Selectively permeable membrane

Details Selectively permeable membrane Selectively permeable membrane

B - Operations, Transporting

01

D

183/2, 117/88.5

B01D 69/10 (2006.01) B01D 53/26 (2006.01) B01D 69/12 (2006.01) B01D 71/42 (2006.01)

Patent

CA 2016564

ABSTRACT A water vapor permeable membrane, selectively impermeable to acid vapors, being constructed from a thin film layer of sulfonated polyacrylonitrile containing a cationic dye on a supporting porous polytetrafluoroethylene membrane.

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