Measurement of the rotational viscosity, γ₁ of nematic liquid crystals under high pressure

H. Dörrer Physikalische Chemie, Universität Siegen, 5900, Siegen, F.R., Germany

H. Kneppe Physikalische Chemie, Universität Siegen, 5900, Siegen, F.R., Germany

E. Kuss Institut für Verfahrenstechnik, Universität Hannover, 3000, Hannover, F.R., Germany

F. Schneider Physikalische Chemie, Universität Siegen, 5900, Siegen, F.R., Germany

Abstract

A method for the measurement of the rotational viscosity, γ₁ of nematic liquid crystals under high pressure is described. First measurements for the liquid crystals 4'-methoxybenzylidene-4-n-butylaniline, a broad range nematic mixture of substituted cyclohexyl-phenyls and a re-entrant nematic mixture are presented.

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Measurement of the rotational viscosity, γ₁ of nematic liquid crystals under high pressure

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Measurement of the rotational viscosity, γ1 of nematic liquid crystals under high pressure

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Measurement of the rotational viscosity, γ₁ of nematic liquid crystals under high pressure