| abstract |
THE INVENTION RELATES TO A HIGH DETERGENT-DISPERSANT ADDITIVE FOR LUBRICANT FOR INTERNAL COMBUSTION ENGINES BURNING ALCOHOL-BASED FUEL, A LUBRICANT CONTAINING THIS ADDITIVE AND ITS OBTAINING, AND ITS APPLICATION TO INHIBIT CORROESS AND EXCIVE WEAR A MOTOR. THE LUBRICANT CONTAINS 89.5 TO 98.75 BY WEIGHT OF A MINERAL OR SYNTHETIC OIL (SAE 5 TO 50) AND 1.25 TO 10.5 BY WEIGHT OF AN ADDITIVE INCLUDING 68.75 TO 75.0 BY WEIGHT OF AN ORGANIC AMINE COMPONENT CHOSEN FROM AROMATIC PRIMARY OR SECONDARY AMINES, ALIPHATIC PRIMARY OR SECONDARY AMINES, CYCLOALIPHATIC PRIMARY AMINES AND THEIR MIXTURES, AND 25.0 TO 31.25 BY WEIGHT OF A SELECTED PAR PHOSPHORIC ACID ESTER ORTHO-, META- OR TRICRESYL PARAPHOSPHATE, DIBUTYL PHENYL PHOSPHATE, TRIBUTYL PHOSPHATE, TRIS- (2-ETHYLHEXYL PHOSPHATE, TRIOCTYL PHOSPHATE, DIBUTYL PHOSPHATE, DIBUTYL DIPHOSPHATE DE , TRILAURYL AND OR TRISTEARYLE APPLICATION TO INTERNAL COMBUSTION ENGINES BURNING ALCOHOL OR AN ALCOHOL BASED FUEL. |