Process for the manufacture of dialkyl disulfides and polysulfid

Details Process for the manufacture of dialkyl disulfides and polysulfid Process for the manufacture of dialkyl disulfides and polysulfid

1988-05-18

1990-06-26

Ceperley, Mary E.

Organic compounds -- part of the class 532-570 series

Organic compounds

Sulfur containing

568 21, 568 72, 568 73, C07C14800

Patent

active

049373854

ABSTRACT:
A process is disclosed for continuously preparing dialkyl disulfides and dialkyl polysulfides by reacting at elevated temperature and in the presence of a solid, particulate catalyst an alkene and hydrogen sulfide in a first reaction zone, and then passing the reactor effluent into a second reaction zone where it is reacted at elevated temperature with molten, elemental sulfur in the presence of a solid, particulate catalyst.

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patent: 4191659 (1980-03-01), Davis
patent: 4313006 (1982-01-01), Hager
patent: 4568767 (1986-02-01), Dzierza et al.
patent: 4638093 (1987-01-01), Fried

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