Cementitious products and articles of manufacture containing carbon-doped titanium dioxide
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United States of America Patent
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Apr 12, 2016
Grant Date -
Oct 25, 2012
app pub date -
Oct 14, 2010
filing date -
Oct 14, 2009
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Abstract
Herein described are cementitious products and articles of manufacture comprising a carbon-doped titanium dioxide, having long-term photocatalytic activity. The titanium dioxide contained therein may be obtained by irradiating titanium dioxide under specific conditions of wavelength, in presence of a gas flow comprising an inert gas and an organic compound. The titanium dioxide thus treated acquires a high and stable carbon content, maintaining the specific surface area thereof substantially unaltered. The cementitious products/articles of manufacture containing it have a high and efficient photocatalytic action.
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