Gemischte, Phosphor und Schwefel enthaltende Reaktionsprodukte hergestellt unter niedrigen Druck, verwendbar in Kraftübertragungszusammensetzungen und Verfahren zu deren Herstellung

A phosphorous- and sulfur-containing additive and its use to impart anti-wear and/or antioxidant 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 mixtu...

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Hauptverfasser: BROIS, STANLEY JAMES, WESTFIELD, NEW JERSEY 07090, US, WATTS, RAYMOND FREDERICK, LONG VALLEY, NEW JERSEY 07853, US, PUCKACE, JAMES STANLEY, FREEHOLD, NEW JERSEY 07728, US, BRAUN II, EDMUND HARVEY, ORANGEBURG, NEW YORK 10962, US, GUTIERREZ, ANTONIO, MERCERVILLE, NEW JERSEY 08619, US, MILLS, DANIEL RICHARD, SOMERVILLE, NEW JERSEY 08876, US, GLEASON, CRAIG WALLACE, SCOTCH PLAINS, NEW JERSEY 07076, US, RYER, JACK, EAST BRUNSWICK, NEW JERSEY 08816, US
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Zusammenfassung:A phosphorous- and sulfur-containing additive and its use to impart anti-wear and/or antioxidant 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 by simultaneously reacting (1) a beta-hydroxy thioether, such as thiobisethanol, and (2) a phosphorous-containing reactant, such as tributyl phosphite. The reaction is carried out under reduced pressure conditions (e.g., -40 KPa to -100 KPa) to limit the amount of thioether species in said additive to less than about 45 mole %.