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学科主题: 金属有机化学
题名: Ethylene homopolymerization and copolymerization with alpha-olefins catalyzed by titanium complexes bearing [(O-NSR)] tridentate ligands
其他题名: Ethylene homopolymerization and copolymerization with alpha-olefins catalyzed by titanium complexes bearing [(O-NSR)] tridentate ligands
作者: Gao ML(高明丽) ; Gu YF(顾越峰) ; Wang C(王聪) ; Yao XL(姚小利) ; Sun XL(孙秀丽) ; Li CF(李传峰) ; Qian ZT(钱长涛) ; Liu B(刘博) ; Ma Z(马志) ; Tang Y(唐勇) ; Xie ZW(谢作伟) ; Bu SZ(步时真) ; Gao Y(高原)
通讯作者: 唐勇 ; 谢作伟
刊名: J. Mol. Catal. A-Chem.
发表日期: 2008
卷: 292, 期:1-2, 页:62-66
收录类别: SCI
部门归属: 上海有机所; 扬子石化有限公司; 香港中文大学
英文摘要: A series of titanium complexes of the general formula [N-(3,5-di-tert-butylsalicylidene)-2-alkyl-sulfanylanilinato]Ti(IV)Cl-3 (5a, b, e and f) exhibited very high catalytic activities in ethylene homo- and copolymerization with various alpha-olefins in the presence of modified methylaluminoxane (MMAO). The results showed that steric hindrance of the alkylthio, groups in 5a-f strongly influenced the polymerization behavior. An increase in the steric hindrance of these alkyl units led to the decrease in both catalytic activity and comonomer incorporation ratio. On the other hand, the amount of alpha-olefin incorporated into the copolymer chain depended on the molar ratio of the monomers in the polymerization reaction and was slightly influenced by the chain length of alpha-olefin. Comparisons between alkylthio and arylthio substituents on catalyst performance were also discussed in this article. (C) 2008 Elsevier B.V. All rights reserved.
语种: 英语
相关网址: 查看原文
WOS记录号: WOS:000260357100009
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内容类型: 期刊论文
URI标识: http://ir.sioc.ac.cn/handle/331003/15295
Appears in Collections:金属有机化学国家重点实验室_期刊论文

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Recommended Citation:
Gao ML,Gu YF,Wang C,et al. Ethylene homopolymerization and copolymerization with alpha-olefins catalyzed by titanium complexes bearing [(O-NSR)] tridentate ligands[J]. J. Mol. Catal. A-Chem.,2008,292(1-2):62-66.
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