Process for forming high surface area embedded coating with high abrasion resistance
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United States of America Patent
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Sep 16, 2014
Grant Date -
Jun 16, 2011
app pub date -
Apr 22, 2010
filing date -
Dec 11, 2009
priority date (Note) -
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Abstract
The process of the present invention significantly increases the durability of superhydrophobic surfaces, while retaining similar optical properties to those of the original surface. The process uses velocity and heat to take freshly formed nano- and ultrafine particles and can partially embed and chemically bond them to the substrate, creating a strongly bonded nano-to-submicron textured surface. This nanotextured surface can then be modified to have desirable surface properties; for example, it can be hydrophobic, oliophobic, or hydrophilic. The high points of the coating made with this process protect the remainder of the surface from abrasion, thus greatly increasing product life in many uses. In preferred embodiments, the process is used to coat transportation vehicle windshields.
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