TUNING THE ANTI-REFLECTIVE, ABRASION RESISTANCE, ANTI-SOILING AND SELF-CLEANING PROPERTIES OF TRANSPARENT COATINGS FOR DIFFERENT GLASS SUBSTRATES AND SOLAR CELLS
First Claim
1. A coated glass element, comprising:
- a float glass component; and
a coating adhered to the tin-side of the float glass component through siloxane linkages, the coating having at least one of an anti-reflective property, a high abrasion resistance property, a hydrophobic property and an oleophobic property;
wherein the coating comprises a dried gel formed from at least one hydrolyzed alkoxysilane based sol; and
wherein the coated glass element has greater light transmission than a coated glass element wherein the coating is adhered to the air-side of the float glass component.
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Accused Products
Abstract
Functionalized coatings preferentially coated on the tin-side of float glass used in solar and other applications are disclosed. Coating compositions include silane-based precursors that are used to form coatings through a sol-gel process including hydrolyzed alkoxysilane-based sols. The coatings are characterized by anti-reflective, abrasion resistant, and anti-soiling properties and the tunability of those properties with respect to different applications. The coatings formed from the compositions described herein have wide application, including, for example, use as abrasion resistant coatings on the outer glass of solar modules, wherein the coating adheres through siloxane linkages. In some embodiments, when applied to glass and cured at a temperature of less than 300° C., the dried sol gel has abrasion resistance sufficient to pass standard EN-1096-2 with a loss of transmission of no more than 0.5% and enables a post-test light transmission gain of greater than 1% as compared to uncoated glass.
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Citations
30 Claims
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1. A coated glass element, comprising:
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a float glass component; and a coating adhered to the tin-side of the float glass component through siloxane linkages, the coating having at least one of an anti-reflective property, a high abrasion resistance property, a hydrophobic property and an oleophobic property; wherein the coating comprises a dried gel formed from at least one hydrolyzed alkoxysilane based sol; and wherein the coated glass element has greater light transmission than a coated glass element wherein the coating is adhered to the air-side of the float glass component. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16)
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17. A method of making a coated glass element, by:
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a) identifying the tin-side of a float glass substrate; and b) pre-treating the identified side; and c) applying a coating to the identified side, wherein the coating comprises a dried gel formed from at least one hydrolyzed alkoxysilane based sol; and d) curing the coating using heat, wherein the coating increases the transmission of the glass element by a greater amount compared to performing the method on the air-side of the float glass substrate; and the coating has at least one of an anti-reflective property, a high abrasion resistance property, a hydrophobic property and an oleophobic property. - View Dependent Claims (18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30)
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Specification