REACTION PRODUCTS OF DIALKYL AND TRIALKYL PHOSPHITES WITH ELEMENTAL SULFUR AND METHOD OF PREPARING SAME

摘要

F-4520(4034)REACTION PRODUCTS OF DIALKYL AND TRIALKYLPHOSPHITES WITH ELEMENTAL SULFUR ANDMETHOD OF PREPARING SAMEABSTRACTDialkyl and trialkyl phosphites are reacted with sulfur toform a first product useful as a lube oil additive. The firstproduct may be further reacted with an amine, olefin, or alkyleneoxide to form a lube oil product which may be reacted withphosphorus trioxide to form another lube oil additive.