Method for modifying asymmetric membranes by endo-treating

Details Method for modifying asymmetric membranes by endo-treating Method for modifying asymmetric membranes by endo-treating

B - Operations, Transporting

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B01D 71/16 (2006.01) B01D 69/08 (2006.01) B05C 3/15 (2006.01) B05D 1/18 (2006.01) B05D 7/20 (2006.01) C08J 5/18 (2006.01)

Patent

CA 1320318

ABSTRACT A method of treating a dry asymmetric membrane comprising a barrier layer surface, and an obverse surface wherein the barrier layer surface is maintained in a drying atmosphere while a wetting liquid which is not a solvent for the bulk of the membrane is applied to the obverse surface of the membrane, and the membrane is dried by continuing the exposure of the barrier layer to a drying atmosphere.

562842

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