Mixed phosphorous- and sulfur-containing reaction products usefu

Details Mixed phosphorous- and sulfur-containing reaction products usefu Mixed phosphorous- and sulfur-containing reaction products usefu

1989-06-22

1993-09-07

McAvoy, Ellen

Compositions

Electrolytes for electrical devices

252 466, C10M13500, C10M13700

Patent

active

052426122

ABSTRACT:
A phosphorous- and sulfur-containing additive and its use to impart anti-wear properties to oleaginous compositions such as fuels and lubricating oils, particularly power transmission compositions, such as automatic transmission fluids, is disclosed. The additive comprises a mixture of products formed, for example, by simultaneously reacting (1) a beta-hydroxy thioether, such as thiobisethanol, (2) a phosphorous-containing reactant, such as triethyl phosphite and (3) optionally, a nucleophilic reactant capable of reacting with the episulfonium cation ##STR1## to form thioether species.

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