文献类型：期刊文献

英文题名：Effect of electric field on phase separation of polymer dispersed liquid crystal

作者：Zhang, Wenjie[1]; Lin, Jiaping[1]; Yu, Tianshi[1]; Lin, Shaoliang[1]; Yang, Dianzhi[1]

机构：[1]E China Univ Sci & Technol, Dept Polymer Sci & Engn, Shanghai 200237, Peoples R China

年份：2003

卷号：39

期号：8

起止页码：1635

外文期刊名：EUROPEAN POLYMER JOURNAL

收录：;EI(收录号：2003317574535);WOS:【SCI-EXPANDED(收录号:WOS:000184462200015)】；

语种：英文

外文关键词：polymer dispersed liquid crystal (PDLC); electric field; phase separation process; depolarized light intensity (DLI); morphology; clearing temperature (T-N1)

摘要：The kinetics of the polymerization induced phase separation of liquid crystal (LC)/monomer mixture has been investigated by means of depolarized light intensity technique and polarized light microscope (PLM). To examine the effect of the electric field, a DC electric field was applied across the mixtures during the phase separation process. The kinetic study indicates that the phase separation process is accelerated when the electric field is applied. The morphologies of the formed polymer dispersed liquid crystal (PDLC) films were observed by PLM. The electric field applied during the phase separation process yields the PDLC with small LC domains and fine morphologies. The clearing temperature (T-NI) of the formed PDLC films was measured by the PLM and it is found that the T-NI increases with the applied electric field intensity. (C) 2003 Elsevier Ltd. All rights reserved.