Aircraft hydraulic fluid basestocks

Details Aircraft hydraulic fluid basestocks Aircraft hydraulic fluid basestocks

1993-03-04

2000-02-29

Ogden, Necholus

Compositions

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

Organic components

252 77, 252 783, 252 498, C09K 500, C10M10300

Patent

active

060305436

ABSTRACT:
The present invention is a composition particularly suitable for use as a base for aircraft non-flammable hydraulic fluids with reduced wear according to the ASTM four ball test. The compositions comprise trialkyoxyalkyl phosphate esters optionally formulated with alkyl phosphite esters and alkyl and alkaryl phosphate esters.

REFERENCES:
patent: 2750342 (1956-06-01), Mikesa et al.
patent: 2933449 (1960-04-01), Moreton
patent: 3576923 (1971-04-01), Randell et al.
patent: 3592772 (1971-07-01), Godfrey et al.
patent: 3679587 (1972-07-01), Smith
patent: 3769221 (1973-10-01), Burrous
patent: 3849324 (1974-11-01), Sheratte
patent: 3935116 (1976-01-01), Sheratte
patent: 4001129 (1977-01-01), Sheratte
patent: 4116877 (1978-09-01), Outten et al.
Kirk-Othmer, Encyclopedia of Chemical Technology, Third Edition., vol. 12, pp. 712-733, Wiley & Sons, 1980.

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