LIQUID DISPERSION OF FLUORIDE PARTICLES, COMPOSITION FOR FORMING OPTICAL FILM, AND OPTICAL FILM
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United States of America Patent
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Aug 22, 2024
app pub date -
Mar 28, 2022
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May 26, 2021
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Abstract
Provided are a liquid dispersion of fluoride particles having a refractive index lower than that of, for example, magnesium fluoride, the liquid dispersion being excellent in dispersibility and suitable for production of an optical film such as an antireflection film; a composition for forming an optical film; and an optical film. A liquid dispersion of fluoride particles according to the present invention contains: fluoride particles; an anionic surfactant as a dispersant for the fluoride particles; and an organic solvent, wherein the fluoride particles contain at least aluminum, an alkali metal, and an alkaline earth metal as an optional element in a composition of the fluoride particles, and the fluoride particles are dispersed in the organic solvent.
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