Process for preparing anion exchange resins by amination of halo

Details Process for preparing anion exchange resins by amination of halo Process for preparing anion exchange resins by amination of halo

1984-05-23

1986-04-29

Schofer, Joseph L.

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

Synthetic resins

Ion-exchange polymer or process of preparing

525379, L08D 520

Patent

active

045858004

ABSTRACT:
Anion exchange resins having improved anion capacity are prepared using an improved process whereby the reaction medium can be re-employed. The process comprises contacting a haloalkylated copolymer particle with a compound capable of displacing the halogen of the haloalkyl functionality (e.g., dimethylamine) in a reaction medium (e.g., water). Optionally, an ionizable electrolyte is incorporated into the reaction medium. After preparation of anion exchange resins, the reaction medium containing ionizable electrolyte is re-employed in preparing anion exchange resins.

REFERENCES:
patent: 4207398 (1980-06-01), Riener
patent: 4321331 (1982-03-01), Widiger, Jr. et al.
patent: 4399235 (1983-08-01), Raley, Jr. et al.

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