Ansa-metallocene polymerization catalysts: Effects of the bridges on the catalytic activities
β Scribed by Baiquan Wang
- Publisher
- Elsevier Science
- Year
- 2006
- Tongue
- English
- Weight
- 373 KB
- Volume
- 250
- Category
- Article
- ISSN
- 0010-8545
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β¦ Synopsis
Ansa-metallocene complexes have been extensively studied as the precatalysts for olefin polymerization. The bridges have important effects on the activities of the catalysts and polymer properties such as molecular weight and tacticity, mainly by altering the framework of the catalysts. Here, we review the effects of the structures of ansa-metallocene complexes on the catalytic activities, especially the effects of the bridges on the catalytic activities.
π SIMILAR VOLUMES
## Abstract Catalytic activity during the formation of polyethylene (PE)/clay nanocomposites by __in situ__ polymerization with metallocenes was studied. Ethylene polymerization was carried out with the homogeneous metallocene in the presence of the clay particles and using the clayβsupported metal