Abstract
AbstractPoly(4‐chlorosalicylic acid‐formaldehyde) was prepared by condensing 4‐chlorosalicylic acid with formaldehyde in presence of various acidic catalysts using different molar proportions of the two reactants. The polymer samples were characterized by IR spectra, their Mn determined by vapour pressure osmometry and also by nonaqueous titration and by TGA. Viscosity measurements of selected polymer samples in DMF and 1,4‐dioxane showed that solutions exhibited polyelectrolyte behaviour. Intrinsic viscosities of all the polymer samples were measured in 80:20 (v/v) DMF/water containing 1% (w/v) KBr, a medium in which these polymers exhibited normal behaviour.Polymeric metal chelates of Cu2+, Fe3+, Co2+, Mn2+, Zn2+, and UO with the polymer were prepared and characterized. Chelation and ion‐exchanging properties of the polymers were also studied by employing the batch equilibration method.
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