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Highly active and stereospecific catalyst based on β-TiCl3 for propylene polymerization

✍ Scribed by Marcos A.S. Costa; Ana L.S.S. Silva; Fernanda M.B. Coutinho; Luiz Claudio de Santa Maria; Romeu A. Pereira

Book ID
103354788
Publisher
Elsevier Science
Year
1996
Tongue
English
Weight
522 KB
Volume
37
Category
Article
ISSN
0032-3861

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✍ L.A. Rishina; E.I. Vizen 📂 Article 📅 1980 🏛 Elsevier Science 🌐 English ⚖ 334 KB

A fractional poisoning method has shown that all groups of Ziegler catalyst centres, both stereospecific and non-stereospecific, have a similar distribution of propagation rate constants. The most regular and highly molecular isotactic fraction is quite uniform by stereoregularity. Most of the poiso