High molecular weight polyolefin and catalyst and process for polymerizing said polyolefin

   
   

The present invention relates to polyolefins and in particular to polyolefins comprising C.sub.3 -C.sub.20 monomers and having a molecular weight of at least 700 kg/mol preferably 1000 kg/mol. The present invention further relates to a hafnium based metallocene catalyst and a process for making such polyolefins.

Η παρούσα εφεύρεση αφορά polyolefins και ειδικότερα polyolefins περιλαμβάνοντας C.sub.3 - μονομερή C.sub.20 και έχοντας ένα μοριακό βάρος τουλάχιστον 700 κλ/μορ. κατά προτίμηση 1000 κλ/μορ. Η παρούσα εφεύρεση αφορά περαιτέρω έναν βασισμένο hafnium metallocene καταλύτη και μια διαδικασία για τέτοια polyolefins.

 
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