Anti-Reflective and Anti-Soiling Coatings with Self-Cleaning Properties
First Claim
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1. A coating, comprising:
- a dried gel formed from a sol comprising a hydrolyzed alkoxysilane, a hydrolyzed organosilane, and a hydrolyzed organofluorosilane;
wherein said dried gel comprises anti-reflective, abrasion resistant, and water repellant properties.
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Abstract
The embodiments of the invention are directed to coatings and their uses. More particularly, the embodiments of the invention are directed to coating compositions that include silane-based precursors that are used to form coatings through a sol-gel process. The coatings so formed are characterized by anti-reflective, abrasion resistant, and anti-soiling properties. The coatings also have extended weatherability to heat, humidity, and protection against ambient corrosives. The coatings formed from the compositions described herein have wide application, including, for example, use as coatings on the outer glass of solar cells.
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Citations
20 Claims
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1. A coating, comprising:
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a dried gel formed from a sol comprising a hydrolyzed alkoxysilane, a hydrolyzed organosilane, and a hydrolyzed organofluorosilane; wherein said dried gel comprises anti-reflective, abrasion resistant, and water repellant properties. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19)
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20. A coating, comprising:
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a dried gel formed from a sol comprising a hydrolyzed alkoxysilane, a hydrolyzed organosilane, and a hydrolyzed organofluorosilane; wherein said coating has a contact angle of about 90 degrees to about 178 degrees, a pencil hardness of about 2H to about 9H, and an increased transmission of about 1% to about 3.5% compared to a substrate without said coating.
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Specification