Abstract

Deuterium magnetic resonance spectra of chiral nematic phases formed by deuterated ethylcellulose dissolved in chloroform show three overlapping powder patterns, which can be attributed to three nonequivalent (CD3CH 2 ) substituents at the 2, 3, and 6 positions of the 1,4-linked anhydroglucose units. The qudrupolar splittings were measured as functions of temperature and concentration. The results were analyzed in terms of side-chain conformations and the order parameters of the anhydroglucose unit

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