Diphenyl ether and benzophenone compositions

Details Diphenyl ether and benzophenone compositions Diphenyl ether and benzophenone compositions

1991-10-03

1995-01-03

Wu, Shean

Compositions

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

Organic components

252 52R, 252578, C09K 500, H01B 320

Patent

active

H00013935

ABSTRACT:
A functional fluid composition comprises a homogeneous mixture of diphenyl ether and benzophenone and at least one additional component selected from the group consisting of dibenzofuran and naphthalene. In a more specific embodiment, a functional fluid composition comprises a homogeneous mixture of diphenyl ether employed in an amount from about 5 to about 80 weight percent, benzophenone employed in an amount from about 5 to about 50 weight percent, and at least one additional component selected from the group consisting of dibenzofuran and naphthalene employed in an amount from about 5 to about 25 weight percent, the diphenyl ether, the benzophenone, and the at least one additional functional fluid composition is thermally stable up to at least about 650.degree. F. and has a freezing point of less than about 54.degree. F.

REFERENCES:
patent: 1874258 (1932-08-01), Dow
patent: 1972847 (1934-09-01), Levine et al.
patent: 3009881 (1961-11-01), Burr et al.

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