Lubricant composition containing sulfurized olefin extreme...

Details Lubricant composition containing sulfurized olefin extreme... Lubricant composition containing sulfurized olefin extreme...

C - Chemistry, Metallurgy

10

M

260/137, 253/87

C10M 1/38 (1980.01)

Patent

CA 1122594

Abstract An additive for improving extreme pressure proper- ties of lubricating oils is made by reacting sulfur mono- chloride with a monoolefin (e.g. isobutene) optionally in the presence of a promoter amount of a lower alkanol (e.g. methanol) to form an adduct, reacting the adduct with sul- fur and sodium sulfide in an aqueous alkanol medium at a ratio of 0.1 to 0.4 gram atom of sulfur per gram mole of sodium sulfide and then recovering the reaction product.

341711

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