Constant boiling compositions of pentafluoroethane, difluorometh

Details Constant boiling compositions of pentafluoroethane, difluorometh Constant boiling compositions of pentafluoroethane, difluorometh

1991-02-01

1993-02-09

Skaling, Linda

Compositions

Vaporization, or expansion, refrigeration or heat or energy...

607651, 62114, 174 17GF, 174 25G, 252 8, 252162, 252172, 252305, 252364, 252DIG9, 264 53, 264DIG5, 521 98, 521131, 521910, C09K 504

Patent

active

051850940

ABSTRACT:
Ternary mixtures of pentafluoroethane, difluoromethane and tetrafluoroethane are useful as refrigerants, aerosol propellants, heat transfer media, gaseous dielectrics, fire extinguishing agents, expansion agents for polyolefins and polyurethanes, and as power cycle working fluids.

REFERENCES:
patent: 2641579 (1953-06-01), Benning
patent: 4157976 (1979-06-01), Ostrozynski et al.
patent: 4303536 (1981-12-01), Orfeo et al.
patent: 4459213 (1984-07-01), Uchida et al.
patent: 4622825 (1986-11-01), Larve et al.
patent: 4810403 (1989-03-01), Bivens et al.
patent: 4943388 (1990-07-01), Shankland et al.
patent: 4971712 (1990-11-01), Gorski et al.
patent: 4978467 (1990-12-01), Shankland et al.
Research Disclosure, vol. 146, Disclosure No. 14623 "Hydrogen-containing Chlorofluorocarbons" disclosed by E. I. du Pont de Nemours & Co., Inc. Jun. 1976 pp. 13-14.

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