Abstract
A poly(vinyl alcohol) (PVA)/liquid crystal (LC) composite film with a low driving voltage of 6 Vrms, a low hysteresis of less than 0.2 Vrms, and a fast response time of 11 ms at the operating voltage of 6 Vrms was formed from the emulsion composed of a mixture of water with methanol (WM-mixture), PVA, LC, and a photocrosslinkable mixture of nonaoxyethylenediacrylate (9EG-A) with perfluorooctylethylacrylate (FA-108). It was found in the composite film that the liquid crystal droplets, surrounded by a thin layer of the photocured polymer, were deformed as well as disordered, which enhanced light scattering.
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