HIGH-DETERGENT / DISPERSANT ADDITIVE FOR LUBRICANT FOR INTERNAL COMBUSTION ENGINES BURNING ALCOHOL-BASED FUEL, LUBRICANT CONTAINING THE SAME AND ITS OBTAINING, AND ITS APPLICATION TO INHIBIT THE CORROSION AND EXCESSIVE WEAR OF AN ENGINE

摘要

THE INVENTION CONCERNS A HIGH DETERGENT ADDITIVE ADDITIVE FOR LUBRICANT FOR INTERNAL COMBUSTION ENGINES BURNING ALCOHOL-BASED FUEL, A LUBRICANT CONTAINING THE SAME, AND ITS OBTAINING, AND ITS APPLICATION FOR INHIBITING CORROSION AND EXCESSIVE WEAR OF ENGINE. / P P THE LUBRICANT CONTAINS 89.5 TO 98.75 BY WEIGHT OF MINERAL OR SYNTHETIC OIL (SAE 5 TO 50) AND 1.25 TO 10.5 BY WEIGHT OF AN ADDITIVE COMPRISING FROM 68.75 TO 75.0 BY WEIGHT OF AN ORGANIC AMINO COMPONENT SELECTED AMONG PRIMARY OR SECONDARY AROMATIC AMINES, ALIPHATIC PRIMARY OR SECONDARY AMINES, CYCLOALIPHATIC PRIMARY AMINES AND THEIR MIXTURES, AND 25.0 TO 31.25 BY WEIGHT PHOSPHORIC ACID ESTER SELECTED FROM TRICRESYL ORTHO-, META OR PARAPHOSPHATE, DIBUTYL PHENYL PHOSPHATE, TRIBUTYL PHOSPHATE, TRIS- (2-ETHYLHEXYL) PHOSPHATE, TRIOCTYLE, DIPHENYL, DICRESYL, TRILAURYL AND TRISTEARYL ORTHOPHOSPHONATE / P P APPLICATION TO INTERNAL COMBUSTION ENGINES BURNING ALCOHOL OR ALCOHOL-BASED FUEL.