The Alignment Mechanism of Liquid Crystal on Rubbed Polyimides

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概要

• 論文の詳細を見る

• A special polyimide with function group of strong polarity on main chains is designed and synthesized to investigate the alignment mechanism of liquid crystal on rubbed polyimides. AFM is utilized to observe the face of rubbed polyimides. The polyimides rubbed with different depth show different alignment ability. The films rubbed with less depth have lower therrno-stability. However, the rubbing-induced grooves seem same. This is seldom seen in common polyimides. The results show that the inter-molecule force between the liquid crystal molecules and the polarized polyimides decided the alignment, and the grooves created in rubbing process are not the main reason for the alignment. Further more, we propose a model for the changes of polymer in rubbing Process.

• 社団法人電子情報通信学会の論文
• 2000-10-13

著者

• Xu Shouyi

  Department Of Chemistry Tsinghua University

• Shouyi Xu

  Department Of Chemistry Tsinghua University Beijing Tsinghua Engineering Research Center Of Liquid C

• Zhiliang Xie

  Department Of Chemistry Tsinghua University Beijing Tsinghua Engineering Research Center Of Liquid C

• Zheng Chunyang

  Department Of Chemistry Tsinghua University Beijing Tsinghua Engineering Research Center Of Liquid C

• Chunyang Zheng

  Department Of Chemistry Tsinghua University Beijing Tsinghua Engineering Research Center Of Liquid C

• Honhjin Gao

  Department of Chemistry, Tsinghua University Beijing Tsinghua Engineering Research Center of Liquid

• Honhjin Gao

  Department Of Chemistry Tsinghua University Beijing Tsinghua Engineering Research Center Of Liquid C

• Gao Honhijin

  Department of Chemistry, Tsinghua University Beijing Tsinghua Engineering Research Center of Liquid Crystal Technology

関連論文

• Effect of Thermal Treatment on the Alignment Property of Rubbed Polyimide Alignment Layer (情報ディスプレイ--The 6th Asian Symposium on Information Display & Exhibition)
• Synthesis, Characterization and Thermal Degradation of Polysiloxane 4-Butoxyphenyl 4-(10'-Undecylenoyloxy) Cinnamate Used as Photoalignment Material for Liquid Crystals (情報ディスプレイ--The 6th Asian Symposium on Information Display & Exhibition)
• Synthesis, Characterization and Thermal Degradation of Polysiloxane 4-Butoxyphenyl 4-(10'-Undecylenoyloxy)Cinnamate Used as Photoalignment Material for Liquid Crystals
• Effect of Thermal Treatment on the Alignment Property of Rubbed Polyimide Alignment Layer
• The Alignment Mechanism of Liquid Crystal on Rubbed Polyimides
• The Alignment Mechanism of Liquid Crystal on Rubbed Polyimides (情報ディスプレイ--The 6th Asian Symposium on Information Display & Exhibition)

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