MULTIFUNCTIONAL LUBE OIL ADDITIVE

摘要

FIELD: lubricants. SUBSTANCE: additive contains at least 10% of product of interaction of oil-soluble ammonium sulfonate or alkali-earth metal sulfonate with urea or thiourea, wherein 2 to 20 nitrogen atoms are present per 1 mol of oil-soluble ammonium sulfonate, up to 3.5% of oil-soluble ammonium sulfonate or alkali-earth metal sulfonate, 0-0.5% of ammonium molibdate, and petroleum oil - the balance. EFFECT: improved qualitative characteristics of lube oils due to improved viscosity, antiwear and antifriction properties. 1 tbl