| 含有烯丙基亚胺酚配体的ⅣB族烯烃聚合催化剂以及制备双峰分布聚乙烯(英) |
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| 引用本文： | 陈正军,张道,金国新. 含有烯丙基亚胺酚配体的ⅣB族烯烃聚合催化剂以及制备双峰分布聚乙烯(英)[J]. 无机化学学报, 2005, 21(12): 1775-1783 |
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| 作者姓名： | 陈正军 张道 金国新 |
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| 作者单位： | 1. 中国科学院长春应用化学研究所高分子物理与化学国家重点实验室,长春,130022
2. 复旦大学化学系,上海,200433 |
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| 基金项目： | 国家自然科学基金(No.20274008,29925101)，“973”基金(No.1999064800)资助项目。 |
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| 摘 要： | 选择含有烯丙基亚胺酚为辅助配体，设计合成了5个ⅣB族钛锆金属络合物[{CH2=CHCH2N=CH-C6H3(3-R)O}2MCl2](4a：R=t-Bu，M=Zr；4b：R=t-Bu，M=Ti；4c：R=Ph，M=Zr；4d：R=Ph，M=Ti)和[{(CH3)2CHCH2N=CH-C6H3(3-t-Bu)O}2ZrCl2] (5)，对它们进行了红外光谱、核磁共振及元素分析表征。并用X-射线单晶衍射法测定了化合物4a和4d的晶体结构。部分配合物在助催化剂MMAO的作用下对烯烃聚合显示了较好的催化活性，其中自固载催化剂4a生成了双峰分布的聚烯烃产品 (Mw/Mn=15.3～31.9)。
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| 关 键 词： | 钛； 锆； N，O配体； 均相催化剂； 乙烯聚合 |
| 文章编号： | 1004-4861(2005)12-1775-09 |
| 收稿时间： | 2005-09-20 |
| 修稿时间： | 2005-10-30 |
Bimodal-Distribution Polyethylene Produced by Group Ⅳ B Complexes Bearing Allyl Substitutes on the Imine-N Sites of Phenoxyimine Chelate Ligands |
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| CHEN Zheng-Jun,ZHANG Dao and JIN Guo-Xin. Bimodal-Distribution Polyethylene Produced by Group Ⅳ B Complexes Bearing Allyl Substitutes on the Imine-N Sites of Phenoxyimine Chelate Ligands[J]. Chinese Journal of Inorganic Chemistry, 2005, 21(12): 1775-1783 |
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| Authors: | CHEN Zheng-Jun ZHANG Dao JIN Guo-Xin |
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| Affiliation: | State Key Laboratory of Polymer Physics and Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022,Department of Chemistry, Fudan University, Shanghai 200433 and Department of Chemistry, Fudan University, Shanghai 200433 |
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| Abstract: | Five Group ⅣB phenol-imine complexes, [{CH2=CHCH2N=CH-C6H3(3-R)O}2MCl2] (4a: R=t-Bu, M=Zr;4b: R=t-Bu, M=Ti; 4c: R=Ph, M=Zr; 4d: R=Ph, M=Ti) and [{(CH3)2CHCH2N=CH-C6H3(3-t-Bu)O}2ZrCl2] (5) have been synthesized and characterized by IR, 1H NMR spectra and elemental analysis. The molecular structures of complex 4a and 4d have been determined by X-ray crystallographic analysis. All these compounds have been investigated for ethylene polymerization. Self-immobilized catalyst 4a exhibits high activity to afford bimodal distribution of polyethylene (Mw/Mn=1S.3～31.9) in the presence of modified methylaluminoxane (MMAO) as a co-catalyst. CCDC: 249504, 4a; 274994, 4d. |
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| Keywords: | titanium zirconium N, O ligands homogeneous catalysts ethylene polymerization |
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