Synthetic resins. XVIII. Chelation ion exchange properties of 2,4‐dinitrophenylhydrazone of 4‐hydroxy acetophenone–formaldehyde resins

D. K. Rath; S. Lenka; P. L. Nayak

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Synthetic resins. XVIII. Chelation ion exchange properties of 2,4‐dinitrophenylhydrazone of 4‐hydroxy acetophenone–formaldehyde resins

机译：Synthetic resins. XVIII. Chelation ion exchange properties of 2,4‐dinitrophenylhydrazone of 4‐hydroxy acetophenone–formaldehyde resins

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AbstractA large number of copolymers were synthesized by condensing 2,4‐dinitrophenyl hydrazone of 4‐hydroxy acetophenone (4HA 2,4 DNPH) with substituted benzoic acids/phenols and formaldehyde in the presence of NaOH or HCl as catalyst. The resins were characterized by IR spectra. The decomposition temperature, solubility parameter, and viscositv of the polymers have been determined. The ion‐exchange properties have been studied using the batch equilibrium method. The measurement of the distribution of a given metal ion between an aqueous solution and the resins has been performed. The investigation was carried out over a wide range of pH and varying the ionic strength of the medium. © 1992 John WileySon

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《journal of applied polymer science》 |1992年第12期|2109-2114|共页
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D. K. Rath; S. Lenka; P. L. Nayak;
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Synthetic resins. XVIII. Chelation ion exchange properties of 2,4‐dinitrophenylhydrazone of 4‐hydroxy acetophenone–formaldehyde resins

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