Process for the preparation of high density ion exchange resins

Details Process for the preparation of high density ion exchange resins Process for the preparation of high density ion exchange resins

1979-11-26

1983-04-26

Hamrock, William F.

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

Synthetic resins

Ion-exchange polymer or process of preparing

525356, C08F 820, B01J 4108

Patent

active

043813500

ABSTRACT:
A process for obtaining a dense ion-exchange anionic resin and the product so obtained. The resin is of the type based on a co-polymer of styrene and divinylbenzene. The process involves a liquid phase treatment comprising contacting the resin with bromide in a liquid phase and simultaneously charging the liquid phase with gaseous chlorine while in contact with the resin for reaction to provide a styrene divinylbenzene copolymer ion-exchange anionic resin containing bromine and chlorine groups.

REFERENCES:
patent: 2801223 (1957-07-01), Greer
patent: 3009906 (1961-11-01), Eichhorn et al.
Derwent Pubs. Ltd., Permutit Ltd., 26218B/14, 29/03/1979.

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