Selective ion exchange resins

Details Selective ion exchange resins Selective ion exchange resins

C - Chemistry, Metallurgy

08

F

402/453, 402/476

C08F 226/06 (2006.01) B01J 39/20 (2006.01) B01J 47/00 (2006.01) C08F 8/20 (2006.01) C08F 8/28 (2006.01) C08F 8/32 (2006.01) C08F 26/06 (2006.01)

Patent

CA 1158397

A B S T R A C T A polymeric ion exchange resin of the cross linked type in which the active groups may he constituted either wholly or in part by an imidazole group which is, in turn, attached directly to a cross- linked, polymerized vinyl backbone. The optional substituents on the imidazole ring include optionally substituted pyridyl, imidazoyl or amino groups which can be of substantially known type. A method of preparation of such resins includes the provision of at least the imidazole ring on the vinyl monomer before polymerization thereof. The active groups may be added or modified after polymerization with a cross linking agent.

372848

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