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  Ethene co- and terpolymerizations with TIBA-protected norbornenemethanol and TIBA-protected norbornenecarboxylic acid using homogeneous metallocene/MAO catalyst systems

Wendt, R. A., & Fink, G. (2002). Ethene co- and terpolymerizations with TIBA-protected norbornenemethanol and TIBA-protected norbornenecarboxylic acid using homogeneous metallocene/MAO catalyst systems. Macromolecular Chemistry and Physics, 203(8), 1071-1080. doi:10.1002/1521-3935(20020501)203:8<1071:AID-MACP1071>3.0.CO;2-0.

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 Creators:
Wendt, R. A.1, Author           
Fink, G.1, Author           
Affiliations:
1Research Department Fink, Max-Planck-Institut für Kohlenforschung, Max Planck Society, ou_1445583              

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Free keywords: copolymerization; kinetics; metallocene catalysts; NMR; polar norbornene derivatives
 Abstract: Full Paper: Ethene copolymerizations were carried out with triisobutylaluminum (TTBA)-protected norbornenemethanol and norbornenecarboxylic acid, respectively, using homogeneous metallocene/MAO catalyst systems. Moreover, ethene terpolymerizations with both polar norbornene derivatives were investigated for the first time, The metallocenes utilized, such as iPr[CpInd]ZrCl2, iPR[(3-iPr-Cp)Ind]ZrCl2, and iPr[(3- tert-But-Cp)Ind]ZrCl2 contain ligand frameworks of various sterical demands. The incorporation of polar monomers into the polymer chain was determined by NMR spectroscopic investigations. Kinetic and analytical results of the polymerization experiments revealed increasing activities and a decreasing comonomer incorporation into the polymer chain with an increasing sterical demand of the metallocene ligand. Additionally, the TIBA-protected norbornenecarboxylic acid shows a lower incorporation rate into the copolymer chain in comparison with the TIBA-protected norbornenemethanol.

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Language(s): eng - English
 Dates: 2002-06-10
 Publication Status: Issued
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Degree: -

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Title: Macromolecular Chemistry and Physics
  Alternative Title : Macromol. Chem. Phys.
Source Genre: Journal
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Publ. Info: -
Pages: - Volume / Issue: 203 (8) Sequence Number: - Start / End Page: 1071 - 1080 Identifier: ISSN: 1022-1352