa·s. In accordance with the present invention, a viscosity-reduced lubricating oil composition in which nonetheless a molybdenum dithiocarbamate and an ashless friction modifier are jointly used, not only friction can be reduced early after commencement of lubrication, but also such a state can be maintained, is provided. 1. A lubricating oil composition comprisinga base oil (A),a molybdenum dithiocarbamate (B),an ester-based ashless friction modifier (C), anda metal salicylate (D), whereinthe content of a molybdenum atom derived from the molybdenum dithiocarbamate (B) is 650 ppm by mass or more on the basis of the whole amount of the lubricating oil composition;{'sub': 'Mo', 'a content ratio [C/B] of the ester-based ashless friction modifier (C) to a molybdenum atom derived from the molybdenum dithiocarbamate (B) is 5.0 to 10 in terms of a mass ratio;'}the content of a salicylate soap group derived from the metal salicylate (D) is 0.50% by mass or more on the basis of the whole amount of the lubricating oil composition; and{'sup': 2', '2, 'a kinematic viscosity at 100° C. ...

Composition and Method of Manufacturing Calcium Magnesium Sulfonate Greases

An overbased calcium magnesium sulfonate grease composition and method of manufacture comprising both overbased calcium sulfonate and overbased magnesium sulfonate in a ratio range of 60:40 to 100:1. The grease is made according to any known method for making an overbased calcium sulfonate grease by using the overbased magnesium sulfonate in addition to the overbased calcium sulfonate. A portion of the magnesium sulfonate may be added prior to conversion and another portion after conversion, with or without one or more delay periods between the addition of water or other reactive ingredient and the addition of magnesium sulfonate. The grease can be made using calcium hydroxyapatite and/or added calcium carbonate as calcium containing bases for reacting with complexing acids, a non-aqueous converting agent delay method, added alkali metal hydroxide, or any combination thereof. The grease has a high dropping point and reduced thickener yield. 1. A method of making a sulfonate-based grease comprising:adding and mixing an amount of overbased calcium sulfonate containing amorphous calcium carbonate dispersed therein, an optional base oil, and one or more converting agents to form a pre-conversion mixture;converting the pre-conversion mixture to a converted mixture by heating until conversion of the amorphous calcium carbonate to crystalline calcium carbonate has occurred; andadding and mixing an amount of overbased magnesium sulfonate with the pre-conversion mixture, the converted mixture, or both.2. The method of wherein the amount of overbased calcium sulfonate is 10-45% and the amount of overbased magnesium sulfonate is 0.1-30%.3. The method of wherein the amount of overbased calcium sulfonate is 10-36% and the amount of overbased magnesium sulfonate is 1-24%.4. The method of wherein the amount of overbased calcium sulfonate is 10-30% and the amount of overbased magnesium sulfonate is 1-20%.5. The method of wherein the amount of overbased calcium sulfonate is 10-22% ...

Composition and Method of Manufacturing Calcium Sulfonate and Calcium Magnesium Sulfonate Greases Using a Delay After Addition of Facilitating Acid

A method of making an overbased calcium sulfonate or calcium magnesium sulfonate grease using one or more delay periods between the addition of at least a portion of a facilitating acid, such as DDBSA, and at least a portion of the next subsequently added ingredient. The delay period may be a temperature adjustment delay or a holding delay period. An overbased calcium sulfonate or calcium magnesium sulfonate grease composition comprises 0.5%-5% of a facilitating acid, allows for a reduced amount of overbased calcium sulfonate below 22%, and allows for a reduced amount of calcium hydroxyapatite to provide 10-25% of hydroxide equivalent basicity of the total hydroxide equivalent basicity due to calcium hydroxyapatite and added calcium hydroxide, while maintaining a high dropping point. 1. A method of making an overbased calcium sulfonate grease or an overbased calcium-magnesium sulfonate grease comprising:adding and mixing an amount of overbased calcium sulfonate containing amorphous calcium carbonate dispersed therein, an optional base oil, and an amount of facilitating acid to form an initial mixture;adding and mixing one or more converting agents to the initial mixture to form a pre-conversion mixture;converting the pre-conversion mixture to a converted mixture by heating until conversion of the amorphous calcium carbonate to crystalline calcium carbonate has occurred;optionally adding and mixing an amount of overbased magnesium sulfonate with the initial mixture, pre-conversion mixture, the converted mixture, or a combination thereof; andwherein there is one or more facilitating acid delay periods between the addition of the facilitating acid and at least a portion of any subsequently added ingredient; andwherein the one or more facilitating acid delay periods comprise:a facilitating acid holding delay period where the initial mixture is held at a temperature or range of temperatures for a period of time between adding the facilitating acid and the subsequent ...

ENGINE OIL COMPOSITION

A fuel-saving-type engine oil composition is provided that exhibits a satisfactory friction-reducing effect in a low-viscosity engine oil without being constrained by, for example, high temperatures, low temperatures, low loads, or high loads. The engine oil composition includes: an engine oil having a low-temperature viscosity of from 0 to 10 in SAE viscosity grades and a high-temperature viscosity of from 4 to 20 in the SAE viscosity grades; and a molybdenum compound (A) represented by the following general formula (1):

LUBRICATING OIL COMPOSITION, INTERNAL COMBUSTION ENGINE, AND LUBRICATION METHOD FOR INTERNAL COMBUSTION ENGINE

The present invention relates to a lubricating oil composition containing a base oil (A) containing an olefin-based polymer (A1) having an area ratio of a peak derived from a hydride (A11) of a decene trimer of 80% or more relative to 100% of a total area of peaks derived from the olefin-based polymer (A1) detected in a chromatogram and having predetermined kinematic viscosity, flash point, and pour point, a viscosity index improver (B) containing a comb-shaped polymer (B1), and an organic molybdenum-based compound (C), in which the content of the comb-shaped polymer (B1) is regulated within a specified range and having a HTHS viscosity at each of 150° C. and 50° C. of the lubricating oil composition and a NOACK value in predetermined ranges, respectively. 1: A lubricating oil composition , comprising:a base oil (A) comprising an olefin-based polymer (A1),a viscosity index improver (B) comprising a comb-shaped polymer (B1), andan organic molybdenum-based compound (C),wherein,the olefin-based polymer (A1) satisfies the following requirements (a1) to (a5):(a1): an area ratio of a peak derived from a hydride (A11) of a decene trimer is 80% or more relative to 100% of a total area of peaks derived from the olefin-based polymer (A1) detected in a chromatogram on performing chromatography analysis,{'sup': '2', '(a2): a kinematic viscosity at 40° C. is 16.0 mm/s or less,'}{'sup': '2', '(a3): a kinematic viscosity at 100° C. is from 3.0 to 4.0 mm/s,'}(a4): a flash point is 220° C. or higher, and(a5): a pour point is −30° C. or lower;a content of the comb-shaped polymer (B1) is 0.30% by mass or more on the basis of the whole amount of the lubricating oil composition; andthe lubricating oil composition satisfies the following requirements (I) to (III):{'sub': '150', '(I): a HTHS viscosity (H) at 150° C. is 1.5 mPa·s or more,'}{'sub': '50', '(II): a HTHS viscosity (H) at 50° C. is less than 12.3 mPa·s, and'}(III): a NOACK value is 15.0% by mass or less.2: The lubricating oil ...

FRICTION INHIBITING COMPOUND AND FRICTION INHIBITING COMPOSITION CONTAINING FRICTION INHIBITING COMPOUND

A friction inhibiting compound of the present invention is a friction inhibiting compound including a copolymer (A) that includes a polymerizable monomer (a) and a polymerizable monomer (b) as constituent monomers, wherein the polymerizable monomer (a) includes a specific alkyl acrylate or alkyl methacrylate, the polymerizable monomer (b) is at least one selected from the group consisting of specific hydroxyalkyl acrylates and hydroxyalkyl methacrylates; specific alkyl acrylates and alkyl methacrylates; and aromatic vinyl monomers having 8 to 14 carbon atoms, and a composition ratio of the polymerizable monomer (a) and polymerizable monomer (b) in the copolymer (A), represented by (a):(b), is (10 to 45):(55 to 90) in a molar ratio (provided that a total molar ratio of (a) and (b) is 100), and the weight average molecular weight of the copolymer (A) is 1,000 to 500,000. 2. The friction inhibiting compound according to claim 1 , wherein the polymerizable monomer (b) includes at least one polymerizable monomer (b-1) selected from among hydroxyalkyl acrylates and hydroxyalkyl methacrylates represented by general formula (2) and a polymerizable monomer (b-2) composed of at least one aromatic vinyl monomer having 8 to 14 carbon atoms claim 1 , and a composition ratio of the polymerizable monomers (a) claim 1 , (b-1) claim 1 , and (b-2) in the copolymer (A) claim 1 , represented by (a):(b-1):(b-2) claim 1 , is (10 to 45):(2 to 80):(5 to 88) in a molar ratio (provided that a total molar ratio of (a):(b-1):(b-2) is 100).3. The friction inhibiting compound according to claim 1 , wherein a Hildebrand solubility parameter of the copolymer (A) is 18.0 to 28.0 (MPa).4. A friction inhibiting composition comprising the friction inhibiting compound according to claim 1 , and a base oil (B) claim 1 , the friction inhibiting composition including 0.1 to 50 parts by mass of the friction inhibiting compound relative to 100 parts by mass of the base oil (B).5. The friction inhibiting ...

LUBRICATING OILS FOR WET CLUTCH SYSTEMS

The present invention generally relates to lubricating oil compositions useful for vehicles such as industrial machinery, especially transport, construction, and agricultural machinery. Also disclosed is a method for maintaining friction in said vehicles comprising lubricating said vehicles with said lubricating oil compositions. 1. An industrial machinery lubricating oil composition comprising:(a) a major amount of oil of lubricating viscosity;(b) at least 1000 ppm of calcium from a calcium containing detergent;(c) at least 800 ppm of Mg from a magnesium containing detergent;(d) less than 600 ppm of N from a nitrogen containing dispersant;wherein the lubricating oil composition has a phosphorus content of from 0.06 to 0.15 wt. %, a sulfur content of less than 0.5 wt. % and a sulfated ash content of from greater than 0.8 wt. % to 2.0 wt. %,wherein the mass ratio of Ca to Mg is from 1:2 to 4:1, andwherein said lubricating oil composition lubricates the crankcase of an internal combustion engine of an industrial machinery and at least one of a wet clutch, brakes, torque converters, gear systems, hydro static transmissions and hydraulic systems.2. The lubricating oil composition of claim 1 , wherein the calcium containing detergent provides at least 1000 ppm to not greater than 4000 ppm by weight of calcium to the lubricating oil composition.3. The lubricating oil composition of claim 1 , wherein the total base number (TBN) of the lubricating oil composition is from 8 to 16 mg KOH/g.4. The lubricating oil composition of claim 1 , wherein the sulfated ash is from about 0.80 to about 1.60 wt. % as determined by ASTM D 874.5. (canceled)6. The lubricating oil composition of claim 1 , wherein the industrial machinery is a transport claim 1 , a construction or an agricultural machinery7. The lubricating oil composition of claim 1 , wherein the industrial machinery is equipped with an automatic transmission claim 1 , or a continuously variable transmission.8. A method for ...

Transmission Fluid Composition for Improved Wear Protection

A transmission fluid composition contains a major amount of a lubricating oil basestock, and a minor amount of an additive package comprising: (i) a mixture comprising two or more phosphites and/or phosphates; (ii) one or more thioester compounds; (iii) one or more zinc dihydrocarbyl dithiophosphate compounds; and (iv) one or more oil-soluble or dispersible molybdenum-containing compounds. Such a transmission fluid may be used for controlling and/or reducing wear, e.g., in a manual transmission. 2. A transmission fluid composition according to claim 1 , wherein the compounds of component (i) and component (ii) are each present in the composition in an amount from 0.1 to 2.0% by mass claim 1 , based on the total mass of the composition.3. A transmission fluid composition according to claim 1 , wherein the compounds of component (i) and component (ii) are present in the composition in a mass ratio of from 2:1 to 1:2.4. A transmission fluid composition according to claim 1 , wherein the compounds of component (i) and component (ii) are each present in the composition in an amount from 0.1 to 0.8% by mass claim 1 , based on the total mass of the composition claim 1 , and in a mass ratio of from 4:3 to 3:4.5. A transmission fluid composition according to claim 1 , wherein component (iii) is present in the composition in an amount from 0.4 to 5.0% by mass claim 1 , based on the total mass of the composition.6. A transmission fluid composition according to claim 1 , wherein component (iii) provides the composition with from 400 to 4500 parts per million by mass (ppm) of zinc claim 1 , based on the total mass of the composition.7. A transmission fluid composition according to claim 1 , wherein component (iv) is present in the composition in an amount from 0.1 to 2.0% by mass claim 1 , or from 0.1 to 1.5% by mass claim 1 , or from 0.2 to 1.2% by mass claim 1 , or from 0.2% to 0.8% by mass claim 1 , based on the total mass of the composition.8. A transmission fluid ...

NITROGEN-FUNCTIONALIZED OLEFIN POLYMERS FOR ENGINE LUBRICANTS

A lubricant composition of an oil of lubricating viscosity, an ashless condensation reaction product of an olefin polymer, having a number average molecular weight of 2,000 to 70,000, comprising carboxylic acid or equivalent functionality grafted onto the polymer backbone, with a monoamine or a polyamine often having a single primary amino group; a succinimide dispersant; and an overbased metal detergent, in an amount such that the total base number of the lubricant composition is less than 6.5, exhibits good sludge prevention performance in a gasoline engine. 1. A lubricant composition comprising:{'sup': 2', '−1, '(a) an oil of lubricating viscosity having a kinematic viscosity at 100° C. of about 2 to about 5.3 mms;'}(b) about 0.14 to about 1.5 percent by weight of an ashless condensation reaction product of an olefin polymer, having a number average molecular weight (GPC) of about 2,000 to about 70,000, comprising carboxylic acid functionality or a reactive equivalent thereof grafted onto the polymer backbone, with a monoamine or a polyamine, provided that if the olefin polymer is an ethylene/propylene copolymer, then said polyamine is not a poly(ethyleneamine);(c) about 0.35 to about 1.8 percent by weight of a succinimide dispersant comprising the condensation product of a polyolefin-substituted succinic anhydride, with an alkylene polyamine, where the polyolefin substituent has a number average molecular weight of about 1,000 to about 3500; and(d) about 0.05 to about 1.5 percent by weight of an overbased metal detergent, in an amount such that the total base number (TBN per ASTM D2896) of the lubricant composition is less than about 6.5;said lubricant composition having a high-temperature high-shear viscosity per ASTM D4683 of about 1.4 to about 3.5 mPa-s.2. The lubricant composition of wherein the amount of the condensation reaction product is about 0.4 to about 1 percent by weight.3. The lubricant composition of claim 1 , wherein the olefin polymer comprises ...

Surfactants From Sulfonation Of Aromatic Ethers

wherein R1 is a linear or branched alkyl group having from 1 carbon atom to 20 carbon atoms; wherein each R2 is individually a hydrogen or an alkyl group having from 1 carbon atom to 4 carbon atoms; and wherein n is a value from 0 to 8.

Mineral oil composition

Preparation of oil-soluble boron derivatives of an alkylene polyamine-substituted phenol-formaldehyde addition product

COMPLEX SUBSTITUTED ALKYLENE POLYAMINES SUCH AS DI (ALKENYLSUCCINIMIDE) OF N1,N3 SYMMETRICAL BIS(AMINOPOLYAZALKYLENE) UREAS AND OIL-SOLUBLE PRODUCTS DERIVED BY THE REACTION OF P-ALKYLPHENOLS, FORMALDEHYDE AND ALKYLENE POLYAMINES THAT REACT WITH BORIC ACID IN OIL SOLUTION EITHER WITH LOW BORIC ACID UTILIZATION EFFICIENCY OR REACT TO FORM A HAZY PRODUCT WHOSE HAZE CANNOT BE REMOVED BY FILTRATION ARE READILY CONVERTED TO THE DESIRED OIL SOLUTION OF BORON AND NITROGEN CONTAINING PRODUCTS BY FIRST PREPARING AN OIL SOLUTION OF SUPER BORON CONTAINING PRODUCT OF THE COMPLEX SUBSTITUTED ALKYLENE POLYAMINE, COMBINING THE OIL SOLUTION OF SUPER BORON CONTAINING PRODUCT WITH OIL SOLUTION OF THE COMPLEX SUBSTITUTED ALKYLENE POLYAMINE AND EQUILIBRATING THE RESULTING MIXTURE TO A UNIFORM BORON TO NITROGEN CONTENT THROUGHOUT.

Lubricants for improving fatigue life

A lubricant for improving fatigue life is described, which comprises: (1) a lubricating base material, and (2) a compound having alkylthiocarbamoyl groups represented by the general formula (i): ##STR1## or (1) a lubricating base material, (2) a compound having alkylthiocarbamoyl groups represented by the general formula (i), (3) a molybdenum compound represented by the general formula (ii): ##STR2## or by the general formula (iii): ##STR3## and/or an ester compound. All the symbols in the formulae are as defined in the appended claims. This lubricant greatly prolongs the fatigue life of gears, etc.

Lubricating oil containing a nickel alkoxyalkylxanthate, a dixanthogen, and zinc dialkyldithiophosphate

The addition of a metal alkoxyalkylxanthate, a dixanthogen, and a metal thiophosphate to a lubricating oil results in a synergistic improvement in the antiwear performance of the oil. Nickel ethoxyethylxanthate, diethoxyethyl dixanthogen, and zinc dialkyldithiophosphate are particularly preferred additives.

一种苯并三氮唑黄原酸酯类衍生物润滑油添加剂及其制备方法

本发明公开了一种苯并三氮唑黄原酸酯类衍生物润滑油添加剂。本发明是烷基胺与氯乙酰氯在碱的作用下，经酰胺化得到烷基氯乙酰胺；苯并三氮唑与氯丙醇和二硫化碳经亲核取代反应得到苯并三氮唑基丙基黄原酸钠盐或钾盐；然后烷基氯乙酰胺与苯并三氮唑基丙基黄原酸钠盐或钾盐经亲核取代反应得到具有通式Ⅰ的化合物。本发明的制备方法简单，工艺条件温和，原料易得，合成成本低，合成产率高。该苯并三氮唑黄原酸酯类衍生物可作为润滑油的极压抗磨抗腐蚀添加剂单独使用，也可和其它润滑油添加剂复合使用，可以显著提高基础油的承载能力，极大地改善基础油的抗磨减摩性能，有效地提高基础油的抗腐蚀性能，是一种可生物降解的多功能润滑油添加剂。

润滑油组合物

本发明涉及润滑油组合物。含有基础油（A）、二硫代氨基甲酸钼（B）、酯系无灰摩擦调节剂（C）和金属水杨酸盐（D）的润滑油组合物，其中源于成分（B）的钼原子的含量以组合物总量基准计为650质量ppm以上，成分（C）相对于源于成分（B）的钼原子的含有比率［C/B Mo ］以质量比计为5.0～10，源于成分（D）的水杨酸盐皂基的含量以组合物总量基准计为0.50质量%以上，100℃时的运动粘度为4.0mm 2 /s以上且小于9.3mm 2 /s，且150℃时的高温高剪切粘度为1.7mPa・s以上且小于2.9mPa・s，将二硫代氨基甲酸钼和无灰摩擦调节剂并用，可在润滑开始后早期地降低摩擦且可维持该状态的低粘度化。

Method for stabilizing alkylbenzene sulfonates

Molybdenum dialkyldithiocarbamate composition and lubricating composition containing the composition

METHOD TO CONTROL THE VISCOSITY INDICATED BY HOLLIN OF LUBRICANT COMPOSITIONS FOR DIESEL ENGINES AND LUBRICANT COMPOSITION FOR DIESEL ENGINES

Lubricating oil composition and method of improving efficiency of emissions control system

本发明公开的技术涉及一种润滑油组合物，其包含至少一种基油和至少一种衍生自一种或更多种式(I)所示的二硫代磷酸和/或其金属盐的高碱性低分子量二烷基二硫代磷酸锌，其中在式(I)中，R 1 和R 2 独立地为烃基，式(I)中R 1 和R 2 中的平均碳原子总数为4至10，该高碱性低分子量二烷基二硫代磷酸锌的金属比率为至少大约1.15∶1，该润滑油组合物的特征在于磷浓度为最多大约0.12重量％。所公开的技术还涉及润滑内燃机和改进发动机的排放物控制系统的效率的方法。

Use of metal sulfonates as friction modifiers

Lubricating Oil Compositions

公开了具有至多约0.4wt.％硫含量和按照ASTM D874测定的至多约0.5wt.％硫酸盐灰分含量的润滑油组合物，该润滑油组合物包含(a)主要量的润滑粘度油；(b)至少一种油溶性或分散的油稳定性含硼化合物，该含硼化合物具有基于所述组合物的总质量计大于400ppm的硼；和(c)至少一种油溶性或分散的油稳定性含钼化合物，该含钼化合物具有基于所述组合物的总质量计至少约1100ppm的钼；其中所述润滑油组合物具有小于或等于约4∶1的硫与钼之比。

Lubricants with molybdenum and their use for reduction of premature ignition of mixture at low rpm

FIELD: fat and oil industry.SUBSTANCE: present invention relates to a lubricating oil composition, a method for reducing premature ignition of a mixture (LSPI) at low rpm in an internal combustion engine with supercharging, as well as use of said composition for carrying out said method. Lubricating oil composition contains: more than 50 wt % of base oil selected from of group consisting of base oil of I group, base oil of II group, base oil of III group, base oil of IV group, base oil V and mixtures thereof, relative to the total weight of the lubricating oil composition, and an additive composition containing: an over-basic calcium-containing detergent, selected from detergent additive of overbased calcium sulphonate, detergent additive of overbased calcium phenolate, washing additive of overbased calcium salicylate and their mixtures, with total alkaline number of more than 250 mg KOH/g in an amount sufficient to provide from 1400 ppm to 1800 ppm by weight of calcium in the lubricating oil composition relative to the total weight of the lubricating oil composition, and one or more oil-soluble molybdenum-containing compounds in an amount sufficient to provide from 80 ppm to 1000 ppm by weight of molybdenum in the lubricating oil composition relative to the total weight of the lubricant composition, and where the lubricating oil composition contains not more than 150 ppm sodium by weight and 50 ppm by weight to 2000 ppm by weight of phosphorus relative to the total weight of the lubricating oil composition and has a weight ratio of sulfur, provided in the lubricating oil composition with said additive composition, to molybdenum weight in the lubricating oil composition from 2.44:1 to less than 18:1.EFFECT: disclosed are lubricants with molybdenum and use thereof to reduce premature ignition of the mixture at low rpm.16 cl, 5 tbl, 12 ex РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2 721 712 C2 (51) МПК C10M 163/00 (2006.01) C10M 169/04 (2006.01) C10M 159/20 (2006.01) C10M ...

Diesel cylinder lubricant oil composition

Provided are Formulations, methods of making, and methods of using a diesel cylinder lubricating oil composition to achieve enhanced corrosive wear-control on the cylinders of a 2-stroke diesel engine, wherein such lubricating oil composition comprises, among other things, an amount of one or more surfactant materials sufficient to provide substantially improved capacity to reduce or inhibit corrosive wear.

Lubricating oil composition

Phosphorus-containing compounds and their use

Grease composition for constant-velocity joint and constant-velocity joint hermetically filled therewith

本发明提供价格低廉、且未使用环境负荷物质，而提高了耐鳞片状剥落性的等速万向节用润滑脂组合物、以及封入有该等速万向节用润滑脂组合物的等速万向节。本发明提供含有下述成分(a)～(f)的等速万向节用润滑脂组合物、以及封入该等速万向节用润滑脂组合物的等速万向节：(a)基础油、(b)二脲系增稠剂、(c)二烷基二硫代磷酸锌、(d)硫化二烷基二硫代氨基甲酸钼、(e)二烷基二硫代氨基甲酸锌、以及(f)硫-氮系极压添加剂。

Lignosulphonate-containing lubricants, method for production and use thereof

FIELD: chemistry.SUBSTANCE: present invention relates to a method of producing lignosulphonate-containing lubricants, which includes: a) a step of mixing: at least one base oil, at least one calcium soap of a saturated or unsaturated monocarboxylic acid containing 10-32 carbon atoms, optionally substituted, at least one complexing agent selected from: i) an alkali metal salt, except a sodium salt, an alkali-earth metal salt or an aluminium salt of a saturated or unsaturated monocarboxylic acid or a hydroxy carboxylic acid containing 2-8 carbon atoms, a dicarboxylic acid containing 2-16 carbon atoms, wherein each of said acids can be substituted, ii) an alkali and/or alkali-earth metal salt of boric acid and/or phosphoric acid, including products of reaction thereof with LiOH and/or Ca(OH), and iii) mixtures thereof, and at least calcium lignosulphonate with weight-average molecular weight higher than 10000 g/mol, heating the mixture to temperature higher than 120°C to initiate the reaction and removing low-boiling components to obtain a lubricant base, and b) a step of cooling and adding base oil and, optionally, additives while stirring. The present invention also relates to a lubricant composition and to use of the lubricant (versions).EFFECT: use of lignosulphonates as structure-forming agents and as additives which protect from wear, reduce friction and protect from aging.29 cl, 10 ex, 3 tbl РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (51) МПК C10M 135/10 C10M 141/08 C10M 159/24 C10N 40/02 C10N 30/02 C10N 30/06 ФЕДЕРАЛЬНАЯ СЛУЖБА C10N 30/12 ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ C10N 10/02 C10N 10/04 C10N 50/10 (12) ОПИСАНИЕ (21)(22) Заявка: (13) 2 554 873 C2 (2006.01) (2006.01) (2006.01) (2006.01) (2006.01) (2006.01) (2006.01) (2006.01) (2006.01) (2006.01) ИЗОБРЕТЕНИЯ К ПАТЕНТУ 2012136909/04, 31.01.2011 (24) Дата начала отсчета срока действия патента: 31.01.2011 (72) Автор(ы): ЛИТТЕРС Томас (DE), ЛИБЕНАУ Александер (DE) R U (73) Патентообладатель(и): ФУХС ПЕТРОЛУБ АГ (DE) ...

Transmission oil

FIELD: machine building. SUBSTANCE: invention relates to lubricant compositions intended for aircraft transmission units. Disclosed is a transmission oil containing aviation oil B-3V consisting of a concentrate of antioxidant additives in basic pentaerytherite oil HA-10 according to CS 002-2005, granulated mercaptobenzothiazole as antiscoring additive and pentaerythritol base oil as per CS 001-2005. Additionally, sulfur-containing additive is introduced in the form of reaction product at temperature of 210–215 °C castor oil with sulfur recrystallised from toluene. Ratio of components in transmission oil is as follows, wt%: sulfur-containing additive 15–30; oil B-3V up to 100. EFFECT: expansion of oil application temperature range from -59 to 200 °C while maintaining high viscosity and tribological characteristics. 1 cl, 2 tbl, 4 ex РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (51) МПК C10M 125/06 C10M 151/02 C10M 135/18 C10M 169/06 (11) (13) 2 702 651 C1 (2006.01) (2006.01) (2006.01) (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ (52) СПК C10M 125/06 (2019.08); C10M 151/02 (2019.08); C10M 135/18 (2019.08); C10M 169/06 (2019.08) (21)(22) Заявка: 2019114313, 07.05.2019 (24) Дата начала отсчета срока действия патента: Дата регистрации: 09.10.2019 (45) Опубликовано: 09.10.2019 Бюл. № 28 2 7 0 2 6 5 1 R U (54) ТРАНСМИССИОННОЕ МАСЛО (57) Реферат: Изобретение относится к области смазочных композиций, предназначенных для агрегатов трансмиссий авиационного транспорта. Предложено трансмиссионное масло, содержащее в своем составе масло авиационное Б-3В, состоящее из концентрата антиокислительных присадок в базовом пентаэритритовом масле НА10 по СТП 002-2005, меркаптобензтиазола гранулированного (каптакс) в качестве противозадирной присадки и пентаэритритового базового масла по СТП 001-2005. Дополнительно Стр.: 1 (56) Список документов, цитированных в отчете о поиске: ТУ 38.101295-85. Масло авиационное Б-3В. RU 2118983 C1, 20.09.1998. US ...

Emulsified salts of alkylaryl-sulphonic acids - derived from acids having different mol wt for use in emulsifying mineral oils

Emulsifier compsn. consists of salts of alkylaryl sulphonic acids and an organic or inorganic base. The salts are derived from acids mol. wt. of which is distributed according to the function C=f(M) (where C is concn. and M is mol. wt. of the individual acids, and the function exhibits 2 different mol. wt. maxima M1 and M2 with M1 <M2). Pref. M1 >270 (270-400) and M2 is 350-600(450-550), where difference M2 - M1 >40 (40-350). The compsns. are used in emulsifying mineral oil, esp. having viscosity 5-100 cst at 40 degrees C, pref. naphthenic mineral oils, e.g. used as emulsifiable lubricants in metal cutting. Improved emulsion stability is obtd.

Overbased alkylated arylalkyl sulfonates

过碱性烷基化芳基烷基磺酸盐容易制备并且可用作各种润滑剂应用中的清净剂。

Thioorgano-metal complexes - as additives in oils elastomers etc

Thioorganic-metal complex of formula (I) (in which M is transition metal, Zn, Cd, Sn, Pb, Sb, Bi of oxidation state, R is 1-20C (halo)hydrocarbyl, contg. 0-3 O, S or N atoms; X is 1-20C divalent hydrocarbyl contg. 0-3 O, S or N atoms; Z is O or S, at least one in cpd. being S) are used as additives to hydraulic fluids, transformer oils, elastomers or lubricants esp. as antioxidants, anti-wear and extreme-pressure additives to synthetic or petroleum lube oils.

Method for lubricating diamond-like carbon coated surfaces

A method of lubricating a surface coated with a diamond-like carbon film or coating which comprises supplying to said surface a lubricating oil composition comprising an oil of lubricating viscosity and an effective friction reducing amount of an oil soluble organo-molybdenum compound.

PROCESS FOR THE PREPARATION OF METAL DITHIOBENZOATES, AND LUBRICATING HYDROCARBON COMPOSITIONS CONTAINING SUCH AN ADDITIVE

New sulfonated bismuth compounds, their preparation and their use in particular for the preparation of overbased colloidal products, themselves usable as additives for lubricants.

Compositions of molybdenum dialkyldithiocarbamate and lubricating compositions containing it

FIELD: chemistry. SUBSTANCE: invention relates to method for obtaining molybdenum dithiocarbamate composition. Method includes stages of obtaining di-tridecylamine (DTDA), intermediate product from butylenes raw material, containing more than 50% of 2-butylene, and obtaining from intermediate product DTDA C 11 -C 14 molybdenum dithiocarbamate, in which alkyl groups, included into its composition, contain on average more than 98% of C 13 . Method for obtaining lubricating composition and reaction product are also claimed. EFFECT: invention makes it possible to obtain molybdenum dithiocarbamate composition, which has better solubility in oils with high viscosity index and/or at cooler temperatures. 4 cl, 1 dwg, 5 tbl, 7 ex РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2 566 744 C2 (51) МПК C07F 11/00 (2006.01) C10M 135/18 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ (21)(22) Заявка: ИЗОБРЕТЕНИЯ К ПАТЕНТУ 2013150806/04, 21.03.2012 (24) Дата начала отсчета срока действия патента: 21.03.2012 (43) Дата публикации заявки: 20.05.2015 Бюл. № 14 (73) Патентообладатель(и): ВАНДЕРБИЛТ КЕМИКАЛЗ, ЭлЭлСи (US) R U Приоритет(ы): (22) Дата подачи заявки: 21.03.2012 (72) Автор(ы): ДОННЕЛЛИ Стивен Г. (US), АГИЛАР Гастон А. (US), ЧЕЙЗ Кевин Дж. (US), УОЛЛЕК Уилльям Т. (US) (45) Опубликовано: 27.10.2015 Бюл. № 30 2 5 6 6 7 4 4 (56) Список документов, цитированных в отчете о поиске: US 20070249852 A1, 25.10.2007 . US 6245725 B1, 12.06.2001 . US 20070203033 A1, 30.08.2007 . US 5627146 A1, 06.05.1997. EP 638582 A2, 15.02.1995. RU 2009120019 A, 10.12.2010 (85) Дата начала рассмотрения заявки PCT на национальной фазе: 15.11.2013 (86) Заявка PCT: 2 5 6 6 7 4 4 R U C 2 C 2 US 2012/029865 (21.03.2012) (87) Публикация заявки PCT: WO 2012/141855 (18.10.2012) Адрес для переписки: 129090, Москва, ул. Б. Спасская, 25, строение 3, ООО "Юридическая фирма Городисский и Партнеры" (54) КОМПОЗИЦИИ ДИАЛКИЛДИТИОКАРБАМАТА МОЛИБДЕНА И СОДЕРЖАЩИЕ ЕГО СМАЗОЧНЫЕ КОМПОЗИЦИИ (57) Реферат: ...

Lubricating oil improvements

LOW-BASED ALKYLARYL SULFONATES AND LUBRICATING OIL CONTAINING THEM

LOW-BASED ALKYLARYL SULFONATES AND LUBRICATING OIL CONTAINING THE SAME

L'invention concerne des alkylaryl sulfonates de métaux alcalino terreux surbasés faibles.Selon l'invention, ils ont un Nombre Total de Bases d'environ 2 à environ 30, une teneur en dialkylate de 0 % à environ 25 % et une teneur en monoalkylate d'environ 75 % à environ 100 %, et le fragment d'alkylaryle est l'alkyltoluène ou l'alkybenzène dans lequel le groupe alkyle est un groupe alkyle à chaîne ramifiée C15 -C21 dérivé d'un oligomère de propylène.L'invention s'applique notamment à la production d'huiles de lubrification. Disclosed are low overbased alkaline earth metal alkylaryl sulfonates, according to the invention having a Total Basis of from about 2 to about 30, a dialkylate content of 0% to about 25% and a monoalkylate content. from about 75% to about 100%, and the alkylaryl moiety is alkyltoluene or alkylbenzene wherein the alkyl group is a branched chain C15 -C21 alkyl group derived from a propylene oligomer. applies in particular to the production of lubricating oils.

Patent FR2263026B1

Transition metal ammonium sulphonates useful as - oil additives

Transition metal ammonium salts of oil-soluble sulphonic acids contain 0.5-6 moles of nitrogen per mole of transition metal. The salts are prepared by reacting ammonia with a transition metal salt of an oil-soluble hydrocarbon sulphonic acid in which the hydrocarbon portion has a molecular weight of about 300-1000. The transition metal ammonium salts are used as rust-preventives, oxidation preventives, and for preventing the growth of micro-organisms in soluble oils.