Research Article
Interaction and Adsorption of Hydrophobically Modified Polyacrylamide on Silica and Asphaltene Surfaces
Table 2
Contact angles of three model liquids on different surfaces.
| Different surfaces | Contact angle (°) | Diiodomethane | Glycerol | Water |
| Asphaltene | 55.6 | 57.9 | 82 | Silica | 28.5 | 27.5 | 36.7 | HMPAM on asphaltene | 34.5 | 29.2 | 34.3 | HMPAM on silica | 31.3 | 15.7 | 22 |
|
|