Propene polymerization with rac-Me2Si(2-Me-Benz[e]Ind)2ZrX2 [X = Cl, Me] using different cation-generating reagents

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1998
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Beck, Stefan
Suhm, Jürgen
Mülhaupt, Rolf
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Macromolecular Rapid Communications. 1998, 19(5), pp. 235-239. ISSN 1022-1336. eISSN 1521-3927. Available under: doi: 10.1002/(SICI)1521-3927(19980501)19:5<235::AID-MARC235>3.0.CO;2-S
Zusammenfassung

Propene was polymerized with methylaluminoxane (MAO) and cationic activated rac-dimethylsilylene-2-methylbenz[e]indenylzirconocene [MBI-Cl2] and [MBI-Me2]. For cationic activation of the MBI-Me2 system tris(pentafluorophenyl)borane [I], N,N-dimethylanilinium tetra(pentafluorophenyl)borate [III] were used. The MAO-activated dimethyl complex showed higher activity with respect to the dichloride system using high catalyst concentrations and [Al]/[Zr] ratios. Most effective cationic activator for MBI-Me2 was N,N-dimethylanilinium tetra(pentafluorophenyl)borate [II] in combination with Al(i-Bu3). Using tris(pentafluorophenyl)borane [I] at different polymerization conditions or N,N-dimethylanilinium tetra(pentafluorophenyl)borate [II] in combination with Al(Et)3 no propene polymerization was observed due to the occurrence of reduction of the catalytically active site.

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ISO 690BECK, Stefan, Hans-Herbert BRINTZINGER, Jürgen SUHM, Rolf MÜLHAUPT, 1998. Propene polymerization with rac-Me2Si(2-Me-Benz[e]Ind)2ZrX2 [X = Cl, Me] using different cation-generating reagents. In: Macromolecular Rapid Communications. 1998, 19(5), pp. 235-239. ISSN 1022-1336. eISSN 1521-3927. Available under: doi: 10.1002/(SICI)1521-3927(19980501)19:5<235::AID-MARC235>3.0.CO;2-S
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@article{Beck1998Prope-23876,
  year={1998},
  doi={10.1002/(SICI)1521-3927(19980501)19:5<235::AID-MARC235>3.0.CO;2-S},
  title={Propene polymerization with rac-Me<sub>2</sub>Si(2-Me-Benz[e]Ind)<sub>2</sub>ZrX<sub>2</sub> [X = Cl, Me] using different cation-generating reagents},
  number={5},
  volume={19},
  issn={1022-1336},
  journal={Macromolecular Rapid Communications},
  pages={235--239},
  author={Beck, Stefan and Brintzinger, Hans-Herbert and Suhm, Jürgen and Mülhaupt, Rolf}
}
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