Ethylene polymerization catalyzed by nickel-based complex combined with various modified EBAOs |
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| Authors: | Huaxiang Yang Zhiqiang Fan Weibo Lou Linxian Feng |
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| Institution: | Department of Polymer Science and Engineering, Zhejiang University, Hangzhou 310027, PR China |
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| Abstract: | A series of novel aluminoxanes, ethyl-isobutylalulminoxanes (EBAO) modified with n-butaneboronic acid, phenylboronic acid and 4-fluorobenzeneboronic acid are synthesized. The ethylene polymerization activity of diacetyl-bis(2,6-diisopropylanil)] NiBr2(1)/different aluminoxanes were investigated. It is found that boronic acid greatly affects the catalytic activity of modified EBAO. Bulky substituted boronic site of EBAO improved ethylene polymerization activity of nickel complex. |
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| Keywords: | Ethylene polymerization Cocatalyst/activator Late transition metal Aluminoxane |
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