Stability of films with nanoparticles.
Numerous products (such as paints, inks, foods, and beverages) and processes (such as coating, coagulation, sedimentation, lubrication, and paper-making) depend on the stability of the liquid films separating the dispersed phase from the continuous phase in the presence of nanoparticles or surfactant micelles. Nanoparticles exhibit a tendency to form ordered layers (i.e., stratification) and particle in-layer structures in these thin films at a sufficiently high concentration, resulting in a structural force that stabilizes the dispersion. The dispersion stability depends on the film size and the nanoparticle concentration.
Department of Chemical and Environmental Engineering, Illinois Institute of Technology, Chicago, IL 60616, USA.
Gopi
G
Sethumadhavan
Alex
A
Nikolov
Darsh
D
Wasan