Color-changing luggage film sheet, preparation method and application thereof

The invention discloses a color-changing luggage film sheet, which comprises a base material and a color-changing ink printed on the base material. The color-changing ink comprises the following components by weight: 3-8 parts of a color-changing pigment; 10-20 parts of polyurethane; 50-70 parts of polycarbonate; 15-25 parts of a solvent. According to the color-changing luggage film sheet, the color-changing ink is printed on the base material, a paint spraying procedure is not needed, the color is uniform, and when temperature or light changes are sensed, color changing can be achieved. The invention further discloses a preparation method of the color-changing luggage film sheet, and the process is simple and convenient. The invention also discloses a color-changing luggage, which is formed by blister molding of a panel compounded with the color-changing film sheet, and is sensitive in color changing, uniform in color, attractive and elegant. The invention further discloses a preparation method of the color-