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5629255 Highly active catalysts for olefin polymerization and a polymerization process using these catalysts

✍ Scribed by Norbert Hafner; oltsch Wilfried Tuml; Hans Ledwinka; Wolfgang Neissl


Publisher
Elsevier Science
Year
1997
Tongue
English
Weight
69 KB
Volume
125
Category
Article
ISSN
1381-1169

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Highly Active Yttrium and Lanthanide Cat
✍ Virginie Touchard; Roger Spitz; Christophe Boisson; Marie-France Llauro πŸ“‚ Article πŸ“… 2004 πŸ› John Wiley and Sons 🌐 English βš– 147 KB

## Abstract **Summary:** Highly active catalysts for isobutene polymerization were obtained by mixing silica with yttrium or lanthanide chloride salts. Solid catalysts were investigated using transmission electron microscopy and Raman spectroscopy. Both Lewis and BrΓΆnsted acid sites were detected o