Abstract
Multi‐component complexes of varying composition have been prepared from poly acrylic acid, polyelectrolyte and non‐ionic polymer in a water‐methanol mixture. The stability constant and related thermodynamic parameters of these complexes in a solvent mixture of water‐CH3OH were determined at several temperatures. The entropy (ΔS 0) and enthalpy (ΔH 0) changes of the systems with temperature have been interpreted in terms of destabilization of the various interacting forces involved in complex formation. Some of the observations have been attributed to the change in the degree of solvation of the component polymers, reduced hydrophobic interactions and dielectric constant of the medium.
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