Citation: Reza Sandaroos, Saman Damavandi, Ali Nazif, Maraym Goharjoo, Ali Mohammadi. Highly efficient bis(aminotropone) Ti catalyst for ethylene polymerization[J]. Chinese Chemical Letters, ;2011, 22(2): 213-216. doi: 10.1016/j.cclet.2010.10.011 shu

Highly efficient bis(aminotropone) Ti catalyst for ethylene polymerization

a Department of Chemistry, School of Sciences, Ferdowsi University of Mashhad, P.O. Box 91775, Mashhad, Iran;
b Department of Chemistry, Islamic Azad University of Sarvestan, Sarvestan, Iran

Received Date: 7 June 2010

Synthesis and structure of Ti complex having a pair of chelating aminotropone[O-N] ligand have been reported. Calculations of density functional theory (DFT) studies suggest that bis(aminotropone) Ti complex, when activated with methylaluminoxane (MAO), have high potential for the polymerization of olefinic monomers. These theoretical studies also show that the active species derived from bis(aminotropone) Ti catalyst normally possess higher electrophilicity nature compared with those produced using bis(phenoxyimine) Ti complexes (Ti-FI catalysts) which are known as high performance olefin polymerization catalysts. Bis(aminotropone) Ti catalyst generates a catalytically active species that has higher electrophilicity than a Ti-FI catalysts.
- Aminotropone,
- Ethylene polymerization,
- DFT studies,
- PI catalysts
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