The role of zinc oxide in carbonylation of ethylene glycol to ethylene carbonate with urea: A precursor for homogeneous catalyst

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• 作者：Jianpei Wang ; Yanmei Chen ; Weihua Shen ; ^{whshen@ecust.edu.cn} ; Zhiqing Zhu ; Yisheng Xu ; Yunjin Fang ; ^{yjfang@ecust.edu.cn}
• 关键词：ZnO ; Homogeneous catalysis ; Urea ; Ethylene glycol ; Ethylene carbonate
• 刊名：Catalysis Communications
• 出版年：2017
• 出版时间：10 January 2017
• 年：2017
• 卷：89
• 期：Complete
• 页码：52-55
• 全文大小：476 K
• 卷排序：89

文摘

Zn(NCO)2(NH3)2 is formed during the reaction of urea and ethylene glycol on ZnO. Zinc experienced three states of dissolution, homogeneous catalyst, and precipitate. The precipitate was identified to be a mixture containing Zn(OH)2, ZnCO3, and Zn(NCO)2.