PROCESS FOR THE PREPARATION OF HIGH CALCIUM HIGH CALCIUM DETERGENT-DISPERSING ADDITIVES AND DETERGENT-DISPERSING ADDITIVES FOR LUBRICATING OILS THUS OBTAINED

摘要

PROCESS FOR THE PREPARATION OF DETERGENT-DISPERSANT ADDITIVES FOR LUBRICATING OILS CHARACTERIZED BY THE FOLLOWING STEPS: /P P A.ON PRESENCE: /P P -UN ALKYLBENZENE SULPHONIC ACID; /P P -UN ALKYLPHENOL; /P P -DILUTION OIL; /P P -HALOGENIDE IONS; /P P -Lime; /P P B. THE FORMED WATER IS ELIMINATED; /P P C. THE FORMED PRODUCT IS SULFURIZED WITH SULFUR, IN THE PRESENCE OF GLYCOL AND AN ALCOHOL WITH A BOILING POINT GREATER THAN 155C; / P P D.ON CARBONATE THE SULFURIZED PRODUCT FORMS; /P P E.ON ELIMINATES GLYCOL AND HIGH BOILING POINT ALCOHOL; /P P F.ON FILTER TO RECOVER THE FORM ADDITIVE.