| 聚氧化乙烯-聚苯乙烯-聚氧化乙烯三嵌段共聚物的微相分离与结晶 |
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| 引用本文： | 石晓虹,刘立志,方天如,姜炳政.聚氧化乙烯-聚苯乙烯-聚氧化乙烯三嵌段共聚物的微相分离与结晶[J].高分子学报,1993,0(3):263-268. |
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| 作者姓名： | 石晓虹 刘立志 方天如 姜炳政 |
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| 作者单位： | 中国科学院长春应用化学研究所高分子物理开放实验室，中国科学院长春应用化学研究所高分子物理开放实验室，中国科学院长春应用化学研究所高分子物理开放实验室，中国科学院长春应用化学研究所高分子物理开放实验室 长春，邮政编码:130022，长春，邮政编码:130022，长春，邮政编码:130022，长春，邮政编码:130022 |
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| 摘 要： | 本工作研究了多分散和单分散聚氧化乙烯-聚苯乙烯-聚氧化乙烯三嵌段共聚物(PEO-PS-PEO)的结晶行为,及这些试样按非晶型嵌段共聚物进行微相分离后再结晶的结晶特点.
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| 关 键 词： | 嵌段共聚物 结晶行为 微相分离 多分散 |
| 收稿时间： | 1991-03-30 |
CRYSTALLIZATION AND MICROPHASE SEPARATION OF POLY (ETHYLENE OXIDE-STYRENE-ETHYLENE OXIDE) TRIBLOCK COPLYMERS |
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| SHI Xiao-hong,LIU Li-zhi,FANG Tian-ru,JIANG Bing-zheng.CRYSTALLIZATION AND MICROPHASE SEPARATION OF POLY (ETHYLENE OXIDE-STYRENE-ETHYLENE OXIDE) TRIBLOCK COPLYMERS[J].Acta Polymerica Sinica,1993,0(3):263-268. |
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| Authors: | SHI Xiao-hong LIU Li-zhi FANG Tian-ru JIANG Bing-zheng |
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| Institution: | Polymer Physics Laboratoy; Changchun Institute of Applied Chemistry; Academia Sinica; Changchun; Post code: 130022 |
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| Abstract: | The crystallization behaviour of polydisperse and monodisperse poly (ethylene oxide-styrene-ethylene oxide)triblock copolymers has been studied, including these samples, of which the microphase separation took place first at high casting temperature and then crystallized at room temperature. The results show that the crystallization behavior of the copolymer could be very different when its microphase seperation is different due to the polydispersity of its molecular weight, the different casting solvents, and the casting temperature which affect the crystalline ability of PEO block of it. |
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| Keywords: | Block copplymer Crystallization Microphase separation Dispersity |
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