Compositions which include 1,1,2,2-tetrafluoroethane and fluorop

Details Compositions which include 1,1,2,2-tetrafluoroethane and fluorop Compositions which include 1,1,2,2-tetrafluoroethane and fluorop

1996-11-12

1998-03-31

McGinty, Douglas J.

Compositions

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

252305, 252364, 62114, 623241, 510177, 510408, 521 98, 521131, 521910, 264 53, 264DIG5, 424 45, C09K 504, C09K 330, C11D 730, C08J 906

Patent

active

057334722

ABSTRACT:
Compositions are disclosed which include 1,1,2,2-tetrafluoroethane and a propane, tris(trifluoromethyl)amine, trifluoromethylsulfur pentafluoride or fluoroethane. The term propane includes compounds of the formula C.sub.3 F.sub.a H.sub.8-a wherein 0.ltoreq.a.ltoreq.8 as well as cyclic compounds of the formula C.sub.3 F.sub.b H.sub.6-b wherein 0.ltoreq.b.ltoreq.6. These compositions are useful as refrigerants, cleaning agents, expansion agents for polyolefins and polyurethanes, aerosol propellants, heat transfer media, gaseous dielectrics, fire extinguishing agents, power cycle working fluids, polymerization media, particulate removal fluids, carrier fluids, buffing abrasive agents, and displacement drying agents.

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Research Disclosure, vol. 146, disclosure No, 14623, Jun. 1976.
Kazachki et al., "Thermodynamic Evaluation of Predicted Fluorinated Ether, EThane, and Propane Azeotropes", 1992 Iternational Refrigeration Conference--Energy Efficiency and New Refrigerants, vol. II, Jul. 1992, pp. 595-605.
Gage et al., "Predictions of Azeotropes Formed from Fluorinated Ethers, Ethanes and Propanes", 1992 Iternational Refrigeration Conference--Energy Efficiency and New Refrigerants, vol. II Jul. 1992, pp. 611-619.

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