Polymerization of propene with zirconocene‐containing supported catalysts activated by common trialkylaluminiums
書誌事項
- 公開日
- 1993-06
- 権利情報
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- http://onlinelibrary.wiley.com/termsAndConditions#vor
- DOI
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- 10.1002/macp.1993.021940621
- 公開者
- Wiley
この論文をさがす
説明
<jats:title>Abstract</jats:title><jats:p>This paper reports on propene polymerization conducted with modified Kaminsky‐type catalysts activated by common alkylaluminiums. Several kinds of heterogeneous catalysts containing zirconocene were prepared by supporting Et[IndH<jats:sub>4</jats:sub>]<jats:sub>2</jats:sub>ZrCl<jats:sub>2</jats:sub>, iPr(Flu)(Cp)ZrCl<jats:sub>2</jats:sub> and Cp<jats:sub>2</jats:sub>ZrCl<jats:sub>2</jats:sub> on A1<jats:sub>2</jats:sub>O<jats:sub>3</jats:sub>, SiO<jats:sub>2</jats:sub>, MgO, MgCl<jats:sub>2</jats:sub>, MgF<jats:sub>2</jats:sub>, CaF<jats:sub>2</jats:sub> and AlF<jats:sub>2</jats:sub> using an impregnation method. When Al<jats:sub>2</jats:sub>O<jats:sub>3</jats:sub>, MgCl<jats:sub>2</jats:sub>, MgF<jats:sub>2</jats:sub>, CaF<jats:sub>2</jats:sub> and AlF<jats:sub>3</jats:sub> were used as carriers, the resulting catalysts were easily activated by common trialkylaluminiums to give isotactic, syndiotactic and atactic polypropene in fairly good yields, whereas the other supported catalysts, combined with common trialkylaluminiums, did not show any polymerization activity. However, highly active catalysts were obtained by supporting the zirconocene compound on SiO<jats:sub>2</jats:sub> that had been reacted with a small amount of methylaluminoxane. The use of C1‐containing alkylaluminiums always killed the catalyst activity.</jats:p>
収録刊行物
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- Die Makromolekulare Chemie
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Die Makromolekulare Chemie 194 (6), 1745-1755, 1993-06
Wiley