ON THE CONTACT-ANGLES OF SMALL DROPLETS,
Abstract
According to the theory of incomplete wetting, when a liquid is brought into contact with a solid surface, there are produced, after the break-up of a liquid film which becomes unstable within a certain interval of thickness, droplets which have a certain finite contact-angle and a thin stable film of liquid which may exceed monomolecular dimensions. It is assumed that the magnitude of the contact-angle for any given solid surface and liquid does not depend on the size of the droplet. The contact-angles of droplets are studied where dimensions approach the distance at which molecular forces are probably operative. Droplets of titanium oxychloride and oil on asbestos fibers were photographed in an electron microscope.
Document Details
- Document Type
- Technical Report
- Publication Date
- Aug 14, 1950
- Accession Number
- AD0610894
Entities
People
- I. Petryanov
- N. Rozenblyum