期刊
CATALYSIS TODAY
卷 205, 期 -, 页码 60-66出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.cattod.2012.09.033
关键词
UV Raman spectroscopy; Furfuryl alcohol; Polymerization; Solvent effect; Acid catalyst
The effect of alcohol as a solvent on the acid-catalyzed conversion of furfuryl alcohol (FA) into polymerized furfuryl alcohol (PFA) has been studied by UV Raman spectroscopy. The major peak intensity ratios were compared to gain quantitative information about the extent of polymerization in various solvents. The reaction rate of the polymerization has been found to significantly decrease with increasing concentrations of ethanol or butanol (n-butanol and iso-butanol). Compared to ethanol, longer or branched chain alcohols such as n-butanol and iso-butanol can marginally reduce the acid-catalyzed polymerization at room temperature. The plot of reciprocal intensity of the characteristic Raman band of FA vs. the reaction time suggests that the polymerization reactions follow second-order kinetics. (C) 2012 Elsevier B.V. All rights reserved.
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