Structural Effect of Monomers on Memory Properties of Dual Frequency Driven PDLC

Abstract

We investigated structural effect of starting monomers on memory properties of dual frequency driven PDLC. Among the PDLC comprising of dual frequency nematie liquid crystal DF01XX and a single monomer, HEMA or R167, the samples in which the polymer balls of micron in diameter formed the cavity in range of submicron to a few micron exhibited good memory properties. A mixture of these two monomers obviously improved the properties. These results indicate that R167 provides the homogeneous polymer network because of its solubility while HEMA enhances the fine cavity structure by micro phase separation.