After every inquiry, According to Qixinbao, Tongli Printing (832064), the innovative layer company of New Third Board, added patent information. The patentee is Tongli Printing, and the inventors are Huang Qinghua and Pang Fuming. The patent authorization date is December 5, 2023, the patent name is "a kind of anti bleaching packaging box based on UV printing", the patent type is a Chinese utility model patent, and the patent application number is CN202321618685.7.

The abstract of the patent shows that the utility model discloses an anti bleaching packaging box based on UV printing in the field of anti bleaching printing technology, which aims to solve the problem of fast decolorization rate of printing coating on printed products in the prior art. The utility model comprises a box plate for forming a packing box body, and the outer surface of the box plate is respectively provided with a first antioxidant layer, a printing layer and a second antioxidant layer from the inside out; The utility model is used to solve the problems such as fast fading of printed matter in the prior art. By laying the first antioxidant layer on the outer surface of the packaging box before printing, the first antioxidant layer can smooth the roughness of the outer surface of the packaging box, and reduce the oxidation from the inner side of the packaging box while reducing the ink consumption of the printing layer, At the same time, combined with the effect of the second antioxidant layer on the outer surface of the printing layer, it can effectively extend the fidelity time of the printing ink, and has a positive role in maintaining the beauty of the printing surface.

(Reporter Zeng Jianhui)