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Liquid Crystals Volume 37, 2010 - Issue 2
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Original Articles

Effects of the structures of epoxy monomers on the electro-optical properties of heat-cured polymer-dispersed liquid crystal films

Qingyong Meng Department of Materials Physics and Chemistry, School of Materials Science and Engineering, University of Science and Technology Beijing, No. 30 Xueyuan Road, Haidian District, Beijing, 100083, People's Republic of China
,
Hui Cao Department of Materials Physics and Chemistry, School of Materials Science and Engineering, University of Science and Technology Beijing, No. 30 Xueyuan Road, Haidian District, Beijing, 100083, People's Republic of China
,
Miki Kashima Department of Materials Physics and Chemistry, School of Materials Science and Engineering, University of Science and Technology Beijing, No. 30 Xueyuan Road, Haidian District, Beijing, 100083, People's Republic of China
,
Huijing Liu Department of Materials Physics and Chemistry, School of Materials Science and Engineering, University of Science and Technology Beijing, No. 30 Xueyuan Road, Haidian District, Beijing, 100083, People's Republic of China
&
Huai Yang Department of Materials Physics and Chemistry, School of Materials Science and Engineering, University of Science and Technology Beijing, No. 30 Xueyuan Road, Haidian District, Beijing, 100083, People's Republic of ChinaCorrespondence[email protected]
Pages 189-193 | Received 12 Oct 2009, Accepted 03 Nov 2009, Published online: 11 Feb 2010
 
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Abstract

Polymer-dispersed liquid crystal (PDLC) films were prepared from thermal polymerisation-induced phase separation in heat-curable monomers/nematic liquid crystal (LC) mixtures. For PDLCs with a certain amount of LCs, the microstructure and the refractive index of polymer networks could be influenced by the relative content of epoxy monomers, owing to their different chemical structures. The effect of these factors on the electro-optic properties of films was also investigated.

Acknowledgements

This work is financially supported by the Key Program for Panel display of the 863 program of China (Grant no. 2008AA03A318), the National Key Technology Program (Grant no. 2007BAE31B00), the Program of National High Technology 863 program of 863 (Grant no. 2006AA03Z108), the 2004 Key of China Ministry of Education (Grant no. 104187) and the National Natural Science Foundations (Grant nos. 20674005 and 50973010).

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