Polymer membrane for proton driven ion transport

Details Polymer membrane for proton driven ion transport Polymer membrane for proton driven ion transport

B - Operations, Transporting

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B01D 71/00 (2006.01) B01D 69/14 (2006.01) B01D 71/58 (2006.01) B01D 71/68 (2006.01) B01J 20/28 (2006.01) C08F 8/00 (2006.01) C08F 8/30 (2006.01)

Patent

CA 1281246

ABSTRACT OF THE DISCLOSURE A functional membrane is provided for proton-driven ion transport. Such membrane consists essentially of a blend of (a) an active polymer having cation-binding sites, the cation binding sites being provided by a member selected from the group consist- ing of a crown ether, a cryptand and an acyclic complexone with an ionizable acidic site which is provided by a member selected from the group consisting of a carboxylic acid, a sulfonic acid and a phenol, the active polymer being incorporated into a poly- mer backbone via a spacer component; and (b) a support polymer selected from the group consisting of polyaramides, polysulfones, and polypiperazine-fumaramides. This thereby provides a homo- geneous membrane whose constituents consist of a blend of the components (a) and (b).

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