Solvent effects in the polymerization of propylene catalyzed by octahedral complexes

Victoria Volkis, Elena Smolensky, Anatoli Lisovskii, Moris S. Eisen*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

20 Scopus citations

Abstract

The effect of solvents (toluene, dichloromethane, and hexane) was studied on the polymerization of propylene with the octahedral complexes bis(trimethylsilyl) benzamidinate titanium dichloride(a), bis(acetylacetonate) titanium dichloride(b), and bis(diethylamino) titanium di-2- (diphenylphosphanylamino)pyridine as catalytic precursors and methylalumoxane as the cocatalyst. For comparison, the polymerization was also performed in plain liquid propylene without the addition of any solvent. The obtained polymers were fractionated by refluxing hexane. The activity of the complexes and the molecular weights and tacticities of the whole polymers and their different fractions were the studied parameters.

Original languageEnglish
Pages (from-to)4505-4516
Number of pages12
JournalJournal of Polymer Science, Part A: Polymer Chemistry
Volume43
Issue number19
DOIs
StatePublished - 1 Oct 2005
Externally publishedYes

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