FUNCTIONAL FLUID COMPOSITIONS CONTAINING EPOXIDE STABILIZERS

摘要

FUNCTIONAL FLUID COMPOSITIONS CONTAINING EPOXIDE STABILIZERS Functional fluid compositions comprising a major amount of a base stock material which is an ester or amide of an acid phosphorus, a di- or tricarboxylic acid ester, an eater of a polyhydric compound or mixtures thereof, optionally minor amounts of other base stock materials or base stock modifiers such as viscosity index improvers, cavitation damage inhibitors, and lubricity agents, and an additive amount of an acid scavenger and corrosion inhibitor which is a monoepoxy norbornyl carboxylate such as C1-4 alkyl-5,6-epoxynorbornane carboxylate. The compositions are particularly useful as aircraft hydraulic fluids.