Wednesday, March 22, 2017

Rare-earths become water-repellent only as they age

Surfaces that have been coated with rare earth oxides develop water-repelling properties only after contact with air. Even at room temperature, chemical reactions begin with hydrocarbons in the air. Researchers report that it is these reactions that are responsible for the hydrophobic effect.

from Geochemistry News -- ScienceDaily http://ift.tt/2msygs0
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