| 溴化锌催化MMA基团转移聚合的研究 |
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| 引用本文： | 徐凌云,孙康.溴化锌催化MMA基团转移聚合的研究[J].高分子学报,1990,0(5):628-631. |
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| 作者姓名： | 徐凌云 孙康 |
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| 作者单位： | 复旦大学材料科学系 上海
(徐凌云)，复旦大学材料科学系 上海(孙康) |
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| 摘 要： | <正> 基团转移聚合(GTP)是Webster等首先发现的一种新型的聚合方法。最常用的引发剂为甲基三甲基硅烷基二甲乙烯酮缩醛(MTS)。催化剂有负离子型(如HF_2~-,CN~-等)和Lewis酸型。Bandermann和Mai研究了甲基丙烯酸甲酯(MMA)的负离子催化剂的GTP动学。Hertler和Sogah报道了Lewis酸催化剂的聚合反
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| 关 键 词： | 基团转移聚合 聚甲基丙烯酸甲酯 活性聚合反应 溴化锌催化剂 |
| 收稿时间： | 1989-11-14 |
STUDIES ON GROUP TRANSFER POLYMERIZATION OF MMA WITH ZINC BROMIDE CATALYST |
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| XU Ling-yun,SUN Kang.STUDIES ON GROUP TRANSFER POLYMERIZATION OF MMA WITH ZINC BROMIDE CATALYST[J].Acta Polymerica Sinica,1990,0(5):628-631. |
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| Authors: | XU Ling-yun SUN Kang |
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| Institution: | Department of Material Science; Fudan University; Shanghai |
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| Abstract: | GTP of MMA with zinc bromide catalyst in 1 , 2-dichloroethane solvent with dimethylketene methyl trimethyl silyl acetal (MTS) as initiator at 0℃ were studied. The relationship of MMA concentration with time at 0℃ were shown in Figure. The polymerization rate are zero order with respect to monomer concentration. The relationship of rate constant K between initiator concentrations I] may be written as:The plots of In K against In I] present the linear relationship, a is equal to 1. |
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| Keywords: | Group Transfer polymerization Polymethyl methacrylate Living polym erization Zinc Bromide catalyst |
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