Highly active MgCl2-supported catalysts containing novel diether donors for propene polymerization
β Scribed by Demin Xu; Zhongyang Liu; Jian Zhao; Shimin Han; Youliang Hu
- Publisher
- John Wiley and Sons
- Year
- 2000
- Tongue
- English
- Weight
- 53 KB
- Volume
- 21
- Category
- Article
- ISSN
- 1022-1336
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## Abstract This article demonstrates the influence of the molar ratio between diether as internal donor and Magnesium dichloride in processing of the catalyst preparation on the catalytic performance for propylene polymerization with MgCl~2~βsupported ZieglerβNatta catalyst. The effect of electron
Several kinds of dichlorobis( b-diketonato)titanium complexes, i.e., Ti(acetylacetonato) 2 Cl 2 , Ti(1-benzoylacetonato) 2 Cl 2 , Ti(2,2,6,6-tetramethyl-3,5-heptanedionato) 2 Cl 2 and Ti(4,4,4-trifluoro-1-phenyl-1,3-butanedionato) 2 Cl 2 , were synthesized and the corresponding MgCl 2 -supported cat
The effects of triethers as internal donors on the activity and stereoselectivity of MgCl 2 -supported Ziegler-Natta type catalysts in the propylene polymerization were studied. In particular, we prepared and fully characterized some procatalysts of the type d-MgCl 2 /ID/TiCl 4 , where ID are intern