Permselective membranes of diacyl hydrazide-containing aromatic

Details Permselective membranes of diacyl hydrazide-containing aromatic Permselective membranes of diacyl hydrazide-containing aromatic

1974-08-09

1976-05-04

Hart, Charles N.

Liquid purification or separation

With alarm, indicator, register, recorder, signal or...

Responsive to fluid flow

210500M, B01D 1300

Patent

active

039546071

ABSTRACT:
Permselective membranes comprising hydrazide-containing aromatic polymers complexed with selected metals that form square planar coordination complexes therewith; the membranes being prepared by reacting the polymer with a salt solution of the selected metal so that the metal is incorporated into the resulting membranes; the membranes being useful, among other things, for the reverse osmosis separation of a salt solute from an aqueous solvent.

REFERENCES:
patent: 3373056 (1968-03-01), Martin
patent: 3449245 (1969-06-01), Johnson et al.
patent: 3567632 (1971-03-01), Richter et al.
Metal Chelates of Polyhydrazides, Journal of Polymer Sc., Part A, Vol. 2, pp. 1825-1832 (1964), Frazer & Wallenberger.

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