Phosphorus-comprising lubricating oil composition

A lubricating oil composition including a phosphorus compound having two or more hydroxyl groups and a P-N bond in a molecule selected from the group consisting of compounds represented by the general formula (3), (4) or (5):wherein R1 to R5 and R7 to R9, which may be identical or different, each re...

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Main Authors TAIRA KOJI, TOGASHI HIROYASU, HAGIHARA TOSHIYA, KOBAYASHI YUICHIRO, NAKAGAWA SHOJI
Format Patent
LanguageEnglish
Published 20.02.2001
Edition7
Subjects
CHEMISTRY
FUELS
LUBRICANTS
LUBRICATING COMPOSITIONS
METALLURGY
PEAT
PETROLEUM, GAS OR COKE INDUSTRIES
TECHNICAL GASES CONTAINING CARBON MONOXIDE
USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATINGINGREDIENTS IN A LUBRICATING COMPOSITION
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Summary:A lubricating oil composition including a phosphorus compound having two or more hydroxyl groups and a P-N bond in a molecule selected from the group consisting of compounds represented by the general formula (3), (4) or (5):wherein R1 to R5 and R7 to R9, which may be identical or different, each represents an aryl group having 6 to 18 carbon atoms; a linear alkyl group having 1 to 18 carbon atoms; a branched alkyl group having 3 to 18 carbon atoms; a linear alkenyl group having 2 to 18 carbon atoms; or a branched alkenyl group having 3 to 18 carbon atoms; and R6 represents hydrogen atom; a linear alkyl group having 1 to 18 carbon atoms; a branched alkyl group having 3 to 18 carbon atoms; a linear alkenyl group having 2 to 18 carbon atoms; or a branched alkenyl group having 3 to 18 carbon atoms; and a working fluid composition for refrigerating machine including the lubricating oil composition described above, and a hydrofluorocarbon.
Bibliography:Application Number: US19980106137