Electro-Optical Properties of Reverse-Mode Films of Planar Aligned Polymer-Dispersed Liquid Crystal

Autor:	Chia-Hsing Sun, Tien-Jung Chen, Jin−Jei Wu, Yu-Fan Chen
Rok vydání:	2006
Předmět:	chemistry.chemical_classification Biphenyl Materials science Polymers and Plastics Organic Chemistry Polymer Methacrylate Thermotropic crystal chemistry.chemical_compound Monomer chemistry Chemical engineering Liquid crystal Materials Chemistry UV curing Alkoxy group Organic chemistry
Zdroj:	Journal of Polymer Research. 13:85-89
ISSN:	1572-8935 1022-9760
DOI:	10.1007/s10965-005-9001-2
Popis:	We prepared polymer-dispersed liquid crystal (PDLC) by using nematic liquid crystal 5CB and biphenyl methacrylate type monomer with alkoxy terminal group. Reverse mode properties were achieved by rubbing the glass substrates of the PDLC films in parallel directions so that polymer and liquid crystal molecules are plane-parallel aligned in the sample cell. The monomers with various carbon number (n ≤ 4) of alkoxy group were employed for the formation of the PDLC films. The films were cured by varying monomer concentration and UV curing time. The resulting liquid crystal/polymer composites showed significantly improved driving voltage and contrast ratio.
Databáze:	OpenAIRE
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