Lubricant for refrigerating machine

Details Lubricant for refrigerating machine Lubricant for refrigerating machine

1993-10-06

1995-08-22

Medley, Margaret

Compositions

Electrolytes for electrical devices

252 67, 252 68, 252 58, 62114, C10M10518

Patent

active

054437458

ABSTRACT:
A lubricant for a refrigerating machine is here disclosed which comprises a polyoxyalkylene glycidyl ether represented by the general formula ##STR1## wherein B is a residue of a compound having 2 to 8 hydroxyl groups, A.sub.1 O, A.sub.2 O and A.sub.3 O may be identical or different, each of them is an oxyalkylene group having 2 to 18 carbon atoms, R is a hydrocarbon group having 1 to 24 carbon atoms, a is an integer of from 1 to 100, b is an integer of from 1 to 100, c is an integer of from 1 to 100, l is an integer of from 1 to 8, m is an integer of from 0 to 7, n is an integer of from 0 to 7, and l+m+n is an integer of from 2 to 8.
The above-mentioned lubricant is excellent in stability in the presence of a FLON refrigerant.

REFERENCES:
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patent: 4077895 (1978-03-01), Langdon
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patent: 4431557 (1984-02-01), Shimizu et al.
patent: 4755316 (1988-07-01), Magid et al.
patent: 4851144 (1989-07-01), McGraw et al.
patent: 4900463 (1990-02-01), Thomas et al.
patent: 5080816 (1992-01-01), Sakamoto et al.

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