Wide application and characteristics of UV ink in printing industry - Company news - Zhangjiagang Free Trade Zone Covord Chemical Technology Co., Ltd.

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Wide application and characteristics of UV ink in printing industry

2022-07-26 13:35:00

UV ink refers to the use of UV light of different wavelengths and energy to polymerize the monomers in the ink binder into polymers under the irradiation of ultraviolet rays, so that the ink is formed into a film and dried. UV ink also belongs to ink. As ink, it has good printability and suitable curing and drying rate. At the same time, it has good adhesion, and has the characteristics of wear resistance, corrosion resistance and weather resistance.

UV ink is mainly divided into: UV feel paint ink, metal UV screen printing ink, LED curing UV ink. The application field classification mainly includes UV printing ink, UV metal ink, UV glass ink, UV plastic ink, UV circuit board ink, UV photosensitive ink.

UV ink is an environmentally friendly ink that has developed rapidly in recent years. With the enhancement of people's awareness of environmental protection, UV ink has achieved incredible results in the printing industry due to its fast drying speed, wide range of applicable materials, no solvent emissions, and high efficiency and energy saving. Due to the lack of status, the consumption of UV ink in the printing industry is relatively large, and it is applied to almost all printing processes, which promotes the development of UV ink.

Why is UV ink an "environmentally friendly ink"? When the ink is printed, the ink adheres to the surface of the substrate, and the energy of the photoinitiator is excited by the ultraviolet irradiation, and instantly polymerizes with oligomers and monomers to cure the conjunctiva. UV curable ink does not contain volatile organic compounds (VOC3), so it does not cause pollution to the atmosphere and harm to the human body. It dries only when exposed to UV light, and the performance remains stable even after long-term storage in the ink fountain.

Like ordinary ink, the color of the ink is mainly determined by the pigment, and the heavy metal in the ink is mainly determined by the type of the pigment. Therefore, the UV ink uses pigments and additives that do not contain heavy metals and polybrominated biphenyls to meet the relevant limit requirements of the ROSH standard.

Energy saving and high efficiency, improve the working environment. UV ink has a fast drying speed and can be dried immediately after printing. It can not only shorten the production cycle, improve production efficiency, save energy and high efficiency, but also cancel the powder spraying device of the offset printing machine, which greatly improves the working environment.

Satisfy the color printing of packaging products. Because UV ink dries quickly, it will not penetrate into the substrate, and will not affect the inherent quality of the substrate, especially suitable for color printing of packaging products.

UV ink can not only be used for printing on various types of paper, but also on non-absorbent substrates such as aluminum foil and plastic. UV coating products replace traditional lamination, and the printed products can be recycled. For journals, student textbooks, teaching aids, and surface finish of paper products, it can replace film

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