Process of preparing sulfurized olefins

Details Process of preparing sulfurized olefins Process of preparing sulfurized olefins

1978-12-20

1980-12-23

Metz, Andrew

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

252 45, 252 781, 260125, C07G 1700

Patent

active

042409586

ABSTRACT:
A process wherein a sulfur halide and an olefin reacted in the presence of catalytic amounts of iodine provides an increased yield of an intermediate adduct with high olefin to sulfur halide ratio; said adduct is thereafter sulfurized with a metal sulfide to provide increased yield of a sulfurized olefin and, when a minor amount of sulfur halide is added to the adduct prior sulfurizing, a substantially increased yield of sulfurized olefin highly useful as a lubricant additive having improved copper corrosion properties is provided.

REFERENCES:
patent: 2768157 (1956-10-01), Cashman et al.
patent: 3231558 (1966-01-01), McMillen
patent: 3644282 (1972-02-01), Bresson
patent: 3652495 (1972-03-01), Dean
patent: 3873454 (1975-03-01), Horodysky et al.
patent: 3925414 (1975-12-01), Landis et al.
patent: 3944539 (1976-03-01), Horodysky et al.
patent: 4090970 (1978-05-01), Braid

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