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Dilatational Properties of Adsorbed Surfactant Interfaces and Their Applications
| Content Provider | Scilit |
|---|---|
| Author | Edwards, D. A. Wasan, Darsh T. |
| Copyright Year | 2017 |
| Description | This chapter undertakes a fundamental research program to investigate the less understood but more significant dilatational properties, such as the dynamic surface/interfacial tension, the dilatational modulus, and the surface dilatational viscosity. The interfacial region contains a large concentration of surfactant molecules such that the viscosity in the region is also large. The adsorption of surfactant at a fluid-fluid interface has long been known to alter equilibrium interfacial properties. Surface dilatational properties are those properties that are necessary to define fully a pure expansion or compression of a fluid surface. The dilatational modulus is a very important measure of dilatational surface stress as it expresses in a certain sense the gradient of dynamic surface tension. It is, of course, the gradient of dynamic surface tension that plays a direct role in the surface stress equations. Identifying the reversible and irreversible contributions to the dynamic surface tension is a difficult and open question. Book Name: Surfactants in Chemical/Process Engineering |
| Related Links | https://api.taylorfrancis.com/content/chapters/edit/download?identifierName=doi&identifierValue=10.1201/9780203737750-1&type=chapterpdf |
| DOI | 10.1201/9780203737750-1 |
| Language | English |
| Publisher | Informa UK Limited |
| Publisher Date | 2017-10-19 |
| Access Restriction | Open |
| Subject Keyword | Book Name: Surfactants in Chemical/process Engineering Pharmacology and Pharmacy Stress Surfactant Fluid Viscosity Interfacial Surface Tension Dynamic Surface Surface Dilatational |
| Content Type | Text |
| Resource Type | Chapter |
