Process for the chloromethylation of polymers for the...

C - Chemistry – Metallurgy – 08 – F

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402/366, 402/453

C08F 8/24 (2006.01) C08F 8/32 (2006.01)

Patent

CA 1147897

ABSTRACT OF THE DISCLOSURE Improved process for the chloromethylation of cross- linked vinyl aromatic polymers and copolymers wherein a chlorine generator is incorporated into the reactants and a metallic chloride replaces part or all of the sulfuric acid used in forming the chloromethylating complex. The chloromethylated polymer may be further functionalized to produce an ion-exchange resin.

319996

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