Abstract
The four diffusion coefficients for the ternary system polyacrylic acid (mol. weight 5000)-polyacrylic acid (mol. weight 115000)-water have been measured at 25°C and at one average polyelectrolytes concentration. The experimental values of main and cross terms have been briefly discussed. The large cross term D 12 in the system with water as solvent shows that, contrary to intuition, different molecular weight species do interact with each other.
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Sartorio, R., Vitagliano, V., Guarino, G. et al. Diffusion in polyacrylic acid aqueous solutions. J Solution Chem 16, 935–941 (1987). https://doi.org/10.1007/BF00650997
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DOI: https://doi.org/10.1007/BF00650997