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| 用化学刻蚀技术研究热致性液晶聚合物的微结构(英文) | |
| 引用本文： | 董炎明. 用化学刻蚀技术研究热致性液晶聚合物的微结构(英文)[J]. 湘潭大学自然科学学报, 1990, 0(4) |
| 作者姓名： | 董炎明 |
| 作者单位： | 湘潭大学化学系 |
| 摘 要： | 浓硫酸被发展用于刻蚀主链热致性液晶共聚芳酯B-N的条带织构,它对该液晶聚合物的向列织构有良好的选择性。用SEM和TEM揭示了微纤形态。特别是非平面构象、B-ET用高锰酸钾刻蚀也观察到微纤的条带织构。对微纤转弯处的优先刻蚀现象用PET富集解释。 |
| 关 键 词： | 化学刻蚀 电子显微术 共聚芳酯 条带织构 微纤 |
MORPHOLOGY STUDIES OF THERMOTROPIC LIQUID CRYSTALLINE POLYMERS USING CHEMICAL ETCHING TECHNIQUES |
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| Dong Yanming. MORPHOLOGY STUDIES OF THERMOTROPIC LIQUID CRYSTALLINE POLYMERS USING CHEMICAL ETCHING TECHNIQUES[J]. Natural Science Journal of Xiangtan University, 1990, 0(4) | |
| Authors: | Dong Yanming |
| Affiliation: | Deparment of Chemistry |
| Abstract: | Concentrated sulphuric acid was developed to etch the banded texture of thermotropic main chain liquid crystalline copolyester B-N, showing excellent selectivity for this nematic texture. SEM and TEM were used to reveal the fibril morphology, expecially the out-of-plane comformation. Another copolyester B-ET was treated by permanganic etches, also demonstrating the fibrillar banded texture. The dominant attack in bent regions of fibrils was explained by PET richening. |
| Keywords: | chemical etching electron microscopy aromatic copolyester banded texture: fibrils |
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