DEVELOPMENT OF LIGHTWEIGHT CLAY HAVING COLOR TO BE CHANGED WHEN BEING EXPOSED TO SUNLIGHT INDOORS USING PHOTOCHROMIC DYE

摘要

Lightweight clay in the present invention uses a D-shine photochromic dye for microspheres, thereby having characteristics of having a color to be changed when being exposed to sunlight, and returning to the original color when entering indoors, while maintaining properties of conventional lightweight clay. The D-shine photochromic dye is a dye having a color to be changed by ultraviolet ray of sunlight or an electrical UV generator. There are four colors of red, yellow, blue, and violet, and it is possible to choose colors. When various kinds of shaped articles are exposed to an ultraviolet ray, the colors of the shaped articles are change to arouse interest, thereby having excellent effect of developing creativity.;COPYRIGHT KIPO 2016