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Liquid Crystals Volume 47, 2020 - Issue 5
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Articles

Effects of alkyl chain length of monomer and dye-doped type on the electro-optical properties of polymer-dispersed liquid crystal films prepared by nucleophile-initiated thiol-ene click reaction

Li ZhangState Key Laboratory of Polymer Materials Engineering, College of Polymer Science and Engineering, Sichuan University, Chengdu, PR China
,
Yawen LiuState Key Laboratory of Polymer Materials Engineering, College of Polymer Science and Engineering, Sichuan University, Chengdu, PR China
,
Zhiqing ShiShenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd, Guangdong, PR China
,
Taoyu HeState Key Laboratory of Polymer Materials Engineering, College of Polymer Science and Engineering, Sichuan University, Chengdu, PR China
,
Xinjian GongWeifang Hengcai Digital Photo Materials Co., Ltd, Shandong, PR China
,
Pengfei GengWeifang Hengcai Digital Photo Materials Co., Ltd, Shandong, PR China
,
Zhenwei GaoWeifang Hengcai Digital Photo Materials Co., Ltd, Shandong, PR China
&
Yinghan WangState Key Laboratory of Polymer Materials Engineering, College of Polymer Science and Engineering, Sichuan University, Chengdu, PR ChinaCorrespondence[email protected]
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Pages 658-672 | Received 30 Jun 2019, Accepted 25 Sep 2019, Published online: 03 Oct 2019
 
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ABSTRACT

Polymer-dispersed liquid crystal (PDLC) films containing a series of monomers with different alkyl chain lengths were prepared by nucleophile-initiated thiol-ene click reaction. The effect of alkyl chain length of monomers, dye and temperature on electro-optical properties of PDLC films was investigated. It was found that the alkyl chain length and polymerisation rate of monomers together determine the size of liquid crystal (LC) droplets, thus affecting the electro-optical properties of PDLC. In addition, the type and content of dyes could be optimised to obtain PDLC materials with better comprehensive properties for display.

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Disclosure statement

No potential conflict of interest was reported by the authors.

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