| LEWIS碱对聚丙烯构型的影响 |
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| 引用本文： | 张翠菊,杜军,肖士镜.LEWIS碱对聚丙烯构型的影响[J].高分子学报,1989,0(2):236-241. |
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| 作者姓名： | 张翠菊 杜军 肖士镜 |
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| 作者单位： | 中国科学院化学研究所 北京
(张翠菊，杜军)，中国科学院化学研究所 北京(肖士镜) |
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| 摘 要： | 用~(13)C-NMR技术研究了Lewis碱对聚丙烯等规和无规构型、立规度和数均序列长度的影响。
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| 关 键 词： | Lewis碱 ~(13)C-NMR 构型 |
| 收稿时间： | 1987-09-11 |
EFFECT OF LEWIS BASES IN ZIEGLER-NATTA CATALYST SYSTEM ON THE CONFIGURATIONS OF POLYPROPYLENE |
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| ZHANG Cui-ju,DU Jan,XIAO Shi-jing.EFFECT OF LEWIS BASES IN ZIEGLER-NATTA CATALYST SYSTEM ON THE CONFIGURATIONS OF POLYPROPYLENE[J].Acta Polymerica Sinica,1989,0(2):236-241. |
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| Authors: | ZHANG Cui-ju DU Jan XIAO Shi-jing |
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| Institution: | Institute of Chemistry; Academia Sinica; Beijing |
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| Abstract: | In this paper, effect of Lewis bases on the configuration of isotactic and atactic polypropylene, the tacticity of triad and pentad as well as the number average sequence length have been studied by 13C-NMR spectra. The effect of Lewis bases on raising the stereospecifi-city of polypropylene structure for Lib, Lo, Li, Ln, has been obtained, the isotacticity measured using extraction with boiling-heptane has been explained from the configuration of polypropylene. |
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| Keywords: | Lewis bases 13C-NMR spectra Structure |
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