Study of volume swelling and interfacial tension of the polystyrene–carbon dioxide–dimethyl ether system

[Display omitted] We investigated the interaction of blended carbon dioxide (CO2) and dimethyl ether (DME) with polystyrene (PS) through volume swelling and interfacial tension. The experiments were carried out over a temperature range of 423–483K, and the pressure was varied from 6.89MPa to 20.68MP...

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Bibliographic Details
Published in:Journal of colloid and interface science 2015-10, Vol.456, p.174-181
Main Authors: Mahmood, S.H., Xin, C.L., Lee, J.H., Park, C.B.
Format: Article
Language:English
Subjects:
Interfacial tension
Nucleation
Plasticizing
Simha–Somcynsky EOS
Ternary mixture system
Volume swelling
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Summary:[Display omitted] We investigated the interaction of blended carbon dioxide (CO2) and dimethyl ether (DME) with polystyrene (PS) through volume swelling and interfacial tension. The experiments were carried out over a temperature range of 423–483K, and the pressure was varied from 6.89MPa to 20.68MPa. With an incremental concentration of DME in the blend, the volume swelling increased while the interfacial tension between the PS/blend gas mixture and the blend gas decreased. The validity of the Simha–Somcynsky (SS) equation of state (EOS) for the ternary system was established by comparing experimentally measured volume swelling to that obtained via SS-EOS.
ISSN:0021-9797
1095-7103
DOI:10.1016/j.jcis.2015.06.005