Corresponding-States Model for the Correlation andPrediction of the Surface Tension of Silanes

2020 
A new corresponding-states model for the calculation of the surface tension of silanes is proposed. It requires, as input properties, the critical point temperature, the minimum temperature at which one data for the surface tension is available, and the corresponding maximum value of this property. It includes two adjustable coefficients, which are calculated by considering the data available at the DIPPR database for 5 silanes. Then the model is applied to predict the surface tension values for other 31 silanes. Averaged absolute deviations below 12% are found for the 36 silanes, being below 5% for 33 of them. Results obtained by using the other five corresponding-states models available in the literature, one of them specifically designed for silanes, are also obtained. That proposed here gives clearly the best overall results.
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