Process for removing unsaturation from ion exchange resins conta

Details Process for removing unsaturation from ion exchange resins conta Process for removing unsaturation from ion exchange resins conta

1978-11-20

1980-09-09

Schofer, Joseph L.

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

Synthetic resins

Ion-exchange polymer or process of preparing

525376, 521 38, C08L 2326, C08F 804, C08F 2600

Patent

active

042218721

ABSTRACT:
A process of removing unsaturation from resins by reaction with diimine. Thermally regenerable ion exchange resins are prepared by the hydrogenation of unsaturated polymers containing unquaternized amino groups with diimine. Procedures for generating the reactive diimine intermediate from precursors such as hydrazine are described.

REFERENCES:
patent: 3297674 (1967-01-01), Breslow et al.
patent: 4031068 (1977-06-01), Cantor

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