Interfacial Stability

Interfacial stability refers to the ability of a boundary layer between two different phases (such as liquid-liquid, solid-liquid, or gas-liquid) to maintain its structure and properties over time without significant change or disruption. This concept is crucial in various fields, including material science, colloidal science, and emulsification processes, as it affects phenomena like phase separation, sedimentation, and the behavior of emulsions and foams. The stability at the interface can be influenced by factors such as surface tension, particle interactions, chemical composition, and external conditions like temperature and pressure. Maintaining interfacial stability is important for achieving desired performance in applications like drug delivery, food technology, and coatings.