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Analytical expressions, based on a mean-field model and derived in a previous paper (part I: Klein, J.; Pincus, P. A. Macromolecules 1982,15,1129), for the interaction between two parallel plates bearing adsorbed polymer in poor-solvent medium, are solved numerically to yield (a) segmental density profiles of the adsorbed polymer and (b) interaction-energy vs. plate-separation profiles. All parameters appearing in these calcuiations are obtainable from bulk data such as the polymer-solvent phase diagram and adsorbance measurements. The calculated results are critically compared with model experiments on forces between smooth mica surfaces bearing polystyrene in cyclohexane in poor-solvent conditions: the agreement is qualitatively very good and quantitatively fair. Some improvements to the model are suggested.

Interactions between surfaces with adsorbed polymers: poor solvent. 2. Calculations and comparison with experiment