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Polypropylene obtained with in situ supported metallocene catalysts

✍ Scribed by Fernando C Franceschini; Tatiana T.da R Tavares; Paula P Greco; Daniela Bianchini; Fernanda Chiarello Stedile; Griselda B Galland; João H.Z dos Santos; João B.P Soares

Publisher
Elsevier Science
Year
2003
Tongue
English
Weight
257 KB
Volume
202
Category
Article
ISSN
1381-1169

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📜 SIMILAR VOLUMES

Polymerization mechanism for in situ sup
Polymerization mechanism for in situ supported metallocene catalysts
✍ Kyung-Jun Chu; Joao B. P. Soares; Alexander Penlidis 📂 Article 📅 2000 🏛 John Wiley and Sons 🌐 English ⚖ 292 KB 👁 2 views

The polymerization of ethylene was carried out with a novel in situ supported metallocene catalyst that eliminated the need for a supporting step before polymerization. In the absence of trimethyl aluminum (TMA), in situ supported Et[Ind] 2 ZrCl 2 was not active, but the addition of TMA during polym

Effect of experimental conditions on eth
Effect of experimental conditions on ethylene polymerization with in-situ-supported metallocene catalyst
✍ Kyung-Jun Chu; Joao B. P. Soares; Alexander Penlidis 📂 Article 📅 2000 🏛 John Wiley and Sons 🌐 English ⚖ 226 KB 👁 2 views

Ethylene polymerization was carried out with a novel in-situ-supported metallocene catalyst that eliminates the need for a supporting step before polymerization. The influence of the metallocene amount, aluminum to zirconium mole ratio, temperature, pressure, and cocatalyst type on polymerization ki

Effects of the type and concentration of
Effects of the type and concentration of alkylaluminum cocatalysts on the molar mass of polypropylene made with in situ supported metallocene catalysts
✍ Fernando C. Franceschini; Tatiana T. da R. Tavares; Paula P. Greco; Griselda B. 📂 Article 📅 2005 🏛 John Wiley and Sons 🌐 English ⚖ 96 KB 👁 1 views

## Abstract Propylene homopolymerizations were carried out with __rac__‐dimethylsilylenebis(indenyl)zirconium dichloride, methylaluminoxane‐modified silica, and common alkylaluminum cocatalysts. Supported catalysts were prepared by the __in situ__ immobilization technique. The effects of the type a