| 摘要 |
ORGANO-METALLIC COMPOSITIONS WITHOUT BORON, COMPRISING AN EXTENSIVELY FLUORINATED ORGANIC COMPOUND, STABLE TO THE AIR, HAVING A DI-UNSATURATED CYCLE WITH FIVE OR SIX CARBON ATMOS, AND AN ALKYL DERIVATIVE OF MAGNESIUM OR, PREFERABLY, OF ALUMINIUM. SAID COMPOSITION CAN BE USED AS ACTIVATOR OF A METALLOCENE COMPLEX OF GROUP 4 OF THE PERIODIC TABLE OF ELEMENTS TO FORM A CATALYST WITH A HIGH ACTIVITY AND LOW METAL CONTENTN FOR THE POLYMERIZATION OF ( )-OLEFINS.FIGURE 1
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