Security paper and manufacturing method thereof
A manufacturing method and technology of anti-counterfeiting paper, which are applied in the directions of papermaking, papermaking, textiles and papermaking, etc., can solve the problems of falling off of anti-counterfeiting fibers, easy exposure of anti-counterfeiting fibers, unable to solve the problems of hooking and entanglement of curved fibers, and reducing the risk of falling off. effect of possibility
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Embodiment 1
[0044] In this embodiment, during the copying step, a square plastic sheet with a side length of 0.3 mm and a thickness of 0.01 mm (the plastic sheet has a pearlescent anti-counterfeiting feature), the plastic sheet is dispersed at a concentration of 0.001% by mass, and an appropriate amount of cotton fiber, poly Aryl ether (PAE) and dispersant are dispersed with water to form a uniform dispersion. The plastic sheet dispersion is sent to the surface of the moving Fourdrinier 7 through the flow pipe 5 and the release port 8 at a flow rate of 600ml / min. Simultaneously adopt vacuum suction device 13 to carry out vacuum suction at the other side corresponding position of fourdrinier net 7, make the anti-counterfeit material dispersion dehydration that is main body be attached on fourdrinier net 7 surface, form the width that contains anti-counterfeit material and be 15 millimeters The belt-shaped first wet paper sheet 9, when the fourdrinier wire 7 of the belt-shaped first wet pape...
Embodiment 2
[0046] In this embodiment, during the copying process, a circular plastic sheet with a diameter of 3.0 mm and a thickness of 0.02 mm is dispersed at a concentration of 0.1% by mass, and an appropriate amount of wood pulp fiber, polyarylether (PAE), and dispersant are added. After dispersing with water, a uniform dispersion is formed, and the plastic flake dispersion is sent to the surface of the moving fourdrinier 7 through the flow pipeline 5 through the discharge port 8 at a flow rate of 400ml / min. Use vacuum suction device 13 to carry out vacuum suction at the corresponding position on the side, so that the anti-counterfeiting material dispersion mainly composed of water is dehydrated and adhered to the surface of Fourdrinier 7 to form a strip-shaped first wet paper page 9 with a width of 18 mm containing anti-counterfeiting material , when the fourdrinier wire 7 lifts the second wet paper sheet 10 formed on the cylinder wire 6 by the peeling roller 11, the strip-shaped firs...
Embodiment 3
[0048] In this embodiment, during the copying step, the anti-counterfeiting fiber with a length of 3mm and a thickness of 1.2dtex is dispersed at a concentration of 0.03% by mass, and an appropriate amount of hemp pulp fiber, polyarylether (PAE), and a dispersant are added. After dispersion, a uniform dispersion is formed, and the fiber sheet dispersion is sent to the surface of the moving Fourdrinier 7 through the flow pipe 5 through the discharge port 8 at a flow rate of 300ml / min, and at the same time, it is on the other side of the Fourdrinier 7. The position adopts vacuum suction device 13 to carry out vacuum suction, so that the anti-counterfeit material dispersion mainly composed of water is dehydrated and attached to the surface of Fourdrinier 7 to form a band-shaped first wet paper page 9 containing anti-counterfeit material with a width of 10 mm. When the Fourdrinier 7 lifts the second wet paper sheet 10 formed on the cylinder wire 6 by the peeling roller 11, the band...
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