Fluid compositions containing refrigerator oils and chlorine-fre

Details Fluid compositions containing refrigerator oils and chlorine-fre Fluid compositions containing refrigerator oils and chlorine-fre

1998-11-06

2000-11-28

Skane, Christine

Compositions

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

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

508485, 508492, C09K 504, C10M10532

Patent

active

061531189

ABSTRACT:
A refrigerator oil for use in compressors using therein a hydrogen-containing halogenocarbon as a refrigerant, consisting essentially of as a base oil at least two esters selected from the group consisting of a specific pentaerythritol ester such as an ester of pentaerythritol with a mono- or dicarboxylic acid, a specific polyol ester such as an ester of trimethylolethane with a mono- or dicarboxylic acid, a specific ester such as an ester of ethylene glycol and a dicarboxylic acid, and a specific polyol ester synthesized from a neopentyl type polyhydric alcohol, a monocarboxylic acid and a dicarboxylic acid; and further comprising at least one kind of an epoxy compound.

REFERENCES:
patent: 5185092 (1993-02-01), Fukuda et al.
patent: 5202044 (1993-04-01), Hagihara et al.
patent: 5395544 (1995-03-01), Hagihara et al.

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