Progress of Surface Modification of Aluminum Pigments

Abstract:

Improving the printability of silver ink is of great importance to enhance the anti-counterfeit of bills. As the main ingredient of silver ink, the study of aluminum pigments has attracted a lot of attention. This paper mainly describes the recent research progress in surface modification and coloration of aluminum pigments.For the high corrosion resistance, good gloss reproducibility, strong dispersion of aluminum pigments that required in the application of water-based ink, this paper first describes different research progresses of enhancing its performance, including inorganic encapsulation, organic/inorganic hybrid modification, polymer coating, organic/inorganic/polymer multi-layer encapsulation and so on through a series of modification methods such as sol-gel method, in-situ polymerization, emulsion polymerization, etc.. In reflection to the color unity of aluminum pigments, the progress of aluminum pigments coloration was also introduced in detail, which involves physical adsorption, chemical oxidation, Fe₂O₃ deposition, organic/inorganic dye coating, etc..

• Periodical: Applied Mechanics and Materials (Volume 731)
• Pages: 528-534
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.731.528
• Online since: January 2015
• Authors: Li Ping Ma, Shi Sheng Zhou, Bin Du, Min Li
• Keywords: Aluminum Pigment, Coloration, Encapsulation

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