Durable anti-fake rice paper and manufacturing technique thereof
A manufacturing process and durability technology, applied in the field of durable anti-counterfeiting rice paper and its manufacturing process, can solve the problems of poor durability of anti-counterfeiting characteristics, and achieve the effect of concealing, lasting identification and easy identification of anti-counterfeiting characteristics.
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Embodiment 1
[0032] The nano-infrared up-conversion material is added to the pulp fiber, and the weight part of the nano-infrared up-conversion material is 0.5-30, and the corresponding weight part of the pulp is 99.5-70, and the total weight of the two is 100.
[0033] The nano-infrared up-conversion material has good physical and chemical resistance. It can be dispersed in the pulp, or it can be added to the fixed position of the pulp. When making paper, the nano-infrared up-conversion material will be naturally fused in the fibers of the pulp, and the paper will be formed. Afterwards, the anti-counterfeiting material will be covered with tough fiber, which is inlaid in the paper and is not easy to detach. It looks like ordinary rice paper in appearance, but its anti-counterfeiting characteristics can be identified with special testing equipment. It has the characteristics of concealed, durable and easy to identify anti-counterfeiting characteristics.
[0034] The anti-counterfeiting mate...
Embodiment 2
[0036] The difference between this example and Example 1 is that the nano-infrared up-conversion material is added to the slurry and at the same time a reinforcing agent is added to improve the adhesion effect of the nano-infrared up-conversion material on the rice paper. The infrared nano-upconversion material used in this example The weight part of the conversion material is 0.5-30, the reinforcing agent used is fumed silicon dioxide, the weight part of the fumed silicon dioxide is 0.1-10, and the weight part of the pulp is the balance, totaling 100.
[0037] In this embodiment, the reinforcing agent can also be gum arabic, the weight portion of gum arabic is 0.1-10 parts, and the weight part of pulp is the balance, totaling 100 parts. The strengthening agent can also be gelatin, and the weight portion of gelatin is 0.1-10 parts, and the weight of pulp is the balance, totaling 100 parts.
[0038] During papermaking, the nano-infrared up-conversion material is combined with t...
Embodiment 3
[0041] In this embodiment, the nano-infrared up-conversion material is firstly mixed with molten synthetic fibers, and then spun into a fiber on special equipment. The diameter of the fiber is 0.1-50 μm, and the fiber containing the nano-infrared up-conversion material is added to the rice paper pulp In this process, rice paper with nano-infrared up-conversion materials was made.
[0042] The fiber selected in this embodiment is spandex fiber, the weight part of spandex fiber is 1-50 parts, the weight part of nano-infrared up-conversion material is 1-50 parts, and the total weight part of spandex fiber and nano-infrared up-conversion material is 100 parts ; The weight part of the fiber silk containing the nano-infrared up-conversion material is 1-40 parts, and the total weight part of the fiber silk of the pulp and the nano-infrared up-conversion material is 100 parts.
[0043] This embodiment also can select polyester fiber, and the weight part of polyester fiber is 1-50 part...
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