ALUMINUM-OXIDE-BASED-COMPOSITION-CONTAINING ZIRCONIUM NITRIDE POWDER AND METHOD FOR PRODUCING SAME
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United States of America Patent
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Oct 17, 2024
app pub date -
Aug 26, 2022
filing date -
Aug 26, 2022
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Abstract
This aluminum-oxide-based-composition-containing zirconium nitride powder contains particles each of which is mainly composed of zirconium nitride and has a surface to which an aluminum oxide-based composition partially adheres, in which the aluminum-oxide-based-composition-containing zirconium nitride powder contains aluminum in a proportion of greater than 1% by mass and 15% by mass or less in terms of a total content of 100% by mass, and has a specific surface area of 30 m2/g to 90 m2/g measured by a BET method. This powder has relatively high light shielding properties in a near infrared region with a wavelength of 1,000 nm, has excellent patterning and visible light shielding properties, and has favorable moisture resistance, when the powder is used to form a black patterned film as a black pigment.
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