Sulfurized compositions

Details Sulfurized compositions Sulfurized compositions

1979-07-16

1982-08-17

Douglas, Winston A.

Compositions

Electrolytes for electrical devices

72 42, 252 464, 252 47, 252 475, 252 482, 252 486, 252 488, 260139, C10M 138, C10M 332, C07G 1700, C09B 4900

Patent

active

043448542

ABSTRACT:
Sulfurized compositions are prepared by the reaction, under superatmospheric pressure, of olefinic compounds with a mixture of sulfur and hydrogen sulfide, followed by removal of low boiling materials including unreacted olefin, mercaptan and monosulfide. An optional final step is removal of active sulfur; for example, by treatment with an alkali metal sulfide. The resulting sulfurized compositions are useful as lubricant additives.

REFERENCES:
patent: 4191659 (1980-03-01), Davis

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