Coating Film and Coating Film Formation Method
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United States of America Patent
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Issued Date -
Dec 27, 2012
app pub date -
Jun 22, 2012
filing date -
Jun 24, 2011
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Abandoned
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Abstract
A coating film comprises a binder component containing an organosilicon compound; and aggregated particles of silica based fine particles, the aggregated particles are dispersed in the binder component. The aggregated particles are protruded from a surface of the coating film to thereby form convex portions. When a shape of each of the convex portions is assumed to be a shape of a semiellipse spherical body including a long radius “a”, a short radius “b” and a protrusion height “c”, the convex portions include enlarged convex portions each of which satisfies the following relation: ⅔πabc≧1.0×10−12. A number of the enlarged convex portions is 200 or less per 1 mm2 of the surface of the coating film.
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