Endowing aspecific, unbridged-metallocene propylene-polymerization catalysts with isospecificity: The unprecedented role of MAO

Seong Kyun Kim, Hwa Kyu Kim, Min Hyung Lee, Seung Woong Yoon, Youngkyu Do

Research output: Contribution to journalArticlepeer-review

17 Scopus citations

Abstract

(Figure Presented) Unbridged yet isospecific metallocene polypropylene catalytic systems can be generated in situ during the MAO-assisted activation step (see picture; MAO = methyl aluminum oxane), as demonstrated with a dimethylaminophenyl-substituted zirconocene that has a racemic, C 2-symmetric structure in the solid state and produces highly isotactic polypropylene.

Original languageEnglish
Pages (from-to)6163-6166
Number of pages4
JournalAngewandte Chemie - International Edition
Volume45
Issue number37
DOIs
StatePublished - 18 Sep 2006

Keywords

  • Isotactic polypropylene
  • Lewis acids
  • Metallocenes
  • Polymerization
  • Zirconium

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