Flexible packaging bag with traceability and anti-counterfeiting functions and preparation method thereof
A flexible packaging bag and functional technology, which is applied in the field of anti-counterfeiting packaging labels and labels, can solve the problems of inability to trace the source, low anti-counterfeiting strength, and easy to be imitated, etc., and achieve the effects of convenient traceability, improved anti-counterfeiting strength, and simple structure
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Embodiment 1
[0048] Such as figure 1 , image 3 , Figure 4As shown, the flexible packaging bag with traceability and anti-counterfeiting functions described in the present invention includes a bag body formed by connecting the front PET layer and the back PET layer. A printing layer 2, a white ink layer 3, a partial white ink layer 4, a two-dimensional code II 5, a cured adhesive layer 6 and a PE heat-sealing film layer 7 are provided, and the printing layer 2 is provided with a two-dimensional code I11 and a two-dimensional code I11 One of the black two-dimensional codes or colored two-dimensional codes or two-dimensional codes composed of multi-color blocks is used. The position of the partial white ink layer 4 corresponds to the two-dimensional code I11, and the position of the two-dimensional code II5 corresponds to the local white ink layer 4. Correspondingly, the QR code II5 uses a black QR code.
[0049] The preparation method of the flexible packaging bag with traceability and ...
Embodiment 2
[0060] Such as figure 1 , image 3 , Figure 4 As shown, the flexible packaging bag with traceability and anti-counterfeiting functions described in the present invention includes a bag body formed by connecting the front PET layer and the back PET layer. A printing layer 2, a white ink layer 3, a partial white ink layer 4, a two-dimensional code II 5, a cured adhesive layer 6 and a PE heat-sealing film layer 7 are provided, and the printing layer 2 is provided with a two-dimensional code I11 and a two-dimensional code I11 One of the black two-dimensional codes or colored two-dimensional codes or two-dimensional codes composed of multi-color blocks is used. The position of the partial white ink layer 4 corresponds to the two-dimensional code I11, and the position of the two-dimensional code II5 corresponds to the local white ink layer 4. Correspondingly, the two-dimensional code II5 adopts a colored two-dimensional code or a two-dimensional code composed of multi-color block...
Embodiment 3
[0073] Such as Figure 2-Figure 4 As shown, the flexible packaging bag with traceability and anti-counterfeiting functions described in the present invention includes a bag body formed by connecting the front PET layer and the back PET layer, and the bottom of the PET layer 1 on the back of the bag body is sequentially provided with a printing layer 2 and a partial white ink layer. Ⅰ8, cured adhesive layer Ⅰ9, PET layer 10 with aluminized layer, partial white ink layer 4, two-dimensional code II5, cured adhesive layer 6 and PE heat-sealing film layer 7, and the printed layer 2 is provided with a two-dimensional code Ⅰ11, two-dimensional code I11 adopts one of black two-dimensional code or color two-dimensional code or two-dimensional code combined with multi-color blocks. Two-dimensional code I11 corresponds to the position of partial white ink layer I8, and the position of two-dimensional code II5 Corresponding to the partial white ink layer 4, the two-dimensional code II 5 a...
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