Business and Technology of the Global Polyethylene Industry: An In-depth Look at the History, Technology, Catalysts, and Modern Commercial Manufacture of Polyethylene and Its Products by Nowlin Thomas E

Author:Nowlin, Thomas E.
Language: eng
Format: epub
Published: 2015-02-07T16:00:43.526000+00:00

This silica/zirconium intermediate was then activated with modified methylalumoxane (MMAO) as cocatalyst. This approach produced various catalysts with an activity of 300–1300 kg PE/mol Zr/h/atm. The polyethylene had a relatively high molecular weight, i.e., > 200,000, and exhibited Mw/Mn values of 3–4.8, suggesting a somewhat broader molecular weight distribution than one single-site catalyst. This catalyst probably contained two or more similar single-site catalysts.

4.5 Activation of the Metallocenes Cp2ZrCl2 or (BuCp)2ZrCl2 by Solid Acid Supports

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