| α-甲基苯乙烯与苯乙烯阴离子共聚合研究——Ⅰ.共聚反应动力学及机理 |
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| 引用本文： | 陈绯,应圣康.α-甲基苯乙烯与苯乙烯阴离子共聚合研究——Ⅰ.共聚反应动力学及机理[J].高分子学报,1991,0(5):594-600. |
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| 作者姓名： | 陈绯 应圣康 |
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| 作者单位： | 华东化工学院材料科学研究所 200237 |
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| 摘 要： | 本文研究了以正丁基锂为引发剂、四氢呋喃为极性添加剂、在环己烷中进行α-甲基苯乙烯与苯乙烯阴离子共聚合。通过共聚反应动力学的研究,提出了聚合机理,求得了两种单体通过不同聚合活性种增长反应及解聚反应的速度常数及活性种间的络合平衡常数。
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| 关 键 词： | 甲基苯乙烯 苯乙烯 阴离子 共聚合 |
| 收稿时间： | 1990-06-16 |
ANIONIC COPOLYMERIZATION OF STYRENE AND a-METHYLSTYRENE(I) KINETICS AND MECHANISM |
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| CHEN Fei,YING Sheng-kang.ANIONIC COPOLYMERIZATION OF STYRENE AND a-METHYLSTYRENE(I) KINETICS AND MECHANISM[J].Acta Polymerica Sinica,1991,0(5):594-600. |
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| Authors: | CHEN Fei YING Sheng-kang |
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| Institution: | Institute of Material Science and Engineering; East China University of Chemical Technology; Shanghai; Postcode: 200237 |
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| Abstract: | A kinetic study of copolymerization of styrene and ff-methylstyrene initiated by n-butylli-thium in cyclohexane with tetrahydrofuran as a polar additive has been carried out. Through the investigation of kinetics and mechanism of copolymerization in the presence of multiple active species accompanied with depropagation, the propagation rate constants and depropaga-tion rate constants of the two monomers with regard to different species as well as the cotn-plexation equilibrium constants between various type of active species were obtained. |
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