Lubricating oil for compression-type refrigerators and polyoxyal

Details Lubricating oil for compression-type refrigerators and polyoxyal Lubricating oil for compression-type refrigerators and polyoxyal

1990-05-02

1993-12-14

Willis, Jr., Prince

Compositions

Electrolytes for electrical devices

252 68, 62114, 568600, C10M10508, C10M10720, C07C 4100, C01K 500

Patent

active

052699552

ABSTRACT:
Disclosed is a lubricating oil for compression-type refrigerators comprising, as a main component, a polyoxyalkylene glycol derivative which has at least one constitutional unit represented by the general formula: ##STR1## wherein R.sup.1 to R.sup.4 are as defined in the specification. Said lubricating oil for compression-type refrigerators has good miscibility with refrigerants including R-134a.

REFERENCES:
patent: 3272889 (1966-09-01), Vandenberg
patent: 3579466 (1971-05-01), Quinlan
patent: 4248726 (1981-02-01), Uchinuma et al.
patent: 4267064 (1981-05-01), Sasaki et al.
patent: 4755316 (1988-07-01), Magid
patent: 4851144 (1989-07-01), McGraw
patent: 4900463 (1990-02-01), Thomas et al.
patent: 4916914 (1990-04-01), Short
patent: 4948525 (1990-08-01), Sasaki et al.
patent: 4971712 (1990-11-01), Gorski et al.

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