PHOSPHATE ESTER BASE STOCKS COMPRISING MIXED $i(n)-BUTYL/ISOBUTYL PHOSPHATE ESTERS AND AIRCRAFT HYDRAULIC FLUIDS COMPRISING THE SAME

Disclosed are phosphate ester base fluids and aircraft hydraulic fluids containing mixed n-butyl/isobutyl phosphate ester components. The disclosed aircraft hydraulic fluids contain from about 30 to about 95 weight percent, based on the total weight of the fluid, of n-butyl diisobutyl phosphate or d...

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Bibliographic Details
Main Authors ANTIKA, SHLOMO, POIRER, MARC-ANDRE
Format Patent
LanguageEnglish
French
German
Published 13.10.2004
Edition7
Subjects
ADHESIVES
CHEMISTRY
DYES
FUELS
INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATINGCOMPOSITIONS
LUBRICANTS
LUBRICATING COMPOSITIONS
MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE
METALLURGY
MISCELLANEOUS APPLICATIONS OF MATERIALS
MISCELLANEOUS COMPOSITIONS
NATURAL RESINS
PAINTS
PEAT
PETROLEUM, GAS OR COKE INDUSTRIES
POLISHES
TECHNICAL GASES CONTAINING CARBON MONOXIDE
USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATINGINGREDIENTS IN A LUBRICATING COMPOSITION
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Summary:Disclosed are phosphate ester base fluids and aircraft hydraulic fluids containing mixed n-butyl/isobutyl phosphate ester components. The disclosed aircraft hydraulic fluids contain from about 30 to about 95 weight percent, based on the total weight of the fluid, of n-butyl diisobutyl phosphate or di-n-butyl isobutyl phosphate or a mixture thereof; from 0 to about 15 weight percent, based on the total weight of the fluid, of one or more triaryl phosphates; and an effective amount of a viscosity index improver, an acid control additive and an erosion inhibitor.
Bibliography:Application Number: EP19990961592