Anti-counterfeit aluminum foil sealing gasket and preparation method thereof
A technology of sealing and aluminum foil, which is applied in the field of anti-counterfeiting aluminum foil sealing gasket and its preparation, can solve the problems of not having anti-counterfeiting function, achieve the effect of non-transferability, increase anti-counterfeiting function, and improve environmental protection function
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Embodiment 1
[0047] 10000 products.
[0048] (1) Coating the release imaging layer: use double-sided corona-free PET with a thickness of 16 μm as the base material, and use a coating machine to coat the BH-1001C coating produced by Shanghai Weikai Chemical Co., Ltd. on it, and the coating viscosity is 19s , dry coating amount 1.1g / ㎡. The coating temperature was 90°C. The vehicle speed is 70 m / min. The 90-degree peel strength (flexibility to flexibility) between the release layer and the PET layer was 0.003 N / mm.
[0049] (2) Design: design plate-making according to customer needs and product specifications and models, and the anti-counterfeiting means of plate-making is miniature. The distance between positioning cursors is 260mm. The pH value is 3.4 and the density is 28g / cm 3 The electroforming solution was used to produce nickel plates with a thickness of 40 μm.
[0050](3) Embossed gravure: Use soft pressing to mold the holographic text, the molding temperature is 170°C, and the ...
Embodiment 2
[0062] 100000 products.
[0063] (1) Coating the release imaging layer: use double-sided corona-free PET with a thickness of 25 μm as the substrate, and use a coating machine to coat the BH-1001C coating produced by Shanghai Weikai Chemical Co., Ltd. on it, and the coating viscosity is 20s , dry coating amount 1.2g / m 2 . The coating temperature was 150°C. The vehicle speed is 85 m / min. The 90-degree peel strength (flexible to flexible) between the release layer and the PET layer was 0.005 N / mm.
[0064] (2) Design: design plate-making according to customer needs and product specifications and models, and the anti-counterfeiting feature of plate-making is the broken pen technology. The positioning cursor distance is 300mm. The use of PH value is 4, the density is 32g / cm 3 The electroforming solution produced nickel plates with a thickness of 45 μm.
[0065] (3) Embossed gravure: use soft pressing to mold the holographic text, the molding temperature is 150°C, and the pre...
Embodiment 3
[0077] 200,000 products.
[0078] (1) Coating the release imaging layer: use double-sided corona-free PET with a thickness of 30 μm as the base material, and use a coating machine to coat the BH-1001C coating produced by Shanghai Weikai Chemical Co., Ltd. on it, and the coating viscosity is 21s , dry coating amount 1.3g / m 2 . The coating temperature was 170°C. The vehicle speed is 100 m / min. The 90-degree peel strength (flexible to flexible) between the release layer and the PET layer was 0.006 N / mm.
[0079] (2) Design: Design plate-making according to customer needs and product specifications and models. The anti-counterfeiting feature of plate-making is random coin pattern, and the distance between positioning cursors is 270mm. The pH value is 4.5 and the density is 31g / cm 3 The electroforming solution produced nickel plates with a thickness of 50 μm.
[0080] (3) Embossed gravure: Use soft pressing to mold the holographic text, the molding temperature is 190°C, and t...
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