Polymer membrane for proton driven ion transport

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

1989-03-13

1990-03-06

Jones, W. Gary

Liquid purification or separation

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Material

204296, 204418, 210506, 264 41, 264204, B01D 1300, B01D 1304

Patent

active

049063766

ABSTRACT:
A functional membrane is provided for proton-driven ion transport. It consists essentially of a blend of two components. The first component is an active polymer having cation-binding sites, the cation binding sites being provided, e.g., by a crown ether, a cryptand or an acyclic complexone with an ionizable acidic site, e.g., a carboxylic acid, a sulfonic acid and a phenol, such active polymer being incorporated into a polymer backbone via a spacer component. The second component is a support polymer, e.g. a polyaramide, a polysulfone, or a polypip-erazine-fumaramide.

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Industrial & Engineering Chemistry, vol. 49, No. 11, Nov. 1957, pp. 1812-1819.
A. Zinke & F. Ziegler, Chem. Ber., 77, 264-272 (1944).
M. Yoshikawa et al., J. Membr. Sci., 20, 189-199 (1984).

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