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Synthesis and rheological properties of poly(5-n-hexylnorbornene)

Title data

Müller, Kerstin ; Kreiling, Stefan ; Dehnicke, Kurt ; Allgaier, Jürgen ; Richter, Dieter ; Fetters, Lewis J. ; Jung, Youngsuk ; Yoon, Do Y. ; Greiner, Andreas:
Synthesis and rheological properties of poly(5-n-hexylnorbornene).
In: Macromolecular Chemistry and Physics. Vol. 207 (January 2006) Issue 2 . - pp. 193-200.
ISSN 1521-3935
DOI: https://doi.org/10.1002/macp.200500228

Official URL: Volltext

Abstract in another language

Poly(5-n-hexylnorbornene) (PHNB) was obtained in high molecular weight and high yields by vinyl-type polymerization of 5-n-hexyl-2-norbornene (endo/exo = 77/23) with NiBr(NPMe(3))](4)/B(C(6)F(5))(3) as catalyst precursor. The combination of size exclusion chromatography with online light scattering and intrinsic viscosity measurements allowed the Mark-Houwink expressions to be evaluated in tetrahydrofuran. The unperturbed chain dimensions for poly(5-n-hexylnorbornene) were estimated via the extrapolation procedure of Burchard-Stockmayer-Fixman. This evaluation of the unperturbed chain dimension in turn permits the calculation of the entanglement molecular weight and the plateau modulus via the packing length model. This allows the determination of rheological properties for these materials where conventional rheology measurements are difficult, or impossible.

Further data

Item Type: Article in a journal
Refereed: Yes
Keywords: polynorbornene; synthesis; properties
Institutions of the University: Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry > Chair Macromolecular Chemistry II > Chair Macromolecular Chemistry II - Univ.-Prof. Dr. Andreas Greiner
Faculties
Faculties > Faculty of Biology, Chemistry and Earth Sciences
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry > Chair Macromolecular Chemistry II
Result of work at the UBT: No
DDC Subjects: 500 Science > 540 Chemistry
Date Deposited: 01 Apr 2015 12:34
Last Modified: 01 Apr 2015 12:34
URI: https://eref.uni-bayreuth.de/id/eprint/9691