Dynamic color-changeable two-dimensional code anti-counterfeit label
A technology of anti-counterfeiting labels and two-dimensional codes, which is applied in the field of dynamically variable color two-dimensional code anti-counterfeiting labels, can solve the problems of not having diversified anti-counterfeiting marks, single anti-counterfeiting function, and single anti-counterfeiting method, and achieves low cost, easy operation, The effect of simple label structure
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[0032] see Figure 1-4, a dynamic color changeable two-dimensional code anti-counterfeiting label, including a label body 1 and a protective frame 2 sleeved on the outside of the label body 1, the protective frame 2 includes a left frame 3 and a right frame 4, and the inside of the left frame 3 and the right frame 4 There are grooves on the walls, the label body 1 is clamped inside the grooves on the left frame 3 and the right frame 4, and the interface between the left frame 3 and the right frame 4 is provided with a clamping structure, and the label body 1 includes from top to bottom The transparent protective layer 8, thermochromic layer 7, anti-counterfeiting information layer 6, base material layer 5, adhesive glue layer 9 and release layer 10 arranged in sequence below, the anti-counterfeiting information layer 6 is bonded on the base material layer 5 is the upper surface , the thermochromic layer 7 is bonded on the upper surface of the anti-counterfeiting information la...
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