Effect of Added Liquid Crystal on Parameters of Electro-Optical Properties of PDLC Films

WANG Li-ping; XU Ri; HUANG Shun-gang; MA Zheng

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Effect of Added Liquid Crystal on Parameters of Electro-Optical Properties of PDLC Films

Device Technology & Physics | 更新时间：2020-08-12

- Effect of Added Liquid Crystal on Parameters of Electro-Optical Properties of PDLC Films
- Chinese Journal of Liquid Crystals and Displays Vol. 25, Issue 4, Pages: 554-557(2010)
- 作者机构：
  
  北京科技大学材料科学与工程学院北京,100083
- 作者简介：
- 基金信息：
- DOI：
  CLC： O753+.2
- Received：18 March 2010，
  
  Revised：12 May 2010，
  
  Published Online：20 August 2010，
  
  Published：20 August 2010
- 稿件说明：
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王丽萍, 许锐, 黄顺刚, 马征. 添加液晶对PDLC膜电-光性能参数的影响[J]. 液晶与显示, 2010,25(4): 554-557

WANG Li-ping, XU Ri, HUANG Shun-gang, MA Zheng. Effect of Added Liquid Crystal on Parameters of Electro-Optical Properties of PDLC Films[J]. 液晶与显示, 2010,25(4): 554-557
王丽萍, 许锐, 黄顺刚, 马征. 添加液晶对PDLC膜电-光性能参数的影响[J]. 液晶与显示, 2010,25(4): 554-557 DOI：

WANG Li-ping, XU Ri, HUANG Shun-gang, MA Zheng. Effect of Added Liquid Crystal on Parameters of Electro-Optical Properties of PDLC Films[J]. 液晶与显示, 2010,25(4): 554-557 DOI：

摘要

以甲基丙烯酸羟乙酯为聚合单体

以SLC 7011-100为液晶材料

利用紫外光聚合分相法制备了PDLC薄膜。通过调节单体和液晶成分的比例

在尽可能提高膜的对比度的情况下降低驱动电压

以获得电-光性能良好的PDLC膜。分别向体系添加壬烷氧基和癸烷氧基联苯氰基液晶、烷基联苯氰基类液晶5CB和8CB

考察了PDLC膜电-光性能的变化

结果表明

添加液晶的含量和分子结构对PDLC膜的折射率、对比度等电-光性能参数有较大影响。

Abstract

Polymer-dispersed liquid crystal (PDLC) films were prepared by using -hydroxyethyl acrylate and SLC 7011-100 as starting monomer and liquid crystal (LC)

respectively

via polymerization-induced phase separation. To decrease driving voltage while keeping a high contrast ratio and obtain a PDLC film with good electro-optical properties

various ratios of monomer and LC were tested. Investigation of the relationship between LC and electro-optical properties suggests that the content and molecular length of the LC added have large effect on the parameters of electro-optical properties such as reflective index and contrast ratio.

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Keywords

references

Kyu T, Chiu H W. Morphology development during polymerization-induced phase separation in a polymer dispersed liquid crystal polymer

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Bunning T J, Natarajan L V, Tondiglia V, et al. Morphology of reflection holograms formed in situ using polymer-dispersed liquid crystals

. Polymer, 1996, 37 (14):3147-3150.

石海兵,黄子强.低阈值电压聚合物网络液晶电光特性的研究

. 液晶与显示, 2008, 23 (1):21-25.

Patnaik S S, Pachter R. Anchoring characteristics and interfacial interactions in a polymer dispersed liquid crystal: a molecular dynamics study

. Polymer, 1999, 40 (23):6507-6519.

钱祥忠. PDLC膜电学特性的研究

. 液晶与显示, 2001, 16 (1):23-25.

刘国柱,黄子强,杨文君,等.低阈值电压聚合物分散性液晶膜的电光特性

. 液晶与显示, 2009, 24 (3):383-388.

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Related Institution

Department of Materials Physics and Chemistry, School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing 100083,China

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