Reference : On the phase behaviour of oxetane-CO2 and propargylic alcohols-CO2 binary mixtures by...
Scientific journals : Article
Physical, chemical, mathematical & earth Sciences : Chemistry
Engineering, computing & technology : Materials science & engineering
http://hdl.handle.net/2268/210098
On the phase behaviour of oxetane-CO2 and propargylic alcohols-CO2 binary mixtures by in situ infrared micro-spectrometry
English
Zaky, Mohamed [University of Bordeaux, Institute of Molecular Sciences, France > > > >]
Boyaval, Amélie [University of Liège (ULg), Complex and Entangled Systems from Atoms to Materials (CESAM), Center for Education and Research on Macromolecules (CERM) > University of Bordeaux, Institute of Molecular Sciences, France > > >]
Grignard, Bruno [Université de Liège > Département de chimie (sciences) > Centre d'études et de rech. sur les macromolécules (CERM) >]
Méreau, Raphaël [University of Bordeaux, Institute of Molecular Sciences, France > > > >]
Detrembleur, Christophe mailto [University of Liège (ULg), Complex and Entangled Systems from Atoms to Materials (CESAM), Center for Education and Research on Macromolecules (CERM) > > > >]
Jérôme, Christine mailto [University of Liège (ULg), Complex and Entangled Systems from Atoms to Materials (CESAM), Center for Education and Research on Macromolecules (CERM) > > > >]
Tassaing, Thierry [University of Bordeaux, Institute of Molecular Sciences, France > > > >]
In press
Journal of Supercritical Fluids
Elsevier Science
Yes (verified by ORBi)
International
0896-8446
Amsterdam
The Netherlands
[en] supercritical carbon dioxide
[en] The phase behaviour of carbon dioxide/propargylic alcohols and carbon dioxide/oxetanes mixtures has been investigated using in-situ FTIR microspectrometry that allows us determining the evolution of the concentration of each component in the liquid phase as a function of temperature and pressure. It was at the same time possible to look inside the cell and to visualize the expansion of the liquid phase during the increase of the pressure. The measurements were performed at three different temperatures (40, 70 and 100◦C) for pressures ranging between 0.1 and 15 MPa. Propargylic alcohol (PA), 2-methyl-3-butyn-2-ol (MBOL), 3-butyn-1-ol (BOL) and trimethylene oxide (TMO) were selected as these molecules are used in the synthesis of cyclic or polycarbonates by coupling with CO2. Thus, we determined the CO2 sorption and the concentration of the substrate in the liquid phase. Thanks to these measurements, we established the pressure-composition phase diagram for the liquid phase of these substrate/CO2 binary mixtures.
Center for Education and Research on Macromolecules (CERM) ; CESAM Complex and Entangled Systems from Atoms to Materials (CESAM)
Fonds de la Recherche Scientifique (Communauté française de Belgique) - F.R.S.-FNRS ; Politique Scientifique Fédérale (Belgique) = Belgian Federal Science Policy ; The Walloon Region in the frame of the "CO2Green" and "Flycoat" programs ; Région Aquitaine
Researchers
http://hdl.handle.net/2268/210098
10.1016/j.supflu.2017.03.009

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