Reducing copper corrosiveness of organic sulfides

Details Reducing copper corrosiveness of organic sulfides Reducing copper corrosiveness of organic sulfides

1990-03-19

1992-02-25

Shah, Mukund J.

Compositions

Preservative agents

Anti-corrosion

252391, 252397, C09K 300, C23O 1118

Patent

active

050911120

ABSTRACT:
Reducing the copper corrosiveness of organic sulfides by treating them with an alkali metal-containing or alkaline earth metal-containing substance capable of dissolving elemental sulfur (e.g., sodium hydroxide, sodium sulfide, etc.). The process is conducted in a substantially homogeneous liquid reaction medium composed of a mixture of water and at least one ketone. Experiments have shown that it is possible by use of this process to reduce the copper corrosiveness to a level below that exhibited by a product formed by treating the same initial organic sulfide in the same way but in a liquid medium composed solely of water.

REFERENCES:
patent: 3957745 (1976-05-01), Cassan
patent: 4827040 (1989-05-01), Labat et al.
Morel et al., Synthesis 1980, (11), 918-21, Chemical Abstracts, vol. 94, 1981, Abstract 156247.

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