Effect of graft polymer prepared by living radical polymerisation on electro-optical properties of polymer dispersed liquid crystal

Leishan Shao State Key Laboratory of Polymer Materials Engineering, College of Polymer Science and Engineering, Sichuan University, Chengdu, P.R. China

Yuliang Zhang State Key Laboratory of Polymer Materials Engineering, College of Polymer Science and Engineering, Sichuan University, Chengdu, P.R. China

Changhao Liu State Key Laboratory of Polymer Materials Engineering, College of Polymer Science and Engineering, Sichuan University, Chengdu, P.R. China

Jingjing Li State Key Laboratory of Polymer Materials Engineering, College of Polymer Science and Engineering, Sichuan University, Chengdu, P.R. China

Ailin Qin State Key Laboratory of Polymer Materials Engineering, College of Polymer Science and Engineering, Sichuan University, Chengdu, P.R. China

Yinghan Wang State Key Laboratory of Polymer Materials Engineering, College of Polymer Science and Engineering, Sichuan University, Chengdu, P.R. ChinaCorrespondence[email protected]

Abstract

In this study, a graft polymer matrix prepared by living radical polymerisation had been incorporated into polymer dispersed liquid crystals (PDLCs). The electro-optical properties of the PDLCs were investigated. The results showed that the length and density of graft chain had a great influence on the memory effect of the PDLCs. Low-driving-voltage and weak-memory-effect PDLCs could easily be obtained with a graft polymer matrix.

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Acknowledgements

This work was supported by National Natural Science Foundation of China (Grant No. 50973067, 51173115, 21172161), the Ministry of Education (the Foundation for Ph.D. training, Grant No. 20110181110030) of China and the Scientific Research Foundation for the Returned Overseas Chinese Scholars, State Education Ministry, and Science (No. 20071108-18-12).

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Effect of graft polymer prepared by living radical polymerisation on electro-optical properties of polymer dispersed liquid crystal

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