Method for photocatalytic activation of structural component surfaces
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United States of America Patent
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Issued Date -
Sep 30, 2010
app pub date -
Mar 17, 2010
filing date -
Mar 24, 2009
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Abandoned
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Abstract
A method for photocatalytic activation of at least one surface of a structural component having a porous mineral binder matrix, which is produced from an aqueous mixture of at least one mineral, inorganic binder, and generally at least one aggregate, additive and/or admixture, applies water to the surface of the structural component to be photocatalytically activated, until a film of water forms, immediately afterward applies dry fine-particle binder meal particles and fine-particle photocatalytically active particles in meal form to the water film, reacts the binder meal particles with water of the water film, and allows the water film disappear. The binder meal particles harden to form binder stone having a hydrate crystal matrix so that the photocatalytically active particles are bound into the binder stone, with surfaces remaining free, and the hydrate crystal matrix of the binder stone firmly combines with the surface matrix of the structural component.
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