1,1,2,2,3,3,4,4-octaflourobutane compositions

Details 1,1,2,2,3,3,4,4-octaflourobutane compositions 1,1,2,2,3,3,4,4-octaflourobutane compositions

1996-02-23

1998-01-06

Skane, Christine

Cleaning compositions for solid surfaces, auxiliary compositions

Cleaning compositions or processes of preparing

Liquid composition

252 67, 62114, C09K 504, C11D 730, C11D 750

Patent

active

057054711

ABSTRACT:
Compositions of 1,1,2,2,3,3,4,4-octafluorobutane and a hydrocarbon having from 3 to 7 carbon atoms are described. Specific examples include 1,1,2,2,3,3,4,4-octafluorobutane and butane, cyclopropane, isobutane, propane, cyclopentane, 2,2-dimethylbutane, 2-methylbutane, cyclohexane, 2,3-dimethylpentane, 3-ethylpentane, heptane, hexane, methylcyclopentane, 2-methylpentane or 3-methylpentane. Compositions of 1,1,2,2,3,3,4,4-octafluorobutane and ethyl formate, propylene oxide, bis(pentafluoroethyl)sulfide, dimethoxyethane or tetrahydrofuran are also described. The compositions described above, may be azeotropic or azeotrope-like, and may be used 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 or displacement drying agents.

REFERENCES:
patent: 4663361 (1987-05-01), Park
patent: 4789690 (1988-12-01), Milovanovic-Lerik et al.
patent: 5166182 (1992-11-01), Blanpied
patent: 5194170 (1993-03-01), Merchant et al.

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