The Kinetics of Alignment of a Liquid Crystal Polymer in a D.C. Electric Field

A. Kozak University College of Swansea, Department of Chemistry, Singleton Park, Swansea, SA2 8PP, UK; Institute of Physics, Jagiellonian University, 31–059 Krakow, Reymonta 4, Poland

G. P. Simon University College of Swansea, Department of Chemistry, Singleton Park, Swansea, SA2 8PP, UK; Monash University, Department of Materials Engineering, Clayton, 3669, Adelaide, Australia

J. K. Moscicki Monash University, Department of Materials Engineering, Clayton, 3669, Adelaide, Australia

G. Williams University College of Swansea, Department of Chemistry, Singleton Park, Swansea, SA2 8PP, UK

Abstract

The realignment of a side-chain liquid crystal polymer in its liquid-crystalline state, induced by a directing d.c. electric field, was studied with the aid of dielectric relaxation spectroscopy. The time dependence of the director order parameter S(t;V)was measured as a function of the applied electric voltage V. Results are discussed in terms of the Martins-Esnault-Volino approach.

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The Kinetics of Alignment of a Liquid Crystal Polymer in a D.C. Electric Field

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