Styrene carbonate synthesis from CO2using tetrabutylammonium bromide as a non-supported heterogeneous catalyst phase

C.A. Montoya, A.B. Paninho, P.M. Felix, M.E. Zakrzewska, J. Vital, V. Najdanovic-Visak, A.V.M. Nunes

Research output: Contribution to journalArticle

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 1H NMR spectroscopy.
Original languageEnglish
Pages (from-to)155-159
JournalJournal of Supercritical Fluids
Volume100
DOIs
Publication statusPublished - 1 May 2015

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