Syntheses of new types of chelating resins and their adsorption

Details Syntheses of new types of chelating resins and their adsorption Syntheses of new types of chelating resins and their adsorption

1995-01-30

1996-12-31

Seidleck, James J.

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

525 55, 525 63, 525 66, 525 72, 423 24, C08G 6391

Patent

active

055895409

ABSTRACT:
Three new types of chelating resins containing nitrogen and sulfur or oxygen atoms as coordination atom were synthesized by the reaction of a polymer bearing amino (--NH.sub.2) or imino (.dbd.NH) groups as reaction sites with a substitutive derivative of epithiopropane or epoxypropane. These resins exhibited excellent adsorption properties for noble metals.

REFERENCES:
Patent"Syntheses of chelate resin of mercapto-amine type by reaction of 2-(chloromethyl) thurane and diamine" Yuwu et al. 1987.
Journal "Syntheses and adsorption properties of chelating resins with amino and mercapto groups" Chaocan et al. 1993.
Journal "Study on chelating resins, XIX. Syntheses and adsorption properties of chelating resins based on chitosan." Yunhua et al. 1992.
Journal "Synthesis and adsorption properties of IPN chelating resins containing S and N atoms and their application to the separation of Re and Pt" Yuwu et al 1994.
Journal "Study on chelate resins, V. Synthesis of new chelating resins by the reaction of chloromethylthiirane with polyethylene-polyamine" Yuwu et al 1988.
Patent "Manufacture of amino polythioether chelating agents for noble metal separation" Yuwu et al 1989.

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