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Erschienen in:
1999 | OriginalPaper | Buchkapitel
Features of Cyclopentadienyl Metal Catalysts for Ethylene Copoly-Merization in Gas and Liquid Phase
verfasst von : Frederick J. Karol, Sun-Chueh Kao, Eric P. Wasserman, Zhengtian Yu
Erschienen in: Metalorganic Catalysts for Synthesis and Polymerization
Verlag: Springer Berlin Heidelberg
Enthalten in: Professional Book Archive
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Catalysis in gas phase reactions for the production of olefin polymers is well known in the polyolefin industry [1]. Developments in the UNIPOL® process for polyethylene, EPR/EPDM, and polypropylene continue to demonstrate the broad versatility of the process. The emergence of metallocene catalysis in many laboratories around the world has added yet another significant catalytic tool for manipulating and controlling the molecular framework of polyolefms. Selection of the appropriate metallocene catalyst, with control of ligand environment at the active site, continues to provide the basis of improved process operations and unique product opportunities.