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学科主题: 金属有机化学
题名: Copolymerization of ethylene with cycloolefins by titanium complexes containing tridentate [(O-NSR)] Ligands
其他题名: Copolymerization of ethylene with cycloolefins by titanium complexes containing tridentate [(O-NSR)] Ligands
作者: Gao ML(高明丽) ; Sun XL(孙秀丽) ; Gu YF(顾越峰) ; Yao XL(姚小利) ; Li CF(李传峰) ; Bo JY(柏基业) ; Wang C(王聪) ; Ma Z(马志) ; Tang Y(唐勇) ; Xie ZW(谢作伟) ; Bu SZ(步时真) ; Qian ZT(钱长涛)
通讯作者: 唐勇 ; 谢作伟
刊名: J. Polym. Sci. Pol. Chem.
发表日期: 2008-01-01
卷: 46, 期:8, 页:2807-2819
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 family of titanium complexes of the general formula [N-(3,5-di-tertbutylsalicylidene)-2-alkylsulfanylanilinato]Ti(IV)Cl-3 5a-f was prepared from the reaction of TiCl4 with the potassium salts of the corresponding ligands. These complexes were fully characterized by various spectroscopic techniques and elemental analyses. The molecular structures of 5b and 5e were further confirmed by single-crystal X-ray analyses. Complexes 5a-f (except for 5c) exhibited good to high catalytic activities in ethylene copolymerization with cycloolefins such as norbornene, cyclopentene, dicyclopentadiene in the presence of modified methylaluminoxane. The reaction conditions and the steric hindrance of the alkyl substituents on sulfur atom in the precatalysts influenced strongly the copolymerization behaviors and the structures of the resultant copolymers. Complex 5c with bulky tert-butylthio sidearm showed both low catalytic activity and comonomer incorporation ratio. The n-alkylthio complexes 5a, 5d-f all exhibited good ethylene copolymerization capabilities with cycloolefins, which is superior to the corresponding phenylthio complex 5g. (c) 2008 Wiley Periodicals, Inc.
语种: 英语
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WOS记录号: WOS:000254978600021
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内容类型: 期刊论文
URI标识: http://ir.sioc.ac.cn/handle/331003/15299
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,Sun XL,Gu YF,et al. Copolymerization of ethylene with cycloolefins by titanium complexes containing tridentate [(O-NSR)] Ligands[J]. J. Polym. Sci. Pol. Chem.,2008,46(8):2807-2819.
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