Functional fluid compositions containing epoxide stabilizers

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

1974-03-25

1976-03-02

Pitlick, Harris A.

Compositions

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

Organic components

252 498, 252 56R, 252 56S, 252 79HF, 252396, 260348C, C09K 300, C10M 340

Patent

active

039417093

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 norbornyl carboxylate such as C.sub.1.sub.-4 alkyl-5,6-epoxynorbornane carboxylate. The compositions are particularly useful as aircraft hydraulic fluids.

REFERENCES:
patent: 3187018 (1973-03-01), Tinsley et al.
patent: 3637507 (1972-01-01), Gentit
patent: 3723320 (1973-03-01), Herber et al.

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