Functional fluid compositions

Details Functional fluid compositions Functional fluid compositions

1974-03-11

1976-01-27

Pitlick, Harris A.

Compositions

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

Organic components

252 498, C09K 300, C10M 340

Patent

active

039351165

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, and (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.

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: 3865743 (1975-02-01), Sheratte

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