Determination of the number of propagation centers and the propagation rate constant for ethylene polymerization on supported titanium catalysts
β Scribed by Zakharov, V. A. ;Chumayevskii, N. B. ;Makhtarulin, S. I. ;Bukatov, G. D. ;Yermakov, Yu I.
- Book ID
- 112682725
- Publisher
- Springer
- Year
- 1975
- Tongue
- English
- Weight
- 229 KB
- Volume
- 2
- Category
- Article
- ISSN
- 0133-1736
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## Abstract The number of active centers (__C__~P~) and propagation rate constant (__k__~P~) for ethylene polymerization with homogeneous catalyst LCoCl~2~β+βMAO and supported catalyst LCoCl~2~/SiO~2~β+βAl(__i__βBu)~3~, where L is 2,6β(2,6β(Me)~2~C~6~H~3~Nβ=βCMe)~2~C~5~H~3~N, have been determined u
Polymerization inhibition with radioactive carbon monoxide was used to determine the number of active centers (C,) and the propagation rate constant (k,) in the isospecific polymerization of propene with the catalytic system TiCl,/diisobutyl phthalate/MgC1,-A1Et,-PhSi(OEt)3. The presence of hydrogen