Abstract
Hydraulic permeability of water-alcohol mixtures has been measured in polymer membranes based on poly(tetrafluoroethylene) and polyamide-6, deformed in adsorption-active media. Preferential sorption of one component of the mixture decides on the character of the dependence of permeability on composition; in the absence of preferential sorption the above dependence is given only by the viscosity of the permeant. The interaction between the permeant and the membrane was estimated from measurements of mechanical properties of polmers in contact with the liquid medium.
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