Journal
JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL
Volume 297, Issue 1, Pages 1-8Publisher
ELSEVIER
DOI: 10.1016/j.molcata.2008.09.026
Keywords
Ethene tetramerization; 1-Octene; Aluminoxane; Chromium; Diphosphinoamine; Selective oligomerization; Product distribution; Reaction kinetics
Categories
Funding
- Linde Engineering
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This paper describes a kinetic investigation of the ethene tetramerization catalyst system comprising CrCl3(THF)(3), a bis(diphenylphosphino)isopropylamine Ph2PN(Pr-i)PPh2 as ligand and MAO as catalyst activator. The main focus of the experimental study lied on the influence of the ligand to chromium molar ratio on the catalyst performance and the selectivity towards 1-octene. It was found that a sub-stoichiometric ligand/Cr ratio leads to a Schulz-Flory product distribution, while unusual odd-numbered 1-olefins as by-products were formed. (C) 2008 Elsevier B.V. All rights reserved.
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