Heat-ray shielding composition and method for producing the same
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United States of America Patent
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Mar 24, 2015
Grant Date -
Aug 23, 2012
app pub date -
Oct 28, 2010
filing date -
Oct 29, 2009
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Abstract
Disclosed are a heat-ray shielding composition including an indium tin oxide powder which has a BET specific surface area of 40 m2/g or more and a navy blue or cobalt blue (L=30 or less, a<0, b<0 in the Lab colorimetric system) tone, and preferably a heat-ray shielding composition, wherein the indium tin oxide powder contained in the composition is an indium tin oxide powder which is surface-modified by firing indium tin hydroxide having bright yellow to persimmon (reddish brown or orange-red) tone, or an indium tin oxide powder which is surface-modified by firing indium tin oxide having bright yellow to persimmon (reddish brown or orange-red) tone; and a method for producing the same.
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