Abstract
Strong adhesion of dust particles results when water soluble components in dust particles are first solubilized, and then recrystallized, after a successive rise and fall of the relative humidity. The recrystallized salt greatly increases the contact area with the substrate, thereby increasing the adhesion. We have investigated the use of thin film lubricants and surfactants to avoid strong adhesion after the humidity cycle. We found that, while some surfactants can prevent the strong attachment of particles by causing secondary nucleation in some precipitating salts, the most effective means of preventing strong adhesion is to use a thin film lubricant that cannot be displaced from the substrate by a forming water droplet. We analyze the requirements for a successful system in terms of the polar and dispersion components of surface energy.
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© 1988 Plenum Press, New York
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Nosker, R.W., Williams, R. (1988). Prevention of Strong Adhesion of Dust Particles. In: Mittal, K.L. (eds) Particles on Surfaces 1. Springer, Boston, MA. https://doi.org/10.1007/978-1-4615-9531-1_16
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DOI: https://doi.org/10.1007/978-1-4615-9531-1_16
Publisher Name: Springer, Boston, MA
Print ISBN: 978-1-4615-9533-5
Online ISBN: 978-1-4615-9531-1
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