High Productive Ethylene Trimerization Catalyst Based on CrCl<Subscript>3</Subscript>/SNS Ligands期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

High Productive Ethylene Trimerization Catalyst Based on CrCl3/SNS Ligands

Authors:	Ebrahim?Ahmadi author-information" > author-information__contact u-icon-before" > mailto:ahmadi@znu.ac.ir" title=" ahmadi@znu.ac.ir" itemprop=" email" data-track=" click" data-track-action=" Email author" data-track-label=" " >Email author,Zahra?Mohamadnia,Mehdi?Nekoomanesh?Haghighi

Affiliation:	(1) Polymer Synthesis Laboratory, Chemistry Department, Zanjan University, PO Box 45195-313, Zanjan, Iran;(2) Department of Polymerization Engineering, Iran Polymer and Petrochemical Institute (IPPI), PO Box 14965-115, Tehran, Iran;(3) Department of Chemical Engineering, Zanjan University, PO Box 45195-313, Zanjan, Iran

Abstract:	Abstract Methylaluminoxane (MAO)-activated chromium (III) complexes of tridentate SNS ligands of the form (RSCH₂–CH₂)₂NH (R = alkyl, aryl) have been prepared and tested for the trimerization of ethylene to 1-hexene. The effect of ethylene pressure, Al/Cr ratio and S donor substitution on 1-C6 selectivity and productivity has been examined. It is shown that when the substitution on S is pentyl group it will lead to the highest productivity, 174200 g 1-C6/g Cr h, due to the synergistic effect of this group.

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