Refrigeration compositions

Details Refrigeration compositions Refrigeration compositions

1992-12-07

1995-03-21

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, C09K 504, C10M10542

Patent

active

053992792

ABSTRACT:
Ester oils that (1) correspond to the formula ROOC-CH.sub.2 CH.sub.2 -(ROOC-CHCH.sub.2).sub.m -C(COOR).sub.2 -(CH.sub.2 CHCOOR).sub.n -CH.sub.2 CH.sub.2 COOR in which the R's represent alkyl groups of 1-30 carbons and the sum of m and n in the molecules is an average of 0-30 and (2) have viscosities suitable for refrigeration lubricants can be given excellent miscibility with fluorohydrocarbon refrigerants, such as R-134a, when at least 10% of the R groups contain 1-4 carbons.

REFERENCES:
patent: 2396626 (1946-03-01), Wiest et al.
patent: 4944890 (1990-08-01), Deeb et al.
patent: 5021179 (1991-06-01), Zehler et al.
patent: 5096606 (1992-03-01), Hagihara et al.

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