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High yield MgCl2-supported catalysts for propene polymerization: effects of ethyl propionate as internal donor on the activity and stereospecificity

✍ Scribed by Vito Di Noto; Daniele Fregonese; Antonio Marigo; Silvano Bresadola


Publisher
John Wiley and Sons
Year
1998
Tongue
English
Weight
623 KB
Volume
199
Category
Article
ISSN
1022-1352

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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

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## Abstract Summary: A new procedure was developed to support [(ArNο£ΎC(Me))~2~C~5~H~3~N]FeCl~2~ (Arο£Ύ2,4,6‐trimethylphenyl) on spherical MgCl~2~ for ethylene polymerization. The resultant catalysts showed ten times higher activity of the corresponding catalyst in homogeneous catalysis. The morphologi