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Half-Metallocene Tantalum Complexes Bearing Methyl Methacrylate (MMA) and 1,4-Diaza-1,3-diene Ligands as MMA Polymerization Catalysts

✍ Scribed by Yutaka Matsuo; Kazushi Mashima; Kazuhide Tani

Publisher
John Wiley and Sons
Year
2001
Tongue
English
Weight
79 KB
Volume
113
Category
Article
ISSN
0044-8249

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Half-Metallocene Tantalum Complexes Bear
Half-Metallocene Tantalum Complexes Bearing Methyl Methacrylate (MMA) and 1,4-Diaza-1,3-diene Ligands as MMA Polymerization Catalysts
✍ Yutaka Matsuo; Kazushi Mashima; Kazuhide Tani 📂 Article 📅 2001 🏛 John Wiley and Sons 🌐 English ⚖ 79 KB

Activation with AlMe at low temperature converts half-metallocene complexes of tantalum with methyl methacrylate (MMA) and diazadiene ligands such as [Cp\*Ta(η -Cy-DAD)(η -MMA)] (structure shown) into effective catalysts for the polymerization of MMA. Polymerization is complete after 10 min at -20°C