Abstract
Investigations were made to evaluate the mechanisms and forces of liquid bonding to surfaces compared to the physical/chemical removal energies potentially available from impinging jets and sprays. Liquids covering a broad range of liquid-surface energy interactions were applied in measured quantities to polymer paint surfaces using droplet-dispensing techniques developed during the program. These were then subjected to sprays/jets under operating conditions selected to allow predictions of cleaning efficiencies and, hence, design requirements for effective spray/jet decontamination. The solubility parameter of the liquid, relative to that of the polymer surface, was shown to be a major factor affecting liquid removal from the surface by sprays.
Get full access to this article
View all access options for this article.