Ethylene/1,3‐Cyclohexadiene Copolymerization by Means of Methylaluminoxane Activated Half‐Sandwich Complexes | Zendy

Heiser Dirk E. | Zendy; Pelascini Frederic | Zendy; Kramer Dominic | Zendy; Scott Jennifer | Zendy; Gambarotta Sandro | Zendy; McCahill Jennifer | Zendy; Stephan Douglas W. | Zendy; Okuda Jun | Zendy; Mülhaupt Rolf | Zendy

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Ethylene/1,3‐Cyclohexadiene Copolymerization by Means of Methylaluminoxane Activated Half‐Sandwich Complexes

Author(s) -

Heiser Dirk E.,

Pelascini Frederic,

Kramer Dominic,

Scott Jennifer,

Gambarotta Sandro,

McCahill Jennifer,

Stephan Douglas W.,

Okuda Jun,

Mülhaupt Rolf

Publication year - 2006

Publication title -

macromolecular symposia

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.257

H-Index - 76

eISSN - 1521-3900

pISSN - 1022-1360

DOI - 10.1002/masy.200690050

Subject(s) - methylaluminoxane , copolymer , ethylene , bimetallic strip , catalysis , polymer chemistry , metallocene , materials science , cobalt , cyclopentadienyl complex , titanium , chemistry , organic chemistry , polymer , polymerization , metallurgy , composite material

Ethylene copolymerization with 1,3‐cyclohexadiene (CHD) was investigated by using methylaluminoxane (MAO) activated single‐site catalysts including bridged and non‐bridged titanium half‐sandwich and bimetallic cobalt(I) complexes. MAO activated CpTiCl 2 [NP( t Bu) 3 ] (Cp = cyclopentadienyl, t Bu = tert ‐butyl) gave high molecular weight CHD copolymers without encountering catalyst activity losses. According to the NMR microstructure investigation the resulting copolymers are highly regioregular.

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