Non-stick surface without chemicals

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Researchers have designed a self-cleaning surface inspired by water-repelling hairs of spiders and other organisms. Microscopic fibers of varying lengths enable water droplets to maintain a perfectly spherical shape, rolling away without dragging on the surface. Structural variations may also repel oil. The design is structural, so chemicals are not necessary as in other stick-free coatings. The self-cleaning design may have applications for a variety of industries, from food packaging to self-cleaning solar cells.

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References

Journal article
Artificial Hairy Surfaces with a Nearly Perfect Hydrophobic ResponseLangmuir, 26(3): 1504-1506February 2, 2010
Hsu S-H, Sigmund WM

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