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Methylaluminoxane as a novel catalyst and cocatalyst for ring-opening metathesis polymerisation of norbornene

โœ Scribed by Valia Amir-Ebrahimi; John J. Rooney

Publisher
Elsevier Science
Year
2004
Tongue
English
Weight
124 KB
Volume
208
Category
Article
ISSN
1381-1169

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๐Ÿ“œ SIMILAR VOLUMES

Novel Highly Active Niobium Catalysts fo
Novel Highly Active Niobium Catalysts for Ring Opening Metathesis Polymerization of Norbornene
โœ Anna Maria Raspolli Galletti; Guido Pampaloni; Aldo D'Alessio; Yogesh Patil; Fil ๐Ÿ“‚ Article ๐Ÿ“… 2009 ๐Ÿ› John Wiley and Sons ๐ŸŒ English โš– 189 KB

## Abstract Ringโ€opening metathesis polymerization (ROMP) of norbornene catalyzed by niobium(V) __N__,__N__โ€dialkylcarbamates Nb(O~2~CNR~2~)~5~, __R__โ€‰=โ€‰Et (**1**), Me (**2**) was studied in the presence of methylaluminoxane (MAO) as a cocatalyst. These novel catalytic systems resulted very active

Effect of Cocatalysts on the Catalytic A
Effect of Cocatalysts on the Catalytic Activities of Tantalum- and Niobium-Based Catalysts for Ring-Opening Metathesis Polymerization of Norbornene
โœ Yuushou Nakayama; Masaya Tanimoto; Takeshi Shiono ๐Ÿ“‚ Article ๐Ÿ“… 2007 ๐Ÿ› John Wiley and Sons ๐ŸŒ English โš– 128 KB

## Abstract A series of pentavalent tantalum and niobium complexes with aryloxy ligands was prepared, and their catalytic behavior for the ROMP of norbornene was studied in the presence of an alkylaluminum cocatalyst. Tantalum complexes **1**โ€“**4** showed very high activity for the ROMP of NBE in c