Binary azeotropic compositions of 1,1,2,2,3,3,4,4-octafluorobuta

Details Binary azeotropic compositions of 1,1,2,2,3,3,4,4-octafluorobuta Binary azeotropic compositions of 1,1,2,2,3,3,4,4-octafluorobuta

1992-04-02

1993-03-16

Skaling, Linda

Compositions

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

252 8, 252162, 252172, 252194, 252305, 252364, 252571, 252DIG9, 60651, 62114, 134 12, 134 31, 134 38, 134 40, 134 42, 174 17GF, 174 25G, 264 33, 264DIG5, 521 98, 521131, B08B 300, C09K 504, C23G 5028, C11D 730

Patent

active

051941708

ABSTRACT:
Azeotropic or azeotrope-like compositions of effective amounts of 1,1,2,2,3,3,4,4-octafluorobutane and trans-1,2-dichloroethylene; cis-1,2-dichloroethylene; or 1,1-dichloroethane to form an azeotropic or azeotrope-like composition are disclosed that are useful as cleaning agents, refrigerants, aerosol propellants, heat transfer media, gaseous dielectrics, fire extinguishing agents, expansion agents for polyolefins and polyurethanes and as power cycle working fluids.

REFERENCES:
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patent: 3927129 (1975-12-01), Haszeldine et al.
patent: 4157979 (1979-06-01), Walters
patent: 4693799 (1987-09-01), Yanagihara et al.
patent: 4789690 (1988-12-01), Milovanovic-Lerik et al.
patent: 4910041 (1990-03-01), Yanagihara et al.
patent: 5059728 (1991-10-01), Li et al.
patent: 5073291 (1991-12-01), Robeck et al.
patent: 5118359 (1992-06-01), Li et al.
Chemical Abstracts, vol. 82, No. 19, Abstract No. 118757y, 1975, Abstract of Burns et al, Anaesthesia, vol. 29(4), 1974, pp. 435-444.

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