Manufacturing method of temperature sensitive cup

摘要

The present invention relates to a method of manufacturing a temperature sensitive cup, in which a color of a design or a pattern formed on a cup by thermochromic pigment changes, and especially comprises: a step of mixing for mixing and stirring the thermochromic pigment in a powder state and a colorless oily pigment in a liquid state; a step of mixing for mixing the mixed and stirred agitated product, a colored pigment, a solvent and a retarding agent; and a step of finishing for forming a pattern by applying the mixture mixed in the mixing step to an outer surface of the cup through which the temperature is transferred by contents to be filled therein.