Interaction and Adsorption of Hydrophobically Modified Polyacrylamide on Silica and Asphaltene Surfaces

Figure 3

Typical force-distance profiles of the HMPAM-coated silica probe on surfaces in 100 mM KCl solution: (a) silica, (b) asphaltene, and (c) summary of the adhesion.

(a)

(b)

(c)