Polymerization of norbornene with Co(II) complexes

Polymerization of norbornene with Co(II) complexes

The norbornene polymerization was studied in the presence of 6 pyridine bis(imine) cobalt(II) complexes activated with methylaluminoxane (MAO). Norbornene was also polymerized with CoCl2 associated to MAO. All these catalytic systems generate an addition polymerization of norbornene, yielding fully...

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Veröffentlicht in:Macromolecular symposia. 2004-06, Vol.213 (1), p.265-274
Hauptverfasser: Pelascini, Frédéric, Peruch, Frédéric, Lutz, Pierre Joseph, Wesolek, Marcel, Kress, Jacky
Format: Artikel
Sprache:eng
Schlagworte:
addition polymerization
Aluminum
Catalysis
catalysts
Chemical Sciences
cobalt
Frames
Ligands
Monomers
norbornene
Polymerization
Polymers
pyridine bis(imine)
Pyridines
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Zusammenfassung:The norbornene polymerization was studied in the presence of 6 pyridine bis(imine) cobalt(II) complexes activated with methylaluminoxane (MAO). Norbornene was also polymerized with CoCl2 associated to MAO. All these catalytic systems generate an addition polymerization of norbornene, yielding fully saturated polymers. It was shown that the polymerization yield and the molar masses are highly dependant on several reaction parameters (monomer concentration, [Al]/[Co] ratio, polymerization temperature and time) and the frame of the ligand.
ISSN:1022-1360
1521-3900
DOI:10.1002/masy.200450924