Abstract
A few novel complex polyphosphate derivatives of the general composition (BHPO3)n (where B is pyridine, substituted methylpyridines, quinoline, morpholine, benzimidazole, and imidazole) have been synthesized by precipitation techniques. Viscosity average molecular weight values indicate their polymeric character which is similar to that of Graham's salt and other linear chain polymers. The viscosity average molecular weights of the precipitated polyphosphates have been found to be dependent on the basicities of the heterocyclic amines. The relation between the Mw and Rg values determined by paper chromatography also confirm their polymeric nature. Conductivity measurements at different dilutions indicate their polyelectrolytic behavior analogous to the Fuoss model.
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