Selective imidazole ion exchange resins

Details Selective imidazole ion exchange resins Selective imidazole ion exchange resins

1981-03-10

1983-08-30

Schofer, Joseph L.

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Group ib metal

423139, 521 38, 526258, 526262, 526263, B01J 3920, C08F22606

Patent

active

044016298

ABSTRACT:
A polymeric ion exchange resin of the cross-linked type in which the active groups may be 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, imidazolyl or amino groups which can be 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.

REFERENCES:
patent: 3488294 (1970-01-01), Annand et al.
patent: 3772259 (1973-11-01), Williams et al.
patent: 3826787 (1974-07-01), Cakozza
patent: 4104227 (1978-08-01), Boessler et al.
patent: 4109072 (1978-08-01), Panzer et al.
patent: 4202944 (1981-05-01), Hancock
patent: 4254087 (1981-03-01), Grinstead
C. Abstracts, vol. 96, entry 218611d, B. M. Toskorin et al.

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