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Ethylene trimerisation and tetramerisation catalysts with polar-substituted diphosphinoamine ligands |
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| Authors: | Overett Matthew J Blann Kevin Bollmann Annette Dixon John T Hess Fiona Killian Esna Maumela Hulisani Morgan David H Neveling Arno Otto Stephanus |
| Affiliation: | Sasol Technology (Pty) Ltd, R&D Division, 1 Klasie Havenga Road, Sasolburg 1947, South Africa. matthew.overett@sasol.com |
| Abstract: | Chromium-based catalyst systems with polar-substituted diphosphinoamine ligands are selective for either trimerisation or tetramerisation of ethylene, depending on the position of the polar groups on the aryl rings. |
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