Process for the preparation of bifunctional anion exchange resin

Details Process for the preparation of bifunctional anion exchange resin Process for the preparation of bifunctional anion exchange resin

1989-06-30

1991-01-29

Schofer, Joseph L.

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

Synthetic resins

Ion-exchange polymer or process of preparing

5253336, C08F 830, C08F 1208

Patent

active

049887386

ABSTRACT:
A process for the preparation of a bifunctional anion exchange resin by partial quaternization of a weakly basic anion exchanger containing tertiary amino groups which process comprises (a) partially loading the weakly basic anion exchanger with a strong acid and (b) quaternizing the partially loaded anion exchanger by means of a customary alkylating agent.

REFERENCES:
patent: 4177140 (1979-12-01), Smakman

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