Browsing by Author "Klink, Jacques Van Der"
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- NMR study of flow and viscoelastic properties of PBLG/m-Cresol lyotropic liquid crystalPublication . Veron, Alain; Gomes, Alexandre E.; Leal, Catarina R.; Klink, Jacques Van Der; Martins, Assis F.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.