Patent ID: 10710158

Abstract:
A slurry for making a food packaging substance includes ethylene glycol, DI water, and W18O49-based tungsten oxide particles having an average particle size of less than 100 nm. Based on 100 wt. % of the slurry, the W18O49-based tungsten oxide particles contain an amount of 18 wt. % to 28 wt. %. A method of preparing a slurry for making a food packaging substance is disclosed. This method includes a food packaging substance that includes the slurry. A food packaging substance is disclosed. A method for making the food packaging substance and a food packaging structure that includes the food packaging substance are also disclosed. A nano-size particle optical effect endothermic-technical usage performed in the W18O49-based tungsten oxide particles and the new application in the optical technical field thereof are further disclosed.