POLYMER MEMBRANE FOR THE SEPARATION OF GAS MIXTURE

摘要

The membrane of the invention comprises asymmetric hollow fiber, obtained from polyethersulfur for pervaporation purposes, and treated with mixtures of liquids (C2H50H+X) wherein X is toluene, acetone, dimethylformamide with a content between 7 and 12 % by volume of the mixture, and further treated with a solution at 2.5 % by volume of urethane siloxane in isopropylic alcohol.