| 二氧化硅负载Cr(acac)3/PNP催化剂的制备及其催化乙烯四聚反应性能研究 |
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| 作者姓名： | Shao Huaiqi ;Li Yafei ;Ga oXianglu ;Zhang Baojun ;Yi Jianjun ;Jiang Tao ;Li Jian |
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| 作者单位： | 1. 天津科技大学;2. 中国石油石油化工研究院; |
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| 基金项目： | supported by the National Natural Science Foundation of China (U1162114);the PetroChina Innovation Foundation (2012D-5006-0501);the Tianjin Municipal Education Commission of China (20110505);the Natural Science Foundation of Tianjin (12JCQNJC06000);the Program for New Century Excellent Talents in University (NCET-07-0142) |
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| 摘 要： | Chromium acetylacetonate and bis(diphenylphosphino)isopropylamine were coordinated in situ and supported on methylaluminoxane-modified silica. The catalyst structure and effects of reaction temperature, reaction pressure and Al/Cr molar ratio on ethylene tetramerization were investigated in detail. Chromium was uniformly and firmly immobilized on the support and could not be leached off by methylaluminoxane. The supported catalyst, upon being activated with methylaluminoxane, exhibited catalytic activity of 1.70×107 g/(mol Cr·h) for ethylene tetramerization to form 1-octene at a reaction temperatures of 80 ℃, a pressure of 2.0 MPa and an Al/Cr molar ratio of 300. The supported catalyst presented a good tolerance to high temperature.
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| 关 键 词： | 乙烯四聚 1-辛烯 Cr(acac)3/PNP 负载催化剂 |
Preparation and Catalytic Performance of Silica-Supported Cr（acac）3/PNP for Ethylene Tetramerization |
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| Shao Huaiqi,;Li Yafei,;Ga oXianglu,;Zhang Baojun,;Yi Jianjun,;Jiang Tao,;Li Jian.Preparation and Catalytic Performance of Silica-Supported Cr（acac）3/PNP for Ethylene Tetramerization[J].China Petroleum Processing and Petrochemical Technology,2014,16(1):45-51. |
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| Authors: | Shao Huaiqi Li Yafei Gao Xianglu Zhang Baojun Yi Jianjun Jiang Tao Li Jian |
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| Affiliation: | 1. Tianjin University of Science & Technology;2. Petrochemical Research Institute, PetroChina Company Limited,; |
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| Abstract: | |
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| Keywords: | ethylene tetramerization -octene Cr(acac)/PNP supported catalyst |
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