Propylene polymerization was investigated with the TiC14/MgCI 4 supported catalyst with the stereoregulating donor pair dibutylphtalate (DBPH)/triethoxyphenylsilane (TEPS) in heptane with A1Et 3 as cocatalyst in the presence of hydrogen. It was shown that there is an activation effect by the influen
Study of hydrogen effect in propylene polymerization on (with) the MgCl2-supported ziegler-natta catalyst—part 2. Effect of CS2 on polymerization centres
✍ Scribed by E.I. Vizen; L.A. Rishina; L.N. Sosnovskaja; F.S. Dyachkovsky; I.L. Dubnikova; T.A. Ladygina
- Publisher
- Elsevier Science
- Year
- 1994
- Tongue
- English
- Weight
- 278 KB
- Volume
- 30
- Category
- Article
- ISSN
- 0014-3057
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## Abstract This article demonstrates the influence of the molar ratio between diether as internal donor and Magnesium dichloride in processing of the catalyst preparation on the catalytic performance for propylene polymerization with MgCl~2~‐supported Ziegler–Natta catalyst. The effect of electron
## Abstract ^13^C NMR analysis of relatively low‐molecular‐weight polypropylenes prepared using the catalyst system MgCl~2~/TiCl~4~/phthalate ester‐AlEt~3~‐external Lewis base has revealed the presence of up to around 20% butyl (__n__‐Bu) chain ends, indicative of regioirregular (2,1‐) monomer inse
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