Simha Robert's research while affiliated with National Research Council Canada and other places
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Publication (1)
The aim of this article is to examine the limits of applicability of the Simha-Somcynsky (S-S) equation of state (EOS) by comparing the pressure-volume-temperature (PVT) data and the derivatives (compressibility, κ, and thermal expansion coefficient, α) of anionic linear polystyrene (PS) with poly(benzyl ether) dendrimers (PBED). Fitting the PVT of...
Citations
... The third objective was to attempt fitting the PVT data, obtained for D2 and HBP2 melts, to the Simha-Somcynsky (S-S) equation of state (EOS) to understand if this EOS, originally developed to describe linear polymers, can also be used to describe the PVT surfaces of these dendritic polymers; it has been debated in the past that the S-S approach can generally be used to describe the PVT data of dendritic polymer architectures [36,37]. Note, the poly(benzyl ether) dendrimer polymers are the only systems for which PVT data have been reported and the S-S EOS successfully applied [38,39]. Finally, fitting the experimental data to the theory would have empowered calculating and comparing the fractional free volume, h, in D2 and HBP2 melts. ...
