, Volume 70, Issue 2, pp 249-252

Electro-optical properties of a PDLC based on unsaturated polyester resin

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An electro-optical characterisation of a polymer-dispersed liquid crystal (PDLC) based on unsaturated polyester (UP) resin, recently prepared in our laboratory, is presented. Transmittance and response times as a function of an electric field applied to the sample, have been measured taking into account also the morphological aspects of various samples. The experimental results confirm the theoretical data previously calculated on the base of the dimensions of the liquid-crystal droplets inside the polymeric matrix. Our analysis on this new material suggests the possibility of employing such a PDLC to realise electro-optical devices.

Received: 9 October 1998 / Revised version: 12 May 1999 / Published online: 21 January 2000