Abstract:
A lubricating composition comprising a major amount of base oil and a minor amount of an additive package, wherein the additive package comprises: (A) a friction modifier component selected from: (a) one or more a reaction products of an alcohol with a compound of the formula IV: and (b) one or more compounds of the Formulae II-III: wherein wherein R is a linear or branched, saturated, unsaturated, or partially saturated hydrocarbyl having 8 to 22 carbon atoms; R 2 and R 3 are independently selected from hydrogen, C 1 -C 18 hydrocarbyl groups, and C 1 -C 18 hydrocarbyl groups containing one or more heteroatoms; and X is an alkali metal, alkaline earth metal, or ammonium cation and n is the valence of cation X; and (B) at least one metal dialkyl dithio phosphate salt.
Abstract:
A crankcase lubricating oil composition for the crankcase of a spark-ignited or compression-ignited internal combustion engine, comprising a magnesium-containing detergent, in an amount sufficient to provide from 200-4000 ppm magnesium to the lubricating oil composition, in combination with an oil-soluble or oil-dispersible molybdenum compound in an amount sufficient to provide from 600-1500 ppm molybdenum atoms to the lubricating oil composition, and with an oil-soluble or oil-dispersible boron-containing compound in an amount sufficient to provide from 200-600 ppm boron atoms to the lubricating oil composition to improve the friction and fuel economy performance.
Abstract:
An object of the present invention is to provide a compound that can inactivate active alumina in a magnetic head, a lubricant having decomposition resistance, and a magnetic disk using the lubricant. The present invention relates to a fluoropolyether compound represented by formula (1): €ƒ€ƒ€ƒ€ƒ€ƒ€ƒ€ƒ€ƒR 1 -CH 2 -R 2 -CH 2 -R 3 wherein R 1 is C 1 -C 10 alkoxy; R 2 is-(CF 2 ) p O(CF 2 O) x (CF 2 CF 2 O) y (CF 2 CF 2 CF 2 O) z (CF 2 CF 2 CF 2 CF 2 O) w (CF 2 ) p -; x and y are each a real number of 0 to 30; z is a real number of 0 to 30; w is a real number of 0 to 20; p is an integer of 1 to 3; R 3 is-OCH 2 CH(OH)CH 2 OH, -OCH 2 CH(OH)CH 2 OCH 2 CH(OH)CH 2 OH, -O(CH 2 ) m OH, or-OCH 2 (OH) CHCH 2 -OC 6 H 4 -R 4 ; m is an integer of 2 to 8; and R 4 is hydrogen, C 1 -C 4 alkoxy, amino, or an amide residue; and also relates to a lubricant comprising the compound and to a magnetic disk.
Abstract:
Provided are a composition having an oil film retention function with which an oil film can be stably retained on the surfaces of various metals, an anticorrosive agent using the same, and an insulated terminated electric wire. The present invention is directed to a composition having an oil film retention function for being added to base oil to be applied onto a metal surface and retaining the base oil on the metal surface, and the composition contains a component (a) that is an adduct of an azole compound and an acidic alkyl phosphate ester including one or more compounds represented by General Formulae (1) (Chemical Formula 1) P(=O)(-OR 1 )(-OH) 2 ...(1) or General Formula (2) (Chemical Formula 2) P(=O)(-OR 1 ) 2 (-OH) ...(2) where R 1 represents an organic group having four or more carbon atoms, and a component (b) that is an adduct of a metal and/or an organic amine compound and an acidic alkyl phosphate ester including one or more compounds represented by General Formulae (1) or (2).
Abstract:
A lubricant additive including a compound represented by a general formula (1):
(In the general formula (1), R is a hydrocarbon-containing group having a carbon number of no less than 1; X 1 is a single bond, -CONH- group, -NHCO- group, -NH- group, or a linking group having a carbon number of 0 to 1 and having no less than one heteroatom and not having a hydrogen atom bonded to the heteroatom; X 2 is a single bond, or a linking group having a carbon number of 0 to 1 and having no less than one heteroatom and not having a hydrogen atom bonded to the heteroatom; Z is -CN group, -CO 2 CH 3 group, or a group having a carbon number of 0 to 6 and having no less than one heteroatom and a hydrogen atom bonded to the heteroatom; a is 0 or 1; b is 1 or 2; c is 0 or 1; d is an integer of 0 to 2; and Y is -CH 2 - group or -OCH 2 CH 2 - group where d is no less than 1.).
Abstract:
A lubricating composition comprising a major amount of base oil and a minor amount of an additive package, wherein the additive package comprises: (A) a friction modifier component selected from: (a) one or more a reaction products of a compound of the formula IV:
with (i) one or more alcohols; (ii) one or more amine alcohols; or (iii) one or more amines; and (b) one or more compounds of the Formulae II-III: