Monomer–Dimer Equilibria in Homo‐ and Heterodinuclear Cationic Alkylzirconium Complexes and Their Role in Polymerization Catalysis | Zendy

Bochmann Manfred | Zendy; Lancaster Simon J. | Zendy

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Monomer–Dimer Equilibria in Homo‐ and Heterodinuclear Cationic Alkylzirconium Complexes and Their Role in Polymerization Catalysis

Author(s) -

Bochmann Manfred,

Lancaster Simon J.

Publication year - 1994

Publication title -

angewandte chemie international edition in english

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 5.831

H-Index - 550

eISSN - 1521-3773

pISSN - 0570-0833

DOI - 10.1002/anie.199416341

Subject(s) - cationic polymerization , dimer , chemistry , monomer , polymerization , catalysis , dissociation (chemistry) , polymer chemistry , alkyl , ethylene , photochemistry , medicinal chemistry , polymer , organic chemistry

The reactive cationic 14‐electron complex 2 is stabilized by formation of methyl‐bridged binuclear complexes of type 1 and 3 . The compounds are highly active catalysts for the polymerization of ethylene and propylene. As expected for the dissociation equilibrium shown, neutral alkyl metal compounds in excess act as inhibitors; thus, the activity of 3 decreases significantly with increasing AlMe 3 concentration.

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