Hybrid ion exchange resins with improved properties

Details Hybrid ion exchange resins with improved properties Hybrid ion exchange resins with improved properties

1977-12-02

1979-01-23

Schofer, Joseph L.

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

Synthetic resins

Ion-exchange polymer or process of preparing

526 524, C08F 832, B01J 108

Patent

active

041360672

ABSTRACT:
Chloromethylated hybrid copolymers are base-functionalized with polyethyleneimines prior to conventional acid functionalization, to produce hybrid resins with markedly improved ion exchange properties.

REFERENCES:
patent: 2591574 (1952-04-01), McByriney
patent: 3637535 (1972-01-01), Corte et al.
patent: 3991017 (1976-11-01), Barrett et al.

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