引用本文:
张春华, 杨正华, 丁孟贤, 于涛, 彭增辉, 宣丽. 由联苯酚双肉桂酸酯制备光控取向膜[J]. 应用化学,
2002, 19(8): 715-718.
Citation: ZHANG Chun-Hua, YANG Zheng-Hua, DING Meng-Xian, YU Tao, PENG Zeng-Hui, XUAN Li. Preparation of Light Controllable Films from Photosensitive Cinnamates[J]. Chinese Journal of Applied Chemistry, 2002, 19(8): 715-718.
Citation: ZHANG Chun-Hua, YANG Zheng-Hua, DING Meng-Xian, YU Tao, PENG Zeng-Hui, XUAN Li. Preparation of Light Controllable Films from Photosensitive Cinnamates[J]. Chinese Journal of Applied Chemistry, 2002, 19(8): 715-718.
由联苯酚双肉桂酸酯制备光控取向膜
English
Preparation of Light Controllable Films from Photosensitive Cinnamates
Abstract:
Light controllable films were prepared by photopolymerization and crosslinking reaction of 4,4'-diphenol dicinnamic ester. The effects of exposure time of polarized UV light on the IR dichroism of film and that of illumination light angle on the pretilt angle of liquid crystal obtained have been investigated. The texture alignment of the liquid crystal has been observed by a polarized microscope. The results showed that the film exhibited a maximum IR dichroism ratio and best uniform liquid crystal alignment under UV light illumination for 15 min.
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