Preparation of anion exchange resins by bromination of vinyl aro

Details Preparation of anion exchange resins by bromination of vinyl aro Preparation of anion exchange resins by bromination of vinyl aro

1980-08-18

1982-04-27

Hamrock, William F.

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

Synthetic resins

Ion-exchange polymer or process of preparing

521 32, 521 28, B01J 4100, C08F 820

Patent

active

043271910

ABSTRACT:
Process for preparing anion exchange resins comprising polymerizing a vinyl aromatic compound having at least one alkyl group containing about 1 to 3 carbon atoms, alone or mixed with a copolymerizable monomer, optionally in the presence of a mineral support, followed by brominating the alkyl groups of the resulting polymer by means of an N-bromoamide or an N-bromoimide, and then aminating the brominated product obtained. The resulting anion exchange resins are useful in the chemical, pharamaceutical, food, and metallurgical industries.

REFERENCES:
patent: T888007 (1971-07-01), Tuites
patent: 3337479 (1967-08-01), Small
patent: 4246354 (1981-01-01), Herbin et al.
Italian article, "Bromurazione del polistirolo tridimensionale", by G. Maura et al., in 46 Nuova Chim. pp. 36-39 (1970).

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