Effect of the Surfactant on the Catalytic Activity of TiO2/CNT for Transesterification between Dimethyl Carbonate and Phenol

Acta Chimica Sinica ›› 2011, Vol. 69 ›› Issue (19): 2328-2334. Previous Articles Next Articles

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表面活性剂对TiO₂/CNT苯酚与碳酸二甲酯酯交换活性的影响

葛鑫^1,2，李碧静^1,2，胡静¹，陈彤*^,1，王公应*^,1，胡徐腾³

(¹中国科学院成都有机化学研究所成都 610041)
(²中国科学院研究生院北京 100049)
(³中国石油天然气股份有限公司石油化工研究院北京 100083)

投稿日期:2011-01-21 修回日期:2011-06-03 发布日期:2011-06-21
通讯作者: 陈彤 E-mail:chentongw@sina.com.cn
基金资助:
中国科学院“西部之光”联合学者自助项目

Effect of the Surfactant on the Catalytic Activity of TiO₂/CNT for Transesterification between Dimethyl Carbonate and Phenol

Ge Xin^1,2 Li Bijing^1,2 Hu Jing¹ Chen Tong*^,1 Wang Gongying*^,1 Hu Xuteng³

(¹Chengdu Institute of Organic Chemistry, Chinese Academy of Sciences, Chengdu 610041)
(²Graduate University of Chinese Academy of Sciences, Beijing 100049)
(³Research Institute of Petroleum Processing, China Petrochemical Corporation, Beijing 100083)

Received:2011-01-21 Revised:2011-06-03 Published:2011-06-21

Carbon nanotubes (CNT) were modified by cetyltrimethylammonium bromide (CTAB) and sodium dodecyl sulfate (SDS), and used to prepare catalyst TiO₂/CNT. The catalytic activity of TiO₂/CNT was tested by the transesterification between phenol and dimethyl carbonate (DMC). The catalysts were characterized by X-ray diffraction, SEM and TEM. The results showed crystalline TiO₂ were not yet formed, while amorphous was favorable to the transesterification. ICP results approved that more active species were loaded on CNT modified by surfactant. Furthermore, influence of the sort of surfactant on catalytic activity was studied, and the result showed that cationic surfactant was suited to TiO₂/CNT for the transesterification between phenol and DMC. TiO₂/CNT-C catalyst had a preferable reuse due to the electrostatic interaction between active species TiO₂ and support CNT-C.

Key words: surfactant, carbon nanotube, TiO₂/CNT, transesterification, dimethyl carbonate

CLC Number:

O643
TB332

Cite this article

GE Xin, LI Bi-Jing, HU Jing, CHEN Tong, WANG Gong-Ying, HU Xu-Teng. Effect of the Surfactant on the Catalytic Activity of TiO₂/CNT for Transesterification between Dimethyl Carbonate and Phenol[J]. Acta Chimica Sinica, 2011, 69(19): 2328-2334.

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表面活性剂对TiO₂/CNT苯酚与碳酸二甲酯酯交换活性的影响

Effect of the Surfactant on the Catalytic Activity of TiO₂/CNT for Transesterification between Dimethyl Carbonate and Phenol

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表面活性剂对TiO2/CNT苯酚与碳酸二甲酯酯交换活性的影响