Fabrication of triblock liquid crystal elastomer by holography

SONG Jing; LI Hong-liang; PENG Zeng-hui; LI Wen-cui

doi:10.3788/OPE.20111910.2373

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Fabrication of triblock liquid crystal elastomer by holography

Article | 更新时间：2020-08-12

- Fabrication of triblock liquid crystal elastomer by holography
- Optics and Precision Engineering Vol. 19, Issue 10, Pages: 2373-2378(2011)
- 作者机构：
  
  1. 中国科学院长春光学精密机械与物理研究所, 吉林长春 130033
  2. 中国科学院研究生院,北京 100039
  3. 长春理工大学材料科学与工程学院, 吉林长春 130022
- 作者简介：
- 基金信息：
- DOI：10.3788/OPE.20111910.2373
  CLC： O438.1;TN141.9
- Received：04 August 2010，
  
  Revised：09 November 2010，
  
  Published Online：27 October 2011，
  
  Published：25 October 2011
- 稿件说明：
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宋静, 栗宏亮, 彭增辉, 李文萃. 全息方法制备嵌段式液晶弹性体[J]. 光学精密工程, 2011,19(10): 2373-2378

SONG Jing, LI Hong-liang, PENG Zeng-hui, LI Wen-cui. Fabrication of triblock liquid crystal elastomer by holography[J]. Editorial Office of Optics and Precision Engineering, 2011,19(10): 2373-2378
宋静, 栗宏亮, 彭增辉, 李文萃. 全息方法制备嵌段式液晶弹性体[J]. 光学精密工程, 2011,19(10): 2373-2378 DOI： 10.3788/OPE.20111910.2373.

SONG Jing, LI Hong-liang, PENG Zeng-hui, LI Wen-cui. Fabrication of triblock liquid crystal elastomer by holography[J]. Editorial Office of Optics and Precision Engineering, 2011,19(10): 2373-2378 DOI： 10.3788/OPE.20111910.2373.

摘要

研究了热致收缩形变三嵌段式液晶(LC)弹性体薄膜的制备方法

分析和测试了薄膜的偏光特性和热致收缩率。采用全息曝光的方法一次性制备出具有栅状结构的热致液晶弹性体薄膜材料。在此基础上采用偏光显微镜(POM)、He-Ne激光器对弹性体薄膜的嵌段式栅状结构和偏光特性进行检测

并分析了薄膜弹性体偏光特性和液晶分子取向的关系

对该液晶弹性体薄膜的热致收缩性能进行了测试。实验结果表明

嵌段式栅状薄膜具有偏光特性

液晶分子沿垂直于栅状结构的方向排列。在液晶相变温度处(65~80 ℃)

该液晶弹性体薄膜的热致收缩形变率达到12%。

Abstract

The preparation method of triblock Liquid Crystal(LC) elastomer films with thermal induced contraction was researched and their polarized characteristics and thermal induced contrasction rates were analyzed. By using the holographic exposure technology

a liquid crystal elastomer with a grid-like structure was prepared. Based on a polarization microscope and a He-Ne laser

grid-like structure and polarization were detected

respectively. The relationship between the LC molecular alignment and the polarization of LC elastomer was analyzed. In addition

the thermal induced contraction rate for LC elastomer was tested. The experimental results indicate that LC molecules are arranged perpendicular to grid-like structure.The deformation rate of thermal induced contraction for the liquid crystal elastomer can be achieved 12% in the LC phase transition temperature(65-80℃).

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references

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