Ethylene and hydrogen effects in propylene polymerization with 2-arylindenyl zirconocenes
β Scribed by Shirley Lin; Raisa Kravchenko; Robert M. Waymouth
- Book ID
- 104420920
- Publisher
- Elsevier Science
- Year
- 2000
- Tongue
- English
- Weight
- 131 KB
- Volume
- 158
- Category
- Article
- ISSN
- 1381-1169
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The PM3(tm) semiempirical method has been used to optimize the structures for the reactants and transition states of the first and second ethylene insertion processes into zirconocene catalytic systems. The results obtained for these reactions are compared with calculations published in the literatu
The effects of polymerization conditions were evaluated on the production of polyethylene by silica-supported (n-BuCp) 2 ZrCl 2 grafted under optimized conditions and cocatalyzed by methylaluminoxane (MAO). The Al : Zr molar ratio, reaction temperature, monomer pressure, and the age and concentratio