The practical, problems of corrosion. Part XIII. The painting of wet steel surfaces

✍ Scribed by Mayne, J. E. O. ;Evans, U. R.

• Book ID: 102328265
• Publisher: Wiley (John Wiley & Sons)
• Year: 1949
• Weight: 472 KB
• Volume: 68
• Category: Article
• ISSN: 0368-4075
• DOI: 10.1002/jctb.5000680706

✦ Synopsis

Abstract

In 1936, Britton and one of the authors,^1^ in a review of the outdoor exposure rests organized from Cambridge, expressed the view that “An invisible film of condensed moisture is prejudicial to nearly all types of paints; therefore painting should not be commenced too early in the day.” In an earlier statement,^2^ reference was made to the danger of “extra moisture entrapped when the painting was early.” On the other hand, certain other experiments had suggested that, when paint was applied to a steel surface carrying large visible drops of water, the water was generally not entrapped below the coat, hut was either expelled or emulsified; indeed, when a deliberate attempt was made to shut in water below paint, it was found difficult to do this, except at re‐entrant angles.

In 1940, fresh experiments were started, designed (I) to compare the behaviour of paint‐coats applied to deliberately wetted surfaces with that of similar coats applied to dry steel, and (2) to ascertain whether any troubles encountered in painting wet steel could be overcome by use of emulsion paints‐‐‐such as were being developed about that time in the laboratory.