Synthesis of Didodecyl Carbonate via Transesterification Catalyzed by KF/MgO

›› 2009, Vol. 17 ›› Issue (5): 883-886.

• • 上一篇

Synthesis of Didodecyl Carbonate via Transesterification Catalyzed by KF/MgO

范燕平^1,2,3, 王庆印¹, 杨先贵¹, 姚洁^1,2, 王公应^1,2

1. Chengdu Institute of Organic Chemistry, Chinese Academy of Sciences, Chengdu 610041, China;
2. Changzhou Institute of Chemistry, Changzhou 213164, China;
3. Graduate School of Chinese Academy of Sciences, Beijing 100039, China

收稿日期:2009-04-01 修回日期:2009-07-15 出版日期:2009-10-28 发布日期:2009-10-28
通讯作者: WANG Gongying,E-mail:gywang@cioc.ac.cn
基金资助:
Supported by the Petro China Company Limited

Synthesis of Didodecyl Carbonate via Transesterification Catalyzed by KF/MgO

FAN Yanping^1,2,3, WANG Qingyin¹, YANG Xiangui¹, YAO Jie^1,2, WANG Gongying^1,2

1. Chengdu Institute of Organic Chemistry, Chinese Academy of Sciences, Chengdu 610041, China;
2. Changzhou Institute of Chemistry, Changzhou 213164, China;
3. Graduate School of Chinese Academy of Sciences, Beijing 100039, China

Received:2009-04-01 Revised:2009-07-15 Online:2009-10-28 Published:2009-10-28
Supported by:
Supported by the Petro China Company Limited

摘要/Abstract

摘要： The catalytic properties of KF/MgO for the synthesis of didodecyl carbonate (DDC) by transesterification from dimethyl carbonate (DMC) and dodecanol were studied.The effects of loading amount of KF and calcining temperature were systemically investigated.The phase structure was characterized by X-ray diffraction (XRD) and Fourier transform infrared spectroscopy (FTIR).Interaction between KF and the carrier MgO occurred in the process of calcination,and a new phase K₂MgF₄ formed when calcining temperature was 673 K or above.FTIR results showed that K₂CO₃ was observed when catalysts calcined in air.When calcining temperature was 873 K and the loading mass amount of KF was 30%,the KF/MgO catalyst exhibited the optimal catalytic properties and the yield of DDC was maximized to 80%.The excellent catalytic properties of KF/MgO was ascribed to the formation of K₂MgF₄+K₂CO₃ during the calcination in air.

关键词: didodecyl carbonate, dimethyl carbonate, transesterification, supported KF catalyst

Abstract: The catalytic properties of KF/MgO for the synthesis of didodecyl carbonate (DDC) by transesterification from dimethyl carbonate (DMC) and dodecanol were studied.The effects of loading amount of KF and calcining temperature were systemically investigated.The phase structure was characterized by X-ray diffraction (XRD) and Fourier transform infrared spectroscopy (FTIR).Interaction between KF and the carrier MgO occurred in the process of calcination,and a new phase K₂MgF₄ formed when calcining temperature was 673 K or above.FTIR results showed that K₂CO₃ was observed when catalysts calcined in air.When calcining temperature was 873 K and the loading mass amount of KF was 30%,the KF/MgO catalyst exhibited the optimal catalytic properties and the yield of DDC was maximized to 80%.The excellent catalytic properties of KF/MgO was ascribed to the formation of K₂MgF₄+K₂CO₃ during the calcination in air.

Key words: didodecyl carbonate, dimethyl carbonate, transesterification, supported KF catalyst

范燕平, 王庆印, 杨先贵, 姚洁, 王公应. Synthesis of Didodecyl Carbonate via Transesterification Catalyzed by KF/MgO[J]. , 2009, 17(5): 883-886.

FAN Yanping, WANG Qingyin, YANG Xiangui, YAO Jie, WANG Gongying. Synthesis of Didodecyl Carbonate via Transesterification Catalyzed by KF/MgO[J]. , 2009, 17(5): 883-886.

参考文献

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Synthesis of Didodecyl Carbonate via Transesterification Catalyzed by KF/MgO

Synthesis of Didodecyl Carbonate via Transesterification Catalyzed by KF/MgO

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