Preparation method for laser hot stamping foil of metal coin and prepared product

Abstract

The invention relates to the technology of laser holography anti-counterfeiting hot stamping, in particular to a preparation method for laser hot stamping foil of a metal coin and prepared laser hot stamping foil by using the method, and provides a preparation method for laser hot stamping foil of a metal coin and prepared laser hot stamping foil by using the method, which can adapt to gold stamping on the surface of the metal coin, enrich patterns on the surface of the metal coin, has an anti-counterfeiting function and is suitable for printing after stamping. The preparation method comprises the steps that a metallic nickel plate is manufactured, and a release layer, an imaging layer, a mold pressing layer, an aluminum coated layer and an adhesive layer are coated on a basement membrane strip, so that the metal coin has a brand-new effect, the operation process is simple and rapid, reproducibility of texts is good, large-scale production and durability are realized, the cost is reduced, the adhesion of the laser hot stamping foil is high, after being fastened on the surface of a metal product, the hot stamping foil does not easily fall off and has a smooth surface, through changing the formula of the adhesive layer and coating the adhesive layer for multiple times, a multi-layer bonding layer is formed, so that texts are firmly adhered on the surface of the metal, and wear resistance and weather fastness are realized.

Description

technical field [0001] The invention relates to laser holographic anti-counterfeiting hot stamping technology, in particular to a preparation method of laser anodized aluminum hot stamping foil for metal coins and the laser anodized aluminum hot stamping foil made by the method. Background technique [0002] Hot stamping is a process of stamping anodized aluminum, commonly known as hot stamping foil, onto the surface of the substrate under a certain temperature and pressure. In recent years, with the improvement of people's living standards and the development of the country's economy, people pay more and more attention to the appearance and exquisite packaging of various products. The pattern printed by hot stamping foil shows a strong metallic luster and bright colors. It will never fade, and its brightness is much higher than that of ink printing, so that the product has a high-end feeling and gives people a beautiful enjoyment, which improves the artistry of the product,...

AI Technical Summary

Problems solved by technology

In recent years, with the improvement of people's living standards and the development of the country's economy, people pay more and more attention to the appearance and exquisite packaging of various products. The pattern printed by hot stamping foil shows a strong metallic luster and bright colors. It will never fade, and its brightness is much higher than that of ink printing, so that the product has a high-end feeling and gives people a beautiful enjoyment, which improves the artistry of the product, so bronzing is widely used in all walks of life, and bronzing technology has also been rapidly improved. As the crystallization of high-tech, anti-counterfeiting marks are widely used in various industries and fields. Laser anti-counterfeiting anodized aluminum is mostly used in the processing form of hot stamping on paper and cloth in the anti-counterfeiting industry. Not only the substrate is soft, but also the thickness is small, which is convenient for hot stamping operations. However, the application of laser holographic technology in the manufacture of metal coins is still in its infancy when hot stamping laser holographic marks on metal coins. Metal coins are very different from ordinary substrates in the industry due to their high hardness and thickness. Therefore, laser holographic positioning hot stamping technology, which is widely used in packaging such as cigarette packs and medicines, has not yet been maturely applied to the field of gold and silver coin manufacturing technology. The problem needs to be solved urgently. According to the characteristics of metal coins, it is necessary to customize the hot stamping foil to realize the hot stamping of metal coins. There are many major defects in the existing production methods of hot stamping foil and the application of hot stamping foil products on metal coins. A little improper use will result in poor peeling effect, can not be peeled off very cleanly, and poor adhesion of the aluminum plating layer, cracks, poor ink adhesion and other problems, how to design a bronzing foil suitable for hot stamping on metal coins, how to Use transfer printing to make graphic information into laser holographic hot stamping foil, and then use laser holographic positioning hot stamping technology to hot stamp on metal coins, and the operation requirements are simple, environmentally friendly and stable implementation is an urgent need for engineers and technicians in this industry to solve The problem

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