Non-stoichiometric polyelectrolyte complexes: New, water soluble macromolecular compoundsстатья

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[1] Non-stoichiometric polyelectrolyte complexes: New, water soluble macromolecular compounds / O. A. Kharenko, A. V. Kharenko, R. I. Kalyuzhnaya et al. // Polymer Science U.S.S.R. — 1979. — Vol. 21, no. 12. — P. 3002–3008. Non-stoichiometri cpolyelectrolyte complexes (NSPELC) consisting of completely interacted polyelectrolyte pairs bearing opposite charges are examined. These are soluble in aqueous media, due to the presence of a sufficient number of free, ionized chain units which have not formed salt bonds between the chain, as a property. All the polyelectrolyte pairs are formed in the same way; it consists of mixing the two fully ionized compounds in the necessary proportions in the presence of a low mol. wt. salt. Where one of the components is present in excess and is a weak polyelectrolyte, water soluble NSPELC can be produced by titrating the incomplete reaction product with an acid or alkali until all the main chain units of the part present as excess are completely ionized. The molecular characteristics of the particles of such polyelectrolyte complexes (PELC) have been found to be independent of the synthesis method used. Proof of this is that the complex is present at an equilibrium. © 1980.

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