Azeotropic and azeotrope-like compositions of 1,1,2,2-tetrafluor

Details Azeotropic and azeotrope-like compositions of 1,1,2,2-tetrafluor Azeotropic and azeotrope-like compositions of 1,1,2,2-tetrafluor

1991-03-28

1993-01-26

Skaling, Linda

Compositions

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

62114, 203 67, 252162, 252170, 252171, 252305, 252364, 252DIG9, 264 53, 264DIG5, 521 98, 521131, 521910, C08J 906, C09K 330, C09K 504, C11D 730

Patent

active

051820404

ABSTRACT:
The azeotropic and azeotrope-like compositions of 1,1,1,2-tetrafluoroethane and one of 1,1-difluoroethane, 1-chloro-1,1,-difluoroethane, dimethyl ether, perfluorocyclobutane, n-butane, isobutane and 1,1,1,2,3,3,3-heptafluoropropane, and their use as refrigerants, aerosol propellants and blowing agents for polymer foams are disclosed. The azeotropic and azeotrope-like compositions of 1,1,1,2-tetrafluoroethane and one of perfluorocyclobutane and 1,1,1,2,3,3,3-heptafluoropropane are also useful as fire extinguishants.

REFERENCES:
patent: 3732150 (1973-05-01), Bailey
patent: 4226976 (1980-10-01), Goodman et al.
patent: 4771080 (1988-09-01), Ibuki et al.
patent: 4810316 (1989-03-01), Wakabayashi et al.
patent: 4983312 (1991-01-01), Tamura et al.
patent: 5061394 (1991-10-01), Bivens et al.

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