Halocarbon blends

Details Halocarbon blends Halocarbon blends

1991-07-03

1993-11-16

Skaling, Linda

Compositions

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

60651, 62114, 174176F, 174 25G, 252 2, 252 8, 252162, 252172, 252305, 252364, 252571, 252DIG9, 264 53, 264DIG5, 521 98, 521131, C09K 504, C09K 330, C08J 914, H01B 356

Patent

active

052620778

ABSTRACT:
Azeotrope-like blends are disclosed comprising effective amounts of 1,1,1,2-tetrafluoroethane (HFC-134a), 1,1-difluoroethane (HFC-152a) and a halocarbon selected from the group consisting of 2-chloro-1,1,1,2-tetrafluoroethane (HCFC-124), 2-chloro-1,1,2,2-tetrafluoroethane (HCFC-124a), 1-hydroperfluoropropane (HFC-227ca), 2-hydroperfluoropropane (HFC-227ea), and mixtures thereof.

REFERENCES:
patent: 3819493 (1974-06-01), Fozzard
patent: 4198313 (1980-04-01), Barqiqia
patent: 4530773 (1985-07-01), Enjo et al.
patent: 4810403 (1989-03-01), Bivens et al.
patent: 4945119 (1990-07-01), Smits et al.
patent: 4957625 (1990-09-01), Tamura et al.
patent: 4972003 (1990-11-01), Grunbauer et al.

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