Membrane consisting of polyquaternary amine ion exchange polymer

Details Membrane consisting of polyquaternary amine ion exchange polymer Membrane consisting of polyquaternary amine ion exchange polymer

1977-02-23

1978-10-10

Schofer, Joseph L.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Ion-exchange polymer or process of preparing

210 24R, 260 21E, 260 17A, 260858, 260886, 260895, 260898, 260900, 260901, 521 62, 521 32, C08L 3908, C08J 522, B01D 1504

Patent

active

041195817

ABSTRACT:
An ion-exchange membrane is formed from a solution containing dissolved matrix polymer and a set of monomers which are capable of reacting to form a polyquaternary ion-exchange material; for example vinyl pyridine and a dihalo hydrocarbon. After casting the solution and evaporation of the volatile components, a relatively strong ion-exchange membrane is obtained which is capable of removing anions, such as nitrate or chromate from water. The ion-exchange polymer forms an interpenetrating network with the chains of the matrix polymer.

REFERENCES:
patent: 3944485 (1976-03-01), Rebawn et al.
patent: 4007138 (1977-02-01), Konig
patent: 4014798 (1977-03-01), Rebawn

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