Abstract: The disclosed invention relates to a dispersant composition comprising at least one block derived from (i) a polyester of a hydroxy substituted carboxylic acid and at least one block derived from (ii) a polyalkylene glycol terminated by a amine group or a hydroxyl group. The invention also provides lubricating compositions containing the described dispersant as well as methods of making and using the described dispersant, including method of making the dispersant, methods of lubricating an engine with a lubricant containing the described dispersant, and methods of reducing sludge formation in an engine.

Abstract: The invention provides a grease composition for use in an image forming apparatus, containing a thickener, a base oil and a lubricity improver, wherein the thickener is a lithium soap, the base oil is a synthetic hydrocarbon oil, the lubricity improver is a polyethylene oxide wax, and the image forming apparatus is equipped with a sliding member and a member for holding the sliding member which is driven to slide through the holding member via the grease composition, one of the sliding member or the holding member for the sliding member having a sliding surface formed from a metal, and the other having a sliding surface formed from a resin.

Abstract: The invention provides a method of lubricating a mechanical device by supplying a lubricating composition containing an oil of lubricating viscosity and a compound having 2 to 20 hydroxy-carboxylic acid residues. The invention further relates to the use of the compound in a driveline device to provide at least one of antiwear performance, friction modification (particularly for enhancing fuel economy).

Abstract: The present invention provides a mixed ester of pentaerythritol or a mixed polyhydric alcohol and carboxylic acids; the mixed polyhydric alcohol consisting of pentaerythritol and dipentaerythritol represented by formula (I), and the carboxylic acids comprising 3,5,5-trimethylhexanoic acid and 2-propylheptanoic acid. The mixed ester exhibits excellent properties (e.g., miscibility with a refrigerant that comprises fluoropropene, low-temperature properties, oxidation stability, oxidation-hydrolysis stability, and lubricity) in a well-balanced manner while having the viscosity within the range required for a refrigerant oil, and may be used in an industrial lubricant (e.g., refrigerant oil) and the like.

Abstract: A lubricant composition including a first fluid having a viscosity from 150 cSt to 2000 cSt at 40° C. (ASTM D-445) and a traction coefficient from 0.01 to 0.025 (MTM TC Method), and a second fluid having a viscosity from 1 cSt to 30 cSt at 40° C. (ASTM D-445) and a traction coefficient from 0.008 to 0.015 (MTM TC Method). The second fluid is miscible with the first fluid. The traction coefficient of the lubricant composition is lower than the traction coefficient of the first fluid and the traction coefficient of second fluid, as determined by the MTM TC Method. Provided is also a method of reducing the traction coefficient of a lubricant composition.

Abstract: The present invention provides an oil composition comprising a lubricating base oil, and an alkylene oxide adduct of a hydroxy acid having a hydrophile-lipophile index of 8 to 15, wherein the oil composition is used for cutting/grinding processing by minimal quantity lubrication system. Further, the present invention provides a cutting/grinding processing method by minimal quantity lubrication system, comprising a step of supplying the oil composition of the present invention in the form of mist together with a compressed fluid to processing sites of a workpiece.

Abstract: The present invention relates to fatty acid esters of polyols or sulfonated fatty acid esters or sulfonated fatty acid amides containing at least one group Y, where Y stands for CF3—(CH2)a—O—, SF5—, CF3—(CH2)a—S—, CF3CF2S—, [CF3—(CH2)a]2N— or [CF3—(CH2)a]NH—, where a stands for an integer selected from the range from 0 to 5, or formula (I), where Rf stands for CF3—(CH2)r—, CF3—(CH2)r—O—, CF3—(CH2)r—S—, CF3CF2—S—, SF5—(CH2)t— or [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, to processes for the preparation of these compounds, and to uses of these surface-active compounds.

Abstract: A water-soluble metalworking fluid contains: at least either one of (A) a block polyalkylene glycol represented by the following formula (1) and (B) a polyalkylene glycol monoether represented by the following formula (2); and (C) an alkanolamine fatty acid salt, HO(EO)a—(PO)b-(EO)cH??(1) in which EO represents —CH2CH2O— and PO represents —CH(CH3)CH2O— or —CH2CH(CH3)O—; each unit of (EO)a, (PO)b and (EO)c is block-bonded; and a and c each is an integer of 1 to 30 and b is an integer of 5 to 100, RO(R?O)dH??(2) in which R represents an alkyl group having 1 to 30 carbon atoms and R?O represents PO or EO; mole fraction of EO is less than 100%; and d is an integer of 1 or 50.

Abstract: There is provided a fluid composition including at least one hydroxy-substituted carboxylic acid. Also provided are methods of inhibiting at least one of corrosion and rust and of improving at least one of lubricity and lead compatibility. Also provided are lubricating, fuel, anticorrosion, antirust, and additive concentration compositions.

Abstract: A grease composition is disclosed, wherein a metallic soap-base thickener containing a long-fiber material having a major axis part length of at least 3 ?m is blended with a base oil obtained by mixing a lubricating oil having a polar group within the molecule structure and a non-polar lubricating oil, which can improve the initial sound (cage sound) of bearing at the starting of operation in a low-temperature environment and is effective on the reduction of fretting damage (abrasion) or torque, and also a rolling bearing and a linear acting apparatus each obtained by packing the grease composition are disclosed, which exhibit excellent low-temperature acoustic property and are reduced in the fretting damage (abrasion) or torque.

Abstract: An aqueous belt lubricant composition comprising water and from 1.0 to 10 wt % of at least a fatty alkyl propylene tetramine, from 1.0 to 10 wt % of at least a fatty alcohol polygylcol ether, all percentages are based on the total weight of the aqueous belt lubricant composition, and at least one acid in an amount sufficient to establish a pH value between about 5.0 and about 7.0. The composition may further comprising one or more of alkoxylated fatty alkyl monoamines, alkoxylated fatty alkyl diamines and/or a solutizer.