IndTiCl2(OR)/MAO体系催化苯乙烯间规聚合 |
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作者姓名: | 马海燕 陈斌 黄吉玲 钱延龙 |
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作者单位: | [1]LaboratoryofOrganometallicChemistry,EastChinaUniversityofScienceandTechnology,Shanghai,200237,China [2]L,EastChinaUniversityofScienceandTechnology,Shanghai,200237,China |
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基金项目: | Supported by NNSFC and SINOPEC,NNS FC,国家重点基础研究发展计划(973计划),29734145,29871010,G19990 64801,,, |
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摘 要: | Since Ishihara et al[1] reported that a new macromolecule syndiotact ic polystyrene (s-PS) could be produced with high stereoregularity by using ( η5-Cp)TiCl3 activated with methylaluminoxane (MAO), more efforts were de voted to syntheses of new kinds of half-sandwich titanocenes and to elucidation of the relationship of precursor structure to its catalytic behavior[2~4]. The effect of the substituents attached to π-ligand on the styrene polym erization has been discussed[2~4], but the effect of σ-bonded ligands has not been reported properly.
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关 键 词: | 间规聚合 聚苯乙烯 茂金属钛化合物 烷氧基配体 |
收稿时间: | 2001-02-25 |
修稿时间: | 2000-08-17 |
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