Publication Type Journal Article
Title Styrene carbonate synthesis from CO2 using tetrabutylammonium bromide as a non-supported heterogeneous catalyst phase
Authors C.A. Montoya A.B. Paninho P.M. Felix M.E. Zakrzewska J. Vital V. Najdanovic-Visak A.V.M. Nunes
Groups
Journal Journal of Supercritical Fluids
Year 2015
Month May
Volume 100
Number
Pages 155-159
Abstract The production of cyclic styrene carbonate from CO2 cycloaddition to styrene oxide, using tetrabutylammonium bromide (TBABr) as catalyst, was investigated. Two different reaction systems, a CO2-rich and an epoxide-rich were studied. Reactions were performed in a visual high pressure cell, at different temperatures (313.2, 333.2, and 353.2 K) and pressures (0.5-18 MPa). High pressure phase behaviour manipulation of the reaction system was explored to shift catalysis from homogeneous to heterogeneous, by changing operation conditions. Styrene carbonate formation was monitored quantitatively by using H-1 NMR spectroscopy.
DOI http://dx.doi.org/10.1016/j.supflu.2015.01.027
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