Abstract

AbstractTwo Ti complexes with bidentate ligands derived from pinacol and perfluoropinacol and activated with a binary Al(C2H5)2Cl ‐ Mg(C4H9)2 cocatalyst are efficient catalysts for polymerization of lightest alkenes, ethylene and propylene, and for their copolymerization. They produce linear polyethylene of moderate molecular weight and essentially atactic amorphous polypropylene. Ethylene/propylene copolymers prepared with these catalysts are compositionally uniform resins with a very low crystallinity degree which can be used as synthetic EPM rubbers.

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