NMR study of the liquid-crystal order in partially oriented flexible polymers with side mesogenic groups

The 1H NMR spectra have been investigated for some comb-like liquid crystal polymers. The distribution functions of directors of macroscopic samples formed in a magnetic field have been determined from the angular dependences of second moments of the spectra. It is shown that the ordering parameter...

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Bibliographic Details
Published in:Polymer science USSR 1985, Vol.27 (10), p.2478-2480
Main Authors: Molchanov, Yu.V., Privalov, A.F., Amerik, Yu.B., Grebneva, V.G., Konstantinov, I.I.
Format: Article
Language:English
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Summary:The 1H NMR spectra have been investigated for some comb-like liquid crystal polymers. The distribution functions of directors of macroscopic samples formed in a magnetic field have been determined from the angular dependences of second moments of the spectra. It is shown that the ordering parameter may be determined for mesogenic macromolecular fragments where there is partial orientation of the samples.
ISSN:0032-3950
1878-268X
DOI:10.1016/0032-3950(85)90333-8