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- W2000442957 abstract "ABSTRACT Five titanium complexes TiCl 3 (OAr) (Ar = C 6 H 5 , 2,6‐Me 2 C 6 H 3 , 2,6‐ i ‐Pr 2 C 6 H 3 , 2,6‐ t ‐Bu 2 C 6 H 3 , 4‐Me‐2,6‐ t ‐Bu 2 C 6 H 3 ) were immobilized, respectively, on MgCl 2 in semibatch reaction to form supported catalysts for olefin polymerization. Comparing with the catalysts prepared by immobilizing TiCl 3 (OAr) onto MgCl 2 in batch reaction, the catalysts prepared by semibatch reaction have lower titanium content and higher ArO/Ti ratio. The aryloxy‐containing catalysts studied in this work showed higher ethylene/1‐hexene copolymerization activity and higher 1‐hexene incorporation rate than the blank catalyst when activated by triisobutylaluminum. Similar effects of the aryloxy ligand were observed when the copolymerization is conducted in the presence of hydrogen. Introducing aryloxy ligand in the catalysts either by semibatch or batch reaction caused similar effects of enhancing copolymerization activity and α‐olefin incorporation rate. Mechanism of the effects of aryloxy ligand has been discussed. © 2014 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2015 , 132 , 41329." @default.
- W2000442957 created "2016-06-24" @default.
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- W2000442957 date "2014-08-14" @default.
- W2000442957 modified "2023-10-09" @default.
- W2000442957 title "Ethylene/1-hexene copolymerization with supported Ziegler-Natta catalysts prepared by immobilizing TiCl<sub>3</sub>(OAr) onto MgCl<sub>2</sub>" @default.
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- W2000442957 doi "https://doi.org/10.1002/app.41329" @default.
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