Functional fluid compositions containing epoxide stabilizers

Details Functional fluid compositions containing epoxide stabilizers Functional fluid compositions containing epoxide stabilizers

1974-03-25

1976-08-24

Pitlick, Harris A.

Compositions

Heat-exchange, low-freezing or pour point, or high boiling...

Organic components

252 498, 252 781, 252 499, 252 56S, 252 57, 252 79, 252396, 252407, 260348C, C10M 340, C10M 320

Patent

active

039765857

ABSTRACT:
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 ester 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 substituted cyclohexane such as C.sub.1-4 alkyl-3,4-epoxycyclohexane. The compositions are particularly useful as aircraft hydraulic fluids.

REFERENCES:
patent: 2862886 (1958-12-01), Davies et al.
patent: 3487020 (1969-12-01), Peeler
patent: 3637507 (1972-01-01), Gentit
patent: 3723320 (1973-03-01), Herber et al.

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