Lubricating oil additive, lubrication oil and working fluid for

Details Lubricating oil additive, lubrication oil and working fluid for Lubricating oil additive, lubrication oil and working fluid for

1997-06-06

1998-04-28

Diamond, Alan

Compositions

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

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

508433, 508440, 508485, 508579, 508583, C09K 504, C10M12908

Patent

active

057440530

ABSTRACT:
A lubricating oil additive contains a partially etherified polyhydric alcohol which has at least two hydroxyl groups and at least one hydrocarbon group having a least one double bond bonded thereto through an ether linkage as an active component. The lubricating additive is added to a lube base oil to form a lubricating oil which imparts excellent wear resistance, scarcely corrodes metallic substances, scarcely swells rubbers or resins and scarcely forms sludge due to thermal oxidation. The lubricating oil is mixed with a refrigerant to give a working fluid suitable for refrigerant compressors of domestic refrigerators, automotive room air conditioners, refrigerators for industrial use and air conditioners.

REFERENCES:
patent: 2448664 (1948-09-01), FiFe et al.
patent: 3933658 (1976-01-01), Beiswanger et al.
patent: 5036108 (1991-07-01), Asahi et al.

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