Light-resistant brightening PET color master batch

The utility model discloses a light-resistant brightening PET color master batch which comprises a color master batch base layer, the color master batch base layer is sequentially coated with an anti-oxidation layer, a flame-retardant layer, a light-resistant layer, a color enhancing layer, a brightening layer and a fluorescent layer from inside to outside, and the anti-oxidation layer made of polytetrafluoroethylene and an antioxidant has good anti-aging endurance. The flame-retardant layer made of melamine cyanurate has a good flame-retardant effect, the light-resistant layer made of the ultraviolet light absorber can absorb ultraviolet light in sunlight and a fluorescent light source, can strongly absorb the ultraviolet light, and is good in photochemical stability and free of decomposition and discoloration, and the color enhancing layer is good in color performance, heat resistance and dispersity and good in color enhancing effect. According to the present invention, the color brightening ability can be