Polymer encapsulated and stabilised blue-phase liquid crystal droplets
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Abstract
Polymer-encapsulated-polymer-stabilised blue-phase liquid crystals (LCs) are investigated. Encapsulated droplets are formed in a polyvinyl alcohol solution by emulsification, and blue-phase (BP) LCs in the droplets are stabilised via the polymerisation of reactive monomers to extend the BP temperature range. Polymer stabilised droplets are found to cause the expansion of the BP temperature range from 53 degrees C to below 0 degrees C. The effects of composition on droplet formation and the electro-optical behaviour and morphological properties of these droplets are reported. [GRAPHICS] .