Coating composition and coated body
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United States of America Patent
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Apr 26, 2016
Grant Date -
Aug 27, 2015
app pub date -
Feb 23, 2015
filing date -
Feb 24, 2014
priority date (Note) -
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Abstract
There is provided a coating composition that can form a coating film excellent in both weather fastness and hydrophilifiability. The coating composition includes: a Si-containing resin; photocatalyst particles; and an aqueous medium, the Si-containing resin and the photocatalyst particles being dispersed in the aqueous medium, wherein the Si-containing resin includes a polysiloxane segment, preferably exhibits at least one spectral peak at a position of 120° C. or more to 180° C. or less in a curve of loss tangent (tan δ) against temperature as measured at a frequency of 1 Hz with a solid viscoelasticity measuring apparatus based on JIS K 7244-4, and has a particle diameter that is not more than 1/15 of the particle diameter of the photocatalyst particles.
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