Lubricating oil containing a polyvinyl ether compound for compre

Details Lubricating oil containing a polyvinyl ether compound for compre Lubricating oil containing a polyvinyl ether compound for compre

1994-12-09

1996-05-21

Skane, Christine

Compositions

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

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

252 52R, 252 52A, 252 67, C09K 504, C10M10518

Patent

active

055186432

ABSTRACT:
A lubricating oil for compression-type refrigerators which comprises as the main component thereof a polyvinyl ether compound having excellent compatibility with a hydrofluorocarbon or a hydrochlorofluorocarbon, such as 1,1,1,2-tetrafluoroethane and the like, which can be used as the refrigerant to replace compounds causing environmental pollution, such as dichlorofluoroethane and the like, and having an excellent lubricating property is disclosed. The lubricating oil for compression-type refrigerators comprises as the main component thereof a polyvinyl ether compound having the constituting units expressed by the general formula: ##STR1## wherein R.sup.1, R.sup.2, R.sup.3 are H or a hydrocarbon group of C.sub.1.about.8, R.sup.4 is a bivalent hydrocarbon group of C.sub.2.about.10, R.sup.5 is a hydrocarbon group of C.sub.1.about.10 and m is 0.about.10.

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patent: 5017300 (1991-05-01), Raynolds
patent: 5032306 (1991-07-01), Cripps
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