Acid-resistant phosphate ester functional fluids

Details Acid-resistant phosphate ester functional fluids Acid-resistant phosphate ester functional fluids

1983-04-01

1984-07-24

Howard, Jacqueline V.

Compositions

Electrolytes for electrical devices

252 785, 252 50, 252 52R, C10M 340, C10M 326

Patent

active

044617135

ABSTRACT:
An acid resistant phosphate ester functional fluid comprises phosphate ester basestock and an additive composition comprising: (1) N-alkyl-2-pyrrolidone, (2) epoxide, and (3) triazole. The functional fluid has utility for lubricating machinery. The additive composition may be prepared separately and used for imparting acid resistance to phosphate esters.

REFERENCES:
patent: 3071549 (1963-01-01), Shark
patent: 3649721 (1972-03-01), Burrows et al.
patent: 3718596 (1973-02-01), Richard, Jr.
patent: 3723320 (1973-03-01), Herber et al.
patent: 3923672 (1975-12-01), Durr et al.
patent: 3926823 (1975-12-01), Durr et al.
patent: 3957668 (1976-05-01), Sheratte
patent: 4169800 (1979-10-01), Dourchis

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