CO2 as a regulator for the controllable preparation of highly dispersed chitosan-supported Pd catalysts in ionic
Zhimin Xue1, Xiaofu Sun, Zhonghao Li
1Beijing Key Laboratory of Lignocellulosic Chemistry, College of Materials Science and Technology, Beijing Forestry University, Beijing 100083, China. zmxue@bjfu.edu.cn.
Chemical Communications (Cambridge, England)
|May 20, 2015
Abstract:
A controllable synthetic route has been developed for the preparation of chitosan supported Pd catalysts in an ionic liquid, 1-butyl-3-methylimidazolium acetate ([Bmim]OAc), by using compressed CO2 as the anti-solvent and regulator. It was found that the dispersion of Pd particles on chitosan and the catalytic activity of the as-prepared catalysts for the hydrogenation of styrene could be tuned by changing the pressure of CO2.
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