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Title: Sulfonic-acid-functionalized porous benzene phenol polymer and carbon for catalytic esterification of methanol with acetic acid
Authors: Tian, X.
Zhang, L.L. 
Bai, P. 
Zhao, X.S. 
Keywords: Esterification
Porous carbon
Porous polymer
Issue Date: 30-May-2011
Citation: Tian, X., Zhang, L.L., Bai, P., Zhao, X.S. (2011-05-30). Sulfonic-acid-functionalized porous benzene phenol polymer and carbon for catalytic esterification of methanol with acetic acid. Catalysis Today 166 (1) : 53-59. ScholarBank@NUS Repository.
Abstract: Porous benzene phenol polymer and carbon were synthesized in the presence of Pluronic P123 as template. Sulfonation of the porous structures yielded solids with sulfonic acid groups. The compositions of the solid acids were characterized using elemental analysis and thermogravimetric analysis methods. Their pore structures were investigated by physical adsorption of nitrogen. X-ray photoelectron spectroscopy and Fourier-transform infrared spectroscopy were used to characterize surface functional groups. Carbonization of porous benzene phenol polymer at evaluated temperatures transferred the polymer to carbon as proven by X-ray diffraction and transmission electron microscope techniques. The catalytic properties of the solid acids were evaluated using esterification of methanol with acetic acid. Results showed that the catalytic activity for the sulfonated polymer increased with the increase in sulfonation temperature. Sulfonic acid groups on the polymer framework were observed to be more stable than those on the carbon framework. © 2010 Elsevier B.V. All rights reserved.
Source Title: Catalysis Today
ISSN: 09205861
DOI: 10.1016/j.cattod.2010.03.082
Appears in Collections:Staff Publications

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