Compositions and process for use in refrigeration

Details Compositions and process for use in refrigeration Compositions and process for use in refrigeration

1989-12-19

1991-10-01

Willis, Prince E.

Compositions

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

With lubricants, or warning, stabilizing or anti-corrosion...

252 52A, 252 58, 252 67, C09K 504

Patent

active

050531557

ABSTRACT:
A blend of from 10% to 100% 1,1,2,2-tetrafluoroethane with at least one of 1,1,1,2-tetrafluoroethane and pentafluoroethane as refrigerant mixed with a mono- or di-functional polyalkylene glycol based on at least 80% propylene oxide having an SUS viscosity at 100.degree. F. of 100 to 1200 is disclosed for use in compression refrigeration.

REFERENCES:
patent: 4248726 (1981-02-01), Uchinuma
patent: 4267064 (1981-05-01), Sasaki et al.
patent: 4454052 (1984-06-01), Shoji et al.
patent: 4755316 (1988-07-01), Magid et al.
patent: 4851144 (1989-07-01), McGraw

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