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This thesis mainly studied the preparation of water-based near-infrared absorption ink-jet ink and analyzed anti-false property. Near-infrared absorption ink-jet ink is composed of infrared dyes, solvents, resins, additives, and so on. The dye was an important component which decided the security effect of ink, and the dyes had a great impact on the properties of infrared absorption intensity and the physical properties. The water-based near-infrared ink-jet ink sample with good comprehensive performance has been prepared, and the properties of the ink were adjusted according to the ink-jet printer which was used in this experiment. FDD-500 (Fang yuan anti-counterfeiting technology Co. Ltd.) was used to test the effect of anti-false. Experiments’ results showed that solvent has a great effect on the solubility and surface tension of near-infrared-absorbing ink-jet ink, resin was a key factor determining the viscosity of the system, and the content of infrared dyes directly affected the infrared absorption intensity. The prepared water-based near-infrared absorption ink-jet ink sample has the good performance and anti-false effect.
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- Fabrication and Performance of Water-Based Near-Infrared Absorption Ink-Jet Ink
- Springer Singapore
- Chapter 114