Abstract: The invention addresses a problem of providing a lubricating oil composition for gas engines capable of suppressing viscosity increase while reducing a sulfated ash content and excellent in high-temperature detergency and base number retention. The lubricating oil composition is used for gas engines and contains a base oil (A), at least one ash-free additive (B) selected from an ash-free sulfur-based antioxidant (B1) and a hindered amine compound (B2), and a boronated imide-type dispersant (C), and satisfies the following requirements (X1) to (X3): Requirement (X1): the sulfated ash content is 0.2% by mass or less. Requirement (X2): the content of the ash-free additive (B) is 1.2% by mass or less based on the total amount of the lubricating oil composition, provided that in the case where the ash-free additive (B) contains the hindered amine compound (B2), the content of the hindered amine compound (B2) is less than 1.0% by mass based on the total amount of the lubricating oil composition.

Abstract: In metalworking, the amount of sulfur supplied is stabilized in wide temperature and pressure ranges and under an external force, such as a shear force. Thus, a stable iron sulfide film can be formed on the metal surface, and lubricity can be maintained for extended periods. Furthermore, a bulky sulfurized fat or oil with a high molecular weight can be used to form a rigid lubricating oil film with a large oil film thickness on the metal surface and thereby prevent metals from approaching each other. A sulfur-based extreme-pressure agent containing a polysulfide (a) and a sulfurized fat or oil (b) at a mass ratio in the range of 1:0.1 to 1:10. A metalworking fluid containing the sulfur-based lubricating oil composition is also related to.

Abstract: Disclosed is a lubricating oil composition capable of having a good balance of electrical insulation, seizure resistance and wear resistance. In particular, the lubricating oil composition comprises: (A) a lubricant base oil; (B) an alkaline earth metal detergent; (C) a triazole-based compound represented by the following general formula (1) or (2): wherein R1-R6 are as defined herein; (D) at least one sulfur-containing compound selected from the group consisting of a sulfur-containing heterocyclic ether compound and a sulfide compound; and (E) an ashless dispersant.

Abstract: Disclosed herein is a post-treated salt of a sulfurized alkyl-substituted hydroxyaromatic composition which is a reaction product of (a) a salt of a sulfurized alkyl-substituted hydroxyaromatic composition, wherein the alkyl-substituted hydroxyaromatic compound is derived from alkylation of a hydroxyaromatic compound with one or more olefins comprising C9 to C18 oligomers of monomers selected from propylene, butylene or mixtures thereof, (b) a source of an aldehyde and (c) a primary and/or secondary monoamine compound having at least one active hydrogen. The post-treated salt of a sulfurized alkylhydroxyaromatic composition disclosed herein has a reduced content of unsulfurized alkyl-substituted hydroxyaromatic compound and its unsulfurized metal salt as compared to the content, by combined mass, of the unsulfurized alkyl-substituted hydroxyaromatic compound and its unsulfurized metal salt present in the non-post-treated salt of a sulfurized alkyl-substituted hydroxyaromatic composition.

Abstract: A composition that includes one or more compounds represented by the formula R1(X)R2 wherein R1 is an alkyl group having from 4 to 40 carbon atoms, R2 is an aliphatic group having from 4 to 20 carbon atoms, an aromatic group having from 6 to 20 carbon atoms, or a cycloaliphatic group having from 5 to 20 carbon atoms, and X is a heteroatom. The composition has a viscosity (Kv100) from 2 to 30 at 100° C., a viscosity index (VI) from 100 to 200, and a Noack volatility of no greater than 20 percent. The disclosure also relates to a process for producing the composition, a lubricating oil base stock and lubricating oil containing the composition, and a method for improving one or more of solubility and dispersancy of polar additives in a lubricating oil by using as the lubricating oil a formulated oil containing the composition.

Abstract: The invention provides a lubricating composition containing an oil of lubricating viscosity and a nitrile compound. The invention further relates to a method of the lubricating an internal combustion engine with the lubricating composition.

Abstract: Disclosed is a process for preparing a salt of a sulfurized alkyl-substituted hydroxyaromatic composition having a reduced content of unsulfurized alkyl-substituted hydroxyaromatic compound and its unsulfurized metal salt.

Abstract: The lubricating oil composition of the present invention comprises at least one species of aromatic constituent selected from the following (a1) to (a5): (a1) a lubricating base oil comprising a polycyclic aromatic content of 0.01% by mass or more based on the total amount of base oil (a2) a lubricating base oil comprising a total aromatic content of 20 to 100% by mass based on the total amount of base oil (a3) an aromatic solvent (a4) at least one species of polycyclic aromatic compound selected from alkyl naphthalene and compounds having three or more aromatic rings, and (a5) an aromatic compound having a nitrogen atom, an oxygen atom or a sulfur atom; and an organic molybdenum compound.

Abstract: A method in which an improved lubricating composition containing ionic liquids is used to enable operation of chains, steel belts, wheel bearings, roller bearings, sliding bearings and electric motors for at least 48 hours by reducing the evaporation loss and the lackification tendency of the lubricant due to the lubricant being protected against thermal and oxidative attack.

Abstract: Provided are a lubricating engine oil and a method of improving nitrile seal compatibility with a lubricating oil in an engine lubricated with such lubricating oil. The method includes using as the lubricating oil a formulated oil comprising a lubricating oil base stock as a major component and one or more additives selected from the group consisting of (i) a sulfone, sulfolane, or derivative thereof; (ii) a borate ester, boron amide, or mixtures thereof; (iii) a sulfurized olefin; (iv) a thiadiazole or derivative thereof; and (v) a succinic anhydride or derivative thereof, as a minor component. Nitrile seal compatibility is improved as compared to nitrile seal compatibility achieved using a lubricating oil containing a minor component other than the one or more additives.

Abstract: The lubricating oil composition of the present invention comprises at least one species of aromatic constituent selected from the following (a1) to (a5): (a1) a lubricating base oil comprising a polycyclic aromatic content of 0.01% by mass or more based on the total amount of base oil (a2) a lubricating base oil comprising a total aromatic content of 20 to 100% by mass based on the total amount of base oil (a3) an aromatic solvent (a4) at least one species of polycyclic aromatic compound selected from alkyl naphthalene and compounds having three or more aromatic rings, and (a5) an aromatic compound having a nitrogen atom, an oxygen atom or a sulfur atom; and an organic molybdenum compound.

Abstract: A low-sulfur, low-phosphorus composition comprising an oil of lubricating viscosity; a substantially nitrogen-free sufurized olefin antiwear agent; a nitrogen-containing dispersant; and an overbased detergent selected from the group consisting of salixarates, saligenins, salicylates, and glyoxylates; containing less than about 0.1 percent by weight phosphorus, less than about 0.5 percent by weight sulfur, and having less than about 1.2% sulfated ash, is useful for lubricating a diesel engine, exhibiting good antiwear performance.

Abstract: An overbased, sulfurized salt of at least one alkylated hydroxyaromatic compound, wherein the alkyl substituent of the hydroxyaromatic compound is a residue of at least one isomerized olefin having from about 15 to about 99 wt. % branching is disclosed. The overbased, sulfurized salt of at least one alkylated hydroxyaromatic compound is produced by the process comprising: (a) alkylating at least one hydroxyaromatic compound with at least one isomerized olefin having from about 15 to about 99 wt. % branching obtained by isomerizing at least one normal alpha olefin having from about 10 to about 40 carbon atoms, to provide at least one alkylated hydroxyaromatic compound; (b) neutralizing and sulfurizing the alkylated hydroxyaromatic compound in any order to provide at least one neutralized, sulfurized alkylated hydroxyaromatic compound; and (c) overbasing the at least one neutralized, sulfurized alkylated hydroxyaromatic compound.

Abstract: A composition is disclosed comprising an oily medium and at least one compound represented by the following formula (Z) A-L-[D1-(E)q-D2-(B)m—Z1—R]p??(Z) wherein A represents a p-valent chain or cyclic residue; L represents a single bond or a divalent linking group; p represents a carbonyl group or a sulfonyl group; D2 represents a carbonyl group, a sulfonyl group, a carboxyl group, a sulfonyloxyl group, a carbamoyl group, or a sulfamoyl group; E represents a divalent group; R represents a hydrogen atom, a substituted or non-substituted C8 or longer alkyl group, a perfluoroalkyl group or a trialkylsilyl group; B represents an oxyethylene group or the like; and Z1 represents a single bond or a divalent group.

Abstract: The present invention provides for polyisobutenyl sulfonates, methods for preparing them, and composition employing them; wherein said polyisobutenyl sulfonates have improved low temperature and high temperature viscometric properties. The polyisobutenyl sulfonates are prepared by sulfonating polyisobutene and reacting the polyisobutenyl sulfonate with an alkali metal or alkaline earth metal, wherein the polyisobutene is characterized by having at least 90 mole percent methyl-vinylidene, a number average molecular weight of about 350 to 5,000, and a ratio of weight average molecular weight to number average molecular weight Mw/Mn of from about 1.01 to about 1.4.

Abstract: Provided is a lubricating oil composition suitable for use in rotary pneumatic and reciprocating tools, comprising a Fischer-Tropsch base oil, a friction modifier based on synthetic ester and a sulfurized extreme pressure agent. The present lubricating oil composition has superior wear, friction and extreme pressure characteristics.

Abstract: The present invention concerns a method for a location and/or time-dependent alteration of the friction coefficient and/or adhesion force between two bodies, which includes irradiation of one or both contact surfaces between the bodies with radiation, use of the method according to the invention for location and/or time-dependent alteration of the friction coefficient and/or adhesion force between to bodies, a system that includes two bodies in which the friction coefficient and/or the adhesion force between the bodies can be temporarily or permanently altered, and a device for location and/or time-dependent regulation of the friction coefficient and/or adhesion force which includes the system according to the invention and a control unit.

Abstract: An overbased, sulfurized salt of at least one alkylated hydroxyaromatic compound, wherein the alkyl substituent of the hydroxyaromatic compound is a residue of at least one isomerized olefin having from about 15 to about 99 wt. % branching is disclosed. The overbased, sulfurized salt of at least one alkylated hydroxyaromatic compound is produced by the process comprising: (a) alkylating at least one hydroxyaromatic compound with at least one isomerized olefin having from about 15 to about 99 wt. % branching obtained by isomerizing at least one normal alpha olefin having from about 10 to about 40 carbon atoms, to provide at least one alkylated hydroxyaromatic compound; (b) neutralizing and sulfurizing the alkylated hydroxyaromatic compound in any order to provide at least one neutralized, sulfurized alkylated hydroxyaromatic compound; and (c) overbasing the at least one neutralized, sulfurized alkylated hydroxyaromatic compound.

Abstract: Described are multi-ring antioxidant products comprising at least one sulfur-bridged aromatic hydrocarbon compound substituted on at least one of its aromatic rings by at least one sterically hindered 3,5-dihydrocarbyl-4-hydroxybenzyl moiety. Such products have the formula: R—Sn—R[—S—R]m wherein each R is, independently, an aromatic hydrocarbon group having 6-12 carbon atoms, wherein m is 0-20, wherein n is 1-6 when m is 0, and when n is 1, m is 1-20; and wherein at least one of R, R1, and R2 is substituted by at least one such sterically hindered moiety. The preparation of such products and their use as antioxidants in compositions normally susceptible to oxidative degradation in oxygen or air, e.g., liquid fuel and lubricants, are also described.

Abstract: A lubricant composition is disclosed that comprises lubricating oil and a mixture of at least two antioxidants, the first antioxidant being a substituted diphenylamine and/or a heterocyclic amine and the second antioxidant being a substituted phenol. Also disclosed is a method of increasing the oxidation stability of a lubricating oil comprising adding thereto at least two antioxidants, the first antioxidant being a substituted diphenylamine and/or a heterocyclic amine and the second antioxidant being a substituted phenol.

Abstract: The invention provides a lubricating composition containing an oil of lubricating viscosity and a calcium-containing detergent with a soap content of 0.06 wt % to 1.6 wt % of the lubricating composition. The lubricating composition is suitable for lubricating an internal combustion engine.

Abstract: An electrical insulating oil composition comprising a heavy reformate as an anti-gassing agent is provided with excellent gassing tendency. In one embodiment, the composition displays a gassing performance of <30 ?L per minute as measured according to ASTM D2300-08. In a second embodiment, the composition displays a gassing performance of <0 ?L per minute.

Abstract: A lubricating oil composition having a total base number of more than 15 mg KOH/g, as determined by ASTM D2896, and including at least 40 mass % of an oil of lubricating viscosity; at least one detergent; and at least one compound of the formula (II): In formula (II), each Ar independently represents an aromatic moiety having 0 to 3 substituents selected from the group consisting of alkyl, alkoxy, alkoxyalkyl, hydroxy, hydroxyalkyl, acyloxy, acyloxyalkyl, aryloxy, aryloxy alkyl, halo and combinations thereof; each L is independently a linking moiety comprising a carbon-carbon single bond or a linking group; each Y? is independently a moiety of the formula Z(O(CR2)n)yX—, wherein X is selected from the group consisting of (CR?2)z, O and S; R and R? are each independently selected from H, C1 to C6 alkyl and aryl; z is 1 to 10; n is 0 to 10 when X is (CR?2)z, and 2 to 10 when X is O or S; y is 1 to 30; Z is H, an acyl group, an alkyl group or an aryl group; each a is independently 0 to 3, with the proviso tha

Abstract: Lubricant compositions having improved load carrying capacity comprising an extreme pressure compound comprising a sulfur-containing compound, a load carrying capacity enhancing combination comprising a hydrocarbylamine compound and an alkylphosphorothioate compound, a friction modifier compound, and a diluent or base oil as applicable. These lubricant compositions can be used as industrial oils well-suited for the demands of geared device applications, such as in wind turbine gear-boxes and automotive gears and axles.

Abstract: The present invention provides a grease showing low thermal resistance, which is not significantly deteriorated by a heat cycle, particularly, a grease suitable as a thermally conductive material for heat-generating electronic components. A grease containing one type or at least two types of thermally conductive material powder selected from the group consisting of a thermally conductive material (A), a thermally conductive material (B) and a thermally conductive material (C), wherein the particle size distribution of the thermally conductive material powder measured by a laser diffraction type particle size distribution method, has population peaks in the ranges of from 2.0 to 10 ?m, from 1.0 to 1.9 ?m and from 0.1 to 0.9 ?m, respectively, and the grease contains a base oil having a surface tension of from 25 to 40 dyn/cm at 25° C.

Abstract: An overbased salt of an oligomerized alkylhydroxyaromatic compound is disclosed, wherein the alkyl group of the alkylhydroxyaromatic compound is derived from an olefin mixture comprising propylene oligomers having an initial boiling point of at least about 195° C. and a final boiling point of no more than about 325° C. as measured by ASTM D86. Also disclosed is a lubricating oil composition containing at least (a) a major amount of an oil of lubricating viscosity and (b) the overbased salt of the oligomerized alkylhydroxyaromatic compound.

Abstract: The lubricating base oil of the invention satisfies at least one of conditions (a) or (b) below. The lubricating oil composition for an internal combustion engine according to the invention comprises the lubricating base oil of the invention, an ashless antioxidant containing essentially no sulfur as a constituent element, and at least one compound selected from among ashless antioxidants containing sulfur as a constituent element and organic molybdenum compounds. Also, a lubricating oil composition for a power train device according to the invention comprises the lubricating base oil of the invention, a poly(meth)acrylate-based viscosity index improver and a phosphorus-containing compound. (a) The saturated component content is 90% by mass or greater, and the proportion of cyclic saturated components among the saturated components is 10-40% by mass. (b) The condition represented by the following formula (1) is satisfied. 1.440?n20?0.002×kv100?1.453 (1) [wherein n20 represents the 20° C.

Abstract: Metalworking fluids contain active sulfur, a certain kind of inactive sulfur called “available sulfur”, and fat in a base oil of a lubricating viscosity. The metalworking fluids are chlorine free and phosphorous free. Boundary lubrication is provided by the fat, while extreme pressure lubrication is provided by the sulfur. Available sulfur is inactive sulfur minus any contribution of inactive sulfur from sulfurized saturated fats. Active sulfur and available sulfur are present in balanced proportions, while fat is present at an amount effective to provide boundary lubrication. Use of the fluids reduces tool wear over a long period of action and over a variety of boundary and extreme pressure conditions.

Abstract: The invention provides a lubricating composition containing hydrocarbyl-capped polyoxyalkylene polyol. The invention further provides lubricating compositions containing the hydrocarbyl-capped polyoxyalkylene polyol; and a method for lubricating a mechanical device with the lubricating composition.

Abstract: Provided is a lubricant composition containing a lubricant base oil and 0.5 to 10 mass % of (A) an ethylene/?-olefin copolymer having a number average molecular weight of 2,800 to 8,000, in which the lubricant base oil used here has a kinematic viscosity at 100° C. of 1.5 to 40 mm2/s, a viscosity index of 100 or more, a pour point of ?25° C. or lower, and a sulfur content of 0.01 mass % or less, and the lubricant composition has low viscosity and a long metal fatigue life, while being excellent in low-temperature fluidity and oxidation stability, thereby being particularly suitable as a lubricant for automobile transmissions or the like.

Abstract: Provided is a grease composition with a long service life under high-temperature conditions, considerable low-evaporability, and incombustibility. The invention provides a grease composition comprising, as a base oil, an ionic liquid formed of a cation and an anion and having an ion concentration of 1 mol/dm3 or more as measured at 20° C., and a thickener having a dropping point of 260° C. or higher.

Abstract: The present invention relates to the use of end groups Y, where Y stands for (formula I), where Rf stands for CF3—(CH2)r—, CF3—(CH2)r—O—, CF3—(CH2)r—S—, CF3CF2—S—, SF5—(CH2)r—, [CF3—(CH2)r]2N—, [CF3—(CH2)r]NH— or (CF3)2N—(CH2)r—, B stands for a single bond, O, NH, NR, CH2, C(O)—O, C(O), S, CH2—O, O—C(O), N—C(O), C(O)—N, O—C(O)—N, N—C(O)—N, O—SO2 or SO2—O, R stands for alkyl having 1 to 4 C atoms, b stands for 0 or 1 and c stands for 0 or 1, q stands for 0 or 1, where at least one radical from b and q stands for 1, and r stands for 0, 1, 2, 3, 4 or 5, as end group in surface-active compounds, to corresponding novel compounds, and to processes for the preparation of these compounds.

Abstract: Oxidation stable oil formulation comprising a base oil composition comprising a mineral-derived naphthenic base oil, a mineral-derived paraffinic base oil, and/or a Fischer-Tropsch derived paraffinic base oil, a copper passivator and at most 0.1 wt % of an organic sulphur or phosphorus anti-wear additive.

Abstract: The refrigerating machine oil composition of the invention is characterized by containing a mixed base oil which has a kinematic viscosity at 40° C. of 0.11 to 8 mm2/s and which is composed of a low-viscosity base oil (A) having a kinematic viscosity at 40° C. of 5 mm2/s or lower, and a high-viscosity base oil (B) having a kinematic viscosity at 40° C. of 20 to 400 mm2/s, each of the base oil (A) and (B) being composed of at least one species selected from among a mineral oil, a synthetic hydrocarbon compound, an oxygen-containing compound, and a sulfur-containing compound. The refrigerating machine oil composition exhibits enhanced energy saving performance by virtue of its low viscosity, has excellent sealing performance and load resistance, and can be employed in various refrigeration means, particularly suitably in a closed-type refrigerator.

Abstract: An electrical insulating oil composition comprising a heavy reformate as an anti-gassing agent is provided with excellent gassing tendency. In one embodiment, the composition displays a gassing performance of <30 ?L per minute as measured according to ASTM D-2300-1976. In a second embodiment, the composition displays a gassing performance of <0 ?L per minute. In a third embodiment, the composition displays a negative gassing tendency as low as <?70 ?L per minute.

Abstract: Lubricant compositions having improved anticorrosion performance comprising an extreme pressure compound comprising a sulfur-containing compound, an antiwear compound comprising a phosphorous-containing compound, an alkylene amine friction modifying compound, a dispersant compound containing basic nitrogen, and a diluent or base oil as applicable, wherein any of compounds other than the diluent or base oil can be the same or different compounds. These lubricant compositions provide improved anticorrosion resistance and fatigue performance, which prolongs service lives of lubricated parts, especially those used in outdoor applications.

Abstract: There is disclosed a lubricant composition comprising at least one anionic compound; and at least one cationic compound, wherein at least one of the anionic compound and the cationic compound is a friction modifier; and wherein the composition has (i) a temperature roll over difference of about 27° F. or greater, and (ii) a passing High Temperature L-37 score.

Abstract: A method and system to reduce fuel consumption and environmental impact in a two-stroke engine. Fresh system oil having a TBN less than 10 is provided and used in the two-stroke engine to produce partially used system oil. The partially used system oil is withdrawn from the two stroke engine and at least one friction modifier is added to at least some of the withdrawn partially used system oil, wherein the addition of the at least one friction modifier reduces the friction coefficient of the withdrawn system oil, resulting in a system oil having reduced friction. The system oil with reduced friction is combined with partially used system oil remaining in said two-stroke and the combined system oil is used to lubricate pistons of said two-stroke engine.

Abstract: A non-chlorine type lubricant in which a sulfur type extreme pressure additive, an organic zinc compound, a calcium type additive, and an ester compound are blended with a base oil for the lubricant, and having a kinetic viscosity from 5 to 50 mm2/s at 40° C.

Abstract: 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.

Abstract: The present invention relates to the use of end groups Y, where Y stands for CF3O— or F5S—, as hydrophobic end group in surface-active compounds, corresponding novel compounds, and processes for the preparation of these compounds.

Abstract: The present invention provides for polyisobutenyl sulfonates, methods for preparing them, and composition employing them; wherein said polyisobutenyl sulfonates have improved low temperature and high temperature viscometric properties. The polyisobutenyl sulfonates are prepared by sulfonating polyisobutene and reacting the polyisobutenyl sulfonate with an alkali metal or alkaline earth metal, wherein the polyisobutene is characterized by having at least 90 mole percent methyl-vinylidene, a number average molecular weight of about 350 to 5,000, and a ratio of weight average molecular weight to number average molecular weight Mw/Mn of from about 1.01 to about 1.4.

Abstract: The present invention relates to the use of viscosity modifiers in a control release additive gel. Furthermore, the present invention relates to an additive gel containing a viscosity modifier that control releases additives into a lubricant.

Abstract: The grease composition of the present invention contains, in a lubricant base oil, 0.01 to 10% by mass of a fatty acid salt, 0.01 to 10% by mass of carbonate, 2 to 30% by mass of a thickener, and 0.1 to 20% by mass of a sulfur type extreme-pressure agent on the basis of the total amount of composition.

Abstract: The present invention describes an improved lubricant composition comprising a particularly effective combination of components comprising ashless antiwear and rust inhibitor additives with an antioxidant liquid mixture formed by reacting an olefin with a mixture of diphenylamines and phenothiozines.

Abstract: Dithiocarbamate derivative compounds, useful as multifunctional additives for lubricating oils and fuels, are provided and are derived from a reaction product obtained from (a) a di(hydrocarbyl)thiocarbamate intermediate derived from the reaction of a dihydrocarbylamine and carbon disulfide; (b) an amide of the general formula R7CONH2 wherein R7 is an alkylene group having 2 to about 30 carbon atoms; and (c) an effective amount of a carbonyl-containing compound.

Abstract: An aqueous lubricant is provided which by simple application onto metal surfaces forms lubricating films required for heavy working of metals, and which contains no oil. The aqueous lubricant is prepared by suspending or dispersing a metal chelate compound in water with a surfactant or the like. The metal chelate compound has a polydentate or multidentate chelate ligand, in which at least one of the coordinating atoms is sulfur, coordinated to the coordination site of at least one metal species selected from among zinc, manganese, iron, molybdenum, tin and antimony. When applied onto metal surfaces, the aqueous lubricant forms effective lubricating films on the metal surfaces. The lubricating films contain sulfur as coordinating atoms and therefore, extreme pressure produces sulfur radicals through decomposition by tribo-chemical reactions. The sulfur radicals are highly reactive and react rapidly with the metal surface to produce metal sulfides with a lubricating effect.

Abstract: A metal working fluid composition for use as a spray in the mist form, which comprises (a) a base oil comprising at least one of mineral oils and synthetic oils and, based on an amount of an entire composition, (b) 1 to 50% by mass of a sulfur-based extreme pressure agent and (c) 0 to 30% by mass of an ester of a carboxylic acid and a process for metal working which comprises supplying the metal working fluid composition in the mist form. The metal working fluid is inexpensive and exhibits the excellent property for working.

Abstract: A composition comprising: a high-sulfur API Group I mineral oil base stock; a molybdenum dithiocarbamate in an amount suitable to provide 50 to about 600 ppm molybdenum to the composition; a succinimide dispersant based on a polyolefin-substituted succinic structure, where the polyolefin has a number average molecular weight of at least 1500; a zinc dialkyldithiophosphate derived from at least one secondary alcohol; and a hindered phenol, alkylated aromatic amine, or sulfurized olefin oxidation inhibitor, is capable of passing a Sequence III test.

Abstract: A thermoplastic molding composition comprising A) a thermopolastic polymer, e.g., a copolymer of styrene and acyrlonitrile, B) a graft copolymer, e.g., a graft copolymer of styrene, acrylonitrile and polybutadiene, and C) an additive mixture is described. The additive mixture C) comprises a combination of at least three components selected from components (I), (II), (III) and (IV). Component (I) contains carboxylic acid metal salt groups, e.g., magnesium stearate. Component (II) contains both carboxylic acid ester linkages and thio linkages, e.g., esters of &bgr;-thiodipropionic acid with monhydric alcohols. Component (III) contains amide linkages, e.g., ethylenediamine bisstearyl amide. Component (IV) is a compound that is different than components (I)-(III), e.g., a low molecular weight styrene/acrylonitrile copolymer. Also described are molded articles prepared from the thermoplastic molding composition of the present invention.