Theoretical investigations on Ziegler-Natta catalysis: Alkylation of the TiCl4 catalyst
โ Scribed by Eini Puhakka; Tuula T. Pakkanen; Tapani A. Pakkanen
- Publisher
- Elsevier Science
- Year
- 1997
- Tongue
- English
- Weight
- 439 KB
- Volume
- 120
- Category
- Article
- ISSN
- 1381-1169
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๐ SIMILAR VOLUMES
The FT-Raman spectra of a series of mechanically prepared MgCl 2 -TiCl 4 samples with increasing content of TiCl 4 have been recorded. Raman scattering lines in the range 600-100 cm -1 reveal the formation of TiCl 4 molecules complexed on the lateral cuts of activated MgCl 2 crystals. This pattern o
## Abstract The formation, deactivation and transformation of stereospecific active sites on the donorโfree TiCl~4~/MgCl~2~ catalyst induced by short time reaction with triethylaluminium (TEA) cocatalyst (pretreatment time: 0โโผโ60 s) were investigated by stoppedโflow propylene polymerization combin
## Abstract Based on our previous study on the donorโfree TiCl~4~/MgCl~2~ catalyst, the stereospecific nature of active sites on this catalyst after the addition of an internal donor, ethylbenzoate (EB), was investigated by stoppedโflow propylene polymerization combined with temperature rising elut