Lubricant composition containing sulfurized olefin extreme press

Details Lubricant composition containing sulfurized olefin extreme press Lubricant composition containing sulfurized olefin extreme press

1978-10-10

1980-05-27

Metz, Andrew

Compositions

Electrolytes for electrical devices

260139, C10M 138

Patent

active

042049695

ABSTRACT:
An additive for improving extreme pressure properties of lubricating oil is made by reacting sulfur monochloride with a monoolefin (e.g. isobutene) in the presence of a promoter amount of a lower alkanol (e.g. methanol) to form an adduct, reacting the adduct with sulfur and sodium sulfide in an aqueous alkanol made at a ratio of 0.1-0.4 gram atom of sulfur per gram mole of sodium sulfide and then recovering the reaction product.

REFERENCES:
patent: 2291404 (1942-07-01), Morway
patent: 2790833 (1957-04-01), Liao
patent: 3471404 (1969-10-01), Myers
patent: 3481871 (1969-12-01), Myers et al.
patent: 3873454 (1975-03-01), Horodysky et al.
patent: 3925414 (1975-12-01), Landis et al.

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