| Bimodal PE prepared with combined iron (II) and nickel (II) olefin polymerization catalysts |
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| 作者姓名： | WANG Shibo LIU Dongbing XU Renwei & MAO Bingquan . College of Science Beijing University of Chemical Technology Bei- jing China . Polyolefins National Engineering and Research Center Beijing Re- search Institute of Chemical Industry China Petroleum & Chemical Corporation Beijing China |
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| 作者单位： | WANG Shibo1，2，LIU Dongbing2，XU Renwei1，2 & MAO Bingquan2 1. College of Science，Beijing University of Chemical Technology，Bei- jing 100029，China; 2. Polyolefins National Engineering and Research Center，Beijing Re- search Institute of Chemical Industry，China Petroleum & Chemical Corporation，Beijing 100013，China |
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| 摘 要： | Iron (II) and nickel (II) complexes based on bis (imine) ligands are typical late-transition olefin poly- merization catalysts. As usual, nickel (II) catalysts can produce branched polyethylene (PE) even super branched PE of narrow molecular weight distri…
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| 收稿时间： | 24 August 2005 |
| 修稿时间： | 12 October 2005 |
Bimodal PE prepared with combined iron (II) and nickel (II) olefin polymerization catalysts |
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| WANG Shibo,,LIU Dongbing,XU Renwei, & MAO Bingquan . College of Science,Beijing University of Chemical Technology,Bei- jing ,China, . Polyolefins National Engineering and Research Center,Beijing Re- search Institute of Chemical Industry,China Petroleum & Chemical Corporation,Beijing ,China.Bimodal PE prepared with combined iron (II) and nickel (II) olefin polymerization catalysts[J].Chinese Science Bulletin,2006,51(1):115-116. |
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| Authors: | WANG Shibo LIU Dongbing XU Renwei MAO Bingquan |
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| Institution: | (1) College of Science, Beijing University of Chemical Technology, Beijing, 100029, China;(2) Polyolefins National Engineering and Research Center, Beijing Research Institute of Chemical Industry, China Petroleum & Chemical Corporation, Beijing, 100013, China |
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| Abstract: | Combined iron (II) and nickel (II) olefin polymerization catalysts could produce a kind of PE having the characters of ideal bimodal PE with ap- propriate conditions and catalysts. In the ethylene homopolymerization with triethylalkylaluminum (AlEt3) as the activator, the prepared bimodal PE contained not only branched PE of high molecular weight, but also linear PE of low molecular weight. And the amounts of both fractions were similar. Ideal bimodal PE resin was prepared in one polymerization reactor. |
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| Keywords: | bimodal PE iron nickel combined catalyst |
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