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

Figure 4

Changes of (a) frequency and (b) dissipation obtained by QCM-D associated with adding 20 mg/L HMPAM in 100 mM KCl solution on silica and asphaltene sensors. (-start injection).

(a)

(b)