Polymerization of olefins

   
   

Various olefins may be polymerized using a catalyst systems containing selected .alpha.-diimine, urethane or urea ligands, some of them novel, complexed to nickel, palladium or other selected transition metals. The polymers are useful as molding resins and elastomers.

Le varie olefine possono essere polimerizzate usando i sistemi del catalizzatore che contengono i ligands selezionati del alpha.-diimine, dell'uretano o dell'urea, alcuni di loro romanzo, complessato a nichel, a palladio o ad altri metalli selezionati di transizione. I polimeri sono utili come le resine ed elastomeri del modanatura.

 
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