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US 2010/0136228 A1Published application
Antiglare coatings and articles
Assignee3M Innovative Properties Company
InventorsPaul J. Richter, Darran R. Cairns, Frank J. Bottari
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Abstract
The present invention relates to articles comprising an antiglare layer, coating compositions suitable for making antiglare layers, methods of making an antiglare article, and methods of making antiglare coating compositions. In some embodiments the article is a (e.g. illuminated) display article such as a touch screen. The antiglare layer comprises aggregate inorganic oxide particles in a cured inorganic polymer matrix.
Claims19
A method of making an antiglare article comprising:
- providing a transparent substrate;
- coating the substrate with the coating composition comprising an organosilane, colloidal silica particles having a mean particle size ranging from 0.05 micrometers to 0.15 micrometers, and flocculated silica particles ranging in size from greater than 2 micrometers to 100 micrometers;
- and
- heating the coating composition.
1 more element
A method of making an antiglare coating composition comprising
- providing an inorganic polymer precursor and colloidal inorganic oxide particles having a mean particle size ranging from 0.05 micrometers to 0.15 micrometers;
- and
- forming an inorganic polymer solution concurrently with flocculating colloidal inorganic oxide aggregates ranging in size from greater than 2 micrometers to 100 micrometers.
Dependencies are inferred from the claim text.