| 主链含氟聚酰亚胺液晶取向排列剂的表面性能及微观形貌 |
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| 引用本文： | 张春华,杨正华,丁孟贤,吴爱国,李壮.主链含氟聚酰亚胺液晶取向排列剂的表面性能及微观形貌[J].应用化学,2001,18(7):544-0. |
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| 作者姓名： | 张春华 杨正华 丁孟贤 吴爱国 李壮 |
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| 作者单位： | 中科院长春应化所，中国科学院长春应化所，中国科学院长春应用化学研究所 |
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| 基金项目： | 国家自然科学基金重点资助项目(50033010) |
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| 摘 要： | 主链含氟聚酰亚胺液晶取向排列剂的表面性能及微观形貌
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| 关 键 词： | 主链含氟聚酰亚胺液晶取向排列剂的表面性能及微观形貌 |
| 文章编号： | 1000-0518(2001)07-0544-04 |
| 收稿时间： | 2009-06-29 |
| 修稿时间： | 2000年12月22 |
The Surface Property and Morphology of the Polyimides Having Fluorinated Main Chains for Liquid Crystal Alignment |
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| ZHANG Chun-Hua,YANG Zheng-Hua,DING Meng-Xian.The Surface Property and Morphology of the Polyimides Having Fluorinated Main Chains for Liquid Crystal Alignment[J].Chinese Journal of Applied Chemistry,2001,18(7):544-0. |
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| Authors: | ZHANG Chun-Hua YANG Zheng-Hua DING Meng-Xian |
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| Institution: | ZHANG Chun-Hua,YANG Zheng-Hua,DING Meng-Xian* |
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| Abstract: | The liquid crystal alignment with higher pretilt angles was obtained from polyimide(PI) having fluorinated main chains. The contact angles of the PI films were found to be dependent on the fluorine content of the PI. The morphology of the rubbed PI surfaces with fluorinated and unfluorinated main chains for liquid crystal alignment was compared by observation with atomic force microscope(AFM). The results showed that the surface of the rubbed PI films have regular and narrow intervals, aligned along the rubbing direction. The fluorinated PI surfaces are superior to the unfluorinated PI surfaces in regularity. |
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| Keywords: | polyimide fluorinated main chain liquid crystal alignment surface properties morphology |
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