Process for drying water-wet polycarbonate membranes

Details Process for drying water-wet polycarbonate membranes Process for drying water-wet polycarbonate membranes

C - Chemistry, Metallurgy

08

J

18/24

C08J 9/28 (2006.01) B01D 53/22 (2006.01) B01D 67/00 (2006.01) B01D 71/50 (2006.01) F26B 5/00 (2006.01)

Patent

CA 1322444

ABSTRACT The invention is a process for drying water-wet polycarbonate membranes by contacting the membrane with a pretreatment fluid containing at least one C1-4 alcohol to remove residual solvent and non-solvent and/or tighten the membrane discriminating layer, followed by drying the membrane with air or an inert gas to evaporate the alcohol and/or water. 35,596-F

599076

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