A kind of anti-counterfeiting ink
An anti-counterfeiting ink and ink technology, applied in inks, household appliances, applications, etc., can solve the problems of reliability and practicability, insufficient tolerance and other problems, and achieve the effects of easy identification, good stability and easy detection.
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Embodiment 1
[0051] Table 1 Anti-counterfeiting ink component content
[0052]
[0053] The components of the ink were weighed according to the content of the components listed in Table 1. The polyurethane acrylic resin used was the EBECRYL220 series of CYTEC Company, and other components were also commercially available. The weighed materials are mixed and rolled on a three-roller inking machine, and the rolling is repeated three times to make marker gravure ink. The obtained ink was proofed, and the Raman spectrum detection of the sample was carried out by using an in via microscopic confocal Raman spectrometer produced by Renishaw Company in the United Kingdom. The light source used was an argon ion laser of 514.5 nm, and the laser output power was 20 mW. The Raman spectrum shown in Figure 1(a) can be obtained, at 750cm -1 ~970cm -1 There are obvious Raman characteristic peaks in the range, which are the characteristic peaks of the marker material SiC. However, this feature does n...
Embodiment 2
[0055] Table 2 Anti-counterfeiting ink component content
[0056]
[0057] Each component of the printing ink is weighed according to the composition content listed in Table 2, wherein the rosin modified phenolic resin used is the rosin modified phenolic resin NP-REZ series of Hexion company, and the polyacrylate used is the TEGOFoamex N series of EVONIK company, Other components are also commercially available. The weighed materials are mixed and rolled on a three-roller inking machine, and the rolling is repeated three times to make marker offset printing ink. Gained ink is proofed, adopt the instrument and condition used in embodiment 1 to carry out Raman spectrum detection to sample, can obtain the Raman spectrum figure as shown in Figure 1 (b), at 170cm -1 ~240cm -1 There are obvious Raman characteristic peaks in the range, which is the marker material Si 3 N 4 characteristic peaks. However, this feature does not exist in the ink spectrum without adding markers. ...
Embodiment 3
[0059] Table 3 Anti-counterfeiting ink component content
[0060]
[0061] The components of the ink were weighed according to the content of the components listed in Table 3. The epoxy acrylic resin used was EBECRYL860 series of CYTEC Company, and other components were also commercially available. The polyacrylate used is TEGORAD2200N series from EVONIK Company. The weighed material is mixed and rolled on a three-roll ink padding machine, and the rolling is repeated three times to make a marker UV screen ink. Gained printing ink is proofed, adopts the instrument and condition used in embodiment 1 to carry out Raman spectrum detection to sample, can obtain two kinds of Raman spectrograms shown in Fig. 1 (c), Fig. 1 (d), respectively at 140cm -1 ~255cm -1 with 320cm -1 ~610cm -1 There are obvious Raman characteristic peaks in the range, which are respectively the marker material Mg 2 Si and Tm 2 o 3 characteristic peaks. However, this feature does not exist in the in...
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