NMR study of flow and viscoelastic properties of PBLG/m-Cresol lyotropic liquid crystal
Director distortion patterns and backflow effects in transient flows of nematic solutions of PBLG/m-cresol are studied by deuteron NMR. The simulation of the observed NMR spectra as a function of time allows to characterise the director field pattern and to evaluate most of the viscoelastic properti...
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Veröffentlicht in: | Molecular crystals and liquid crystals (Philadelphia, Pa. : 2003) Pa. : 2003), 1999, Vol.331, p.499-507 |
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Format: | Artikel |
Sprache: | eng |
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Zusammenfassung: | Director distortion patterns and backflow effects in transient flows of nematic solutions of PBLG/m-cresol are studied by deuteron NMR. The simulation of the observed NMR spectra as a function of time allows to characterise the director field pattern and to evaluate most of the viscoelastic properties of the system. A good agreement with classical rheometry is observed. |
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ISSN: | 1563-5287 |