Apatite-containing film having photocatalytic activity and a process for producing it
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United States of America Patent
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Aug 2, 2011
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app pub date -
Feb 16, 2010
filing date -
Dec 9, 2003
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Abstract
An apatite-containing film having photocatalytic activity is produced by a process comprising the steps of preparing a liquid mixture comprising a Ca-containing compound and a P-containing compound, subjecting the liquid mixture to reaction to prepare an apatite-precursor composition, applying the apatite-precursor composition to a substrate, and drying the applied apatite-precursor composition. The process may further comprise a heating step after the drying step. The apatite-precursor composition is preferably in the form of a sol.
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