| abstract |
PROCEDURE FOR OBTAINING ESTERS OF THE ACID (MET) -ACRYLIC, OF FORMULA (I). UNDERSTANDS THE REACTION OF A 1,2-BIS- (ISOCIANATOFENIL) -TETRAFLUORETHANE, OF FORMULA (II), WITH ACID DERIVATIVES (MET) -ACRYLIC, OF FORMULA (III) OR (IV), IN AN INERT SOLVENT, IN PRESENCE FROM A CATALYST, TO A TEMPERATURE COMPRISED BETWEEN 20JC AND 100JC, TO FORM THE COMPOUND OF FORMULA (I), IN WHICH ZY R1-R6 CAN BE SEVERAL TYPES OF RADICALS. THESE COMPOUNDS HAVE APPLICATIONS FOR THE MANUFACTURE OF MASSES FOR TOOTHPASTS. |