LUBRICANT COMPOSITION COMPRISING POLYALKYLENE OXIDES

A lubricant composition including (a) a first low viscosity polyalkylene oxide based fluid such as a combination of propylene oxide (PO) and butylene oxide (BO) based fluid with a first alcohol as an initiator; wherein the first low viscosity PO/BO based fluid has a number average molecular weight o...

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Bibliographic Details
Main Authors CUTHBERT, John B, KOTNIS, Ashish V, JAZDZEWSKI, Brian A
Format Patent
LanguageEnglish
French
German
Published 22.02.2023
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 lubricant composition including (a) a first low viscosity polyalkylene oxide based fluid such as a combination of propylene oxide (PO) and butylene oxide (BO) based fluid with a first alcohol as an initiator; wherein the first low viscosity PO/BO based fluid has a number average molecular weight of less than about 5 600 Da; and (b) a second high viscosity polyalkylene oxide based fluid such as a combination of ethylene oxide (EO) and propylene oxide (PO) based fluid with a second alcohol as an initiator; wherein the second high viscosity EO/PO based fluid has a number average molecular weight greater than about 600 Da; a process for manufacturing the above lubricant; and a driveline fluid made from the above lubricant composition.
Bibliography:Application Number: EP20170778129