| High-molecular-weight Polyethylene Prepared with Early Transition Metal Catalysts |
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| 引用本文： | Jian Jun YI Wei ZHAO Zhen Hua JING. High-molecular-weight Polyethylene Prepared with Early Transition Metal Catalysts[J]. 中国化学快报, 2005, 16(10): 1386-1388 |
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| 作者姓名： | Jian Jun YI Wei ZHAO Zhen Hua JING |
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| 作者单位： | Research Institute of Petroleum Processing, Beijing 914-24, Beijing 100083 |
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| 摘 要： | Early transition metal catalysts [N,N]MCln, in which [N,N] is N-（2,6-diisopropylphenyl） pyridine-2-carboxaldimine （C18H22N2, NN-1）, N-（2,6-diisopropylphenyl）-6-methylpyridine-2- carboxaldimine （C19H24N2, NN-2）, N-（2,4,6-trimethylphenyl）pyridine-2-carboxaldimine （CIsH16N2, NN-3）, M is Ti, Zr and V, and n is 3 or 4, e.g. [NN-1]TiCh 1a, [NN-1]ZrCh 1b, [NN-1]VC13 1c, [NN-2]TiCh 2a, [NN-2]ZrCh 2b, [NN-2]VC13 2e, [NN-3]TiCh 3a have been investigated to catalyze ethylene polymerization in the presence of methylaluminoxane （MAO）. It was noteworthy that polyethylene characteristic of high molecular weight and wide or bimodal molecular weight distribution was formed with moderate to high activities.
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| 关 键 词： | 聚乙烯 分子质量 金属转换 催化剂 聚合反应 |
| 收稿时间： | 2004-12-28 |
High-molecular-weight Polyethylene Prepared with Early Transition Metal Catalysts |
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| Jian;Jun;YI;Wei;ZHAO;Zhen;Hua;JING. High-molecular-weight Polyethylene Prepared with Early Transition Metal Catalysts[J]. Chinese Chemical Letters, 2005, 16(10): 1386-1388 |
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| Authors: | Jian Jun YI Wei ZHAO Zhen Hua JING |
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| Abstract: | Early transition metal catalysts [N,N]MCln, in which [N,N] is N-(2,6-diisopropylphenyl) pyridine-2-carboxaldimine (C18H22N2, NN-1), N-(2,6-diisopropylphenyl)-6-methylpyridine-2- carboxaldimine (C19H24N2, NN-2), N-(2,4,6-trimethylphenyl)pyridine-2-carboxaldimine (C15H16N2, NN-3), M is Ti, Zr and V, and n is 3 or 4, e.g. [NN-1]TiCl4 1a, [NN-1]ZrCl4 1b, [NN-1]VCl3 1c, [NN-2]TiCl4 2a, [NN-2]ZrCl4 2b, [NN-2]VCl3 2c, [NN-3]TiCl4 3a have been investigated to catalyze ethylene polymerization in the presence of methylaluminoxane (MAO). It was note- worthy that polyethylene characteristic of high molecular weight and wide or bimodal molecular weight distribution was formed with moderate to high activities. |
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| Keywords: | Early transition metal catalyst ethylene polymerization. |
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