Method for producing oxide particles with controlled color characteristics, oxide particles, and coating or film-like composition comprising the same
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United States of America Patent
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Sep 3, 2019
Grant Date -
Jun 21, 2018
app pub date -
Feb 2, 2017
filing date -
Feb 2, 2016
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Abstract
An object of the present invention is to provide a method for producing oxide particles with controlled color characteristics and to provide oxide particles with controlled color characteristics. The present invention provides a method for producing oxide particles, comprising controlling color characteristics of the oxide particles by controlling the ratio of M-OH bonds, the binding of one or more different elements (M) other than oxygen or hydrogen with hydroxyl group (OH), in oxide particles selected from metal oxide particles and metalloid oxide particles. According to the present invention, oxide particles having controlled color characteristics of any one of reflectance, transmittance, molar absorption coefficient, hue, or color saturation can be provided by controlling the percentage of the M-OH bonds contained in metal oxide particles or metalloid oxide particles.
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