Fire resistant functional fluid compositions

Details Fire resistant functional fluid compositions Fire resistant functional fluid compositions

1974-10-15

1977-02-08

Pitlick, Harris A.

Compositions

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

Organic components

252 781, 252 467, C10M 340, C10M 332

Patent

active

040071235

ABSTRACT:
A functional fluid composition consisting essentially of (1) a phosphorus compound, preferably a phosphate ester containing at least two alkyl groups such as tributyl phosphate or di-n-butyl phenyl phosphate, alone or particularly in combination with a phosphate ester containing at least two aromatic groups, such as n-butyl diphenyl phosphate or tricresyl phosphate, (2) a polyalkylene glycol material, e.g. a polypropylene glycol ether having a molecular weight ranging from about 600 to about 1200, and particularly a combination of at least two polyalkylene glycol materials, e.g. two polypropylene glycol ethers having substantially different molecular weights, and (3) a small amount of certain halogenated organic selenides or tellurides, preferably a chlorinated aryl selenide such as 4,4'-dichlorodiphenyl diselenide, or a chlorinated selenophene or a chlorinated tellurophene, e.g. tetrachloroselenophene or tetrachlorotellurophene.

REFERENCES:
patent: 2549270 (1951-04-01), Watson
patent: 2566623 (1951-09-01), Moreton
patent: 2636861 (1953-04-01), Watson
patent: 2659699 (1953-11-01), George et al.
patent: 2687377 (1954-08-01), Stewart et al.
patent: 3723320 (1973-03-01), Herber et al.
patent: 3730897 (1973-05-01), McCord et al.
patent: 3730898 (1973-05-01), McCord et al.
patent: 3795619 (1974-03-01), Sheratte
patent: 3795621 (1974-03-01), Sheratte
patent: 3865743 (1975-02-01), Sheratte

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