The affine transformation model---formulated for ellipsoidal particles with axis ratio Q and previously used for the calculation of the viscous properties of nematic liquid crystals with perfect orientation order---is generalized to realistic uniaxial phases with imperfect order (Maier-Saupe order parmeter S1). For the nematic liquid crystals N-(4'-methoxybenzylidene)-4-(n-butyl)aniline (MBBA) and p-methoxy-p'-n-butylazoxybenezene (N4) and some cyanobiphenyls (kCB and kOCB with k=5,8) a comparison of the theoretically obtained Miesowicz viscosities with experimental data is made.
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Ehrentraut et al. (1995) studied this question.
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