Substrates with a self-cleaning surface, a process for their production and their use
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United States of America Patent
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-
Oct 5, 2004
Grant Date -
Oct 3, 2002
app pub date -
Dec 12, 2001
filing date -
Dec 21, 2000
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A substrate of glass, ceramic, plastic and metal, or a glazed or enamelled substrate, with a self-cleaning and/or hydrophobic surface. The substrate having disposed thereon a coating that includes a plurality of particles affixed to the surface of the substrate by a binder. The particles are preferably of nanoscale size and extend outwardly from a surface of the coating to form a nano-rough surface. The nano-rough surface causes a hydrophobic or water repellent effect. The binder can be formed from an organic or an inorganic material and operates to fix the plurality of particles to substrate surface.
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