US Patent 11359137 Microencapsulated thermochromic materials and uses thereof
Patent 11359137 was granted and assigned to University of South Florida on June, 2022 by the United States Patent and Trademark Office.
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US Patent 11359137 Microencapsulated thermochromic materials and uses thereof
A variety of particles forming microencapsulated thermochromic materials are provided. The particles can include a thermochromic core and a metal oxide shell encapsulating the thermochromic core. The thermochromic core can include one or both of an organic thermochromic material and an inorganic salt thermochromic material. In some aspects, the particles include a dye selected from a crystal violet lactone dye, a fluoran dye, and a combination thereof. In still further aspects, the particles include a color developer selected from a hydroxybenzoate, a 4, 4′-dihydroxydiphenyl propane, a hydroxycoumarin derivative, a lauryl gallate, and a combination thereof. In some aspects, the metal oxide shell is a TiO
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