F. Roussel et al., THERMOPHYSICAL AND ELECTROOPTICAL CHARACTERIZATION OF NEMATIC LIQUID-CRYSTAL ACRYLATE SYSTEMS, Molecular crystals and liquid crystals science and technology. Section A, Molecular crystals and liquid crystals, 299, 1997, pp. 321
New Polymer Dispersed Liquid Crystal (PDLC) materials were prepared by
a Polymerization Induced Phase Separation (PIPS) mechanism using U.V.
radiation. The samples are obtained from the liquid crystalline mixtu
re E7 and a blend of monofunctional (2-Ethyl Hexyl Acrylate) and difun
ctional (1,6-Hexane Diol DiAcrylate) monomers as precursors of the mat
rix. The thermodynamic properties of both cured and uncured samples we
re studied by Differential Scanning Calorimetry and Optical Microscopy
. The optical transmission of selected PDLC films has been measured as
a function of frequency and amplitude of the applied voltage for seve
ral film thicknesses.