Phosphonitrileester lubricant for hydrogen-containing chloro-flu

Details Phosphonitrileester lubricant for hydrogen-containing chloro-flu Phosphonitrileester lubricant for hydrogen-containing chloro-flu

1991-11-14

1993-02-09

Skane, Christine

Compositions

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

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

252 499, 252 67, 558 80, C09K 504, C10M10556, C10M10574

Patent

active

051850958

ABSTRACT:
The object of the present invention is to provide a lubricant which has a wide range viscosity-temperature characteristic, low pour point and compatibility with hydrogen-containing chloro-fluoro carbons and fluoro carbons refrigerants.
To achieve the object mentioned above, a lubricant for hydrogen-containing chloro-fluoro carbon and fluoro carbon refrigerants according to the present invention has a formula (1): ##STR1## wherein n is 3 to 4, X and X' are same or different and each selected from a group of moieties represented by the formula:

REFERENCES:
patent: 3450799 (1969-06-01), Kober et al.
patent: 3462518 (1969-08-01), Kober et al.
patent: 4948525 (1990-08-01), Sasaki et al.
patent: 4971897 (1990-11-01), Chen et al.

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