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Active centers of TiCl3catalysts for propene polymerization

✍ Scribed by G. Bier


Book ID
104685441
Publisher
Springer
Year
1982
Tongue
English
Weight
427 KB
Volume
7
Category
Article
ISSN
0170-0839

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πŸ“œ SIMILAR VOLUMES


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## Abstract ^13^C NMR analysis of the chain‐end distribution of poly(propylenes) prepared using the highly active catalyst system MgCl~2~/TiCl~4~/dietherβ€”AlEt~3~ has revealed particularly high proportions of butyl chain‐ends in polymers prepared at relatively low hydrogen pressures. This indicates

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The aging of the MgCl,/dioctyl phthalate (DOP) or ethyl benzoate (EB)/TiCl, catalyst was studied. Because of the strong complexation of DOP with the catalyst, only a small fraction of DOP was extracted by cocatalyst triethylaluminium (TEA) during aging, resulting in converting some highly isospecifi