A conductive lubricating oil composition including at least one lubricating base oil selected from the group consisting of compounds represented by the following General Formula (1) and compounds represented by the following General Formula (2), and at least one conductivity imparting agent selected from the group consisting of potassium trifluoromethanesulfonate, lithium trifluoromethanesulfonate, lithium nonafluorobutanesulfonate, lithium bis(trifluoromethanesulfonyl)imide, potassium bis(trifluoromethanesulfonyl)imide, and lithium tris(trifluoromethanesulfonyl)methide, in an amount of from 0.01% by mass to 1% by mass, and having a rate of change in conductivity after storage at 120 C. for 200 hours of 10% or less. The definitions of R.sup.1, R.sup.2, m and n in the formulae are as indicated in the specification. Cases of mn=2 are excluded. ##STR00001##

The present invention relates to a magnetic recording medium in which a lubricant layer contains a compound A represented by general formula (1) and a compound B represented by general formula (2), satisfying (A/B)=0.2 to 3.0, and has an average thickness of 0.8 nm to 2 nm. R.sup.1C.sub.6H.sub.4OCH.sub.2CH(OH)CH.sub.2OCH.sub.2R.sup.2CH.sub.2OCH.sub.2CH(OH)CH.sub.2OH . . . (1) (R.sup.1 is an alkoxy group having 1 to 4 carbon atoms. R.sup.2 is CF.sub.2O(CF.sub.2CF.sub.2O).sub.x(CF.sub.2O).sub.yCF.sub.2 (x, y=0 to 15), CF.sub.2CF.sub.2O(CF.sub.2CF.sub.2CF.sub.2O).sub.zCF.sub.2CF.sub.2 (z=1 to 15), CF.sub.2CF.sub.2CF.sub.2O(CF.sub.2CF.sub.2CF.sub.2CF.sub.2O).sub.nCF.sub.2CF.sub.2CF.sub.2 (n=0 to 4). HOCH.sub.2CF.sub.2CF.sub.2O(CF.sub.2CF.sub.2CF.sub.2O).sub.mCF.sub.2CF.sub.2CH.sub.2OCH.sub.2CH(OH)CH.sub.2OH . . . (2) (m is an integer).

A composition having an oil film retention function which an oil film can be stably retained on surfaces of various metals, an anticorrosive agent using same, and insulated terminated electric wire. A composition having oil film retention function for being added to base oil to be applied onto a metal surface and retaining base oil on metal surface, and composition contains a component that is an adduct of an azole compound and acidic alkyl phosphate ester including one or more compounds represented by General Formulae (1) (Chemical Formula 1) P(O)(OR.sub.1)(OH).sub.2 . . . (1) or General Formula (2) (Chemical Formula 2) P(O)(OR.sub.1).sub.2(OH) . . . (2) where R.sub.1 represents an organic group having four or more carbon atoms, and component that is an adduct of a metal and/or organic amine compound and acidic alkyl phosphate ester including one or more compounds represented by General Formulae (1) or (2).

The invention provides a grease composition for lubrication of a sliding surface made of resin, including a fluorine-based base oil and a synthetic hydrocarbon oil as a base oil; a fluorine-based thickener, and a lithium soap thickener or a lithium complex soap thickener as a thickener; and an extreme pressure additive as an additive. The invention also provides a sliding member including a sliding surface made of a resin wherein the grease composition for lubrication is applied to the sliding surface made of a resin.

The present invention provides a lubricating oil composition for a transmission which is excellent in seizure resistance and copper corrosion resistance, and which contains a base oil (A), a sulfur-containing compound (B) having no S.sub.n11 (where n.sub.11 is an integer of 2 or more), and a thiadiazole compound (C) having an S.sub.n2113 R.sup.21 group (where R.sup.21 is a linear hydrocarbon group having 1 or more and 24 or less carbon atoms, and n.sub.21 is 1 or 2), a method for lubricating a transmission, including using the same, and a transmission provided with the same.

The present invention provides a lubricating oil composition for a transmission which is excellent in seizure resistance and copper corrosion resistance, and which contains a base oil (A), a sulfur-containing compound (B) having no S.sub.n11 (where n.sub.11 is an integer of 2 or more), and a thiadiazole compound (C) having an S.sub.n2113 R.sup.21 group (where R.sup.21 is a linear hydrocarbon group having 1 or more and 24 or less carbon atoms, and n.sub.21 is 1 or 2), a method for lubricating a transmission, including using the same, and a transmission provided with the same.

An electric motor driveline fluid for an electric motor system including a lubricating base oil, at least one sulfurized component, and at least one dispersant derived from a polyisobutylene having an average number molecular weight of at least 2000. The electric motor driveline fluid provides acceptable wear performance as well as good electrical conductivity and oxidative stability for use in electric motor system fluids having a low viscosity when select elemental relationships of phosphorus, sulfur, and calcium and included in the fluid.

A device includes a tribological assembly including first and second mechanical components in relative motion with respect to each other, the assembly having a silver-alloy surface and an additive lubricant including at least one component of the formulas (Ia) or (II): M.sub.xNO.sub.y (Ia), where M is Ca, V, Sb, Ni, or Ag, x (M:N ratio) is any number between 0.25 and 2, and y (O:N ratio) is any number between 1 and 8; M.sub.xSiO.sub.y (II), where M is Mg or Al, x (M:Si ratio) is any number between 0.5 and 2, and y (O:Si ratio) is any number between 2.5 and 6, the device being a sealed constant-pressure device.

The present disclosure relates to lubricating compositions including effective amounts of molybdenum from an oil-soluble molybdenum compound and a magnesium boost in the detergent system to achieve passing motor friction and valve train wear performance.

The present disclosure relates to lubricating compositions including effective amounts of molybdenum from an oil-soluble molybdenum compound and a magnesium boost in the detergent system to achieve passing motor friction and valve train wear performance.