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Información tecnológica

versión On-line ISSN 0718-0764

Resumen

VALDERRAMA, José O  y  ROJAS, Roberto E. Advances in the Prediction of Physical, Physicochemical and Transport Properties of Ionic Liquids. Inf. tecnol. [online]. 2009, vol.20, n.4, pp. 149-160. ISSN 0718-0764.  http://dx.doi.org/10.4067/S0718-07642009000400017.

The advances done by the research group in La Serena-Chile on the estimation of several physical, physicochemical, and transport properties of ionic liquids (ILs) are presented and analyzed. Although it has been mentioned in the literature that the methods usually applicable to organic fluids cannot be used to estimate the properties of ILs and a new formalism to explain the especial behavior of ILs should be formulated, the group in La Serena has demonstrated that this is not correct. This work presents the results of applying several traditional methods for estimating some properties of ILs; in particular, group contribution techniques, generalized correlation, empirical correlations, and neural networks have been employed. Until now, the critical properties, the vapor pressure, the density and the viscosity of ILs have been correlated and predicted.

Palabras clave : ionic liquids; group contribution; critical properties; vapor pressure; viscosity.

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