Researchers from St. Petersburg Opto-Mechanical University, Moscow Bauman State Technical University, University of Toronto, St. Petersburg University have created a suitable3D printingGel ink, the product can print multi-layer images with complex textures, can be used as product anti-counterfeiting labels, environmentally friendly and safe, even suitable for
food
industry. The research results were published in “Advanced Practical Materials”.
Chemistry of St. Petersburg Opto-Mechanical University
biology
Cluster engineer Yegor Ryapochenko said: “We have successfully developed a gel label with polymer that can stack several pictures at the same time. Each picture is an optically active structure. Pictures can only be identified in detail under the condition of light wave length, and each picture is given a different meaning, that is, the infringer may imitate part of the label, but in fact it is impossible to imitate another part, and the original real picture and the counterfeit picture The difference between will appear”. The new anti-counterfeiting gel label can be used on flat surfaces as well as uneven and rough surfaces. The gel label is impervious to water and oil, and the film can prevent leakage. It can be used for food packaging; the gel label is exquisite and elegant, and is used in For clothing brands, it can be washed off with organic solutions without damaging and contaminating the fabric.
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