Composite material of inorganic nonmetallic mineral loaded with titania layer, preparation process and use thereof
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United States of America Patent
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May 20, 2014
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Feb 28, 2013
app pub date -
Aug 31, 2011
filing date -
Aug 31, 2011
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Abstract
The invention discloses composite materials, comprising an inorganic nonmetallic mineral as a support and a nanotitania layer loaded on the support, wherein the layer is comprised of a plurality of titania nanospheres, and the titania nanosphere is comprised of a plurality of nanotitania single particles. The invention also discloses composite materials further comprising one or more functional layers loaded on the nanotitania layer. The above composite materials may not only take advantage of the high refractive index and the high covering power of the nanotitania layer, but also make use of the good photocatalytic activity of the small single nanoparticles. Furthermore, the composite materials can be more readily coated by other functional layer(s) to prepare functionally strengthened or multi-functional composite materials. The invention also discloses methods for preparing the composite materials. The composite materials may be used as an additive with good compatibility in various industrial fields.
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