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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Matos, Inês Alexandra
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Publications (5/5 displayed)
- 2024Natural polymers, silica, and carbon-based aerogels
- 2023P-Doped carbon catalyst highly efficient for benzodiazepine synthesiscitations
- 2021How Molecular Mobility, Physical State, and Drug Distribution Influence the Naproxen Release Profile from Different Mesoporous Silica Matricescitations
- 2020Biocompatible locust bean gum as mesoporous carriers for naproxen deliverycitations
- 2005Titanium and zirconium ketimide complexescitations
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article
Titanium and zirconium ketimide complexes
Abstract
<p>The syntheses of ketimide titanium complexes of the type Ti(N=C <sup>t</sup>Bu<sub>2</sub>)<sub>3</sub>X (X = Cl, Cp, Ind), Ti(N=C <sup>t</sup>Bu<sub>2</sub>)<sub>4</sub> and the zirconium complex CpZr(N=C <sup>t</sup>Bu<sub>2</sub>)<sub>2</sub>Cl are described. When activated by MAO, all compounds are ethylene polymerisation catalysts. In the conditions studied, the most active catalyst is CpZr(N=C<sup>t</sup>Bu<sub>2</sub>)<sub>2</sub>Cl, with an activity of 2.7 × 10<sup>5</sup> kg/(molZr [E] h). Titanium complexes are less active by about two orders of magnitude. The polyethylene produced is linear, as determined by NMR spectroscopy. Molecular structures of Ti(N=C<sup>t</sup>Bu<sub>2</sub>)<sub>3</sub>X (X = Cl, Cp, Ind) and Ti(N=C <sup>t</sup>Bu<sub>2</sub>)<sub>4</sub> were determined by X-ray single crystal diffraction.</p>