Abstract
Soluble polymers can produce either of two effects on colloidal dispersions: they can enhance the colloidal stability, or reduce it and promote flocculation (aggregation). Over the years a number of attempts have been made to understand these effects theoretically in terms of a particle-particle pair potential due to the presence of the polymer. A typical approach is to consider two parallel, plane surfaces separated by a slice of polymer solution, and to calculate the free energy F as a function of the separation distance H. Detailed accounts of these calculations can be found in the original literature, and a recent monograph by Napper1 gives a good overview. The aim of this contribution is, therefore, to comment on more recent calculations, trying to elucidate important model assumptions and results.
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© 1987 Martinus Nijhoff Publishers, Dordrecht
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Stuart, M.A.C. (1987). Polymers at Interfaces: Adsorption and Disjoining Pressure Theories. In: El-Aasser, M.S., Fitch, R.M. (eds) Future Directions in Polymer Colloids. NATO ASI Series, vol 138. Springer, Dordrecht. https://doi.org/10.1007/978-94-009-3685-0_14
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DOI: https://doi.org/10.1007/978-94-009-3685-0_14
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