Abstract
Hydrophobic pervaporation membranes made of cross-linked poly(dimethylsiloxane) (PDMS) and poly(methylhydrogensiloxane) (PMHS) were prepared to separate ethanol/water mixtures. It was found that the permselective parameters are related with the level of cross-linking. The final structure of the silicone films obtained by different performance conditions and the interaction between the silicone and the components of liquid mixtures were analyzed in terms of viscoelastic properties of silicone films.
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