Working fluid composition for refrigerating machine

Details Working fluid composition for refrigerating machine Working fluid composition for refrigerating machine

1991-09-10

1993-04-13

Skane, Christine

Compositions

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

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

252 56R, 252 56S, 252 67, 62114, C09K 504, C10M10538

Patent

active

052020444

ABSTRACT:
The present invention is directed to a working fluid composition for refrigerating machine comprising: (i) a hydrofluorocarbon, (ii) a compound having an epoxycyclohexyl group and/or a compound having an epoxycyclopentyl group, and (iii) an ester formed between a neopentylpolyol and a saturated branched aliphatic monocarboxylic acid having a carbon number of 7 to 9.
The working fluid composition of the present invention is excellent in compatibility, lubricity, thermal stability and insulating property.

REFERENCES:
patent: 2807155 (1957-09-01), Williamitis
patent: 3202701 (1965-08-01), Young et al.
patent: 4155861 (1979-05-01), Schmitt et al.
patent: 4755316 (1988-07-01), Magid et al.
patent: 4851144 (1989-07-01), McGraw et al.
patent: 4948525 (1990-08-01), Sasaki et al.
patent: 5021179 (1991-06-01), Zehler et al.

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